CN106291118A - Arrester ground lead-in wire monitoring warning device and monitoring and pre-alarming method thereof - Google Patents

Arrester ground lead-in wire monitoring warning device and monitoring and pre-alarming method thereof Download PDF

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Publication number
CN106291118A
CN106291118A CN201610620905.8A CN201610620905A CN106291118A CN 106291118 A CN106291118 A CN 106291118A CN 201610620905 A CN201610620905 A CN 201610620905A CN 106291118 A CN106291118 A CN 106291118A
Authority
CN
China
Prior art keywords
lead
ground
monitoring
wire
ground lead
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.)
Pending
Application number
CN201610620905.8A
Other languages
Chinese (zh)
Inventor
陈允营
罗甲佳
李玉宁
马磊
王鹏飞
陈其涛
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
Qingdao Power Supply Co of State Grid Shandong Electric Power Co Ltd
Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Qingdao Power Supply Co of State Grid Shandong Electric Power Co Ltd
Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Qingdao Power Supply Co of State Grid Shandong Electric Power Co Ltd, Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610620905.8A priority Critical patent/CN106291118A/en
Publication of CN106291118A publication Critical patent/CN106291118A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/20Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
    • G01R27/205Measuring contact resistance of connections, e.g. of earth connections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/17Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)

Abstract

The invention provides a kind of arrester ground lead-in wire monitoring warning device and monitoring and pre-alarming method thereof, including shell, CPU, monitoring of equipment unit and alarm device etc.;The step such as including the resistance of resistance detector detection ground lead, the lightning current occurrence number in Pulse induction device record ground lead;Ground wire grounding lead-in wire can be monitored and early warning by the present invention in real time, convenient and reliable, solve the operation maintenance problem of arrester ground lead-in wire, improve safety, it is to avoid because ground lead damages undiscovered and equipment when causing thunderbolt the hidden danger damaged or cause pedestrains safety.Number of lightning strokes can be carried out record statistics simultaneously, facilitate personnel that the circuit frequently that is struck by lightning is added inspection, hidden danger is prevented.Arrester ground of the present invention lead-in wire monitoring and pre-alarming method can effectively comprehensive monitoring and warning, it is to avoid has careless omission, has and preferably add up effect.

Description

Arrester ground lead-in wire monitoring warning device and monitoring and pre-alarming method thereof
Technical field
The present invention relates to lightning protection facility field, specifically, relate to a kind of arrester ground lead-in wire monitoring warning device.
Background technology
On post, spark gap is the most universal in lightning protection facility at present, and it is connected between circuit and the earth, because of thunderbolt Generation action during high transient overvoltage occurs, by ground lead, electric current is introduced the earth, and ground lead is once because of environment sky The factors such as gas, wear and aging, artificial destruction disconnect with earthing pole, and spark gap will be ineffective, is so likely to result in operation Equipment is struck by lightning, when thundering around also must refrain from pedestrian in 8 meters and pass through.Consequently, it is possible to the safe operation of ground lead is safeguarded And judge the most particularly important, but arrester ground lead-in wire makes an inspection tour O&M by personnel entirely at present, does not has a set of effective prison in real time Survey device to monitor and early warning, and circuit is lacked well statistics by thunderbolt area frequently.
Summary of the invention
It is an object of the invention to overcome the weak point of above-mentioned conventional art, it is provided that a kind of can be to the ground connection of spark gap Lead-in wire monitoring in real time, reminds passerby at abnormal alarm and reaches dispatcher, and being able to record that the spark gap of number of lightning strokes Ground lead monitoring warning device and monitoring and pre-alarming method thereof.
The technical scheme is that
Arrester ground lead-in wire monitoring warning device, it is characterised in that: include
Shell;
CPU, is positioned at shell;
Monitoring of equipment unit, the lightning current in the resistance detecting ground lead and ground lead, it is positioned at shell, Electrically connect with CPU;
Alarm device, for warning to passerby, electrically connects with CPU.
A kind of concrete prioritization scheme, monitoring of equipment unit includes resistance detector, resistance detector respectively with ground lead Electrically connect with CPU.
A kind of concrete prioritization scheme, monitoring of equipment unit includes Pulse induction device, Pulse induction device respectively with ground lead Electrically connect with CPU.
A kind of concrete prioritization scheme, monitoring of equipment unit is in parallel with ground lead.
A kind of concrete prioritization scheme, alarm device includes voice guard and/or light alarm apparatus.
Alarm device sends strong flash of light and high pitch interval early warning sound when receiving CPU alarm signal, carries Show that patrolman and pedestrian, switch installed above control it.
A kind of concrete prioritization scheme, shell is provided with fixing device.
A kind of concrete prioritization scheme, fixing device includes that engaging lug, engaging lug are provided with connecting hole.
A kind of concrete prioritization scheme, shell is provided with the terminals being connected with ground lead.
A kind of concrete prioritization scheme, also includes the wireless communication unit for sending detection data, wireless communication unit with CPU electrically connects.
Wireless communication unit can send data to scheduling station system, convenient monitoring in real time.
Arrester ground of the present invention lead-in wire monitoring warning device, can be to ground wire grounding owing to have employed technique scheme Lead-in wire is monitored and early warning in real time, convenient and reliable, solves the operation maintenance problem of arrester ground lead-in wire, improves safety Property, it is to avoid because ground lead damages undiscovered and equipment when causing thunderbolt the hidden danger damaged or cause pedestrains safety. Number of lightning strokes can be carried out record statistics simultaneously, facilitate personnel that the circuit frequently that is struck by lightning is added inspection, hidden danger is carried out pre- Anti-.
A kind of arrester ground lead-in wire monitoring and pre-alarming method, it is characterised in that comprise the steps:
The resistance of A, resistance detector detection ground lead, then sends the data to CPU, and central authorities process Comparing after the data that unit receives, if greater than 4 Ω, CPU sends data to alarm device and nothing simultaneously Line communication unit, alarm device is reported to the police after receiving data, data is sent after wireless communication unit reception data;
Lightning current occurrence number in B, Pulse induction device record ground lead, and it is single to send the data to central authorities' process Unit, the data received are preserved, send data to wireless communication unit simultaneously by CPU, and wireless communication unit receives After data, data are sent.
Arrester ground of the present invention lead-in wire monitoring and pre-alarming method can effectively comprehensive monitoring and warning, it is to avoid has careless omission, has Preferably add up effect.
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of arrester ground of the present invention lead-in wire monitoring warning device;
Fig. 2 is the structural representation of arrester ground of the present invention lead-in wire monitoring warning device.
Detailed description of the invention
Embodiment 1: as shown in Figure 1 to Figure 2, arrester ground lead-in wire monitoring warning device, including
Shell 1;
CPU 6, is positioned at shell 1;
Monitoring of equipment unit 8, the lightning current in the resistance detecting ground lead and ground lead, it is positioned at shell 1 In, electrically connect with CPU 6;
Alarm device 3, for warning to passerby, electrically connects with CPU 6.
It is outside that alarm device 3 is arranged on shell 1.
Shell 1 is provided with the louvre being arranged with ventilation, is provided with radiator fan, in order to ventilate in time in louvre Heat radiation, meets the protection requirement to this device interior element under outdoor environment and environment under high pressure;
Monitoring of equipment unit 8 includes resistance detector, and resistance detector is electric with ground lead and CPU 6 respectively Connect.
Monitoring of equipment unit 8 includes Pulse induction device, and Pulse induction device is electric with ground lead and CPU 6 respectively Connect.
Additionally, CPU 6 can use central processing unit, naturally it is also possible to use single-chip microcomputer.Central authorities process single The data received can be compared by unit 6 with lightning current number of times, when data exceed its threshold values, sends a signal to radio communication list Unit and audible-visual annunciator.
Monitoring of equipment unit 8 is in parallel with ground lead.
Alarm device 3 includes voice guard and/or light alarm apparatus.In the present embodiment, use audible-visual annunciator, simultaneously Possess audible alarm and light warning function.
Shell 1 is provided with fixing device.
Fixing device includes that engaging lug 4, engaging lug 4 are provided with connecting hole 5.
Engaging lug 4 quantity is two, is arranged on shell 1 top and is symmetrical arranged, and during use, is led to metope by engaging lug 4 Cross the fixing connection of the devices such as connecting hole 5, bolt or screw.
Shell 1 is provided with the terminals 2 being connected with ground lead.
Terminals 2 are respectively arranged on shell 1 upper and lower, owing to ground lead is generally vertically arranged, this setting be easy to by Monitoring of equipment unit be arranged in parallel.
Also include the wireless communication unit 7 for sending detection data, wireless communication unit 7 and CPU 6 electricity Connect.
Shell 1 uses insulant to make, can be at high voltage reliability service, it is ensured that equipment dependability.It is also possible to provide Radome, protects main components, it is to avoid magnetic interference, it is ensured that reliability operation under equipment high-intensity magnetic field.
A kind of arrester ground lead-in wire monitoring and pre-alarming method, comprises the steps:
The resistance of A, resistance detector detection ground lead, then sends the data to CPU 6, and central authorities process Comparing after the data that unit 6 receives, if greater than 4 Ω, CPU 6 sends data to alarm device 3 simultaneously With wireless communication unit 7, alarm device 3 receives warning after data, and data are sent after receiving data by wireless communication unit 7;
Lightning current occurrence number in B, Pulse induction device record ground lead, and send the data to CPU 6, the data received are preserved by CPU 6, send data to wireless communication unit 7 simultaneously, and wireless communication unit 7 connects After receiving data, data are sent.

Claims (10)

1. arrester ground lead-in wire monitoring warning device, it is characterised in that: include
Shell;
CPU, is positioned at shell;
Monitoring of equipment unit, the lightning current in detecting the resistance of ground lead and ground lead, be positioned at shell, with in Central Processing Unit electrically connects;
Alarm device, for warning to passerby, electrically connects with CPU.
Arrester ground the most according to claim 1 lead-in wire monitoring warning device, it is characterised in that: monitoring of equipment unit bag Including resistance detector, resistance detector electrically connects with ground lead and CPU respectively.
Arrester ground the most according to claim 1 lead-in wire monitoring warning device, it is characterised in that: monitoring of equipment unit bag Including Pulse induction device, Pulse induction device electrically connects with ground lead and CPU respectively.
Arrester ground the most according to claim 1 lead-in wire monitoring warning device, it is characterised in that: monitoring of equipment unit with Ground lead is in parallel.
Arrester ground the most according to claim 1 lead-in wire monitoring warning device, it is characterised in that: alarm device includes sound Sound alarm and/or light alarm apparatus.
Arrester ground the most according to claim 1 lead-in wire monitoring warning device, it is characterised in that: shell is provided with fixing Device.
Arrester ground the most according to claim 6 lead-in wire monitoring warning device, it is characterised in that: fixing device includes even Lug, engaging lug is provided with connecting hole.
Arrester ground the most according to claim 1 lead-in wire monitoring warning device, it is characterised in that: shell is provided with and connects The terminals that ground lead-in wire connects.
9. according to one of them described arrester ground lead-in wire monitoring warning device of claim 1-8, it is characterised in that: also wrap Including the wireless communication unit for sending detection data, wireless communication unit electrically connects with CPU.
10., according to one of them described a kind of arrester ground lead-in wire monitoring and pre-alarming method of claim 1-9, its feature exists In, comprise the steps:
The resistance of A, resistance detector detection ground lead, then sends the data to CPU, CPU Comparing after the data received, if greater than 4 Ω, CPU sends data to alarm device and channel radio simultaneously Letter unit, alarm device is reported to the police after receiving data, data is sent after wireless communication unit reception data;
Lightning current occurrence number in B, Pulse induction device record ground lead, and send the data to CPU, in The data received are preserved by Central Processing Unit, send data to wireless communication unit simultaneously, and wireless communication unit receives data After by data send.
CN201610620905.8A 2016-07-29 2016-07-29 Arrester ground lead-in wire monitoring warning device and monitoring and pre-alarming method thereof Pending CN106291118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610620905.8A CN106291118A (en) 2016-07-29 2016-07-29 Arrester ground lead-in wire monitoring warning device and monitoring and pre-alarming method thereof

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Application Number Priority Date Filing Date Title
CN201610620905.8A CN106291118A (en) 2016-07-29 2016-07-29 Arrester ground lead-in wire monitoring warning device and monitoring and pre-alarming method thereof

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Publication Number Publication Date
CN106291118A true CN106291118A (en) 2017-01-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643441A (en) * 2017-08-16 2018-01-30 芜湖市凯鑫避雷器有限责任公司 A kind of electric ceramic lightning arrester is grounded high current alarm device
CN111007431A (en) * 2019-12-09 2020-04-14 广东电网有限责任公司汕尾供电局 Device and method for quickly positioning ground fault of 10kV line lightning arrester
CN116504004A (en) * 2023-06-21 2023-07-28 国网山东省电力公司青州市供电公司 Lightning arrester grounding lead monitoring and early warning method, system, device and medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581748A (en) * 2009-06-24 2009-11-18 西安工程大学 Zinc oxide arrester on-line monitoring system
CN201965184U (en) * 2010-12-28 2011-09-07 西安亚能电气有限责任公司 Split type grounding downlead conduction resistance test instrument
CN203881891U (en) * 2014-06-16 2014-10-15 国家电网公司 Transformer grounding downlead conduction state inspection device
CN203932932U (en) * 2014-04-21 2014-11-05 常熟风范电力设备股份有限公司 A kind of transmission tower of resistance to thunder
CN105277854A (en) * 2015-11-18 2016-01-27 国网冀北电力有限公司唐山供电公司 Lightning arrester grounding indicator and lightning arrester grounding indication method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581748A (en) * 2009-06-24 2009-11-18 西安工程大学 Zinc oxide arrester on-line monitoring system
CN201965184U (en) * 2010-12-28 2011-09-07 西安亚能电气有限责任公司 Split type grounding downlead conduction resistance test instrument
CN203932932U (en) * 2014-04-21 2014-11-05 常熟风范电力设备股份有限公司 A kind of transmission tower of resistance to thunder
CN203881891U (en) * 2014-06-16 2014-10-15 国家电网公司 Transformer grounding downlead conduction state inspection device
CN105277854A (en) * 2015-11-18 2016-01-27 国网冀北电力有限公司唐山供电公司 Lightning arrester grounding indicator and lightning arrester grounding indication method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643441A (en) * 2017-08-16 2018-01-30 芜湖市凯鑫避雷器有限责任公司 A kind of electric ceramic lightning arrester is grounded high current alarm device
CN111007431A (en) * 2019-12-09 2020-04-14 广东电网有限责任公司汕尾供电局 Device and method for quickly positioning ground fault of 10kV line lightning arrester
CN116504004A (en) * 2023-06-21 2023-07-28 国网山东省电力公司青州市供电公司 Lightning arrester grounding lead monitoring and early warning method, system, device and medium
CN116504004B (en) * 2023-06-21 2023-11-28 国网山东省电力公司青州市供电公司 Lightning arrester grounding lead monitoring and early warning method, system, device and medium

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Application publication date: 20170104

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