CN108366442A - The self-control heat conductor and heating equipment and its implementation of embedded insulating heat-conduction material - Google Patents

The self-control heat conductor and heating equipment and its implementation of embedded insulating heat-conduction material Download PDF

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Publication number
CN108366442A
CN108366442A CN201810370549.8A CN201810370549A CN108366442A CN 108366442 A CN108366442 A CN 108366442A CN 201810370549 A CN201810370549 A CN 201810370549A CN 108366442 A CN108366442 A CN 108366442A
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CN
China
Prior art keywords
ice
melt
winding
conductor
icing
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Pending
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CN201810370549.8A
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Chinese (zh)
Inventor
莫思特
谢和平
刘天琪
李碧雄
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Sichuan University
Shenzhen University
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Sichuan University
Shenzhen University
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Application filed by Sichuan University, Shenzhen University filed Critical Sichuan University
Priority to CN201810370549.8A priority Critical patent/CN108366442A/en
Publication of CN108366442A publication Critical patent/CN108366442A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/16Devices for removing snow or ice from lines or cables
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B3/00Ohmic-resistance heating
    • H05B3/40Heating elements having the shape of rods or tubes
    • H05B3/54Heating elements having the shape of rods or tubes flexible
    • H05B3/56Heating cables

Abstract

The self-control heat conductor and heating equipment and its implementation of embedded insulating heat-conduction material.Self-control heat conductor is coaxial cable structure, contains outer conductor, insulating heat-conduction material and inner wire.Insulating heat-conduction material is that a kind of heat conduction is good, the material with insulating capacity.Insulating heat-conduction material is enclosed in outside inner wire, and inner wire periphery is surrounded completely, by internal and external conductor completely every vertical.Heating equipment has two kinds of sending end heating equipment and receiving end heating equipment.Sending end heating equipment realizes that anti-icing ice-melt, receiving end heating equipment connect load by receiving end steel core and realize that anti-icing ice-melt works between the outer conductor and inner wire of self-control heat conductor by the out-put supply of anti-icing ice-melt power transmitting device plus alternating current or direct current.The present invention efficiently uses the fever of itself steel core resistance, and at low cost, effect is good.It is anti-icing to implement ice-melt in the case where control centre controls, can the anti-icing ice-melt online when high voltage transmission line work, ensure that electrical equipment is safe.

Description

The self-control heat conductor and heating equipment and its implementation of embedded insulating heat-conduction material
One, technical field
The present invention relates to conductor ice prevention de-icing technology field, the self-control heat conductor of specifically a kind of embedded insulating heat-conduction material With heating equipment and preparation method thereof.
Two, background technology
In cold winter, the circuits circuit such as electric power, the communication in many areas can all freeze, and cause the damage of circuit.When When icing is more than the endurance of circuit, it may occur that the major accidents such as broken string.So the power circuit in winter or removing for All other routes Ice be it is essential, it is highly important.Due to the development of the social economy, the demand of the circuits such as State Grid, communication is continuous Increase, in the environment of being continuously increased electric load application, the requirement to exposed circuit, especially power circuit more comes Higher.Conducting wire de-icing technology continues to develop in the prior art.But it is existing to be required for being added from ice-melt conducting wire and be added by power supply The material of heat,
Application number:CN201210395025.7 patents of invention《New type low temperature infrared heating automatic de-icing lightning conducter》By one Auxiliary heating wires made of the novel conductive polyester fiber for generating low temperature infrared heat energy of kind are combined with common lightning conducter, And it cuts with scissors and twines in the center of steel hinge line.Accessory power supply is loaded into this auxiliary heating wires, auxiliary heating wires just generate low Warm infrared heat energy makes steel hinge line temperature increase, and achievees the purpose that prevent or remove automatically icing.The conducting wire that this method makes, makes Used time is not easy to random length segmentation, and the conductor for the heating power supply used that generates heat is heating conductors dedicated, bad maintenance.
Application number:CN201510400177.5《Deicing carbon fiber high-low pressure aerial cable》In patent of invention, deicing carbon fiber High-low pressure aerial cable, including high-tension cable are tieed up, high-tension cable is made of the insulating layer of internal high-voltage cable and surface, high Carbon fiber heating line is arranged in the surface of insulating layer of voltage cable.By high-tension cable surface setting can heating power carbon fiber hair Hot line converts electrical energy into heat using carbon fiber, to ensure high-tension cable in severe cold area or normal operation in winter.But It is the conducting wire that this method makes, when use is not easy to random length segmentation, and the conductor of heating power supply that fever uses is heating Conductors dedicated, bad maintenance.
The patent No.:ZL201621095490.9《One kind is from ice-melt conductor and its ice-melting device》In patent of invention, using leading Method of this body structure of body as heating power supply conductor, self-dissolving ice conductor use coaxial cable form, including outer conductor, insulation to lead Hot material and inner wire, ice-melting device are directly connected in the inner and outer conductor of self-dissolving ice conductor.Insulating heat-conduction material is positive temperature The exothermic material of coefficient effect, is placed between inner and outer conductor, and internal and external conductor is completely isolated.Automatic defrosting equipment is opened by transformer Powered-down road, microprocessor, communication module, icing induction module are constituted.Microprocessor connection communication module, icing induction module and Switching circuit receives communication module and controls signal, to communication module transmission data, and receive icing induction module data, controls The operation of automatic defrosting equipment is controlled centrally through communication module.The present invention implements ice-melt in the case where control centre controls, to high pressure The case where can avoid to power off when power transmission line ice-melt and circuit catastrophe failure, are greatly improved existing de-icing technology.But still Exothermic material need to be embedded in.
It is existing all to be needed from ice-melt method for manufacturing lead using heating material, and it is higher to heat material cost, and it is difficult to reality It is now evenly heated, causes existing high from ice-melt conducting wire production cost, heating is uneven.
Three, invention content
The purpose of the present invention is exothermic material is required and is fabricated to for the self-control thermal wire of existing embedded heating material This is higher, offer is a kind of using insulating heat-conduction material substitution heating material, leads to transmission pressure liter using the resistance heating of steel core Temperature, to implement anti-icing and ice-melting device and method.The method of relatively embedded insulating heat-conduction material is compared, and cost is lower, heats work( Rate is more uniform, and ice-melt effect is more preferable, and processing and fabricating is simpler, reliable.
The purpose of the present invention is what is reached in this way:Self-control heat conductor is coaxial cable structure, contains outer conductor, insulating heat-conductive material Material and inner wire.Insulating heat-conduction material is that a kind of heat conduction is good, the material with insulating capacity.Insulating heat-conduction material is led in being enclosed in External side surrounds inner wire periphery completely, and makes internal and external conductor completely isolated, avoids internal and external conductor short-circuit.
There are two types of heating equipments:Sending end heating equipment and receiving end heating equipment.
Sending end heating equipment:By anti-icing ice-melt power transmitting device, first switch circuit, second switch circuit, third switch Circuit, microprocessor, communication module, conductor icing induction module are constituted.Heating equipment is defeated by anti-icing ice-melt power transmitting device Go out and adds alternating current or direct current between the outer conductor and inner wire of self-control heat conductor.
Transmission of electricity power supply is connect with anti-icing ice-melt power transmitting device, and anti-icing ice-melt power transmitting device has two-way output, is all the way transmission of electricity Power output is all the way ice-melt power output.Transmitted power output directly connect with outer conductor, and by first switch circuit and Inner wire connects, and ice-melt power output is connect by second switch circuit with inner wire.First switch circuit on one side and inner wire Connection, one end is connect with anti-icing ice-melt power transmitting device transmitted power output end.Second switch circuit on one side is connect with inner wire, and one End is connect with anti-icing ice-melt power transmitting device ice-melt power take-off.Whenever first switch circuit, second switch circuit only have One conducting:When normal transmission, first switch circuit turn-on, second switch circuit disconnects, and is carried out at the same time transmission of electricity and anti-icing ice-melt When operation, second switch circuit turn-on, first switch circuit disconnects.Third switching circuit is in receiving end connection inner wire and leads outside Body, it is constantly on.
Control centre controls the operation of heating equipment by communication module:Communication module is connect with microprocessor, for Microprocessor transmits the control command of control centre, and by the data transmission of microprocessor to control centre.Microprocessor connects Communication module, icing induction module, first switch circuit, second switch circuit, third switching circuit receive communication module control Signal to communication module transmission data, and receives icing induction module data, according to icing induction module data and communication module Control centre's order of transmission controls switching circuit through and off.Icing induction module connects microprocessor, and sensed data is sent out Give microprocessor.
Receiving end heating equipment:Receiving end heating equipment is divided into using the heating equipment of conventional transformer and is melted using anti-icing Two kinds of the heating equipment of ice loading transformer.
Using the receiving end heating equipment of conventional transformer by the 5th switching circuit, the 6th switching circuit, by electric microprocessor Device, by telecommunication module, by electric conductor icing induction module, steel core load transformer is constituted.It the inner wire of sending end and leads outside Body short circuit connects, and is connected to transmission of electricity power supply output.Receiving end outer conductor is connected to aluminum stranded conductor load transformer, aluminum stranded conductor load The secondary winding of transformer is connect with power load.Receiving end inner wire is connect with the 5th switching circuit, the 6th switching circuit.The Five switching circuit one end connect inner wire, and the other end connects aluminum stranded conductor load transformer, led in the connection of the 6th switching circuit one end Body, the other end connect steel core load transformer.Whenever the 5th switching circuit, the 6th switching circuit only there are one conducting:Just Often when transmission of electricity, the 5th switching circuit conducting, the 6th switching circuit disconnects, when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, the 6th Switching circuit is connected, and the 5th switching circuit disconnects.
Using anti-icing ice-melt load transformer receiving end heating equipment by the 5th switching circuit, the 6th switching circuit, by Electric microprocessor, by telecommunication module, by electric conductor icing induction module, anti-icing ice-melt transmission of electricity load transformer is constituted. The inner wire of sending end is connected with outer conductor short circuit, and is connected to transmission of electricity power supply output.Receiving end outer conductor is connected to anti-icing melt The secondary winding of the aluminum stranded conductor winding of ice loading transformer, anti-icing ice-melt load transformer is connect with power load.In receiving end Conductor is connect with the 5th switching circuit, the 6th switching circuit.5th switching circuit one end connects inner wire, and other end connection is anti-icing The aluminum stranded conductor winding of ice-melt load transformer, the 6th switching circuit one end connect inner wire, and the other end connects anti-icing ice-melt load The steel core winding of transformer.Whenever the 5th switching circuit, the 6th switching circuit only there are one conducting:When normal transmission, the Five switching circuits are connected, and the 6th switching circuit disconnects, and when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, the 6th switching circuit is led Logical, the 5th switching circuit disconnects.
Control centre is run by being controlled heating equipment by telecommunication module:By telecommunication module and by electric microprocessor Connection is used for the control command for being transmitted control centre by electric microprocessor, and will be by the data transmission of electric microprocessor to control Center processed.By the connection of electric microprocessor by telecommunication module, by electric icing induction module, the 5th switching circuit, the 6th switch electricity Road, receives by telecommunication module control signal, to by telecommunication module transfer data, and receives by electric icing induction module number According to, according to by electric icing induction module data and control centre's order for being sent by telecommunication module, control switching circuit it is logical with It is disconnected.It is connected by electric microprocessor, and by sensed data and is sent to by electric microprocessor by electric icing induction module.
The anti-icing ice-melt power transmitting device includes being exchanged with using direct current transportation-using ac transmission-AC power heating Power supply heats two different anti-icing ice-melt power transmitting devices, when use using it is therein any one.
The anti-icing ice-melt power transmitting device of ac transmission-AC power heating:
The anti-icing ice-melt power transmitting device of ac transmission-AC power heating has plain edition ac transmission-AC power heating Two kinds of device and self coupling heating combined equipment.
Plain edition ac transmission-AC power heating combined equipment is three-winding transformer.Including a first winding AB, two Secondary winding CD and DE.Two secondary windings constitute series system in junction D short circuits.Secondary winding DE is transmission of electricity winding, Secondary winding CD is ice-melt winding.
There are two types of connection types for plain edition ac transmission-AC power heating combined equipment secondary winding:Shared ice-melt winding connects Connect mode and independent ice-melt winding connection.
Self coupling heating combined equipment is divided into high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment and low pressure becomes high pressure Self coupling type ac transmission-AC power heating combined equipment.
High voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment increases on the basis of conventional auto-transformer One voltage tap, input tap indicate that voltage tap one is indicated with C with A, and voltage tap two is indicated with D, and high voltage variable low pressure is certainly Coupling common end is indicated with E.Winding between CD is ice-melt winding, and winding is transmission of electricity winding between DE.
Low pressure becomes high pressure self coupling type ac transmission-AC power heating combined equipment and is increased on the basis of conventional auto-transformer One tap, input tap indicate that high-voltage tap one is indicated with J with F, and high-voltage tap two is indicated with I, and input tap and output are taken out Head has a self coupling common end, and input tap is indicated with G, and output tap is indicated with H, and the winding between IJ is known as ice-melt winding, IH it Between winding be known as transmit electricity winding.
There are two types of connection types for high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment secondary winding:It is shared Ice-melt winding connection and independent ice-melt winding connection.
Low pressure becomes high pressure self coupling type ac transmission-AC power heating combined equipment secondary winding, and there are two types of connection types:It is shared Ice-melt winding connection and independent ice-melt winding connection.
Using the anti-icing ice-melt power transmitting device of direct current transportation-AC power heating:
The anti-icing ice-melt power transmitting device of direct current transportation-AC power heating is made of capacitance and inductance.Inductance one end with it is straight Stream transmission of electricity rectifier short circuit connection, the other end are connect with capacitance short-circuit.One end that inductance is connect with rectifier short circuit is ice-melt work( Rate exports, and is connected on second switch circuit.One end that inductance is connect with capacitance short-circuit is connect with outer conductor short circuit, and short circuit It is connected on first switch circuit.
The anti-icing ice-melt load transformer be three winding transformation, respectively aluminum stranded conductor load winding, steel core load winding, By electricity output winding.Aluminum stranded conductor load winding, steel core load winding are first side winding, aluminum stranded conductor load winding and self-control thermal conductivity Line receiving end outer conductor connects, and is connect with self-control thermal wire receiving end inner wire by switching circuit, and steel core load winding is logical Switching circuit is crossed to connect with self-control thermal wire receiving end inner wire.It is connected by electricity output winding and receiving end load.
In connection type that there are two types of the plain edition ac transmission-AC power heating combined equipment secondary windings,
Sharing ice-melt winding connection is:
First side winding AB is connect with transmission of electricity power supply, transmit electricity in secondary winding winding DE and the CD series connection of ice-melt winding, series connection Point D is ice-melt power take-off, is connected on inner wire by second switch circuit.Ice-melt winding CD C-terminals are that transmitted power is defeated Outlet, short circuit is connected to outer conductor, and short circuit is connected to first switch circuit, and the ends D are connect with transmission of electricity winding DE short circuits.Transmission of electricity around Group DE D terminal shortcircuits are connected to the ends ice-melt winding CD, E and are connected to ground.Ice-melt winding CD realizes ice-melt function, ice-melt winding CD and Transmission of electricity winding DE realizes transmission of electricity function jointly.
Independent ice-melt winding connection is:First side winding AB is connect with transmission of electricity power supply, winding of transmitting electricity in secondary winding DE and the CD series connection of ice-melt winding, series connection point D is transmitted power output end, and short circuit is connected to outer conductor, and short circuit is connected to first Switching circuit.The ends E of transmission of electricity winding DE are connected to ground, and the C-terminal of ice-melt winding CD is ice-melt power take-off, short circuit connection second Switching circuit, the ends D are connect with transmission of electricity winding DE short circuits.Ice-melt winding only undertakes ice-melt function, and transmission of electricity winding only undertakes transmission of electricity work( Energy.
Secondary winding in high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment of the self coupling heating combined equipment There are two types of connection types:
Shared ice-melt winding connection:
First side winding AB is connected to input power, and high voltage variable low pressure self coupling common end is connected to ground.One C of voltage tap is Transmitted power output end is connect with first switch short circuit, and is connect with outer conductor short circuit.Two D of voltage tap is ice-melt work( Rate output end is connect with second switch short circuit.Ice-melt winding CD undertakes ice-melt power and transmitted power, and transmission of electricity winding DE is only Undertake transmitted power.
Independent ice-melt winding connection:First side winding AB is connected to input power, high voltage variable low pressure self coupling common end It is connected to ground.One C of voltage tap is ice-melt power take-off, is connect with second switch short circuit.Two D of voltage tap is transmission of electricity Power take-off is connect with first switch short circuit, and is connect with outer conductor short circuit.Ice-melt winding CD undertakes ice-melt power, Transmission of electricity winding DE undertakes transmitted power.
The low pressure of the self coupling heating combined equipment becomes secondary winding in high pressure self coupling type ac transmission-AC power heating combined equipment There are two types of connection types:
Shared ice-melt winding connection:FG is connected to input power, and low pressure becomes high pressure self coupling common end G and is connected to ground. Two I of high-voltage tap is ice-melt electrical power output end, is connect with second switch short circuit.One J of high-voltage tap is that transmitted power is defeated Outlet is connect with first switch short circuit, and is connect with outer conductor short circuit.Ice-melt winding undertakes ice-melt power and transmission of electricity simultaneously Power, transmission of electricity winding undertake transmitted power.
Independent ice-melt winding connection:FG is connected to input power, and low pressure becomes high pressure self coupling common end G and is connected to ground. Two I of high-voltage tap is transmission of electricity electrical power output end, is connect with first switch short circuit, and connect with outer conductor short circuit.High pressure One J of tap is ice-melt power take-off, is connect with second switch short circuit.Ice-melt winding undertakes ice-melt power, winding of transmitting electricity Undertake transmitted power.
The self-control heat conductor inner wire is single-wire, and metal material is steel wire or galvanized steel wire or aluminium clad steel wire Or one kind in the metal tube of optical fiber built-in.The metal that outer conductor is 6 or 12 or 18 or other quantity metal wire manufactures Twisted wire, metal material are one kind in aluminum steel or aluminium alloy wire or the metal tube of aluminium clad steel wire or optical fiber built-in.
The control program of microprocessor is in sending end heating equipment:
The first step:Third switching circuit short circuit.Control centre's order is received by communication module.
Second step:Analysis and Control central command, if start to heatIt is, into the 7th step.It is no, it is walked into third.
Third walks:Analysis and Control central command, if terminate heatingIt is, into the 6th step.It is no, into the 4th step.
4th step:Analysis and Control central command, if incude template contral switching circuit by freezingIt is, into the 5th step. It is no, into the first step.
5th step:Judge that icing induction module has discovered whether iceWithout ice:Into the 6th step.There is ice, into the 7th step.
6th step:First switch short circuit.Second switch open circuit, into the first step.
7th step:Second switch short circuit.First switch open circuit, into the first step.
The control program of microprocessor is in receiving end heating equipment:
The first step:Control centre's order is received by communication module.
Second step:Analysis and Control central command, if start ice-meltIt is, into the 7th step.It is no, it is walked into third.
Third walks:Analysis and Control central command, if terminate ice-meltIt is, into the 6th step.It is no, into the 4th step.
4th step:Analysis and Control central command, if incude template contral switching circuit by freezingIt is, into the 5th step. It is no, into the first step.
5th step:Judge that icing induction module has discovered whether iceWithout ice:Into the 6th step.There is ice, into the 7th step.
6th step:The short circuit of 5th switching circuit.6th switching circuit is opened a way, into the first step.
7th step:The short circuit of 6th switching circuit.5th switching circuit is opened a way, into the first step.
The positive effect of the present invention is:
1, for the self-control thermal wire of embedded heating material, high due to requiring exothermic material, cost of manufacture is higher, and adds Heat is uneven, and different location calorific value is different.Present invention insulating heat-conduction material replaces heating material, relatively embedded heating material Method, cost is lower, homogeneous heating, and different location calorific value is identical.Heating equipment is using sending end heating equipment and by electricity Hold heating equipment two ways, sending end heating equipment is by the out-put supply of anti-icing ice-melt power transmitting device to self-control heat conductor Realize that anti-icing ice-melt, receiving end heating equipment are connected by receiving end steel core plus alternating current or direct current between outer conductor and inner wire It connects load and realizes anti-icing ice-melt work, it is with obvious effects.
2, with the technology of the present invention, anti-icing ice-melt can be implemented when high voltage transmission line works, existing anti-icing ice-melt is avoided to need The case where powering off deicing occurs, and is conducive to high voltage transmission line and works without interruption, the transmission reliability of advantageous power transmission line, ensures Electrical equipment safety.
3, the present invention can realize anti-icing ice-melt in the case where control centre controls by heating, can also automatic decision power transmission line Automatic defrosting at any time whether icing, monitors the working condition of high voltage transmission line, high voltage overhead line is avoided to freeze, advantageous to transmit electricity Line securely and reliably works.
4, self-control heat conductor can realize the function of preventing conductor glaze formation by heating, can be extensively using anti-icing with various needs DC ice-melting, using reliable.
5, random length segmentation can be carried out as needed, it is easy to use.
Four, it illustrates
Fig. 1 is self-control heat conductor structural upright schematic diagram.
Fig. 2 is self-control heat conductor structural schematic diagram.
Fig. 3 is that the outer conductor of self-control heat conductor is the structural schematic diagram of 6 plain conductors.
Fig. 4 is that the outer conductor of self-control heat conductor is the structural schematic diagram of 18 plain conductors.
Fig. 5 is from heating device structure block diagram.
Fig. 6 is plain edition ac transmission-AC power heating combined equipment structural schematic diagram.
Fig. 7 is that plain edition ac transmission-AC power heating combined equipment shares ice-melt winding connection figure.
Fig. 8 is plain edition ac transmission-AC power heating combined equipment independence ice-melt winding connection figure.
Fig. 9 is high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment structural schematic diagram.
Figure 10 is that high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment shares ice-melt winding connection Figure.
Figure 11 is high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment independence ice-melt winding connection Figure.
Figure 12 is that low pressure becomes high pressure self coupling type ac transmission-AC power heating combined equipment structural schematic diagram.
Figure 13 is that low pressure becomes the shared ice-melt winding connection of high pressure self coupling type ac transmission-AC power heating combined equipment Figure.
Figure 14 is that low pressure becomes high pressure self coupling type ac transmission-AC power heating combined equipment independence ice-melt winding connection Figure.
Figure 15 is the anti-icing ice-melt power transmitting device structural schematic diagram using direct current transportation-AC power heating.
Figure 16 is switching circuit structure schematic diagram.
Figure 17 is microprocessor Fundamentals of Mono-Chip Computers figure.
Figure 18 is microprocessor RS232 interface schematic diagram.
Figure 19 is five volts and turns dog days' power-switching circuit figure.
Figure 20 is that dog days turn second of the three ten-day periods of the hot season power-switching circuit figure.
Figure 21 is jtag circuit figure.
Figure 22 is the control flow chart of microprocessor in sending end heating equipment.
Figure 23 is the heating equipment structure chart that receiving end heating equipment uses conventional transformer.
Figure 24 is the heating equipment structure chart that receiving end heating equipment uses anti-icing ice-melt load transformer.
Figure 25 is anti-icing ice-melt load transformer structural schematic diagram.
Figure 26 is the control flow chart of microprocessor in receiving end heating equipment.
In figure, 1 outer conductor, 2 insulating heat-conduction materials, 3 inner wires, 4-1,4-2,4-3,4-4,4-5,4-6 are the 6 of outer conductor Root plain conductor, 5-1,5-2,5-3,5-4,5-5,5-6 be outer conductor inner ring 6 plain conductors, 6-1,6-2,6-3,6-4, 6-5,6-6,6-7,6-8,6-9,6-10,6-11,6-12 are 12 plain conductors of outer conductor outer ring, and 17 input powers, 18 is anti- Ice ice-melt power transmitting device, 19-1 first switch circuits, 19-2 second switch circuits, 19-3 third switching circuits, 19-5 the 5th are opened Powered-down road, the 6th switching circuits of 19-6,20 self-control heat conductors, 21 communication modules, 22 microprocessors, 23 icing induction modules, 24 Plain edition ac transmission-AC power heating combined equipment, 25 first side windings, 26 transmission of electricity windings, 27 ice-melt windings, 28 voltage taps One, 29 voltage taps two, 30 high voltage variable low pressure self coupling type ac transmissions-AC power heating combined equipment, 31 input taps, 32 high pressures Become low pressure self coupling common end, 33 low pressure become input tap one in high pressure self coupling type ac transmission-AC power heating combined equipment and (are also referred to as Become high pressure self coupling common end for low pressure), 34 low pressure, which become in high pressure self coupling type ac transmission-AC power heating combined equipment, inputs tap Two, 35 low pressure become high pressure self coupling type ac transmission-AC power heating combined equipment mesohigh tap two, and 36 low pressure become high pressure self coupling type Ac transmission-AC power heating combined equipment mesohigh tap one, 37 low pressure become high pressure self coupling type ac transmission-AC power heating Device, the anti-icing ice-melt power transmitting device of 38 direct current transportation-AC power heating, 39 capacitances, 40 inductance, 61 aluminum stranded conductors load transformation Device, 62 steel core load transformers, 63 anti-icing ice-melt load transformers, 64 steel core load windings, 65 aluminum stranded conductor load windings, 66 by Electricity output winding, 71 by telecommunication module, and 72 by electric microprocessor, and 73 by electric conductor icing induction module, and 98 ice-melt power are defeated Outlet, 99 transmitted power output ends.
Five, specific implementation mode
The present invention completes anti-icing ice-melt using the self-control heat conductor and heating equipment of embedded insulating heat-conduction material and works, heating Equipment is connected to self-control heat conductor from sending end or receiving end.
Embodiment 1.
On the self-control heat conductor of embedded insulating heat-conduction material anti-icing ice-melt is completed using sending end heating equipment.
Referring to attached drawing 1,2.
Self-control heat conductor is coaxial cable, contains outer conductor 1, insulating heat-conduction material 2 and inner wire 3;Insulating heat-conduction material is A kind of heat conduction is good, the material with insulating capacity.The present embodiment is using the production of Nano-technology Development Co., Ltd of Hefei Air China Heat-conducting insulation material:Model:ZH-HCM-A.
Insulating heat-conduction material 2 is enclosed in outside inner wire, and inner wire periphery is surrounded completely, and makes internal and external conductor complete Isolation avoids internal and external conductor short-circuit.When adding alternating current or direct current between inner wire and outer conductor, steel core resistance turns electric energy Turn to thermal energy so that conductor temperature increases, the ice heating and melting outside conductor.
Inner wire is cylindrical metal.Inner wire is solid conductor, and conductor material is metal or alloy or embedded light Fine metal tube;Inner wire is metallic cable, and twisted wire is metal or alloy.The component part of twisted wire contains in one or more The metal tube of embedding optical fiber.Inner wire uses the material with higher electric resistivity to make.
Outer conductor is the metal or alloy being enclosed in outside insulating heat-conduction material, is metal tube or compo pipe, or gold Belong to twisted wire or alloy twisted wire.The component part of twisted wire is the metal tube containing one or more optical fiber built-in.
For transmission pressure, inner wire is according to National Standard of the People's Republic of China's aluminum stranded conductor and reinforcing bar aluminum stranded conductor (GB1179) steel core of most the inside of the reinforcing bar aluminum stranded conductor of regulation design, or than steel core resistivity higher, intensity higher Doping steel core material.Outer conductor is to be according to National Standard of the People's Republic of China's aluminum stranded conductor and reinforcing bar aluminum stranded conductor (GB1179) aluminum stranded conductor of the aluminum stranded conductor of regulation design or the outer layer of reinforcing bar aluminum stranded conductor or other are lower than aluminum stranded conductor resistivity Conducting wire.
Referring to attached drawing 3,4.
Inner wire is single-wire, and metal material can be steel wire, galvanized steel wire, aluminium clad steel wire, optical fiber built-in One kind in metal tube.The metallic cable that outer conductor is 6 or 12 or 18 or other quantity metal wire manufactures, metal material Can be aluminum steel, aluminium alloy wire, aluminium clad steel wire, one kind in the metal tube of optical fiber built-in.
Outer conductor is that the twisted wire structural schematic diagram of 6 plain conductors is shown in Fig. 3.4-1,4-2,4-3,4-4,4-5,4-6 is outer 6 plain conductors of conductor.
Outer conductor is that the twisted wire structural schematic diagram of 18 plain conductors is shown in Fig. 4.5-1,5-2,5-3,5-4,5-5,5-6 is outer 6 plain conductor 6-1,6-2,6-3,6-4,6-5,6-6,6-7,6-8,6-9,6-10,6-11,6-12 of conductor inner ring are to lead outside 12 plain conductors enclosed in vitro.
Referring to attached drawing 5.
Sending end heating equipment:By anti-icing ice-melt power transmitting device 18, first switch circuit 19-1, second switch circuit 19- 2, third switching circuit 19-3, microprocessor 22, communication module 21, conductor icing induction module 23 are constituted.Heating equipment passes through The output of anti-icing ice-melt power transmitting device adds alternating current or direct current between the outer conductor 1 and inner wire 3 of self-control heat conductor.
Transmission of electricity power supply is connect with anti-icing ice-melt power transmitting device 18, and anti-icing ice-melt power transmitting device has two-way output, is defeated all the way Electrical power output 99, is all the way ice-melt power output 98.Transmitted power output is directly connect with outer conductor 1, and is opened by first Powered-down road 19-1 is connect with inner wire 3, and ice-melt power output is connect by second switch circuit 19-2 with inner wire.First switch The one end circuit 19-1 is connect with inner wire, and one end is connect with anti-icing ice-melt power transmitting device transmitted power output end.Second switch electricity Road one end 19-2 is connect with inner wire, and one end is connect with anti-icing ice-melt power transmitting device ice-melt power take-off.Whenever first Only there are one conductings by switching circuit 19-1, second switch circuit 19-2:When normal transmission, the 19-1 conductings of first switch circuit, the Two switching circuit 19-2 are disconnected, when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, the 19-2 conductings of second switch circuit, and first switch Circuit 19-1 is disconnected.Third switching circuit 19-3 connects inner wire and outer conductor in receiving end, constantly on.
Control centre controls the operation of heating equipment by communication module 21:Communication module 21 is connect with microprocessor 22, Control command for transmitting from control centre to microprocessor, and by the data transmission of microprocessor to control centre.Microprocessor Device connection communication module 21, icing induction module 23, first switch circuit 19-1, second switch circuit 19-2, third switch electricity Road 19-3 receives communication module 21 and controls signal, to communication module transmission data, and receives 23 data of icing induction module, root According to control centre's order that icing induction module data and communication module are sent, control switching circuit is connected and disconnects.Freeze sense It answers module 23 to connect microprocessor 22, and sensed data is sent to microprocessor.
Communication module uses fiber optic telecommunications module, or wireless transmission communication module.
The present embodiment is using wireless transmission communication module:Beijing Jie Mai communication apparatus Co., Ltd produces:G300 type GSM numbers Transmission module.G300 type GSM digital transmission modules interfaces are connect with microprocessor RS232 interface.
Icing induction module is existed using the GD-FB power delivery circuit icing of electricity Long March power equipment Co., Ltd of Wuhan state production Line monitoring system.Monitoring data gives microprocessor.
Referring to attached drawing 6- Figure 14.
Anti-icing ice-melt power transmitting device 18 includes using ac transmission-AC power heating and using direct current transportation-alternating current Source heats two different anti-icing ice-melt power transmitting devices, when use using it is therein any one.
The anti-icing ice-melt power transmitting device of ac transmission-AC power heating has plain edition ac transmission-AC power heating Two kinds of device and self coupling heating combined equipment.
Plain edition ac transmission-AC power heating combined equipment is three-winding transformer.Including a first winding AB, two Secondary winding CD and DE.Two secondary windings constitute series system in junction D short circuits.Secondary winding DE is transmission of electricity winding, Secondary winding CD is ice-melt winding.
There are two types of connection types for plain edition ac transmission-AC power heating combined equipment secondary winding:Shared ice-melt winding connects Connect mode and independent ice-melt winding connection.
Sharing ice-melt winding connection is:
First side winding AB 25 is connect with transmission of electricity power supply, and transmit electricity winding DE 26 and ice-melt winding CD 27 in secondary winding Series connection, series connection point D are ice-melt power take-off, are connected on inner wire 3 by second switch circuit 19-2.Ice-melt winding CD The ends 27C are transmitted power output end, and short circuit is connected to outer conductor 1, and short circuit be connected to the first switch circuit end 19-1, D with it is defeated 26 short circuit connections of electric winding DE.Transmission of electricity winding DE 26D terminal shortcircuits are connected to ice-melt winding CD 27, and the ends E are connected to ground.Ice-melt Winding CD 27 realizes that ice-melt function, ice-melt winding CD 27 and transmission of electricity winding DE 26 realize transmission of electricity function jointly.
Independent ice-melt winding connection is:First side winding AB 25 with transmission of electricity power supply connect, in secondary winding transmit electricity around Group DE 26 and ice-melt winding CD 27 connects, and series connection point D is transmitted power output end, and short circuit is connected to outer conductor, and short circuit is even It is connected to first switch circuit 19-1.The ends transmission of electricity winding DE 26E are connected to ground, and the ends ice-melt winding CD 27C are ice-melt power output End, the short circuit connection second switch circuit end 19-2, D are connect with 26 short circuits of transmission of electricity winding DE.Ice-melt winding only undertakes ice-melt work( Can, transmission of electricity winding only undertakes transmission of electricity function.
Self coupling heating combined equipment is divided into high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment and low pressure becomes high pressure Self coupling type ac transmission-AC power heating combined equipment.
High voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment increases on the basis of conventional auto-transformer One voltage tap, input tap indicate that voltage tap one is indicated with C with A, and voltage tap two is indicated with D, and high voltage variable low pressure is certainly Coupling common end is indicated with E.Winding between CD is ice-melt winding, and winding is transmission of electricity winding between DE.
Low pressure becomes high pressure self coupling type ac transmission-AC power heating combined equipment and is increased on the basis of conventional auto-transformer One tap, input tap indicate that high-voltage tap one is indicated with J with F, and high-voltage tap two is indicated with I, and input tap and output are taken out Head has a self coupling common end, and input tap is indicated with G, and output tap is indicated with H, and the winding between IJ is known as ice-melt winding, IH it Between winding be known as transmit electricity winding.
Secondary winding has two in high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment of self coupling heating combined equipment Kind connection type, shares ice-melt winding connection and independent ice-melt winding connection.
Shared ice-melt winding connection:
First side winding AB is connected to input power, and high voltage variable low pressure self coupling common end 32 is connected to ground.Voltage tap one C28 is transmitted power output end, is connect with first switch circuit 19-1 short circuits, and connect with outer conductor short circuit.Two D of voltage tap 29 be ice-melt power take-off, is connect with second switch circuit 19-2 short circuits.Ice-melt winding CD undertakes ice-melt power and transmission of electricity work( Rate, transmission of electricity winding DE only undertake transmitted power.
Independent ice-melt winding connection:First side winding AB is connected to input power, high voltage variable low pressure self coupling common end 32 are connected to ground.One C 28 of voltage tap is ice-melt power take-off, is connect with second switch circuit 19-2 short circuits.Voltage tap Two D 29 are transmitted power output end, are connect with first switch circuit 19-1 short circuits, and connect with outer conductor short circuit.Ice-melt winding CD undertakes ice-melt power, and transmission of electricity winding DE undertakes transmitted power.
The low pressure of self coupling heating combined equipment, which becomes secondary winding in high pressure self coupling type ac transmission-AC power heating combined equipment, two Kind connection type, shares ice-melt winding connection and independent ice-melt winding connection.
Shared ice-melt winding connection:FG is connected to input power, and low pressure becomes high pressure self coupling common end G and is connected to ground. Two I of high-voltage tap is ice-melt electrical power output end, is connect with second switch circuit 19-2 short circuits.One J of high-voltage tap is transmission of electricity work( Rate output end connect with first switch circuit 19-1 short circuits, and is connect with outer conductor short circuit.Ice-melt winding undertakes ice-melt work(simultaneously Rate and transmitted power, transmission of electricity winding undertake transmitted power.
Independent ice-melt winding connection:FG is connected to input power, and low pressure becomes high pressure self coupling common end G and is connected to ground. Two I of high-voltage tap is transmission of electricity electrical power output end, is connect with first switch circuit 19-1 short circuits, and connect with outer conductor short circuit. One J of high-voltage tap is ice-melt power take-off, is connect with second switch circuit 19-2 short circuits.Ice-melt winding undertakes ice-melt power, Transmission of electricity winding undertakes transmitted power.
Referring to attached drawing 15.
Using the anti-icing ice-melt power transmitting device of direct current transportation-AC power heating:Direct current transportation-AC power heating is prevented Ice ice-melt power transmitting device is made of capacitance 39 and inductance 40.40 one end of inductance is connect with direct current transportation rectifier short circuit, the other end It is connect with capacitance short-circuit.One end that inductance is connect with rectifier short circuit is ice-melt power output, is connected to second switch circuit 19- On 2.One end that inductance is connect with capacitance short-circuit is connect with 1 short circuit of outer conductor, and short circuit is connected to first switch circuit 19-1 On.
In the present invention, all switching circuits are all made of identical circuit, and switching circuit structure schematic diagram is shown in Figure 16.
Wherein, KT:Japanese Omron Corp, LY1-J, UT1:Toshiba Corp produces, TLP521,
QT4:Fairchild Semiconductor Corporation companies of the U.S.:SS9013,
QT1:Fairchild Semiconductor Corporation companies of the U.S.:IN4148.
The inner wire of heat conductor is made in switch port A connection transformers, switch port B connections by oneself.The micro- place of RELAYIN1 connections Manage device circuit terminal of the same name.
The smoothing reactor that inductance 40 is produced using the design of Shanghai Zhi You Electric Manufactures Co., Ltd.
The high-voltage capacitor of 39 Xi'an Xi electricity power capacitors Co., Ltd of capacitance production.
Microprocessor uses microcontroller.Figure 17 is Fundamentals of Mono-Chip Computers figure.U11:MSP430F5438:Microcontroller/the U.S. TEXAS INSTRUMENTS companies
Figure 18 is microprocessor RS232 interface schematic diagram.In figure, U8:MAX232, RS232 interface chip/U.S. maxim Company.
CH3LOOPa, CH3LOOPb are connect with terminal Power Line Carrier Communication Module communication interface connecting line.
CH4LOOPa, CH4LOOPb are connect with terminal electrical parameter acquisition module communication interface connecting line.
Referring to attached drawing 19.
Five volts of microprocessor peripheral circuit turns dog days' power-switching circuit.Wherein, UP18:LM26400Y:Power supply converts core Piece/NATIONAL SEMICONDUCTOTR companies of the U.S.
Referring to attached drawing 20.
Microprocessor periphery dog days turn second of the three ten-day periods of the hot season power-switching circuit.
Figure 21 is the jtag circuit figure used in the present embodiment.
The high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment and self coupling heating combined equipment of self coupling heating combined equipment Low pressure become high pressure self coupling type ac transmission-AC power heating combined equipment and make Specification Design according to transmitting transformer and make.
The sending end heating equipment of the present invention is by anti-icing ice-melt power transmitting device 18, first switch circuit 19-1, second switch Circuit 19-2, third switching circuit 19-3, microprocessor 22, communication module 21, conductor icing induction module 23 are constituted.Heating is set The standby output by anti-icing ice-melt power transmitting device between the outer conductor 1 and inner wire 3 of self-control heat conductor plus alternating current or straight Galvanic electricity.
Transmission of electricity power supply is connect with anti-icing ice-melt power transmitting device 18, and anti-icing ice-melt power transmitting device has two-way output, is defeated all the way Electrical power output 99, is all the way ice-melt power output 98.Transmitted power output is directly connect with outer conductor 1, and is opened by first Powered-down road 19-1 is connect with inner wire 3, and ice-melt power output is connect by second switch circuit 19-2 with inner wire.First switch The one end circuit 19-1 is connect with inner wire, and one end is connect with anti-icing ice-melt power transmitting device transmitted power output end.Second switch electricity Road one end 19-2 is connect with inner wire, and one end is connect with anti-icing ice-melt power transmitting device ice-melt power take-off.Whenever first Only there are one conductings by switching circuit 19-1, second switch circuit 19-2:When normal transmission, the 19-1 conductings of first switch circuit, the Two switching circuit 19-2 are disconnected, when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, the 19-2 conductings of second switch circuit, and first switch Circuit 19-1 is disconnected.Third switching circuit 19-3 connects inner wire and outer conductor in receiving end, constantly on.
Control centre controls the operation of heating equipment by communication module 21:Communication module 21 is connect with microprocessor 22, Control command for transmitting from control centre to microprocessor, and by the data transmission of microprocessor to control centre;Microprocessor Device connection communication module 21, icing induction module 23, switching circuit 19-1,19-2 receive communication module 21 and control signal, Xiang Tong Believe module transfer data, and receive 23 data of icing induction module, is sent according to icing induction module data and communication module Control centre's order controls switching circuit through and off;Icing induction module 23 connects microprocessor 22, and sensed data is sent To microprocessor.
Attached drawing 22 gives the microprocessor control flow chart of the present embodiment.
The first step:Switching circuit 19-3 short circuits;Control centre's order is received by communication module;
Second step:Analysis and Control central command, if start to heatIt is, into the 7th step;It is no, it is walked into third;
Third walks:Analysis and Control central command, if terminate heatingIt is, into the 6th step;It is no, into the 4th step;
4th step:Analysis and Control central command, if incude template contral switching circuit by freezingIt is, into the 5th step; It is no, into the first step;
5th step:Judge that icing induction module has discovered whether iceWithout ice:Into the 6th step;There is ice, into the 7th step;
6th step:Switching circuit 19-1 short circuits;Switching circuit 19-2 open circuits, into the first step;
7th step:Switching circuit 19-2 short circuits;Switching circuit 19-1 open circuits, into the first step.
Embodiment 2.
On the self-control heat conductor of embedded insulating heat-conduction material anti-icing ice-melt is completed using receiving end heating equipment.
Referring to attached drawing 23.
Receiving end heating equipment is divided into using the heating equipment of conventional transformer and using anti-icing ice-melt load transformer Two kinds of heating equipment.The present embodiment uses the receiving end heating equipment using conventional transformer.
Using conventional transformer receiving end heating equipment by the 5th switching circuit 19-5, the 6th switching circuit 19-6, by Electric microprocessor 72, by telecommunication module 71, by electric conductor icing induction module 73, steel core load transformer 62 is constituted.Power transmission The inner wire at end is connected with outer conductor short circuit, and is connected to transmission of electricity power supply output.Receiving end outer conductor is connected to aluminum stranded conductor load The secondary winding of transformer 61, aluminum stranded conductor load transformer is connect with power load.Receiving end inner wire and the 5th switching circuit 19-5, the 6th switching circuit 19-6 connections.5th one end switching circuit 19-5 connects inner wire, and the other end connects aluminum stranded conductor load Transformer 61, the 6th one end switching circuit 19-6 connect inner wire, and the other end connects steel core load transformer 62.Whenever Five switching circuit 19-5, only there are one conductings by the 6th switching circuit 19-6:When normal transmission, the 5th switching circuit 19-5 conductings, 6th switching circuit 19-6 is disconnected, and when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, the 6th switching circuit 19-6 conductings, the 5th opens Powered-down road 19-5 is disconnected.
By telecommunication module, by electric microprocessor, by electric conductor icing induction module mould is communicated with embodiment 1 respectively Block, microprocessor, conductor icing induction module are identical.
Embodiment 3.
Referring to attached drawing 24.
The present embodiment uses the heating equipment using anti-icing ice-melt load transformer.
Using the receiving end heating equipment of anti-icing ice-melt load transformer by the 5th switching circuit 19-5, the 6th switching circuit 19-6, by electric microprocessor 72, by telecommunication module 71, by electric conductor icing induction module 73, anti-icing ice-melt transmission of electricity load becomes Depressor 63 is constituted.The 1 short circuit connection of inner wire 3 and outer conductor of sending end, and it is connected to transmission of electricity power supply output.Receiving end outer conductor 1 is connected to the aluminum stranded conductor winding of anti-icing ice-melt load transformer 63, the secondary winding of anti-icing ice-melt load transformer 63 and electricity consumption Load connection.Receiving end inner wire 3 is connect with the 5th switching circuit 19-5, the 6th switching circuit 19-6.5th switching circuit 19- 5 one end connect inner wire 3, and the other end connects the aluminum stranded conductor winding of anti-icing ice-melt load transformer 63, the 6th switching circuit 19-6 One end connects inner wire 3, and the other end connects the steel core winding of anti-icing ice-melt load transformer 63.Whenever the 5th switching circuit 19-5, only there are one conductings by the 6th switching circuit 19-6:When normal transmission, the 5th switching circuit 19-5 conductings, the 6th switch electricity Road 19-6 is disconnected, when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, the 6th switching circuit 19-6 conductings, and the 5th switching circuit 19-5 It disconnects.
By telecommunication module, by electric microprocessor, by electric conductor icing induction module mould is communicated with embodiment 1 respectively Block, microprocessor, conductor icing induction module are identical.
Control centre is run by being controlled heating equipment by telecommunication module 71:By telecommunication module 71 and by the micro- place of electricity It manages device 72 to connect, be used for the control command for being transmitted control centre by electric microprocessor, and will be passed by the data of electric microprocessor Give control centre.It is connected by telecommunication module 71, by electric icing induction module 73, the 5th switching circuit by electric microprocessor 72 19-5, the 6th switching circuit 19-6 are received and are controlled signal by telecommunication module 71, to by telecommunication module transfer data, and are connect Electric 73 data of icing induction module are received, according to by electric icing induction module data and the control centre by the transmission of telecommunication module Order controls switching circuit through and off.It is connected by electric microprocessor 72, and by sensed data and is sent by electric icing induction module 73 To by electric microprocessor.
Referring to attached drawing 25.
Anti-icing ice-melt load transformer 63 is three winding transformation, respectively aluminum stranded conductor load winding 65, steel core load winding 64, by electricity output winding 66.Aluminum stranded conductor load winding 65, steel core load winding 64 are first side winding, aluminum stranded conductor load winding 66 connect with self-control thermal wire receiving end outer conductor 1, and are connect with self-control thermal wire receiving end inner wire by switching circuit, steel Core load winding 64 is connect by switching circuit with self-control thermal wire receiving end inner wire 3.By electricity output winding 66 and receiving end Load connection.
Referring to attached drawing 26.
The control program of microprocessor is in receiving end heating equipment:
The first step:By being received control centre's order by telecommunication module.
Second step:Analysis and Control central command, if start ice-meltIt is, into the 7th step.It is no, it is walked into third.
Third walks:Analysis and Control central command, if terminate ice-meltIt is, into the 6th step.It is no, into the 4th step.
4th step:Analysis and Control central command, if incude template contral switching circuit by freezingIt is, into the 5th step. It is no, into the first step.
5th step:Judge that icing induction module has discovered whether iceWithout ice:Into the 6th step.There is ice, into the 7th step.
6th step:The short circuit of 5th switching circuit.6th switching circuit is opened a way, into the first step.
7th step:The short circuit of 6th switching circuit.5th switching circuit is opened a way, into the first step.

Claims (10)

1. the self-control heat conductor and heating equipment of a kind of embedded insulating heat-conduction material, it is characterised in that:It is coaxial to make heat conductor by oneself The construction of cable, (1) containing outer conductor, insulating heat-conduction material (2) and inner wire (3);Insulating heat-conduction material is that a kind of heat conduction is good, is had The material of insulating capacity;Insulating heat-conduction material (2) is enclosed in outside inner wire, and inner wire periphery is surrounded completely, and is made interior Outer conductor is completely isolated, avoids internal and external conductor short-circuit;
There are two types of heating equipments:Sending end heating equipment and receiving end heating equipment;
A, sending end heating equipment:By anti-icing ice-melt power transmitting device (18), first switch circuit (19-1), second switch circuit (19-2), third switching circuit (19-3), microprocessor (22), communication module (21), conductor icing induction module (23) are constituted; Heating equipment is added by the output of anti-icing ice-melt power transmitting device between the outer conductor (1) and inner wire (3) of self-control heat conductor Alternating current or direct current;
Transmission of electricity power supply is connect with anti-icing ice-melt power transmitting device (18), and anti-icing ice-melt power transmitting device has two-way output, is all the way transmission of electricity Power output (99) is all the way ice-melt power output (98);Transmitted power output is directly connect with outer conductor (1), and passes through the One switching circuit (19-1) is connect with inner wire (3), and ice-melt power output is connected by second switch circuit (19-2) and inner wire It connects;The one end first switch circuit (19-1) is connect with inner wire, and one end connects with anti-icing ice-melt power transmitting device transmitted power output end It connects;The one end second switch circuit (19-2) is connect with inner wire, and one end connects with anti-icing ice-melt power transmitting device ice-melt power take-off It connects;Whenever first switch circuit (19-1), second switch circuit (19-2) only there are one conducting:When normal transmission, first Switching circuit (19-1) is connected, and second switch circuit (19-2) disconnects, and when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, second opens Powered-down road (19-2) conducting, first switch circuit (19-1) disconnect;Third switching circuit (19-3) connects inner wire in receiving end And outer conductor, it is constantly on;
Control centre controls the operation of heating equipment by communication module (21):Communication module (21) connects with microprocessor (22) It connects, the control command for transmitting control centre to microprocessor, and by the data transmission of microprocessor to control centre;Micro- place Manage device connection communication module (21), icing induction module (23), first switch circuit (19-1), second switch circuit (19-2), Third switching circuit (19-3) receives communication module (21) and controls signal, to communication module transmission data, and receives icing induction Module (23) data, according to control centre's order that icing induction module data and communication module are sent, control switching circuit is logical With it is disconnected;Icing induction module (23) connects microprocessor (22), and sensed data is sent to microprocessor;
B:Receiving end heating equipment:Receiving end heating equipment is divided into the heating equipment using conventional transformer and uses anti-icing ice-melt Two kinds of the heating equipment of load transformer;
B-1, using the receiving end heating equipment of conventional transformer by the 5th switching circuit (19-5), the 6th switching circuit (19- 6), by electric microprocessor (72), by telecommunication module (71), by electric conductor icing induction module (73), steel core load transformer (62) it constitutes;The inner wire of sending end is connected with outer conductor short circuit, and is connected to transmission of electricity power supply output;Receiving end outer conductor connects To aluminum stranded conductor load transformer (61), the secondary winding of aluminum stranded conductor load transformer is connect with power load;Receiving end inner wire It is connect with the 5th switching circuit (19-5), the 6th switching circuit (19-6);5th one end switching circuit (19-5) connects inner wire, The other end connects aluminum stranded conductor load transformer (61), and the 6th one end switching circuit (19-6) connects inner wire, and the other end connects steel Core load transformer (62);Whenever the 5th switching circuit (19-5), the 6th switching circuit (19-6) only there are one conducting:Just Often when transmission of electricity, the 5th switching circuit (19-5) conducting, the 6th switching circuit (19-6) disconnects, and is carried out at the same time transmission of electricity and anti-icing ice-melt When operation, the 6th switching circuit (19-6) conducting, the 5th switching circuit (19-5) disconnects;
B-2, electricity is switched by the 5th switching circuit (19-5), the 6th using the receiving end heating equipment of anti-icing ice-melt load transformer Road (19-6), by electric microprocessor (72), by telecommunication module (71), by electric conductor icing induction module (73), anti-icing ice-melt Load transformer of transmitting electricity constitutes (63) and constitutes;Inner wire (3) and outer conductor (1) the short circuit connection of sending end, and it is connected to transmission of electricity Power supply exports;Receiving end outer conductor (1) is connected to the aluminum stranded conductor winding of anti-icing ice-melt load transformer (63), anti-icing ice-melt load (63) secondary winding of transformer is connect with power load;Receiving end inner wire (3) is opened with the 5th switching circuit (19-5), the 6th Powered-down road (19-6) connection;5th one end switching circuit (19-5) connects inner wire (3), and the other end connects anti-icing ice-melt load and becomes The aluminum stranded conductor winding of depressor (63), the 6th one end switching circuit (19-6) connect inner wire (3), and it is negative that the other end connects anti-icing ice-melt Carry the steel core winding of transformer (63);Whenever the 5th switching circuit (19-5), the 6th switching circuit (19-6) only there are one Conducting:When normal transmission, the 5th switching circuit (19-5) conducting, the 6th switching circuit (19-6) disconnect, be carried out at the same time transmission of electricity with When anti-icing ice-melt operation, the 6th switching circuit (19-6) conducting, the 5th switching circuit (19-5) disconnects;
Control centre passes through the operation by telecommunication module (71) control heating equipment:By telecommunication module (71) and by the micro- place of electricity It manages device (72) to connect, be used for the control command for being transmitted control centre by electric microprocessor, and will be by the data of electric microprocessor Send control centre to;By the connection of electric microprocessor by telecommunication module (71), by electric icing induction module (73), the 5th switch Circuit (19-5), the 6th switching circuit (19-6) receive and are controlled signal by telecommunication module (71), to by telecommunication module transfer Data, and receive by electric icing induction module (73) data, it is sent out with by telecommunication module according to by electric icing induction module data The control centre's order sent controls switching circuit through and off;It is connected by electric microprocessor (72) by electric icing induction module (73), And sensed data is sent to by electric microprocessor.
2. the self-control heat conductor and heating equipment of embedded insulating heat-conduction material as described in claim 1, it is characterised in that:It is described Anti-icing ice-melt power transmitting device (18) includes using ac transmission-AC power heating and using direct current transportation-AC power heating Two different anti-icing ice-melt power transmitting devices, when use using it is therein any one;
The anti-icing ice-melt power transmitting device of ac transmission-AC power heating:
The anti-icing ice-melt power transmitting device of ac transmission-AC power heating has plain edition ac transmission-AC power heating combined equipment With two kinds of self coupling heating combined equipment;
Plain edition ac transmission-AC power heating combined equipment is three-winding transformer;Including a first winding AB, two secondary Winding CD and DE;Two secondary windings constitute series system in junction D short circuits;Secondary winding DE is transmission of electricity winding, secondary Winding CD is ice-melt winding;
There are two types of connection types for plain edition ac transmission-AC power heating combined equipment secondary winding:Shared ice-melt winding connection side Formula and independent ice-melt winding connection;
Self coupling heating combined equipment is divided into high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment and low pressure becomes high pressure self coupling Type ac transmission-AC power heating combined equipment;
High voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment increases one on the basis of conventional auto-transformer Voltage tap, input tap indicate that voltage tap one is indicated with C with A, and voltage tap two is indicated with D, and high voltage variable low pressure self coupling is public End is indicated with E altogether;Winding between CD is ice-melt winding, and winding is transmission of electricity winding between DE;
Low pressure becomes high pressure self coupling type ac transmission-AC power heating combined equipment and increases one on the basis of conventional auto-transformer Tap, input tap indicate that high-voltage tap one is indicated with J with F, and high-voltage tap two is indicated with I, and input tap and output tap have Self coupling common end, input tap indicate that output tap indicates that the winding between IJ is known as ice-melt winding, the spaced winding of IH with H with G Group is known as transmission of electricity winding;
There are two types of connection types for high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment secondary winding:Shared ice-melt Winding connection and independent ice-melt winding connection;
Low pressure becomes high pressure self coupling type ac transmission-AC power heating combined equipment secondary winding, and there are two types of connection types:Shared ice-melt Winding connection and independent ice-melt winding connection;
Using the anti-icing ice-melt power transmitting device of direct current transportation-AC power heating:
The anti-icing ice-melt power transmitting device of direct current transportation-AC power heating is made of capacitance (39) and inductance (40);Inductance (40) One end is connect with direct current transportation rectifier short circuit, and the other end is connect with capacitance short-circuit;One end that inductance is connect with rectifier short circuit It is ice-melt power output, is connected on second switch circuit (19-2);One end that inductance is connect with capacitance short-circuit, with outer conductor (1) short circuit connection, and short circuit is connected on first switch circuit (19-1).
3. a kind of the self-control heat conductor and heating equipment of embedded insulating heat-conduction material as described in claim 1, it is characterised in that: The anti-icing ice-melt load transformer (63) is three winding transformation, respectively aluminum stranded conductor load winding (65), steel core load winding (64), by electricity output winding (66);Aluminum stranded conductor load winding (65), steel core load winding (64) are first side winding, aluminum stranded conductor Load winding (65) is connect with self-control thermal wire receiving end outer conductor, and by being led in switching circuit and self-control thermal wire receiving end Body connects, and steel core load winding (64) is connect by switching circuit with self-control thermal wire receiving end inner wire;By electricity output winding (66) it is connected with receiving end load.
4. the self-control heat conductor and heating equipment of embedded insulating heat-conduction material as claimed in claim 2, it is characterised in that:It is described In connection type that there are two types of plain edition ac transmission-AC power heating combined equipment secondary windings,
Sharing ice-melt winding connection is:
First side winding AB (25) is connect with transmission of electricity power supply, winding DE (26) and ice-melt winding CD (27) strings of transmitting electricity in secondary winding Connection, series connection point D are ice-melt power take-off, and inner wire (3) is connected to by second switch circuit (19-2);Ice-melt winding CD (27) C-terminal is transmitted power output end, and short circuit is connected to outer conductor (1), and short circuit is connected to first switch circuit (19-1), D End is connect with transmission of electricity winding DE (26) short circuits;Transmission of electricity winding DE (26) D terminal shortcircuits are connected to ice-melt winding CD (27), the connection of the ends E To ground;Ice-melt winding CD (27) realizes that ice-melt function, ice-melt winding CD (27) and transmission of electricity winding DE (26) realize transmission of electricity work(jointly Energy;
Independent ice-melt winding connection is:First side winding AB (25) is connect with transmission of electricity power supply, winding of transmitting electricity in secondary winding DE (26) and ice-melt winding CD (27) series connection, series connection point D are transmitted power output end, and short circuit is connected to outer conductor, and short circuit is even It is connected to first switch circuit (19-1);Transmission of electricity winding DE (26) ends E are connected to ground, and ice-melt winding CD (27) C-terminal is ice-melt power Output end, short circuit connection second switch circuit (19-2), the ends D are connect with transmission of electricity winding DE (26) short circuits;Ice-melt winding only undertakes Ice-melt function, transmission of electricity winding only undertake transmission of electricity function.
5. the self-control heat conductor and heating equipment of embedded insulating heat-conduction material as claimed in claim 2, it is characterised in that:It is described There are two types of connection sides for secondary winding in high voltage variable low pressure self coupling type ac transmission-AC power heating combined equipment of self coupling heating combined equipment Formula:
Shared ice-melt winding connection:
First side winding AB is connected to input power, and high voltage variable low pressure self coupling common end (32) is connected to ground;One C of voltage tap (28) it is transmitted power output end, is connect with first switch circuit (19-1) short circuit, and connect with outer conductor short circuit;Voltage tap Two D (29) are ice-melt power take-off, are connect with second switch circuit (19-2) short circuit;Ice-melt winding CD undertake ice-melt power and Transmitted power, transmission of electricity winding DE only undertake transmitted power;
Independent ice-melt winding connection:First side winding AB is connected to input power, high voltage variable low pressure self coupling common end (32) It is connected to ground;One C of voltage tap (28) is ice-melt power take-off, is connect with second switch circuit (19-2) short circuit;Low pressure is taken out First two D (29) is transmitted power output end, is connect with first switch circuit (19-1) short circuit, and connect with outer conductor short circuit;Melt Ice winding CD undertakes ice-melt power, and transmission of electricity winding DE undertakes transmitted power.
6. the self-control heat conductor and heating equipment of embedded insulating heat-conduction material as claimed in claim 2, it is characterised in that:It is described The low pressure of self coupling heating combined equipment becomes secondary winding in high pressure self coupling type ac transmission-AC power heating combined equipment, and there are two types of connection sides Formula:
Shared ice-melt winding connection:FG is connected to input power, and low pressure becomes high pressure self coupling common end G and is connected to ground;High pressure Two I of tap is ice-melt electrical power output end, is connect with second switch circuit (19-2) short circuit;One J of high-voltage tap is transmitted power Output end connect with first switch circuit (19-1) short circuit, and is connect with outer conductor short circuit;Ice-melt winding undertakes ice-melt work(simultaneously Rate and transmitted power, transmission of electricity winding undertake transmitted power;
Independent ice-melt winding connection:FG is connected to input power, and low pressure becomes high pressure self coupling common end G and is connected to ground;High pressure Two I of tap is transmission of electricity electrical power output end, is connect with first switch circuit (19-1) short circuit, and connect with outer conductor short circuit;It is high It is ice-melt power take-off to press one J of tap, is connect with second switch circuit (19-2) short circuit;Ice-melt winding undertakes ice-melt power, Transmission of electricity winding undertakes transmitted power.
7. the self-control heat conductor and heating equipment of embedded insulating heat-conduction material as described in claim 1, it is characterised in that:It is described Self-control heat conductor inner wire is single-wire, and metal material is steel wire or galvanized steel wire or aluminium clad steel wire or optical fiber built-in One kind in metal tube;The metallic cable that outer conductor is 6 or 12 or 18 or other quantity metal wire manufactures, metal material For one kind in aluminum steel or the metal tube of aluminium alloy wire or aluminium clad steel wire or optical fiber built-in.
8. a kind of realization side of self-control heat conductor and heating equipment using embedded insulating heat-conduction material as described in claim 1 Method, it is characterised in that:Anti-icing ice-melt is completed using the self-control heat conductor and heating equipment of embedded insulating heat-conduction material to work;Heating Equipment is connected to self-control heat conductor from sending end or receiving end;
Self-control heat conductor is coaxial cable structure, (1) containing outer conductor, insulating heat-conduction material (2) and inner wire (3);Insulating heat-conductive Material is that a kind of heat conduction is good, the material with insulating capacity;Insulating heat-conduction material (2) is enclosed in outside inner wire, by inner wire Periphery surrounds completely, and makes internal and external conductor completely isolated, avoids internal and external conductor short-circuit;
There are two types of heating equipments:Sending end heating equipment and receiving end heating equipment;
A, sending end heating equipment:By anti-icing ice-melt power transmitting device (18), first switch circuit (19-1), second switch circuit (19-2), third switching circuit (19-3), microprocessor (22), communication module (21), conductor icing induction module (23) are constituted; Heating equipment is added by the output of anti-icing ice-melt power transmitting device between the outer conductor (1) and inner wire (3) of self-control heat conductor Alternating current or direct current;
Transmission of electricity power supply is connect with anti-icing ice-melt power transmitting device (18), and anti-icing ice-melt power transmitting device has two-way output, is all the way transmission of electricity Power output (99) is all the way ice-melt power output (98);Transmitted power output is directly connect with outer conductor (1), and passes through the One switching circuit (19-1) is connect with inner wire (3), and ice-melt power output is connected by second switch circuit (19-2) and inner wire It connects;The one end first switch circuit (19-1) is connect with inner wire, and one end connects with anti-icing ice-melt power transmitting device transmitted power output end It connects;The one end second switch circuit (19-2) is connect with inner wire, and one end connects with anti-icing ice-melt power transmitting device ice-melt power take-off It connects;Whenever first switch circuit (19-1), second switch circuit (19-2) only there are one conducting:When normal transmission, first Switching circuit (19-1) is connected, and second switch circuit (19-2) disconnects, and when being carried out at the same time transmission of electricity with anti-icing ice-melt operation, second opens Powered-down road (19-2) conducting, first switch circuit (19-1) disconnect;Third switching circuit (19-3) connects inner wire in receiving end And outer conductor, it is constantly on;
Control centre controls the operation of heating equipment by communication module 21:Communication module (21) is connect with microprocessor (22), Control command for transmitting from control centre to microprocessor, and by the data transmission of microprocessor to control centre;Microprocessor Device connection communication module (21), icing induction module (23), first switch circuit (19-1), second switch circuit (19-2), Three switching circuits (19-3) receive communication module (21) and control signal, to communication module transmission data, and receive icing induction mould Block (23) data, according to control centre's order that icing induction module data and communication module are sent, control switching circuit it is logical with It is disconnected;Icing induction module (23) connects microprocessor (22), and sensed data is sent to microprocessor;
B:Receiving end heating equipment:Receiving end heating equipment is divided into the heating equipment using conventional transformer and uses anti-icing ice-melt Two kinds of the heating equipment of load transformer;
B-1, using the receiving end heating equipment of conventional transformer by the 5th switching circuit (19-5), the 6th switching circuit (19- 6), by electric microprocessor (72), by telecommunication module (71), by electric conductor icing induction module (73), steel core load transformer (62) it constitutes;The inner wire of sending end is connected with outer conductor short circuit, and is connected to transmission of electricity power supply output;Receiving end outer conductor connects To aluminum stranded conductor load transformer (61), the secondary winding of aluminum stranded conductor load transformer is connect with power load;Receiving end inner wire It is connect with the 5th switching circuit (19-5), the 6th switching circuit (19-6);5th one end switching circuit (19-5) connects inner wire, The other end connects aluminum stranded conductor load transformer (61), and the 6th one end switching circuit (19-6) connects inner wire, and the other end connects steel Core load transformer (62);Whenever the 5th switching circuit (19-5), the 6th switching circuit (19-6) only there are one conducting:Just Often when transmission of electricity, the 5th switching circuit (19-5) conducting, the 6th switching circuit (19-6) disconnects, and is carried out at the same time transmission of electricity and anti-icing ice-melt When operation, the 6th switching circuit (19-6) conducting, the 5th switching circuit (19-5) disconnects;
B-2, electricity is switched by the 5th switching circuit (19-5), the 6th using the receiving end heating equipment of anti-icing ice-melt load transformer Road (19-6), by electric microprocessor (72), by telecommunication module (71), by electric conductor icing induction module (73), anti-icing ice-melt Load transformer of transmitting electricity constitutes (63) and constitutes;Inner wire (3) and outer conductor (1) the short circuit connection of sending end, and it is connected to transmission of electricity Power supply exports;Receiving end outer conductor (1) is connected to the aluminum stranded conductor winding of anti-icing ice-melt load transformer (63), anti-icing ice-melt load (63) secondary winding of transformer is connect with power load;Receiving end inner wire (3) is opened with the 5th switching circuit (19-5), the 6th Powered-down road (19-6) connection;5th one end switching circuit (19-5) connects inner wire (3), and the other end connects anti-icing ice-melt load and becomes The aluminum stranded conductor winding of depressor (63), the 6th one end switching circuit (19-6) connect inner wire (3), and it is negative that the other end connects anti-icing ice-melt Carry the steel core winding of transformer (63);Whenever the 5th switching circuit (19-5), the 6th switching circuit (19-6) only there are one Conducting:When normal transmission, the 5th switching circuit (19-5) conducting, the 6th switching circuit (19-6) disconnect, be carried out at the same time transmission of electricity with When anti-icing ice-melt operation, the 6th switching circuit (19-6) conducting, the 5th switching circuit (19-5) disconnects;
Control centre passes through the operation by telecommunication module (71) control heating equipment:By telecommunication module (71) and by the micro- place of electricity It manages device (72) to connect, be used for the control command for being transmitted control centre by electric microprocessor, and will be by the data of electric microprocessor Send control centre to;By the connection of electric microprocessor by telecommunication module (71), by electric icing induction module (73), the 5th switch Circuit (19-5), the 6th switching circuit (19-6) receive and are controlled signal by telecommunication module (71), to by telecommunication module transfer Data, and receive by electric icing induction module (73) data, it is sent out with by telecommunication module according to by electric icing induction module data The control centre's order sent controls switching circuit through and off;It is connected by electric microprocessor (72) by electric icing induction module (73), And sensed data is sent to by electric microprocessor.
9. the implementation method of the self-control heat conductor and heating equipment of a kind of embedded insulating heat-conduction material as claimed in claim 8, It is characterized in that:The control program of microprocessor is in sending end heating equipment:
The first step:Third switching circuit short circuit;Control centre's order is received by communication module;
Second step:Analysis and Control central command, if start to heatIt is, into the 7th step;It is no, it is walked into third;
Third walks:Analysis and Control central command, if terminate heatingIt is, into the 6th step;It is no, into the 4th step;
4th step:Analysis and Control central command, if incude template contral switching circuit by freezingIt is, into the 5th step;It is no, Into the first step;
5th step:Judge that icing induction module has discovered whether iceWithout ice:Into the 6th step;There is ice, into the 7th step;
6th step:First switch short circuit;Second switch open circuit, into the first step;
7th step:Second switch short circuit;First switch open circuit, into the first step.
10. the implementation method of the self-control heat conductor and heating equipment of a kind of embedded insulating heat-conduction material as claimed in claim 8, It is characterized in that:The control program of microprocessor is in receiving end heating equipment:
The first step:Control centre's order is received by communication module;
Second step:Analysis and Control central command, if start ice-meltIt is, into the 7th step;It is no, it is walked into third;
Third walks:Analysis and Control central command, if terminate ice-meltIt is, into the 6th step;It is no, into the 4th step;
4th step:Analysis and Control central command, if incude template contral switching circuit by freezingIt is, into the 5th step;It is no, Into the first step;
5th step:Judge that icing induction module has discovered whether iceWithout ice:Into the 6th step;There is ice, into the 7th step;
6th step:The short circuit of 5th switching circuit;6th switching circuit is opened a way, into the first step;
7th step:The short circuit of 6th switching circuit;5th switching circuit is opened a way, into the first step.
CN201810370549.8A 2018-04-23 2018-04-23 The self-control heat conductor and heating equipment and its implementation of embedded insulating heat-conduction material Pending CN108366442A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108695806A (en) * 2018-08-24 2018-10-23 四川大学 Embedded heating material is from ice-melt conducting wire anti-icing control method online
CN109103806A (en) * 2018-08-24 2018-12-28 四川大学 Insulating materials is embedded in from ice-melt conducting wire anti-icing control method online
CN109119931A (en) * 2018-08-06 2019-01-01 四川大学 Transmission line of electricity anti-icing ice-melt heat Calculation method online based on self-control thermal wire
CN109149493A (en) * 2018-10-12 2019-01-04 四川大学 Processed thermal control equipment and control method of the multiply insulation from heating aerial earth wire
CN109347041A (en) * 2018-12-06 2019-02-15 四川大学 Lossless three-phase current divider and design and control method between line
CN110336235A (en) * 2019-05-09 2019-10-15 国网湖南省电力有限公司 Based on the ac transmission DC ice melting equipment from ice-melt conductor
CN111009869A (en) * 2019-11-25 2020-04-14 国网湖南省电力有限公司 Real-time online ice melting equipment for transmission conductor and control method thereof
WO2021088513A1 (en) * 2019-11-08 2021-05-14 四川大学 Intelligent ice melting device based on self-heating wire and ice melting method thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109119931A (en) * 2018-08-06 2019-01-01 四川大学 Transmission line of electricity anti-icing ice-melt heat Calculation method online based on self-control thermal wire
CN109119931B (en) * 2018-08-06 2020-01-24 四川大学 Power transmission line online anti-icing and de-icing heat quantity calculation method based on self-made thermal conductor
CN108695806B (en) * 2018-08-24 2020-01-03 四川大学 Online anti-icing control method for self-melting ice wire embedded with heating material
CN109103806A (en) * 2018-08-24 2018-12-28 四川大学 Insulating materials is embedded in from ice-melt conducting wire anti-icing control method online
CN109103806B (en) * 2018-08-24 2020-01-24 四川大学 Online anti-icing control method for self-melting ice wire embedded with insulating material
CN108695806A (en) * 2018-08-24 2018-10-23 四川大学 Embedded heating material is from ice-melt conducting wire anti-icing control method online
CN109149493A (en) * 2018-10-12 2019-01-04 四川大学 Processed thermal control equipment and control method of the multiply insulation from heating aerial earth wire
CN109149493B (en) * 2018-10-12 2020-01-31 四川大学 Heating control equipment and control method for multi-strand insulation self-heating overhead ground wire
CN109347041A (en) * 2018-12-06 2019-02-15 四川大学 Lossless three-phase current divider and design and control method between line
CN109347041B (en) * 2018-12-06 2020-01-24 四川大学 Interline lossless three-phase current divider and design and control method
CN110336235A (en) * 2019-05-09 2019-10-15 国网湖南省电力有限公司 Based on the ac transmission DC ice melting equipment from ice-melt conductor
WO2021088513A1 (en) * 2019-11-08 2021-05-14 四川大学 Intelligent ice melting device based on self-heating wire and ice melting method thereof
CN111009869A (en) * 2019-11-25 2020-04-14 国网湖南省电力有限公司 Real-time online ice melting equipment for transmission conductor and control method thereof

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