CN208538214U - A kind of access control system - Google Patents
A kind of access control system Download PDFInfo
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- CN208538214U CN208538214U CN201821172270.0U CN201821172270U CN208538214U CN 208538214 U CN208538214 U CN 208538214U CN 201821172270 U CN201821172270 U CN 201821172270U CN 208538214 U CN208538214 U CN 208538214U
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- network relay
- module
- access controller
- face recognition
- control system
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Abstract
The utility model discloses a kind of access control system.The system comprises: image capture module, face recognition module, network relay and access controller, it is connected between image capture module, face recognition module and network relay by WLAN, is electrically connected and is installed in door body between network relay and access controller；Image capture module is for obtaining video image；Face recognition module is used to carry out human face detection and tracing to video image, if identified successfully, sends door open command to network relay；Network relay is for receiving door open command and outputs level signals to access controller；Access controller opens gate control signal to electromagnetic lock for exporting.Since network relay is mounted in door body, and it is capable of the door open command of wireless receiving face recognition module transmission, solves the problems, such as that the prior art is more complicated because needing to transmit operational procedure existing for the door open command sent to access controller by physical connection.
Description
Technical field
The utility model belongs to access control technical field, and in particular to a kind of access control system based on recognition of face
System.
Background technique
With the continuous improvement of living standards, people to the security performance of access control system and intelligentized requirement increasingly
It is high.With the rapid development of biological identification technology, biological identification technology is applied in access control system and is just produced based on biology
The access control system of feature, such as face recognition door control system.Currently, many metropolitan residential areas and office block are assembled with
Access control system based on recognition of face.
Existing recognition of face access control system mainly includes following three kinds of implementations: first is that terminal is responsible for image
Acquisition, the extraction and comparison of face information send door open command to access controller by physical connection；Second is that terminal is responsible for figure
As acquisition, and acquired image is sent to backstage and carries out the extraction of face information, comparison, sent out by backstage by physical connection
Send door open command to access controller；Third is that the local acquisition for carrying out image, and acquired image is sent to backstage and is carried out
The extraction of face information compares, and comparison result is returned to terminal from the background, and terminal passes through physical connection again and sends out to access controller
Send door open command.
Above-mentioned three kinds of implementations the problem is that: be required on the door or gate carry out the physical alteration of certain engineering,
For example, needing to punch on door or gate, connect the signal wire for transmitting door open command with access controller again after passing through in hole
It connects.Operational procedure is more complicated.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of gate inhibitions based on recognition of face
Control system.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of access control system, the system comprises: image capture module, face recognition module, network relay and
Access controller, between image capture module, face recognition module and network relay by WLAN connect, network after
It is electrically connected and is installed in door body between electric appliance and access controller；Image capture module is for obtaining video image；Face
Identification module is used to carry out human face detection and tracing to video image, if identified successfully, sends enabling to network relay and refers to
It enables；Network relay is for receiving door open command and outputs level signals to access controller；Access controller is opened for exporting
Gate control signal is to electromagnetic lock.
Further, described image acquisition module is the PAD (Portable equipped with camera and wireless communication unit
Application Device, portable application device).
Further, the face recognition module is gate inhibition's server.
Further, the network relay includes: microprocessor, the ethernet controller that is electrically connected with microprocessor,
Wireless communication module and relay drive circuit, relay.
Further, the network relay is the 2 road network relays of model HHC-NET2D.
Compared with prior art, the utility model has the following beneficial effects:
Access control system described in the utility model, by the way that image capture module, face recognition module, network relay is arranged
Device and access controller are connected between image capture module, face recognition module and network relay by WLAN, net
It is electrically connected and is installed in door body between network relay and access controller, face recognition module obtains image capture module
Video image carry out human face detection and tracing, to network relay transmission door open command after identify successfully, network relay connect
For outputs level signals to access controller, access controller output opens gate control signal to electromagnetic lock, reality after receiving door open command
The access control based on recognition of face is showed.Since network relay is mounted in door body, and being capable of wireless receiving recognition of face
The door open command that module is sent solves the prior art because needing to transmit the enabling sent to access controller by physical connection
The problem for instructing operational procedure existing for (physical alteration for needing to carry out certain engineering on the door) more complicated.
Detailed description of the invention
Fig. 1 is a kind of composition block diagram of access control system of the utility model embodiment.
In figure: 1- image capture module, 2- face recognition module, 3- network relay, 4- access controller, 5- electromagnetism
Lock, 6- door body.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
A kind of composition block diagram of access control system of the utility model embodiment is as shown in Figure 1, comprising: image capture module
1, face recognition module 2, network relay 3 and access controller 4, image capture module 1, face recognition module 2 and network after
It is connected between electric appliance 3 by WLAN, is electrically connected between network relay 3 and access controller 4 and is installed in door body 6
It is interior；Image capture module 1 is for obtaining video image；Face recognition module 2 is used to carry out Face datection to the video image
Door open command is sent to network relay 3 if identified successfully with identification；Network relay 3 is for receiving door open command and defeated
Level signal to access controller 4, access controller 4 is used to control the open and close of electromagnetic lock 5 out.
In the present embodiment, the access control system mainly by image capture module 1, face recognition module 2, network after
Electric appliance 3 and access controller 4 form.Connection relationship between each module is: image capture module 1, face recognition module 2 and net
It is connected between network relay 3 by WLAN；The output end of network relay 3 and the input terminal of access controller 4 are electrically connected
It connects.Image capture module 1 is generally located near doorway；Face recognition module 2 is generally located on monitoring room, can also be with image
Acquisition module 1 is set together (see background technology part)；3 small volume of network relay, can be with access controller 4 together
Setting (many office spaces use gate) in door body 6 or in gate.Image capture module 1 for acquiring video figure in real time
Picture, and face recognition module 2 is sent to by WLAN；Face recognition module 2 is used to carry out face inspection to video image
It surveys and identifies, it is general by extracting effective human face image information, and be compared one by one with the feature templates in database, such as
Fruit has a matching, it is believed that identifies successfully, sends door open command to network relay 3；If all mismatched, recognition failures.People
Face identification module 2 establishes the socket connection between network relay 3 by building socket object, using built
Socket is connected to network relay 3 and is sent door open command.Network relay 3, which is used to receive to open the door by LAWN local area wireless network, to be referred to
It enables, and by the contact of closed network relay 3, the level signal (high level or low level) of output characterization door open command to door
Prohibit controller 4；Access controller 4 is used to open gate control signal to electromagnetic lock 5 according to level signal output, opens electromagnetic lock
5.For the place of application gate, access controller 4 opens gate by control gate executing agency (such as driving motor).
The network relay 3 that the present embodiment is mounted in door body 6 or gate by setting, wireless receiving face recognition module
2 door open commands sent, and the door open command is transmitted to access controller 4, it does not need in face recognition module 2 and gate inhibition
Physical connection is arranged in controller 4, solves the prior art and opens because needing to transmit by physical connection to what access controller 4 was sent
The more complicated problem of operational procedure existing for door instruction (physical alteration for needing to carry out certain engineering on the door).
As a kind of alternative embodiment, described image acquisition module 1 is the PAD equipped with camera and wireless communication unit.
This gives a kind of technical solutions of image capture module 1.In the present embodiment, image capture module 1
Using portable device PAD.It further includes certainly central processing unit that camera and wireless communication unit are equipped with inside PAD.It takes the photograph
As head is for shooting video image；Wireless communication unit is for connecting WLAN.PAD has small in size, easy to disassemble etc.
Advantage.
As a kind of alternative embodiment, the face recognition module 2 is gate inhibition's server.
In the present embodiment, face recognition module 2 is using the gate inhibition's server for connecting WLAN.In gate inhibition's server
If high-speed CPU and the mass storage for saving facial feature database, the detection and identification of face can be quickly carried out.
As a kind of alternative embodiment, the network relay 3 includes: microprocessor, be electrically connected with microprocessor with
Too net controller, wireless communication module and relay drive circuit, relay.
This gives a kind of technical solutions of network relay 3.Traditional relay cannot achieve wireless control,
It is difficult to meet the requirement of intelligentized control method.Network relay 3 is the switch by net control device, the network of the present embodiment after
Electric appliance 3 is mainly by microprocessor, ethernet controller, wireless communication module, relay drive circuit and relay.Wireless communication
Module uses WIFI module, for receiving the door open command from face recognition module 2.Relay drive circuit is used for micro- place
Manage device output control signal carry out Current amplifier, provide enough driving currents for the control coil of relay, with guarantee after
The contact of electric appliance is reliably attracted.One group of contact of relay is connected with the input terminal of access controller 4, and output is anti-when contact closure
Reflect the high level or low level signal of door open command.
As a kind of alternative embodiment, the network relay 3 is the 2 road network relays 3 of model HHC-NET2D.
This gives a kind of specific network relay 3, model HHC-NET2D.HHC-NET2D is using high
The single-chip microcontroller (STM32F103C8) of 32 of performance Cortex-M3 kernel supports MODBUS Transmission Control Protocol, includes 2 relays
Device, direct current supply voltage are 5V.Controlled relay is selected by the address information in instruction, can control the disconnected of relay contact
Open and close is closed, is disconnected after closure a period of time, and maximum delay time is 99 seconds.
It is above-mentioned that only several specific embodiments in the utility model are illustrated, but can not be as the utility model
Protection scope, the equivalent change or modification or equal proportion amplification or contracting that all design spirits according in the utility model are made
It is small etc., it is deemed to fall the protection scope of the utility model.
Claims (5)
1. a kind of access control system characterized by comprising image capture module, face recognition module, network relay and
Access controller, between image capture module, face recognition module and network relay by WLAN connect, network after
It is electrically connected and is installed in door body between electric appliance and access controller；Image capture module is for obtaining video image；Face
Identification module is used to carry out human face detection and tracing to video image, if identified successfully, sends enabling to network relay and refers to
It enables；Network relay is for receiving door open command and outputs level signals to access controller；Access controller is opened for exporting
Gate control signal is to electromagnetic lock.
2. access control system according to claim 1, which is characterized in that described image acquisition module is equipped with camera
With the PAD of wireless communication unit.
3. access control system according to claim 1, which is characterized in that the face recognition module is gate inhibition's service
Device.
4. access control system according to claim 1, which is characterized in that the network relay includes: microprocessor,
Ethernet controller, wireless communication module and the relay drive circuit being electrically connected with microprocessor, relay.
5. access control system described in any one according to claim 1~4, which is characterized in that the network relay is
The 2 road network relays of model HHC-NET2D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172270.0U CN208538214U (en) | 2018-07-24 | 2018-07-24 | A kind of access control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172270.0U CN208538214U (en) | 2018-07-24 | 2018-07-24 | A kind of access control system |
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| Publication Number | Publication Date |
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| CN208538214U true CN208538214U (en) | 2019-02-22 |
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ID=65386191
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821172270.0U Active CN208538214U (en) | 2018-07-24 | 2018-07-24 | A kind of access control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765674A (en) * | 2018-07-24 | 2018-11-06 | 卓望信息技术（北京）有限公司 | A kind of access control system and method |
| CN114584177A (en) * | 2021-12-31 | 2022-06-03 | 深圳达实物联网技术有限公司 | Access control system based on direct current carrier communication |
-
2018
- 2018-07-24 CN CN201821172270.0U patent/CN208538214U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765674A (en) * | 2018-07-24 | 2018-11-06 | 卓望信息技术（北京）有限公司 | A kind of access control system and method |
| CN114584177A (en) * | 2021-12-31 | 2022-06-03 | 深圳达实物联网技术有限公司 | Access control system based on direct current carrier communication |
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