CN104680634A - Maintenance isolation locking system and method - Google Patents
Maintenance isolation locking system and method Download PDFInfo
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- CN104680634A CN104680634A CN201510096860.4A CN201510096860A CN104680634A CN 104680634 A CN104680634 A CN 104680634A CN 201510096860 A CN201510096860 A CN 201510096860A CN 104680634 A CN104680634 A CN 104680634A
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Abstract
The invention provides a maintenance isolation locking system and method. The system comprises a locking operation instruction generation module, a lock-up release instruction sending module and a first unlocking verification module, wherein the locking operation instruction generation module is used for generating a locking operation instruction according to a work task of a lock-up point requiring locking and sending the locking operation instruction to an intelligent key; the lock-up release instruction sending module is used for sending a lock-up release instruction of an isolation lock required to be unlocked by the intelligent key to an isolation lock management box according to the locking operation instruction; the first unlocking verification module is used for verifying whether the isolation lock to be opened by the intelligent key is correct or not according to the locking operation instruction and outputting an instruction for opening the isolation lock after the condition that the isolation lock to be opened by the intelligent key is correct is determined. The method is an informatization management method for realizing implementation, monitoring and dismantling of a maintenance isolation measure through application of the maintenance isolation locking system. Therefore, the management efficiency of the information process of the safe isolation measure as well as the lock in electric power system maintenance can be improved, the isolation lock is effectively prevented from being lost, and safety accidents caused by faulty operation of the isolation lock are prevented.
Description
Technical field
The present invention relates to the area of maintenance of power equipment, especially a kind of maintenance isolation locking means of isolating locking system in maintenance and using this system to realize.
Background technology
Electric system uses a large amount of power equipments, switching device etc. in the link of generating, power transformation, transmission of electricity, distribution, comprise various insulator arrangement, disconnector, isolating switch etc., these equipment, switching device need the safe operation often carrying out overhauling to guarantee equipment, thus guarantee the safe operation of electric system.Maintenance process due to power equipment, switching device needs to open a sluice gate a large amount of switching devices, the operation such as combined floodgate, as correctly do not carried out switching operation and positive lock on off state to switching device and performing service work, then easily cause the damage of power equipment, affect the safety of electrical network, even cause the injures and deaths of operating personnel.Therefore, in order to reduce the potential safety hazard caused because of abnormal startup of switching mechanism in electric power apparatus examination process, electric system adopts isolation lock to be locked by switching device, certain with hold mode, and isolation lock can only use Intelligent key to open.Usually, these need to use isolation lock place to be under lock and key called as locking poiut, namely need the keyed end taking Secure isolation measure.
Usually, when multiple work teams and groups perform service work, often all need to send the requirement of locking to same locking poiut, namely there is multiple task, often adopt the state of each locking poiut of mode record of Secure isolation measure in work ticket in real work, operating personnel to lock to locking poiut according to Secure isolation measure in work ticket or tear lock open.Therefore many locks that on on-the-spot each locking poiut, relevant multiple task is corresponding.
But operating personnel carry out locking or tearing latching operation open only according to work ticket, the unlatching of isolation lock does not carry out information management, there is potential safety hazard.Therefore, people bring into use information system management technology, generated the unlock operation instruction of isolation lock, and this operational order is sent to Intelligent key by main control system.When upper latching operation is carried out to locking poiut, Intelligent key is inserted in the lockhole of isolation lock, owing to all storing RFID chip in each isolation lock, the operational order whether Intelligent key is generated according to main control system by the isolation lock that reads the identification code that sends of RFID chip and judge that Intelligent key opens performs, and namely judges whether correct Intelligent key isolation to be opened locks.If Intelligent key judges that isolation lock to be opened is positioned at correct locking poiut, then isolation lock is opened, otherwise isolation lock can not be opened, and sends information, the isolation lock mistake that teaching process personnel open.
But, owing to only judging the whether correct of the isolation lock that Intelligent key is to be opened during inspection operation, depositing of isolation lock is not managed, causes the supervisory routine of isolating lock complicated.In order to avoid the loss of isolation lock, normally by many, Quarantine at assembly sites latch is put, and managed by special messenger, depositing of isolation lock is registered.The efficiency of management of this way to manage to isolation lock is low, and is by manual operation, easily cause isolation lock management to make mistakes, the speed of impact maintenance, and isolation lock is also easily lost.
Further, because picking and placeing of isolation lock does not carry out information system management, cause Secure isolation measure in service work not realize the management of electronic information completely, easily cause the gauge tap of repair apparatus surprisingly to be opened and easily cause security incident to occur.
In addition, after overhaul of the equipments, need to remove isolation lock, namely perform and tear latching operation open, tearing latching operation open is need to perform according to the task performance of each locking poiut, and need after tearing lock open by the isolation of dismounting lock put back to original position to isolation be locked into line pipe reason, and add up each locking poiut whether torn open lock complete.
But, by labor management mode to isolation be locked into line pipe reason often cause isolation lock management not in time, not in place, the efficiency of management of impact isolation lock, causes to the lock situation of tearing open of each locking poiut statistics not in time, affect overhaul efficiency, easily cause switching operating mistake and security incident occurs.
In addition, also situation equipment safeguarded, needs to carry out multiple locking poiut locking when overhauling is there is in field of petrochemical industry, also need to use isolation lock that locking poiut is taked Secure isolation measure, also just exist and how to manage isolation lock to avoid occurring the problem of security incident.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of maintenance isolation locking system improving the information system management of Secure isolation measure in service work.
Another object of the present invention is to provide a kind ofly effectively avoids maintenance that in electric power apparatus examination process, gauge tap is surprisingly opened isolation locking means.
In order to realize above-mentioned fundamental purpose, maintenance isolation locking system provided by the invention comprises operational order generation module of locking, the task of the locking poiut of locking as required generates operational order of locking, and operational order of locking is sent to Intelligent key, this system also comprises unlocking instruction sending module, sends the unlocking instruction of the isolation lock that Intelligent key needs to unblank according to operational order of locking to isolation lock management case; Also comprise first to unblank authentication module, whether correct according to the isolation lock that operational order checking Intelligent key of locking is to be opened, and judging that Intelligent key isolation lock to be opened exports the instruction of opening isolation and locking after correct.
From such scheme, isolation lock is placed in isolation lock management case, and operational order of locking after operational order is locked in generation is sent to isolation lock management case, isolation lock management case could be opened, and the isolation lock in isolation lock management case can take out by operating personnel.Like this, behavior adjustment management can be avoided to isolate lock, reduce the handling cost of isolating lock, improve the efficiency of management of isolation lock, and the problem of isolating lock and losing can be greatly reduced.Further, because the locking isolating lock removed by isolation lock management case according to the releasing locking instruction received, realize the information system management to isolation lock, improve the information system management degree of Secure isolation measure in service work.
In addition, owing to needing before locking first will to lock, operational order is sent to Intelligent key, Intelligent key opens isolation lock according to operational order of locking, isolation lock can be avoided like this to be opened improperly, guarantee that multiple locking poiut is locked between turn(a)round, effectively avoid gauge tap in electric power apparatus examination process surprisingly to open, avoid the generation of security incident.
A preferred scheme is, maintenance isolation locking system also comprises and tears latching operation directive generation module open, and the task performance of tearing lock point open of tearing lock as required open generates tears latching operation instruction open, and will tear latching operation instruction open and be sent to Intelligent key; Also comprise second to unblank authentication module, whether correct according to the isolation lock tearing latching operation command verification Intelligent key open to be opened, and judging that Intelligent key isolation lock to be opened exports the instruction of opening isolation and locking after correct.
As can be seen here, when tearing lock open, main control system also sends and tears latching operation instruction open and opened isolation lock and perform by Intelligent key tear latching operation open according to tearing latching operation instruction open, avoids tearing latching operation mistake open and the security incident that causes.
Further scheme is, maintenance isolation locking system also comprises record passback module of locking, and Intelligent key returns to main control system operation note of locking send the instruction of opening isolation lock according to operational order of locking after.
Visible, after Intelligent key is locked isolation according to operational order unlatching of locking is many, operation note of locking is back to main control system, is conducive to main control system record many actual situation of unblanking of isolation lock, is convenient to inspection in the future.
Further scheme is, maintenance isolation locking system also comprise tears open lock record passback module, Intelligent key according to tear open latching operation instruction send open isolation lock instruction after, return to main control system and tear latching operation record open.
As can be seen here, after tearing lock open, the concrete operations record tearing lock open is also back to main control system by Intelligent key, is conducive to checking the detailed process of tearing lock open in the future.
For realizing another above-mentioned object, the task that maintenance isolation locking means provided by the invention comprises the locking poiut of locking as required generates operational order of locking, and operational order of locking is sent to Intelligent key, and, send the unlocking instruction of the isolation lock that Intelligent key needs to unblank to isolation lock management case according to operational order of locking, whether correctly to verify the isolation lock to be opened of Intelligent key according to operational order of locking, and judge the correct rear instruction exporting unlatching isolation lock of isolation lock that Intelligent key is to be opened.
From such scheme, by isolation lock management case, line pipe reason is locked into isolation, and isolates lock management case needs according to the operational order unlatching of locking generated, avoid the isolation of operating personnel's mistake in lock, also avoid the loss of isolating lock.Further, because Intelligent key needs to open isolation lock according to the operational order of locking of generation, avoid locking because of isolation the situation that security incident is occurred by opening improperly and occur.
Accompanying drawing explanation
Fig. 1 is the system chart that application the present invention overhauls isolation locking system embodiment.
Fig. 2 is the structured flowchart that the present invention overhauls isolation locking system embodiment.
Fig. 3 is that the present invention overhauls the process flow diagram of locking in isolation locking means embodiment.
Fig. 4 is that the present invention overhauls the process flow diagram tearing lock in isolation locking means embodiment open.
Fig. 5 is the structural drawing that the present invention overhauls isolation locking system embodiment list handle Intelligent key.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Maintenance isolation locking system of the present invention is mainly used in being locked into line pipe reason in electric system for the isolation of the switching device such as locking isolating switch, isolating switch, mainly use isolation lock management case to deposit isolation lock, this system comprises the software operated in main control system, Intelligent key.Maintenance isolation locking means of the present invention is application above-mentioned maintenance isolation locking system is locked into line pipe reason method to isolation.Certainly, the present invention can also be applied in the occasion that petrochemical complex etc. needs to safeguard equipment, overhaul, and uses isolation lock to lock locking poiut, to avoid the generation of security incident.
See Fig. 1, in the maintenance field of electric system, main control system 10 pairs of Intelligent key 12 are usually used to manage.Main control system 10 is computing machine or server normally, for receiving the instruction of operating personnel's input, as operating personnel need lock to a certain locking poiut or tear latching operation open, then need to register on main control system 10, as multiple teams and groups need lock to same locking poiut or tear latching operation open, then the performance of task and the task of locking is registered by each teams and groups respectively to main control system 10.Main control system 10 generates according to received instruction the operational order and tear latching operation instruction open of locking, and by aforesaid operations instruction and tear latching operation instruction open and send out.
Such as, after a certain locking poiut is registered with the task of locking, main control system 10 generates the operational order of locking of this locking poiut, as the upper latching operation of this locking poiut is still registered by other teams and groups, then main control system 10 not regeneration to lock operational order, just register multiple tasks that this locking poiut exists.After overhaul of the equipments, as operating personnel think can tear lock open time, first need on main control system 10, register this locking poiut and can tear lock open, whether main control system 10 needs all working task judging this locking poiut complete, namely the whether equal registration work task of each teams and groups judging to register upper latching operation completes, the task do not completed as still having, namely still have that teams and groups are unregistered can tear lock open, what main control system 10 did not generate this locking poiut tears latching operation instruction open, after the work teams and groups only having all registrations to lock all register and can tear lock open, just generate and tear latching operation instruction open.
Main control system 10 is electrically connected with adapter 11, and sends to adapter 11 and lock operational order and tear latching operation instruction open.Adapter 11 can be placed many Intelligent key 12, Intelligent key 12 charges on adapter 11, and receives the information that adapter 11 sends.In Intelligent key 12, be provided with storer, this storer can store the data such as operational order and dismantling operation instruction of locking that main control system 10 is sent by adapter 11.In addition, also card reader is provided with in Intelligent key 12, for reading the identification code of isolation lock 14, the identification code of reading and the identification code needing the isolation unblanked to lock 14 contrast by Intelligent key 12, judge whether isolation lock to be opened is correct, namely judge whether this isolation lock can be unlocked, isolation lock 14 when only having isolation to be opened to lock correct, could be opened.
The present embodiment is provided with isolation lock management case 13, deposits one or many isolation lock 14 in each isolation lock management case 13.Preferably, isolation lock management case 13 also communicates with main control system 10, and the operational order of locking that main control system 10 sends can be received, judge whether the isolation lock needing to use leaves in current isolation lock management case 13 according to operational order of locking, when the isolation only having detection and isolation lock management case 13 internal memory to be placed with needs use locks 14, isolation lock management case 13 just can be unlocked, isolation lock in isolation lock management case 13 could take out and use by operating personnel, guarantee that operating personnel can not take the isolation lock 14 that should not use by mistake thus, avoid isolation lock 14 to lose.Preferably, whether isolation lock management case 13 can also detect each isolation lock and be in place, and judges the unlatching situation of each isolation lock, and the information of depositing of each isolation lock is sent to main control system 10.
See Fig. 2, maintenance isolation locking system comprises operational order generation module 20 of locking, unlocking instruction sending module 21, first unblanks authentication module 22, operation note of locking passback module 23, tear open latching operation directive generation module 25, second unblank authentication module 26 and tear open latching operation record passback module 27.Operational order generation module 20, the unlocking instruction sending module 21 of locking and tear latching operation directive generation module 25 open and be arranged in main control system 10, the first unblank authentication module 22, operation note of locking passback module 23, second is unblanked authentication module 26 and tear latching operation record passback module 27 open and be arranged in Intelligent key 14.
The operating process of locking of maintenance isolation locking system is described below in conjunction with Fig. 3.When overhauling power equipment, first need the locking poiut of determining to need to lock, operating personnel need the position inputting multiple locking poiut to main control system.Preferably, main control system allows operating personnel determine locking poiut easily by the window of display graphics.Certainly, as multiple teams and groups all need to carry out locking to same locking poiut, then the operation information of locking of this locking poiut is registered respectively to main control system.The task of multiple locking poiut that main control system inputs according to operating personnel generates many operational order of locking of isolation lock, namely performs step S1.
Then, main control system performs step S2, and the operational order of locking generated is sent to Intelligent key by adapter, like this, stores many data of the unlock operation instruction of isolation lock in Intelligent key.Simultaneously, main control system 10 also performs step S3, according to locking, operational order sends unlocking instruction to isolation lock management case, latches and is placed in multiple different isolation lock management case, then need to send unlocking instruction to multiple different isolation lock management case as isolation.
Can be unlocked after isolation lock management case receives unlocking instruction, the isolation lock that operating personnel lock required for locking poiut multiple in operational order of locking goes corresponding isolation lock management case to take isolation lock, namely performs step S4.Preferably, the isolation lock management case opened as operating personnel does not receive unlocking instruction, then isolating lock management case can not be unlocked.Like this, operating personnel can be avoided to take mistakenly and to isolate lock, guarantee the safety of isolating lock use.
Operating personnel need open isolation lock and be locked on corresponding switching device by isolation lock after taking isolation lock corresponding according to operational order of locking.Now, operating personnel need to use Intelligent key to open isolation lock, be inserted in the lockhole of isolation lock by Intelligent key, the data that the RFID chip reading each isolation lock by the reader of Intelligent key sends, namely read the identification code of isolation lock, judge whether operating personnel open isolation lock according to operational order of locking according to identification code, namely step S5 is performed, if Intelligent key detection and isolation lock opens according to operational order of locking, namely this isolation lock is authorized to be opened, then perform step S6, export and open the instruction of isolation lock, isolation lock is unlocked, isolation lock can be locked on corresponding switching device by operating personnel.As Intelligent key judges that operating personnel not do not open isolation lock according to operational order of locking, then perform step S7, export the information of isolation latching operation mistake, and isolate lock and cannot open, cause security incident to avoid the maloperation of operating personnel.
Finally, after all isolation of operational order of locking are locked in corresponding locking poiut by operating personnel, namely step S8 is performed, the all isolation locks in operational order that judge whether to lock all are locked complete, in this way, then Intelligent key is placed on adapter by operating personnel, is back to main control system by adapter operation note of locking, and namely performs step S9.Like this, main control system can record operation note of locking each time, so that inspection in the future.
Preferably, operating personnel only overhaul entering space for maintenance after multiple switching device locking power equipment according to the requirement of operational order of locking, thus guarantee the personal safety of operating personnel, also guarantee security incident to occur.
Isolation is locked and after overhauling, also needs when latching operation is torn in operating personnel's execution open to perform according to preset program, the isolation lock should not opened to avoid fault open.See Fig. 4, when latching operation is torn in execution open, operating personnel need the task of having registered, namely registration can perform the locking poiut tearing latching operation open, main control system is judging to generate after all working task of a certain locking poiut completes to tear latching operation instruction open, and namely perform step S11, the latching operation instruction of tearing open generated is sent to Intelligent key by adapter by main control system, store in Intelligent key and tear latching operation instruction open, namely perform step S12.
Then, operating personnel use Intelligent key to open isolation lock, perform step S13.After Intelligent key is inserted into isolation lock, judge whether the isolation lock opened is correct by the identification code reading isolation lock, namely judge whether that isolation lock is opened in the latching operation instruction of tearing open according to having generated, as unlock operation is incorrect, Intelligent key sends information, namely perform step S15, operating personnel also just know that unlock operation is incorrect, and isolation lock can not be unlocked.
As unlock operation is correct, namely open isolation lock according to tearing latching operation instruction open, Intelligent key exports the instruction of opening isolation lock, and isolation lock is opened, and isolation lock can take off from tearing lock point open by operating personnel, and carries out the operation of switching to switching device.Further, the Intelligent key record operation note of tearing lock open each time.
Finally, operating personnel perform step S16, all isolation lock is judged whether to put back to corresponding isolation lock management case, as all isolation lock is all put back to corresponding isolation lock management case, then perform step S17, tear latching operation record open to main control system return recording, main control system record this tear latching operation record open, so that inspection in the future.Preferably, only operating personnel, all isolation lock is all put back in corresponding isolation lock management case, the equipment that maintenance is complete could be started, to ensure the security of operation of power equipment.
The Intelligent key that the present invention uses can be single handle rotary type intelligent key, and as shown in Figure 5, Intelligent key 12 has housing 31, has a locking bar 32 in one end of housing 31, and housing 31 is also provided with display screen 33 and multiple button 34.Correspondingly, isolation lock is monotrysian type numeral isolation lock.Certainly, Intelligent key also can be two handles Intelligent key, and corresponding isolation lock is double-control digital isolation lock.
Finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, as the change etc. of Intelligent key with the isolation change of lock construction, the generation method of operational order of locking changes and also should be included in the protection domain of the claims in the present invention.
Claims (10)
1. maintenance isolation locking system, comprising:
Lock operational order generation module, the task of the locking poiut of locking as required generates operational order of locking, and described operational order of locking is sent to Intelligent key;
It is characterized in that:
Unlocking instruction sending module, sends the unlocking instruction of the isolation lock that described Intelligent key needs to unblank to isolation lock management case according to described operational order of locking;
First unblanks authentication module, verifies that whether described Intelligent key isolation lock to be opened is correct according to described operational order of locking, and is judging that described Intelligent key isolation lock to be opened exports the instruction of opening isolation and locking after correct.
2. maintenance isolation locking system according to claim 1, is characterized in that:
Described maintenance isolation locking system also comprises:
Tear latching operation directive generation module open, the task performance of tearing lock point open of tearing lock as required open generates tears latching operation instruction open, and tears latching operation instruction open be sent to described Intelligent key by described;
Second unblanks authentication module, and whether correct according to described if tearing the isolation lock that described in latching operation command verification, Intelligent key is to be opened open, and is judging that described Intelligent key isolation lock to be opened exports the instruction of opening isolation and locking after correct.
3. maintenance isolation locking system according to claim 1, is characterized in that:
Described maintenance isolation locking system also comprises:
Record of locking returns module, and described Intelligent key returns to main control system operation note of locking send the instruction of opening isolation lock according to described operational order of locking after.
4. maintenance isolation locking system according to claim 2, is characterized in that:
Described maintenance isolation locking system also comprises:
Tear open lock record passback module, described Intelligent key according to described tear open latching operation instruction send open isolation lock instruction after, return to main control system and tear latching operation record open.
5. the maintenance isolation locking system according to any one of Claims 1-4, is characterized in that:
Described Intelligent key is single handle Intelligent key.
6. maintenance isolation locking means, comprises
The task of the locking poiut of locking as required generates operational order of locking, and described operational order of locking is sent to Intelligent key;
It is characterized in that:
Send the unlocking instruction of the isolation lock that described Intelligent key needs to unblank to isolation lock management case according to described operational order of locking;
Verify that described Intelligent key isolation lock to be opened is whether correct according to described operational order of locking, and judging that described Intelligent key isolation lock to be opened exports the instruction of opening isolation and locking after correct.
7. maintenance isolation locking means according to claim 6, is characterized in that:
Described Intelligent key also performs following steps after sending the instruction of unlatching isolation lock according to described operational order of locking to described isolation lock:
The task performance of tearing lock point open of tearing lock as required open generates tears latching operation instruction open, and tears latching operation instruction open be sent to described Intelligent key by described;
Whether correct according to described if tearing isolation that described in latching operation command verification, Intelligent key is to be opened lock open, and judging that described Intelligent key isolation lock to be opened exports the instruction of opening isolation and locking after correct.
8. maintenance isolation locking means according to claim 6, is characterized in that:
Described Intelligent key returns to main control system operation note of locking send the instruction of opening isolation lock according to described operational order of locking after.
9. maintenance isolation locking means according to claim 7, is characterized in that:
Described Intelligent key according to described tear open latching operation instruction send open isolation lock instruction after, return to main control system and tear latching operation record open.
10. the maintenance isolation locking means according to any one of claim 6 to 9, is characterized in that:
Described Intelligent key is single handle Intelligent key.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510096860.4A CN104680634A (en) | 2015-03-04 | 2015-03-04 | Maintenance isolation locking system and method |
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| CN201510096860.4A CN104680634A (en) | 2015-03-04 | 2015-03-04 | Maintenance isolation locking system and method |
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| CN105701612A (en) * | 2016-01-12 | 2016-06-22 | 国家电网公司 | Overhauling isolation management system |
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| CN106611452A (en) * | 2015-10-23 | 2017-05-03 | 珠海优特电力科技股份有限公司 | Maintenance isolation latching system and method |
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| CN107994499A (en) * | 2018-01-03 | 2018-05-04 | 王建涛 | A kind of distribution board maintenance safety isolating device |
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| CN112150673A (en) * | 2020-09-21 | 2020-12-29 | 武汉瑞莱保能源技术有限公司 | Electrical equipment isolation management and control system based on Internet of things technology |
| CN112365012A (en) * | 2020-11-10 | 2021-02-12 | 珠海优特电力科技股份有限公司 | Safety control method and system for petrochemical process production maintenance operation and storage medium |
| CN112365012B (en) * | 2020-11-10 | 2024-01-26 | 珠海优特电力科技股份有限公司 | Safety control method and system for petrochemical process production maintenance operation and storage medium |
| CN115749462A (en) * | 2022-10-11 | 2023-03-07 | 核动力运行研究所 | Intrinsically safe nuclear power isolation lock system |
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