CN110518700A - Smart grounding line hook based on ubiquitous Internet of Things - Google Patents
Smart grounding line hook based on ubiquitous Internet of Things Download PDFInfo
- Publication number
- CN110518700A CN110518700A CN201910808661.XA CN201910808661A CN110518700A CN 110518700 A CN110518700 A CN 110518700A CN 201910808661 A CN201910808661 A CN 201910808661A CN 110518700 A CN110518700 A CN 110518700A
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- Prior art keywords
- module
- hook
- wireless charging
- things
- internet
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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- Mobile Radio Communication Systems (AREA)
Abstract
Smart grounding line hook based on ubiquitous Internet of Things, induction module, locating module, RFID label tag, Internet of Things module, power module, wireless charging module receiving end including pull rod is arranged in；These module assembleds are on MCU mainboard.Induction module, the working condition for perceiving hook are in closure or open；Locating module is for position at positioning hanger；RFID label tag, for each hook to be numbered, hook is external to be equipped with two-dimension code label；Internet of Things module, for carrying out communication connection with ubiquitous Internet of things system by modules data information transfer to concentrator, or directly.The wireless charging module receiving end, for carrying out wireless charging for power module, MCU processor monitors that wireless charging module receiving end is standby or working condition, is in due course and charges to power module.The hook further includes matched storing compartment.The present invention effectively solves the Misuse situation of clamp for ground wire, reduces human error, avoids the occurrence of power outage.
Description
Technical field
The present invention relates to a kind of electric system grounding hook technical fields, and in particular to a kind of intelligence based on ubiquitous Internet of Things
It can clamp for ground wire.
Background technique
In field of electrical equipment, clamp for ground wire is a kind of auxiliary device for being commonly grounded high and low pressure power transmission line,
By hanging on power transmission line, power transmission line is connect by conducting wire with the earth.Clamp for ground wire in the prior art is all pure machine
Tool device, current various types of technological improvements are that its intrinsic mechanical structure improves based on hook mostly.However from
From the point of view of clamp for ground wire is using the accident situation statistics of middle appearance, mostly artificial Misuse clamp for ground wire is caused
, especially with clamp for ground wire and forget to recycle, easily causes large area blackout.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of smart grounding line hook based on ubiquitous Internet of Things, including
Hanger bulk, storing unit are interconnected by Internet of Things therebetween, and the Misuse feelings of clamp for ground wire are effectively solved
Condition reduces human error, avoids the occurrence of power outage.
The technical scheme adopted by the invention is as follows:
Smart grounding line hook based on ubiquitous Internet of Things, comprising:
Induction module, locating module, RFID label tag, Internet of Things module, power module, wireless charging module on pull rod are set
Receiving end；The induction module, locating module, RFID label tag, Internet of Things module, power module, wireless charging module receiving end
It is assembled on MCU mainboard；
The induction module, the working condition for perceiving hook are in closure or open；
The locating module includes indoor positioning module, outdoor positioning module, for position at positioning hanger；
The RFID label tag, for each hook to be numbered, hook is external to be equipped with two-dimension code label；
The Internet of Things module, for by modules data information transfer to concentrator, or directly with ubiquitous Internet of Things system
System carries out communication connection；
The power module, for providing power supply for modules；
The wireless charging module receiving end, for carrying out wireless charging, wireless charging module receiving end, power supply for power module
Module is all connected with the MCU processor of MCU mainboard, and MCU processor monitors that wireless charging module receiving end is standby or working condition,
It is in due course and charges to power module.
Smart grounding line hook further includes matched storing compartment；
The storing compartment is equipped with RFID card reader, concentrator, wireless charging module transmitting terminal, warning light, liquid crystal display mode
Block；
The RFID card reader links up with internal RFID tag data for reading, and can unique identification hook；
The concentrator, for summarize each hook in Internet of Things module transfer data, and with ubiquitous Internet of things system
It is communicated；
The wireless charging module transmitting terminal, is wirelessly connected with wireless charging module receiving end, for often with hook
Power module charges；
The LCD MODULE, for showing hook service condition, corresponding number；The battery feelings of power module are shown simultaneously
Condition；
The warning light provides prompt and alarms when undesirable for hook number.
A kind of smart grounding line hook based on ubiquitous Internet of Things of the present invention, technical effect are as follows:
1) charging dimension, is carried out to chargeable module when hook is not suitable for and is stored in Tool Cabinet by wireless charging module
Shield；Power supply is provided for other each functional modules by chargeable module when use.
2), by locating module, RFID label tag, fine-grained management can be carried out to hook, hook is avoided to use confusion etc.
Various safety risks.
3), by Internet of Things module, hook service condition is directly accessed ubiquitous Internet of things system, realizes power equipment
Intelligent management.
4), by setting storing compartment, the Misuse situation of clamp for ground wire is effectively solved, human error is reduced, avoids
There is power outage.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is each functional module assembling schematic diagram of invention hook.
Fig. 2 is that each functional module hardware of invention hook connects block diagram.
Fig. 3 is storing compartment structural schematic diagram of the present invention.
Fig. 4 is that each functional module hardware of storing compartment of the present invention connects block diagram.
Fig. 5 is invention hook structural schematic diagram one；
Fig. 6 is invention hook structural schematic diagram two.
Fig. 7 is invention hook structural schematic diagram three.
Specific embodiment
As shown in Figure 1 and Figure 2, the smart grounding line hook based on ubiquitous Internet of Things, comprising:
Induction module 2, locating module, RFID label tag 4, Internet of Things module 5, the power module 6, wireless charging of pull rod 1 are set
Module receiving end 7；The induction module 2, locating module, RFID label tag 4, Internet of Things module 5, power module 6, wireless charging mould
Block receiving end 7 is assembled on MCU mainboard 8.
The induction module 2 connects the MCU processor of MCU mainboard 8, and the working condition for perceiving hook is in closure
Or it opens.Induction module 2 uses D2SW-01L2HS travel switch.
The locating module includes indoor positioning module 3.1, outdoor positioning module 3.2, because comparing the case where substation
Situations such as complexity, electromagnetic interference, is serious, needs using two sets of locating modules, indoor positioning module 3.1 uses UWB technology, module
Using DWM1000 module, outdoor positioning module 3.2 uses GPS system or dipper system, for determining that hook is present at present
Position, facilitate operator find hook.
The RFID label tag 4, for each hook to be numbered, hook is external to be equipped with two-dimension code label.Make in this way
It can be linked up with RFID card reader 11 with unique identification, prevent the situation for discrepancy of quantity etc. occur.And use RFID label tag 4 and two
After tieing up code label, it is possible to reduce artificial fault.
The Internet of Things module 5 is used to modules data information being transmitted to concentrator 9 with Uniform data format, or
Person directly carries out communication connection with ubiquitous Internet of things system.Internet of Things module 5 is wireless using LoRa series of modules WH-L100-L7
Digital transmission module.Concentrator 9 uses USR-LG220-LLoRa radio network gateway.
The power module 6, for providing power supply for modules.And wireless charging module is monitored by MCU mainboard 8 and is received
7 standby or working conditions are held, and are in due course as the charging of power module 6.It, should at least really after power module 6 is fully charged
It protects 72 hours and does not work indirectly, when not enough power supply, alarm signal can also occur.
Wireless charging module receiving end 7 uses the highly integrated formula wireless receiver of BQ51013B.
Power module 6 uses NCR18650 lithium battery.
The wireless charging module receiving end 7, for carrying out wireless charging for power module 6, wireless charging module is received
End 7, power module 6 are all connected with the MCU processor of MCU mainboard 8, MCU processor monitor wireless charging module receiving end 7 it is standby or
Person's working condition is in due course and charges to power module 6.MCU processor uses STM32F103VET6.
As shown in Figure 3, Figure 4, smart grounding line hook further includes matched storing compartment 10.
The storing compartment 10 is equipped with RFID card reader 11, concentrator 9, wireless charging module transmitting terminal 12, warning light
13, LCD MODULE 14, processor module 15, power pack.
The processor module 15 respectively with RFID card reader 11, concentrator 9, wireless charging module transmitting terminal 12, alarm
Signal lamp 13, LCD MODULE 14 contact.
Processor module 15 is also connected with indoor positioning module 3.1.The indoor positioning module 3.1 installed on storing compartment 10, with
The outdoor positioning module 3.2 installed on hook is two parts of a set of modules, the responsible transmission signal on hook, on storing compartment
10 responsible reception signal, and received signal is processed into location data, it is transmitted to processor module 15.Processor module 15
Using STM32F767IGT6 processor.
The RFID card reader 11 links up with 4 data of internal RFID label tag for reading, and can unique identification hook.Multiple groups
After hook is placed into storing compartment 10, it can show by external LCD MODULE 14 and link up with corresponding quantity, if quantity
It is not inconsistent, provides prompt accordingly, warning light 13 is bright.
RFID card reader 11 uses hyperfrequency rfid module R2000 reader/writer module.
The concentrator 9, for summarize each hook in Internet of Things module 5 transmit data, and with ubiquitous Internet of Things
Net system is communicated.Service condition will be linked up in real time, will be shown on LCD MODULE 14, it is ensured that every group of hook is in controllable
State.
As the construction of the ubiquitous Internet of Things of power grid is perfect, property networking module 5 can also be directly ubiquitous with substation
Internet of things system is connected.
The wireless charging module transmitting terminal 12, is wirelessly connected with wireless charging module receiving end 7, is used to every group
The power module 6 of hook charges.6 situation of power module is also detected simultaneously, is gone wrong and is similarly shown in liquid crystal display
In module 14, relevant information is provided for operator.
The LCD MODULE 14, for showing hook service condition, corresponding number；Power module 6 is shown simultaneously
Cell condition.
Wireless charging module transmitting terminal 12 uses ST company STEVAL-ISB045V1.
LCD MODULE 14 uses 10.1 cun of IPS capacitance touch panel modules of ATK-1018.Advantage:
1. 10.1 cun of large-size screen monitors are suitble to all kinds of high-end control equipment；2. IPS screen, all directions can see real content clearly,
Non-generic liquid crystal is comparable；3. 1280*800 resolution ratio, real effect is fine and smooth；4. supporting RGB&LVDS double nip, it is suitble to not
Same usage scenario；5. 1600W color is supported to show that color rendition effect is more preferable；6. maximum supports 10 using capacitance touch screen
It puts while touching；
The warning light 13 provides prompt and alarms when undesirable for hook number.Occur what safety did not allowed
When situation, alarm signal is issued.It is daily be in normal operating conditions when, also issue standby signal.Warning light 13 uses band
The ST45L Multilayer warning lamp of buzzer is indicated with red, yellow, blue three colors.
Entire storing compartment 10 can customize, and can also reequip to pervious storing compartment 10, increase corresponding module.
As shown in Fig. 5 ~ Fig. 7, the mechanical part of smart grounding line hook includes hollow pull rod 1, and sliding is equipped in pull rod 1
Loop bar 16 is linked up with, hook loop bar 16 is also cannulated sleeve structure, and hook 16 top of loop bar bilateral symmetry is welded with hook 17, links up with
17 be arc-shaped, conveniently adapts to the conducting wire of line footpath.L-type limiting slot 18, L-type are provided on hook loop bar 16 between two hooks 17
The vertical portion of limiting slot 18 is located between two hooks 17, and the horizontal position of L-type limiting slot 18 is below a certain hook.In pull rod 1
Interior to be equipped with fixed block 19 by bolt, fixed block 19 is fixedly connected with top-fastening rod 20.Top-fastening rod 20 is l-shaped rod, top-fastening rod 20
Vertical portion be located in hook loop bar 16, the horizontal part of top-fastening rod 20 stretches out that L-type limiting slot 18 is outer and length is longer than hook 17
Width.Top-fastening rod 20 vertical portion and be cased with gasket 21 close to horizontal part, on the top-fastening rod between gasket 21 and fixed block 19
It is cased with compressed spring 23, compressed spring 23 is in compressive state under any circumstance.The 16 top screw thread of hook loop bar connects
Be connected to plug 22,22 one side of plug plays position-limiting action, on the other hand can prevent rainwater from hook 16 upper end of loop bar directly into
Enter.The pull rod 1 is threadedly coupled by multistage branch loop bar.It thus can adjustment length according to actual needs.The hook 17
Ground line connecting screw 24 is installed on the hook loop bar 16 at back, the clamp for ground wire is thus facilitated to connect with ground wire.
Mechanical part uses new structural design, joined anti-drop function, and installation need to only complete drop-down-rotating rod 1
Anti-drop function can be started, it is simple and fast and stronger with conductive contact, it is not in slide even to fall off along conducting wire
The case where.When dismounting, it also need to only reversely rotate pull rod 1 and release anti-drop function, then above pushing away can remove, and it is negative not increase work
Load.
It is designed with ground line contact bayonet using tapered surface, strong applicability is able to satisfy different ground line line footpath demands, not
With under line footpath, can guaranteeing to firmly install.
It is existing ground line for vertical wires and inclination conducting wire can not firm installation be easy sliding fall off, the ground line energy
It is enough effectively to solve the problems, such as this, it avoids people when ground is in face of vertical wires or inclination conducting wire installing ground line, installs unstable
Situation.
Implementation steps:
1, the case where hook is usually not used, multiple groups hook is placed in storing compartment 10 by unique number, external liquid crystal display mode
Block 14 shows its every group number, and wireless charging module detects 6 situation of power module, and it is appropriate charge, report
Alert signal lamp 13 issues regular prompt signal, and concentrator 9 and the ubiquitous Internet of things system of substation interact communication, Qi Tamo
Block is in standby.
2, when working, staff takes out hook, and RFID card reader 11 reads the RFID label tag 4 less than hook, then judges
Corresponding hook takes out, and the operating mode of hook is opened, and all modules are in running order.
3, under working condition, service condition, location information, battery capacity etc. are uploaded to collection by Internet of Things by every group of hook
The ubiquitous Internet of things system of middle device 9 and substation, the LCD MODULE 14 and warning light 13 of storing compartment 10, which are shown, to be corresponded to
Standby signal, ubiquitous Internet of things system to hook compliance using carry out real-time inspection.
4, recycling hook, after every group of hook recycling is placed into storing compartment 10, RFID card reader 11 reads corresponding hook
Operating mode is become standby mode, and shown on LCD MODULE 14 by information.If it find that there is unrecovered extension
Hook, then warning light 13 accordingly makes warning note, and upload the data to the ubiquitous Internet of things system of substation, system root
Next step operation indicating is made according to current situation, or forbids to operate in next step.
Claims (2)
1. the smart grounding line based on ubiquitous Internet of Things is linked up with, including setting the induction module (2) of pull rod (1), locating module,
RFID label tag (4), Internet of Things module (5), power module (6), wireless charging module receiving end (7)；The induction module (2),
Locating module, RFID label tag (4), Internet of Things module (5), power module (6), wireless charging module receiving end (7) are assembled in MCU
On mainboard (8)；
The induction module (2), the working condition for perceiving hook are in closure or open；
The locating module includes indoor positioning module (3.1), outdoor positioning module (3.2), at positioning hanger
Position；
The RFID label tag (4), for each hook to be numbered, hook is external to be equipped with two-dimension code label；
The Internet of Things module (5), for by modules data information transfer to concentrator (9), or directly with ubiquitous object
Networked system carries out communication connection；
The power module (6), for providing power supply for modules；
The wireless charging module receiving end (7), for carrying out wireless charging for power module (6), wireless charging module is received
End (7), power module (6) are all connected with the MCU processor of MCU mainboard (8), and MCU processor monitors wireless charging module receiving end
(7) standby or working condition is in due course and charges to power module (6).
2. the smart grounding line hook based on ubiquitous Internet of Things according to claim 1, it is characterised in that: the smart grounding line
Hook further includes matched storing compartment (10)；
The storing compartment (10) is equipped with RFID card reader (11), concentrator (9), wireless charging module transmitting terminal (12), alarm signal
Signal lamp (13), LCD MODULE (14)；
The RFID card reader (11) links up with internal RFID label tag (4) data for reading, and can unique identification hook；
The concentrator (9), for summarize each hook in Internet of Things module (5) transmission data, and with ubiquitous Internet of Things
Net system is communicated；
The wireless charging module transmitting terminal (12), is wirelessly connected with wireless charging module receiving end (7), be used to often and
The power module (6) of hook charges；
The LCD MODULE (14), for showing hook service condition, corresponding number；Power module (6) is shown simultaneously
Cell condition；
The warning light (13) provides prompt and alarms when undesirable for hook number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910808661.XA CN110518700B (en) | 2019-08-29 | 2019-08-29 | Intelligent grounding wire hook based on ubiquitous Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910808661.XA CN110518700B (en) | 2019-08-29 | 2019-08-29 | Intelligent grounding wire hook based on ubiquitous Internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110518700A true CN110518700A (en) | 2019-11-29 |
| CN110518700B CN110518700B (en) | 2022-10-21 |
Family
ID=68627947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910808661.XA Active CN110518700B (en) | 2019-08-29 | 2019-08-29 | Intelligent grounding wire hook based on ubiquitous Internet of things |
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| CN (1) | CN110518700B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994249A (en) * | 2021-04-15 | 2021-06-18 | 国网上海市电力公司 | Transformer substation articulates ground wire management device based on thing networking |
| CN113011547A (en) * | 2021-01-22 | 2021-06-22 | 重庆涪陵电力实业股份有限公司 | Intelligent sensing tag for grounding wire clamp of power system |
| CN113759282A (en) * | 2021-09-09 | 2021-12-07 | 四川省东宇信息技术有限责任公司 | Grounding wire monitoring system based on Beidou differential positioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203774866U (en) * | 2013-04-24 | 2014-08-13 | 刘立星 | Intelligent ground wire apparatus and ground wire operation safety monitoring and error-preventing system |
| CN105107100A (en) * | 2015-08-07 | 2015-12-02 | 东莞市天楠光电科技有限公司 | Intelligent rescuing high-altitude pothook device |
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2019
- 2019-08-29 CN CN201910808661.XA patent/CN110518700B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774866U (en) * | 2013-04-24 | 2014-08-13 | 刘立星 | Intelligent ground wire apparatus and ground wire operation safety monitoring and error-preventing system |
| CN105107100A (en) * | 2015-08-07 | 2015-12-02 | 东莞市天楠光电科技有限公司 | Intelligent rescuing high-altitude pothook device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113011547A (en) * | 2021-01-22 | 2021-06-22 | 重庆涪陵电力实业股份有限公司 | Intelligent sensing tag for grounding wire clamp of power system |
| CN112994249A (en) * | 2021-04-15 | 2021-06-18 | 国网上海市电力公司 | Transformer substation articulates ground wire management device based on thing networking |
| CN113759282A (en) * | 2021-09-09 | 2021-12-07 | 四川省东宇信息技术有限责任公司 | Grounding wire monitoring system based on Beidou differential positioning |
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| Publication number | Publication date |
|---|---|
| CN110518700B (en) | 2022-10-21 |
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