Nuclear power plant equipment isolation lock management and control system and method

Abstract

The invention belongs to the technical field of nuclear power plants, and particularly relates to a nuclear power plant equipment isolation lock management and control system and method. Comprising an isolation task module, an isolation authorization module, an isolation implementation module, an isolation sharing module, an equipment asset module, an emergency unlocking module and a data analysis module. The intelligent lock has the beneficial effects that the switching function of the intelligent lock is controlled through consistency verification and instructions, the problems that mistaken intervals, isolation and radiation boundaries are prone to being damaged are solved, field operation is standardized, a production closed loop is constructed, and therefore potential safety hazards and risks are reduced; the unlocking range and time are set according to the authority and the operation content, the past extensive and manual management mode is upgraded into intensive and electronic management, dynamic secret key anti-copying and anti-technical unlocking, a blacklist function is used for preventing key loss, and the safety production responsibility is forcibly implemented by means of an intelligent lock management and control system.

Description

Technical Field

[0001] The present invention belongs to the technical field of nuclear power plants, and particularly relates to a control system and method for isolation locks of nuclear power plant equipment. Background Art

[0002] During the operation and maintenance of equipment in a nuclear power plant, safety isolation measures need to be implemented for the equipment to be repaired. By placing and maintaining the defined boundary equipment in a specific state, it is ensured that maintenance personnel work in a safe environment. Equipment isolation and locking are important barriers for ensuring the safety of on-site maintenance work. Due to the large number of equipment and systems in a nuclear power plant and their complex relationships, high requirements are imposed on the operating personnel implementing isolation. If there is a slight negligence in basic safety management and on-site actual operation, it may cause harm to maintenance personnel and pose a threat to important equipment.

[0003] Currently, most nuclear power plants adopt a mode where one key can open all similar mechanical locks. The locks do not have automatable identification number information and cannot achieve information-based centralized management. Only manual record-taking of access ledgers can be used, which is difficult to retain evidence as a basis for post-event review and responsibility determination. At the same time, mechanical locks cannot obtain the true open / closed state of the locks, and it is difficult to trace intermediate links such as locking and unlocking, and the isolation effect cannot be guaranteed. There may be situations such as incorrect isolation of equipment, insufficient isolation, accidental removal of isolation measures, and the isolation boundary is easily damaged, etc., and there are potential risks and hidden dangers in safe operation. Summary of the Invention

[0004] The purpose of the present invention is to provide a control system and method for isolation locks of nuclear power plant equipment, which can solve problems such as incorrect isolation of nuclear power plant equipment, insufficient isolation, accidental removal of isolation measures, difficulty in centralized management of numerous keys, and easy damage to the boundary.

[0005] The technical solution of the present invention is as follows: A control system for isolation locks of nuclear power plant equipment includes an isolation task module, an isolation authorization module, an isolation implementation module, an isolation sharing module, an equipment asset module, an emergency unlocking module, and a data analysis module.

[0006] The isolation task module reads the personnel operation isolation ticket information stored in the database through the jdbc protocol, accesses the data to the mobile terminal display, and displays the read isolation ticket information according to the personnel dimension through a list plug-in; associates the operation task with the key through Bluetooth and NFC, and indirectly associates with the lock through infrared induction and contacts; the isolation ticket information marks the isolation implementation / locking / unlocking operation in the database through the jdbc protocol.

[0007] The isolation implementation module applies for an isolation system operation sheet in the smart lock management and control system, binds the operation sheet information synchronized from the upstream production management system, stores the data in the database through the jdbc protocol after approval, and synchronizes it to the mobile terminal and the smart combination cabinet. After taking out the key from the smart combination cabinet, take the smart key and the mobile terminal to the front of the device, open the isolation operation ticket in the smart isolation lock management system, and connect the smart key through the Bluetooth protocol; scan the device code through the camera of the mobile terminal, use QR code scanning or OCR scanning to quickly obtain the code, and perform consistency check on the scan result and the device code in the isolation instruction. If there are more than three inconsistencies in a row, , then manually enter the equipment code and take a photo of the on-site equipment sign as an attachment; after the smart key is inserted into the isolation lock, the current lock number is automatically obtained, and the lock number is returned to the isolation instruction, and temporarily bound to the instruction. The lock status is transmitted back to the smart isolation lock management system through the smart key, and the lock opening and closing status is dynamically tracked. When the lock is selected, a locking request is sent to the lock management system. The request contains the lock ID and isolation instruction, and the database is operated through the jdbc protocol. An isolation instruction is signed in for this smart lock in the database, and the prompt information and dynamic password are returned; after the mobile terminal receives the dynamic password, the isolation instruction is written into the lock core through the smart key to implement the isolation.

[0008] The isolation sharing module, when there is a sharing situation in the isolation release, unbinds the association relationship with the lock through instructions to realize the logical unlocking function. When the database is queried and it is determined to be the last instruction during release, unlocking is allowed. The mobile terminal is connected to the smart key through the Bluetooth protocol, and the smart key releases and removes the isolation instruction stored in the lock core through infrared sensing and contacts.

[0009] The equipment asset module realizes the full life cycle management of electronic keys, smart locks, and smart combination cabinets, specifically including: storage module, scrapping module, and retrieval module;

[0010] Storage module: reads lock information from the smart lock cabinet, transmits the information to the back-end and writes it into the database, synchronizes the data to the smart lock management and control system and mobile terminals, and supports query functions for lock information, logs, and status;

[0011] Scrapping module: read the lock information in the smart lock cabinet or enter the lock information manually, query the back-end database for the current lock information and return it to the smart lock cabinet panel for display, synchronize the data to the mobile terminal or smart lock management and control system, and after approval, transfer the data to the back-end for database operation, change the lock status to scrapped and record the log, and synchronize the data to the mobile terminal or smart lock management and control system;

[0012] Retrieval module: Place the lock into the hole of the smart locker. After closing the door, the smart locker will perform data inventory and transmit the returned data to the backend. The backend will connect to the database to process the return status and record the return log.

[0013] The data analysis module reads the device information stored in the database through the JDBC protocol, and the back-end program calculates the available number of keys / locks / lock cabinets, transmits the calculated data to the smart lock management and control system and the mobile terminal, and then displays it through icons.

[0014] A method for controlling isolation locks of nuclear power plant equipment comprises the following steps:

[0015] Step 1: Isolation application form operation process;

[0016] Step 2: Nuclear power plant equipment isolation lock control method;

[0017] Step 3: Shared isolation implementation;

[0018] Step 4: Shared isolation is lifted.

[0019] The step 1 comprises:

[0020] Step 11: Log in to the smart lock management and control system to view the isolation order information and determine whether to allow implementation. If allowed, synchronize the data to the isolation administrator in the smart lock management and control system. The isolation administrator determines whether it can be implemented. If not allowed, it cannot be implemented.

[0021] Step 12: Check and approve the quarantine application in the smart lock management system. If the application is unreasonable, you cannot operate "implement", "lock", or "unlock". If it is rejected, you do not need to proceed to step 13;

[0022] Step 13: After approval in the smart lock control system, the data will be synchronized to the mobile terminal on-site operator, who will view the isolation application form on the mobile terminal display. If rejected, the application form will transmit the data to the back-end database and be modified to the end state without further operation. If the application form is approved, the operators can operate "implementation", "lock" and "unlock";

[0023] Step 14: On the mobile terminal, the on-site operator first marks the implementation status, and then performs the actual operation to lock / unlock. After locking / unlocking, the data is transmitted to the back-end to modify the data status, and the data is synchronized to the mobile terminal and the smart lock management and control system. The on-site operator checks whether the equipment has been implemented. If not, the implementation status is marked and the data is sent to the back-end to modify the data status; if everything is completed, fill out the operation form, transmit the data to the isolation form status API, and then modify the isolation form status, and then notify the data to the production management system to notify the execution result.

[0024] The step 2 comprises:

[0025] Step 21: The system undertakes the operation order information of the upstream production management system through the unified interface platform.

[0026] Step 22: The intelligent lock control system realizes the management of key unlocking permissions according to the operation order information, including the unlocking range, unlocking time, and implementing personnel.

[0027] Step 23: The combined control cabinet realizes identity authentication through face login, fingerprint recognition, IC card login, and account password. According to the authorized approval process information, it distributes keys and associates them with the task order.

[0028] Step 24: The on-site operator connects and interacts with the electronic key through Bluetooth or NFC based on the mobile terminal, and issues an unlocking instruction.

[0029] Step 25: The electronic key is inserted into the intelligent lock, obtains the lock code and performs consistency verification. Based on the instruction information, it executes the lock opening and closing operations, stores the instruction information in the lock, automatically records the operation log, and synchronously feeds back to the mobile terminal. In a networked environment, it is synchronized to the background.

[0030] The described Step 3 includes:

[0031] Step 31: After the isolation implementation planning process is completed, the operator holds the intelligent key and the mobile terminal and goes to the equipment. In the intelligent isolation lock management system, open the isolation operation ticket and connect to the intelligent key through Bluetooth according to the page prompt.

[0032] Step 32: Select the isolation instruction to be implemented, scan the equipment code through the camera of the mobile terminal, and perform consistency verification between the scanned result and the equipment code in the isolation instruction. If the inconsistency exceeds three times continuously, manually enter the equipment code and take and upload a photo of the on-site equipment sign as an attachment.

[0033] Step 33: After the intelligent key is inserted into the isolation lock, it automatically obtains the current lock number, returns the lock number to the isolation instruction, and binds it to the instruction temporarily. The lock status can be transmitted back to the intelligent isolation lock management system through the intelligent key to dynamically track the opening and closing status of the lock.

[0034] Step 34: The personnel select to lock the door and send a locking request to the lock management system. The request contains information such as the lock ID and the isolation instruction. The system queries through the lock ID and finds that the current lock is in the locked state and does not need to be locked repeatedly. Then it directly enters an isolation instruction for this intelligent lock in the database and returns a prompt message and a dynamic password.

[0035] Step 35: After the mobile terminal receives the dynamic password, it writes the isolation instruction into the lock core through the intelligent key and displays "The door has been successfully locked, and the current lock has n isolation instructions".

[0036] The beneficial effects of the present invention are:

[0037] (1) Safer

[0038] Smart locks control their switch functions through consistency checks and instructions, solving the problems of wrong intervals, isolation and radiation boundaries being easily damaged, standardizing on-site operations, and building a closed production loop, thereby reducing potential safety hazards and risks;

[0039] (2) More reliable

[0040] The unlocking scope and time are set according to the authority and operation content, and the previous extensive and manual management mode is upgraded to intensive and electronic management. The dynamic key can prevent duplication and technical unlocking, and the blacklist function can prevent key loss. The smart lock management and control system is used to enforce the safety production responsibility.

[0041] (3) More efficient

[0042] A smart lock can open all smart locks with one key under authorization, simplifying key management, automatically retaining access records, and remotely monitoring lock status. On the basis of ensuring safety, it simplifies on-site operation procedures to the greatest extent, thereby improving work efficiency, reducing management costs, and saving overhaul key paths / maintenance periods. The development of multi-dimensional data analysis can provide multi-dimensional data statistics to provide data basis for organizations to analyze task completion, resource allocation, and resource configuration. While managing tasks and lock equipment, it helps organizations optimize work, improve production efficiency, and reduce management costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 A schematic diagram of the overall architecture of a nuclear power plant equipment isolation lock control device provided by the present invention;

[0044] Figure 2 This is a schematic diagram of the isolation application process;

[0045] Figure 3 Schematic diagram of the module implementation for shared isolation;

[0046] Figure 4 This is a schematic diagram of the shared isolation release module. DETAILED DESCRIPTION

[0047] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0048] A nuclear power plant equipment isolation lock control device comprises: an intelligent isolation lock, an intelligent key, an intelligent combination cabinet, an intelligent lock control system and an intelligent lock control platform.

[0049] The smart isolation lock includes a lock body base, handle, and lock head assembly, which are electroplated or plastic-sprayed to achieve waterproof, rust-proof, and corrosion-resistant properties, making them suitable for various harsh outdoor environments; the smart isolation lock core hardware circuit is responsible for communicating with the key, verifying information, and driving the motor to ultimately unlock the lock. The lock core of the smart isolation lock can be a passive electronic smart lock core or an active lock. The lock is verified by a dynamic key when unlocking. The lock core has a unique ID code. The lock core has a record storage function, which can store information such as the starter and unlocking time, and supports power-off storage; smart isolation lock information storage: scan the number or QR code of the isolation lock with a mobile terminal, and you can see all the isolation information contained in the lock on the electronic operation sheet of the mobile terminal; it can be used with smart keys and tablets to achieve remote management of the management background, record the time of the lock, application record, opening time, applicant, application reason and other information; the smart isolation lock adopts a maintainable lock core design, and the lock core adopts a pure stainless steel shell material to ensure rust-proof and anti-violent knocking and destruction capabilities, and supports the expansion of lock hanging applications; the shell of the smart isolation lock can be made of plastic or stainless steel. In comparison, plastic is lighter, and the specific selection is determined by the business site environment. The shape, volume and installation and locking method of the smart isolation lock are the same as those of ordinary mechanical locks, and can directly replace general mechanical locks.

[0050] The smart key is made of stainless steel, and the shell is an integrated design. It is not easy to fall and produce foreign objects. It can fall from a height of 1.5 meters without affecting the basic functions. It is powered by a lithium battery and has a battery low-power reminder and power-saving sleep function. The display screen displays the battery status, time status information and various key status information. It can realize data transmission with the company's Internet of Things platform and adopts 5G, WIFI, Bluetooth and other communication methods. With a built-in Bluetooth module, the smart key can interact with the APP through Bluetooth and store unlocking permissions, unlocking records, system information and other data. When unlocking, wake up the key by pressing a button, then compare the fingerprint information, read the lock information, and then unlock. Use a tablet computer and the smart key Bluetooth module to connect to realize the remote authorization unlocking function and upload the unlocking record; the smart key has a unique ID calibrated by time for product traceability. The smart key also has a project-calibrated ID for system settings.

[0051] The smart combination cabinet can conduct human-computer interaction through the touch screen. It is responsible for managing the cabinet door switch and key access, as well as storing unlocking permissions, unlocking records, system information and other data and interacting with them in the background.

[0052] Authorized personnel can access keys in a variety of flexible ways: biometric face recognition, RFID tags and other verifications, support local or centralized entry of personnel facial information, can enter the storage location and management application of mechanical keys and electronic smart keys as needed, and support the step-by-step access of multiple keys by one person at a time;

[0053] Multi-level permission management is adopted. In case of emergency, the administrator can open all cabinet doors with the emergency unlocking key, and at the same time release the emergency key. The emergency unlocking key needs to ensure double-person and double-lock; a glass window is set, and when the cabinet door fails to open, the glass can be directly broken to take out the emergency key;

[0054] The intelligent combination cabinet can store multi-functional intelligent keys at the same time, and can also store other forms of mechanical keys in the form of RFID tags, etc. The intelligent lock cabinet charges the keys during the storage period of the multi-functional intelligent keys, and the keys themselves have power display.

[0055] The described intelligent lock control system is responsible for the authorized use management and use records of intelligent isolation locks and intelligent keys, as well as the isolation and sharing logic control of the locks. The intelligent lock control system can display the use situation, locking situation, shared lock situation and abnormal situation of the locks in real time through the background page, and has functions such as historical information query, data local storage and export. The intelligent lock control system supports user permission allocation, and the scopes that users with different permissions can operate and view can be configured.

[0056] The intelligent lock control platform supports use on computer terminals and mobile terminals. When the electronic key is inserted into the passive lock, the lock is powered through contact points, micro-motor drive, etc. The mobile terminal is connected to the electronic key through technologies such as Bluetooth and NFC, and issues lock opening and closing instructions to achieve data interaction. When the lock code passes the verification, the lock opening and closing operation can be realized. During the whole process, the electronic key can retrieve the intelligent lock opening and closing information. The data statistics and data analysis of the workbench and the cockpit mainly display "total quantity to be approved by me", "quantity of equipment to be returned", "total task quantity", "total quantity of applications initiated", "total number of task orders, year-on-year and month-on-month", "synchronization and month-on-month of total number of application forms" and "total number of equipment". And the overall trends of task orders, application forms, report statistics and application overviews are displayed in the form of charts.

[0057] The platform uniformly manages the issued authorizations, centralized control of supplements and losses, which is used to strengthen the management of assets and equipment, can quickly remind and record the use situation informatization, without manual recording, and improves work efficiency;

[0058] The intelligent lock cabinet system realizes data transmission with the intelligent lock control platform, and uses communication methods such as 5G, WIFI, Bluetooth, and wired to communicate with intelligent keys, intelligent lock cabinets, mobile APPs, etc.

[0059] The situation of authorized release can be queried and reviewed through a tablet computer. A safety electric control lock is adopted, and only authorized users can open it. At the same time, there is sensing monitoring when opening and closing in place; it supports both PC-side use and mobile terminal use such as PAD, mobile phone, and PDA.

[0060] The present invention can achieve the following objectives:

[0061] First, improve the accuracy of isolation operations. Through terminal scanning technology for consistency verification, avoid misoperation of intervals, and ensure the accuracy of isolated objects; control the opening and closing of intelligent locks through instruction status to solve the problem that the isolation boundary is easily damaged.

[0062] Second, simplify the on-site isolation operations. One key can be authorized to open all intelligent locks. For the business scenario of shared isolation, on the basis of ensuring safety, provide logical locking and unlocking functions to avoid operators repeatedly going to the site for operations, and improve work efficiency.

[0063] Third, enhance the means of operation process control. Set the unlocking range and time according to permissions and operation content, upgrade the past extensive and manual management mode to intensive, electronic, and intelligent management, automatically record operation logs, and track the status of locks in real time to achieve digital control.

[0064] A control system for isolating locks of nuclear power plant equipment includes: an isolation task module, an isolation authorization module, an isolation implementation module, an isolation sharing module, an equipment asset module, an emergency unlocking module, and a data analysis module;

[0065] The isolation task module reads the isolation ticket information of personnel operations saved in the database through the jdbc protocol, accesses the data to the mobile terminal display, and displays the read isolation ticket information according to the personnel dimension through a list plugin; associates the operation task with the key through communication methods such as Bluetooth and NFC, and indirectly associates with the lock through methods such as infrared induction and contacts; the isolation ticket information can perform operations such as marking isolation implementation / locking / unlocking in the database through the jdbc protocol; the data collection module updates the operation logs of isolation implementation / locking / unlocking, as well as the progress and status information of the isolation task, and saves them in the database to achieve work record and traceability of isolation documents; managers can read the background database information through the jdbc protocol on the system at any time to view the progress and status of the isolation task.

[0066] The isolation authorization module mainly defines the authorized object, operation form information, isolation instruction information, unlocking range, and authorization time. The operator first initiates a key authorization approval process on the intelligent lock control system, clarifies the unlocking range and authorization validity period. After the approval is passed, the data is automatically pushed to the intelligent lock cabinet terminal. Only the operator with a document for which isolation is to be implemented or lifted under their name is allowed to open the cabinet door. When the operator picks up the key, it is bound to the task form, determines the effective unlocking time and unlocking range of the key, and synchronizes the data to the mobile terminal.

[0067] When the staff arrives at the site, they first need to use QR code scanning or OCR scanning technology to obtain the equipment code on the on-site equipment sign, and perform a consistency check with the equipment code associated with the isolation instruction in the system. Only after the consistency check is passed can the next step of unlocking or locking can be carried out.

[0068] The mobile terminal is connected to the smart key via Bluetooth. The mobile terminal implements database query based on the JDBC protocol to obtain the key's effective unlocking time and unlocking range. When the key is unlocked, the key needs to be inserted into the lock to check whether the lock code is consistent. After the consistency check passes, the electronic key is granted the corresponding opening / closing lock authority in the form of Bluetooth transmission.

[0069] In special cases, the effective unlocking time and unlocking range can be given to the key in advance through communication methods such as smart cabinet Bluetooth, NFC, and data cable insertion for use by operators. In the isolation release scenario, in addition to the above permissions, the key must also be authorized separately for the isolation command to be released.

[0070] In the isolation implementation module, the operator applies for an isolation system operation sheet in the smart lock management and control system, binds the operation sheet information synchronized from the upstream production management system, and stores the data in the database through the JDBC protocol after approval, and synchronizes it to the mobile terminal and the smart combination cabinet. After the operator takes out the key from the smart combination cabinet, he takes the smart key and mobile terminal to the equipment, opens the isolation operation ticket in the smart isolation lock management system, and connects the smart key through the Bluetooth protocol according to the page prompts;

[0071] Select the isolation instruction to be implemented, scan the device code through the camera of the mobile terminal, use QR code scanning or OCR scanning technology to quickly obtain the code, and check the consistency of the scan result with the device code in the isolation instruction. If there are more than three consecutive inconsistencies, manually enter the device code and take a photo of the on-site equipment sign as an attachment; after the smart key is inserted into the isolation lock, it can automatically obtain the current lock number, and return the lock number to the isolation instruction, and temporarily bind it to the instruction. The lock status can be transmitted back to the smart isolation lock management system through the smart key, and the lock opening and closing status can be dynamically tracked to ensure the effectiveness of isolation implementation; the personnel choose to lock and send a locking request to the lock management system. The request contains information such as lock ID and isolation instruction. The database is operated through the jdbc protocol, an isolation instruction is signed in for this smart lock in the database, and a prompt message and dynamic password are returned; after the mobile terminal receives the dynamic password, the isolation instruction is written into the lock core through the smart key, and "Successfully locked" is displayed to implement isolation.

[0072] The isolation sharing module is aimed at the scenario where multiple operation orders have a shared isolation boundary. The present invention provides a shared logic unlocking function. When the isolation is released and there is a sharing situation, the operator has neither the authority to open the lock nor the need to go to the isolation site. The operator can log in to the system remotely and check the unlock button to unbind the instruction from the lock to achieve the logic unlocking function. When the back-end program queries the database and determines that it is the last instruction, the system allows unlocking. At this time, the staff needs to go to the site to operate the lock. The mobile terminal connects to the smart key through the Bluetooth protocol, and the smart key contacts and removes the isolation instruction stored in the lock core through infrared sensing, contacts, etc.

[0073] When shared isolation is implemented, there is no need to repeatedly padlock. You only need to insert the electronic key into the smart lock, and the mobile terminal sends instructions to the key through the Bluetooth protocol. The key then signs the isolation instruction into the lock core through infrared sensing, contacts, etc. At the same time, the software platform adds an isolation instruction to the smart lock in the database to facilitate the status of the lock and isolation point, that is, to realize the scenario of multiple instructions sharing the same lock. The operator can query the instructions for sharing the lock, the person who locked it, the locking time and other related content in the system at any time.

[0074] The equipment asset module realizes the full life cycle management of electronic keys, smart locks, and smart combination cabinets, and specifically includes: a warehousing module, a scrapping module, and a retrieval module.

[0075] Warehousing module: reads lock information from the smart lock cabinet, transmits the information to the back-end and writes it into the database, synchronizes the data to the smart lock management and control system and mobile terminals, and supports query functions such as lock information, logs, and status.

[0076] Scrapping module: read the lock information in the smart lock cabinet or enter the lock information manually. After the back-end database queries the current lock information, it returns to the smart lock cabinet panel for display. Click to initiate the scrapping process and synchronize the data to the mobile terminal or smart lock management and control system. After approval by the leader, the data is transferred to the back-end for database operation, the lock status is changed to scrapped and logs are recorded, and the data is synchronized to the mobile terminal or smart lock management and control system for easy viewing of lock information, logs, status, etc.

[0077] Retrieval module: A return button can be clicked on the smart lock cabinet. After the cabinet door is opened, the lock is placed in the hole of the smart lock cabinet. After the door is closed, the smart lock cabinet performs data inventory and transmits the returned data to the back end. The back end connects to the database to process the return status and records the return log for later viewing in the smart lock management system or mobile terminal.

[0078] The described emergency unlocking module is divided into two types: one is to issue super permissions in advance on the mobile terminal or intelligent combination cabinet through Bluetooth or data cable connection, that is, the right to open all intelligent locks; the other is through the design of the lock hardware structure, which supports both intelligent keys and mechanical unlocking at the same time. In this way, the mechanical key can be used as a super key for intelligent management to quickly respond to emergencies. The emergency unlocking and locking situation is recorded inside the key, and the record can be transmitted back to the intelligent lock control system through Bluetooth connection or data cable connection to the mobile terminal.

[0079] The described data analysis module, data dashboard cockpit module: reads the device information saved in the database through the jdbc protocol, calculates the available quantity of keys / locks / lock cabinets by the backend program, and transmits the calculated data to the intelligent lock control system and the mobile terminal, and then displays it through icons;

[0080] The intelligent lock control system reads out the task order after the application form approval through the jdbc protocol. After the backend program processes the data analysis of different indicators and dimensions, it is transmitted to the front end for display in the form of charts;

[0081] Read the task order information / application form information saved in the database through the jdbc protocol. The backend program calculates the task order quantity / year-on-year / day-on-day ratio, application form quantity / year-on-year / day-on-day ratio, and total number of devices, and transmits the calculated data to the intelligent lock control system and the mobile terminal, and then hands it over to the page for display through icons;

[0082] The intelligent lock control system reads the application form information applied by the staff through the jdbc protocol. After the backend program processes the data analysis of querying the application quantity calculated by individual daily granularity according to month / status / department, it is handed over to the page for display in the form of a line chart;

[0083] The intelligent lock control system reads the device information applied in the application form applied by the staff through the jdbc protocol. After the backend program processes the data analysis of querying the application quantity of distinguishing keys / locks calculated by individual daily granularity according to month / status / department, it is handed over to the page for display in the form of a bar chart;

[0084] The intelligent lock control system reads the device information applied in the application form applied by the staff, the device usage information (in-use / remaining / lost / scrapped granularity) in the database, the device access / return situation (applied / returned / not returned granularity), and the application form list through the jdbc protocol. After the backend program calculates the data analysis according to the personnel dimension, it is handed over to the page for display in the form of a list.

[0085] A method for controlling the isolation locks of nuclear power plant equipment includes the following steps:

[0086] The staff initiates an isolation application form from the intelligent lock control system, and the system associates it with the operation form information of the upstream production management system through the unified interface platform. After being approved by the shift supervisor / isolation administrator / on-site operator, the shared isolation implementation operation can be carried out. After the shared isolation implementation operation is completed, the shared isolation release operation can be carried out. The specific implementation process is as follows:

[0087] Embodiment 1: Figure 2 It is a schematic diagram of the operation process of the isolation application form.

[0088] Step 11: After the shift supervisor logs in to the intelligent lock control system to view the isolation form information and determines whether to allow implementation, if allowed, the data is synchronized to the isolation administrator in the intelligent lock control system. The isolation administrator determines whether the operation is allowed to be implemented. If not allowed, the operation is not allowed to be implemented.

[0089] Step 12: In the intelligent lock control system, the isolation administrator views and approves the isolation form application. If the application form is unreasonable, the operations of "implement", "lock", and "unlock" cannot be performed. After being rejected, step 3 is not required.

[0090] Step 13: After the isolation administrator in the intelligent lock control system approves, the data is synchronized to the on-site operator on the mobile device. The on-site operator views the isolation application form from the mobile device monitor. If it is rejected, the application form will transmit the data to the backend database and be modified to the end state without further operation. If the application form is approved, the mobile device buttons such as "implement", "lock", and "unlock" can be operated.

[0091] Step 14: On the mobile device, the on-site operator first marks the implementation status, then performs the actual operation of locking / unlocking. After locking / unlocking, the data is transmitted to the backend to modify the data status, and the data is synchronized to the mobile device and the intelligent lock control system. The on-site operator checks whether all devices have been implemented. If not all are completed, the implementation status is marked and the data is transmitted to the backend to modify the data status; if all are completed, the operation form is filled out, the data is transmitted to the isolation form status API, then the isolation form status is modified, and then the data is notified to the production management system to notify the execution result.

[0092] Embodiment 2: Figure 1 It is an architecture diagram of the control method for the isolation locks of nuclear power plant equipment

[0093] Step 21: The system undertakes the operation form information of the upstream production management system through the unified interface platform.

[0094] Step 22: The intelligent lock control system realizes the management of key unlocking permissions based on the operation form information, including unlocking range, unlocking time, implementing personnel, etc.

[0095] Step 23: The combination control cabinet realizes identity authentication through face login, fingerprint recognition, IC card login, account password, etc., distributes keys according to the authorization approval process information, and associates them with the task order.

[0096] Step 24: The on-site operator interacts with the electronic key through Bluetooth, NFC and other technologies based on a mobile terminal (PAD, PDA, smart phone) and issues an unlocking command.

[0097] Step 25: Insert the electronic key into the smart lock, obtain the lock code and perform consistency check, execute the lock opening and closing operation based on the command information, store the command information in the lock, and automatically record the operation log, synchronously feedback to the mobile terminal, and synchronize to the background in a network environment.

[0098] Embodiment 3: Figure 3 This is a schematic diagram of the shared isolation implementation module

[0099] Step 31: After the isolation implementation planning process is completed, the operator takes the smart key and mobile terminal to the equipment, opens the isolation operation ticket in the smart isolation lock management system, and connects the smart key via Bluetooth according to the page prompts.

[0100] Step 32: Select the isolation instruction to be implemented, scan the equipment code through the camera of the mobile terminal, and check the consistency of the scan result with the equipment code in the isolation instruction. If there are more than three inconsistencies in a row, manually enter the equipment code and take a photo of the on-site equipment sign as an attachment.

[0101] Step 33: After the smart key is inserted into the isolation lock, it can automatically obtain the current lock number and return the lock number to the isolation instruction, temporarily binding it to the instruction. The lock status can be transmitted back to the smart isolation lock management system through the smart key, dynamically tracking the lock opening and closing status to ensure the effectiveness of the isolation implementation.

[0102] Step 34: The person chooses to lock the door and sends a lock request to the lock management system. The request includes information such as the lock ID and isolation instruction. The system queries the lock ID and finds that the current lock is locked and does not need to be locked again. It then directly signs in an isolation instruction for the smart lock in the database and returns a prompt message and a dynamic password.

[0103] Step 35: After receiving the dynamic password, the mobile terminal writes the isolation instruction into the lock core through the smart key and displays "Successfully locked, the current lock has [n] isolation instructions".

[0104] Embodiment 4: Figure 4 This is a schematic diagram of the shared isolation release module.

[0105] Step 41: After completing the isolation release planning process, the operator takes the intelligent key and the mobile terminal to the equipment, opens the isolation operation ticket in the system, and connects the intelligent key via Bluetooth according to the page prompts.

[0106] Step 42: Select the isolation instruction to be released. After the operator swipes the screen to confirm, apply to the lock management service for unlocking.

[0107] Step 43: Scan the equipment code through the camera of the mobile terminal, and perform consistency verification on the scanned result and the equipment code in the isolation instruction. If the inconsistency occurs more than three times continuously, manually enter the equipment code and take a photo of the on-site equipment sign and upload it as an attachment.

[0108] Step 44: After the intelligent key is inserted into the isolation lock, the current lock number is automatically obtained. The system needs to verify whether there are other un-released isolation instructions associated with this lock number. If so, the lock is not allowed to be opened. After the mobile terminal gets the dynamic password, remove the current isolation instruction in the lock core through the intelligent key, and prompt "Unlocking successful, there are still [n] isolation instructions for the current isolation lock".

Claims

1. A nuclear power plant equipment isolation lock control system, characterized by: It includes isolation task module, isolation authorization module, isolation implementation module, isolation sharing module, equipment asset module, emergency unlocking module and data analysis module.

2. A nuclear power plant equipment isolation lock control system as claimed in claim 1, characterized in that: The isolation task module reads the personnel operation isolation ticket information stored in the database through the JDBC protocol, connects the data to the mobile terminal display, and displays the read isolation ticket information according to the personnel dimension through the list plug-in; the operation task is associated with the key through Bluetooth and NFC, and is indirectly associated with the lock through infrared sensing and contact; the isolation ticket information is marked in the database through the JDBC protocol for isolation implementation / locking / unlocking operations.

3. A nuclear power plant equipment isolation lock control system as claimed in claim 1, characterized in that: The isolation implementation module applies for an isolation system operation sheet in the smart lock management and control system, binds the operation sheet information synchronized from the upstream production management system, stores the data in the database through the jdbc protocol after approval, and synchronizes it to the mobile terminal and the smart combination cabinet. After taking out the key from the smart combination cabinet, take the smart key and the mobile terminal to the front of the device, open the isolation operation ticket in the smart isolation lock management system, and connect the smart key through the Bluetooth protocol; scan the device code through the camera of the mobile terminal, use QR code scanning or OCR scanning to quickly obtain the code, and perform consistency check on the scan result and the device code in the isolation instruction. If there are more than three inconsistencies in a row, , then manually enter the equipment code and take a photo of the on-site equipment sign as an attachment; after the smart key is inserted into the isolation lock, the current lock number is automatically obtained, and the lock number is returned to the isolation instruction, and temporarily bound to the instruction. The lock status is transmitted back to the smart isolation lock management system through the smart key, and the lock opening and closing status is dynamically tracked. When the lock is selected, a locking request is sent to the lock management system. The request contains the lock ID and isolation instruction, and the database is operated through the jdbc protocol. An isolation instruction is signed in for this smart lock in the database, and the prompt information and dynamic password are returned; after the mobile terminal receives the dynamic password, the isolation instruction is written into the lock core through the smart key to implement the isolation.

4. A nuclear power plant equipment isolation lock control system as claimed in claim 1, characterized in that: The isolation sharing module, when there is a sharing situation in the isolation release, unbinds the association relationship with the lock through instructions to realize the logical unlocking function. When the database is queried and it is determined to be the last instruction during release, unlocking is allowed. The mobile terminal is connected to the smart key through the Bluetooth protocol, and the smart key releases and removes the isolation instruction stored in the lock core through infrared sensing and contacts.

5. A nuclear power plant equipment isolation lock control system as claimed in claim 1, characterized in that: The equipment asset module realizes the full life cycle management of electronic keys, smart locks, and smart combination cabinets, specifically including: storage module, scrapping module, and retrieval module; Storage module: reads lock information from the smart lock cabinet, transmits the information to the back-end and writes it into the database, synchronizes the data to the smart lock management and control system and mobile terminals, and supports query functions for lock information, logs, and status; Scrapping module: read the lock information in the smart lock cabinet or input the lock information manually, query the current lock information in the back-end database and return it to the smart lock cabinet panel for display, synchronize the data to the mobile terminal or smart lock management and control system, and after approval, transfer the data to the back-end for database operation, modify the lock status to scrap and record the log, and synchronize the data to the mobile terminal or smart lock management and control system; Retrieval module: Place the lock into the hole of the smart locker. After closing the door, the smart locker will perform data inventory and transmit the returned data to the backend. The backend will connect to the database to process the return status and record the return log.

6. A nuclear power plant equipment isolation lock control system as claimed in claim 1, characterized in that: The data analysis module reads the device information stored in the database through the JDBC protocol, and the back-end program calculates the available number of keys / locks / lock cabinets, transmits the calculated data to the smart lock management and control system and the mobile terminal, and then displays it through icons.

7. A method for controlling isolation locks of nuclear power plant equipment, characterized in that: The steps include: Step 1: Isolation application form operation process; Step 2: Nuclear power plant equipment isolation lock control method; Step 3: Shared isolation implementation; Step 4: Shared isolation is lifted.

8. A method for controlling isolation locks of nuclear power plant equipment according to claim 7, characterized in that: The step 1 comprises: Step 11: Log in to the smart lock management and control system to view the isolation order information and determine whether to allow implementation. If allowed, synchronize the data to the isolation administrator in the smart lock management and control system. The isolation administrator determines whether it can be implemented. If not allowed, it cannot be implemented. Step 12: Check and approve the quarantine application in the smart lock management system. If the application is unreasonable, "implementation", "locking" and "unlocking" cannot be operated. If it is rejected, there is no need to proceed to step 13; Step 13: After approval in the smart lock control system, the data will be synchronized to the mobile terminal on-site operator, who will view the isolation application form on the mobile terminal display. If rejected, the application form will transmit the data to the back-end database and be modified to the end state without further operation. If the application form is approved, the "implementation", "lock" and "unlock" operations can be performed; Step 14: On the mobile terminal, the on-site operator first marks the implementation status, and then performs the actual operation to lock / unlock. After locking / unlocking, the data is transmitted to the back-end to modify the data status, and the data is synchronized to the mobile terminal and the smart lock management and control system. The on-site operator checks whether the equipment has been implemented. If not, the implementation status is marked and the data is sent to the back-end to modify the data status; if everything is completed, fill out the operation form, transmit the data to the isolation form status API, and then modify the isolation form status, and then notify the data to the production management system to notify the execution result.

9. A method for controlling isolation locks of nuclear power plant equipment according to claim 7, characterized in that: The step 2 comprises: Step 21: The system receives the operation order information from the upstream production management system through the unified interface platform; Step 22: The smart lock management system implements key unlocking authority management based on the operation order information, including unlocking scope, unlocking time, and implementation personnel; Step 23: The combined control cabinet implements identity authentication through face login, fingerprint recognition, IC card login, account and password, distributes keys according to the authorization and approval process information, and associates them with the task order; Step 24: The on-site operator interacts with the electronic key via Bluetooth or NFC on a mobile terminal and issues an unlocking command. Step 25: Insert the electronic key into the smart lock, obtain the lock code and perform consistency check, execute the lock opening and closing operation based on the command information, store the command information in the lock, and automatically record the operation log, synchronously feedback to the mobile terminal, and synchronize to the background in a network environment.

10. A method for controlling isolation locks of nuclear power plant equipment according to claim 7, characterized in that: The step 3 comprises: Step 31: After the isolation implementation planning process is completed, the operator takes the smart key and mobile terminal to the equipment, opens the isolation operation ticket in the smart isolation lock management system, and connects the smart key via Bluetooth according to the page prompts; Step 32: Select the isolation instruction to be implemented, scan the equipment code through the camera of the mobile terminal, and perform consistency check between the scan result and the equipment code in the isolation instruction. If there are more than three inconsistencies in succession, manually enter the equipment code and take a photo of the on-site equipment signage as an attachment; Step 33: After the smart key is inserted into the isolation lock, the current lock number is automatically obtained and the lock number is returned to the isolation instruction and temporarily bound to the instruction. The lock status can be transmitted back to the smart isolation lock management system through the smart key to dynamically track the lock opening and closing status; Step 34: The person chooses to lock and sends a lock request to the lock management system. The request contains information such as the lock ID and the isolation instruction. The system queries the lock ID and finds that the current lock is locked and does not need to be locked again. It directly signs an isolation instruction for this smart lock in the database and returns a prompt message and a dynamic password. Step 35: After receiving the dynamic password, the mobile terminal writes the isolation instruction into the lock core through the smart key and displays "Successfully locked, the current lock has n isolation instructions".

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