CN112116252A - Safety control method for electrical equipment isolation - Google Patents
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Abstract
The invention relates to the technical field of equipment isolation control, and discloses a safety control method and a safety control system for electrical equipment isolation.
Description
Technical Field
The invention relates to the technical field of electrical equipment isolation control, in particular to a safety control method for electrical equipment isolation.
Background
When a system or equipment of a nuclear power plant needs to be overhauled or maintained or debugged, an operator needs to provide a work application to an operator, the operator needs to operate on the equipment or system facilities with a battery running, and the operator isolates relevant equipment, including: operating some kind of running equipment, and cutting off or emptying a working source; locking, prohibiting any operations on such devices; hang tags, alert the specific function and status of such devices. Therefore, a proper safety condition is provided for maintenance personnel, and after the work is finished, the field environment is restored to the normal operation environment.
In the quarantine management process, the following main steps are typically performed: 1) the isolation application is provided by debugging or overhaul personnel according to the working content of the debugging or overhaul personnel, and an isolation boundary is described; 2) the isolation plan reasonably utilizes human resources and equipment resources, enhances the safety of personnel and optimizes the isolation number; 3) isolation formulation, namely, selecting and confirming an isolation boundary and an isolation instruction by an isolation writer and an approver; 4) performing isolation, namely assigning a specially-assigned person to a site to hang an isolation lock and a signboard so as to enable a work license to take effect; 5) issuing an isolation license, and taking a work license by an operator to carry out debugging or overhauling operation on an operation site; 6) and releasing the isolation, returning a work permit after the operator finishes debugging or overhauling operation, checking the isolation equipment by the responsible person according to the release operation sheet, and restoring the isolation equipment to the working state during operation.
Disclosure of Invention
Technical problem to be solved
The embodiment of the invention provides a safety control method for electrical equipment isolation, which achieves the effect of intelligently controlling the electrical equipment isolation by upgrading the existing management system of a power plant and replacing a mechanical lock with an intelligent lock.
Disclosure of the invention
The embodiment of the invention provides a safety management and control method for electrical equipment isolation, which uses an intelligent lock, a management and control system matched with the intelligent lock and intelligent mobile terminal equipment, and comprises the following steps:
step one, generating an isolation work order; the method comprises the following steps that a worker sends an isolation application to a management and control system through intelligent mobile terminal equipment; after receiving the isolation application, the management and control system manually divides the isolation range by background workers and selects isolation equipment, operators and isolation time; the control system adds the auxiliary information to the information and generates an isolation work order;
step two, setting in an isolated manner; after the manager confirms the isolation work order, the management and control system sends the isolation work order to the intelligent mobile terminal equipment held by the isolation setting personnel, and adds the remark information corresponding to the operation; the isolation setting personnel select an intelligent lock to lock the appointed equipment according to the isolation work order and the remark information and set an isolation mark, and finally, the isolation setting condition is fed back to the control system;
step three, issuing an isolation work order; the control system confirms the isolation setting condition and sends the isolation work order to the intelligent mobile terminal equipment of the designated operator through the control system after the confirmation is finished;
step four, isolating operation; the operator completes the isolation operation according to the isolation work order;
fifthly, confirming the isolation operation; after the operation of the isolation equipment is completed by an operator, the intelligent lock is closed, confirmation information is fed back to the control system through the intelligent mobile terminal equipment, the system detects the opening and closing state of the intelligent lock, if the intelligent lock is closed, the completion of the operation is confirmed, and if the intelligent lock is not closed, the system cannot confirm the completion of the operation and displays a prompt of not closing the lock;
sixthly, releasing isolation; after the work order tasks are completely finished, isolation of relevant equipment is removed, the management and control system issues the work order for removing the isolation task to isolation setting personnel, the isolation setting personnel go to an isolation point, the isolation equipment is checked, the isolation equipment is restored to be in a working state when the isolation equipment runs, and meanwhile, the intelligent lock and the isolation identification are removed.
Further, if more than one isolation operation task is set on the same isolation work order, after the fifth step, the fourth step and the fifth step are repeatedly executed, the repeated execution times are the same as the number of the isolation operation tasks, and after the fifth step is executed each time, the control system can detect the opening and closing state of the intelligent lock of the previous isolation device, and if the intelligent lock of the previous isolation device is not closed, the control system can forbid the unlocking authority of the operator.
Further, the additional auxiliary information in the step one comprises a power plant plan, equipment position information, a route and an equipment location, and the remark information in the step two comprises equipment codes, equipment descriptions, equipment positions, equipment states and bound intelligent lock numbers.
Further, the isolation work order contains the number, name, state, historical isolation information of the isolation device, the number of the corresponding intelligent lock at this time, the name of the isolation worker, the isolation operation sequence, the name of the operation worker and department information.
Furthermore, the intelligent mobile terminal device is an intelligent mobile phone, and a special APP is installed in the intelligent mobile phone.
Furthermore, the special APP comprises a user login module, an isolation work order management module, a code scanning unlocking module and an information query module.
Further, the management and control system adopts a B/S architecture, and the web end comprises: the system comprises a plant area plan module, an isolation task management module, an isolation operation work order management module, an isolation device management module, an intelligent lock management module, a user management module and a query statistic module.
Furthermore, the intelligent lock has three unlocking modes of code scanning unlocking, password unlocking and key unlocking.
Furthermore, the intelligent lock comprises a lock body, a display module, a key module, a wireless transmission module and a positioning module.
Further, in the second step, the isolation setting personnel feed back the isolation setting condition to the management and control system through the special APP, and in the fifth step, the operation personnel feed back confirmation information to the management and control system through the special APP after completing the isolation operation task.
(III) advantageous effects
The safety control method for electrical equipment isolation provided by the embodiment of the invention comprises the steps of generating an isolation work order, setting isolation, issuing the isolation work order, isolating operation, confirming the isolation operation and removing the isolation, and the intellectualization and automation of the isolation work of the electrical equipment are realized by upgrading the conventional mechanical lock into an intelligent lock and matching with an upper management control system and an intelligent mobile terminal device, so that the reliability of the isolation control work of the electrical equipment is greatly improved, the equipment isolation work accident caused by considered factors is effectively prevented, the potential safety hazard is reduced, and the safety control method has the advantages of low cost and high reliability, and is suitable for large-scale popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart of a safety control method for electrical equipment isolation according to an embodiment of the present invention.
Fig. 2 is a flowchart of a security management and control method for electrical device isolation for controlling isolation of a single device in an embodiment of the present invention.
Fig. 3 is a flowchart of a security management method for electrical device isolation for managing multiple devices in isolation according to an embodiment of the present invention.
Fig. 4 is a block diagram of a management and control system in the embodiment of the present invention.
Fig. 5 is a block diagram of a dedicated APP of the management and control system in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. Specific meanings of the above terms in the embodiments of the invention will be understood to those of ordinary skill in the art in specific cases.
Fig. 1 is a flowchart of a safety control method for electrical device isolation according to an embodiment of the present invention, where an existing mechanical lock needs to be upgraded into an intelligent lock, and a control system and an intelligent mobile terminal device used in cooperation with the intelligent lock need to be provided, where the intelligent lock needs to have an intelligent lock cylinder to implement communication with the control system and needs to support code scanning unlocking and remote control, most of existing intelligent locks can meet requirements through minor improvements, and the intelligent mobile terminal device can be used by downloading a dedicated APP with a common smart phone, so that requirements on hardware are very low, and large-scale popularization is facilitated. As shown in fig. 2 and 3, the method mainly comprises the following steps:
step one, a worker sends an isolation application to a background manager, the background manager divides an isolation range, selects isolation equipment, an operator and isolation time according to the isolation application or a superior instruction, a power plant plan and equipment position information are integrated by the system, a route, an equipment place and main information are displayed on a power plant map, the system automatically generates an isolation operation work order by dividing the isolation range or the route, and the work order is attached with auxiliary information: the auxiliary information comprises a power plant plan, equipment position information, a route and an equipment place; the number, name, state, historical isolation information of the isolation equipment, the number of the corresponding intelligent lock at this time, the name of the isolation personnel, the isolation operation sequence, the name of the operation personnel and the information of the affiliated department;
step two, the manager confirms the isolation operation work order, the work order is issued to the isolation worker, the isolation worker obtains the isolation work order through a mobile phone APP, remark information is attached to the work order and comprises equipment codes, equipment descriptions, equipment positions, equipment states and bound intelligent lock numbers, an intelligent lock is selected according to the work order information to isolate and lock corresponding equipment, an isolation mark is hung or pasted, an intelligent lock password corresponding to the isolation equipment is input into the APP, and after the isolation is finished, the isolation is clicked in the APP (the intelligent lock password can also be shot and transmitted to the APP, and the manager manually confirms whether the isolation is finished);
thirdly, the system detects whether the password of the intelligent lock is input or not, whether the intelligent locking position is consistent with the positioning of the isolation equipment or not, if so, the system confirms that the isolation is finished, and the isolation operation work order is issued to the appointed operation personnel;
step four, an operator receives an isolation operation work order through a mobile phone APP, obtains the number, name, state, historical isolation information, the number of the intelligent lock corresponding to the isolation equipment and isolation operation sequence information, goes to an isolation point, scans a two-dimensional code on the isolation lock through the mobile phone to unlock, operates, if the operation sequence is not consistent with the work order, the intelligent lock cannot be unlocked, if the two-dimensional code is wrong and cannot be unlocked, the operator sends an unlocking request which cannot pass through the two-dimensional code through the mobile phone APP, after the administrator confirms the unlocking request, the intelligent lock password is sent, and the operator unlocks through the password;
step five, after the operation of the isolation equipment is finished by an operator, the intelligent lock is closed, an operation completion button beside the isolation equipment in the isolation operation work order on the APP is clicked, the system detects the opening and closing state of the intelligent lock, if the intelligent lock is closed, the completion of the operation is confirmed, and if the intelligent lock is not closed, the system cannot confirm the completion of the operation and displays an unclosed lock prompt;
step six, the operator moves forward to the next isolation equipment operation point according to the work order information, the step four and the step five are repeated until all operation tasks are completed, and if the previous equipment is not locked, the operator cannot unlock the intelligent lock on the next equipment;
and seventhly, after all the work order tasks are completed, the isolation of the related equipment is released, the system issues a work order for releasing the isolation task, the isolation personnel receives the tasks, goes to the isolation point, keys in the password to open the intelligent lock, checks the isolation equipment, restores the isolation equipment to be in the operating state, and removes the intelligent lock and the isolation identifier.
Except for corresponding hardware, a related and matched software system is needed, the software system comprises a management and control system and a special mobile phone APP, wherein the management and control system is built in a website form, a BS framework is adopted, plug-ins are not required to be installed, a user logs in the system through an account and a password and performs role configuration respectively, and different roles have different operation permissions, as shown in FIG. 4, the method comprises the following steps:
1) and the factory floor plan module integrates a factory floor plan map and equipment information, displays the route, the equipment location, the serial number and the name information on the region, can further display the equipment state, the equipment system and the isolation history by clicking equipment, and can select all the equipment in the region after the route is clicked by a mouse to divide the region range.
2) The isolation task management module is used for receiving an isolation application, formulating an isolation task and formulating and removing the isolation task, can automatically distribute an intelligent lock for isolation equipment, and is also used for binding an operator with a specified intelligent lock and setting an unlocking permission of the specified intelligent lock for the operator.
3) The isolation operation work order management module is used for generating an isolation operation work order according to an isolation task, distributing the isolation operation work order to a corresponding isolation worker and a mobile end of an operation worker, displaying the number, name, state and historical isolation information of the isolation equipment, the number of the corresponding intelligent lock, the name of the isolation worker, the isolation operation sequence, the name of the operation worker and department information on the isolation operation work order, distributing the work order to the isolation worker firstly, and distributing the work order to the operation worker after the isolation worker executes the task of the isolation equipment; in addition, the module is also used for dispatching the isolation task removing work order according to the isolation work order condition, the work order is dispatched to the corresponding isolation personnel, and after the isolation personnel finishes the isolation removing work, a complete isolation work task is completed to form a closed loop.
4) And the isolated equipment management module is used for managing the information of the isolated equipment, displaying the equipment code, the equipment description, the equipment position, the equipment state and the bound intelligent lock serial number content, displaying the equipment and the equipment code in the plant area on the virtual plane map, and clicking the equipment to check the equipment position and the isolated state information.
5) The intelligent lock management module is used for numbering, positioning, password setting, unlocking authority setting and isolated equipment binding management of the intelligent lock; in addition, the module can display the bound equipment information, damage alarm information, switch state and use record of the intelligent lock.
6) The system comprises a user management module, a monitoring module and a monitoring module, wherein the user management module is used for setting user roles and permissions, the user roles comprise managers, isolation personnel and operators, and the managers are background system managers and have the functions of establishing isolation operation tasks, isolating operation worksheets below and setting user permissions; the isolation personnel are people who adopt the intelligent lock to perform isolation operation on the equipment, log in through the mobile terminal, acquire an isolation operation work order, and select the intelligent lock to perform isolation locking on the equipment; the operator is a person who carries out field debugging or maintenance operation on the isolation device, logs in through the mobile terminal, sends an isolation application to a manager, obtains an isolation operation work order and unlocking authority, and carries out field operation on the isolation device.
7) And the query counting module is used for counting and querying the operation information of the isolation equipment, the information of the intelligent lock, the information of the operator, the operation of the completed isolation equipment and the operation information of the isolation equipment to be performed.
As shown in fig. 5, the special APP for the smart mobile terminal device (i.e. the smart phone adopted in this embodiment) includes the following modules:
1) the user login module is used for inputting a work number and a password for login after the user downloads the APP, and has the functions of displaying and checking an isolation operation work order, uploading the password of the intelligent lock of the corresponding equipment, uploading the picture of the isolation equipment, confirming the completion of the isolation task, checking a history task and inquiring the information authority of the equipment for the isolation personnel; for the operating personnel, the intelligent lock has the functions of checking an isolation operation work order, scanning the two-dimensional code to unlock the intelligent lock, acquiring the password of the intelligent lock to unlock the intelligent lock when the intelligent lock cannot be unlocked through the two-dimensional code, confirming the completion of an isolation equipment operation task, checking a historical task and inquiring equipment information permission.
2) The isolation work order management module can be used for checking the work order to be isolated and the isolated work order for the isolation personnel, uploading the intelligent lock password and the isolation photo, and displaying the equipment to be isolated, the intelligent lock number and the password by the work order; and for the operator, the work order displays the number, name, state, historical isolation information, the number of the corresponding intelligent lock at this time and the isolation operation sequence. When the intelligent lock cannot be opened through the two-dimensional code due to faults, an operator clicks corresponding isolation equipment in a work order to send an unlocking request, and the intelligent lock password is obtained.
3) Sweep sign indicating number unlocking module, this module is peculiar for the operation personnel for the two-dimensional code of scanning intelligent lock unblanks, if the user does not possess the authority of unblanking of corresponding isolation devices, can't open the intelligent lock after the scanning.
4) And the information query module is used for querying the information and the position of the equipment by inputting the name or the code of the isolation equipment by a user, or querying the isolation equipment and the historical unlocking record information bound by the intelligent lock by inputting the code of the intelligent lock.
According to the embodiment, the safety control method for electrical equipment isolation provided by the invention can achieve the effect of intelligently controlling the electrical equipment isolation by upgrading the existing management system of a power plant, is low in cost and high in reliability, and is suitable for large-scale popularization. Upgrade current mechanical lock into the intelligent lock to bind operating personnel and intelligent lock, set up through the authority and strict operation flow, prescribe a limit to the authority of unblanking and the order of operating personnel, effectively avoid irrelevant personnel to open isolation device or operating personnel and do not unblank according to the standard and close the lock, thereby effectively prevent because of the mistake of people, reduce the potential safety hazard.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A safety control method for electrical equipment isolation, which is characterized in that an intelligent lock and a control system and an intelligent mobile terminal device which are used together with the intelligent lock are used, and the safety control method comprises the following steps:
step one, generating an isolation work order; a worker sends an isolation application to the management and control system through the intelligent mobile terminal device; after receiving the isolation application, the management and control system manually divides an isolation range by background workers and selects isolation equipment, operators and isolation time; the control system adds auxiliary information to the information and generates an isolation work order;
step two, setting in an isolated manner; after the manager confirms the isolation work order, the management and control system issues the isolation work order to the intelligent mobile terminal equipment held by the isolation setting personnel, and adds the remark information corresponding to the operation; the isolation setting personnel select an intelligent lock to lock the appointed equipment according to the isolation work order and the remark information and set an isolation mark, and finally, the isolation setting condition is fed back to the management and control system;
step three, issuing an isolation work order; the control system confirms the isolation setting condition, and after the isolation setting condition is confirmed, the isolation work order is issued to the intelligent mobile terminal equipment of the designated worker through the control system;
step four, isolating operation; the operator completes the isolation operation according to the isolation work order;
fifthly, confirming the isolation operation; after the operation of the isolation equipment is completed by an operator, the intelligent lock is closed, confirmation information is fed back to the control system through the intelligent mobile terminal equipment, the system detects the opening and closing state of the intelligent lock, if the intelligent lock is closed, the completion of the operation is confirmed, and if the intelligent lock is not closed, the system cannot confirm the completion of the operation and displays a prompt of not closing the lock;
sixthly, releasing isolation; after the work order tasks are completely completed, isolation of relevant equipment is removed, the management and control system issues the work order for removing the isolation task to isolation setting personnel, the isolation setting personnel go to an isolation point to check the isolation equipment, the isolation equipment is restored to be in a working state when in operation, and meanwhile, the intelligent lock and the isolation identification are removed.
2. The safety control method for electrical equipment isolation according to claim 1, wherein if more than one isolation work task is set on the same isolation work order, after the step five, the step four and the step five are repeatedly executed, the repeated execution times are the same as the number of the isolation work tasks, after the step five is executed each time, the control system detects the opening and closing state of the intelligent lock of the previous isolation equipment, and if the intelligent lock of the previous isolation equipment is not closed, the control system disables the unlocking authority of the operator.
3. The safety control method for electrical equipment isolation according to claim 1, wherein the auxiliary information added in the first step comprises a power plant plan, equipment location information, a route and an equipment location; and the remark information in the second step comprises equipment codes, equipment descriptions, equipment positions, equipment states and bound intelligent lock numbers.
4. The safety control method for electrical equipment isolation according to claim 1, wherein the isolation worksheet contains isolation equipment number, name, status, historical isolation information, the current corresponding intelligent lock number, name of isolation worker, isolation operation sequence, name of operator, and information of affiliated department.
5. The safety control method for electrical equipment isolation according to claim 1, wherein the smart mobile terminal device is a smart phone, and a special APP is installed in the smart phone.
6. The safety control method for electrical equipment isolation according to claim 5, wherein the special APP comprises a user login module, an isolation work order management module, a code scanning unlocking module and an information query module.
7. The safety management and control method for electrical equipment isolation according to claim 1, wherein the management and control system adopts a B/S architecture, and the web side comprises: the system comprises a plant area plan module, an isolation task management module, an isolation operation work order management module, an isolation device management module, an intelligent lock management module, a user management module and a query statistic module.
8. The safety control method for electrical equipment isolation according to claim 1, wherein the intelligent lock has three unlocking modes of code scanning unlocking, password unlocking and key unlocking.
9. The safety control method for electrical equipment isolation according to claim 1, wherein the intelligent lock comprises a lock body, a display module, a key module, a wireless transmission module and a positioning module.
10. The safety control method for electrical equipment isolation according to claim 5, wherein in the second step, isolation setting personnel feed isolation setting conditions back to the control system through the special APP, and in the fifth step, after completing isolation task, the personnel feed back confirmation information to the control system through the special APP.
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| CN202010995663.7A CN112116252A (en) | 2020-09-21 | 2020-09-21 | Safety control method for electrical equipment isolation |
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Cited By (4)
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| CN112734357A (en) * | 2020-12-24 | 2021-04-30 | 重庆中法供水有限公司 | Locking management method and system |
| CN114388160A (en) * | 2021-12-31 | 2022-04-22 | 江苏核电有限公司 | Intelligent isolation method and isolation device for nuclear power station equipment |
| CN115050124A (en) * | 2021-03-09 | 2022-09-13 | 核动力运行研究所 | Method and system for processing main ticket and sub ticket of nuclear power isolation license |
| CN114388160B (en) * | 2021-12-31 | 2024-10-18 | 江苏核电有限公司 | Intelligent isolation method and isolation device for nuclear power station equipment |
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| CN104636868A (en) * | 2015-02-03 | 2015-05-20 | 成都海光核电技术服务有限公司 | Application management system for nuclear power station equipment maintenance information and application method thereof |
| CN109034425A (en) * | 2018-09-03 | 2018-12-18 | 贵州电网有限责任公司 | Substation secondary device maintenance safety managing and control system and method based on Internet of Things |
| CN109544760A (en) * | 2018-12-03 | 2019-03-29 | 广州中石科技有限公司 | A kind of smart lock managing and control system |
| CN109995138A (en) * | 2018-12-07 | 2019-07-09 | 国网浙江省电力有限公司绍兴供电公司 | Substation's anti-misoperation locking management system and maintenance isolating closing lock management method |
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| CN112734357A (en) * | 2020-12-24 | 2021-04-30 | 重庆中法供水有限公司 | Locking management method and system |
| CN115050124A (en) * | 2021-03-09 | 2022-09-13 | 核动力运行研究所 | Method and system for processing main ticket and sub ticket of nuclear power isolation license |
| CN115050124B (en) * | 2021-03-09 | 2024-01-12 | 核动力运行研究所 | Nuclear power isolation license main sub-ticket processing method and system |
| CN114388160A (en) * | 2021-12-31 | 2022-04-22 | 江苏核电有限公司 | Intelligent isolation method and isolation device for nuclear power station equipment |
| CN114388160B (en) * | 2021-12-31 | 2024-10-18 | 江苏核电有限公司 | Intelligent isolation method and isolation device for nuclear power station equipment |
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