CN112489271A - Intelligent granary access control system and working method thereof - Google Patents
Intelligent granary access control system and working method thereof Download PDFInfo
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- CN112489271A CN112489271A CN201910859611.4A CN201910859611A CN112489271A CN 112489271 A CN112489271 A CN 112489271A CN 201910859611 A CN201910859611 A CN 201910859611A CN 112489271 A CN112489271 A CN 112489271A
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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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
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Abstract
The application discloses granary intelligent access control system and working method thereof, this access control system includes: the remote server is connected with the entrance guard host through GPRS, the entrance guard host is connected with the Bluetooth lock through Bluetooth, and the user terminal is in communication connection with the remote server and the entrance guard host through GPRS respectively. The working method of the access control system comprises the following steps: the user terminal sends a door opening instruction to the remote server; the remote server generates IC card authorization information and a dynamic password according to the door opening instruction; sending the IC card authorization information to the access control host, and sending the dynamic password to the user terminal; the entrance guard host generates an unlocking instruction according to the IC card authorization information and sends the unlocking instruction to the Bluetooth lock; the Bluetooth lock executes opening or closing actions according to the unlocking instruction and the dynamic password. By the method and the system, remote supervision and control of the management end to the remote granary can be realized, and informatization degree and safety of the granary access control system are greatly improved.
Description
Technical Field
The application relates to the technical field of granary safety management, in particular to an intelligent granary access control system and a working method thereof.
Background
Grain is an important strategic reserve material of the country, and how to effectively manage the granary is an important problem. The granary usually occupies a large area, and has fewer managers, if the door body is opened, the granary is not sealed properly, so that the grain storage safety problem and the grain quality problem caused by water and moisture leakage are caused; and the door body is opened, so that toxic gases such as phosphine for fumigation and the like can be leaked, and further, the personal safety problem is caused. Therefore, granary access control management is an important issue in granary management.
The prior granary access control system generally comprises an access lock and an access controller, and a granary is supervised through a door alarm controller. When the worker needs to enter the granary, the password is input to obtain the permission of the access controller, and then the access lock can be opened.
However, the existing granary access control system is only suitable for the situation that the distance between the granary and the access controller is short because the door alarm controller and the access lock are both arranged locally, and the informatization degree is low. When the granary is located far away, the current granary access control system cannot realize effective supervision on the granary and the patrol condition of the granary informed by personnel, so that the safety of the granary is not high enough.
Disclosure of Invention
The application provides a granary intelligent access control system and a working method thereof, and aims to solve the problems that the granary access control system in the prior art is low in informatization degree and not high enough in granary safety.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
the utility model provides a granary intelligent access control system, the system includes: the system comprises a remote server, a user terminal, an access control host and a Bluetooth lock, wherein the remote server, the user terminal, the access control host and the Bluetooth lock are deployed with a granary information management platform, the remote server and the access control host are in communication connection through GPRS (General Packet Radio Service), the access control host and the Bluetooth lock are in communication connection through Bluetooth, and the user terminal is in communication connection with the remote server and the access control host through GPRS respectively;
the user terminal is used for sending a door opening instruction;
the remote server is used for acquiring a door opening instruction of a user, generating IC (Integrated Circuit Card) Card authorization information and a dynamic password according to the door opening instruction, sending the IC Card authorization information to the access host, and sending the dynamic password to the user terminal;
and the access control host is used for controlling the opening and closing of the Bluetooth lock according to the IC card authorization information and the dynamic password.
Optionally, a storage module is arranged in the granary information management platform and used for storing user IC card information, warehouse administrator information, warehouse information and information of goods entering and exiting the warehouse.
Optionally, the entrance guard host computer includes: the system comprises an MCU (micro controller Unit), an RFID (Radio Frequency Identification) card reader, a GPRS communication module, a Bluetooth module and an input module, wherein the RFID card reader is used for reading IC card authorization information, the MCU is respectively connected with the RFID card reader, the GPRS communication module, the Bluetooth module and the input module, the GPRS communication module is also respectively connected with a remote server and a user terminal, and the Bluetooth module is also connected with a Bluetooth lock.
Optionally, the input module is a touch display screen or a numeric input keyboard.
Optionally, a detection module and an alarm module are further arranged in the granary information management platform;
the detection module is used for detecting the online state of the RFID card reader and the online state of the Bluetooth lock at regular time;
the alarm module is used for initiating alarm in the form of network telephone when the RFID card reader and/or the Bluetooth lock are offline.
A working method of a granary intelligent access control system comprises the following steps: the granary information management system comprises a far-end server, a user terminal, an entrance guard host and a Bluetooth lock, wherein the far-end server is deployed with the granary information management platform, the far-end server is in communication connection with the entrance guard host through GPRS, the entrance guard host is in communication connection with the Bluetooth lock through the Bluetooth, the user terminal is in communication connection with the far-end server and the entrance guard host through GPRS respectively, and the working method comprises the following steps:
the user terminal sends a door opening instruction to the remote server;
the remote server acquires the door opening instruction through a granary information management platform and generates IC card authorization information and a dynamic password according to the door opening instruction;
the remote server sends the IC card authorization information to an entrance guard host, and simultaneously sends the dynamic password to a user terminal;
the entrance guard host generates an unlocking instruction according to the IC card authorization information and sends the unlocking instruction to the Bluetooth lock;
and the Bluetooth lock executes opening or closing action according to the unlocking instruction and the dynamic password.
Optionally, the method further comprises: the remote server detects the online state of an RFID card reader and the online state of a Bluetooth lock in the access control host at regular time;
judging whether the RFID card reader and the Bluetooth lock are on line simultaneously;
if not, an alarm is initiated in the form of a network telephone.
Optionally, the timed time is 24 hours.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the application provides a granary intelligent access control system, this system mainly includes the four bibliographic categories branch of distal end server, user terminal, entrance guard's host computer and bluetooth lock, wherein has deployed granary information management platform in the distal end server, through GPRS communication connection between distal end server and the entrance guard's host computer, through bluetooth communication connection between entrance guard's host computer and the bluetooth lock, user terminal passes through GPRS respectively with distal end server and entrance guard's host computer communication connection. The user sends a door opening instruction through the user terminal, after receiving the door opening instruction, the remote server generates corresponding IC card authorization information and a dynamic password according to the door opening instruction, sends the IC card authorization information to the entrance guard host, and sends the dynamic password to the user terminal, and when the user inputs the dynamic password on the entrance guard host and swipes the IC card, the entrance guard host controls the opening and closing of the Bluetooth lock according to the IC card authorization information and the dynamic password. According to the embodiment, the remote monitoring and control of the management end on the grain bin in different places can be realized by arranging the remote server with the grain bin information management platform and through the communication connection between the access control host and the remote server as well as the Bluetooth lock, and the informatization degree and the safety of the grain bin access control system are greatly improved. Moreover, the remote server in the embodiment can simultaneously generate the IC card authorization information and the dynamic password according to the door opening instruction, and the access control host computer can control the Bluetooth lock to be opened only by starting two layers of protection, so that the security of the granary access control system is improved.
The application also provides a working method of the intelligent granary access control system, the working method is mainly applied to the intelligent granary access control system, and the method mainly comprises the following steps: firstly, a user side sends a door opening instruction to a remote server; the remote server acquires the door opening instruction through the granary information management platform and generates IC card authorization information and a dynamic password according to the door opening instruction; the remote server sends the IC card authorization information to the access control host, and simultaneously sends the dynamic password to the user terminal; the entrance guard host generates an unlocking instruction according to the IC card authorization information and sends the unlocking instruction to the Bluetooth lock; the Bluetooth lock executes opening or closing actions according to the unlocking instruction and the dynamic password. According to the method, a remote server can simultaneously generate IC card authorization information and a dynamic password according to an acquired door opening instruction, an entrance guard host generates an unlocking instruction according to the IC card authorization information, and a Bluetooth lock executes opening or closing actions according to the unlocking instruction and the dynamic password. Through setting up the two-layer mechanism of opening of IC-card authorization information and dynamic password, can avoid IC-card to authorize the completion back by other people's card and open the door to improve granary access control system's security greatly. Moreover, this embodiment is through the door access host computer with far-end server and near-end and bluetooth lock separately overall arrangement, and through communication connection and instruction information between the three, can realize remote control granary access control system, and do not confine to local control, and the information ization degree is high, is favorable to realizing knowing more arbitrary effective supervision to granary and granary to improve the security of granary.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application 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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent access control system for a granary according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an access control host in the embodiment of the present application;
fig. 3 is a schematic flow chart of a working method of the intelligent granary access control system according to the embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part 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.
For a better understanding of the present application, embodiments of the present application are explained in detail below with reference to the accompanying drawings.
Example one
Referring to fig. 1, fig. 1 is a schematic structural diagram of an intelligent granary access control system provided in an embodiment of the present application. As can be seen from fig. 1, the intelligent granary access control system of this embodiment mainly includes: the remote control system comprises a remote server, a user terminal, an entrance guard host and a Bluetooth lock. The remote server is arranged at a remote end far away from the granary, the entrance guard host and the Bluetooth lock are arranged locally in the granary, and the user terminal can be realized by adopting a computer. The Bluetooth lock is provided with a Bluetooth lock controller and a door lock.
The remote server is in communication connection with the entrance guard host through GPRS, the entrance guard host is in communication connection with the Bluetooth lock through Bluetooth, and the user terminal is in communication connection with the remote server and the entrance guard host through GPRS respectively. The user terminal is used for sending a door opening instruction; the remote server is used for acquiring a door opening instruction of a user, generating IC card authorization information and a dynamic password according to the door opening instruction, sending the IC card authorization information to the access control host, and sending the dynamic password to the user terminal; the entrance guard host computer is used for controlling the opening and closing of the Bluetooth lock according to the IC card authorization information and the dynamic password.
A granary information management platform is deployed in the remote server, and the granary information management platform is an in-out intelligent information management platform and used for managing granary warehouse information. The granary information management platform in this embodiment is provided with a storage module for storing user IC card information, warehouse administrator information, warehouse information, and information of goods entering and exiting the warehouse. The user IC card information is personal information of a card holder, including an account name and the like. The storehouse information includes storehouse number, and storehouse administrator information includes: the manager name and the manager job number, and the information of the goods entering and leaving the storehouse comprises: shipment type, shipment time, and shipment quantity.
The user terminal can enter the granary information management platform through the webpage, so that a door opening instruction is sent in the granary information management platform, namely: and requesting to open the door.
This embodiment is through setting up a distal end server to through the communication connection between entrance guard's host computer and distal end server and the bluetooth lock, can realize the remote supervision and the control of management terminal pair strange land granary, improve granary access control system's informationization degree and security greatly.
The structure of the access control host in this embodiment can be seen in fig. 2, and the broken line frame in fig. 2 is a component of the access control host. As can be seen from fig. 2, the door access host in this embodiment mainly includes: the device comprises a MCU, an RFID card reader, a GPRS communication module, a Bluetooth module and an input module. The MCU is respectively connected with the RFID card reader, the GPRS communication module, the Bluetooth module and the input module, the GPRS communication module is further respectively connected with the remote server and the user terminal, and the Bluetooth module is further connected with the Bluetooth lock.
The RFID card reader is used for reading IC card authorization information, an RFID card reading circuit is arranged in the RFID card reader, and the RFID card reading circuit in the prior art is adopted, so that the details are not repeated. The MCU can be realized by a single chip microcomputer. The input module can adopt a touch display screen or a numeric input keyboard. The touch display screen is optimized, so that the dynamic password can be input through the touch display screen, the operation steps of a user can be displayed and prompted, and the user experience is improved.
The entrance guard host in this embodiment can gather the information of user's IC-card through setting up the RFID card reader, can also read the IC-card authorization information that comes from the remote server. The entrance guard host acquires IC card authorization information of the remote server through the GPRS communication module, sends the IC card authorization information to the RFID card reader through the MCU to read the IC card authorization information, acquires a dynamic password input by a user through the input module, sends the dynamic password to the MCU through the input module, and controls the Bluetooth lock to be opened or closed through the Bluetooth module according to the IC card authorization information from the RFID card reader and the dynamic password of the input module. Specifically, after the entrance guard host identifies the IC card authorization information and acquires the dynamic password, the Bluetooth control module controls the Bluetooth lock to be opened, and when the entrance guard host only identifies the IC card authorization information, only acquires the dynamic password or neither identifies the IC card authorization information nor acquires the dynamic password, the Bluetooth control module controls the Bluetooth lock to be kept in a closed state.
In this embodiment, when the user sends a door opening instruction to the granary information management platform in the remote server at different times, the granary information management platform updates the IC authorization information in real time, that is: the door opening instructions at different moments correspond to different IC authorization information, instead of one IC authorization information, the IC authorization information can be used for multiple times, and the safety of the intelligent granary access control system is improved. In this embodiment, when the granary information management platform sends the IC authorization information, the IC authorization information is corresponding authority and valid time automatically granted to the IC card according to the working property of the employee.
Further, in this embodiment, the granary information management platform is further provided with a detection module and an alarm module, wherein the detection module is used for detecting the online state of the RFID card reader and the online state of the bluetooth lock at regular time, so as to determine whether the RFID card reader and the bluetooth lock have a communication fault; the alarm module is used for initiating an alarm in the form of a network telephone when the RFID card reader and/or the Bluetooth lock are/is off-line. The arrangement of the detection module and the alarm module can further improve the safety of the intelligent granary access control system through the modes of timing detection and instant alarm.
It should be noted that, when the grain bin intelligent access control system in this embodiment is deployed, it is necessary to first collect user IC card information and warehouse information to establish a database system, and store the database system in the grain bin information management platform.
When a user needs to open the Bluetooth lock, an authorization request is firstly sent to the granary information management platform, the granary information management platform can distribute corresponding dynamic passwords to the user, authorizes the IC card in the hand of the user, and simultaneously sends the IC card authorization information to the access control host through GPRS. When a user swipes a card at the access control host and inputs a dynamic password, the access control host can identify IC authorization information of the user, and after the access control host identifies specified authorization information, an unlocking instruction is sent to the Bluetooth lock controller through Bluetooth, and the Bluetooth lock controller controls the door lock to be opened. When the user closes the Bluetooth lock, the Bluetooth lock controller feeds back the locking information to the granary information management platform through the access control host. When a user needs to detect the opening and closing of the Bluetooth lock, the locking information can be directly acquired through the granary information management platform, and the opening and closing state of the door body is detected according to the locking information. When the door body is opened under the unauthorized condition, the Bluetooth lock controller can feed back an alarm signal to the granary information management platform through the access control host, and the granary information management platform stores alarm information and sends the alarm information through the alarm module.
To sum up, in this embodiment, the remote server can generate the IC card authorization information and the dynamic password according to the door opening instruction of the user terminal, which is equivalent to two gates for opening the bluetooth lock, and only if the access host can recognize the specified IC card authorization information and the correct dynamic password, the bluetooth lock can be sent with the unlocking instruction to control the bluetooth lock to open, so that the security of the granary access control system can be greatly improved due to the structural arrangement.
Example two
Referring to fig. 3 on the basis of the embodiments shown in fig. 1 and fig. 2, fig. 3 is a schematic flow chart of a working method of the intelligent granary access control system according to the embodiment of the present application. As can be seen from fig. 3, the working method of the intelligent granary access control system in this embodiment mainly includes the following steps:
s1: and the user terminal sends a door opening instruction to the remote server.
In this embodiment, when a user needs to enter a grain bin, the user logs in a grain bin information management platform of a remote server through own account information at a user terminal, and sends a door opening instruction at the grain bin information management platform.
S2: and the remote server acquires the door opening instruction through the granary information management platform and generates IC card authorization information and a dynamic password according to the door opening instruction.
S3: and the remote server sends the IC card authorization information to the access control host and simultaneously sends the dynamic password to the user terminal.
As can be seen from the above steps S2 and S3, the granary information management platform in the remote server simultaneously generates the IC card authorization information and the dynamic password according to the door opening instruction, and simultaneously transmits the IC card authorization information and the dynamic password to the corresponding receiving terminal.
S4: the entrance guard host computer generates an unlocking instruction according to the IC card authorization information and sends the unlocking instruction to the Bluetooth lock.
And after receiving the IC card authorization information, the access control host generates an unlocking instruction according to the IC card authorization information and sends the unlocking instruction to the Bluetooth lock. And after receiving the dynamic password, the input module of the access control host transmits the dynamic password to the Bluetooth lock through the MCU.
After the bluetooth lock receives the unlocking instruction and the dynamic password, the step S5 is executed: the Bluetooth lock executes opening or closing actions according to the unlocking instruction and the dynamic password.
Further, the working method of the intelligent granary access control system in the embodiment further comprises the following steps:
s6: and the remote server detects the online state of the RFID card reader and the online state of the Bluetooth lock in the access control host at regular time.
In this embodiment, the timing time for regularly detecting the online state of the RFID card reader and the online state of the bluetooth lock in the access control system is 24 hours. This time interval sets up, can enough effectively detect the on-line status of RFID card reader and bluetooth lock, ensures that the communication of door alarm system is normal, ensures access control system's security, also need not to occupy the too many resource of distal end server, is favorable to improving the operating efficiency of distal end server to improve the stability of granary intelligent access control system operation.
S7: and judging whether the RFID card reader and the Bluetooth lock are on line simultaneously.
And if the RFID card reader and the Bluetooth lock are on line at the same time, the communication between the RFID card reader and the Bluetooth lock is normal, and the timing detection is continuously executed. If one of the two is not on-line, indicating that the communication is abnormal, step S8 is executed: an alarm is initiated in the form of a network phone.
For parts of this embodiment that are not described in detail, reference may be made to the first embodiment shown in fig. 1 and fig. 2, and the two embodiments may be referred to each other, which is not described herein again.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a granary intelligent access control system which characterized in that, the system includes: the system comprises a remote server, a user terminal, an entrance guard host and a Bluetooth lock, wherein the remote server is deployed with a granary information management platform, the remote server is in communication connection with the entrance guard host through GPRS, the entrance guard host is in communication connection with the Bluetooth lock through the Bluetooth, and the user terminal is in communication connection with the remote server and the entrance guard host through GPRS respectively;
the user terminal is used for sending a door opening instruction;
the remote server is used for acquiring a door opening instruction of a user, generating IC card authorization information and a dynamic password according to the door opening instruction, sending the IC card authorization information to the access control host, and sending the dynamic password to the user terminal;
and the access control host is used for controlling the opening and closing of the Bluetooth lock according to the IC card authorization information and the dynamic password.
2. The intelligent granary access control system according to claim 1, wherein a storage module is arranged in the granary information management platform and used for storing user IC card information, storehouse manager information, storehouse information and information of goods entering and exiting the storehouse.
3. The intelligent granary access control system according to claim 1, wherein the access control host comprises: the intelligent IC card reader comprises an MCU, an RFID card reader, a GPRS communication module, a Bluetooth module and an input module, wherein the RFID card reader is used for reading IC card authorization information, the MCU is respectively connected with the RFID card reader, the GPRS communication module, the Bluetooth module and the input module, the GPRS communication module is also respectively connected with a remote server and a user terminal, and the Bluetooth module is also connected with a Bluetooth lock.
4. The intelligent grain bin access control system according to claim 3, wherein the input module is a touch display screen or a numeric input keyboard.
5. The intelligent granary access control system according to claim 3, wherein a detection module and an alarm module are further arranged in the granary information management platform;
the detection module is used for detecting the online state of the RFID card reader and the online state of the Bluetooth lock at regular time;
the alarm module is used for initiating alarm in the form of network telephone when the RFID card reader and/or the Bluetooth lock are offline.
6. The working method of the intelligent granary access control system is characterized by comprising the following steps: the granary information management system comprises a far-end server, a user terminal, an entrance guard host and a Bluetooth lock, wherein the far-end server is deployed with the granary information management platform, the far-end server is in communication connection with the entrance guard host through GPRS, the entrance guard host is in communication connection with the Bluetooth lock through the Bluetooth, the user terminal is in communication connection with the far-end server and the entrance guard host through GPRS respectively, and the working method comprises the following steps:
the user terminal sends a door opening instruction to the remote server;
the remote server acquires the door opening instruction through a granary information management platform and generates IC card authorization information and a dynamic password according to the door opening instruction;
the remote server sends the IC card authorization information to an entrance guard host, and simultaneously sends the dynamic password to a user terminal;
the entrance guard host generates an unlocking instruction according to the IC card authorization information and sends the unlocking instruction to the Bluetooth lock;
and the Bluetooth lock executes opening or closing action according to the unlocking instruction and the dynamic password.
7. The operating method of the intelligent granary access control system according to claim 6, wherein the method further comprises:
the remote server detects the online state of an RFID card reader and the online state of a Bluetooth lock in the access control host at regular time;
judging whether the RFID card reader and the Bluetooth lock are on line simultaneously;
if not, an alarm is initiated in the form of a network telephone.
8. The operating method of the intelligent access control system for the granary according to claim 7, wherein the timing time is 24 hours.
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