CN101976617A - Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system - Google Patents
Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system Download PDFInfo
- Publication number
- CN101976617A CN101976617A CN 201010282028 CN201010282028A CN101976617A CN 101976617 A CN101976617 A CN 101976617A CN 201010282028 CN201010282028 CN 201010282028 CN 201010282028 A CN201010282028 A CN 201010282028A CN 101976617 A CN101976617 A CN 101976617A
- Authority
- CN
- China
- Prior art keywords
- cross
- operations
- locking system
- work
- warning sign
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses a method for preventing accidents in mechanical cross operations by utilizing an anti-misoperation locking system, which belongs to the technical field of power plant equipment safety. Firstly, a cross-operation logic lock is added to the logic lock of the anti-misoperation locking system. When cross operations exist in information of work tickets and operation tickets input in the anti-misoperation locking system, the cross-operation logic lock is started, and multiple operations acting on the same object are performed to add the suspension warning sign code of a corresponding object in a computer simulated logic diagram. The object is stored in the work ticket and the operation ticket before operations and is stored in the memory of the cross-operation logic lock. Cross operations are judged through the number of objective warning signs. Only when all the work tickets are withdrawn, operators can take the operation tickets and computer keys to complete on-site operations and key state return operations. The method has the advantages that cross operations and common operations are distinguished vividly, and safety problems arising from multiple cross operations and overlapped safety precautions during comprehensive maintenance of power plants are effectively solved.
Description
Technical field
The invention belongs to electric power factory equipment safe practice scope, be particularly related to the anti-misoperation locking equipment that utilizes, cross-operation face a kind of anti-error locking systems that utilize many, the overlapping safety problem of bringing of safety measure prevent the method that the cross-operation in the mechanical work has an accident in the comprehensive maintenance process of solution power plant.
Background technology
Synthetic anti-mistaken closedown system: be a kind of employing computer technology, can be used for the device that electric equipment and plant equipment prevent misoperation simultaneously.Usually mainly form by function element such as main frame, imitation screen, computer key, mechanical coding lock, electric coding locks.Present comprehensive anti-error system imitation screen adopts large scale computer touch-screen, accesses relevant sight-reading chart as required, simulated operation on touch-screen.Because each module generates with software, can infinite expanding.
The anti-error locking system of using in current accumulation of energy power plant all adopts workflow diagram shown in Figure 1, comprises the following steps: to enter anti-error locking system, according to the write operation ticket carries out simulated operation, simulated operation finishes to computer key transmit operation ticket, takes operation order and computer key to go execute-in-place, key state back delivery operations to finish.It mainly designs is valve in the mechanical work, and equipment such as pipeline and gate, and the locking between them etc., the corresponding work ticket of operations staff just operation are once hung " quiescing, the someone a works " indication plate just accordingly.Cross-operation face is many, the overlapping safety problem of bringing of safety measure is commonplace yet exist in the comprehensive machinery overhaul process of power plant, exemplify with two standard service work tickets and illustrate: one is " unit ball valve maintenance hydraulic machinery work ticket ", other one is " unit hydraulic turbine maintenance hydraulic machinery work ticket ", and the safety measure of these two work all exists and same operation occurs:
(1) closes the unit ball valve.
(2) drop into unit ball valve maintenance sealing and drop into, the servomotor locking drops into.
These two machinery overhaul work have same safety measure requirement to same equipment, and this has also just produced safety measure juxtaposition phenomenon, and the beginning of these two work and finish time are also inequality.The measure that this also just means lap could recover after can only waiting these relevant two work all to finish, otherwise just will cause accident to take place.In addition, indication plate on the equipment is lost or the back mistake that is touched down hangs on other equipment if hang over, and the operations staff can think by mistake and not have the safety measure requirement herein in recovery process, can resume operation, thereby personal equipment breakdown takes place.When not considering the plant equipment maintenance in original anti-error locking system, the situation of a plurality of teams and groups cross-operation, original anti-error locking system can not be distinguished the machinery overhaul task one by one, a plurality of teams and groups all require certain a pair of picture operation, can not all maintenance teams and groups work finish simultaneously, cause the switch that has cross-operation not recover simultaneously easily, especially during unit has long-time maintenance task, this phenomenon is more obvious, so there is critical defect in existing anti-error locking system, existing anti-error locking system exists the many overlapping safety problems of bringing of safety measure of cross-operation face commonplace, therefore, need be in conjunction with pumped storage power plant production equipment actual conditions, research and development prevents the anti-error locking system of mechanical cross-operation operation.
Summary of the invention
A kind of anti-error locking system that utilizes that the purpose of this invention is to provide the safety problem that solves cross-operation prevents the method that the cross-operation in the mechanical work has an accident, and it is characterized in that, comprises the steps: to comprise step:
1) enters anti-error locking system;
2) in the logic blocking of anti-error locking system, add the cross-operation logic blocking;
3) work ticket of input service and operation order information;
4) carry out simulated operation according to write operation ticket;
5) the record object hangs warning sign quantity;
6) judge whether to be cross-operation by warning sign;
7) be, start the cross-operation locking, other cross-operation information is pointed out in shut-down operation;
8), the director does not agree back releasing cross-operation locking;
9) take operation order and computer key to remove execute-in-place;
10) key state back delivery operations finishes.
Described step 7) is by step 5)-6) the record object hangs warning sign quantity and judges, if there is cross-operation, the cross-operation logic blocking starts, to acting on a plurality of suspension warning sign codings that add corresponding object in the computer simulation logic diagram that operate in of same target, this object deposits work ticket and operation order in before operation, and be stored in the cross-operation logic blocking memory, and shut-down operation, point out other cross-operation information; Thereby in computer software, can see relating to and increase already present operation of the object of Job Operations time and corresponding work ticket, can see intuitively that like this this object has related to what work tickets and operation order, and the measure of each working face and director, as long as there is the crosspoint in a plurality of tasks, the cross-operation logic blocking can stop single measure to recover automatically;
Described step 8) is to be judged as not to be cross-operation, then system handles by non-cross-operation, after the on-the-spot affirmation of director does not exist cross-operation and operation all to finish, agrees to remove cross-operation, take operation order and computer key to remove execute-in-place then, computer key state back delivery operations finishes.
The same target scene of described cross-operation hangs a plurality of warning signs simultaneously.
Corresponding one or more operation order of a described work ticket and corresponding one or more warning sign.
A warning sign of described record object is represented a measure, corresponding coding.
Described object comprises valve, pipeline, gate, sealing and locking for being responsible for all plant equipment of the normal operation of power plant.
The invention has the beneficial effects as follows and utilize anti-misoperation locking equipment and software that the cross-operation face in the comprehensive machinery overhaul process of power plant of solving is many, a kind of new method of the overlapping safety problem of bringing of safety measure.In the logic blocking of anti-error locking system, add the cross-operation logic blocking, take the same target scene is hung simultaneously the measure of a plurality of warning signs, from the software simulation to the scene, can both discern cross-operation and the cross-operation object be carried out locking with fork operation logic blocking, distinguish cross-operation and common operation very intuitively, effectively control the maintenance safety problem.
Description of drawings
Fig. 1 is band mechanical anti-misoperation block sytem work on hand flow chart.
Fig. 2 is the mechanical anti-misoperation block sytem workflow diagram that has anti-cross-operation function.
Fig. 3 is the mechanical anti-misoperation block sytem practical application explanation that has anti-cross-operation function.
Embodiment
The invention provides a kind of anti-error locking system that utilizes and prevent the method that the cross-operation in the mechanical work has an accident, this method is utilized anti-misoperation locking equipment and software, solves many, the overlapping safety problem of bringing of safety measure of cross-operation face in the comprehensive maintenance process of power plant.By increase the cross-operation module on each switch of simulation in software, the interrelated relation between editor's cross-operation module and controlling object solves the safety problem of cross-operation.Figure 2 shows that the mechanical anti-misoperation block sytem workflow diagram that has anti-cross-operation function.Enter anti-error software systems, in the logic blocking of anti-error locking system, add the work ticket of cross-operation logic blocking, input service and operation order information, anti-error software systems are according to the write operation ticket carries out simulated operation, the record object hangs warning sign quantity, judges whether to be cross-operation by warning sign quantity, judge whether the cross-operation into machinery; If, starting the cross-operation logic blocking, other cross-operation information is pointed out in shut-down operation; If not, carry out simulated operation, take operation order and computer key to go execute-in-place, key state back delivery operations to finish according to write operation ticket.
Corresponding one or more operation order of an above-mentioned work ticket, corresponding one or more warning signs simultaneously.
A warning sign of the object in the computer simulation logic diagram is represented a measure, corresponding coding, promptly when to the same target multi-pass operation, because operand is defined by last work ticket, the new work ticket definition that only increases the back during this object of repetitive operation in software gets final product.Therefore can hang a plurality of warning signs simultaneously at the scene of the same target of cross-operation.For example in the anti-error locking system practical application that has anti-cross-operation function shown in Figure 3 illustrates, the unit mechanical measure has two service work tickets of first, second: first is unit ball valve maintenance hydraulic machinery work ticket, and second is unit hydraulic turbine maintenance hydraulic machinery work ticket.Object place in the computer simulation logic diagram shows that there is measure in first first work ticket: (1) closes the unit ball valve.(2) drop into unit ball valve maintenance sealing and drop into, the servomotor locking drops into.There is measure in second second work ticket, and (1) closes the unit ball valve.(2) drop into unit ball valve maintenance sealing and drop into, the servomotor locking drops into.Two measures are identical, but service work time order and function, length difference, and then " close the unit ball valve and drop into unit ball valve maintenance sealing and drop into, the servomotor locking drops in software." will be defined simultaneously twice; hang two labels; start the cross-operation logic blocking this moment; anyly relate to this operation of two and all can not carry out; could recover this two measures after two work tickets are all regained, remove warning sign, this moment is if think the recovery of single work ticket; could remove the cross-operation logic blocking, the end of computer key state back delivery operations after having only director's affirmation of first, second work ticket.So just distinguish mechanical cross-operation and mechanical common operation very intuitively, effectively control the safety problem of machinery overhaul.
Claims (5)
1. one kind is utilized anti-error locking system to prevent the method that the cross-operation in the mechanical work has an accident, and it is characterized in that, comprises step:
1) enters anti-error locking system;
2) in the logic blocking of anti-error locking system, add the cross-operation logic blocking;
3) work ticket of input service and operation order information;
4) carry out simulated operation according to write operation ticket;
5) the record object hangs warning sign quantity;
6) judge whether to be cross-operation by warning sign;
7) be, start the cross-operation locking, other cross-operation information is pointed out in shut-down operation;
8), the director does not agree back releasing cross-operation locking;
9) take operation order and computer key to remove execute-in-place;
10) key state back delivery operations finishes;
Described step 7) is by step 5)-6) the record object hangs warning sign quantity and judges, if there is cross-operation, the cross-operation logic blocking starts, to acting on a plurality of suspension warning sign codings that add corresponding object in the computer simulation logic diagram that operate in of same target, this object deposits work ticket and operation order in before operation, and be stored in the cross-operation logic blocking memory, and shut-down operation, point out other cross-operation information; Thereby in computer software, can see relating to and increase already present operation of the object of Job Operations time and corresponding work ticket, can see intuitively that like this this object has related to what work tickets and operation order, and the measure of each working face and director, as long as there is the crosspoint in a plurality of tasks, the cross-operation logic blocking can stop single measure to recover automatically;
Described step 8) is to be judged as not to be cross-operation, then system handles by non-cross-operation, after the on-the-spot affirmation of director does not exist cross-operation and operation all to finish, agrees to remove cross-operation, take operation order and computer key to remove execute-in-place then, computer key state back delivery operations finishes.
2. utilize anti-error locking system to prevent the method that the cross-operation in the mechanical work has an accident according to claim 1, it is characterized in that, the same target scene of described cross-operation hangs a plurality of warning signs simultaneously.
3. utilize anti-error locking system to prevent the method that the cross-operation in the mechanical work has an accident according to claim 1, it is characterized in that, corresponding one or more operation order of a described work ticket and corresponding one or more warning sign.
4. prevent the method that the cross-operation in the mechanical work has an accident according to the described anti-error locking system that utilizes of claim 1, it is characterized in that a warning sign of described record object is represented a measure, corresponding coding.
5. prevent the method that the cross-operation in the mechanical work has an accident according to claim 1 or the 4 described anti-error locking systems that utilize, it is characterized in that, described object comprises valve, pipeline, gate, sealing and locking for being responsible for all plant equipment of the normal operation of power plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010282028 CN101976617A (en) | 2010-09-14 | 2010-09-14 | Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010282028 CN101976617A (en) | 2010-09-14 | 2010-09-14 | Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101976617A true CN101976617A (en) | 2011-02-16 |
Family
ID=43576489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010282028 Pending CN101976617A (en) | 2010-09-14 | 2010-09-14 | Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101976617A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106372786A (en) * | 2016-08-29 | 2017-02-01 | 长园共创电力安全技术股份有限公司 | "Two ticket" operation safety management and control system and method |
| CN107346109A (en) * | 2016-05-06 | 2017-11-14 | 珠海优特电力科技股份有限公司 | Managing and control system and method for job safety |
| CN109167290A (en) * | 2018-08-22 | 2019-01-08 | 中电投东北能源科技有限公司 | Confined space operation prevents the braking error-proof device and control method of maloperation |
| CN109634173A (en) * | 2018-12-12 | 2019-04-16 | 广东电网有限责任公司 | A kind of spare anti-misoperation locking operating method |
| CN111968273A (en) * | 2020-08-31 | 2020-11-20 | 珠海长园共创软件技术有限公司 | Method, system, management equipment and storage medium for power plant maintenance and isolation |
| CN112330128A (en) * | 2020-10-29 | 2021-02-05 | 广东电网有限责任公司 | Production operation management method, device, equipment and storage medium |
| CN112489556A (en) * | 2020-11-20 | 2021-03-12 | 江苏核电有限公司 | Mechanical interlocking key positioning method for electrical equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697400A (en) * | 2009-10-26 | 2010-04-21 | 华北电网有限公司北京十三陵蓄能电厂 | Method for preventing accident of cross operation by five-prevention shutting system |
| CN101776910A (en) * | 2010-01-19 | 2010-07-14 | 华北电网有限公司 | Integrated five-prevention operation ticket system-based substation programmed control system |
-
2010
- 2010-09-14 CN CN 201010282028 patent/CN101976617A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697400A (en) * | 2009-10-26 | 2010-04-21 | 华北电网有限公司北京十三陵蓄能电厂 | Method for preventing accident of cross operation by five-prevention shutting system |
| CN101776910A (en) * | 2010-01-19 | 2010-07-14 | 华北电网有限公司 | Integrated five-prevention operation ticket system-based substation programmed control system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346109A (en) * | 2016-05-06 | 2017-11-14 | 珠海优特电力科技股份有限公司 | Managing and control system and method for job safety |
| CN106372786A (en) * | 2016-08-29 | 2017-02-01 | 长园共创电力安全技术股份有限公司 | "Two ticket" operation safety management and control system and method |
| CN109167290A (en) * | 2018-08-22 | 2019-01-08 | 中电投东北能源科技有限公司 | Confined space operation prevents the braking error-proof device and control method of maloperation |
| CN109167290B (en) * | 2018-08-22 | 2023-10-20 | 中电投东北能源科技有限公司 | Brake error preventing device for preventing misoperation in limited space operation and control method |
| CN109634173A (en) * | 2018-12-12 | 2019-04-16 | 广东电网有限责任公司 | A kind of spare anti-misoperation locking operating method |
| CN111968273A (en) * | 2020-08-31 | 2020-11-20 | 珠海长园共创软件技术有限公司 | Method, system, management equipment and storage medium for power plant maintenance and isolation |
| CN112330128A (en) * | 2020-10-29 | 2021-02-05 | 广东电网有限责任公司 | Production operation management method, device, equipment and storage medium |
| CN112489556A (en) * | 2020-11-20 | 2021-03-12 | 江苏核电有限公司 | Mechanical interlocking key positioning method for electrical equipment |
| CN112489556B (en) * | 2020-11-20 | 2022-05-13 | 江苏核电有限公司 | Mechanical interlocking key positioning method for electrical equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101976617A (en) | Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system | |
| CN103389705B (en) | Operation supervise and control system and operation supervise and control method | |
| CN101483076B (en) | Nuclear power plant experiment control system and nuclear power plant monitoring equipment | |
| CN103220180B (en) | The processing method that a kind of OpenStack cloud platform is abnormal | |
| CN103661494B (en) | Straddle-type joint turnout method of inspection | |
| CN104976517A (en) | Wharf water supply pipe network online supervision method | |
| CN101697400B (en) | Method for preventing accident of cross operation by five-prevention shutting system | |
| CN104898645B (en) | A kind of satellite fault detection isolation recovery policy and tactful dynamic adjusting method | |
| CN103886139A (en) | Event interaction method based on building information model (BIM) | |
| CN101458973A (en) | Safety monitoring system for nucleus electromotor unit | |
| CN106155023B (en) | A kind of anti-misoperation system and its method of universal scattered control system | |
| CN102298980A (en) | Protection exit method for million-kilowatt digital nuclear power plant reactor | |
| CN102841943A (en) | Data safety supervision early warning and backup strategy system and method | |
| CN105404962A (en) | Modification strategy of electric power system relay protection device and generation system thereof | |
| CN106151170A (en) | The method for diagnosing faults of a kind of hydraulic system, device and tippler | |
| CN101840742B (en) | Method and system for setting default value of digital control system in nuclear power plant | |
| David et al. | Operational experience feedback in JET Remote Handling | |
| JP2009211164A (en) | Plant maintenance plan support system and method | |
| CN104065510A (en) | PetriNet-based system operation and maintenance monitoring method and PetriNet-based system operation and maintenance monitoring system | |
| CN104332992A (en) | Power distribution network looped network diagram safety verification method | |
| CN101819823B (en) | Electronic hang tag system of nuclear power plant | |
| CN101118435A (en) | Method for on site debugging PLC which divorced from computer | |
| Huang et al. | Integrated software safety analysis method for digital I&C systems | |
| CN206178970U (en) | A intelligence is key system still for vehicle management | |
| CN105159178A (en) | Object-based fixed value area sequential switching program control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110216 |