CN101867231A - High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line - Google Patents

High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line Download PDF

Info

Publication number
CN101867231A
CN101867231A CN201010210838A CN201010210838A CN101867231A CN 101867231 A CN101867231 A CN 101867231A CN 201010210838 A CN201010210838 A CN 201010210838A CN 201010210838 A CN201010210838 A CN 201010210838A CN 101867231 A CN101867231 A CN 101867231A
Authority
CN
China
Prior art keywords
voltage
circuit
energy
transmission line
power transmission
Prior art date
Application number
CN201010210838A
Other languages
Chinese (zh)
Inventor
柳德伟
俞坤师
Original Assignee
国网电力科学研究院武汉南瑞有限责任公司
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 国网电力科学研究院武汉南瑞有限责任公司 filed Critical 国网电力科学研究院武汉南瑞有限责任公司
Priority to CN201010210838A priority Critical patent/CN101867231A/en
Publication of CN101867231A publication Critical patent/CN101867231A/en

Links

Abstract

The invention relates to a high-voltage side mutual inductance energy-acquiring device of a high-voltage power transmission line, comprising an energy-acquiring unit, an impact protective circuit, a filtering and rectifying circuit, a control unit circuit, a charging management circuit and a voltage-stabilizing circuit. By adopting a feedthrough strip coil with a certain turn number, enough energy can be acquired under the condition of low current, and the conversion and the balance of energy can be realized through a high-speed control unit consisting of a comparator, an MOS (Metal Oxide Semiconductor) tube and a high-power resistor under the condition of heavy current, thereby providing a safe, stable and high-precision direct current power supply for power transmission line motoring under the condition of power transmission current in a wide range.

Description

High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line
Technical field
The present invention relates to transformer station and electric line on-line monitoring field, relate in particular to a kind of transformer station and electric line status monitoring side mutual inductance energy-acquiring device of high-voltage.
Background technology
When carrying out on-line monitoring for the state of transformer station, electric line, the power supply supply problem of high-pressure side electronic equipment becomes a big obstacle that hinders this technical development.Using more high-pressure side supply power mode at present mainly comprises: powered battery, capacitance partial pressure power taking and laser power taking, and solar powered etc.For powered battery, simple but distinct disadvantage be exactly that long use will be changed battery; And for solar powered, because present heliotechnics awaits further to improve its conversion efficiency, particularly at long rainy weather, its flying power can not get ensureing; Also exist some deficiency for methods such as laser power taking, capacitance partial pressure power takings.For example external ABB AB and the domestic product that has occurred all adopt and swash the light delivery scheme, and the shortcoming that exists in this type of scheme implementation is: the life cycle of lasing light emitter is short, only 8000~10000 hours; Costing an arm and a leg of lasing light emitter; The on-site maintenance difficulty is big or the like.
Present application and analysis result show that the power supply of line current induction energy fetching is the most promising a kind of supply power mode.The energy of line current induction energy fetching power supply is from high-tension line, and getting can be to finish by a magnet ring that is wound with coil and is set in high-tension line.At present, the problem that this supply power mode is needed solution badly comprises: 1) under the wide region situation of change of line current, provide stable output; 2) long-term low hear rate stable operation.The Chinese patent 200810212134.4 " high voltage induction energy fetching power supply and obtain the method for power supply from high-voltage line " to power, adopt the mode of compensating unit to solve the problems referred to above, second electromotive force that is different from first electromotive force from the high-voltage line induction, and by the reverse part that compensates first electromotive force of second electromotive force, so that it is the voltage of final output is steady, lower but the shortcoming of this method is the precision and the accuracy of the DC power supply that obtains.
Summary of the invention
The objective of the invention is to overcome the defective that prior art exists, a kind of device of getting energy from the mutual inductance of transmission line high-pressure side is provided, introduced control unit circuit, utilize the dividing potential drop of resistance to concern the grade that influences ultra-high-tension power transmission line, adopt metal-oxide-semiconductor to improve precision and accuracy, make this device under very wide transmission current condition, the DC power supply of safety, stable, high accuracy, high accuracy is provided for the transmission line monitoring equipment.
Technical scheme of the present invention is: high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line, and it comprises: get energy unit, surge protection circuit, filter rectifier, charge management circuit and voltage stabilizing circuit; It is characterized in that: also comprise control unit circuit, get the energy unit and comprise iron core and get the energy coil that ultra-high-tension power transmission line passes iron core, be wrapped with at iron core and get the energy coil; Getting can the unit, surge protection circuit, filter rectifier, control unit circuit connect successively; Divide two-way parallel by diode again, lead up to charge management circuit, another road finally provides stable power output for load by voltage stabilizing circuit.
Aforesaid high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line, it is characterized in that: control unit circuit is connected and composed successively by reference voltage circuit, hysteresis comparison circuit, metal-oxide-semiconductor, high-power resistance, this circuit carries out the conversion and the balance of energy under the situation of big electric current, and then under wide range transmission current condition, for the transmission line monitoring equipment provides safety, stable, high-precision DC power supply.
Aforesaid high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line; it is characterized in that: the surge protection circuit is made of two-way gas discharge tube, two-way Transient Suppression Diode, piezo-resistance; be connected in parallel on the two ends of the output of getting the energy coil, be mainly used to protect the reliability of subsequent conditioning circuit.
Aforesaid high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line, it is characterized in that: charge management circuit is made of DC/DC step-down modular converter, lithium cell charging administration module, the DC/DC boost module of wide input range, DC/DC step-down modular converter is connected with the lithium cell charging administration module respectively with the DC/DC boost module, and this circuit can provide sufficient energy to lithium battery.
Aforesaid high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line, it is characterized in that: iron core is to adopt the air gap that has about 1mm, and fill out the respective thickness insulating material between air gap, reach the delay iron core and reach magnetically saturated state, thereby can weaken the generation of spike.
The present invention adopts the punching band gap coil of certain number of turn, under the situation of little electric current, obtain enough energy, under the situation of big electric current, carry out the conversion and the balance of energy by the High-speed Control unit of forming by comparator, metal-oxide-semiconductor, high-power resistance, and then under wide range transmission current condition, provide the DC power supply of safety, stable, high accuracy, high accuracy for the transmission line monitoring equipment.
Description of drawings
Fig. 1 embodiment of the invention general principles block diagram.
Fig. 2 embodiment of the invention is got the circuit diagram of energy, protection, filter unit.
The circuit theory diagrams of Fig. 3 embodiment of the invention control unit circuit.
The circuit theory diagrams of Fig. 4 embodiment of the invention voltage stabilizing circuit.
The circuit theory diagrams of Fig. 5 embodiment of the invention charge management circuit.
Fig. 6 embodiment of the invention booster circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in more detail.
Of the present invention can the unit by getting (mainly being to have the iron core (U type or O type) and the coil of band air gap to form), surge protection circuit, filter rectifier, control unit circuit, voltage stabilizing circuit, charge management circuit and load form.It mainly is the rapport that will handle control, voltage stabilizing, lithium cell charging management circuit well that its concrete circuit connects.
Preposition part of the present invention on ultra-high-tension power transmission line, makes (i.e. the coil of Zu Chenging) iron core sleeve of being wound with enamelled wire to obtain induced electromotive force at the two ends of coil.Onlinely iris out a line two ends two-way gas discharge tube simultaneously in parallel, two-way transient state suppressing diode (TVS) D and surge protection circuit that adjustable piezo-resistance R forms this device is protected the reliability of subsequent conditioning circuit.The back is a filter rectifier, (MBR20100CT that we adopt) forms full-wave rectification by four Schottky diodes, come filtering by C1, C2 then, the next voltage VCC of output is the power supply of scope than broad like this, and we will handle by follow-up circuit.
One of core of the present invention is a control unit circuit, employing be to realize closed-loop control with metal-oxide-semiconductor Q1, voltage comparator LM393 and high-power resistance R7.That voltage comparator is used is common LM393, and the power supply of this chip is that the VCC5.0 that is provided by Fig. 4 or Fig. 6 supplies with; One of them input stage is provided by the reference voltage that TL431 forms, resistance R 2, R3 constitute the dividing potential drop relation and are provided to another input of comparator, its proportionate relationship will have influence on the grade that this device is used ultra-high-tension power transmission line, and R4, R5 are the sizes of the sluggish window voltage relatively of influence.Come a minute two-way to offer subsequent conditioning circuit by two diodes (D1, D2) at last, wherein be connected with follow-up Fig. 4 circuit, and be connected with follow-up Fig. 5 circuit by D2 by the D1 pipe.
Voltage stabilizing circuit of the present invention, that is be the DC/DC translation circuit.The conversion chip (as LM2576-5.0) of wide input range will be adopted, adjust final output voltage by R1, R2, wherein R3 end connects is that SHDN among Fig. 6 brings in and realizes that mutual inductance is got and can power and the lithium battery seamless switching of power supply separately, and the power supply of getting energy by D1 Schottky diode realization mutual inductance is exported at last.
The present invention realizes the lithium cell charging management circuit, earlier realize that with the conversion chip (LM2576-12) of a DC/DC output voltage of 12V offers its lithium cell charging managing chip (LTC4002-4.2) subsequently, characteristic at lithium battery, the charged in parallel (voltage is 4.2V) of the binodal lithium battery that we adopt, make its effect better, by enough energy are provided.
Booster circuit part of the present invention, because lithium battery provides off-gauge power supply, to realize the power supply of its 5V or 12V by the chip of DC/DC conversion, Li-Battery wherein is the lithium battery end of the Charge Management unit of Fig. 5, at last by the D2 Schottky diode realize lithium battery power path and and Fig. 4 in the power supply of output converge and supply load, finally realize this device get can purpose.

Claims (5)

1. high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line, it comprises: getting can the unit, surge protection circuit, filter rectifier, charge management circuit and voltage stabilizing circuit; It is characterized in that: also comprise control unit circuit, get the energy unit and comprise iron core and get the energy coil that ultra-high-tension power transmission line passes iron core, be wrapped with at iron core and get the energy coil; Getting can the unit, surge protection circuit, filter rectifier, control unit circuit connect successively; Divide two-way parallel by diode again, lead up to charge management circuit, another road finally provides stable power output for load by voltage stabilizing circuit.
2. high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line as claimed in claim 1 is characterized in that: control unit circuit is connected and composed successively by reference voltage circuit, hysteresis comparison circuit, metal-oxide-semiconductor, high-power resistance.
3. high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line as claimed in claim 1 is characterized in that: the surge protection circuit is made of two-way gas discharge tube, two-way Transient Suppression Diode, piezo-resistance, is connected in parallel on the two ends of the output of getting the energy coil.
4. high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line as claimed in claim 1, it is characterized in that: charge management circuit is made of DC/DC step-down modular converter, lithium cell charging administration module, the DC/DC boost module of wide input range, and DC/DC step-down modular converter is connected with the lithium cell charging administration module respectively with the DC/DC boost module.
5. high-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line as claimed in claim 1 is characterized in that: iron core is to adopt the air gap that has about 1mm, and fills out the respective thickness insulating material between air gap.
CN201010210838A 2010-06-28 2010-06-28 High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line CN101867231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010210838A CN101867231A (en) 2010-06-28 2010-06-28 High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010210838A CN101867231A (en) 2010-06-28 2010-06-28 High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line

Publications (1)

Publication Number Publication Date
CN101867231A true CN101867231A (en) 2010-10-20

Family

ID=42958829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010210838A CN101867231A (en) 2010-06-28 2010-06-28 High-voltage side mutual inductance energy-acquiring device of high-voltage power transmission line

Country Status (1)

Country Link
CN (1) CN101867231A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064720A (en) * 2010-12-01 2011-05-18 南京因泰莱电器股份有限公司 Automatic energy obtaining power supply with online monitoring function
CN102231573A (en) * 2011-07-13 2011-11-02 武汉武新电气科技有限公司 Energy supply power source suitable for small current online power acquisition
CN102333403A (en) * 2011-06-29 2012-01-25 林万炯 Protection circuit for preventing LED from impact
CN102510136A (en) * 2011-10-29 2012-06-20 常熟市董浜镇华进电器厂 On-line energy supply way on high-voltage side of electronic type current transformer
CN102564493A (en) * 2011-10-28 2012-07-11 江苏省电力公司连云港供电公司 Online monitoring system for galloping of overhead power transmission line
CN102570855A (en) * 2011-10-27 2012-07-11 江苏省电力公司连云港供电公司 Power supply device for taking electricity from high-voltage side in induction manner
CN102904347A (en) * 2012-11-14 2013-01-30 天津市翔晟远电力设备实业有限公司 Environment energy collecting device applied to high voltage transmission and distribution equipment
CN102946277A (en) * 2012-12-03 2013-02-27 河南省电力公司郑州供电公司 Grounding access device of OPPC (Opticalphase Conductor)
CN105119388A (en) * 2015-09-01 2015-12-02 国网新疆电力公司经济技术研究院 Current transformer energy-obtaining power supply working in wide current range
CN108168651A (en) * 2017-12-16 2018-06-15 太原理工大学 A kind of level of material for ball mill detection device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2511032Y (en) * 2001-10-15 2002-09-11 海信集团有限公司 Domestic-appliance lightning-stroke-proof apparatus of mainly preventing from inductive lightning
CN2610547Y (en) * 2003-03-21 2004-04-07 比亚迪股份有限公司 Charge-discharge circuit of lithium secondary battery for note-book type computer
CN2783334Y (en) * 2005-02-23 2006-05-24 华为技术有限公司 Over current detector
CN100452614C (en) * 2004-12-10 2009-01-14 武汉大学 Induction powered apparatus for overhead high tension transmission lines
CN201185355Y (en) * 2008-04-24 2009-01-21 武汉大学 High voltage line induction electricity-taking apparatus
CN101442222A (en) * 2008-09-08 2009-05-27 梁明 High voltage induction energy fetching power supply and method for obtaining power from high voltage line
CN201315502Y (en) * 2008-12-05 2009-09-23 云南电力试验研究院(集团)有限公司电力研究院 Passive type energy acquiring device of high-voltage aerial wire
CN201360179Y (en) * 2008-12-31 2009-12-09 湖南大学 Induction electricity collecting device for robot on high-voltage transmission line
CN201774324U (en) * 2010-06-28 2011-03-23 国网电力科学研究院武汉南瑞有限责任公司 High voltage side mutual-inductance energy tanking device of high-voltage transmission line

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2511032Y (en) * 2001-10-15 2002-09-11 海信集团有限公司 Domestic-appliance lightning-stroke-proof apparatus of mainly preventing from inductive lightning
CN2610547Y (en) * 2003-03-21 2004-04-07 比亚迪股份有限公司 Charge-discharge circuit of lithium secondary battery for note-book type computer
CN100452614C (en) * 2004-12-10 2009-01-14 武汉大学 Induction powered apparatus for overhead high tension transmission lines
CN2783334Y (en) * 2005-02-23 2006-05-24 华为技术有限公司 Over current detector
CN201185355Y (en) * 2008-04-24 2009-01-21 武汉大学 High voltage line induction electricity-taking apparatus
CN101442222A (en) * 2008-09-08 2009-05-27 梁明 High voltage induction energy fetching power supply and method for obtaining power from high voltage line
CN201315502Y (en) * 2008-12-05 2009-09-23 云南电力试验研究院(集团)有限公司电力研究院 Passive type energy acquiring device of high-voltage aerial wire
CN201360179Y (en) * 2008-12-31 2009-12-09 湖南大学 Induction electricity collecting device for robot on high-voltage transmission line
CN201774324U (en) * 2010-06-28 2011-03-23 国网电力科学研究院武汉南瑞有限责任公司 High voltage side mutual-inductance energy tanking device of high-voltage transmission line

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064720A (en) * 2010-12-01 2011-05-18 南京因泰莱电器股份有限公司 Automatic energy obtaining power supply with online monitoring function
CN102333403A (en) * 2011-06-29 2012-01-25 林万炯 Protection circuit for preventing LED from impact
CN102333403B (en) * 2011-06-29 2014-01-29 林万炯 Protection circuit for preventing LED from impact
CN102231573A (en) * 2011-07-13 2011-11-02 武汉武新电气科技有限公司 Energy supply power source suitable for small current online power acquisition
CN102231573B (en) * 2011-07-13 2013-10-02 武汉武新电气科技有限公司 Energy supply power source suitable for small current online power acquisition
CN102570855B (en) * 2011-10-27 2013-11-06 江苏省电力公司连云港供电公司 Power supply device for taking electricity from high-voltage side in induction manner
CN102570855A (en) * 2011-10-27 2012-07-11 江苏省电力公司连云港供电公司 Power supply device for taking electricity from high-voltage side in induction manner
CN102564493B (en) * 2011-10-28 2015-02-04 国家电网公司 Online monitoring system for galloping of overhead power transmission line
CN102564493A (en) * 2011-10-28 2012-07-11 江苏省电力公司连云港供电公司 Online monitoring system for galloping of overhead power transmission line
CN102510136A (en) * 2011-10-29 2012-06-20 常熟市董浜镇华进电器厂 On-line energy supply way on high-voltage side of electronic type current transformer
CN102904347A (en) * 2012-11-14 2013-01-30 天津市翔晟远电力设备实业有限公司 Environment energy collecting device applied to high voltage transmission and distribution equipment
CN102946277A (en) * 2012-12-03 2013-02-27 河南省电力公司郑州供电公司 Grounding access device of OPPC (Opticalphase Conductor)
CN102946277B (en) * 2012-12-03 2016-08-03 国家电网公司 OPPC optical fiber land networking device
CN105119388A (en) * 2015-09-01 2015-12-02 国网新疆电力公司经济技术研究院 Current transformer energy-obtaining power supply working in wide current range
CN108168651A (en) * 2017-12-16 2018-06-15 太原理工大学 A kind of level of material for ball mill detection device

Similar Documents

Publication Publication Date Title
CN204217167U (en) Single live wire touches lamp control switch
CN102355042B (en) Super-capacitor-based direct current power device of power station and power supply method thereof
CN103795040A (en) Electronic device and power adapter thereof
CN103490628B (en) A kind of single-phase high-gain boost converter
CN103337983B (en) A kind of repeated frequency high-voltage microsecond pulse power supply
CN202634312U (en) Inverter special for lithium battery
CN203056660U (en) Intelligent charger for electric car
CN201365204Y (en) Single-stage and single-phase AC-DC converter based on LLC series resonance
CN103475086A (en) Power source capable of achieving seamless switching of multiple power supply modules
CN205901410U (en) Modular emergent guarantee power
CN104600775B (en) A kind of grid-connected electric discharge device of storage battery activation
CN103347350B (en) Isolated constant-current LED (light-emitting diode) drive chip of peripheral circuit free of auxiliary winding of transformer
CN101527520A (en) Single-stage single-phase AC-DC convertor based on LLC series resonance
CN104377739A (en) Monitoring equipment power supply system for high voltage capacitor step-down electricity taking of tower pole line
CN102118052B (en) Power supply management system
CN103123882B (en) Intelligent controller of bistable permanent-magnet vacuum circuit breaker
CN105406542B (en) A kind of voltage-controlled current-limiting charging circuit of ultracapacitor group
CN106160651B (en) A kind of system inhibiting photovoltaic battery panel PID effect
CN105792438B (en) A kind of buck single-stage LED drive circuit of unity power factor
CN102163871B (en) Multi-power supply system and method
CN103078549A (en) Universal alternating current (AC) adapter for AC and direct current (DC)
CN102270873B (en) Constant-current constant-voltage pulse charger capable of randomly setting charging voltage and charging current
CN205622303U (en) Utilize super capacitor to realize that current transformer of uninterrupted power supply gets electric power supply circuit
CN103427674A (en) 5V stabilized voltage supply with protecting function
CN105914868B (en) Super capacitor energy-storage uninterruptible power supply and its method of supplying power to based on current transformer

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
WD01 Invention patent application deemed withdrawn after publication

Open date: 20101020

C02 Deemed withdrawal of patent application after publication (patent law 2001)