CN104730358A - Novel lightning-protection detection system - Google Patents
Novel lightning-protection detection system Download PDFInfo
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- CN104730358A CN104730358A CN201310699863.8A CN201310699863A CN104730358A CN 104730358 A CN104730358 A CN 104730358A CN 201310699863 A CN201310699863 A CN 201310699863A CN 104730358 A CN104730358 A CN 104730358A
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Abstract
The invention belongs to the lightning-protection field, and is mainly applied to intelligent detection of a building lightning-protection system. A novel lightning-protection detection system comprises an intelligent direct lightning flash detector, an intelligent SPD, an intelligent grounding resistance measuring instrument, a data acquisition terminal, a monitoring host, 485 buses and a network cable. The intelligent direct lightning flash detector is composed of a sensing box and a signal acquisition box, and the sensing box is connected with the signal acquisition box. The signal acquisition box, the intelligent grounding resistance measuring instrument and the intelligent SPD are all connected with the data acquisition terminal through the 485 buses, and then data are further transmitted to the monitoring host through the network cable. The network cable can be replaced by an optical fiber or a CAN bus, and corresponding signal conversion devices are needed. By adopting the novel lightning-protection detection system, all lightning-protection devices are monitored and managed uniformly, only one monitoring host is needed to grasp the working state of the whole lightning-protection system, and a powerful guarantee is provided for reliable lightening protection of a building, effective maintenance by workers and highly-efficient management.
Description
Technical field
The invention belongs to lightning protection field, be mainly used in the Intelligent Measurement of building lightning protection 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 and equipment have arrester, earthing device and SPD, and other are a kind of measure.
Arrester is a kind of metal parts for connecing sudden strain of a muscle, is positioned on building roof, and the lightning accepted will be released into the earth through earthing device by downlead.Arrester connects the situation of sudden strain of a muscle, can reflect local thunderbolt situation, and such data can help designer to design more applicable lightning protection measures.Therefore direct lightning strike detects helpful to taking appropriate lightning protection measures.
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.
SPD is the Primary Component of thunder and lightning and overvoltage protection system; but it is the device of a kind of " sacrifice oneself, protect others ", when SPD 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 due to purposes and the principle of work itself of SPD, it is a global problem that aging, the deterioration state of SPD detect, so be that domestic or external SPD can only carry out Failure Alarm always.This generates a problem, only solve a difficult problem for the various state-detection of SPD, the use safety of subscriber equipment could be improved veritably.Current SPD 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.This just creates a problem again, only has the intelligent system realizing concentrating remote monitoring, just can know the duty of each SPD on-the-spot timely, thus reduce service equipment maintenance cost greatly.
If simultaneously above three Resolving probiems, form a novel intelligent lightning-protection system, so will improve the safety coefficient of lightning surge and overvoltage protection system greatly, can be the property loss that country's minimizing Lightning Disaster causes, simultaneously for all trades and professions reduce maintenance cost, there is huge social and economic benefits.
Summary of the invention
In order to effectively solve the above prior-art problems, the present invention proposes a kind of Novel lightning-proof detection system, and integration management buildings arrester, earthing device and SPD form comprehensive intelligent lightning protecting detection system.
Technical scheme of the present invention is, a kind of Novel lightning-proof detection system, comprises intelligent direct lightning strike detector, intelligent SPD, smart grounding resistance measuring instrument, data collection station, monitoring host computer, 485 buses, netting twine.Described intelligent direct lightning strike detector is made up of sensing box and signals collecting case, and sensing box is connected with signals collecting case; Described signals collecting case, smart grounding resistance measuring instrument, intelligent SPD are all connected with data collection station by 485 buses, then are sent to monitoring host computer by netting twine; Described netting twine also can be replaced by optical fiber, CAN, need increase corresponding signal conversion equipment.
Intelligent direct lightning strike detector of the present invention detects by sensing box and flows through arrester lightning current, by data line by information transmission to signals collecting case, and its size of analytical calculation, waveform, duration, peak value, frequency and energy, pass through the mode of 485 buses or wireless transmission again, these data and figure are sent to monitoring host computer or user mobile phone, thus accumulate data for user, conveniently understand local thunderbolt situation.
Smart grounding resistance measuring instrument of the present invention is installed in the loop of the existing earthing device of buildings, can measure loop stake resistance, and by 485 bus transfer to monitoring host computer, thus allow user can understand the change of earth mat resistance in real time, once exceed danger threshold, can manage in time to fall resistance.
Intelligent SPD of the present invention is different from common SPD; the built-in detection module of described intelligent SPD; the duty of lightning protection component in each lightning-protection module can be detected; and be sent to monitoring host computer by 485 buses, thus realize the real-time monitoring to each SPD, understand SPD deterioration condition; predict its serviceable life in advance; carried out safeguarding or changing before the life-span exceedes early warning value, ensure the continuity of lightning surge and overvoltage protection, greatly save maintenance cost.
Each lightning protection device is carried out unified monitoring management by Novel lightning-proof supervisory system of the present invention, only needs a monitoring host computer, can grasp the duty of whole lightning-protection system, for the reliable lightning protection of buildings, personnel effectively safeguard, efficiently management provide barrier of trying hard to keep.
Accompanying drawing explanation
Fig. 1 is ingredient of the present invention and principle of work schematic diagram.
Fig. 2 is that the present invention is for simple buildings simple embodiment.
Wherein: 0-buildings, 1-arrester, 2-downlead, 3-earthing device, 4-intelligence direct lightning strike detector, 5-sensing box, 6-signals collecting case, 7-intelligence SPD, 8-smart grounding resistance measuring instrument, 9-data collection station, 10-monitoring host computer, 11-485 bus, 12-netting twine, 13-overlapped points.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is each ingredient of the present invention and fundamental diagram, the grounding resistance that the direct lightning strike current information that intelligent direct lightning strike detector 4 can be detected by 485 buses 11 by data collection station 9, the duty of intelligent SPD7, smart grounding resistance measurement 8 instrument are measured gathers, replaced according to applied environment available fiber or CAN by netting twine 12(again, corresponding signal conversion equipment need be increased) transfer to monitoring host computer 10, form complete lightening protect system.
Fig. 2 is that the present invention is for simple buildings simple embodiment.In figure buildings 0 be arrester 1 has been installed, namely downlead 2, earthing device 4(done direct lightning strike protection) common building thing, overlapped points 13 is downlead 2 and the junction of earthing device 4.Fig. 2 is described on this existing building 0 basis, uses Novel Lightning detection system of the present invention.Sensing box 5 is installed on arrester 1, by data line connection signal vasculum 6, form intelligent direct lightning strike detector 4, wherein signals collecting case 6 is connected with data collection station 9 by 485 buses 11, or by the mode of wireless transmission, signal is reached monitoring host computer 10; Intelligence SPD7 is arranged in each floor panel box, is connected with data collection station 9 by 485 buses 11; Smart grounding resistance measuring instrument 8 is connected in certain loop of earthing device 3, is connected with data collection station 9 by 485 buses 11.Data collection station 9 is connected by netting twine 12 with monitoring host computer 10, and netting twine 12 can replace to CAN or optical fiber according to the difference of environment for use.
Described data collection station 9 is collected by 485 buses 11, gather and process the information of intelligent direct lightning strike detector 4, intelligent SPD7, smart grounding resistance measuring instrument 8, and by netting twine 12(Ethernet) or CAN, optical fiber data are passed to monitoring host computer 10.
Described monitoring host computer 10 i.e. a computing machine, is furnished with the auxiliary devices such as switch, database, printer, user by monitoring host computer 10, the information of real-time query intelligence direct lightning strike detector 4, intelligent SPD7, smart grounding resistance measuring instrument 8.
Utilize technical scheme of the present invention, reach corresponding technique effect, or not departing from the technical scheme equivalents under design philosophy of the present invention, all within protection scope of the present invention.
Claims (2)
1. a Novel lightning-proof detection system, is characterized in that: a kind of Novel lightning-proof detection system, comprises intelligent direct lightning strike detector, intelligent SPD, smart grounding resistance measuring instrument, data collection station, monitoring host computer, 485 buses, netting twine; Described intelligent direct lightning strike detector is made up of sensing box and signals collecting case, and sensing box is connected through data line with signals collecting case; Described signals collecting case, smart grounding resistance measuring instrument, intelligent SPD are all connected with data collection station by 485 buses, then are sent to monitoring host computer by netting twine; Described netting twine also can be replaced by optical fiber, CAN, need increase corresponding signal conversion equipment; Described signals collecting case can realize Wireless Data Transmission.
2. a kind of Novel lightning-proof detection system according to claim 1, is characterized in that: the built-in detection module of intelligent SPD, can detect the duty of self each lightning-protection module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310699863.8A CN104730358B (en) | 2013-12-19 | 2013-12-19 | A kind of Novel lightning-proof detecting system |
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| CN201310699863.8A CN104730358B (en) | 2013-12-19 | 2013-12-19 | A kind of Novel lightning-proof detecting system |
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| CN104730358A true CN104730358A (en) | 2015-06-24 |
| CN104730358B CN104730358B (en) | 2018-02-13 |
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Cited By (5)
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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 |
| CN108416450A (en) * | 2018-02-10 | 2018-08-17 | 杭州后博科技有限公司 | A kind of recognition methods of steel tower security risk and system based on lightning stroke data |
| 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 |
| CN109709836A (en) * | 2018-10-29 | 2019-05-03 | 上海大学 | A kind of intelligent lightning monitoring system based on NB-IOT |
| CN112161655A (en) * | 2020-09-25 | 2021-01-01 | 上海市避雷装置检测站工程部 | Lightning rod state detection method and device |
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Cited By (5)
| 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 |
| CN108416450A (en) * | 2018-02-10 | 2018-08-17 | 杭州后博科技有限公司 | A kind of recognition methods of steel tower security risk and system based on lightning stroke data |
| 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 |
| CN109709836A (en) * | 2018-10-29 | 2019-05-03 | 上海大学 | A kind of intelligent lightning monitoring system based on NB-IOT |
| CN112161655A (en) * | 2020-09-25 | 2021-01-01 | 上海市避雷装置检测站工程部 | Lightning rod state detection method and device |
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| Publication number | Publication date |
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| CN104730358B (en) | 2018-02-13 |
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