CN206850530U - A kind of high voltage induction electricity getting device of doubleway output - Google Patents

A kind of high voltage induction electricity getting device of doubleway output Download PDF

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Publication number
CN206850530U
CN206850530U CN201720393996.6U CN201720393996U CN206850530U CN 206850530 U CN206850530 U CN 206850530U CN 201720393996 U CN201720393996 U CN 201720393996U CN 206850530 U CN206850530 U CN 206850530U
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China
Prior art keywords
circuit
high voltage
electricity getting
getting device
doubleway output
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Expired - Fee Related
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CN201720393996.6U
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Chinese (zh)
Inventor
程江洲
孙晶
魏业文
王灿霞
朱偲
王卓远
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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Abstract

A kind of high voltage induction electricity getting device of doubleway output; it includes taking energy coil circuit, the rectification circuit being connected with taking energy coil circuit, the current foldback circuit being connected with rectification circuit, the chopper circuit being connected with current foldback circuit and the doubleway output circuit being connected with chopper circuit successively from input to output end.The utility model can solve the problems, such as that high-tension line monitoring device can not be realized uninterrupted power supply, and sensing power taking can only export a kind of magnitude of voltage, it is impossible to the problem of being applied to well in high-tension line monitoring device.

Description

A kind of high voltage induction electricity getting device of doubleway output
Technical field
The invention belongs to the high voltage induction electricity getting device of electronic device field, more particularly to a kind of doubleway output.
Background technology
With developing rapidly for economy, people are used on transmission line of electricity to the quality of power supply and the requirement more and more higher of stability It is also more and more in the equipment of path monitoring, but there are still the problem of two aspects, first, the energy supply problem of monitoring device, Second, how to make energy taking device output multi-channel voltage problem.For the two problems, first, current power supply is still main It is higher to environmental requirement using solar energy and battery or solar energy and wind-force hybrid power supply, and need to change battery, Later maintenance workload is big, can not realize continuous uninterrupted power supply, causes the operation of transmission line-monitoring apparatus to be limited.Although sense Answer that the technology of power taking is not also overripened, and application is not universal enough, still, compared to it is existing take can mode, sensing power taking has very big Advantage:The features such as small volume, stability is high, and cost is low, therefore, this patent have chosen sensing electricity getting device and be energized, and relate to And the complete sensing power taking principle and circuit structure of sensing electricity getting device.Secondly, existing sensing electricity getting device can only export A kind of magnitude of voltage, this patent are a kind of high voltage induction electricity getting devices of doubleway output, devise doubleway output circuit 12V and 5V, Ensure that stable magnitude of voltage can be provided for the monitoring device of different magnitudes of voltage.
The content of the invention
The present invention relates to a kind of high voltage induction electricity getting device of doubleway output, and it can be solved to high-tension line monitoring device not The problem of uninterrupted power supply can be realized, and sensing power taking can only export a kind of magnitude of voltage, it is impossible to well suitable for high-voltage line The problem of on Link Monitor Equipment.
What the purpose of invention was realized in:
A kind of high voltage induction electricity getting device of doubleway output, it includes taking energy coil electricity successively from input to output end Road, the rectification circuit being connected with taking energy coil circuit, the current foldback circuit being connected with rectification circuit and current foldback circuit connect The chopper circuit connect and the doubleway output circuit being connected with chopper circuit.The device is used for solving 220kV and following high pressure The powerup issue of monitoring device on transmission line of electricity.The present apparatus is connected using open type, can be directly clamped among on transmission line of electricity, and position should At transmission tower, influence of the external environmental condition to device can be so avoided;Wrapped after taking energy coil coiling Insulating materials, while shell uses fire-retardant, resistant to elevated temperatures makrolon material, ensures the reliability of power supply.
Above-mentioned taking energy coil circuit includes induction coil and magnetic core, and induction coil uses spiral coiling, core material For silicon steel sheet, it is made up of the silicon steel compression of sheet one by one, two semicircle materials form the iron core of an annular, iron core band There are 1mm insulative air gaps, can so reduce magnetic conductivity, avoid the too fast saturation of iron core, so allow for the device and go for Larger curent change scope, the device are applied to 220kV and following ultra-high-tension power transmission line.
Connected using open type, can be directly clamped among on transmission line of electricity during installation, convenient installation.The shell of taking energy coil uses Fire-retardant, resistant to elevated temperatures makrolon material.
Above-mentioned rectification circuit is halbgesteuerte Gleichrichterbrueckenschaltung.In order to be controlled to each loop, it is necessary to two IGCTs, Two diodes, so both simplify circuit, can control each loop again.Diode selects IN4002 models, and highest is reverse Crest voltage is 100V, rated current 1A;IGCT selects KPSO models, Mean Forward Current 50A, off-state crest voltage For 100V.
Above-mentioned current foldback circuit includes Transient Suppression Diode and the metal-oxide-semiconductor with transient voltage suppressor paralleling.MOS The grid and source electrode of pipe are in parallel with R2, and the grid of metal-oxide-semiconductor and drain electrode are in parallel with R3, wherein, Transient Suppression Diode (TVS) uses P6KE15A, breakdown voltage 15V;Metal-oxide-semiconductor selects IRFY130M, limiting voltage 100V, carrying current 10.8A.
Above-mentioned control module is 80C51 single-chip microcomputers, realizes the control to various functions.
Above-mentioned doubleway output circuit includes 3 electromagnetic relays, realizes the automatic switch on circuit.
Above-mentioned warning circuit includes resistance R4 and triode LM9018 in series with a resistor, and the transmitting collection of triode is grounded, Colelctor electrode connects buzzer.
Taking energy coil in above-mentioned taking energy coil circuit is connected with resistance R1, then in parallel with bridge type semi-control fairing.
In current foldback circuit, the source electrode of one end connection metal-oxide-semiconductor of Transient Suppression Diode, other end connection metal-oxide-semiconductor Drain electrode, the grid and source electrode of metal-oxide-semiconductor are in parallel with R2, and the grid of metal-oxide-semiconductor and drain electrode are in parallel with R3.
It includes Voltage stabilizing module, in Voltage stabilizing module, IGBT colelctor electrode connection inductance L1 one end and the one of electric capacity C1 End, electric capacity C1 other end connection inductance L2 and the anode of diode, electric capacity C2, C3, C4 of the negative electrode connection parallel connection of diode, Electric capacity C5, C6 of electric capacity C4 connections chip LM7812, chip LM7812 other end connection parallel connection, are connecting chip LM7805, Chip LM7812 and chip LM7805 has one end ground connection respectively.
Using said structure, the present invention has the advantages that:
1st, this patent devises a kind of sensing electricity getting device applied to ultra-high-tension power transmission line, completely elaborates to sense power taking Structural principle.
2nd, it is mainly the design to induction coil to take energy module, according to the influence factor of induced voltage, is correspondingly improved ginseng Number is set, and is ensured in the case of less transmission current, can be taken out more alternating currents.
3rd, overcurrent protection module uses two-way Transient Suppression Diode and metal-oxide-semiconductor, absorbs unnecessary energy, voltage is controlled In the range of circuit can be born, back-end circuit is protected.
4th, using dual output circuit, it can be achieved to be needed to select different output according to different equipment, ensure that device General applicability.
5th, in the case of electricity abundance on transmission line of electricity, the power supply of load and the charging of battery are completed, when electricity subtracts When few, the power supply to load is mainly completed, when it can not be load supplying that electricity continues to reduce, then completes to supply by battery Electricity.
6th, this patent is provided with alarm module, when the voltage signal detected is less than the input voltage of chip, mould of alarming Block starts, so as to improve power supply reliability.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the circuit diagram of the present invention;
Fig. 2 is the structured flowchart of the present invention;
Fig. 3 is the circuit diagram of rectification circuit of the present invention;
Fig. 4 is the circuit diagram of current foldback circuit of the present invention;
Fig. 5 is both-end output circuit figure of the present invention;
Fig. 6 is the circuit diagram of accumulator of the present invention.
Fig. 7 is the circuit diagram of warning circuit of the present invention.
Embodiment
As shown in Figures 1 to 7, the high voltage induction electricity getting device of a kind of doubleway output, it from input to output end successively Including taking energy coil circuit 1, the rectification circuit 2 being connected with taking energy coil circuit 1, the overcurrent protection being connected with rectification circuit 2 electricity Road 3, the chopper circuit being connected with current foldback circuit 3 and the doubleway output circuit 4 being connected with chopper circuit.
The taking energy coil circuit 1 includes induction coil and magnetic core, and induction coil uses spiral coiling, core material For silicon steel sheet, it is made up of the silicon steel compression of sheet one by one, two semicircle materials form the iron core of an annular, iron core band There are 1mm insulative air gaps, can so reduce magnetic conductivity, avoid the too fast saturation of iron core, so allow for the device and go for Larger curent change scope, the device are applied to 220kV ultra-high-tension power transmission line.
Connected using open type, can be directly clamped among on transmission line of electricity during installation, convenient installation.The shell of taking energy coil uses Fire-retardant, resistant to elevated temperatures makrolon material.
The rectification circuit 2 is bridge rectifier.The rectification module is half-controlled rectifier circuit.In order to enter to each loop Row control can control each loop, it is necessary to two IGCTs, two diodes, so both simplify circuit again.Diode selects With IN4002 models, highest peak-inverse voltage is 100V, rated current 1A;IGCT selects KPSO models, and forward direction is averagely Electric current is 50A, and off-state crest voltage is 100V.
The current foldback circuit 3 includes Transient Suppression Diode and the metal-oxide-semiconductor with transient voltage suppressor paralleling. The grid and source electrode of metal-oxide-semiconductor are in parallel with R2, and the grid of metal-oxide-semiconductor and drain electrode are in parallel with R3, wherein, Transient Suppression Diode (TVS) Using P6KE15A, breakdown voltage 15V;Metal-oxide-semiconductor selects IRFY130M, limiting voltage 100V, carrying current 10.8A.
The control module is 80C51 single-chip microcomputers, realizes the control to various functions.According to the voltage signal of input, lead to The conversion that single-chip microcomputer 80C51 realizes analog signal and data signal is crossed, then realizes the control to energy-storage module and alarm module.
The doubleway output circuit 4 includes 3 electromagnetic relays, realizes the automatic switch on circuit.
The alarm module circuitry includes resistance R4 and triode LM9018 in series with a resistor, and the transmitting collection of triode connects Ground, colelctor electrode connection buzzer.
It will be understood by those skilled in the art that the electronic component such as single-chip microcomputer, alarm module belongs to as well known to those skilled in the art Technology, the selection to their models are not limited to the record of this specification, the connection and control of single-chip microcomputer and conventional electrical component Relation processed belongs to the common knowledge of those skilled in the art, repeats no more in this manual, and those skilled in the art can basis On-site actual situations selection known approaches are installed to each electronic chip.
Specifically, taking energy coil:Induction coil in this patent uses spiral coiling, magnetic core choose two it is semicircular Silicon steel sheet, two semicircle materials form the iron core of an annular, and iron core carries 1mm insulative air gaps, can so reduce magnetic Conductance, the too fast saturation of iron core is avoided, so allow for the device and go for larger curent change scope, iron core is once Side is single-turn circular coil, and secondary side is multiturn line group, alternating magnetic field around transmission line of electricity be present, and closing coil passes through alternating magnetic field When, induced electromotive force will be induced, secondary side induced electromotive force virtual value is
Wherein, f is frequency;N1For the first siding ring number of turn;N2For the second siding ring number of turn;μ is silicon steel sheet magnetic conductivity;A is The net sectional area of silicon steel sheet magnetic core;I1For primary side current, i.e., the electric current on transmission line of electricity;L is magnetic circuit effective length.When defeated When electric line electric current is more than 70A, it is possible to take out 4W power, can be the monitoring device power supply on transmission line of electricity.220kV and The bus current of the transmission line of electricity of following voltage class may be up to 1000A, and secondary side voltage now can reach 45V, therefore, Must there are corresponding protection circuit and mu balanced circuit behind taking energy coil.
Rectification circuit:The rectification module is half-controlled rectifier circuit.Using the characteristic of the one-way conduction of diode, in electric current just When half period, VT1, VD3 conducting, VT2, VD4 end, and electric current obtains the electric current of a half-wave after the rectification circuit, When negative half-cycle, VT2, VD4 conducting, VT1, VD3 end, and electric current obtains another half-wave after the rectification circuit Electric current, alternating current is become into direct current.
Current foldback circuit:Overcurrent protection module is mainly in parallel by two-way Transient Suppression Diode (TVS) and metal-oxide-semiconductor, The grid of metal-oxide-semiconductor and source electrode are in parallel with R2 again, and the grid of metal-oxide-semiconductor and drain electrode are in parallel with R3.Mainly suppressed using two-way transient state Diode and metal-oxide-semiconductor complete the protective effect to circuit, and when circuit instantaneous voltage exceedes normal voltage, snowslide occurs for TVS pipe, A super-low resistance path is provided to transient current, transient current is drawn away by pipe, avoids protected device, and in voltage Recover to make to be constantly in cut-off state by protective loop before normal value.After transient pulse terminates, TVS pipe recovers high automatically Resistance state, whole loop enter normal voltage.Meanwhile when voltage reaches the cut-in voltage of metal-oxide-semiconductor, i.e.,
Metal-oxide-semiconductor turns on, and so as to protect backend load, when voltage reduces, metal-oxide-semiconductor can recover the state disconnected again. Wherein, Transient Suppression Diode (TVS) uses P6KE15A, breakdown voltage 15V;Metal-oxide-semiconductor selects IRFY130M, limiting voltage For 100V, carrying current 10.8A, R1=R2=50 Ω.
Mu balanced circuit:Mu balanced circuit mainly carries out voltage stabilizing using voltage stabilizing chip LM7812 and LM7805, while in order to ensure The normal work of voltage stabilizing chip, DC-DC mu balanced circuits are also added before voltage stabilizing chip, so as to ensure that input can meet voltage stabilizing The need of work of chip.In DC-DC mu balanced circuits, output voltage is by wholly-controled device IGBT Duty ratio control, Ke Yijin The regulation of row buck, and input and output same polarity, wherein L1=L2=208uH, C1=1.67mF, C2=700uF, C3= 2200μF,C4=0.1 μ F, C5=10 μ F, C6=0.1 μ F, this patent devise dual output, can be achieved according to different equipment need Different output is selected, from voltage stabilizing chip LM7812 and LM7805, C3, C4 are LM7812 filter capacitor, and C5, C6 are LM7805 filter capacitor.
Load circuit:This module uses 3 electromagnetic relays, realizes the automatic switch on circuit, when electric on transmission line of electricity When flowing through big, K1, K2, K3 are closed at, and realize the charging to battery and the power supply to load;When the current decreases, K1, K3 Closure, K2 disconnect, and are mainly used for powering load by sensing power taking whole energy;When electric current continues to reduce, induced-current is not When being enough to provide loaded work piece voltage, then K1 disconnects, and only completes to power by battery.So allowing for that power supply is more stable can Lean on.This patent is also provided with electromagnetic relay in load-side so that when changing rear end equipment, operation is more convenient.
Above-mentioned control module is 80C51 single-chip microcomputers, realizes the control to various functions.According to the voltage signal of input, lead to The conversion that single-chip microcomputer 80C51 realizes analog signal and data signal is crossed, then realizes the control to energy-storage module and alarm module.
The alarm module circuitry includes resistance R4 and triode LM9018, R4=10k in series with a resistor, triode Transmitting collection ground connection, colelctor electrode connection buzzer.
Said structure is used, in use, after taking energy coil secondary side takes out alternating current, by resistance R1, by alternating current Alternating voltage is converted to, then by transformer and bridge rectifier, realizes the rectified action to alternating voltage, including 2 two Pole pipe and 2 IGCTs, when electric current positive half period, VT1, VD3 conducting, VT2, VD4 cut-off, electric current is by the rectification After circuit, the electric current of a half-wave is obtained, when negative half-cycle, VT2, VD4 conducting, VT1, VD3 cut-off, electric current is by being somebody's turn to do After rectification circuit, the electric current of another half-wave is obtained;Then, two-way Transient Suppression Diode TVS, metal-oxide-semiconductor and R1, R2 are in parallel is formed Protection circuit, when circuit instantaneous voltage exceedes normal voltage, snowslide occurs for TVS pipe, and a ultralow electricity is provided to transient current Path is hindered, transient current is drawn away by pipe, avoids protected device, and make to be protected back before voltage recovers normal value Road is constantly in cut-off state.After transient pulse terminates, TVS pipe recovers high-impedance state automatically, and whole loop enters normal Voltage.Meanwhile when voltage reaches the cut-in voltage of metal-oxide-semiconductor, metal-oxide-semiconductor conducting, so as to protect backend load, when voltage reduces When, metal-oxide-semiconductor can recover the state disconnected again;Next, inductance L1, L2, wholly-controled device IGBT, electric capacity C1, C2 and two poles Pipe VD forms chopper circuit, wherein, inductance L1, L2 play the role of energy storage, in addition, when IGBT is in off-state, the first inductance L1 can also power to the load, while be charged to the first electric capacity C1, and the energy of the first electric capacity C1 storages is when IGBT is in on-state Shifted to the second inductance L2;It is finally doubleway output part, mainly by voltage stabilizing chip LM7812 and LM7805, C3, C4 are LM7812 filter capacitor, C5, C6 are LM7805 filter capacitor, and the 3rd electric capacity C3 and the 5th electric capacity C5 are defeated for stablizing Go out, ensure that both end voltage is not mutated, the 4th electric capacity C4 and the 6th electric capacity C6 are for filtering out High-frequency Interference, ensureing output stabilization Magnitude of voltage.
Taking energy coil is connected with resistance R1, and the alternating current of taking-up is transformed into alternating voltage, then with bridge type semi-control rectification Device is in parallel, and in rectification module, when positive half cycle, anode of the electric current through VT1 flows into, the negative electrode outflow through VD3, negative half When all, anode of the electric current through VT2 flows into, the negative electrode outflow through VD4;In overcurrent protection module, Transient Suppression Diode One end connection metal-oxide-semiconductor source electrode, the other end connect metal-oxide-semiconductor drain electrode, the grid and source electrode of metal-oxide-semiconductor are in parallel with R2, metal-oxide-semiconductor Grid and drain electrode are in parallel with R3;In Voltage stabilizing module, IGBT colelctor electrode connection inductance L1 one end and electric capacity C1 one end, electricity Hold C1 other end connection inductance L2 and the anode of diode, electric capacity C2, C3, C4 of the negative electrode connection parallel connection of diode, electric capacity Electric capacity C5, C6 of C4 connections chip LM7812, chip LM7812 other end connection parallel connection, in connection chip LM7805, chip LM7812 and chip LM7805 has one end ground connection respectively.

Claims (8)

  1. A kind of 1. high voltage induction electricity getting device of doubleway output, it is characterised in that:It includes taking successively from input to output end Energy coil circuit (1), the rectification circuit (2) being connected with taking energy coil circuit (1), the overcurrent protection being connected with rectification circuit (2) Circuit (3), the chopper circuit being connected with current foldback circuit (3) and the doubleway output circuit (4) being connected with chopper circuit.
  2. A kind of 2. high voltage induction electricity getting device of doubleway output according to claim 1, it is characterised in that:It is described to take energy line Circle circuit (1) includes induction coil and magnetic core, and induction coil uses spiral coiling, and magnetic core includes 2 semicircular silica gel Piece.
  3. A kind of 3. high voltage induction electricity getting device of doubleway output according to claim 1, it is characterised in that:The rectified current Road (2) is bridge rectifier.
  4. 4. according to a kind of high voltage induction electricity getting device of one of them the described doubleway output of claim 1 or 2, its feature exists In:The current foldback circuit (3) includes Transient Suppression Diode and the metal-oxide-semiconductor with transient voltage suppressor paralleling.
  5. A kind of 5. high voltage induction electricity getting device of doubleway output according to claim 1 or 2, it is characterised in that:It is described double Road output circuit (4) includes 3 electromagnetic relays, realizes the automatic switch on circuit.
  6. A kind of 6. high voltage induction electricity getting device of doubleway output according to claim 3, it is characterised in that:It is described to take energy line Taking energy coil in circle circuit (1) is connected with resistance R1, then in parallel with bridge type semi-control fairing.
  7. A kind of 7. high voltage induction electricity getting device of doubleway output according to claim 6, it is characterised in that:In overcurrent protection In circuit (3), the source electrode of one end connection metal-oxide-semiconductor of Transient Suppression Diode, the other end connects the drain electrode of metal-oxide-semiconductor, the grid of metal-oxide-semiconductor Pole and source electrode are in parallel with R2, and the grid of metal-oxide-semiconductor and drain electrode are in parallel with R3.
  8. A kind of 8. high voltage induction electricity getting device of doubleway output according to claim 6 or 7, it is characterised in that:It includes Voltage stabilizing module, in Voltage stabilizing module, IGBT colelctor electrode connection inductance L1 one end and electric capacity C1 one end, electric capacity C1's is another End connection inductance L2 and diode anode, electric capacity C2, C3, C4 of the negative electrode connection parallel connection of diode, electric capacity C4 connection chips Electric capacity C5, C6 of LM7812, chip LM7812 other end connection parallel connection, in connection chip LM7805, chip LM7812 and core Piece LM7805 has one end ground connection respectively.
CN201720393996.6U 2017-04-15 2017-04-15 A kind of high voltage induction electricity getting device of doubleway output Expired - Fee Related CN206850530U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106911192A (en) * 2017-04-15 2017-06-30 三峡大学 A kind of high voltage induction electricity getting device of doubleway output
CN110601440A (en) * 2019-08-26 2019-12-20 中煤科工集团西安研究院有限公司 Power generation device, power generation module and drilling system
CN110779935A (en) * 2019-11-21 2020-02-11 国网湖南省电力有限公司 Embedded online monitoring system and method for porcelain insulator body
CN111082536A (en) * 2019-12-12 2020-04-28 浙江大学台州研究院 Stable high-voltage induction electricity taking device and method
CN112332550A (en) * 2020-10-21 2021-02-05 华北电力大学 Passive energy-taking device for input and output of transformer neutral line width range

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106911192A (en) * 2017-04-15 2017-06-30 三峡大学 A kind of high voltage induction electricity getting device of doubleway output
CN110601440A (en) * 2019-08-26 2019-12-20 中煤科工集团西安研究院有限公司 Power generation device, power generation module and drilling system
CN110601440B (en) * 2019-08-26 2022-03-15 中煤科工集团西安研究院有限公司 Power generation device, power generation module and drilling system
CN110779935A (en) * 2019-11-21 2020-02-11 国网湖南省电力有限公司 Embedded online monitoring system and method for porcelain insulator body
CN111082536A (en) * 2019-12-12 2020-04-28 浙江大学台州研究院 Stable high-voltage induction electricity taking device and method
CN112332550A (en) * 2020-10-21 2021-02-05 华北电力大学 Passive energy-taking device for input and output of transformer neutral line width range

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