CN113538753A - Intelligent interconnection type access control system and use method thereof - Google Patents
Intelligent interconnection type access control system and use method thereof Download PDFInfo
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- CN113538753A CN113538753A CN202110798864.2A CN202110798864A CN113538753A CN 113538753 A CN113538753 A CN 113538753A CN 202110798864 A CN202110798864 A CN 202110798864A CN 113538753 A CN113538753 A CN 113538753A
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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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
- G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
- G07C9/257—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition electronically
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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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
- G07C9/23—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a password
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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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
Abstract
The invention discloses an intelligent interconnected access control system and a using method thereof. According to the intelligent interconnected entrance guard system, the entrance guard card and the user face are respectively identified through the entrance guard card reader and the face recognition camera in the identity recognition module, the entrance guard card and the user face are compared with the reserved information in the storage module through the judgment module for judgment, the entrance guard driving module is controlled to open the entrance guard through the lock control module when the comparison information is matched, the safety of the entrance guard is improved, and therefore the problem that the existing entrance guard system is low in safety is solved.
Description
Technical Field
The application relates to the technical field of access control systems, in particular to an intelligent interconnected access control system and a using method thereof.
Background
The entrance guard system is a system for controlling the entrance and exit channels as the name implies, which is developed on the basis of the traditional door lock, along with the rapid development of social science and technology and social economy, the information technology has been deeply required in various fields of people's lives, especially residential districts nowadays, along with the continuous improvement of people's awareness of security and theft prevention, so that the requirements on the safety performance of high-grade residential districts and the humanization of entrance guard systems are higher and higher, and the intelligent entrance guard system is widely used in various buildings and buildings.
The identity recognition of the existing access control system mainly adopts password recognition, access control card recognition or password and access control card composite recognition, however, lawbreakers can obtain the qualification of opening the access control by modifying a keyboard to steal the password and copy the access control card, so that the three modes have lower safety.
Disclosure of Invention
The invention aims to provide an intelligent interconnected access control system and a using method thereof, so as to solve the problems in the background technology.
The embodiment of the application adopts the following technical scheme:
an intelligent interconnected access control system comprises a central processing module, an identity recognition module, a secondary verification module and an access control driving module, wherein the signal output end of the identity recognition module is connected with the signal input end of the central processing module;
the central processing module comprises a judging module, an alarm control module, a lock control module and a short message control module, wherein the signal output end of the judging module is respectively connected with the signal input ends of the alarm control module, the lock control module and the short message control module, the central processing module further comprises a storage module for prestoring information for the judging module to judge, and the signal output end of the lock control module is connected with the signal input end of the entrance guard driving module.
Preferably, the identity recognition module comprises an entrance guard card reader and a face recognition camera, and the signal output ends of the entrance guard card reader and the face recognition camera are both connected with the signal input end of the judgment module.
Preferably, the safety alarm system further comprises a safety alarm module, wherein a signal input end of the safety alarm module is connected with a signal output end of the alarm control module.
Preferably, the secondary verification module comprises a server and a third-party short message platform, wherein a signal input end of the server is connected with a signal output end of the short message control module, and a signal output end of the server is connected with a signal input end of the third-party short message platform.
Preferably, the signal output end of the storage module is connected with the signal input end of the server.
Preferably, the signal output end of the third-party short message platform is connected with the signal input end of the mobile phone terminal of the user.
Preferably, the system further comprises an input keyboard, a signal output end of the input keyboard is connected with a signal input end of the judging module, and a signal output end of the server is connected with a signal input end of the judging module, so that whether the information input by the input keyboard is matched with the information provided by the server is judged.
The invention also provides a use method of the intelligent interconnected access control system, which comprises the following steps:
s1, the user inserts the entrance guard card into the entrance guard card reader, and simultaneously the face recognition camera in the identity recognition module works to shoot the face of the user;
s2, the identity recognition module sends the user access card information and the face image to the central processing module;
s3, the judgment module compares the access card information and the face image information of the user with the information preset in the storage module;
s4, if the entrance guard card information and the face image information are matched with the preset information in the storage module, the judging module sends a signal to the lock control module, and the lock control module controls the entrance guard driving module to unlock the door lock;
s5, if one of the access card information and the face image information is not matched with the preset information in the storage module, the judging module sends a signal to the short message control module, and the short message control module sends an instruction to the secondary verification module;
s6, the server acquires the mobile phone number of the original card holder from the reserved information in the storage module, generates a verification code and sends the verification code to a third-party short message platform, and simultaneously transmits the verification code to the judgment module, the third-party short message platform sends the information to one of three operators, the operators send the short message to the original card holder mobile phone terminal, the user contacts the original card holder to acquire the verification code and inputs the verification code through an input keyboard, the input keyboard transmits the information to the judgment module, and the judgment module compares the verification code information with the verification code information provided by the server;
s7, if the verification code information input by the input keyboard is matched with the verification code information provided by the server, the judging module sends a signal to the lock control module, and the lock control module controls the entrance guard driving module to unlock the door lock;
and S8, if the verification code information input by the input keyboard is not matched with the verification code information provided by the server, the judgment module sends a signal to the alarm control module, and the alarm control module sends an instruction to control the safety alarm module to send an alarm.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
one of them, through entrance guard's card reader among the identity recognition module and face identification camera respectively to entrance guard's card and user's facial discernment, judge through the comparison of reservation information in judging module with both and the storage module, control entrance guard drive module through tool to lock control module when the comparison information matches and open entrance guard, improved entrance guard's security to make this intelligence interconnection formula access control system solve the lower problem of current access control system security.
Secondly, the server side in the secondary verification module generates a random verification code and sends the random verification code to the user mobile phone terminal, an input keyboard is used for inputting, the verification code information sent by the server side is compared, when the verification code information is matched with the verification code information, the entrance guard is opened, the situation that the entrance guard card cannot enter under the borrowed situation is avoided, and therefore the intelligent interconnected entrance guard system solves the problem that the entrance guard card with the borrowed entrance guard card cannot be opened.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a diagram: the invention provides a working principle diagram of a system.
In the figure: 1. a central processing module; 11. a judgment module; 12. an alarm control module; 13. a lockset control module; 14. a short message control module; 15. a storage module; 2. an identity recognition module; 21. an access card reader; 22. a face recognition camera; 3. a secondary verification module; 31. a server side; 32. a third-party short message platform; 4. an entrance guard driving module; 5. a security alarm module; 6. and (4) inputting a keyboard.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides an intelligent interconnected access control system and a technical solution of a method for using the same:
an intelligent interconnected access control system comprises a central processing module 1, an identity recognition module 2, a secondary verification module 3 and an access control driving module 4, wherein the signal output end of the identity recognition module 2 is connected with the signal input end of the central processing module 1;
the central processing module 1 comprises a judging module 11, an alarm control module 12, a lock control module 13 and a short message control module 14, wherein the signal output end of the judging module 11 is respectively connected with the signal input ends of the alarm control module 12, the lock control module 13 and the short message control module 14, the central processing module 1 further comprises a storage module 15 used for prestoring information for judgment of the judging module 11, and the signal output end of the lock control module 13 is connected with the signal input end of the entrance guard driving module 4.
The identity recognition module 2 comprises an entrance guard card reader 21 and a face recognition camera 22, and signal output ends of the entrance guard card reader 21 and the face recognition camera 22 are connected with a signal input end of the judgment module 11.
The safety alarm system further comprises a safety alarm module 5, wherein a signal input end of the safety alarm module 5 is connected with a signal output end of the alarm control module 12.
The secondary verification module 3 comprises a service end 31 and a third-party short message platform 32, wherein a signal input end of the service end 31 is connected with a signal output end of the short message control module 14, and a signal output end of the service end 31 is connected with a signal input end of the third-party short message platform 32.
The signal output of the memory module 15 is connected to the signal input of the server 31.
The signal output end of the third-party short message platform 32 is connected with the signal input end of the mobile phone terminal of the user.
The system further comprises an input keyboard 6, a signal output end of the input keyboard 6 is connected with a signal input end of the judging module 11, and a signal output end of the server 31 is connected with a signal input end of the judging module 11, so that whether the information input by the input keyboard 6 is matched with the information provided by the server 31 or not is judged.
Concretely, respectively to entrance guard's card and user's face discernment through entrance guard's card reader 21 and face identification camera 22 in the identification module 2, judge both and reserve the information contrast in the storage module 15 through judging module 11, control entrance guard drive module 4 through tool to lock control module 13 when the contrast information matches and open the entrance guard, the security of entrance guard has been improved, server 31 through in the secondary verification module 3 generates random verification code and sends to in user's cell-phone terminal, and utilize input keyboard 6 to input, the verification code information contrast that sends with server 31, open the entrance guard when both match, the condition that can't get into under the condition of avoiding appearing the entrance guard card borrowed.
The invention also provides a use method of the intelligent interconnected access control system, which comprises the following steps:
s1, the user inserts the entrance guard card into the entrance guard card reader 21, and the face recognition camera 22 in the identity recognition module 2 works to shoot the face of the user;
s2, the identity recognition module 2 sends the user access card information and the face image to the central processing module 1;
s3, the judgment module 11 compares the user' S entrance guard card information and face image information with the information preset in the storage module 15;
s4, if the entrance guard card information and the face image information are matched with the preset information in the storage module 15, the judging module 11 sends a signal to the lock control module 13, and the lock control module 13 controls the entrance guard driving module 4 to unlock the door lock;
s5, if one of the access card information and the face image information is not matched with the preset information in the storage module 15, the judging module 11 sends a signal to the short message control module 14, and the short message control module 14 sends an instruction to the secondary verification module 3;
s6, the server 31 acquires the mobile phone number of the original cardholder from the reserved information in the storage module 15, generates a verification code and sends the verification code to the third-party short message platform 32, and simultaneously transmits the verification code to the judgment module 11, the third-party short message platform 32 sends the information to one of three operators, the operators send the short message to the mobile phone terminal of the original cardholder, the user contacts the original cardholder to acquire the verification code and inputs the verification code through the input keyboard 6, the input keyboard 6 transmits the information to the judgment module 11, and the judgment module 11 compares the verification code information with the verification code information provided by the server 31;
s7, if the verification code information input by the input keyboard 6 is matched with the verification code information provided by the server 31, the judgment module 11 sends a signal to the lock control module 13, and the lock control module 13 controls the entrance guard driving module 4 to unlock the door lock;
s8, if the verification code information inputted by the input keyboard 6 is not matched with the verification code information provided by the server 31, the determining module 11 sends a signal to the alarm control module 12, and the alarm control module 12 sends a command to control the security alarm module 5 to send an alarm.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied in the medium, including, but not limited to, disk storage, CD-ROM, optical storage, and the like.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (9)
1. The utility model provides an intelligence interconnection formula access control system which characterized in that: the system comprises a central processing module (1), an identity recognition module (2), a secondary verification module (3) and an entrance guard driving module (4), wherein the signal output end of the identity recognition module (2) is connected with the signal input end of the central processing module (1);
central processing module (1) is including judging module (11), alarm control module (12), tool to lock control module (13) and SMS control module (14), the signal output part of judging module (11) is connected with the signal input part of alarm control module (12), tool to lock control module (13) and SMS control module (14) respectively, central processing module (1) still includes storage module (15) for prestore information and judge in order to supply judging module (11), the signal output part of tool to lock control module (13) is connected with the signal input part of entrance guard drive module (4).
2. The intelligent interconnected access control system of claim 1, wherein: the identity recognition module (2) comprises an entrance guard card reader (21) and a face recognition camera (22), and signal output ends of the entrance guard card reader (21) and the face recognition camera (22) are connected with a signal input end of the judgment module (11).
3. The intelligent interconnected access control system of claim 1, wherein: the alarm device is characterized by further comprising a safety alarm module (5), wherein the signal input end of the safety alarm module (5) is connected with the signal output end of the alarm control module (12).
4. The intelligent interconnected access control system of claim 1, wherein: the secondary verification module (3) comprises a service end (31) and a third-party short message platform (32), wherein the signal input end of the service end (31) is connected with the signal output end of the short message control module (14), and the signal output end of the service end (31) is connected with the signal input end of the third-party short message platform (32).
5. The intelligent interconnected access control system of claim 1, wherein: the signal output end of the storage module (15) is connected with the signal input end of the server end (31).
6. The intelligent interconnected access control system of claim 4, wherein: and the signal output end of the third-party short message platform (32) is connected with the signal input end of the mobile phone terminal of the user.
7. The intelligent interconnected access control system of claim 4, wherein: the information processing system is characterized by further comprising an input keyboard (6), wherein a signal output end of the input keyboard (6) is connected with a signal input end of the judging module (11), and a signal output end of the server (31) is connected with a signal input end of the judging module (11), so that whether the information input by the input keyboard (6) is matched with the information provided by the server (31) or not is judged.
8. A method of using an intelligent interconnected access control system, comprising the intelligent interconnected access control system of any one of claims 1-7, wherein: the method comprises the following steps:
s1, the user inserts the entrance guard card into the entrance guard card reader (21), and simultaneously the face recognition camera (22) in the identity recognition module (2) works to shoot the face of the user;
s2, the identity recognition module (2) sends the user access card information and the face image to the central processing module (1);
s3, the judgment module (11) compares the access card information and the face image information of the user with the information preset in the storage module (15);
s4, if the door access card information and the face image information are matched with the preset information in the storage module (15), the judging module (11) sends a signal to the lock control module (13), and the lock control module (13) controls the door access driving module (4) to open the door lock.
9. The use method of the intelligent interconnected access control system according to claim 8, characterized in that: further comprising the steps of:
s5, if one of the access card information and the face image information is not matched with the preset information in the storage module (15), the judgment module (11) sends a signal to the short message control module (14), and the short message control module (14) sends an instruction to the secondary verification module (3);
s6, a server (31) acquires the mobile phone number of an original cardholder from the reserved information in a storage module (15), generates a verification code and sends the verification code to a third-party short message platform (32), and simultaneously transmits the verification code to a judgment module (11), the third-party short message platform (32) sends the information to one of three operators, the operators send the short message to the original cardholder mobile phone terminal, a user contacts the original cardholder to acquire the verification code and inputs the verification code through an input keyboard (6), the input keyboard (6) transmits the information to the judgment module (11), and the judgment module (11) compares the verification code information with the verification code information provided by the server (31);
s7, if the verification code information input by the input keyboard (6) is matched with the verification code information provided by the server side (31), the judgment module (11) sends a signal to the lock control module (13), and the lock control module (13) controls the entrance guard driving module (4) to open the door lock;
s8, if the verification code information input by the input keyboard (6) is not matched with the verification code information provided by the server (31), the judgment module (11) sends a signal to the alarm control module (12), and the alarm control module (12) sends an instruction to control the safety alarm module (5) to send an alarm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115147968A (en) * | 2022-06-20 | 2022-10-04 | 云南财经大学 | Identity verification method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881064A (en) * | 2012-10-08 | 2013-01-16 | 无锡天授信息科技有限公司 | Visitor management system and method based on face identification |
| CN104517338A (en) * | 2015-01-20 | 2015-04-15 | 蹇晓梅 | Remote door access control system based on wireless network and realization method of remote door access control system |
| CN104935865A (en) * | 2015-06-16 | 2015-09-23 | 福建省科正智能科技有限公司 | Intelligent video door-phone system |
| CN105447949A (en) * | 2015-12-30 | 2016-03-30 | 深圳市多度科技有限公司 | Intelligent access control system |
| CN106934885A (en) * | 2017-02-20 | 2017-07-07 | 广东亚太天能科技股份有限公司 | Smart lock and remote unlocking method |
| CN209803867U (en) * | 2019-05-09 | 2019-12-17 | 河南华邦科技有限公司 | Multifunctional identity authentication device with face recognition function |
| CN111445611A (en) * | 2018-12-28 | 2020-07-24 | 浙江绿炳畅智能科技有限公司 | Face recognition access control system |
-
2021
- 2021-07-15 CN CN202110798864.2A patent/CN113538753A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881064A (en) * | 2012-10-08 | 2013-01-16 | 无锡天授信息科技有限公司 | Visitor management system and method based on face identification |
| CN104517338A (en) * | 2015-01-20 | 2015-04-15 | 蹇晓梅 | Remote door access control system based on wireless network and realization method of remote door access control system |
| CN104935865A (en) * | 2015-06-16 | 2015-09-23 | 福建省科正智能科技有限公司 | Intelligent video door-phone system |
| CN105447949A (en) * | 2015-12-30 | 2016-03-30 | 深圳市多度科技有限公司 | Intelligent access control system |
| CN106934885A (en) * | 2017-02-20 | 2017-07-07 | 广东亚太天能科技股份有限公司 | Smart lock and remote unlocking method |
| CN111445611A (en) * | 2018-12-28 | 2020-07-24 | 浙江绿炳畅智能科技有限公司 | Face recognition access control system |
| CN209803867U (en) * | 2019-05-09 | 2019-12-17 | 河南华邦科技有限公司 | Multifunctional identity authentication device with face recognition function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115147968A (en) * | 2022-06-20 | 2022-10-04 | 云南财经大学 | Identity verification method and device |
| CN115147968B (en) * | 2022-06-20 | 2023-08-25 | 云南财经大学 | Identity verification method and device |
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