CN215769874U

CN215769874U - Face recognition access control system based on raspberry group

Info

Publication number: CN215769874U
Application number: CN202121202579.1U
Authority: CN
Inventors: 李应聪
Original assignee: Zhenyou Dongguan Electronic Technology Co ltd
Current assignee: Zhenyou Dongguan Electronic Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-08
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a raspberry pie-based face recognition access control system, which comprises a network module, an image acquisition module, an image processing module, a control module, a registration module, an access control management module and an alarm module, wherein the network module is electrically connected with the image acquisition module and the control module; the image acquisition module is mainly connected with the control module through the network module in a network mode, the control module is set as a tree mildew pie mainboard, the image processing speed is improved by utilizing the characteristics of the tree mildew pie mainboard, and the phenomenon that a system is jammed or crashed is reduced to a certain extent.

Description

Face recognition access control system based on raspberry group

Technical Field

The utility model relates to the technical field of face recognition access control systems, in particular to a face recognition access control system based on a raspberry group.

Background

With the development of intellectualization, the face recognition access control becomes one of the automatic management devices for the access control of internal and external personnel, the internal personnel can directly face the entrance and exit of a pedestrian passageway, external visitors can access the pedestrian passageway by brushing the face only by simple registration information, the intelligent face recognition greatly saves the time for the personnel to come in and go out, the personnel to come in and go out can be effectively and orderly managed, for VIP visitors, the manager can input images in a face database in advance, the visitors do not need to register during access, and the experience of the visitors is directly brushed to enhance the images of company access; however, the conventional face recognition access control system is easy to jam during image processing, which results in a slow image processing speed or a crash phenomenon, and a visitor cannot register or edit the user information of the visitor by himself/herself through a mobile terminal, so that inconvenience is brought to the visitor, and therefore a face recognition access control system based on raspberry group is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a raspberry-group-based face recognition access control system, which realizes network connection between an image acquisition module and a control module through a network module, improves the image processing speed by setting the control module as a raspberry-group mainboard, facilitates network connection between a mobile terminal and the control module through the electrical connection between a registration module and the control module, and solves the problems that the system is easy to jam and cannot automatically register and edit through the mobile terminal during image processing proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a face identification access control system based on raspberry group, includes network module, image acquisition module, image processing module, control module, registration module, entrance guard management module and alarm module, network module and image acquisition module and control module electric connection, image acquisition module and image processing module electric connection, image processing module and entrance guard management module all with control module electric connection, control module and registration module electric connection, registration module and image processing module electric connection, entrance guard management module and alarm module electric connection, control module sets up to mouldy group mainboard and signal receiver.

Preferably, the intelligent door lock further comprises a power supply module, the power supply module is electrically connected with the network module, the image acquisition module, the image processing module, the control module, the registration module, the door control management module and the alarm module respectively, and the power supply module is set to be a lithium ion battery.

Preferably, the network module includes a bluetooth signal component and a network signal component, the bluetooth signal component is set as a bluetooth chip, the network signal component includes a network signal receiver, a signal converter and a signal transmitter, the network signal receiver is electrically connected with the signal converter, the signal converter is electrically connected with the signal transmitter, and the signal transmitter is electrically connected with the signal receiver.

Preferably, the image acquisition module sets up to the camera, the image processing module includes data processing subassembly, image processing subassembly, storage component and protection subassembly, data processing subassembly and image processing subassembly electric connection, image processing subassembly and storage component electric connection, protection subassembly and storage component electric connection, the data processing subassembly sets up the CPU that exists for the discrete chip form, the image processing subassembly sets up the GPU that exists for the discrete chip form, the storage component sets up to 8G memory bank, the protection subassembly sets up to the opto-coupler, CPU, GPU and memory bank are all installed on the saprolegnia dispatch mainboard.

Preferably, the registration module includes a registration unit and an editing unit, the registration unit is electrically connected to the data processing component, the editing unit is electrically connected to the storage component, the registration module is configured as a mobile terminal, and the mobile terminal includes a mobile phone or a computer.

Preferably, the entrance guard management module comprises a control switch and an electronic lock, and the control switch is electrically connected with the electronic lock and the alarm module respectively.

Preferably, the alarm module comprises a screen locking component and an alarm component, the screen locking component and the alarm component are both electrically connected with the control switch, and the alarm component is set to be an audible and visual alarm.

Compared with the prior art, the utility model has the beneficial effects that:

1. the image acquisition module is mainly connected with the control module through the network module in a network mode, the control module is set as a tree mildew pie mainboard, the image processing speed is improved by utilizing the characteristics of the tree mildew pie mainboard, and the phenomenon that a system is jammed or crashed is reduced to a certain extent.

2. The mobile terminal controls the image acquisition module, the registration module, the access control management module and the alarm module through the tree mildew group main board, and the network module is used for realizing communication among the modules, so that the mobile terminal is conveniently connected with the modules through a network, and the mobile terminal is used for controlling the registration module to perform registration or editing operation.

Drawings

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a block diagram of an image processing module of the present invention;

FIG. 3 is a circuit diagram of a raspberry pi board according to the present invention;

fig. 4 is a circuit diagram of the acousto-optic alarm of the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a face recognition access control system based on a raspberry group comprises a network module, an image acquisition module, an image processing module, a control module, a registration module, an access control management module and an alarm module, wherein the network module is electrically connected with the image acquisition module and the control module;

the system comprises a network module, an image acquisition module, an image processing module, a control module, a registration module, an access control management module and an alarm module, and is characterized by also comprising a power supply module, wherein the power supply module is respectively electrically connected with the network module, the image acquisition module, the image processing module, the control module, the registration module, the access control management module and the alarm module;

the network module comprises a Bluetooth signal component and a network signal component, the Bluetooth signal component is set as a Bluetooth chip, the network signal component comprises a network signal receiver, a signal converter and a signal transmitter, the network signal receiver is electrically connected with the signal converter, the signal converter is electrically connected with the signal transmitter, and the signal transmitter is electrically connected with the signal receiver;

the image acquisition module is set as a camera, the image processing module comprises a data processing component, an image processing component, a storage component and a protection component, the data processing component is electrically connected with the image processing component, the image processing component is electrically connected with the storage component, the protection component is electrically connected with the storage component, the data processing component is set as a CPU in a discrete chip form, the image processing component is set as a GPU in a discrete chip form, the storage component is set as an 8G memory bank, the protection component is set as an optical coupler, the CPU, the GPU and the memory bank are all arranged on a tree mold group mainboard, the CPU is used for carrying out data processing on the acquired image information, the GPU is used for carrying out data processing on the image information, the processed image information is compared with the data information stored in the memory bank, the optical coupler is used as a PC817A-C and is a four-pin linear optical coupler, the linear optical coupler is an optical coupler device for analog signal isolation, can protect a tested object and a test circuit, and reduces the influence of environmental interference on the test circuit, thereby protecting and increasing the stability of circuit signal transmission;

the registration module comprises a registration unit and an editing unit, the registration unit is electrically connected with the data processing component, the editing unit is electrically connected with the storage component, the registration module is set as a mobile terminal, the mobile terminal comprises a mobile phone or a computer, the mobile terminal is conveniently in network connection with the raspberry group mainboard through a signal receiver on the raspberry group mainboard, and the registration module is controlled by the mobile terminal to perform registration or editing operation;

the door control management module comprises a control switch and an electronic lock, the control switch is respectively electrically connected with the electronic lock and the alarm module, the electronic lock is opened through the control switch to open a door or the alarm assembly and the screen locking assembly to give an alarm, and meanwhile, the screen locking assembly performs screen locking operation on an operation interface of the electronic lock, so that the anti-theft performance of the door control is improved;

the alarm module comprises a screen locking component and an alarm component, the screen locking component and the alarm component are both electrically connected with the control switch, the alarm component is set as an audible and visual alarm, and the screen locking component controls a display screen of the door access machine to be in a screen locking state through a raspberry group main board, so that the anti-theft performance of the door access machine is improved;

during the use, send the mainboard to carry out network connection with camera and raspberry through bluetooth chip or network signal receiver, send the mainboard control camera to visitor's head through the raspberry and carry out image acquisition, image information transmission after the collection carries out data processing and image processing respectively to CPU and GPU, compares the image information after will handling with the data information of storage in the DRAM again, can have following two kinds of situations:

1) when the processed image information is consistent with the image information stored in the memory bank, the tree mildew dispatching main board controls the electronic lock to open the door through the control switch;

2) when the processed image information is not consistent with the image information stored in the memory bank, the raspberry group mainboard controls the registration module to be opened, visitors register related information through a mobile phone or a computer, the information is stored through the memory bank, the collected head portrait information is compared through the raspberry group mainboard control again, when the comparison result is still not consistent with the image information stored in the memory bank, the raspberry group mainboard controls the audible and visual alarm to be opened through the control switch to give an alarm, meanwhile, the screen locking component performs screen locking operation on an operation interface of the electronic lock, and the anti-theft performance of the entrance guard is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a face identification access control system based on raspberry group, includes network module, image acquisition module, image processing module, control module, registration module, access control management module and alarm module, its characterized in that: the system comprises a network module, an image acquisition module, an image processing module, an entrance guard management module, a registration module, an alarm module and a control module, wherein the network module is electrically connected with the image acquisition module and the control module, the image acquisition module is electrically connected with the image processing module, the image processing module and the entrance guard management module are both electrically connected with the control module, the control module is electrically connected with the registration module, the registration module is electrically connected with the image processing module, the entrance guard management module is electrically connected with the alarm module, and the control module is set as a saprolegnia dispatcher main board and a signal receiver.

2. The raspberry pi based face recognition access control system of claim 1, wherein: the system comprises a network module, an image acquisition module, an image processing module, a control module, a registration module, an entrance guard management module and an alarm module, and is characterized by further comprising a power supply module, wherein the power supply module is electrically connected with the network module, the image acquisition module, the image processing module, the control module, the registration module, the entrance guard management module and the alarm module respectively, and the power supply module is set to be a lithium ion battery.

3. The raspberry pi based face recognition access control system of claim 2, wherein: the network module comprises a Bluetooth signal assembly and a network signal assembly, the Bluetooth signal assembly is arranged as a Bluetooth chip, the network signal assembly comprises a network signal receiver, a signal converter and a signal transmitter, the network signal receiver is electrically connected with the signal converter, the signal converter is electrically connected with the signal transmitter, and the signal transmitter is electrically connected with the signal receiver.

4. The raspberry pi based face recognition access control system of claim 3, wherein: the image acquisition module sets up to the camera, the image processing module includes data processing subassembly, image processing subassembly, storage component and protection subassembly, data processing subassembly and image processing subassembly electric connection, image processing subassembly and storage component electric connection, protection subassembly and storage component electric connection, the data processing subassembly sets up the CPU that exists for the discrete chip form, the image processing subassembly sets up the GPU that exists for the discrete chip form, storage component sets up to 8G memory bank, the protection subassembly sets up to the opto-coupler, CPU, GPU and memory bank are all installed on the saprolegnia style mainboard.

5. The raspberry pi based face recognition access control system of claim 4, wherein: the registration module comprises a registration unit and an editing unit, the registration unit is electrically connected with the data processing assembly, the editing unit is electrically connected with the storage assembly, the registration module is set as a mobile terminal, and the mobile terminal comprises a mobile phone or a computer.

6. The raspberry pi based face recognition access control system of claim 5, wherein: the entrance guard management module comprises a control switch and an electronic lock, and the control switch is electrically connected with the electronic lock and the alarm module respectively.

7. The raspberry pi based face recognition access control system of claim 6, wherein: alarm module includes lock screen subassembly and alarm component, lock screen subassembly and alarm component all with control switch electric connection, alarm component sets up to audible-visual annunciator.