CN101820141A - Overhauling, separating, managing and controlling system of electrical equipment - Google Patents
Overhauling, separating, managing and controlling system of electrical equipment Download PDFInfo
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- CN101820141A CN101820141A CN 201010149469 CN201010149469A CN101820141A CN 101820141 A CN101820141 A CN 101820141A CN 201010149469 CN201010149469 CN 201010149469 CN 201010149469 A CN201010149469 A CN 201010149469A CN 101820141 A CN101820141 A CN 101820141A
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Abstract
The invention relates to an overhauling, separating, managing and controlling system of electrical equipment, ensuring the safety of overhauling personnel of electrical equipment. The overhauling, separating, managing and controlling system of electrical equipment comprises an overhauling, managing and controlling module and an overhauling, managing and controlling host, wherein the overhauling, managing and controlling module is embedded in a traditional anti-misoperation pattern system to run, is in charge of the communication with the overhauling, managing and controlling host, conveys a set operation task to the overhauling, managing and controlling host to be authorized, receives information returned by the overhauling, managing and controlling host and controls the simulation operation right of overhauling equipment, and the overhauling, managing and controlling host is in charge of receiving an overhauling task transferred by the overhauling, managing and controlling module and manages an authorization key or password binding. After the overhauling task is authorized to start, the information of locking the overhauling task is sent to anti-misoperation system software by the overhauling, managing and controlling module to lock equipment related to the overhauling task. The overhauling, managing and controlling host comprises human-computer interaction equipment, a plurality of intelligent key blocking columns, a plurality of blocking devices for storing and blocking the intelligent key blocking columns, a working card storage area and a card reading area. The system can ensure the safety of the overhauling personnel.
Description
Technical field
The present invention relates to five anti-electric power safety fields, the electric equipment maintenance that relates in particular to the staff's that a kind of guarantee overhauls electric equipment safety is isolated and managing and control system.
Background technology
In existing transformer station service work process, operations staff and maintainer's work is fully independently, and separately carries out.The maintainer applies for that work, operations staff permit that work, maintainer work finishes, these processes of operations staff's site inspection, maintainer's power cut-off or the like are closely bound up in whole maintenance process again.So, operations staff's operation is exercised supervision by anti-error system and restricts, and the safety of maintainer's work on the spot then relies on means such as organiztion measure and artificial differentiation to ensure fully.We should provide a cover realistic plan from technical standpoint so, operation and service work are seemed independent but there is the process that is closely related to be controlled during the course again, make repair apparatus have unique operating right, will be in maintenance process by maintenance equipment normal in service isolating, provide a safe and reliable isolation environment to service work, stop because of the security threat of electricity of misdelivering to maintainer's person.
Summary of the invention
The purpose of this invention is to provide a kind of electric equipment maintenance isolation and managing and control system that can effectively ensure electric equipment maintainer personal safety.
For achieving the above object, the invention provides following technical scheme:
The electric equipment maintenance is isolated and managing and control system, and it comprises:
Maintenance management and control module, it is embedded in the existing anti-error graphics system and moves, be responsible for communication with following maintenance management and control main frame, fixed maintenance task is sent on the maintenance management and control main frame authorizes, receive the information that maintenance management and control main frame returns, the operating right of control and maintenance task associated device;
Maintenance management and control main frame, it is responsible for receiving the maintenance task that maintenance management and control module passes over, supervisor authority key or cryptographic binding; After authorizing the maintenance task to begin, send the information that locks the maintenance task to anti-error system software, locking and maintenance task associated device by maintenance management and control module; Maintenance management and control main frame comprises human-computer interaction device, some Intelligent key locking posts, some dead lock, job card storage area, card-reading zones of depositing with locking Intelligent key locking post; The operator sends the information of lock part equipment by the human-computer interaction device to maintenance management and control main frame, and the operator imports username and password information by the human-computer interaction device; Dead lock receives the control information of maintenance management and control main frame and release or locking Intelligent key locking post, and job card is held by the maintenance personal, and card-reading zone reads job card information.
Present situation according to present overhaul of the equipments; on the basis of the safe quarantine measures of improving the existing service work of power grid enterprises; utilize the experience of the anti-for many years accumulation that delays work; it is identical to take into full account the working equipment of facing between operations staff and the maintainer; but job specification difference; and the particularity that has security implication each other; utilize electric equipment maintenance of the present invention to isolate and managing and control system; realize being grasped by the maintainer by " the operating right locking " of maintenance equipment; the operations staff must wait for the releasing of operating right; can operate the equipment that is overhauled; realization is to the safety isolation of repair apparatus and maintainer's personnel protection; to improve the fail safe of service work; stop because of operations staff's misoperation influence service work; avoid situations such as electricity, provide one independently to the maintainer because human factor causes misdelivering; safety; controlled maintenance environment.Native system designs in line with following thought: realize at work by the operating right locking of maintenance equipment, make operations staff's work and maintainer's work retrain mutually, isolate mutually; In management, realize the identification of personnel identity and authority, operations staff and maintainer's identity and authority are effectively distinguished; In the distribution of information transmission between realization service work and the operation work and authority, recurrence in the control.
Description of drawings
Fig. 1 is the sectional exploded view of the first embodiment Intelligent key locking post;
Fig. 2 is the stereogram that the first embodiment Intelligent key locking cornice has the tag slot and the key of managing;
Fig. 3 is the sectional exploded view of the second embodiment Intelligent key locking post;
Fig. 4 is the stereogram of the second embodiment Intelligent key locking post;
Fig. 5 is the cutaway view after Intelligent key locking post packed into supporting with it by dead lock;
Fig. 6 is the stereogram of dead lock;
Fig. 7 is the stereogram after Intelligent key locking post packed into supporting with it by dead lock.
The invention will be further described below in conjunction with drawings and Examples.
Embodiment
The electric equipment maintenance is isolated and managing and control system, and it comprises:
Maintenance management and control module, it is embedded in the existing anti-error graphics system and moves, be responsible for communication with following maintenance management and control main frame, fixed maintenance task is sent on the maintenance management and control main frame authorizes, receive the information that maintenance management and control main frame returns, the operating right of control and maintenance task associated device;
Maintenance management and control main frame, it is responsible for receiving the maintenance task that maintenance management and control module passes over, supervisor authority key or cryptographic binding; After authorizing the maintenance task to begin, send the information that locks the maintenance task to anti-error system software, locking and maintenance task associated device by maintenance management and control module; Maintenance management and control main frame comprises human-computer interaction device, some Intelligent key locking posts, some dead lock, job card storage area, card-reading zones of depositing with locking Intelligent key locking post; The operator sends the information of lock part equipment by the human-computer interaction device to maintenance management and control main frame, and the operator imports username and password information by the human-computer interaction device; Dead lock receives the control information of maintenance management and control main frame and release or locking Intelligent key locking post, and job card is held by the maintenance personal, and card-reading zone reads job card information.Maintenance management and control main frame adopts X86 platform, PC104 industrial control mainboard, and embedded WinXPE system, RFID radio-frequency technique have realized that a kind of integrated level is higher, it is more flexible to use, the isolated tube control products is overhauled in management more easily.Maintenance management and control main frame adopts 5 cun touch-screens as the human-computer interaction device, can finish the mandate work of maintenance task or repair apparatus by simple touch operation.
Intelligent key locking post (authorized key) is used for distinguishing maintenance director's rights of using, and maintenance management and control main frame pre-configured 10 is authorized key, and authorized key by the forced blocking of maintenance management and control main frame, can not help himself freely under holding state.When the maintenance task, confirm maintenance task and related equipment jointly by operations staff and maintenance director, after selecting corresponding authorized key, its corresponding authorized key of maintenance management and control main frame side's release, the talent is responsible in maintenance can take corresponding authorized key, in the process of system authorization, can specify a maintenance task to authorized key to every, give back the back authority and disappear, wait for next time and authorize.
The information of authorized key and corresponding personal information can be stored, consult on maintenance management and control main frame, also can be sent in the anti-error system software and store, consult by the interface with maintenance management and control module.
The electric equipment maintenance is isolated with the function of managing and control system as follows:
1, the control of site safety measure
Plan provides one with the mutual maintenance interface of operations staff, according to the safety measure on the work ticket, points for attention and dangerous spot information, allows the operations staff need the equipment of locking in the convenient setting maintenance process in this maintenance interface.
2, the control of repair apparatus
The equipment that relates in the maintenance process is divided into two classes, one class is " maintenance " equipment, another kind of is " prohibiting moving " equipment, repair apparatus is meant and can carries out the prerun apparatus operating in maintenance process, prohibit moving equipment and be meant the equipment that in maintenance process, can not move, the operations staff can manually be set at " locking " state to these two kinds of equipment respectively in the maintenance interface, the authority that will " unlock " is given the maintenance director keeping.
3, to the control of maintainer's work permit
By the operations staff maintainer is carried out work permit, intend providing authorized key or cryptographic binding two class modes, authorized key to be used for distinguishing the maintenance director, with cryptographic binding maintenance director's user name and authority.Support the mandate of the corresponding work teams and groups of a maintenance task, also support the mandate of the corresponding a plurality of work of a plurality of maintenance tasks teams and groups simultaneously, system can be according to user's field condition and managerial demand flexible configuration.
4, to the control of operations staff's behavioural norm
After system authorized (work permit) for the maintenance director, system carried out locking with the operating right of repair apparatus automatically, and the operations staff can not carry out simulated operation to this kind equipment (operating right is by the equipment of locking) in anti-error function interface.
5, the control of service work end
General, a job task corresponding one is authorized key, before the power cut-off ticket, must wait for that authorized key holder (maintenance director) takes that authorized key returns or user name, (the maintenance director who promptly is authorized to confirms that work on the spot is all in the affirmation of bound secret, staff's general evacuation scene), and by identity validation to the operations staff, come clear and definite operations staff also to confirm field condition simultaneously, the work termination, after must will being removed by the equipment of locking in anti-error system by the work director, the operations staff can be to the simulated operation of this kind equipment.
Have many during authorized key for a maintenance task, before the power cut-off ticket, must wait for that all authorized key holders take authorized key and return, confirm that all working finishes, and after all staff on board has withdrawn the scene, can remove by the operating right of interlock.
When having given a plurality of maintenance task on certain equipment, before the power cut-off ticket, must wait for that all directors that overhaul tasks take authorization card and return, confirm that all maintenance tasks are all over, all field personnel withdraw, can remove the operating right of this equipment.
6, maintainer's attendance management
The authorized key of maintenance task correspondence can be bound the group membership's of shift job card, and the job card that the staff held can be read attack time and time departure every day on the management and control main frame, each staff is carried out the management of work attendance.
Intelligent key locking post and dead lock are the cores of system hardware structure of the present invention part, and after maintenance management and control main frame was assigned unlock command, dead lock is the Intelligent key locking post of release on it.Introduce the structure of Intelligent key locking post and dead lock below respectively.
Intelligent key locking post embodiment one
Referring to Fig. 1 and Fig. 2, Intelligent key locking post divides by function and comprises that mainly ID district, degating region and handle region 203 constitute.Described I D district is a club shaped structure, and inner have a ring-type electronic tag 1 along the axis embedding, the dead in line of electronic tag 1 axis and Intelligent key locking post.In fact, electronic tag 201 axis also can be parallel with the axis of Intelligent key locking post.When Intelligent key locking post inserted dead lock, the read head in the dead lock can regularly read the information of electronic tag, if information does not match, will send alarm.I D district front end is a cone structure, is applied to the pattern that can directly deposit without authorizing.Certainly, ID district front end also can be an isometrical column structure, is applied to the pattern that can not deposit without authorizing.Degating region is provided with an annular locking groove 202 outward with the dead in line of ID district, and the counter structure in locking groove 202 and the dead lock fastens, and is used for Intelligent key locking post is fixed to dead lock.Handle region 203 is the handgrip part of Intelligent key locking post, is provided with a mount hole 2031 above, is used to articulate other keys or the similar articles that need locking.Mount hole 2031 is holes (as shown in Figure 2 in the present embodiment) of a column, conveniently is used with special key ring, the requirement that the satisfied key that refers in particular to cannot take off after key ring buckles into.Described handle region 203 is provided with a marking structure, and to satisfy the pasting of information such as the simple and easy information of key cylinder such as sequence number 34, sign cap 2032 is positioned at an end of handle region 203, and sign cap 2,032 one ends are equipped with lens 2033.Each Intelligent key locking post all should have simple and easy identification number, locates also to have identification number at deposit position (being dead lock), and this identification number forms matching relationship (generally being exactly the natural number font size) purpose visual cues corresponding relation well.
3 kinds of identification number schemes are generally arranged: the first, column handle region afterbody band lens pattern is as described in embodiment one.
The second, imitative key handle pattern, an and shallow hole is arranged on handle, the decals number of showing, or direct bat printing identification number on handle are as described in embodiment two.
The 3rd, imitative key handle pattern, but obtain to indicate purpose by related key cover that can insert various beacon information.
In addition, be to use state after the key that must be again will really will manage by an irreversible key ring of Intelligent key post or other objects are nested together.
Intelligent key locking post embodiment two
Referring to Fig. 3 and Fig. 4, the main distinction of present embodiment and embodiment one is handle region, handle region 205 is made the preventing key pattern in the present embodiment, and mount hole 2051 is traditional key handle holes, conveniently be the key ring of annular, the key chain of other management together by key ring.
Referring to Fig. 5-Fig. 7, dead lock comprises dead lock body 1, circuit board assemblies 2 and locking motor drive mechanism 3.Dead lock body 1 is provided with for the cylindrical hole 12 that inserts with Intelligent key locking post 200 that dead lock cooperates, and the detent mechanism installing hole 11 that lay respectively at cylindrical hole 12 about both sides vertical with described cylindrical hole 12 and locking motor drive mechanism installing hole 13, the read head hole 14 parallel with cylindrical hole 12.The dead in line of detent mechanism installing hole 11 and locking motor drive mechanism installing hole 13.Detent mechanism is installed in the detent mechanism installing hole 11, detent mechanism comprises ball 40, stage clip 41, pad 42 and the backing pin 43 that sets gradually from the bottom to top, actual backing pin 43 can have a lot of alternative modes, backing pin 43 is mainly used in and prevents that stage clip 41 from ejecting in detent mechanism installing hole 11, therefore, backing pin 43 can be the keeper of any known.Locking motor drive mechanism 3 is installed in the described locking motor drive mechanism installing hole 13, locking motor drive mechanism 3 tops are provided with lockweight 31, described lockweight 31 is aimed at the locking groove of Intelligent key locking post 200, and locking motor drive mechanism 3 receives the control information of described circuit board assemblies.The locking motor drive mechanism comprises that also a monostable often goes out electromagnet, and electromagnet is positioned at lockweight 31 belows, and electromagnet is electrically connected circuit board assemblies 2, the control information of receiving circuit board component 2.Be provided with signal read head 21 in the read head hole, signal read head 21 is electrically connected circuit board assemblies 2.Dead lock of the present invention also has a special advantage, adopts whole clearing material dead lock body, and a SMD highlighted LED lamp is set on circuit board assemblies 2, directly light is led dead lock body 1 outside by transparent shell.Adopt the dead lock main body of transparent scheme, make whole very convenient, attractive in appearance.With regard to dead lock body 1 outside that do not need to go between in addition indicator light is installed like this, simplifying the structure provides the foundation for the compact a plurality of dead locks of layout simultaneously.
Need the object Intelligent key locking post 200 of management to insert in the cylindrical hole 12, under the detent mechanism effect, Intelligent key locking post 200 can be stabilized is positioned at correct position, and read head 21 can be effectively carry out that signal reads and discerned by circuit board assemblies 2 and network analysis the ID in the Intelligent key locking post this moment.
Simultaneously, also just over against the lockweight 31 of locking motor drive mechanism, lockweight 31 can push resilience and go into annular locking groove the annular locking groove on the Intelligent key locking post 200 under the electromagnet effect that often goes out the monostable pattern this moment, obtained blocking.If deposit the fail lockweight 31 of system alarm then and action withdrawal monostable electromagnet of identity, can take out Intelligent key locking post 200.
Certainly, electric equipment of the present invention maintenance is isolated with managing and control system also can have other distortion.In a word, doing conspicuous change according to the prompting of the foregoing description, and other every changes that do not break away from essence of the present invention, all should be included within the described scope of claim.
Claims (8)
1. the electric equipment maintenance is isolated and managing and control system, it is characterized in that,
Comprise:
Maintenance management and control module, it is embedded in the existing anti-error graphics system and moves, be responsible for communication with following maintenance management and control main frame, fixed maintenance task is sent on the maintenance management and control main frame authorizes, receive the information that maintenance management and control main frame returns, the operating right of control and maintenance task associated device;
Maintenance management and control main frame, it is responsible for receiving the maintenance task that maintenance management and control module passes over, supervisor authority key or cryptographic binding; After authorizing the maintenance task to begin, send the information that locks the maintenance task to anti-error system software, locking and maintenance task associated device by maintenance management and control module; Maintenance management and control main frame comprises human-computer interaction device, some Intelligent key locking posts, some dead lock, job card storage area, card-reading zones of depositing with locking Intelligent key locking post; The operator sends the information of lock part equipment by the human-computer interaction device to maintenance management and control main frame, and the operator imports username and password information by the human-computer interaction device; Dead lock receives the control information of maintenance management and control main frame and release or locking Intelligent key locking post, and job card is held by the maintenance personal, and card-reading zone reads job card information.
2. electric equipment maintenance according to claim 1 is isolated and managing and control system,
It is characterized in that: described Intelligent key locking post, comprise,
The ID district, it is a club shaped structure, inner have a ring-type electronic tag along the axis embedding;
Degating region, the axis in itself and ID district is superimposed, and an annular locking groove is set outward;
Handle region is provided with at least one and is used for mount hole on it.
3. electric equipment maintenance according to claim 2 is isolated and managing and control system,
It is characterized in that: the dead in line of the axis of described electronic tag and Intelligent key locking post.
4. electric equipment maintenance according to claim 3 is isolated and managing and control system,
It is characterized in that: the end in described ID district is a taper, on the Intelligent key locking post identification number is arranged.
5. electric equipment maintenance according to claim 4 is isolated and managing and control system,
It is characterized in that: described dead lock comprises dead lock body, circuit board assemblies and locking motor drive mechanism; The dead lock body is provided with for the cylindrical hole that inserts with Intelligent key locking post that dead lock cooperates, and the detent mechanism installing hole that lay respectively at cylindrical hole about both sides vertical with described cylindrical hole and locking motor drive mechanism installing hole, the read head hole parallel with described cylindrical hole; Detent mechanism is installed in the detent mechanism installing hole, and detent mechanism comprises ball, stage clip, pad and the backing pin that sets gradually from the bottom to top; The locking motor drive mechanism is installed in the described locking motor drive mechanism installing hole, and locking motor drive mechanism top is provided with lockweight, and described lockweight is aimed at the locking groove of described Intelligent key locking post, and the locking motor drive mechanism receives the control information of described circuit board assemblies; Be provided with the signal read head in the read head hole, the signal read head is electrically connected described circuit board assemblies.
6. electric equipment maintenance according to claim 5 is isolated and managing and control system,
It is characterized in that:
The dead in line of described detent mechanism installing hole and locking motor drive mechanism installing hole.
7. electric equipment maintenance according to claim 6 is isolated and managing and control system,
It is characterized in that:
Described locking motor drive mechanism comprises that a monostable often goes out electromagnet, and described electromagnet is positioned at described lockweight below, and electromagnet is electrically connected described circuit board assemblies.
8. electric equipment maintenance according to claim 6 is isolated and managing and control system,
It is characterized in that:
Described locking motor drive mechanism comprises a stepper motor, and the output of described stepper motor connects described lockweight, and stepper motor is electrically connected described circuit board assemblies.
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CN2010101494693A CN101820141B (en) | 2010-04-09 | 2010-04-09 | Overhauling, separating, managing and controlling system of electrical equipment |
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CN2010101494693A CN101820141B (en) | 2010-04-09 | 2010-04-09 | Overhauling, separating, managing and controlling system of electrical equipment |
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CN101820141B CN101820141B (en) | 2012-06-27 |
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Cited By (16)
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CN102136683A (en) * | 2011-01-24 | 2011-07-27 | 珠海华伟电气科技股份有限公司 | Storage use management method of temporary earthing wire |
CN103015815A (en) * | 2012-12-20 | 2013-04-03 | 慈溪市三佩机械有限公司 | Fastener and manufacturing method thereof |
CN103227811A (en) * | 2012-12-27 | 2013-07-31 | 富阳市供电局 | External network server-side management and control method for electric power working site management and control system |
CN103321493A (en) * | 2013-05-24 | 2013-09-25 | 长园共创电力安全技术股份有限公司 | Electrically locked and unlocked electric mistake-proof lock |
CN103778696A (en) * | 2013-12-31 | 2014-05-07 | 长园共创电力安全技术股份有限公司 | System and method for preventing electric equipment from incorrect operation |
CN104752977A (en) * | 2015-03-13 | 2015-07-01 | 珠海许继电气有限公司 | Self-locking bolt-free quick assembly armor clamp |
CN105681433A (en) * | 2016-01-27 | 2016-06-15 | 国网上海市电力公司 | Locking system applied to electric power overhaul |
CN105701612A (en) * | 2016-01-12 | 2016-06-22 | 国家电网公司 | Overhauling isolation management system |
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 |
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 |
CN106654946A (en) * | 2016-12-14 | 2017-05-10 | 国家电网公司 | Key ring cooperatively used for overhaul isolation device |
CN107994499A (en) * | 2018-01-03 | 2018-05-04 | 王建涛 | A kind of distribution board maintenance safety isolating device |
CN109146321A (en) * | 2018-09-12 | 2019-01-04 | 珠海长园共创软件技术有限公司 | Upkeep operation security control method and system |
CN111476929A (en) * | 2020-04-30 | 2020-07-31 | 福建联合石油化工有限公司 | Electrical equipment maintenance site safety isolation method |
CN111898771A (en) * | 2019-05-05 | 2020-11-06 | 贵州中烟工业有限责任公司 | System for managing equipment maintenance process |
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 |
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Cited By (20)
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CN102136683A (en) * | 2011-01-24 | 2011-07-27 | 珠海华伟电气科技股份有限公司 | Storage use management method of temporary earthing wire |
CN103015815A (en) * | 2012-12-20 | 2013-04-03 | 慈溪市三佩机械有限公司 | Fastener and manufacturing method thereof |
CN103015815B (en) * | 2012-12-20 | 2015-04-29 | 慈溪市三佩机械有限公司 | Fastener and manufacturing method thereof |
CN103227811A (en) * | 2012-12-27 | 2013-07-31 | 富阳市供电局 | External network server-side management and control method for electric power working site management and control system |
CN103321493A (en) * | 2013-05-24 | 2013-09-25 | 长园共创电力安全技术股份有限公司 | Electrically locked and unlocked electric mistake-proof lock |
CN103321493B (en) * | 2013-05-24 | 2015-09-02 | 长园共创电力安全技术股份有限公司 | The electrical anti-error lock electrically unblocked |
CN103778696A (en) * | 2013-12-31 | 2014-05-07 | 长园共创电力安全技术股份有限公司 | System and method for preventing electric equipment from incorrect operation |
CN103778696B (en) * | 2013-12-31 | 2016-05-11 | 长园共创电力安全技术股份有限公司 | For preventing the system and method for misoperation of electrical equipment |
CN104752977A (en) * | 2015-03-13 | 2015-07-01 | 珠海许继电气有限公司 | Self-locking bolt-free quick assembly armor clamp |
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 |
CN106611452B (en) * | 2015-10-23 | 2019-10-11 | 珠海优特电力科技股份有限公司 | Overhaul isolating closing lock system and method |
CN105701612A (en) * | 2016-01-12 | 2016-06-22 | 国家电网公司 | Overhauling isolation management system |
CN105681433A (en) * | 2016-01-27 | 2016-06-15 | 国网上海市电力公司 | Locking system applied to electric power overhaul |
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 |
CN106654946A (en) * | 2016-12-14 | 2017-05-10 | 国家电网公司 | Key ring cooperatively used for overhaul isolation device |
CN107994499A (en) * | 2018-01-03 | 2018-05-04 | 王建涛 | A kind of distribution board maintenance safety isolating device |
CN109146321A (en) * | 2018-09-12 | 2019-01-04 | 珠海长园共创软件技术有限公司 | Upkeep operation security control method and system |
CN111898771A (en) * | 2019-05-05 | 2020-11-06 | 贵州中烟工业有限责任公司 | System for managing equipment maintenance process |
CN111476929A (en) * | 2020-04-30 | 2020-07-31 | 福建联合石油化工有限公司 | Electrical equipment maintenance site safety isolation method |
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 |
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