Temporary authority level-to-level management method and system based on RFID

Abstract

The invention relates to the technical field of authority level-to-level management, in particular to a temporary authority level-to-level management method and system based on RFID (Radio Frequency Identification), and the method comprises the following steps: when an emergency triggering a global blocking state is detected, a control center generates a path guide instruction; sending the path guiding instruction to an initial access control point in the path definition; after receiving the path guiding instruction, the starting access control point enters a guiding standby state, responds to triggering of any identity certificate in the guiding standby state, and executes a one-time door opening action; after the next access control point receives the relay activation signal, the next access control point enters a relay standby state from a blocking state; in the relay standby state, the next access control point responds to the triggering of any identity certificate and executes a one-time door opening action; and each access control point recovers to the blocking state after completing the transmission of the corresponding relay activation signal. The emergency evacuation efficiency and safety are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hierarchical authority management, and in particular to a temporary hierarchical authority management method and system based on RFID. Background Art

[0002] Large-scale event venues and other locations often utilize access control systems based on radio frequency identification (RFID) technology to manage access and area permissions. This system issues RFID cards with varying levels of access to individuals based on their identities, enabling granular control over various functional areas within the venue. However, in practice, existing access control methods have limitations, particularly when responding to emergencies. In the event of an emergency, such as a fire or security alarm, the security system typically implements the highest level of pre-set emergency response, such as a mandatory lockdown of critical areas or the entire venue. In this case, all standard RFID card access permissions are suspended to ensure the highest level of security isolation. While this one-size-fits-all lockdown strategy ensures security, it can lead to new challenges in complex situations and make the system lack the necessary flexibility.

[0003] In view of the above problems, the existing technology is in urgent need of improvement. Summary of the Invention

[0004] The purpose of the present invention is to address the above-mentioned shortcomings and propose a temporary authority hierarchical management method and system based on RFID.

[0005] The present invention adopts the following technical solutions: A temporary authority hierarchical management method based on RFID, the method comprising the following steps: S1: When an emergency event that triggers a global lockdown state is detected, the control center generates a path guidance instruction based on the evacuation path definition containing multiple ordered access control points. The path guidance instruction includes a path identifier, the next access control point identifier, and the authorization validity period. S2: Send the path guidance instruction to the starting access control point in the path definition; S3: After receiving the path guidance instruction, the starting access control point enters the guidance standby state. In the guidance standby state, it responds to the trigger of any identity credential, performs a one-time door opening action, and sends a relay activation signal to the next access control point based on the path guidance instruction; S4: After receiving the relay activation signal, the next access control point enters the relay standby state from the blocked state; S5: In the relay standby state, the next access control point responds to the trigger of any identity credential, performs a one-time door opening action, and continues to transmit the relay activation signal to the access control point located after the next access control point in the path definition; S6: Each access control point returns to the blocked state after completing the corresponding relay activation signal transmission.

[0006] Through the above solution, temporary, controlled, and directional traffic capacity can be provided for the preset evacuation path in the global blockade state, thereby improving the efficiency and safety of emergency evacuation, while maintaining the blockade status of other areas and enhancing the flexibility of the system.

[0007] Furthermore, the present application also proposes that S3 includes the following steps: In response to any identity credential trigger, it sends a door opening command to the door drive component associated with the starting access control point, and obtains the physical status information returned by the status sensor associated with the door; According to the physical status information, determine whether the door is in the open position; When the judgment result is yes, the initial access control point is controlled to send a relay activation signal to the next access control point.

[0008] Through the above solution, it is ensured that the relay signal is sent only after the door is actually opened, thereby improving system reliability.

[0009] Furthermore, the present application also proposes that S3 includes the following steps: Respond to any identity credential trigger and determine whether the trigger is the first trigger in the boot standby state; If the judgment result is yes, the door opening action is executed, a relay activation signal is sent to the next access control point, and a timer for suppressing subsequent trigger responses is started; During the timing period, if a subsequent identity credential trigger is received, the door opening action is not performed and the relay activation signal is not sent.

[0010] With the above solution, subsequent triggering is suppressed by timing, which avoids repeated door opening and signal sending and improves the stability of the system.

[0011] Furthermore, the present application also proposes that in step S5, when a path reassignment requirement is detected, an authority reassignment instruction is sent to the next access control point. The authority reassignment instruction is used to instruct the next access control point to forward the relay activation signal to another preset access control point when the relay activation signal is transmitted, so that the other access control point enters the relay standby state from the blocked state.

[0012] The above solution provides the capability of dynamic route reassignment, thus enhancing the flexibility of emergency evacuation.

[0013] Furthermore, the present application also proposes that, in step S5, the next access control point starts a timer for receiving a forwarding confirmation message after forwarding the relay activation signal to another access control point; If no forwarding confirmation information is received from another access control point before the timer times out, it is determined that the relay activation signal forwarding has failed, and a failure notification is sent to the control center; After receiving the failure notification, the control center sends a remediation activation instruction to another access control point, so that the other access control point enters the relay standby state from the blocking state.

[0014] Through the above solution, forwarding confirmation and remediation mechanisms are added, which improves the success rate and reliability of path reassignment.

[0015] Furthermore, the present application also proposes that when another preset access control point receives a rescue activation instruction or a relay activation signal, the other preset access control point extracts a path identifier corresponding to the evacuation path from the received rescue activation instruction or relay activation signal; The other preset access control point determines, based on the extracted path identifier, whether the other preset access control point is already in a relay standby state corresponding to the extracted path identifier; When the judgment result is no, another preset access control point is controlled to enter a relay standby state corresponding to the extracted path identifier.

[0016] Through the above solution, it is ensured that the reassigned access control point correctly enters the corresponding relay standby state, avoiding state confusion.

[0017] Furthermore, the present application also proposes that S6 includes the following steps: After sending the relay activation signal, wait for the confirmation information returned by the next access control point, which is used to indicate that the next access control point has entered the relay standby state; After receiving the confirmation message, the starting access control point returns to the blocked state.

[0018] Through the above scheme, by waiting for confirmation information and then restoring the blockade, the successful transmission of the relay signal is ensured and the reliability of the system is improved.

[0019] Furthermore, the present application also proposes that S6 also includes the following steps: If no confirmation information is received within the preset waiting time, it is determined that the relay activation signal has failed to be sent; In response to the determination result, the door associated with the starting access control point is maintained in the open position; A path interruption notification including the identifier of the starting access control point and the identifier of the next access control point is sent to a preset control center.

[0020] Through the above solution, when the relay signal fails to be sent, the door is kept open and the control center is notified, providing a fault handling mechanism and avoiding path interruption.

[0021] Furthermore, the present application also proposes that the step of maintaining the door associated with the starting access control point in the open position includes: While maintaining the door in the open position, monitor the door closing command from the control center; When receiving the door closing command from the control center, the action of maintaining the door in the open position is terminated; Execute the action of closing the door.

[0022] The above solution provides a means for the control center to remotely close the door, thereby enhancing the control capability of the door in a fault state.

[0023] Furthermore, the present application also proposes an RFID-based temporary authority hierarchical management system, which is applied to the above-mentioned RFID-based temporary authority hierarchical management method, and the system includes: A path generation module is used to send a path guidance instruction to the starting access control point according to a path definition including multiple ordered access control points, wherein the path guidance instruction includes information of the next access control point; The initial access control module is used to enter the guidance standby state after receiving the path guidance instruction, respond to the trigger of any identity credential, execute the door opening action, and send a relay activation signal to the next access control point; The relay control module, upon receiving the relay activation signal, switches from the blocked state to the relay standby state; The recovery module restores the starting access control point to the blocked state after sending the relay activation signal; The path interruption module is used to keep the door open and send a path interruption notification to the control center when receiving a path interruption signal; The command processing module is used to receive the path interruption notification and issue the door closing command according to the predetermined emergency operation to terminate the door opening and execute the closing action.

[0024] Through the above solution, a system solution for implementing the above method is provided, which is convenient for actual deployment and application.

[0025] From the above, it can be seen that the present application provides an RFID-based temporary authority hierarchical management method and system, which generates path guidance instructions according to the evacuation path definition in a global blockade state, so that the access control point enters the guidance / relay standby state, responds to any identity credential for a one-time door opening, and transmits access rights through a relay activation signal, thereby maintaining the global blockade while providing temporary, controlled, and directional access capabilities for the preset path. It has the advantage of being able to provide temporary, controlled, and directional access capabilities for the preset evacuation path in a global blockade state, thereby improving the efficiency and safety of emergency evacuation, while maintaining the blockade status of other areas and enhancing the flexibility of the system.

[0026] To further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and illustration and are not intended to limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a flow chart of the method of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention. DETAILED DESCRIPTION

[0028] The following is an explanation of the embodiments of the present invention through specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the contents disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and the details in this specification can also be modified and changed based on different viewpoints and applications without departing from the spirit of the present invention. In addition, the drawings of the present invention are only for simple schematic illustrations and are not depicted according to actual dimensions. It is stated in advance. The following embodiments will further explain the relevant technical contents of the present invention in detail, but the disclosed contents are not intended to limit the scope of protection of the present invention.

[0029] This embodiment provides a temporary authority hierarchical management method and system based on RFID, combined with Figure 1 and Figure 2 shown.

[0030] refer to Figure 1 , a temporary authority hierarchical management method based on RFID, the method comprising the following steps: S1: When an emergency event that triggers a global lockdown state is detected, the control center generates a path guidance instruction based on the evacuation path definition containing multiple ordered access control points. The path guidance instruction includes a path identifier, the next access control point identifier, and the authorization validity period. S2: Send the path guidance instruction to the starting access control point in the path definition; S3: After receiving the path guidance instruction, the starting access control point enters the guidance standby state. In the guidance standby state, it responds to the trigger of any identity credential, performs a one-time door opening action, and sends a relay activation signal to the next access control point based on the path guidance instruction; S4: After receiving the relay activation signal, the next access control point enters the relay standby state from the blocked state; S5: In the relay standby state, the next access control point responds to the trigger of any identity credential, performs a one-time door opening action, and continues to transmit the relay activation signal to the access control point located after the next access control point in the path definition; S6: Each access control point returns to the blocked state after completing the corresponding relay activation signal transmission.

[0031] Global lockdown, in particular, places the system in isolation mode, the highest level of security. Conventional authentication and access controls are suspended or overridden to restrict personnel movement. This can be achieved by a central control system issuing unified commands to all access control points, such as forcibly locking all doors and rejecting any credential scan requests. This is primarily intended to quickly establish physical isolation and ensure regional security in the event of an emergency.

[0032] An emergency is an unplanned event that requires an emergency response. This can include fire alarms, security alarms, equipment failures, and more. Its primary purpose is to trigger the system's emergency response plan and enter a specific operating mode.

[0033] A control center is the entity responsible for the centralized management and coordination of the entire access control or security system. This can be implemented as one or more servers, dedicated hardware controllers, or a software platform. Its primary functions are to receive event information, store configuration data, and generate and distribute control commands to various access control points.

[0034] Sequential access control points are multiple access control devices arranged in a pre-set sequence. They can include access control terminals equipped with RFID readers, door actuators, and status sensors. They are primarily used to define a specific path within a space, ensuring that personnel can only move along that path.

[0035] An evacuation route definition is a data structure preconfigured in the control center that contains the sequence of access control points that form an evacuation corridor. It can be stored in a list, array, or database record format. It is primarily used to quickly specify an available emergency evacuation route when needed.

[0036] Route guidance instructions are data messages generated by the control center and sent to access control points. They include information such as the route identifier, the next access control point identifier, and the authorization validity period. They are primarily used to initiate the activation process of an evacuation route and provide necessary guidance information to access control points along the route.

[0037] The guidance standby state is a special operating mode entered by the starting access control point in an evacuation route after receiving a guidance command. In this state, the access control point is ready to respond to triggers from any identity credential. This primarily allows the starting point of the evacuation route to be activated by any person, initiating the evacuation process.

[0038] Any credential is any identification medium detected by a reader at an access control point. This can include RFID cards with varying levels of authorization, or even cards with no valid authorization. This is primarily intended for emergency situations, allowing access requests to be granted without requiring detailed identification.

[0039] A one-time door opening action occurs when the access control point opens the door once in response to a trigger. This action can cause the door to close immediately after opening, automatically after a preset time, or only allow the door to open again after it closes. This is primarily intended to allow the door to close immediately after allowing a person through, preventing non-evacuees from entering or straying from the path.

[0040] A relay activation signal is a data signal sent from one access control point to the next access control point along an evacuation route. This signal notifies the next access control point to enter a standby state. This signal is primarily used to enable the sequential activation of evacuation routes, creating a one-way passageway.

[0041] The relay standby state is a special operating mode entered by all access control points along the evacuation path, except the initial access control point, upon receiving a relay activation signal. In this state, the access control points are ready to respond to triggers from any identity credential. This primarily enables subsequent access control points along the evacuation path to be activated sequentially, allowing evacuees to pass through.

[0042] Restoring to a blocked state means that after completing its mission within the evacuation path, the access control point returns to a globally blocked state. This allows the access control point to resume its highest-security isolation function after evacuees have passed through and the relay activation is complete, maintaining the safety of other areas of the venue.

[0043] The core innovation of this application lies in that, by introducing the definition of an evacuation path based on orderly access control points under the global blockade state, and utilizing the step-by-step transmission mechanism of path guidance instructions and relay activation signals, combined with the access control point's response to any identity credentials and one-time door opening action, a temporary, controllable, one-way evacuation channel is opened for people with mixed identities without lifting the global blockade, thereby achieving the effect of quickly responding to emergencies, ensuring the safe evacuation of personnel while maintaining safe isolation of other areas.

[0044] The solution of this application achieves its functionality through the following steps: When the system detects an emergency event that triggers a global lockdown state, the control center generates a path guidance instruction based on a predefined evacuation path consisting of multiple sequential access control points. This instruction includes information identifying the path, the identifier of the next access control point along the path, and the validity period of the path. The control center then sends this path guidance instruction to the starting access control point along the evacuation path. Upon receiving the instruction, the starting access control point transitions from a global lockdown state to a guidance standby state. In the guidance standby state, the starting access control point can respond to any identity credential triggering a one-time door opening action, allowing personnel to pass. Simultaneously, based on the received path guidance instruction, the starting access control point sends a relay activation signal to the next access control point defined along the path. Upon receiving this relay activation signal, the next access control point also transitions from a global lockdown state to a relay standby state. In relay standby mode, the access control point can also respond to any identity credential trigger, perform a one-time door opening, and then continue to transmit the relay activation signal to the access control point following it in the path. This process is repeated along the access control points along the evacuation path, forming a relay transmission chain of activation signals. After each access control point completes sending the relay activation signal to the next access control point, it returns to the global lockdown state. This mechanism of step-by-step activation, one-time access, and timely restoration of the lockdown ensures that evacuees can pass through the pre-set path in sequence, preventing them from arbitrarily entering other areas along the path, while maintaining the lockdown status of areas not included in the evacuation path.

[0045] In some preferred embodiments, the present application is implemented as follows: Suppose a fire alarm in a large venue triggers a global system lockdown. Based on a pre-set emergency plan, the control center selects an evacuation route from the main exhibition hall to the emergency exit, sequentially passing through access points A, B, and C. The control center generates a route guidance instruction containing the route identifier "EVAC-HALL1-EXIT2," the next access point identifier "Access Point B," and a validity period of "15 minutes," and sends it to access point A. After receiving the instruction, access point A's controller enters a guidance standby state. At this point, any person holding an RFID card, regardless of their existing access rights, who swipes their card in front of the reader at access point A will trigger an opening action at access point A, for example, unlocking the electromagnetic lock for a few seconds before automatically locking it. Simultaneously, access point A's controller sends a relay activation signal to access point B via the network, containing the route identifier "EVAC-HALL1-EXIT2." After receiving this signal, the controller at access point B switches from a blocked state to a relay standby state, ready to respond to any card swipe trigger. When a person passes through access point A, the controller at access point A returns to a blocked state. Subsequently, the person arrives at access point B and triggers access point B by swiping a card. Access point B performs a door opening action and sends a relay activation signal to access point C. Access point C receives the signal and enters a relay standby state. Access point B resumes blocking after sending the signal. As people pass through access point C, access point C performs a door opening action. Since it is the end point of the path, it may not send any more relay signals and returns to a blocked state after opening the door. This entire process forms a temporary passageway, accessible only along the pre-set path.

[0046] The above technical solution provides a temporary, controllable evacuation path for evacuees after an emergency triggers a global lockdown. This method allows a diverse group of people to trigger access control using any identity, resolving the issue of pre-authorized access. Relay activation and a one-time door opening ensure that people are restricted to a single, pre-set path and are prevented from entering other non-open rooms along the path, enhancing the safety of the evacuation process. Furthermore, the entire process does not require the removal or modification of the mandatory lockdown status in the remaining areas of the venue, maintaining the security level of these areas and avoiding unnecessary safety risks.

[0047] This application further proposes to include the following steps in S3: In response to any identity credential trigger, it sends a door opening command to the door drive component associated with the starting access control point, and obtains the physical status information returned by the status sensor associated with the door; According to the physical status information, determine whether the door is in the open position; When the judgment result is yes, the initial access control point is controlled to send a relay activation signal to the next access control point.

[0048] Among them, any identity credential trigger refers to the access control point receiving any signal input for identity recognition or permission verification, which can be an RFID reader sensing an RFID card, a biometric device recognizing a biometric feature, or a password input device receiving a password input. Its purpose is to initiate the access control system's response process; The door drive component refers to the actuator responsible for performing the physical opening and closing action of the door, which can be an electric push rod, hydraulic cylinder, electromagnetic lock or motor-driven mechanical arm. Its purpose is to change the physical state of the door according to the received instructions; Among them, the state sensor refers to a sensing device used to monitor the physical position or state of the door body in real time. Specifically, it can be a travel switch, proximity sensor, photoelectric sensor or angle encoder. Its purpose is to provide objective data on the current state of the door body; The physical state information refers to the data collected by the state sensor that reflects the current physical state of the door body. Specifically, it can be information about whether the door body is in the fully open position, the opening angle of the door body, or whether the door body is blocked. Its purpose is to provide a basis for the system to determine the state of the door body. Among them, the open position means that the door body has moved to a physical position or state that allows people to pass normally. Specifically, the door body can be fully opened, the door body has moved to a preset opening angle, or the locking mechanism on the door body has been released. The purpose is to ensure that the passage is unobstructed.

[0049] The solution of the present application first sends a door opening command to the associated door drive component and attempts to open the door after receiving a trigger from any identity credential at the starting access control point. At the same time, the system obtains the physical status information returned by the status sensor associated with the door, which reflects the actual physical status of the door. Based on the obtained physical status information, the system determines whether the door has reached the preset opening position. Only when the judgment result confirms that the door is indeed in the open position will the starting access control point send a relay activation signal to the next access control point in the path. This mechanism ensures that the sending of the relay activation signal is synchronized with the actual opening status of the door, avoiding the erroneous activation of the next access control point when the door is not open. It is precisely because of the addition of the verification link for the actual opening status of the door that the relay process of the entire evacuation path is more reliable, improving the efficiency and safety of personnel evacuation in emergency situations.

[0050] In some preferred embodiments, when the originating access control point is in the guidance standby state, for example, after receiving a route guidance command from the control center, if any identity credential, such as an employee RFID card, is detected by the originating access control reader, the originating access control point immediately sends an open command to the electric sliding door motor controlling the door. Simultaneously, a travel switch mounted at the end of the sliding door frame continuously monitors the physical position of the door. When the electric sliding door motor drives the door to the fully open position, the door edge triggers the travel switch, which then returns a physical status message indicating "door open" to the originating access control point. Upon receiving this message, the originating access control point determines that the door is indeed in the open position. Only if this determination is "yes" will the originating access control point send a relay activation signal via the network or dedicated communication line to the next predetermined access control point in the route, notifying it to enter the relay standby state.

[0051] The above-mentioned technical solution adds a step to determine the actual physical state of the door when the initial access control point responds to the identity credential trigger to execute the door opening action. The system no longer relies solely on the issuance of the door opening command. Instead, it obtains the physical state information returned by the status sensor and confirms that the door is indeed in the open position before sending the relay activation signal. This effectively prevents the situation where subsequent access control points mistakenly enter the relay standby state due to the door's failure to open successfully. This ensures that each access control point on the evacuation path activates the next point only when the door is actually passable, improving the reliability and smoothness of the entire evacuation process and ensuring that people can effectively evacuate along the preset route in an emergency.

[0052] This application further proposes to include the following steps in S3: Respond to any identity credential trigger and determine whether the trigger is the first trigger in the boot standby state; If the judgment result is yes, the door opening action is executed, a relay activation signal is sent to the next access control point, and a timer for suppressing subsequent trigger responses is started; During the timing period, if a subsequent identity credential trigger is received, the door opening action is not performed and the relay activation signal is not sent.

[0053] Determining whether the trigger is the first trigger in the guidance standby state refers to identifying the first valid identity credential trigger signal received after the access control point enters the guidance standby state. This can be achieved by maintaining a status flag, which is set to an initial value upon entering the guidance standby state and modified after the first trigger is received and processed. This serves to distinguish subsequent repeated trigger signals. Initiating a timer to suppress subsequent trigger responses refers to activating a timer or timing mechanism that remains active within a set time window. This can be achieved through a software timer or hardware timer, which sets a time interval during which subsequent trigger signals are ignored. During the timer period, if a subsequent identity credential trigger is received, the door opening action will not be executed and the relay activation signal will not be sent. This means that during the timer's active period, even if the access control point receives a new identity credential trigger signal, the system will not execute the door opening action or send the relay activation signal to the next access control point. This is to prevent redundant operations caused by repeated triggers within a short period of time.

[0054] The solution of this application first determines whether the trigger is the first in the guidance standby state when responding to any identity credential trigger. If it is the first trigger, the door is opened and a relay activation signal is sent to the next access control point, simultaneously starting a timer. During the timer's validity period, any subsequent identity credential triggers received are ignored, and the door opening and signal transmission actions are not executed. This mechanism ensures that after the access control point enters the guidance standby state, it will only respond to the first valid trigger within a set time window, performing a single door opening and signal transmission. After the timer expires, the access control point can return to a state capable of responding to a new first trigger (if the evacuation route process has not yet completed). This solution, combined with the basic evacuation route guidance and relay activation mechanisms, ensures more stable and orderly operation of temporarily opened evacuation routes in emergency evacuation scenarios, avoiding repeated opening and closing of access control points and signal confusion caused by crowding or misoperation. This effective suppression of repeated triggers improves the efficiency and safety of the entire evacuation process.

[0055] In some preferred embodiments, specifically, after the starting access control point receives the path guidance instruction and enters the guidance standby state, a state variable within the system, for example named `isFirstTriggerHandled`, is initialized to false. When an identity credential is read and triggers access control, the system first checks the status of `isFirstTriggerHandled`. If `isFirstTriggerHandled` is false, it is determined to be the first trigger. At this time, the access control controller sends a door opening instruction to the associated door drive component and sends a relay activation signal to the next access control point specified in the path guidance instruction through the communication interface. At the same time, a software timer is started, set to a timing length of, for example, 15 seconds, and `isFirstTriggerHandled` is set to true. Within the next 15 seconds, if the system receives an identity credential trigger signal again, the controller checks `isFirstTriggerHandled` and finds it to be true, then the actions of opening the door and sending the relay activation signal are not performed. After the 15 seconds have passed, the timer callback function can reset `isFirstTriggerHandled` to false in order to respond to a new first trigger in the next time window (if necessary).

[0056] This technical solution effectively avoids redundant door openings and repeated relay activation signal transmissions caused by repeated access control point triggering within a short period of time. This reduces inefficient use of system resources, improves the access control system's response efficiency and stability, reduces equipment wear and safety risks associated with repeated operations, and ensures the reliability of temporary routes in emergency evacuation scenarios.

[0057] The present application further proposes that in step S5, when a path reassignment requirement is detected, an authority reassignment instruction is sent to the next access control point. The authority reassignment instruction is used to instruct the next access control point to forward the relay activation signal to another preset access control point when the relay activation signal is transmitted, so that the other access control point enters the relay standby state from the blocked state.

[0058] Among them, the path reassignment demand refers to the signal or indication that the currently being executed evacuation path needs to be changed. It can be generated by manual input, automatic system detection, or linkage with other security systems. Its purpose is to respond to emergencies and adjust the evacuation direction; the authority reassignment instruction refers to the instruction sent by the control center or other decision-making unit to the access control point to modify its relay activation signal forwarding target. It can include the new target access control point identification, reassignment effectiveness conditions and other information. Its purpose is to change the transmission direction of the relay activation signal; the preset other access control point refers to the access control point designated as the new relay activation signal recipient when the path reassignment demand occurs. It can be pre-configured during system initialization, or dynamically determined by the control center when the path reassignment demand is detected. Its purpose is to provide an alternative evacuation path entrance.

[0059] The solution of this application introduces a path reassignment function based on the existing access control relay activation evacuation mechanism, achieving dynamic adjustment of evacuation routes. In the basic solution, the relay activation signal is transmitted step by step along a pre-set, ordered path, driving the access control points to open sequentially. When a path reassignment is detected, such as when an abnormality occurs at the next access control point on the original path, the system no longer simply waits or fails. Instead, it sends an authorization reassignment instruction to the next access control point. This instruction changes the behavior of the next access control point, so that upon receiving the relay activation signal from the previous access control point, it no longer passes the signal to the next access control point on the original path as planned. Instead, it forwards the relay activation signal to another pre-set access control point according to the authorization reassignment instruction. Upon receiving the forwarded relay activation signal, this other access control point switches from a blocked state to a relay standby state, becoming the starting point or intermediate node of a new evacuation route. This mechanism enables the system to smoothly direct evacuees to a new, available path without interrupting the already initiated evacuation process. In this way, the present application overcomes the problem of the basic solution's lack of flexibility in the face of path obstacles, and improves the reliability and adaptability of the evacuation system.

[0060] In some preferred embodiments, a specific example is provided below. Assume that a planned evacuation route passes through access control points A, B, and C. According to the basic solution, after receiving the route guidance command, access control point A responds to a trigger to open and sends a relay activation signal to access control point B. After receiving the signal, access control point B enters a relay standby state, responds to a trigger to open, and sends a relay activation signal to access control point C. Now, if while access control point B is in relay standby, the system detects that access control point C has failed and cannot open normally, thus generating a need for route reassignment, the control center can send an authority reassignment command to access control point B. This command instructs access control point B, upon receiving the relay activation signal from access control point A (or after it is already in relay standby and responds to a trigger), to stop sending the relay activation signal to access control point C and instead forward it to another pre-defined access control point D, which is located on a backup evacuation route. After receiving the relay activation signal forwarded by access control point B, access control point D enters the relay standby state from the blocked state, ready to respond to the trigger, thereby switching the evacuation path from A->B->C to A->B->D->...

[0061] Through the above technical solution, the present application can quickly and flexibly adjust the evacuation path when an obstacle occurs on the original evacuation path during an emergency evacuation process, and forward the relay activation signal to the access control point on the backup path, thereby ensuring the continuity and effectiveness of the evacuation process and improving the response capability and safety of the evacuation system.

[0062] The present application further proposes that in step S5, the steps of the next access control point include: After forwarding the relay activation signal to another access control point, starting a timer for receiving a forwarding confirmation message; If no forwarding confirmation information is received from another access control point before the timer times out, it is determined that the relay activation signal forwarding has failed, and a failure notification is sent to the control center; After receiving the failure notification, the control center sends a remediation activation instruction to another access control point, so that the other access control point enters the relay standby state from the blocking state.

[0063] Among them, starting the timer for receiving forwarding confirmation information refers to starting a timer to monitor whether a specific response information is received within a preset time window. Specifically, a fixed timer duration can be set. Its purpose is to promptly detect anomalies in the signal forwarding process. Forwarding confirmation information refers to information sent back by the access control point that receives the forwarded signal, indicating that it has successfully received and processed the signal. Specifically, it can be a data packet containing a specific identifier or status code. Its purpose is to provide successful feedback to the sender. Determining the failure of relay activation signal forwarding refers to determining whether the signal transmission is successful based on whether the forwarding confirmation information is received before the timer expires. Specifically, it can be achieved by checking the timer status and whether a specific response message is received. Its purpose is to identify situations where the signal has not been effectively delivered. Failure notification refers to reporting information to the upper control system that the signal forwarding failed successfully. Specifically, it can be an alarm message containing the reason for the failure, information related to the access control point identification, etc. Its purpose is to trigger the control center to take subsequent remedial measures. A remedial activation instruction is an instruction sent directly from the control center to the target access control point to force it to enter a specific working state. Specifically, it can be a control command containing a target state identifier and a path identifier. Its purpose is to bypass the failed forwarding link and directly restore the path function.

[0064] The solution of the present application adds a timer waiting for confirmation link after the access control point attempts to forward the relay activation signal, so that the access control point can actively detect whether the forwarding is successful. Once the timer times out and no confirmation is received, the forwarding is determined to have failed, and the situation is promptly fed back to the control center. After receiving the failure notification, the control center no longer relies on the relay forwarding between access control points, but directly sends a remedial activation instruction to the expected next access control point. This mechanism adds a fault tolerance and remedial layer for forwarding failures on the basis of the original relay activation and path reassignment scheme based on path definition. Through the direct intervention of the control center, the communication link between access control points that may have problems can be effectively bypassed to ensure that the target access control point can be activated and enter the relay standby state, thereby ensuring the continuity and reliability of the evacuation path and avoiding the interruption of the entire path due to the forwarding failure of the intermediate link.

[0065] In some preferred embodiments, specifically, assume that an evacuation route is initially defined as passing through access control points A, B, and C. During the evacuation process, the control center detects that the route needs to be rerouted to pass through access control points A, B, and D. The control center sends an authority reassignment instruction to access control point B, instructing it to forward the relay activation signal received from access control point A to access control point D. Upon receiving the relay activation signal from access control point A, access control point B attempts to send a message containing the relay activation information to access control point D via the network. After sending this message, access control point B immediately starts a timer, for example, with a set waiting time of 5 seconds, to receive a forwarding confirmation message from access control point D. If access control point B fails to receive a forwarding confirmation message from access control point D within the set 5 seconds, access control point B determines that the relay activation signal forwarding to access control point D has failed. Access control point B then generates a failure notification containing the identifiers of access control points B and D, as well as a forwarding failure status code, and sends this notification to the control center. Upon receiving the failure notification from Access Control Station B, the control center immediately generates a remediation activation command containing a path identifier and a command instructing Access Control Station D to enter relay standby mode. This command is then sent directly to Access Control Station D via the network. Upon receiving the remediation activation command from the control center, Access Control Station D transitions from its current blocked state to relay standby mode, successfully establishing a path connection from Access Control Station B to Access Control Station D and ensuring a clear evacuation route.

[0066] Through the above technical solution, when the relay activation signal forwarding fails, the problem can be discovered in time and remedied through direct intervention of the control center, ensuring that the expected access control point can enter the relay standby state, effectively avoiding the interruption of the evacuation path due to forwarding failure, and improving the reliability of the system in path re-dispatching in emergencies.

[0067] This application further proposes a technical solution to the above problem, which includes the following steps: When another preset access control point receives a rescue activation instruction or a relay activation signal, the other preset access control point extracts a path identifier corresponding to the evacuation path from the received rescue activation instruction or relay activation signal; The other preset access control point determines, based on the extracted path identifier, whether the other preset access control point is already in a relay standby state corresponding to the extracted path identifier; When the judgment result is no, another preset access control point is controlled to enter a relay standby state corresponding to the extracted path identifier.

[0068] In the above steps, some technical features require explanation. A path identifier refers to information used to uniquely identify an evacuation path, which can be implemented as a digital code, a string, or other unique identifier. The relay standby state corresponding to the extracted path identifier refers to the state in which the access control point enters a state in which it is ready to respond to a trigger and transmit an activation signal in response to a received specific path identifier. This can be understood as the access control point being activated and associated with a specific evacuation path.

[0069] The solution of this application achieves precise control of the state of access control points through the coordinated implementation of the above steps. Specifically, its operating principle is as follows: This application solves the aforementioned problem because, upon receiving an activation command (a remedial activation command or a relay activation signal) from another predetermined access control point, rather than directly changing its own state, it extracts a path identifier from the command. This path identifier allows the access control point to identify the specific evacuation route for which the command was issued. Based on this extracted path identifier, the access control point determines whether it is currently in the relay standby state corresponding to that path identifier. This determination process is crucial, allowing the access control point to check whether it has already been activated by a command for the same route. Only if the determination is negative, meaning that the access control point has not yet entered the relay standby state for that specific route, does it execute a state transition, controlling itself to enter the relay standby state corresponding to the extracted path identifier. This path identifier-based state determination mechanism effectively avoids duplicate activations caused by receiving repeated activation commands for the same route, as well as state conflicts or erroneous activations that may occur when receiving commands for different routes.

[0070] To more clearly illustrate the technical solution of the present application, a specific example is provided below. In some preferred embodiments, another preset access control point can be configured with a communication module for receiving a remedial activation instruction or a relay activation signal. These instructions or signals can use a specific data packet format, which includes a field for storing a path identifier. After receiving the data packet, the processing unit within the access control point parses the data packet and reads the path identifier from a preset field. The processing unit can maintain an internal status register or storage area to record which path identifiers the current access control point has entered the relay standby state for. Based on the read path identifier, the processing unit queries the internal status record. If the query result indicates that the state corresponding to the path identifier has not yet been activated, the processing unit updates the internal status record and switches the operating state of the access control point to the relay standby state corresponding to the path identifier. If the query result indicates that the state corresponding to the path identifier is already in the activated state, the processing unit discards the instruction and does not perform the state switching operation.

[0071] Through the above technical solution, the present application can effectively solve the problems existing in the prior art and bring positive technical effects. Specifically, when another preset access control point receives an activation command, it can identify the evacuation path to which the command belongs and determine whether it is already in standby status for that path. This effectively avoids the confusion of access control status caused by repeated receipt of the same command or simultaneous receipt of different commands, and ensures that the access control point only enters the relay standby state for specific evacuation paths that have not been activated. This improves the accuracy and reliability of the access control system in path reassignment or remedial activation scenarios, helps maintain the effectiveness of the preset evacuation path, and ensures the efficiency and safety of personnel evacuation.

[0072] The present application further proposes that S6 includes the following steps: After sending the relay activation signal, wait for the confirmation information returned by the next access control point, which is used to indicate that the next access control point has entered the relay standby state; After receiving the confirmation message, the starting access control point returns to the blocked state.

[0073] Confirmation information refers to specific data or signals returned by the next access control point, indicating that it has successfully received the relay activation signal and entered the relay standby state. This information can be implemented using specific message types or data packets in the network communication protocol. Its purpose is to provide a mechanism for the sender to verify the success of the receiver's state transition. The relay standby state refers to a temporary operating mode that the access control point enters after receiving the relay activation signal. In this mode, the access control point responds to any identity credential trigger and performs a one-time door opening action. This information can be implemented using a software state machine or control logic, and its purpose is to allow non-specific personnel to pass through the access control. The blocked state refers to the default security mode of the access control point in normal or emergency situations. In this mode, the access control point rejects scan requests for regular identity credentials. This information can be implemented using a software state machine or control logic, and its purpose is to restrict the passage of personnel.

[0074] The solution of this application does not immediately return to the blocked state after the initial access control point sends a relay activation signal. Instead, it waits for a confirmation message from the next access control point, indicating that the next access control point has successfully entered the relay standby state. Only after receiving this confirmation message does the initial access control point return to the blocked state. This mechanism ensures that before the initial access control point completes its task and exits the guidance standby state, the next access control point has successfully entered the relay standby state and is ready to respond to subsequent identity credential triggers. This avoids interruptions to the evacuation route caused by the failure of the relay activation signal to be successfully transmitted or the failure of the next access control point to correctly transition to a new state.

[0075] In some preferred embodiments, it is assumed that the first access control point on the evacuation path is access control A, and the next access control point is access control B. When access control A sends a relay activation signal to access control B according to the path guidance instruction, the signal can be a network data packet containing a specific protocol header and the access control B identifier, which is sent through the local area network inside the venue. After the sending is completed, the control program of access control A enters a waiting loop and listens for a specific response from access control B. After receiving the data packet, access control B parses the instructions therein, migrates its internal state machine from the locked state to the relay standby state, and sends a confirmation data packet to access control A. The data packet can contain the access control A identifier and a status code indicating that the operation is successful. After receiving this confirmation data packet, access control A parses and verifies its validity, confirming that access control B has successfully entered the relay standby state. At this time, the control program of access control A restores its own state to the locked state and can execute the action of closing the door body.

[0076] With this technical solution, after the initial access control point sends the relay activation signal, it waits for and receives confirmation from the next access control point. This ensures that the relay activation signal has been successfully delivered and that the next access control point has successfully entered the relay standby state. This effectively resolves the issue of the initial access control point being unable to determine the success of the relay process, avoids interruptions to the evacuation route due to information asymmetry or relay failures, and thus improves the reliability and safety of the entire temporary evacuation route activation process.

[0077] The present application further proposes that S6 also includes the following steps: If no confirmation information is received within the preset waiting time, it is determined that the relay activation signal has failed to be sent; In response to the determination result, the door associated with the starting access control point is maintained in the open position; A path interruption notification including the identifier of the starting access control point and the identifier of the next access control point is sent to a preset control center.

[0078] Among them, the preset waiting time refers to the longest allowed time interval for the system to receive confirmation information after sending the relay activation signal, which can be configured according to factors such as network environment and device response speed; confirmation information refers to the message returned by the next access control point to indicate that it has successfully received the relay activation signal and entered the relay standby state, which can include path identification, sender identification, receiver identification and other information; judging that the relay activation signal has failed to be sent means that after the preset waiting time, the system still has not received confirmation information from the next access control point, thereby inferring that the signal has not been successfully transmitted or the other party has failed to respond correctly, which can be triggered based on the timer timeout event; maintaining the door body associated with the starting access control point in the open state The start position means that after determining that the signal transmission has failed, the system takes measures to keep the door associated with the current access control point in the open state, instead of restoring the blockade as originally planned. This can be achieved by continuously sending door opening instructions to the door drive components, locking the door status, or preventing the door from closing automatically. The preset control center refers to the central management platform responsible for the management of the entire access control system and emergency response, which can be a physical server cluster or a software system. The path interruption notification refers to the alarm information sent by the starting access control point to the control center to report the failure of the relay activation signal to be sent and the possible interruption of the evacuation path. It can include the identification of the access control point where the fault occurred and the identification of the next access control point expected to receive the signal.

[0079] The solution of this application sets a preset waiting time after sending a relay activation signal and determines that the transmission has failed if no confirmation information is received within this time, thereby promptly identifying potential fault points in the relay chain. Precisely because of the timely detection of transmission failure, the system does not execute the original operation to restore the blockade state. Instead, it responds to the determination result and maintains the door associated with the starting access control point in the open position. This ensures that the current access control point does not become an obstruction to the evacuation path and maintains the connectivity of the path. At the same time, by sending a path interruption notification containing the identifier of the starting access control point and the identifier of the next access control point to the preset control center, fault information is accurately reported to the control center. This mechanism prevents evacuation path interruption when an anomaly occurs during the relay activation signal transmission process and provides the control center with necessary fault information so that it can take further emergency measures, such as retrying activation, adjusting the evacuation path, or performing manual intervention. The entire process improves the reliability of the evacuation path and the efficiency of emergency response without affecting the blockade status of other areas.

[0080] In some preferred embodiments, after an emergency occurs, the control center sends a route guidance command to the starting access control point A based on the evacuation route definition. After receiving the command, access control point A enters a guidance standby state. When someone passes through access control point A, access control point A performs a door opening action and sends a relay activation signal to the next access control point B in the route definition. Access control point A starts a timer, for example, with a preset waiting time of 5 seconds, and waits for a confirmation message from access control point B. If access control point A does not receive a confirmation message from access control point B within 5 seconds, the processor of access control point A determines that the relay activation signal has failed. In response to this determination, access control point A continues to send door opening commands to its connected door drive components to ensure that the door remains open. Simultaneously, access control point A sends a route interruption notification message to the pre-defined control center via a network connection. This message contains the identifiers of access control point A (e.g., "ID_A") and access control point B (e.g., "ID_B"), as well as a status code indicating route interruption. After receiving this notification, the control center can display on its management interface that there is a problem with the path segment between access control point A and access control point B, and trigger a corresponding alarm or automated processing process.

[0081] This technical solution allows for timely detection of faults and maintenance of access control systems in the event of a relay activation signal failure, preventing interruption of evacuation routes. Furthermore, accurate fault information is reported to the control center, supporting subsequent emergency response and improving the reliability and emergency response capabilities of the entire evacuation system.

[0082] The present application further proposes that the steps of maintaining the door body associated with the initial access control point in the open position include: While maintaining the door in the open position, monitor the door closing command from the control center; When receiving the door closing command from the control center, the action of maintaining the door in the open position is terminated; Execute the action of closing the door.

[0083] Among them, monitoring the door closing command from the control center means that the access control point continuously monitors the communication link between the access control point and the control center to receive specific door control commands. This can be achieved through polling communication, interrupt-driven communication, or a message queue-based communication mechanism. Its purpose is to promptly obtain door status change instructions from the control center. Terminating the action of maintaining the door in the open position means stopping the instruction to keep the door open to the door drive component or disconnecting the power supply that keeps the door open. Executing the action of closing the door means sending an instruction to the door drive component to move the door from the open position to the closed position.

[0084] The solution of this application adds monitoring for door-closing commands from the control center while maintaining the door in the open position. This enables the access control point to receive remote control commands while handling relay activation signal failures and maintaining the door open. When the control center determines that the door needs to be closed based on the actual situation, it can send a door-closing command. Upon receiving this command, the access control point immediately stops maintaining the door open and switches to closing the door. This mechanism goes beyond simply maintaining the door open and instead incorporates a layer of remote control logic. This ensures that, if an emergency evacuation route is interrupted for any reason, the door, while temporarily opened for evacuation, remains in an uncontrollable state. Based on on-site feedback or safety assessments, the control center can intervene and close the door at the appropriate time, preventing the door from remaining open for extended periods without supervision and effectively addressing the potential security vulnerabilities associated with simply maintaining the door open. This solution, combining automatic opening and remotely controlled closing, strikes a balance between ensuring emergency access and maintaining area safety.

[0085] In some preferred embodiments, the access control point can be equipped with a communication module, such as an Ethernet interface or a wireless communication module, for establishing a communication connection with the control center. After determining that the relay activation signal has failed and triggering the door-open maintenance action, the control program within the access control point enters a loop or initiates an interrupt service to continuously check the data stream received through the communication module. This program is designed to recognize door-closing instructions in a specific format or containing specific identifiers. For example, the instruction sent by the control center may be a data packet containing the access control point identifier and a "close" command. Once the access control point receives and parses the door-closing instruction in the pre-set format, the control program immediately stops sending the maintain-open signal to the connected door drive component (such as an electric lock or motor controller) and subsequently sends a signal to close the door. Upon receiving the closing signal, the door drive component drives the door to the closed position.

[0086] Through the above technical solution, when the relay activation signal fails to be sent and the door remains open, the system adds the ability to remotely control the closing of the door, avoiding the door from being open for a long time, reducing potential safety risks, and improving the flexibility and safety of emergency handling.

[0087] In actual applications, after the global blockade state is lifted, the system can be restored to the normal authority verification state (i.e., normal management state). In the normal management state, technical personnel in this field can perform security management and control of the access control according to the specific application scenario and in combination with commonly used anti-tailing detection methods. For example, the door opening retention time (such as 2 to 3 seconds) can be set to automatically trigger an alarm or force the door to close when the door is open and not closed within a timeout period; the number of people passing through the door can also be detected by infrared sensors, pressure sensors, video analysis modules, etc. When it is detected that a single door opening action corresponds to the passage of more than one person, an audible and visual alarm is triggered and an alarm message is sent to the control center. The above-mentioned anti-tailing function is mainly used for passage management when the access control is in the normal authority verification state, and is not applicable to the path relay authorization process under the global blockade emergency evacuation state.

[0088] refer to Figure 2 This application further proposes an RFID-based temporary authority hierarchical management system, which is applied to an RFID-based temporary authority hierarchical management method. The system includes: A path generation module is used to send a path guidance instruction to the starting access control point according to a path definition including multiple ordered access control points, wherein the path guidance instruction includes information of the next access control point; The initial access control module is used to enter the guidance standby state after receiving the path guidance instruction, respond to the trigger of any identity credential, execute the door opening action, and send a relay activation signal to the next access control point; The relay control module, upon receiving the relay activation signal, switches from the blocked state to the relay standby state; The recovery module restores the starting access control point to the blocked state after sending the relay activation signal; The path interruption module is used to keep the door open and send a path interruption notification to the control center when receiving a path interruption signal; The command processing module is used to receive the path interruption notification and issue the door closing command according to the predetermined emergency operation to terminate the door opening and execute the closing action.

[0089] Among them, the path generation module refers to a unit responsible for generating instructions for guiding the access control system to switch states and transmit information based on preset or dynamically generated path information. Specifically, it can be a software program module running on the control center server, whose purpose is to determine the evacuation or passage path and start the access control response mechanism on the path; the starting access control module refers to the access control device located at the starting point of the preset path, which is responsible for receiving path guidance instructions, and entering a specific working state according to the instructions, responding to triggers and executing door opening and information transmission functions. Specifically, it can be a hardware circuit or software logic integrated in the access control controller, whose purpose is to serve as the starting point of the path and start the entire chain response process; the relay control module refers to the access control device other than the starting access control on the path, which is responsible for receiving the activation signal transmitted by the previous access control and changing its own working state according to the signal. Specifically, it can be a state machine logic integrated in the access control controller, whose purpose is to activate the access control on the path in sequence to form a continuous passage. The recovery module refers to the unit responsible for restoring the working state of the access control system to the initial or safe state after the access control system completes its specific task in the path (such as sending a relay activation signal). Specifically, it can be a timer or event-triggered control logic. Its purpose is to ensure that the access control system can be restored to the normal security management state in time after the path is used up. The path interruption module refers to the unit responsible for monitoring the abnormal conditions that may occur in the access control system during the path execution process (such as door body failure, communication failure, etc.) and taking specific response measures when an abnormality is detected. Specifically, it can be an abnormal event listener and reporter. Its purpose is to promptly discover and report problems in the path execution for intervention. The instruction processing module refers to the unit located in the control center or access control device, responsible for receiving abnormal notifications from the path interruption module or other sources, and generating and sending control instructions according to the preset emergency strategy. Specifically, it can be an emergency plan execution engine. Its purpose is to respond to path interruption events, control the access control status, and handle abnormal conditions.

[0090] The solution of this application is implemented by breaking down the RFID-based temporary access hierarchical management method into multiple functional modules. The path generation module generates and sends path guidance instructions based on pre-defined path definitions, initiating the entire process. Upon receiving the instructions, the initial access control module enters a specific state, awaiting a trigger and executing the door opening action. Simultaneously, it sends a relay activation signal to the next access control, passing responsibility for path activation. Upon receiving the relay activation signal, the relay control module changes its state and prepares to respond to the trigger. After the access control completes its activation task, the recovery module restores its state to a safe mode, ensuring that unauthorized personnel cannot pass through. The path interruption module continuously monitors for anomalies during path execution and issues notifications when problems are detected. The command processing module receives anomaly notifications and issues control instructions based on pre-defined emergency plans, such as closing the door, to address the emergency. Through the close collaboration of these modules, the system can quickly and accurately establish a temporary, controlled access path when an emergency triggers a global lockdown, while maintaining the lockdown status of other areas. This effectively solves the technical challenge of ensuring the passage of specific personnel and the evacuation of the crowd while ensuring overall safety in complex emergency scenarios.

[0091] In some preferred embodiments, the present application is implemented as follows. The path generation module can be deployed on a central control server as part of the emergency management software, responsible for storing and managing predefined evacuation path information. When an emergency occurs, the module selects a suitable evacuation path based on the type and location of the event, and generates a path guidance instruction containing the access control sequence and the next access control identification on the path. These instructions are sent to the starting access control device of the path through the network. The starting access control device integrates the functions of the starting access control module, the recovery module and the path interruption module. After receiving the path guidance instruction, the starting access control module changes the access control state to guidance standby. At this time, the access control responds to any RFID card or other trigger signal, controls the door body to open, and sends a relay activation signal to the next access control device on the path through the network. After the starting access control sends the relay activation signal, the recovery module immediately restores the state of the starting access control to the blocked state. The other access control devices on the path, except the starting access control, integrate the functions of the relay control module and the path interruption module. Upon receiving the relay activation signal from the previous access control station, the relay control module transitions from blocked to relay standby, preparing to respond to a trigger. The path interruption module, within any access control device, continuously monitors the door status and communication status. Upon detecting an anomaly (e.g., a door that cannot be opened or communication is interrupted), it maintains the door's current state (e.g., remains open) and sends a path interruption notification to the central control server. Upon receiving the path interruption notification, the command processing module on the central control server, according to pre-set emergency procedures, can send a command, such as a door-closing command, to the access control station that experienced the interruption or other related access control stations, terminating the abnormal state and executing the closing action.

[0092] Through the above technical solution, the present application provides a system based on modular design, which can effectively implement a temporary authority hierarchical management method based on RFID. The path generation module ensures the rapid determination of the evacuation path and the issuance of instructions, laying the foundation for subsequent processes. The collaborative work of the starting access control module and the relay control module realizes the chain activation of the temporary passage path, ensuring the continuity and directionality of the evacuation process. The recovery module promptly restores the used access control to the blocked state, effectively preventing unauthorized personnel from entering, and improving the security of the system. The introduction of the path interruption module and the instruction processing module provides the system with the ability to respond to sudden abnormal situations, such as door failure or communication interruption, by maintaining the door open or handling according to the emergency plan, thereby improving the reliability and fault tolerance of the system. Overall, the system, through the close cooperation of various functional modules, can quickly and reliably open and manage temporary passage paths when an emergency triggers a global blockade, effectively solving the technical problem of how to achieve the passage of specific personnel and the evacuation of the crowd under the premise of maintaining overall safety in complex emergency scenarios.

[0093] The contents disclosed above are only preferred feasible embodiments of the present invention and do not limit the scope of protection of the present invention. Therefore, all equivalent technical changes made using the contents of the present invention description and drawings are included in the scope of protection of the present invention. In addition, the elements therein can be updated as technology develops.

Claims

1. A temporary authority hierarchical management method based on RFID, characterized in that: The method comprises the following steps: S1: When an emergency event that triggers a global lockdown state is detected, the control center generates a path guidance instruction based on the evacuation path definition containing multiple ordered access control points. The path guidance instruction includes a path identifier, the next access control point identifier, and the authorization validity period. S2: Send the path guidance instruction to the starting access control point in the path definition; S3: After receiving the path guidance instruction, the starting access control point enters the guidance standby state. In the guidance standby state, it responds to the trigger of any identity credential, performs a one-time door opening action, and sends a relay activation signal to the next access control point based on the path guidance instruction; S4: After receiving the relay activation signal, the next access control point enters the relay standby state from the blocked state; S5: In the relay standby state, the next access control point responds to the trigger of any identity credential, performs a one-time door opening action, and continues to transmit the relay activation signal to the access control point located after the next access control point in the path definition; S6: Each access control point returns to the blocked state after completing the corresponding relay activation signal transmission.

2. The RFID-based temporary authority hierarchical management method according to claim 1, characterized in that: In S3, the following steps are involved: In response to the triggering of any identity credential, sending a door opening command to a door drive component associated with the starting access control point, and obtaining physical status information returned by a status sensor associated with the door; According to the physical status information, determine whether the door is in the open position; When the judgment result is yes, the initial access control point is controlled to send a relay activation signal to the next access control point.

3. The RFID-based temporary authority hierarchical management method according to claim 1, characterized in that: In S3, the following steps are involved: In response to a trigger of any identity credential, determining whether the trigger is the first trigger in the boot standby state; If the judgment result is yes, the door opening action is executed, a relay activation signal is sent to the next access control point, and a timer for suppressing subsequent trigger responses is started; During the timing period, if a subsequent identity credential trigger is received, the door opening action is not performed and the relay activation signal is not sent.

4. The RFID-based temporary authority hierarchical management method according to claim 1, characterized in that: In step S5, when a path reassignment requirement is detected, an authority reassignment instruction is sent to the next access control point. The authority reassignment instruction is used to instruct the next access control point to forward the relay activation signal to another preset access control point when the relay activation signal is transmitted, so that the other access control point enters the relay standby state from the blocked state.

5. The RFID-based temporary authority hierarchical management method according to claim 4, characterized in that: In step S5, the next access control point starts a timer for receiving a forwarding confirmation message after forwarding the relay activation signal to another access control point; If no forwarding confirmation information is received from another access control point before the timer times out, it is determined that the relay activation signal forwarding has failed, and a failure notification is sent to the control center; After receiving the failure notification, the control center sends a remedial activation instruction to another access control point, so that the other access control point enters the relay standby state from the blocked state.

6. The RFID-based temporary authority hierarchical management method according to claim 5, characterized in that: When the preset another access control point receives the rescue activation instruction or the relay activation signal, the preset another access control point extracts the path identifier corresponding to the evacuation path from the received rescue activation instruction or the relay activation signal; The other preset access control point determines, based on the extracted path identifier, whether the other preset access control point is already in a relay standby state corresponding to the extracted path identifier; When the judgment result is no, another preset access control point is controlled to enter a relay standby state corresponding to the extracted path identifier.

7. The RFID-based temporary authority hierarchical management method according to claim 1, characterized in that: S6 includes the following steps: After sending the relay activation signal, waiting to receive a confirmation message returned by the next access control point, the confirmation message is used to indicate that the next access control point has entered the relay standby state; After receiving the confirmation message, the starting access control point returns to the blocked state.

8. The RFID-based temporary authority hierarchical management method according to claim 7, characterized in that: S6 also includes the following steps: If no confirmation information is received within the preset waiting time, it is determined that the relay activation signal has failed to be sent; In response to the determination result, the door associated with the starting access control point is maintained in the open position; A path interruption notification including the identifier of the starting access control point and the identifier of the next access control point is sent to a preset control center.

9. The RFID-based temporary authority hierarchical management method according to claim 8, characterized in that: The step of maintaining the door associated with the initial access control point in an open position includes: While maintaining the door in the open position, monitor the door closing command from the control center; When receiving the door closing command from the control center, the action of maintaining the door in the open position is terminated; Execute the action of closing the door.

10. A temporary authority hierarchical management system based on RFID, applied to the temporary authority hierarchical management method based on RFID according to claim 1, characterized in that: The system includes: A path generation module is used to send a path guidance instruction to the starting access control point according to a path definition including multiple ordered access control points, wherein the path guidance instruction includes information of the next access control point; The initial access control module is used to enter the guidance standby state after receiving the path guidance instruction, respond to the trigger of any identity credential, execute the door opening action, and send a relay activation signal to the next access control point; The relay control module, upon receiving the relay activation signal, switches from the blocked state to the relay standby state; The recovery module restores the starting access control point to the blocked state after sending the relay activation signal; The path interruption module is used to keep the door open and send a path interruption notification to the control center when receiving a path interruption signal; The command processing module is used to receive the path interruption notification and issue the door closing command according to the predetermined emergency operation to terminate the door opening and execute the closing action.

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