CN206673704U - Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire - Google Patents

Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire Download PDF

Info

Publication number
CN206673704U
CN206673704U CN201720350211.7U CN201720350211U CN206673704U CN 206673704 U CN206673704 U CN 206673704U CN 201720350211 U CN201720350211 U CN 201720350211U CN 206673704 U CN206673704 U CN 206673704U
Authority
CN
China
Prior art keywords
iron core
power
ground wire
transmission line
power taking
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.)
Active
Application number
CN201720350211.7U
Other languages
Chinese (zh)
Inventor
毛先胤
曾华荣
庄红军
陈勇宇
卢金科
黄�良
吕乾勇
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.)
Electric Power Research Institute of Guizhou Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Guizhou Power Grid 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 Electric Power Research Institute of Guizhou Power Grid Co Ltd filed Critical Electric Power Research Institute of Guizhou Power Grid Co Ltd
Priority to CN201720350211.7U priority Critical patent/CN206673704U/en
Application granted granted Critical
Publication of CN206673704U publication Critical patent/CN206673704U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

The utility model discloses the energy taking device that a kind of transmission line of electricity based on CT power takings makes somebody a mere figurehead lightning protection ground wire; it includes power taking iron core; the power taking iron core is connected with Overvoltage protecting unit, and Overvoltage protecting unit is connected with power supply voltage regulation unit, and power supply supervision unit is connected with Overvoltage protecting unit output end;One power taking iron core L1 is installed respectively on the both sides of each steel tower or so ground wire hanging point;The input of every power taking iron core L1 output end and Overvoltage protecting unit is connected by insulated cable;The utility model therefrom obtains electric energy in alternating magnetic field caused by its periphery using the induced-current on aerial earth wire by annular power taking iron core, and the utility model can be by accessing multiple power taking iron cores to improve the total power taking power of electricity getting device parallel simultaneously;Simultaneously in power source internal by using switching mode shorted device, the overvoltage protection of input voltage is realized, improves the complete machine operating efficiency and security of power taking equipment;Solve the deficiencies in the prior art.

Description

Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire
Technical field
The utility model belongs to power technique fields, more particularly to a kind of transmission line of electricity based on CT power takings makes somebody a mere figurehead lightning proof ground The energy taking device of line.
Background technology
With the high speed development of national economy, all trades and professions are increasing to the demand of electric power, and power supply department is provided Power quality is stability, continuity and the requirement also more and more higher with service, therefore remote ultra-high-tension power transmission line Safe operation of electric network is just particularly important.
The geographical environment residing for remote ultra-high-tension power transmission line, weather conditions are more severe at present.And because high pressure is defeated Mostly place that electric line is passed through is high mountain, therefore to ultra-high-tension power transmission line(Hereinafter referred to as transmission line of electricity)Monitoring using pass Just seem under the artificial mode of system very difficult.
Therefore, each supergrid office and Utilities Electric Co. always search for effective monitoring management means, can be to defeated Electric line is effectively monitored, to improve transmission line of electricity safety in operation, reliability.
Some automated monitoring means are employed in some Utilities Electric Co.s at present, also have received certain effect.With current From the point of view of domestic existing transmission line of electricity on-line monitoring product, add the power supply plan of battery using photovoltaic cell mostly, this The advantages of scheme is directly to use luminous energy, without considering from power transmission line electricity taking.But at present by some local uses, this Kind scheme also exposes many problems, main to show several aspects:
Reliability is bad, and or so half a year power-supply system that worked after many device installations occurs as soon as failure, and these failures are main It is due to limited with the operating temperature range of battery at present, is chronically exposed to wild environment so that the life-span of battery drops significantly It is low;
Power-supply system working condition is affected by the external environment greatly, in the case where rainy days or photovoltaic panel icing cover ash, light Volt plate takes energy efficiency very low, and its power taking efficiency is almost nil at night, and many local photovoltaic panel winters at home Almost take less than energy;
It is too high using photovoltaic panel and battery cost, is not easy to promote the use of;
Install relative complex, site operation difficulty and construction volume are relatively large.
Therefore, the electric energy needed for on-line monitoring product work how is obtained to reliable and economic in itself by transmission line of electricity, it is right It is of great significance in the stable operation tool of transmission line of electricity on-line monitoring product.
For transmission line of electricity when carrying out electrical energy transportation, the alternating current on wire can produce alternating magnetic field in space, can be defeated Electric line is maked somebody a mere figurehead and produces induced-current on lightning protection ground wire.Therefore how empty profit ground wire induced electricity is the key to solve the above problems.
The country has many research institutions to have also been made some related researchs in the field, but mainly using voltage power taking Method, realize on this method way to take power it is relatively simple, but using above there is a weakness:It can be only installed at segmentation It is grounded in the aerial earth wire network of framework, and each strain section can only at most install two power taking equipment, for domestic at present What is largely used can not then use completely by tower ground connection earth cord network.
Utility model content:
The technical problems to be solved in the utility model is:A kind of transmission line of electricity based on CT power takings is provided and makes somebody a mere figurehead lightning protection ground wire Energy taking device, to solve the deficiencies in the prior art.
Technical solutions of the utility model:
A kind of transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire, and it includes power taking iron core, described to take Ferroelectric core is connected with Overvoltage protecting unit, and Overvoltage protecting unit is connected with power supply voltage regulation unit, and power supply supervision unit is protected with overvoltage Protect the connection of unit output end.
The power taking iron core L1 is annular design, and it includes upper and lower two halves iron core, two halves iron core alignment up and down during installation, will Aerial earth wire is surrounded wherein, and coupling coil is wound with annular core, and coupling coil both ends are the output end of power taking iron core.
There are a PVC shell bodies outside the power taking iron core L1, epoxy resin encapsulated is used between iron core and PVC shells.
The power taking iron core L1 iron core of two halves up and down is formed by a circular iron core cutting;Iron core after cutting is made using polishing It is in horizontal minute surface to obtain iron core section up and down, and iron core output end is provided with water joint, and two halves use ring to iron core when mounted up and down Shape anchor ear compresses.
The Overvoltage protecting unit includes controllable silicon T1, and controllable silicon T1 input and output side is connected on power taking iron core L1 respectively Two output ends, control terminates at a photoisolator D1 output end, the Phototube Coupling when driver exports high level Device D1 is turned on, triggering controllable silicon T1 control terminal actions so that controllable silicon T1 both ends turn on;When driver Q1 exports the low level time Electric isolator D1 disconnects, triggering controllable silicon T1 control terminal actions so that controllable silicon T1 both ends are closed.
Power supply voltage regulation unit is PWM Switching Power Supplies, and it is depressured chip, inductance L2, diode V1, two electrolysis electricity by PWM Hold C1, C2 to form.
Power supply supervision unit includes micro-chip processor CPU and voltage sampling circuit, voltage sampling circuit and micro-chip processor CPU input connection.
A kind of energy taking device of the aerial lightning protection ground wire of described transmission line of electricity based on CT power takings takes energy method, and it is wrapped Include:
Step 1, a power taking iron core L1 is installed respectively on the both sides of each steel tower or so ground wire hanging point;
Step 2, the input of every power taking iron core L1 output end and Overvoltage protecting unit connected by insulated cable.
The beneficial effects of the utility model:
The utility model is taken using the induced-current on aerial earth wire in alternating magnetic field caused by its periphery by annular Ferroelectric core therefrom obtains electric energy, and the utility model can be total to improve electricity getting device by accessing multiple power taking iron cores parallel simultaneously Power taking power;The overvoltage protection of input voltage is realized, is improved by using switching mode shorted device in power source internal simultaneously The complete machine operating efficiency and security of power taking equipment;Solve the deficiencies in the prior art.
Brief description of the drawings
Fig. 1 is the mounting structure schematic diagram of the utility model power taking iron core;
Fig. 2 is the single ground wire mounting structure schematic diagram of the utility model power taking iron core;
Fig. 3 is the utility model energy taking device integral installation schematic diagram;
Fig. 4 is utility model works theory structure schematic diagram.
Embodiment:
A kind of transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire, and it includes power taking iron core, described to take Ferroelectric core is connected with Overvoltage protecting unit, and Overvoltage protecting unit is connected with power supply voltage regulation unit, and power supply supervision unit is protected with overvoltage Protect the connection of unit output end.
Overvoltage protecting unit, the connection of power supply voltage regulation unit and power supply supervision unit composition supply unit.
The power taking iron core L1 is annular design, and it includes upper and lower two halves iron core, two halves iron core alignment up and down during installation, will Aerial earth wire surrounds wherein(See Fig. 1), coupling coil is wound with annular core, coupling coil both ends are defeated for power taking iron core Go out end.
There are a PVC shell bodies outside the power taking iron core L1, epoxy resin encapsulated is used between iron core and PVC shells.
The power taking iron core L1 iron core of two halves up and down is formed by a circular iron core cutting;Iron core after cutting is made using polishing It is in horizontal minute surface to obtain iron core section up and down, and iron core output end is provided with water joint, and two halves use ring to iron core when mounted up and down Shape anchor ear compresses.
It is attached between power taking iron core L1 output and supply unit using insulated cable;Because aerial earth wire electric current is general Very little, it is few more than 40A.In order to increase total power taking power, while avoid that overweight power taking is installed on single ground wire again Iron core, the power taking simultaneously of multiple power taking iron cores can be used, i.e., installs one respectively on the both sides of each steel tower or so ground wire hanging point Annular power taking iron core, the general power that such energy taking device obtains be multiple iron core power takings only and, taken so as to compensate for single iron core The hypodynamic problem of electric energy, every electricity getting device can access the output connecting cable of multiple power taking power taking iron cores simultaneously.In order to Increase the waterproof ability of power taking iron core, there are a PVC shell bodies outside every half power taking iron core, ring is used between iron core and PVC shells Epoxy resin embedding;The two halves up and down of power taking iron core are formed by a circular iron core cutting.Iron core after cutting is caused using polishing Upper and lower iron core section is in horizontal minute surface, can so greatly improve the power taking efficiency of iron core.Iron core output end is installed a waterproof and connect Head.Two halves are compressed iron core using annular anchor ear when mounted up and down.
The Overvoltage protecting unit includes controllable silicon T1, and controllable silicon T1 input and output side is connected on power taking iron core L1 respectively Two output ends, control terminates at a photoisolator D1 output end, the Phototube Coupling when driver exports high level Device D1 is turned on, triggering controllable silicon T1 control terminal actions so that controllable silicon T1 both ends turn on;When driver Q1 exports the low level time Electric isolator D1 disconnects, triggering controllable silicon T1 control terminal actions so that controllable silicon T1 both ends are closed.Overvoltage protecting unit can be to prevent The high current that only ground wire moment occurs produces high pressure in power taking iron core secondary side.
Power supply voltage regulation unit is PWM Switching Power Supplies, and it is depressured chip, inductance L2, diode V1, two electrolysis electricity by PWM Hold C1, C2 to form.Its major function is exactly to be sent to rear end output after input voltage is carried out voltage stabilizing.Its major function is exactly to make to take The output voltage of energy device can be stablized, to meet rear end equipment work requirements.
Power supply supervision unit includes micro-chip processor CPU and voltage sampling circuit, voltage sampling circuit and micro-chip processor CPU input connection.Micro-chip processor CPU obtains input voltage value by voltage collection circuit, then compared with setting value Compared with Q1 sends high level if input voltage is higher than setting value, turns on controllable silicon T1, the output electricity of short-circuit power taking iron core Pressure, it is on the contrary then sending low level to Q1 disconnects controllable silicon T1, allow power taking iron core L1 normally to export, it is electric so as to reach control input The not over-pressed purpose of pressure.
Sample circuit is made up of resistance R2 and R3.
A kind of energy taking device of the aerial lightning protection ground wire of transmission line of electricity based on CT power takings takes energy method, and it includes:
Step 1, a power taking iron core L1 is installed respectively on the both sides of each steel tower or so ground wire hanging point;As shown in Figure 3:Iron At the hanging point of aerial earth wire 1 and 2 between tower 1,2 and 3, power taking iron core 1-4 is installed.
Step 2, the input of every power taking iron core L1 output end and Overvoltage protecting unit connected by insulated cable.
Power taking iron core 1-4 output end is connected with supply unit.

Claims (7)

1. a kind of transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire, it includes power taking iron core, and its feature exists In:The power taking iron core is connected with Overvoltage protecting unit, and Overvoltage protecting unit is connected with power supply voltage regulation unit, power supply supervision unit It is connected with Overvoltage protecting unit output end.
2. a kind of transmission line of electricity based on CT power takings according to claim 1 makes somebody a mere figurehead the energy taking device of lightning protection ground wire, it is special Sign is:The power taking iron core L1 is annular design, and it includes upper and lower two halves iron core, two halves iron core alignment up and down during installation, will Aerial earth wire is surrounded wherein, and coupling coil is wound with annular core, and coupling coil both ends are the output end of power taking iron core.
3. a kind of transmission line of electricity based on CT power takings according to claim 2 makes somebody a mere figurehead the energy taking device of lightning protection ground wire, it is special Sign is:There are a PVC shell bodies outside the power taking iron core L1, epoxy resin encapsulated is used between iron core and PVC shells.
4. a kind of transmission line of electricity based on CT power takings according to claim 2 makes somebody a mere figurehead the energy taking device of lightning protection ground wire, it is special Sign is:The power taking iron core L1 iron core of two halves up and down is formed by a circular iron core cutting;Iron core after cutting is made using polishing It is in horizontal minute surface to obtain iron core section up and down, and iron core output end is provided with water joint, and two halves use ring to iron core when mounted up and down Shape anchor ear compresses.
5. a kind of transmission line of electricity based on CT power takings according to claim 1 makes somebody a mere figurehead the energy taking device of lightning protection ground wire, it is special Sign is:The Overvoltage protecting unit includes controllable silicon T1, and controllable silicon T1 input and output side is connected on power taking iron core L1 respectively Two output ends, control terminates at a photoisolator D1 output end, the Phototube Coupling when driver exports high level Device D1 is turned on, triggering controllable silicon T1 control terminal actions so that controllable silicon T1 both ends turn on;When driver Q1 exports the low level time Electric isolator D1 disconnects, triggering controllable silicon T1 control terminal actions so that controllable silicon T1 both ends are closed.
6. a kind of transmission line of electricity based on CT power takings according to claim 1 makes somebody a mere figurehead the energy taking device of lightning protection ground wire, it is special Sign is:Power supply voltage regulation unit is PWM Switching Power Supplies, and it is depressured chip, inductance L2, diode V1, two electrochemical capacitors by PWM C1, C2 are formed.
7. a kind of transmission line of electricity based on CT power takings according to claim 1 makes somebody a mere figurehead the energy taking device of lightning protection ground wire, it is special Sign is:Power supply supervision unit includes micro-chip processor CPU and voltage sampling circuit, voltage sampling circuit and micro-chip processor CPU input connection.
CN201720350211.7U 2017-04-05 2017-04-05 Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire Active CN206673704U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720350211.7U CN206673704U (en) 2017-04-05 2017-04-05 Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720350211.7U CN206673704U (en) 2017-04-05 2017-04-05 Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire

Publications (1)

Publication Number Publication Date
CN206673704U true CN206673704U (en) 2017-11-24

Family

ID=60367107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720350211.7U Active CN206673704U (en) 2017-04-05 2017-04-05 Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire

Country Status (1)

Country Link
CN (1) CN206673704U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849369A (en) * 2017-04-05 2017-06-13 贵州电网有限责任公司电力科学研究院 The energy taking device and method of the built on stilts lightning protection ground wire of the transmission line of electricity based on CT power takings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849369A (en) * 2017-04-05 2017-06-13 贵州电网有限责任公司电力科学研究院 The energy taking device and method of the built on stilts lightning protection ground wire of the transmission line of electricity based on CT power takings
CN106849369B (en) * 2017-04-05 2024-05-03 贵州电网有限责任公司电力科学研究院 Energy taking device and method for overhead lightning protection ground wire of power transmission line based on CT electricity taking

Similar Documents

Publication Publication Date Title
CN106849369A (en) The energy taking device and method of the built on stilts lightning protection ground wire of the transmission line of electricity based on CT power takings
CN201886618U (en) High-voltage cable metal sheath earth circulating current monitoring terminal and system
CN104124783B (en) A kind of electricity getting device making somebody a mere figurehead lightning protection ground wire based on transmission line of electricity
CN102564493A (en) Online monitoring system for galloping of overhead power transmission line
CN204925314U (en) Distribution network checkout system that fault locating used
CN207354054U (en) The electric power system of online power equipment monitoring system
CN203414561U (en) Lightning stroke fault point positioning device based on lead energy extraction
CN206673704U (en) Transmission line of electricity based on CT power takings makes somebody a mere figurehead the energy taking device of lightning protection ground wire
CN106249039A (en) A kind of on-line overvoltage monitor for power distribution network
CN103278733B (en) A kind of cable grounding remote monitoring method and Long-Range Surveillance System
CN202770938U (en) Anti-theft circulation current on-line monitoring system with grounding wire
CN103065403A (en) Anti-theft monitoring device of high voltage transmission line iron tower
CN103855708A (en) Ground wire energy-extracting power supplying technology of high-tension overhead line
CN203786250U (en) An intelligent grounding box for power cables
CN202977458U (en) Intelligent PV (photovoltaic) convergence box
CN206932066U (en) A kind of intelligent FTU equipment
CN212569009U (en) On-site monitoring terminal for power transmission line
CN205070460U (en) Civilian photovoltaic power generation and box with a net
CN203700526U (en) Impressed current protection system
CN201742083U (en) Electric leakage failure alarm of arrester
CN204947551U (en) Lightning conducter high pressure electricity getting system
CN202304896U (en) On-line swing monitoring system for overhead transmission line
CN206401885U (en) A kind of isolated intelligent lightning protecting case of radio communication base station
CN207097177U (en) Contactless armored electric cable theft prevention warning system
CN207133618U (en) A kind of box type transformer intelligent measuring and control device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant