CN109462279A - It is grounded wire management device and management method - Google Patents

It is grounded wire management device and management method Download PDF

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Publication number
CN109462279A
CN109462279A CN201810140124.8A CN201810140124A CN109462279A CN 109462279 A CN109462279 A CN 109462279A CN 201810140124 A CN201810140124 A CN 201810140124A CN 109462279 A CN109462279 A CN 109462279A
Authority
CN
China
Prior art keywords
closedown structure
controller
air pump
attachment
fixing seat
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.)
Granted
Application number
CN201810140124.8A
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Chinese (zh)
Other versions
CN109462279B (en
Inventor
陈刚
傅进
周刚
徐浩
汤晓石
陈志�
陆飞
戚中译
宋明月
高博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201810140124.8A priority Critical patent/CN109462279B/en
Publication of CN109462279A publication Critical patent/CN109462279A/en
Application granted granted Critical
Publication of CN109462279B publication Critical patent/CN109462279B/en
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    • H02J13/0013
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00571Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00896Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electric Cable Installation (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

The invention discloses a kind of ground connection wire management devices, including five anti-machines, control host, m closedown structure, and m is greater than 1, is equipped with the latching accessory connecting with closedown structure on each closedown structure;Five anti-machines are electrically connected with control host;Each latching accessory includes attachment housings, the label chip in attachment housings, ground connection line jack in attachment housings and the ground line connecting with ground connection line jack;Each closedown structure includes closedown structure shell, set on the intracorporal controller of closedown structure shell, the fixing seat for fixed latch attachment on closedown structure shell, set on the intracorporal tag recognizer of closedown structure shell, set on intracorporal first air pump of closedown structure shell, set on several closedown structure suckers of closedown structure housing bottom, the first air pump is connected to each closedown structure sucker respectively by gas pipeline.The present invention has the characteristics that structure simple, convenience and high-efficiency, highly-safe.

Description

It is grounded wire management device and management method
Technical field
The present invention relates to managing security tools and instruments of transformer substation technical field, simple, convenience and high-efficiency, peace more particularly, to a kind of structure The ground connection wire management device and management method of Quan Xinggao.
Background technique
Equipment most important for the management of ground line in substation, that needs are overhauled, it is necessary to mounting ground line, Guarantee is provided to the safety of staff.If overhaul of the equipments finishes, temporary ground wire is not removed before power transmission, will also be made At the serious pernicious operating accident with ground wire power transmission, it occupies first place in five class misoperation fault of electric system.
Currently, substation's O&M or service personnel are when using ground line, there are the following problems: ground line storage is not Specification does not fix storage position, exists and throw out the case where leaving about without care;Ground line is taken, and use is lack of standardization, and existing arbitrarily to take makes The case where using;Ground line takes, using, give back when links cannot effectively be managed, make that ground line has that leakage tears open can Can, there are great security risks.Therefore, for current condition, urgent need develops a kind of ground connection wire management device and method, to change All ground lines are effectively managed in the station of power station, and form forced blocking with running equipment, it appears very necessary and urgent.
Present locking device for grounding wire is latched using electromagnetism mostly, and the use of electromagnet can generate chip and code reader Interference, influences reading code efficiency, or even leads to the problem of and can not normally identify chip.
Summary of the invention
Goal of the invention of the invention is to overcome ground line storage in the prior art chaotic, and there are major safety risks Deficiency, provide that a kind of structure is simple, convenience and high-efficiency, highly-safe ground connection wire management device and management method.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of ground connection wire management device, including five anti-machines control host, m closedown structure, and m is greater than 1, each locking knot The latching accessory connecting with closedown structure is equipped on structure;Five anti-machines are electrically connected with control host;Each latching accessory includes Attachment housings, the label chip in attachment housings and connect ground connection line jack in attachment housings with ground connection line jack The ground line connect;Each closedown structure includes closedown structure shell, is set to the intracorporal controller of closedown structure shell, is set to locking The fixing seat for fixed latch attachment in structure housing is set to the intracorporal tag recognizer of closedown structure shell, is set to locking Intracorporal first air pump of structural shell, set on several closedown structure suckers of closedown structure housing bottom, the first air pump passes through gas Body pipeline is connected to each closedown structure sucker respectively;Tag recognizer, the first air pump are electrically connected with the controller, each control Device is electrically connected with control host.
The present invention can solve the problems such as current computer anti-misoperation and lockout device can not identify management to temporary ground wire, moreover it is possible to Whether real-time query ground wire is just taking the usage history record etc. put back to away in ground wire room or wiring cabinet designated position and ground wire. Accomplish to use by chapter, standardized administration, have record that can inquire, prevents arbitrarily chaotic use, provided effectively for electricity safety production Guarantee.Closedown structure is fixed on the position that need to place ground line, such as ground wire cabinet using sucker structure by the present invention, is grounded It is connect with latching accessory, the label chip of latching accessory becomes the unique identity information of ground line, the tag recognition of closedown structure Device label chip for identification, and information is passed to controller and carries out unified login management.
Preferably, closedown structure shell is in rectangle, fixing seat is in rectangle, fixing seat to closedown structure shell sunken inside, Fixing seat bottom is equipped with annular air-pocket, is equipped with several attachment suckers in the middle part of fixing seat, annular air-pocket and each attachment sucker are equal It is connect with the second air pump, the adsorption plane of each attachment sucker is upward;Second air pump is located in closedown structure shell;Second air pump It is electrically connected with the controller.
Preferably, fixing seat bottom is equipped with pressure sensor, pressure sensor is electrically connected with the controller.
Preferably, latching accessory is in rectangle, label chip is located at the lower part of latching accessory, and it is attached that ground wire jack is located at locking The top of part, ground wire jack are equipped with anti-loosening washer, and anti-loosening washer inner surface is equipped with several rectangular teeths.
Preferably, label chip and tag recognizer are corresponding.
Preferably, label chip is RFID code chip, tag recognizer is RFID reader.
A kind of management method based on ground connection wire management device, includes the following steps:
When (7-1) user is needed using ground line, user selects the number of ground line to be used on five anti-machines, Five anti-machines assign instruction to control host;
After (7-2) controls the instruction that host receives five anti-machines, unlock is assigned to the closedown structure of the number of corresponding ground line Instruction;
(7-3) closedown structure is unlocked operation to latching accessory, and user can normal use ground line;
When (7-4) user gives back ground line, the latching accessory of ground line is inserted into closedown structure;
(7-5) closedown structure identifies latching accessory, and latching accessory is locked;
The locked state of ground line is uploaded to control host by (7-6) controller, is controlled information after host receives Five anti-machines are uploaded to, five anti-machines are according to the state for reporting information update to be grounded.
Preferably, (7-3) includes the following steps:
After (8-1) controller receives the unlock instruction of control host, the second air pump is controlled to annular air-pocket and each attachment Sucker is inflated;
Latching accessory is lifted by (8-2) air bag, and the chip of latching accessory is detached from the identification position of tag recognizer, control Device processed sends information to control host, and latching accessory is prompted to be detached from closedown structure, and control host setting chip is detached from tag recognition Device identifies the set time of position, and user takes out latching accessory;
The time that (8-3) chip is detached from the identification position of tag recognizer is more than the set time for controlling host setting, control Host processed sends to controller and instructs, and controller control air pump is evacuated air bag, air bag recycling.
Preferably, (7-5) includes the following steps:
Latching accessory is inserted into fixing seat, pressure sensor notification controller by (9-1) user;
(9-2) controller controls the second air pump and is evacuated to the air in attachment sucker, and attachment sucker suction lives to be latched Attachment is locked;
(9-3) tag recognizer identifies identification label, and recognition result is reported to controller.
Therefore, the invention has the following beneficial effects: the configuration of the present invention is simple, will not be to label chip, tag recognizer Electromagnetic interference is generated, service efficiency is high, and safety is good, carries out unified efficient management convenient for earth wire.Present invention realization connects The unique identification of ground wire manages while realizing different type voltage class ground wire, and real-time display ground wire use state, one is arranged It is standby to manage more piece-root grafting ground wires simultaneously.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention;
Fig. 2 is a kind of structural schematic diagram of closedown structure of the invention;
Fig. 3 is a kind of structural schematic diagram of latching accessory of the invention;
Fig. 4 is a kind of top view of pedestal of the invention;
Fig. 5 is electrical connection schematic diagram of the invention.
In figure: five anti-machines 1 control host 2, closedown structure 3, latching accessory 4, attachment housings 5, label chip 6, ground line Jack 7, ground line 8, closedown structure shell 9, controller 10, fixing seat 11, tag recognizer 12, the first air pump 13, locking knot Structure sucker 14, annular air-pocket 15, attachment sucker 16, the second air pump 17, pressure sensor 18, anti-dropout coil 19.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
The present embodiment is a kind of ground connection wire management device, as shown in Figure 1, shown in Figure 5, including five anti-machines 1, control 2,3, host Closedown structure 3 is equipped with the latching accessory 4 connecting with closedown structure on each closedown structure;Five anti-machines are electrically connected with control host It connects;Each latching accessory as shown in Figure 3 includes attachment housings 5, the label chip 6 in attachment housings, is set to attachment Ground connection line jack 7 on shell and the ground line 8 being connect with ground connection line jack;Each closedown structure as shown in Figure 2 includes Closedown structure shell 9 is set to the intracorporal controller 10 of closedown structure shell, attached for fixed latch on closedown structure shell The fixing seat 11 of part is set to the intracorporal tag recognizer 12 of closedown structure shell, is set to intracorporal first air pump 13 of closedown structure shell, Set on several closedown structure suckers 14 of closedown structure housing bottom, the first air pump by gas pipeline respectively with each locking The connection of structure sucker;Tag recognizer, the first air pump are electrically connected with the controller, and each controller is electrically connected with control host It connects.
As shown in Fig. 2, closedown structure shell is in rectangle, fixing seat as shown in Figure 4 is in rectangle, and fixing seat is to closedown structure Shell sunken inside, fixing seat bottom are equipped with annular air-pocket 15, are equipped with several attachment suckers (16), annular air-pocket in the middle part of fixing seat It is connect with the second air pump (17) with each attachment sucker, the adsorption plane of each attachment sucker is upward;Second air pump, which is located at, to be closed In lock construction shell;Second air pump is electrically connected with the controller.Fixing seat bottom be equipped with pressure sensor (18), pressure sensor with Controller electrical connection.
Latching accessory as shown in Figure 3 is in rectangle, and label chip is located at the lower part of latching accessory, and ground wire jack is located at locking The top of attachment, ground wire jack are equipped with anti-loosening washer (19), and anti-loosening washer inner surface is equipped with several rectangular teeths.Mark It signs chip and tag recognizer is corresponding.Label chip is RFID code chip, and tag recognizer is RFID reader.
Management method based on ground connection wire management device as shown in Figure 1, comprising the following steps:
Step 100, when user is needed using ground line, user selects the volume of ground line to be used on five anti-machines Number, five anti-machines assign instruction to control host;
Step 200, after the instruction of five anti-machines of control host reception, solution is assigned to the closedown structure of the number of corresponding ground line Lock instruction;
Step 300, closedown structure is unlocked operation to latching accessory, and user can normal use ground line;
Step 310, controller receive control host unlock instruction after, control the second air pump to annular air-pocket with it is each attached Part sucker is inflated;
Step 320, latching accessory is lifted by air bag, and the chip of latching accessory is detached from the identification position of tag recognizer It sets, controller sends information to control host, and latching accessory is prompted to be detached from closedown structure, and control host setting chip is detached from label Identifier identifies that the set time of position is 1 minute, and user takes out latching accessory;
Step 330, chip is detached from the set time 1 that the time of the identification position of tag recognizer is more than control host setting Minute, control host sends to controller and instructs, and controller control air pump is evacuated air bag, air bag recycling;
Step 400, when user gives back ground line, the latching accessory of ground line is inserted into closedown structure;
Step 500, closedown structure identifies latching accessory, and latching accessory is locked;
Step 510, latching accessory is inserted into fixing seat, pressure sensor notification controller by user;
Step 520, controller controls the second air pump and is evacuated to the air in attachment sucker, and attachment sucker suction lives to close Locking accessory is locked;
Step 530, tag recognizer identifies identification label, and recognition result is reported to controller;
Step 600, the locked state of ground line is uploaded to control host by controller, and control host will letter after receiving Breath is uploaded to five anti-machines, and five anti-machines are according to the state for reporting information update to be grounded.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that, After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc. Valence form is also fallen within the scope of the appended claims of the present application.

Claims (9)

1. a kind of ground connection wire management device, characterized in that including five anti-machines (1), control host (2), m closedown structure (3), m Greater than 1, the latching accessory (4) connecting with closedown structure is equipped on each closedown structure;Five anti-machines are electrically connected with control host; Each latching accessory includes attachment housings (5), the label chip (6) in attachment housings, connecing in attachment housings Ground wire jack (7) and the ground line (8) being connect with ground connection line jack;Each closedown structure includes closedown structure shell (9), if The fixing seat for fixed latch attachment in the intracorporal controller of closedown structure shell (10), on closedown structure shell (11), it is set to the intracorporal tag recognizer of closedown structure shell (12), intracorporal first air pump (13) of closedown structure shell is set to, is set to Several closedown structure suckers (14) of closedown structure housing bottom, the first air pump are tied with each locking respectively by gas pipeline The connection of structure sucker;Tag recognizer, the first air pump are electrically connected with the controller, and each controller is electrically connected with control host.
2. ground connection wire management device according to claim 1, characterized in that closedown structure shell is in rectangle, and fixing seat is in Rectangle, fixing seat are equipped with annular air-pocket (15) to closedown structure shell sunken inside, fixing seat bottom, are equipped in the middle part of fixing seat several A attachment sucker (16), annular air-pocket and each attachment sucker are connect with the second air pump (17), the absorption of each attachment sucker Face is upward;Second air pump is located in closedown structure shell;Second air pump is electrically connected with the controller.
3. ground connection wire management device according to claim 2, characterized in that fixing seat bottom is equipped with pressure sensor (18), pressure sensor is electrically connected with the controller.
4. ground connection wire management device according to claim 1, characterized in that latching accessory is in rectangle, and label chip is located at The lower part of latching accessory, ground wire jack are located at the top of latching accessory, and ground wire jack is equipped with anti-loosening washer (19), anti-dropout Washer inner surface is equipped with several rectangular teeths.
5. ground connection wire management device according to claim 1, characterized in that label chip and tag recognizer are corresponding.
6. ground connection wire management device described according to claim 1 or 2 or 3 or 4 or 5, characterized in that label chip is that RFID is compiled Code chip, tag recognizer is RFID reader.
7. the management method based on ground connection wire management device described in claim 1, characterized in that include the following steps:
When (7-1) user is needed using ground line, user selects the number of ground line to be used on five anti-machines, and five is anti- Machine assigns instruction to control host;
After (7-2) controls the instruction that host receives five anti-machines, unlock instruction is assigned to the closedown structure of the number of corresponding ground line;
(7-3) closedown structure is unlocked operation to latching accessory, and user can normal use ground line;
When (7-4) user gives back ground line, the latching accessory of ground line is inserted into closedown structure;
(7-5) closedown structure identifies latching accessory, and latching accessory is locked;
The locked state of ground line is uploaded to control host by (7-6) controller, and control host uploads information after receiving To five anti-machines, five anti-machines are according to the state for reporting information update to be grounded.
8. the management method of ground connection wire management device according to claim 7, closedown structure shell is in rectangle, and fixing seat is in Rectangle, for fixing seat to closedown structure shell sunken inside, fixing seat bottom is equipped with annular air-pocket, and it is attached to be equipped with several in the middle part of fixing seat Part sucker, annular air-pocket and each attachment sucker are connect with the second air pump, and the adsorption plane of each attachment sucker is upward;Second Air pump is located in closedown structure shell;Second air pump is electrically connected with the controller;It is characterized in that (7-3) includes the following steps:
After (8-1) controller receives the unlock instruction of control host, the second air pump is controlled to annular air-pocket and each attachment sucker It is inflated;
Latching accessory is lifted by (8-2) air bag, and the chip of latching accessory is detached from the identification position of tag recognizer, controller Information is sent to control host, latching accessory is prompted to be detached from closedown structure, control host setting chip, which is detached from tag recognizer, to be known The set time of other position, user take out latching accessory;
The time that (8-3) chip is detached from the identification position of tag recognizer is more than the set time for controlling host setting, control master Machine sends to controller and instructs, and controller control air pump is evacuated air bag, air bag recycling.
9. the management method of ground connection wire management device according to claim 7 or 8, characterized in that (7-5) includes following step It is rapid:
Latching accessory is inserted into fixing seat, pressure sensor notification controller by (9-1) user;
(9-2) controller controls the second air pump and is evacuated to the air in attachment sucker, and attachment sucker suction lives latching accessory It is locked;
(9-3) tag recognizer identifies identification label, and recognition result is reported to controller.
CN201810140124.8A 2018-02-09 2018-02-09 Ground wire management device and management method Active CN109462279B (en)

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CN201810140124.8A CN109462279B (en) 2018-02-09 2018-02-09 Ground wire management device and management method

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Application Number Priority Date Filing Date Title
CN201810140124.8A CN109462279B (en) 2018-02-09 2018-02-09 Ground wire management device and management method

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CN109462279B CN109462279B (en) 2022-03-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276830A (en) * 2020-02-10 2020-06-12 辽宁工业大学 Electrical engineering earthing device
CN112698589A (en) * 2020-11-11 2021-04-23 国网山东省电力公司日照供电公司 Intelligent management and control system of grounding wire

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201421969Y (en) * 2009-05-15 2010-03-10 珠海优特电力科技股份有限公司 Detection locking device of temporary grounding wire
CN204481158U (en) * 2015-03-19 2015-07-15 中山市威德轻工机电制品有限公司 Earth connection divides the sterilizer of ultraviolet radiation for water body of body nut and application thereof
CN104793513A (en) * 2015-01-16 2015-07-22 长园共创电力安全技术股份有限公司 Management and control system and method for temporary grounding wire
CN105406590A (en) * 2015-11-18 2016-03-16 国家电网公司 Intelligent management system for substation ground leads
CN205231852U (en) * 2015-12-02 2016-05-11 国网浙江省电力公司绍兴供电公司 Wireless earth connection management system
CN206936758U (en) * 2017-08-01 2018-01-30 深圳市比亚迪电子部品件有限公司 A kind of mechanism of mobile phone automatic sticking Curved screen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201421969Y (en) * 2009-05-15 2010-03-10 珠海优特电力科技股份有限公司 Detection locking device of temporary grounding wire
CN104793513A (en) * 2015-01-16 2015-07-22 长园共创电力安全技术股份有限公司 Management and control system and method for temporary grounding wire
CN204481158U (en) * 2015-03-19 2015-07-15 中山市威德轻工机电制品有限公司 Earth connection divides the sterilizer of ultraviolet radiation for water body of body nut and application thereof
CN105406590A (en) * 2015-11-18 2016-03-16 国家电网公司 Intelligent management system for substation ground leads
CN205231852U (en) * 2015-12-02 2016-05-11 国网浙江省电力公司绍兴供电公司 Wireless earth connection management system
CN206936758U (en) * 2017-08-01 2018-01-30 深圳市比亚迪电子部品件有限公司 A kind of mechanism of mobile phone automatic sticking Curved screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276830A (en) * 2020-02-10 2020-06-12 辽宁工业大学 Electrical engineering earthing device
CN112698589A (en) * 2020-11-11 2021-04-23 国网山东省电力公司日照供电公司 Intelligent management and control system of grounding wire

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