CN105259443A - Intelligent lightning-protection online real-time monitoring system - Google Patents

Intelligent lightning-protection online real-time monitoring system Download PDF

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Publication number
CN105259443A
CN105259443A CN201510730961.2A CN201510730961A CN105259443A CN 105259443 A CN105259443 A CN 105259443A CN 201510730961 A CN201510730961 A CN 201510730961A CN 105259443 A CN105259443 A CN 105259443A
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China
Prior art keywords
monitoring
surge protector
line
early warning
data
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CN201510730961.2A
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Chinese (zh)
Inventor
黄德青
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Anhui Zhongpu Lightning Protection Technology Co Ltd
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Anhui Zhongpu Lightning Protection Technology Co Ltd
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Priority to CN201510730961.2A priority Critical patent/CN105259443A/en
Publication of CN105259443A publication Critical patent/CN105259443A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an intelligent lightning-protection online real-time monitoring system. The system comprises an online grounding resistance monitor, a grounding impedance monitoring analyzer, a surge protector information collector, a surge protector collection analyzer, an online monitoring early warning station, a server and a user terminal, wherein the online grounding resistance monitor monitors the connection state of a grounding downlead online; the grounding impedance monitoring analyzer transmits monitoring data of the online resistance monitor to the online monitoring early warning station for monitoring; the surge protector information collector monitors the deterioration state of a surge protector, the state of an air switch and the motion frequency of the surge protector online; the surge protector collection analyzer transmits monitoring data of the surge protector information collector to the online monitoring early warning station; the online monitoring early warning station is connected with the server; and the user terminal access the server. Thus, a user can monitor the lightening-protection environment in real time.

Description

A kind of intelligent lightning protecting on-line real time monitoring system
Technical field
The present invention relates to monitoring and warning technical field, particularly relate to a kind of intelligent lightning protecting on-line real time monitoring system.
Background technology
There is no equipment so far and method can change natural weather phenomenon to stop the generation of thunder and lightning, it is all dangerous that thunder and lightning to hit near buildings or buildings people, buildings itself, its internal objects, equipment and service facility, therefore must consider to take lightning protection measures.Complete lightning protection measures comprises direct lightning strike protection and Lightning Electromagnetic Pulse protection; direct lightning strike safeguard procedures comprise arrester is installed, downlead be installed, lay earthing device, spacing distance be set, equipotential link, Lightning Electromagnetic Pulse safeguard procedures comprise installs Surge Protector (SPD), space and cable shielding, reasonable line arrangement, equipotential link etc.Consider above synthetical prevention and cont rol, the concrete device that need install comprises earthed system and Surge Protector, and other are a kind of measure.
In whole lightning protection device, safe and reliable earthed system, is of great significance the safe operation of the system such as infosystem, electric power and the generation tool of Accident prevention, and the quality of earthed system is directly connected to electrical equipment and normally works and personal safety.But because earthed system affects comparatively large by various factors, as couple corrosion, mechanical trauma, grounding body environmental change etc., grounding resistance may be caused to change greatly.If grounding resistance is excessive, equipment and personal safety, equipment is normally run and brings potential safety hazard.Therefore real-time is very necessary to earthed system measurement.
And Surge Protector is the Primary Component of thunder and lightning and overvoltage protection system; but it is the device of a kind of " sacrificing oneself; protect others "; when Surge Protector suffers lightning surge electric current or Long-Time Service; must occur the states such as aging, deteriorated and damage, the quality of its state then directly affects its protection effect.But by the purposes of Surge Protector and the feature of principle of work itself, aging, the deterioration state monitoring of Surge Protector are global problems, so be that domestic or external Surge Protector all can only carry out Failure Alarm always.This generates a problem, only solve a difficult problem for the various status monitorings of Surge Protector, the use safety of subscriber equipment could be improved veritably.Current Surge Protector can only rely on and manually show to the inefficacy of site inspection equipment; thus judgment device is safeguarded the need of replacing; but for units such as picture electric power, communication, railway, civil aviatons; it needs the equipment of lightning surge and overvoltage protection to have the advantages that requirement is high, distribution is wide, website is many, position is inclined; accomplish that the scene allowing maintainer arrive every platform Surge Protector checks; very difficult, cost is high.
Therefore need to provide a kind of intelligent lightning protecting on-line real time monitoring system, one realizes carrying out Real-Time Monitoring to the earthed system in lightning protection device and Surge Protector, to guarantee that earthed system and Surge Protector are in normal operating conditions all the time.
Summary of the invention
Based on the technical matters that above-mentioned background technology exists; the present invention proposes a kind of intelligent lightning protecting on-line real time monitoring system; this system can carry out Real-Time Monitoring to the earthed system in lightning protection device and Surge Protector, to guarantee that earthed system and Surge Protector are in normal operating conditions all the time.
The present invention proposes a kind of intelligent lightning protecting on-line real time monitoring system; comprise: stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument, Surge Protector acquisition and analysis instrument, on-line monitoring early warning point, server and user terminal, wherein:
Described stake resistance on-line computing model is connected with impedance ground monitoring analyzer by RS485 wire communication or ZigBee radio communication; Stake resistance on-line computing model is used for the connection state of on-line monitoring down conductor and the data of monitoring is transferred to the connection of impedance ground monitoring analyzer;
Described impedance ground monitoring analyzer is connected with on-line monitoring early warning point by RS485 wire communication or ZigBee radio communication; Impedance monitoring analyzer in ground is used for gathering the Monitoring Data of resistance on-line computing model and the data of collection being transferred to on-line monitoring early warning point monitoring;
Described Surge Protector information acquiring instrument is connected with Surge Protector acquisition and analysis instrument by RS485 wire communication or ZigBee radio communication, and Surge Protector information acquiring instrument is used for on-line monitoring Surge Protector deterioration condition, air switch state and Surge Protector action frequency and Monitoring Data is transferred to Surge Protector acquisition and analysis instrument;
Described Surge Protector acquisition and analysis instrument is connected with on-line monitoring early warning point by RS485 wire communication or ZigBee radio communication, and Surge Protector acquisition and analysis instrument is used for gathering the data that Surge Protector information acquiring instrument is monitored and the data of collection being transferred to on-line monitoring early warning point;
Described on-line monitoring early warning point is used for carrying out monitoring management to stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument and Surge Protector acquisition and analysis instrument, when wherein any instrument breaks down, send warning at once, and malfunction and time of origin are dealt on maintainer's mobile phone with short message mode;
On-line monitoring early warning point to be connected with server by GPRS/GSM module or LAN and the data received is passed to server; User terminal can be monitored stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument, Surge Protector acquisition and analysis instrument and on-line monitoring early warning point by access services device.
Preferably, stake resistance on-line computing model comprises circuit board and sensor, and sensor is connected with circuit board, and sensor for measuring the resistance value in tested loop, and judges the connection state of down conductor according to the size of the tested loop resistance value measuring gained.
Preferably, stake resistance on-line computing model also comprises shield shell, and sensor and circuit board are installed in shield shell.
Preferably, Surge Protector information acquiring instrument comprises Surge Protector remote signalling monitoring means, air switch Condition Monitoring Unit and Surge Protector action frequency monitoring means;
Described Surge Protector remote signalling monitoring means comprises alarm module, Surge Protector remote signalling monitoring means is used for continual collection Surge Protector remote signalling port signal, when signal disconnects, the alarm module in Surge Protector remote signalling monitoring means gives the alarm with the speed of level second;
Described air switch Condition Monitoring Unit comprises alarm module, air switch Condition Monitoring Unit is used for Real-Time Monitoring air switch and disconnects closure state, when disconnecting appears in air switch, the alarm module in air switch Condition Monitoring Unit gives the alarm with the speed of level second;
Described Surge Protector action frequency monitoring means comprises current inductor, signal processing circuit and message register; current inductor enters ground wire for the current signal responded to and by the current signal transfer that senses to signal processing circuit near Surge Protector; signal processing circuit is used for carrying out amplitude limit, rectification, filtering process also with the current signal driving message register after process, message register operation of recording number of times to the current signal received.
Preferably, on-line monitoring early warning point comprises Data Analysis Services, data transmission unit and display unit, and Data Analysis Services unit is used for the data analysis process to gathering; Data transmission unit is used for transmitting data; Display unit directly can show image data.
The present invention carries out Real-Time Monitoring by stake resistance on-line computing model to the connection state of the down conductor in earthed system, and by impedance ground monitoring analyzer, the data monitored are transferred to on-line monitoring early warning point, once the connection that stake resistance on-line computing model monitors down conductor occurs abnormal, on-line monitoring early warning point sends warning at once and is dealt on maintainer's mobile phone by malfunction and time of origin with short message mode, earthed system can be safeguarded timely, normal to guarantee that down conductor connects.Simultaneously, the present invention passes through Surge Protector information acquiring instrument to the deterioration condition of Surge Protector, air switch state, and Surge Protector action frequency carries out Real-Time Monitoring, and by Surge Protector acquisition and analysis instrument, the data of monitoring are transferred to on-line monitoring early warning point, break down once Surge Protector information acquiring instrument monitors Surge Protector, on-line monitoring early warning point sends warning at once and is dealt on maintainer's mobile phone by malfunction and time of origin with short message mode, Surge Protector can be safeguarded timely, to guarantee that Surge Protector is in normal operating conditions.In addition, the on-line monitoring early warning point in the present invention is also connected with server and is all uploaded onto the server by the data obtained, and user can be supervised the working condition of any instrument in whole system by user terminal direct access services device.
Each lightning protection device can be carried out unified monitoring management by intelligent lightning protecting on-line real time monitoring system provided by the present invention, user only needs a user terminal can grasp the duty of each lightning protection device in whole system in real time, for the reliable lightning protection of buildings, personnel effectively safeguard, efficiently management provide barrier of trying hard to keep.The present invention can be widely used in the distribution systems such as power industry, railway systems, petroleum and petrochemical industry, new forms of energy industry, the communications industry, environmental protection water conservancy industry, airport harbour, achieves user to the real-time monitoring of lightning protection ambient condition.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of intelligent lightning protecting on-line real time monitoring system that the present invention proposes;
Fig. 2 is the application framework figure of a kind of intelligent lightning protecting on-line real time monitoring system in petroleum and petrochemical industry that the present invention proposes.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
As shown in Figure 1, Fig. 1 is the structural representation of a kind of intelligent lightning protecting on-line real time monitoring system that the present invention proposes; Fig. 2 is the application framework figure of a kind of intelligent lightning protecting on-line real time monitoring system in petroleum and petrochemical industry that the present invention proposes.
With reference to Fig. 1; a kind of intelligent lightning protecting on-line real time monitoring system that the embodiment of the present invention proposes; comprise: stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument, Surge Protector acquisition and analysis instrument, on-line monitoring early warning point, server and user terminal, wherein:
Described stake resistance on-line computing model is connected with impedance ground monitoring analyzer by RS485 wire communication or ZigBee radio communication; Stake resistance on-line computing model is used for the connection state of on-line monitoring down conductor and the data of monitoring is transferred to the connection of impedance ground monitoring analyzer; Stake resistance on-line computing model comprises circuit board, sensor and shield shell, sensor and circuit board are installed in shield shell, and sensor is connected with circuit board, sensor for measuring the resistance value in tested loop, and judges the connection state of down conductor according to the size of the tested loop resistance value measuring gained; Operationally, sensor first gives one, tested loop excitation pulse signal, and a pulse electromotive force E is responded in tested loop, will at tested loop generation current I under the effect of electromotive force E.Sensor is measured E and I, and passes through formula: R=E/I can obtain tested loop resistance; The size variation of the tested loop resistance value that stake resistance on-line computing model monitors according to sensor judges the connection state of down conductor.
Described impedance ground monitoring analyzer is connected with on-line monitoring early warning point by RS485 wire communication or ZigBee radio communication; Impedance monitoring analyzer in ground is used for gathering the Monitoring Data of resistance on-line computing model and the data of collection being transferred to on-line monitoring early warning point monitoring.
Described Surge Protector information acquiring instrument is connected with Surge Protector acquisition and analysis instrument by RS485 wire communication or ZigBee radio communication, and Surge Protector information acquiring instrument is used for on-line monitoring Surge Protector deterioration condition, air switch state and Surge Protector action frequency and Monitoring Data is transferred to Surge Protector acquisition and analysis instrument; Surge Protector information acquiring instrument comprises Surge Protector remote signalling monitoring means, air switch Condition Monitoring Unit and Surge Protector action frequency monitoring means;
Described Surge Protector remote signalling monitoring means comprises alarm module, Surge Protector remote signalling monitoring means is used for continual collection Surge Protector remote signalling port signal, when signal disconnects, the alarm module in Surge Protector remote signalling monitoring means gives the alarm with the speed of level second;
Described air switch Condition Monitoring Unit comprises alarm module, air switch Condition Monitoring Unit is used for Real-Time Monitoring air switch and disconnects closure state, when disconnecting appears in air switch, the alarm module in air switch Condition Monitoring Unit gives the alarm with the speed of level second;
Described Surge Protector action frequency monitoring means comprises current inductor, signal processing circuit and message register; current inductor enters ground wire for the current signal responded to and by the current signal transfer that senses to signal processing circuit near Surge Protector; signal processing circuit is used for carrying out amplitude limit, rectification, filtering process also with the current signal driving message register after process, message register operation of recording number of times to the current signal received.
Described Surge Protector acquisition and analysis instrument is connected with on-line monitoring early warning point by RS485 wire communication or ZigBee radio communication, and Surge Protector acquisition and analysis instrument is used for gathering the data that Surge Protector information acquiring instrument is monitored and the data of collection being transferred to on-line monitoring early warning point.
Described on-line monitoring early warning point is used for carrying out monitoring management to stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument and Surge Protector acquisition and analysis instrument; when wherein any instrument breaks down; give the alarm at once, and malfunction and time of origin are dealt on maintainer's mobile phone with short message mode.
On-line monitoring early warning point to be connected with server by GPRS/GSM module or LAN and the data received is passed to server; User terminal can be monitored stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument, Surge Protector acquisition and analysis instrument and on-line monitoring early warning point by access services device.
With reference to Fig. 2; the application framework figure of a kind of intelligent lightning protecting on-line real time monitoring system in petroleum and petrochemical industry; in this framework; a kind of intelligent lightning protecting on-line real time monitoring system; comprise: four grounded resistance on-line computing model, two impedance ground monitoring analyzers, two Surge Protector information acquiring instruments, two Surge Protector acquisition and analysis instruments, two on-line monitoring early warning points, station servers
In four grounded resistance on-line computing model, the collection terminal of a stake resistance on-line computing model is connected with the earthed system of whole plant area; The collection terminal of a stake resistance on-line computing model is connected with the earthed system of oil tank; The collection terminal of a stake resistance on-line computing model is connected with the earthed system of oil pipeline, also has the collection terminal of a stake resistance on-line computing model to be connected with the earthed system of high and low voltage electric distribution room; Output terminal in four grounded resistance on-line computing model is connected with the collection terminal of two impedance ground monitoring analyzers respectively by RS485 wire communication or ZigBee radio communication; The output terminal of two impedance ground monitoring analyzers is connected with the collection terminal of two on-line monitoring early warning points respectively by RS485 wire communication or ZigBee radio communication; The output terminal of two on-line monitoring early warning points is connected with server by GPRS/GSM module or LAN.
Four grounded resistance on-line computing model is respectively to the earthed system of whole plant area, the earthed system of oil tank, the earthed system of oil pipeline, and the connection state of down conductor in the earthed system of high and low voltage electric distribution room carries out Real-Time Monitoring, and by impedance ground monitoring analyzer, the data monitored are transferred to on-line monitoring early warning point, four grounded resistance on-line computing model is once the connection monitoring the down conductor being positioned at this monitoring range occurs abnormal, abnormal signal can be transferred to on-line monitoring early warning point at once, on-line monitoring early warning point sends warning at once and is dealt on maintainer's mobile phone by malfunction and time of origin with short message mode, the earthed system of this fault can be safeguarded timely.
Two Surge Protector information acquiring instruments are connected with the Surge Protector of each low-pressure chamber respectively; The output terminal of two Surge Protector information acquiring instruments is connected with the collection terminal of two Surge Protector acquisition and analysis instruments respectively by RS485 wire communication or ZigBee radio communication; The output terminal of two Surge Protector acquisition and analysis instruments is connected with the collection terminal of two on-line monitoring early warning points respectively by RS485 wire communication or ZigBee radio communication; The output terminal of two on-line monitoring early warning points is connected with server by GPRS/GSM module or LAN.
Two Surge Protector information acquiring instruments are respectively to the deterioration condition of Surge Protector in each low-pressure chamber, air switch state, and Surge Protector action frequency carries out Real-Time Monitoring, and by Surge Protector acquisition and analysis instrument, the data of monitoring are transferred to on-line monitoring early warning point, Surge Protector information acquiring instrument is once the Surge Protector monitored in low-pressure chamber breaks down, fault-signal can be transferred to on-line monitoring early warning point at once, on-line monitoring early warning point sends warning at once and is dealt on maintainer's mobile phone by malfunction and time of origin with short message mode, Surge Protector can be safeguarded timely.
On-line monitoring early warning point is also connected with server and is all uploaded onto the server by the data obtained, and user can carry out remote monitoring to an instrument any in this system by this server of user terminal access.
As from the foregoing, each lightning protection device can be carried out unified monitoring management by intelligent lightning protecting on-line real time monitoring system provided by the present invention, user only needs a user terminal can grasp the duty of each lightning protection device in whole system in real time, for the reliable lightning protection of buildings, personnel effectively safeguard, efficiently management provide barrier of trying hard to keep.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (5)

1. an intelligent lightning protecting on-line real time monitoring system; it is characterized in that; comprise: stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument, Surge Protector acquisition and analysis instrument, on-line monitoring early warning point, server and user terminal, wherein:
Described stake resistance on-line computing model is connected with impedance ground monitoring analyzer by RS485 wire communication or ZigBee radio communication; Stake resistance on-line computing model is used for the connection state of on-line monitoring down conductor and the data of monitoring is transferred to the connection of impedance ground monitoring analyzer;
Described impedance ground monitoring analyzer is connected with on-line monitoring early warning point by RS485 wire communication or ZigBee radio communication; Impedance monitoring analyzer in ground is used for gathering the Monitoring Data of resistance on-line computing model and the data of collection being transferred to on-line monitoring early warning point monitoring;
Described Surge Protector information acquiring instrument is connected with Surge Protector acquisition and analysis instrument by RS485 wire communication or ZigBee radio communication, and Surge Protector information acquiring instrument is used for on-line monitoring Surge Protector deterioration condition, air switch state and Surge Protector action frequency and Monitoring Data is transferred to Surge Protector acquisition and analysis instrument;
Described Surge Protector acquisition and analysis instrument is connected with on-line monitoring early warning point by RS485 wire communication or ZigBee radio communication, and Surge Protector acquisition and analysis instrument is used for gathering the data that Surge Protector information acquiring instrument is monitored and the data of collection being transferred to on-line monitoring early warning point;
Described on-line monitoring early warning point is used for carrying out monitoring management to stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument and Surge Protector acquisition and analysis instrument, when wherein any instrument breaks down, send warning at once, and malfunction and time of origin are dealt on maintainer's mobile phone with short message mode;
On-line monitoring early warning point to be connected with server by GPRS/GSM module or LAN and the data received is passed to server; User terminal can be monitored stake resistance on-line computing model, impedance ground monitoring analyzer, Surge Protector information acquiring instrument, Surge Protector acquisition and analysis instrument and on-line monitoring early warning point by access services device.
2. intelligent lightning protecting on-line real time monitoring system according to claim 1, it is characterized in that, stake resistance on-line computing model comprises circuit board and sensor, sensor is connected with circuit board, sensor for measuring the resistance value in tested loop, and judges the connection state of down conductor according to the size of the tested loop resistance value measuring gained.
3. intelligent lightning protecting on-line real time monitoring system according to claim 2, it is characterized in that, stake resistance on-line computing model also comprises shield shell, and sensor and circuit board are installed in shield shell.
4. intelligent lightning protecting on-line real time monitoring system according to claim 1, is characterized in that, Surge Protector information acquiring instrument comprises Surge Protector remote signalling monitoring means, air switch Condition Monitoring Unit and Surge Protector action frequency monitoring means;
Described Surge Protector remote signalling monitoring means comprises alarm module, Surge Protector remote signalling monitoring means is used for continual collection Surge Protector remote signalling port signal, when signal disconnects, the alarm module in Surge Protector remote signalling monitoring means gives the alarm with the speed of level second;
Described air switch Condition Monitoring Unit comprises alarm module, air switch Condition Monitoring Unit is used for Real-Time Monitoring air switch and disconnects closure state, when disconnecting appears in air switch, the alarm module in air switch Condition Monitoring Unit gives the alarm with the speed of level second;
Described Surge Protector action frequency monitoring means comprises current inductor, signal processing circuit and message register; current inductor enters ground wire for the current signal responded to and by the current signal transfer that senses to signal processing circuit near Surge Protector; signal processing circuit is used for carrying out amplitude limit, rectification, filtering process also with the current signal driving message register after process, message register operation of recording number of times to the current signal received.
5. the intelligent lightning protecting on-line real time monitoring system according to any one of claim 1-4, it is characterized in that, on-line monitoring early warning point comprises Data Analysis Services, data transmission unit and display unit, and Data Analysis Services unit is used for the data analysis process to gathering; Data transmission unit is used for transmitting data; Display unit directly can show image data.
CN201510730961.2A 2015-10-29 2015-10-29 Intelligent lightning-protection online real-time monitoring system Pending CN105259443A (en)

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Cited By (8)

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CN106771716A (en) * 2016-11-28 2017-05-31 上海优泰欧申机电有限公司 Lightning protected intelligent management system
CN107219406A (en) * 2017-07-18 2017-09-29 安徽天玄科技有限公司 A kind of smart grounding impedance monitoring analyzer and its system
CN107478909A (en) * 2017-07-18 2017-12-15 安徽天玄科技有限公司 A kind of smart grounding resistance on-line computing model and its system
CN108414881A (en) * 2018-04-12 2018-08-17 福建拓普检测技术有限公司 A kind of detection method of thunderstorm electricity protective device
CN108845207A (en) * 2018-06-26 2018-11-20 伏诺瓦(天津)科技有限公司 Power transmission line lightning shielding disaster alarm reminding method and device
CN109470929A (en) * 2018-10-18 2019-03-15 天津天禹水务工程勘察设计有限公司 Real-time earthing lightning protection monitoring system and monitoring method based on Internet of Things
CN109839559A (en) * 2019-02-26 2019-06-04 北京雷布斯雷电安全科技有限公司 Lightning protection detects robot system
CN113280861A (en) * 2021-05-27 2021-08-20 南京信息职业技术学院 Real-time monitoring system for surge protector

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CA2941358A1 (en) * 2013-03-12 2014-10-09 Lindsey Manufacturing Company Dynamic real time transmission line monitor and method of monitoring a transmission line using the same
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CN101726681A (en) * 2009-11-13 2010-06-09 上海市电力公司 Real-time monitoring method for power quality monitoring system and terminal running state
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106771716A (en) * 2016-11-28 2017-05-31 上海优泰欧申机电有限公司 Lightning protected intelligent management system
CN107219406A (en) * 2017-07-18 2017-09-29 安徽天玄科技有限公司 A kind of smart grounding impedance monitoring analyzer and its system
CN107478909A (en) * 2017-07-18 2017-12-15 安徽天玄科技有限公司 A kind of smart grounding resistance on-line computing model and its system
CN108414881A (en) * 2018-04-12 2018-08-17 福建拓普检测技术有限公司 A kind of detection method of thunderstorm electricity protective device
CN108845207A (en) * 2018-06-26 2018-11-20 伏诺瓦(天津)科技有限公司 Power transmission line lightning shielding disaster alarm reminding method and device
CN109470929A (en) * 2018-10-18 2019-03-15 天津天禹水务工程勘察设计有限公司 Real-time earthing lightning protection monitoring system and monitoring method based on Internet of Things
CN109839559A (en) * 2019-02-26 2019-06-04 北京雷布斯雷电安全科技有限公司 Lightning protection detects robot system
CN113280861A (en) * 2021-05-27 2021-08-20 南京信息职业技术学院 Real-time monitoring system for surge protector

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