CN115497207A

CN115497207A - Access control system

Info

Publication number: CN115497207A
Application number: CN202211118215.4A
Authority: CN
Inventors: 朱谦益; 朱琳; 王腾
Original assignee: Suzhou Jincheng Intelligent Technology Co ltd
Current assignee: Suzhou Jincheng Intelligent Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-20

Abstract

The invention discloses an access control system, which comprises an access controller, a face recognition unit, a fingerprint recognition unit, a card reader, an electric control lock, access management software, a door opening button, an emergency alarm switch, a power supply control box and a system server, wherein the system server is connected with the access controller; the entrance guard controller is respectively connected with the face recognition unit, the fingerprint recognition unit, the electric control lock, the card reader, the door opening button and the emergency alarm switch. The access control management software supports the function of mobile phone short messages, and edits the short messages of system events, and the short messages can be sent in designated or group mode, so that the property can conveniently push notification to users in the community; the access controller is connected with the host computer to set the access authority, time range and holiday limit of each card, realize classification of designated areas and time-sharing management of access authority, limit external personnel from randomly entering a company, and determine the access level and the allowed access time period of the personnel according to the positions or working properties of the personnel.

Description

Access control system

Technical Field

The invention relates to the technical field of entrance guard control, in particular to an entrance guard control system.

Background

The existing places such as communities, office buildings or entertainment places are generally provided with access control systems to prevent illegal persons from entering easily, so that the harm to the personal and property safety of people is avoided, the access control systems can manage people to enter and exit the communities, but the access control systems have single functions and only can control the entrance and exit of the people, and when the property needs to inform some events or other contents of users in the communities, the property needs to be informed one household by one household very troublesome.

Disclosure of Invention

The present invention is directed to an access control system to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: an access control system comprises an access controller, a face recognition unit, a fingerprint recognition unit, a card reader, an electric control lock, access management software, a door opening button, an emergency alarm switch, a power control box and a system server, wherein the system server is connected with the access controller;

the system server is connected with entrance guard management software;

the access control management software supports the function of mobile phone short messages, and edits the short messages of system events, and the short messages can be sent in designated mode or in group mode.

As a preferred improvement of the access control system provided by the present application, the card reader needs to hold a card before the card reader reads the card when a person enters/exits the door, the card reader reads information and then transmits the information to the host, the access control controller first determines whether the information is legal, and if the information is legal, the access control controller sends a door opening instruction, that is, sends a connection signal to the electric control lock to open the door, and if the information is legal, the access control unit does not send the door opening instruction and can send an alarm, and meanwhile, the access control unit stores data of the card reading information, the date and the time.

As a preferred improvement mode of the access control system provided by the application, the system server can establish employee databases by departments, periodically collect the data of each door, and simultaneously collect, query, classify and print according to the departments.

As a preferable improvement of an access control system provided by the present application, the system server may set access authority, time range, holiday limit for each card.

As a preferable improvement of an access control system provided by the present application, the card reader is adapted to a contactless IC sensor card.

As a preferred improvement mode of the access control system provided by the application, the face recognition unit performs face recognition, the linked gate machine opens the gate, after the stranger is recognized, the access controller records stranger information, a blacklist user is defined in the access controller, and the door is alarmed without opening or opening the gate.

As a preferred improvement mode of the access control system provided by the application, the face recognition unit comprises a face image acquisition and detection module, a face image preprocessing module, a face image feature extraction module and a face image matching and recognition module, and the face image acquisition and detection module is used for comparing the depth distances of different feature points of a face and judging whether the face is a target user or not; the face image feature extraction module is used for detecting a face image and positioning key feature points of the face, and after preprocessing, the key feature points are fed into a recognition algorithm at the rear end, and the recognition algorithm finishes extraction of the face feature points.

As a preferred improvement of an access control system provided by the present application, the facial image preprocessing module is configured to detect a portrait in one frame of an image or a video stream, separate the portrait from a background, and automatically store the portrait; the face image matching and identifying module is used for face identification and comprises two comparison modes, namely a face identification verification mode and a search mode, wherein the verification mode is to compare the captured person image or the designated person image with a certain registered person in the database to verify and determine whether the person image is the same person, and the search mode comparison mode is to search and search all the registered person images in the database to find whether the designated person image exists.

Compared with the prior art, the invention has the beneficial effects that:

according to the access control system, through setting access control management software which supports a mobile phone short message function, short messages are edited on system events, and the short messages can be sent in designated or group mode, so that properties can conveniently push notifications to users in communities; the access control device is connected with the host computer, the access authority, the time range and the restriction of holidays of each card can be set, the specified area is classified, the passage authority management in time intervals is realized, the external personnel is limited to randomly enter a company, the passage level and the passage allowing time interval are determined according to the positions or the working properties of the staff, the internal theft and the external theft are effectively prevented, and the system can give an alarm to the illegal entering behavior.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a system diagram of an access control system according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1, the present invention provides an access control system, including an access controller, a face recognition unit, a fingerprint recognition unit, a card reader, an electric control lock, access management software, a door opening button, an emergency alarm switch, a power control box, and a system server, where the system server is connected to the access controller;

the entrance guard controller is respectively connected with the face recognition unit, the fingerprint recognition unit, the electric control lock, the card reader, the door opening button and the emergency alarm switch, and the system server is connected with entrance guard management software;

Through setting up the card reader, convenience of customers swipes the card and opens the door as face entrance guard's reserve mode of opening the door, if system face comparison is unsuccessful, the user can open the door by swiping the card through IC-card entrance guard card reader.

A large-capacity memory is arranged in the access controller; can the networking work, real time monitoring access control ware operating condition also can work off-line, and the clear record is opened the door condition of opening of checking card at every turn, passes the host computer during the networking. The controller finishes the operations of collecting and processing the data read by the card reader, issuing door opening and closing commands and the like; and the system is communicated with management software to upload information to a database of a computer, and each controller is provided with a reliable singlechip to ensure that the controllers can work independently even if the management center fails.

In one embodiment of the invention, the card reader needs to hold a card before the card reader reads the card when people enter/exit the door, the card reader reads information and then transmits the information to the host, the access control controller firstly judges whether the information is legal or not, if the information is legal, the access control controller sends a door opening instruction, namely, a connection signal is sent to the electric control lock to open the door, if the information is legal, the access control controller does not send the door opening instruction and can send an alarm, and meanwhile, the access control unit stores the data of the card reading information, the date and the time.

By setting access control management software which supports a mobile phone short message function, short messages are edited on system events, and can be sent in designated or group mode, so that the property can conveniently push notifications to users in communities; the access control device is connected with the host computer, so that the access authority, the time range and the restriction on holidays of each card can be set, the classification of specified areas and the management of passage authority in time intervals are realized, external personnel are limited to randomly enter a company, the passage level and the passage allowing time interval are determined according to the positions or working properties of the personnel, internal and external thieves are effectively prevented, and an illegal entry behavior system can be alarmed.

In one embodiment of the invention, the system server can establish employee databases by departments, periodically collect the data of each door, and simultaneously collect, inquire, classify and print according to the departments.

In one embodiment of the invention, the system server may set the access rights, time range, holiday limits for each card. Such as: the advanced manager can get in and out any door at any time, the department manager can get in and out all doors of the department, and general staff can only get in and out the door of the department during working hours, and can not get in and out when exceeding the working hours.

In one embodiment of the invention, the card reader is adapted to a contactless IC inductive card. Each card is guaranteed to have uniqueness, cannot be copied and is extremely high in confidentiality.

In one embodiment of the invention, the face recognition unit performs face recognition, the linked gate machine opens the gate, after the stranger is recognized, the entrance guard controller records stranger information, a blacklist user is defined in the entrance guard controller, and the entrance guard controller gives an alarm without opening the gate or opening the gate.

In one embodiment of the present invention, the face recognition unit comprises a face image acquisition and detection module, a face image preprocessing module, a face image feature extraction module and a face image matching and recognition module, wherein the face image acquisition and detection module is configured to compare depth distances of different feature points of a face and determine whether the face is a target user; the face image feature extraction module is used for detecting a face image and positioning key feature points of the face, and after preprocessing, the key feature points are fed into a recognition algorithm at the rear end, and the recognition algorithm finishes extraction of the face feature points.

In one embodiment of the present invention, the face image preprocessing module is configured to detect a portrait in one frame of an image or video stream, separate the portrait from a background, and automatically store the portrait; the face image matching and identifying module is used for face identification and comprises two comparison modes, namely a face identification verification mode and a search mode, wherein the verification mode is to compare the captured person image or the designated person image with a certain registered person in the database to verify and determine whether the person image is the same person, and the search mode comparison mode is to search and search all the registered person images in the database to find whether the designated person image exists.

The operation flow of the access control system is as follows:

1. importing a client face image library into a system face library;

2. when a client approaches the high-definition camera, the camera starts to catch fear, and the shot face image information is transmitted to the background face recognition unit;

3. the system server receives the client image transmitted by the camera and compares the image with a face library which is imported in advance;

4. if the comparison is successful, the server sends an instruction to the access controller, and meanwhile, the sound box sends out 'welcome';

5. the entrance guard controller drives the electromagnetic lock to unlock after receiving the instruction, the automatic door is opened, and the automatic door is closed to wait for the next instruction after a client enters the door;

6. if the comparison is unsuccessful, the entrance guard state is not changed, and the sound equipment sends out prompt information;

7. a customer can enter the system by swiping an access card;

8. the system saves all images entering the client room for later inquiry;

9. and managing the visitor, and giving the visitor permission after the visitor finishes registering with the identity card.

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

Claims

1. An access control system is characterized by comprising an access controller, a face recognition unit, a fingerprint recognition unit, a card reader, an electric control lock, access management software, a door opening button, an emergency alarm switch, a power supply control box and a system server, wherein the system server is connected with the access controller;

2. The access control system of claim 1, wherein the card reader needs to read a card before the card reader when people enter/exit the door, the card reader reads information and then transmits the information to the host, the access controller firstly judges whether the information is legal, if the information is legal, the access controller sends a door opening instruction, namely, a connection signal is sent to the electric control lock to open the door, if the information is legal, the access controller does not send the door opening instruction and can send an alarm, and meanwhile, the access control unit stores data of card reading information, date and time.

3. The access control system of claim 1, wherein the system server can establish employee databases in different departments, periodically collect the data of each door, and perform collection, query, classification and printing according to the departments.

4. The access control system of claim 1, wherein the system server is capable of setting access rights, time ranges, holiday limits for each card.

5. The access control system of claim 1, wherein the card reader is adapted to a contactless IC inductive card.

6. The access control system of claim 1, wherein the face recognition unit performs face recognition, the linked gate is opened, after the stranger is recognized, the access controller records stranger information, a blacklisted user is defined in the access controller, and the door is alarmed, and the door is not opened or opened.

7. The access control system of claim 1, wherein the face recognition unit comprises a face image acquisition and detection module, a face image preprocessing module, a face image feature extraction module and a face image matching and recognition module, and the face image acquisition and detection module is configured to compare depth distances of different feature points of a face and determine whether the face is a target user; the face image feature extraction module is used for detecting a face image and positioning key feature points of the face, and after preprocessing, the key feature points are fed into a recognition algorithm at the rear end, and the recognition algorithm finishes extraction of the face feature points.

8. The access control system of claim 7, wherein the facial image preprocessing module is configured to detect and separate a human image from a background in one frame of an image or video stream, and automatically store the human image; the face image matching and identifying module is used for a face identification and verification type and a search type comparison mode, the verification type is to compare the person image obtained by capturing or the appointed person image with a certain registered person image in the database to verify and determine whether the person image is the same person, and the search type comparison is to search and find whether the appointed person image exists in all the registered person images in the database.