CN113628371A - Access control system based on Internet of things - Google Patents
Access control system based on Internet of things Download PDFInfo
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- CN113628371A CN113628371A CN202110883951.8A CN202110883951A CN113628371A CN 113628371 A CN113628371 A CN 113628371A CN 202110883951 A CN202110883951 A CN 202110883951A CN 113628371 A CN113628371 A CN 113628371A
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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
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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
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
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Abstract
The invention relates to the application field of the Internet of things, and discloses an access control system based on the Internet of things, which comprises an access control terminal, an Internet of things gateway and an access control management and authentication server, wherein the access control terminal comprises an identity recognition module, a wireless network relay and an electromagnetic lock; the identity recognition module is used for recognizing the identity information of the external personnel and transmitting the identity information to the Internet of things gateway; the internet of things gateway is used for packaging identity information into a first data packet, the access control management and authentication server generates control information according to the obtained information of the first data packet and packages the control information into a second data packet, the wireless network relay is connected with the electromagnetic lock, the internet of things gateway unpacks the second data packet to obtain the control information, the internet of things gateway sends the control information to the wireless network relay, and the wireless network relay controls the on-off state of the electromagnetic lock according to the control information.
Description
Technical Field
The invention relates to the application field of the Internet of things, in particular to an access control system based on the Internet of things.
Background
The existing access control system comprises access control management software, an access control terminal and an access control card, wherein hardware devices such as an access control controller, a card reader and an electromagnetic lock are integrated on the access control terminal, and the access control controller is a core device. When the card reader reads the entrance guard card information, the entrance guard card information is transmitted to the entrance guard controller in a wired mode, the entrance guard controller judges whether the information is effective or not, when the information is effective, the relay arranged in the entrance guard controller in the control mode is used for disconnecting the power supply of the electromagnetic lock, the magnetic force of the electromagnetic lock disappears, and the door can be opened, so that the purpose of opening the door by swiping the card is realized. The entrance guard management software is mainly used for managing entrance guard cards, information of the entrance guard cards is issued to the entrance guard controller, the entrance guard controller locally stores the information of the entrance guard cards, and the entrance guard management software does not need to be communicated with the entrance guard management software in the process of swiping the cards to open the doors. On current entrance guard's terminal, because need a controller to save, authentication access card information, supply power for the electromagnetic lock, single entrance guard's controller integrated function is more, and is expensive, add installation deployment expense, entire system cost is higher, and every entrance guard's terminal goes up the controller, the electromagnetic lock, the card reader, need a large amount of wiring between the network switch, the installation is deployed and is wasted time and energy and take the material, when many in addition, need install many entrance guard's controllers, equipment cost has been increased.
Disclosure of Invention
Therefore, an access control system based on the internet of things needs to be provided, and the problems that an existing access control system is high in equipment cost, needs a large amount of wiring and is unstable are solved.
In order to achieve the purpose, the invention provides an access control system based on the Internet of things, which comprises an access control terminal, an Internet of things gateway, an access control management and authentication server and a wireless network relay, wherein the access control terminal comprises an identity recognition module, the wireless network relay and an electromagnetic lock;
the identity recognition module is in wireless communication connection with the Internet of things gateway and is used for recognizing identity information of external personnel and transmitting the identity information to the Internet of things gateway;
the access control management and authentication server is in data transmission connection with the gateway of the internet of things, the gateway of the internet of things is used for encapsulating identity information into a first data packet according to a preset protocol and transmitting the first data packet to the access control management and authentication server, the access control management and authentication server is used for decapsulating the first data packet and identifying information of the first data packet, the access control management and authentication server generates control information according to the obtained information of the first data packet and encapsulates the control information into a second data packet according to the preset protocol, and the access control management and authentication server sends the second data packet to the gateway of the internet of things;
the wireless network relay is connected with the electromagnetic lock, the wireless network relay is in wireless communication connection with the Internet of things gateway, the Internet of things gateway de-encapsulates the second data packet according to a preset protocol to obtain control information, the Internet of things gateway sends the control information to the wireless network relay, and the wireless network relay controls the on-off of the electromagnetic lock according to the control information.
Furthermore, entrance guard terminal and thing networking gateway quantity are a plurality of, and single thing networking gateway is connected with an entrance guard terminal at least, and a plurality of thing networking gateways constitute the network. The Internet of things can work singly, and after the Internet of things gateways form a mesh network, single-point faults of the communication network can be effectively eliminated.
Further, the wireless communication is any one or a combination of the following, but is not limited to one or a combination of the following: zigbee, Thread, Bluetooth LE, WiFi, LoRa, NB-IoT, SigFox, LPWAN. The wireless access control gateway product produced by adopting the wireless transmission technology of the Internet of things has the characteristics of more connecting equipment, low cost, less power consumption and the like, and simultaneously meets the requirements of energy conservation and environmental protection of green buildings. The wireless access control gateways can be self-organized, the problem of system failure caused by single-point faults is solved, and the redundancy of network transmission channels is realized.
Further, the data transmission is any one or combination of the following, but is not limited to one or combination of the following: MQTT, Kafka, CoAP, AMQP, Websocket, Node, HTTP and HTTPS.
Further, the data of the first data packet and the second data packet are encrypted by using an encryption algorithm, which is any one or combination of the following, but is not limited to one or combination of the following: the encryption algorithms used by the first data packet and the second data packet can be the same or different, and different encryption algorithms need different decryption algorithms to decrypt, so that the security of data transmission is effectively ensured.
Further, the identity recognition module is a media sensing device or a biometric sensing device, and the media sensing device is any one or a combination of the following devices, but is not limited to one or a combination of the following devices: wearable equipment, an RFID card reader, NFC and a two-dimensional code card reader; the biometric sensing device is any one or combination of the following but is not limited to one or combination of the following: face recognizer, iris recognizer, fingerprint recognizer, voiceprint recognizer, voice recognizer, palm print recognizer and palm vein recognizer.
The access control management and authentication server further comprises a management module, an authentication module and a memory, wherein the management module is connected with the memory, the management module is used for creating authorized identity information and storing the authorized identity information into the memory, the authentication module is connected with the memory, and the authentication module is used for decapsulating the first data packet to obtain the identity information of the external person and calling the authorized identity information in the memory for comparison to generate control information. The management module is required to be easy to operate, and the authentication module is required to have high real-time performance, high reliability, high stability and high concurrent processing capability.
Furthermore, a plurality of access control management and authentication servers are arranged, and the plurality of access control management and authentication servers perform distributed clustering and redundant deployment. The storage capacity of the server is large, and theoretically, the number of stored access control card information (or identity IDs) is not limited; and has good reliable stability, and can realize high concurrency and high availability of the whole system.
The technical scheme has the following beneficial effects:
in the access control system, the access control management and authentication server is used for uniformly managing and authorizing access control information, an access controller positioned at an access control terminal in the conventional technology is abandoned, the access control terminal is only provided with the wireless network relay and the electromagnetic lock, the entrance control system plays the role of an actuator, the cost of the whole system is saved, system components are connected by wireless communication, a large amount of weak current wiring is avoided, time, labor and materials are saved in installation and deployment, and the stability, the usability and the safety of the system are improved.
Drawings
Fig. 1 is a block diagram of an access control system according to an embodiment.
Fig. 2 is a module connection diagram of the access control terminal and the internet of things gateway according to the specific embodiment.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1-2, the embodiment discloses an access control system based on the internet of things, which comprises an access control terminal, an internet of things gateway and an access control management and authentication server, wherein the access control terminal comprises an identity recognition module, a wireless network relay and an electromagnetic lock; each access control terminal corresponds to an access which needs to be controlled.
The identity recognition module is in wireless communication connection with the Internet of things gateway and is used for recognizing identity information of external personnel and transmitting the identity information to the Internet of things gateway;
the access control management and authentication server is in data transmission connection with the gateway of the internet of things, the gateway of the internet of things is used for encapsulating identity information into a first data packet according to a preset protocol and transmitting the first data packet to the access control management and authentication server, the access control management and authentication server is used for decapsulating the first data packet and identifying information of the first data packet, the access control management and authentication server generates control information according to the obtained information of the first data packet and encapsulates the control information into a second data packet according to the preset protocol, and the access control management and authentication server sends the second data packet to the gateway of the internet of things;
the wireless network relay is connected with the electromagnetic lock, the wireless network relay is in wireless communication connection with the Internet of things gateway, the Internet of things gateway de-encapsulates the second data packet according to a preset protocol to obtain control information, the Internet of things gateway sends the control information to the wireless network relay, and the wireless network relay controls the on-off of the electromagnetic lock according to the control information.
Entrance guard's terminal and thing networking gateway are a plurality of, and single thing networking gateway is connected with an entrance guard terminal at least, and in this embodiment, three entrance guard's terminal is connected to single thing networking gateway, and thing networking gateway and entrance guard terminal form one-to-many position relation, and a plurality of thing networking gateways constitute network, prevent single-point trouble, cause access control system operation trouble.
In this embodiment, the identity module is wirelessly connected with the internet of things gateways and the internet of things gateways through Zigbee technology, the wireless network relay is wirelessly connected with the internet of things gateways through Zigbee technology, the internet of things gateways and the gate inhibition management and authentication server are connected through MQTT technology for data transmission, the Zigbee network layer adopts a networking mode of a mesh network, multiple paths can be formed from a source node to a destination node, the robustness of the network is enhanced by the redundancy of the paths, if an original path has a problem, such as interference, or one of the intermediate nodes has a fault, Zigbee can perform route restoration, and an appropriate path is selected to maintain communication.
In another embodiment, the identity identification module is in wireless communication connection with the internet of things gateway and the internet of things gateway through Thread technology, the wireless network relay is in wireless communication connection with the internet of things gateway through Bluetooth technology, and data transmission connection is performed between the internet of things gateways, between the internet of things gateway and the entrance guard management and authentication server through Kafka technology.
In another embodiment, the identity recognition module is in wireless communication connection with the internet of things gateway and the internet of things gateway through a LoRa technology, the wireless network relay is in wireless communication connection with the internet of things gateway through a Bluetooth LE technology, and the internet of things gateway and the entrance guard management and authentication server are in data transmission connection through a CoAP technology.
In another embodiment, the identity recognition module is in wireless communication connection with the internet of things gateway and the internet of things gateway through NB-IoT technology, the wireless network relay is in wireless communication connection with the internet of things gateway through WiFi technology, and the internet of things gateway, the internet of things gateway and the gate inhibition management and authentication server are in data transmission connection through AMQP technology.
In another embodiment, the identity recognition module is in wireless communication connection with the internet of things gateway and the internet of things gateway through a SigFox technology, the wireless network relay is in wireless communication connection with the internet of things gateway through the SigFox technology, and the internet of things gateway, the internet of things gateway and the gate control management and authentication server are in data transmission connection through a Websocket and a Node technology respectively. In another embodiment, the identity recognition module is in wireless communication connection with the internet of things gateway through an LPWAN technology, the wireless network relay is in wireless communication connection with the internet of things gateway through the LPWAN technology, and data transmission connection is performed between the internet of things gateways, between the internet of things gateways and the gate inhibition management and authentication server through HTTP and HTTPS technologies respectively.
The wireless access control gateway product produced by adopting the wireless transmission technology of the Internet of things has the characteristics of more connecting equipment, low cost, less power consumption and the like, and simultaneously meets the requirements of energy conservation and environmental protection of green buildings. The wireless access control gateways can be self-organized, the problem of system failure caused by single-point faults is solved, and the redundancy of network transmission channels is realized.
In this embodiment, the data of the first data packet and the second data packet are encrypted by using DES and 3DES encryption algorithms, respectively.
In another embodiment, the data of the first data packet and the second data packet are encrypted using AES and RSA encryption algorithms, respectively.
In another embodiment, the data of the first data packet and the second data packet are encrypted using DSA and SHA-1 encryption algorithms, respectively.
In another embodiment, the data of the first data packet and the data of the second data packet are encrypted by using the MD5 and MD5 encryption algorithms. And different encryption algorithms are used to ensure the safety of the first data packet and the second data packet.
The identity recognition module is a medium sensing device or a biological characteristic sensing device, and the medium sensing device is any one or combination of the following devices, but is not limited to one or combination of the following devices: the system comprises wearable equipment, an RFID card reader, NFC and a two-dimensional code card reader; the biometric sensing device is any one or combination of the following but is not limited to one or combination of the following: face recognizer, iris recognizer, fingerprint recognizer, voiceprint recognizer, voice recognizer, palm print recognizer and palm vein recognizer.
In this embodiment, the identity identification module uses an RFID card reader, and the RFID card reader reads the identity information of the access control card used by the external person and transmits the identity information to the internet of things gateway.
The access control management and authentication server comprises a management module, an authentication module and a memory, wherein the management module is connected with the memory, the management module is used for creating authorized identity information and storing the authorized identity information into the memory, the authentication module is connected with the memory, and the authentication module is used for decapsulating a first data packet to obtain the identity information of an external person and calling the authorized identity information in the memory for comparison to generate control information. The management module is required to be easy to operate, and the authentication module is required to have high real-time performance, high reliability, high stability and high concurrent processing capability.
Specifically, the access control management and authentication server can adopt a domestic signal-created ARM architecture or an X86 architecture server, the server configuration adopts extremely high HA, and multi-machine configuration can be mutually hot standby under the guarantee of single-machine HA. The entrance guard management and authentication Server is provided with an entrance guard management and authentication system which adopts a general Web Server technology.
The access control management and authentication server is provided with a plurality of access control management and authentication servers which carry out distributed clustering and redundant deployment. The storage capacity of the server is large, and theoretically, the number of stored access control card information (or identity IDs) is not limited; and has good reliable stability, and can realize high concurrency and high availability of the whole system.
The traditional access controller has complex function integration and more fault points, and the system is easy to fail once a fault occurs, in the invention, an access management and authentication server belongs to IT standardized equipment, is mature and stable, is placed in a machine room, and is safe and guaranteed, and the arrangement of the access management and authentication server reduces the fault occurrence probability of an access control system, improves the stability of the system, avoids the use of the access controller on an access terminal, reduces the equipment cost and the installation and deployment cost of the system, and improves the construction economy of the system; moreover, the wireless transmission can reduce the wiring construction of the system and improve the construction speed of the system; the setting of the server is not limited by the storage capacity of the access controller, and the capacity of a system access card (or identity ID) is improved; in addition, the door controller has more internal circuits, is easily influenced by lightning, surge and static electricity, cancels the door controller and improves the safety of the system.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.
Claims (8)
1. An access control system based on the Internet of things is characterized by comprising an access control terminal, an Internet of things gateway and an access control management and authentication server, wherein the access control terminal comprises an identity recognition module, a wireless network relay and an electromagnetic lock;
the identity recognition module is in wireless communication connection with the Internet of things gateway and is used for recognizing identity information of external personnel and transmitting the identity information to the Internet of things gateway;
the access control management and authentication server is in data transmission connection with the gateway of the internet of things, the gateway of the internet of things is used for encapsulating identity information into a first data packet according to a preset protocol and transmitting the first data packet to the access control management and authentication server, the access control management and authentication server is used for decapsulating the first data packet and identifying information of the first data packet, the access control management and authentication server generates control information according to the obtained information of the first data packet and encapsulates the control information into a second data packet according to the preset protocol, and the access control management and authentication server sends the second data packet to the gateway of the internet of things;
the wireless network relay is connected with the electromagnetic lock, the wireless network relay is in wireless communication connection with the Internet of things gateway, the Internet of things gateway de-encapsulates the second data packet according to a preset protocol to obtain control information, the Internet of things gateway sends the control information to the wireless network relay, and the wireless network relay controls the on-off of the electromagnetic lock according to the control information.
2. The Internet of things-based access control system of claim 1, wherein the number of the access control terminals and the number of the Internet of things gateways are multiple, a single Internet of things gateway is connected with at least one access control terminal, and the multiple Internet of things gateways form a network.
3. The internet of things-based access control system of claim 1, wherein the wireless communication is any one or combination of the following, but not limited to: zigbee, Thread, Bluetooth LE, WiFi, LoRa, NB-IoT, SigFox, LPWAN.
4. The internet of things-based access control system of claim 1, wherein the data transmission is any one or combination of the following, but not limited to: MQTT, Kafka, CoAP, AMQP, Websocket, Node, HTTP, HTTPS.
5. The internet of things-based access control system of claim 1, wherein the data of the first data packet and the second data packet are encrypted by using an encryption algorithm, the encryption algorithm is any one or a combination of the following, but not limited to one or a combination of the following: DES, 3DES, AES, RSA, DSA, SHA-1, MD 5.
6. The internet-of-things-based access control system according to claim 1, wherein the identification module is a media sensing device or a biometric sensing device, and the media sensing device is any one or a combination of the following devices, but is not limited to one or a combination of the following devices: wearable equipment, an RFID card reader, NFC and a two-dimensional code card reader; the biometric sensing device is any one or combination of the following but is not limited to one or combination of the following: face recognizer, iris recognizer, fingerprint recognizer, voiceprint recognizer, voice recognizer, palm print recognizer and palm vein recognizer.
7. The internet of things-based access control system of claim 1, wherein the access control management and authentication server comprises a management module, an authentication module and a memory, the management module is connected with the memory, the management module is used for creating authorized identity information and storing the created authorized identity information in the memory, the authentication module is connected with the memory, and the authentication module is used for decapsulating the first data packet to obtain the identity information of the external person and calling the authorized identity information in the memory for comparison to generate the control information.
8. The internet of things-based access control system of claim 1, wherein a plurality of access control management and authentication servers are provided, and distributed clustering and redundant deployment are performed on the plurality of access control management and authentication servers.
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| CN202110883951.8A CN113628371A (en) | 2021-08-03 | 2021-08-03 | Access control system based on Internet of things |
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