CN106304436A - A kind of from ice-melt conductor and ice-melting device thereof - Google Patents
A kind of from ice-melt conductor and ice-melting device thereof Download PDFInfo
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- CN106304436A CN106304436A CN201610867150.1A CN201610867150A CN106304436A CN 106304436 A CN106304436 A CN 106304436A CN 201610867150 A CN201610867150 A CN 201610867150A CN 106304436 A CN106304436 A CN 106304436A
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- conductor
- ice
- melt
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- circuit
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
Abstract
The invention discloses a kind of from ice-melt conductor and ice-melting device thereof.Using this body structure of conductor as the method for heating power supply conductor, use coaxial cable form from ice-melt conductor, including outer conductor, heating material and inner wire, ice-melting device is directly connected in the inner and outer conductor of ice-melt conductor.Heating material is the exothermic material of positive temperature coefficient effect, is placed between inner and outer conductor, and internal and external conductor is completely isolated.Automatic defrosting equipment is made up of transformator, on-off circuit, microprocessor, communication module, icing induction module.Microprocessor connects communication module, icing induction module and on-off circuit, receives communication module control signal, transmits data to communication module, and receives icing induction module data, and control centre controls the operation of automatic defrosting equipment by communication module.The present invention heart in the controlling implements ice-melt under controlling, and can avoid needing the situation of power-off and circuit catastrophe failure, existing de-icing technology is greatly improved during to high voltage transmission line ice-melt.
Description
(1) technical field
The present invention relates to wire de-icing technology field, specifically a kind of from ice-melt conductor and ice-melting device thereof.
(2) background technology
Along with socioeconomic development, the demand of the circuit such as State Grid, communication is continuously increased, and is being continuously increased power load
In the environment of lotus application, the requirement to exposed circuit, particularly power circuit is the highest.And in cold winter,
The circuit in many areas all can freeze, and causes the damage of circuit.When icing exceedes the holding capacity of circuit, it also occur that broken string etc.
Major accident.So, the power circuit in winter or the deicing of All other routes are essential, highly important.
Existing being required for from ice-melt wire adds the material that can be heated by power supply, when using heating material, heats material
Material needs special wire and is connected to heating power supply.Additionally, due to existing needing from ice-melt wire is connected with heating power supply
Special wire, cause existing from ice-melt wire segmentation time very inconvenient.
" the new type low temperature infrared heating automatic de-icing lightning conducter " of Application No. CN201210395025.7 is new by one
Type can produce the auxiliary heating wires that the conductive polyester fiber of low temperature infrared heat energy makes and combine with common lightning conducter, and cuts with scissors
Twine the central authorities in steel hinge line.Being loaded into by accessory power supply in this auxiliary heating wires, it is red that auxiliary heating wires just produces low temperature
Outside line heat energy, makes steel hinge line temperature raise, and reaches to prevent or automatically except the purpose of icing.But the wire that the method makes, makes
Used time is not easy to random length segmentation, and the conductor of the heating power supply of heating use is heating conductors dedicated, bad maintenance.Application
" the deicing carbon fiber high-low pressure aerial cable " of number CN201510400177.5, deicing carbon fiber high-low pressure aerial cable, including
High tension cable, high tension cable is made up of the insulating barrier of internal high-voltage cable and surface, and the surface of insulating layer of high tension cable sets
Put carbon fiber heating line.By high tension cable surface configuration can the carbon fiber heating line of heating power, utilize carbon fiber by electricity
Can be converted to heat, thus ensure high tension cable severe cold area or in winter properly functioning.But the wire that the method makes,
It is not easy to random length segmentation the most in use, and the conductor of the heating power supply of heating use is heating conductors dedicated, bad
Safeguard.
(3) summary of the invention
The purpose of the present invention, is for the deficiencies in the prior art, and design one uses this body structure of conductor as adding thermoelectricity
Source conductor from ice-melt wire, design the automatic defrosting equipment being connected on ice-melt wire simultaneously, be automatically performed conductor line
Ice-melt work.The heating power supply wire of the present invention can arbitrarily be split, it is simple to safeguards.
It is an object of the invention to so to reach:
It is a kind of from ice-melt conductor and ice-melting device thereof, it is characterised in that: use the part of this body structure of conductor as adding
Thermal element from ice-melt conductor, ice-melting device is directly connected on the inner wire from ice-melt conductor, outer conductor.
Coaxial cable form is used, including outer conductor, heating material, inner wire from ice-melt conductor.Inner wire is cylindric
Metal, heating material is the exothermic material of positive temperature coefficient effect, and heating material is enclosed in outside inner wire, by inner wire periphery
Surround completely so that internal and external conductor is completely isolated, it is to avoid internal and external conductor short circuit.Heating material inner surface and inner wire outer surface are complete
Full connected, heating material outer surface and outer conductor inner surface completely attach to.Outer conductor is enclosed in outside heating material.
Inner wire be single-wire or metallic cable or the metal tube of optical fiber built-in or single alloy wire or
Alloy twisted wire.Outer conductor is metal tube or compo pipe or metallic cable or alloy twisted wire.
Automatic defrosting equipment is made up of transformator, on-off circuit, microprocessor, communication module, icing induction module.Micro-place
Reason device connects communication module, icing induction module and on-off circuit, receives communication module control signal, transmits number to communication module
According to, and receiving icing induction module data, control command, microprocessor responds control centre are transmitted to microprocessor in control centre
Order and control the operation of automatic defrosting equipment.
From ice-melt conductor when being used as non-power transmission line, automatic defrosting equipment is provided with two on-off circuits.
The two ends of power supply are connected to a winding of transformator, and transformer secondary winding connects two on-off circuits, one
One end of on-off circuit two ends connection transformer Secondary Winding respectively and the inner wire from ice-melt conductor, another on-off circuit two
The other end of end connection transformer Secondary Winding respectively and the outer conductor from ice-melt conductor.Two on-off circuit on off states are by micro-
Processor controls.It is connected respectively to two on-off circuits from inner wire and the outer conductor of ice-melt conductor.
From ice-melt conductor when being used as overhead transmission line conductor, automatic defrosting equipment arranges an on-off circuit, from ice-melt
The inner wire of conductor is connected to one end of on-off circuit, from the outer conductor of ice-melt conductor and overhead transmission line system transformer station
Out-put supply connects.In automatic defrosting equipment, connect respectively with overhead transmission line earth system from the outer conductor of ice-melt conductor
Receive winding two ends of transformator.Transformer secondary winding two ends connecting valve circuit respectively and overhead transmission line ground linear system
System.One end of on-off circuit two ends connection transformer Secondary Winding respectively and the inner wire from ice-melt conductor.On-off circuit accepts
Microprocessor controls.
When ice-melt conductor is used as overhead transmission line ground wire, automatic defrosting equipment arranges on-off circuit, from ice-melt conductor
Inner wire be connected to one end of on-off circuit, be connected with the earth system of overhead transmission line from the outer conductor of ice-melt conductor.
In automatic defrosting equipment, it is connected respectively to winding of transformator from the outer conductor of ice-melt conductor and overhead transmission line conductor
Two ends, when overhead transmission line conductor use the present invention from ice-melt conductor time, winding connects built on stilts power line conductive body
Outer conductor.Transformer secondary winding two ends connecting valve circuit and the outer conductor from ice-melt conductor respectively；On-off circuit two ends
One end of difference connection transformer Secondary Winding and the inner wire from ice-melt conductor.On-off circuit accepts microprocessor control.
When inner wire is single-wire, single-wire is single steel wire or single galvanized steel wire or single aluminum Baogang core
One in the metal tube of line or single optical fiber built-in；Outer conductor is 6 or 18 metallic cables, and metallic cable is 6 or 18
One in aluminum steel twisted wire, aluminium alloy stranded conductor, aluminum Baogang core twisted wire.
When inner wire or outer conductor are metallic cable or alloy twisted wire, in metallic cable or alloy twisted wire one or many
Stock is substituted by the metal tube of optical fiber built-in.
When inner wire is metallic cable, metallic cable is 7 steel wire twisted wires, galvanized steel wire, aluminium clad steel wire, optical fiber built-ins
Metal tube in one；Outer conductor is 12 or 24 aluminum steel twisted wires, aluminium alloy stranded conductor, aluminum Baogang core twisted wires, optical fiber built-in
Metal tube in one.
In addition to the selection of above-mentioned inner wire and outer conductor, inner wire can be based on National Standard of the People's Republic of China's aluminum
The aluminum stranded conductor of the regulation design of twisted wire and reinforcing bar aluminum stranded conductor GB1179 or the interior circle wire of reinforcing bar aluminum stranded conductor, or from interior to
Outward, the wire in addition to outermost one encloses wire.Outer conductor can be based on National Standard of the People's Republic of China's aluminum stranded conductor and reinforcing bar
The aluminum stranded conductor of the regulation design of aluminum stranded conductor GB1179 or all wires in addition to inner wire of reinforcing bar aluminum stranded conductor.Inner wire is with outer
Conductor can select steel wire twisted wire, galvanized steel wire, aluminium clad steel wire, the metal tube of optical fiber built-in, aluminum steel twisted wire, aluminium alloy to twist
The one of line.The metal tube of optical fiber built-in can be selected for one in twisted wire or several strands.
The metal tube of optical fiber built-in is to be made up of protection metal tube, protection implant and n root optical fiber, and protection metal tube exists
Outward, n root optical fiber is placed in the inside, is full of protection implant between optical fiber and protection metal tube.
When being used as non-transmission system from ice-melt conductor, a winding input voltage of transformator is supply voltage, secondary around
Group output voltage is heating material running voltage；When being used as overhead transmission line conductor from ice-melt conductor, transformator is once
Winding input voltage is transmission line of electricity conductor voltage, and the output voltage of Secondary Winding is that transmission line of electricity conductor voltage deducts heating material
Material running voltage, or transmission line of electricity conductor voltage is plus heating material running voltage；When being used as overhead power transmission from ice-melt conductor
During line grounding wire, a winding input voltage of transformator is transmission line of electricity conductor voltage, and the output voltage of Secondary Winding is for adding
Hot material running voltage.
The distribution in coaxial cable of the heating material in ice-melt conductor uses Disjunct distribution, the heating between Disjunct distribution
Storeroom insulant is filled, adjacent heating material and insulant compact siro spinning technology, middle seamless.
The control program of described microprocessor is:
The first step: receive control centre's order by communication module；
Second step: analysis and Control central command, if start ice-melt？It is to enter the 7th step；No, enter the 3rd step；
3rd step: analysis and Control central command, if terminate ice-melt？It is to enter the 6th step；No, enter the 4th step；
4th step: analysis and Control central command, if controlled on-off circuit by icing induction module？It is to enter the 5th step；
No, enter the first step；
5th step: judge that icing induction module has discovered whether ice？Without ice: enter the 6th step；There is ice, enter the 7th step；
6th step: disconnect on-off circuit, enters the first step.
7th step: ON switch circuit, enters the first step.
The positive effect of the present invention is:
1 uses the technology of the present invention, can implement ice-melt when high voltage transmission line works, it is to avoid existing de-icing technology needs power-off
Situation, beneficially high voltage transmission line reliably working.
2 can control lower ice-melt by the heart in the controlling, it is also possible to judge that power transmission line freezes and automatic defrosting, it is possible to judging height
Pressure overhead transmission line heats and avoids freezing when will freeze.
3 use this method, and high voltage transmission line does not have ice and exists, it is to avoid the brandishing of high voltage transmission line, stops
The major accidents such as the high voltage transmission line broken string caused because freezing.
(4) accompanying drawing explanation
Fig. 1 be the present invention from ice-melt conductor structure schematic diagram.
Fig. 2 be the present invention from ice-melt conductor structural representation.
Fig. 3 be inner wire be solid conductor, outer conductor be 6 metallic cables from ice-melt conductor structure schematic diagram.
Fig. 4 be inner wire be solid conductor, outer conductor be 18 metallic cables from ice-melt conductor structure schematic diagram.
Fig. 5 be inner wire be 7 metallic cables, outer conductor be 12 metallic cables from ice-melt conductor structure schematic diagram.
Fig. 6 be inner wire be 7 metallic cables, outer conductor be 24 metallic cables from ice-melt conductor structure schematic diagram
Fig. 7 is embedded into the metal pipe structure schematic diagram of optical fiber.
Fig. 8 is heating material continuous distribution schematic diagram in ice-melt conductor.
Fig. 9 is heating material Disjunct distribution schematic diagram in ice-melt conductor.
Figure 10 is automatic defrosting device structure connection diagram when ice-melt conductor is used as non-power transmission line.
Figure 11 is automatic defrosting device structure connection diagram when ice-melt conductor is used as overhead transmission line conductor.
Figure 12 is automatic defrosting device structure connection diagram when ice-melt conductor is used as overhead transmission line ground wire.
Figure 13 is switching circuit structure schematic diagram.
Figure 14 is microcontroller circuit figure.
Figure 15 is microprocessor RS232 interface principle figure.
Figure 16 is five volts and turns dog days' power-switching circuit figure.
Figure 17 is that dog days turn power-switching circuit figure second of the three ten-day periods of the hot season.
Figure 18 is jtag circuit figure.
Figure 19 is microprocessor control flow chart.
In figure, 1 outer conductor, 2 heating materials, 3 inner wires, 4-1,4-2,4-3,4-4,4-5,4-6 are 6 gold of outer conductor
Belong to twisted wire, 5-1,5-2,5-3,5-4,5-5,5-6 are 6 metallic cables of outer conductor inner ring, 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 metallic cables of outer conductor outer ring, and 7 is the gold of inner wire the inside
Belong to wire, 6 metallic cables of 8-1,8-2,8-3,8-4,8-5,8-6 inner wire outer ring, 9-1,9-2,9-3,9-4,9-5,9-
6,9-7,9-8,9-9,9-10,9-11,9-12 are 12 metallic cables of outer conductor, 10-1,10-2,10-3,10-4,10-5,
9 metallic cables of 10-6,10-7,10-8,10-9 outer conductor inner ring, 11-1,11-2,11-3,11-4,11-5,11-6,11-
7,11-8,11-9,11-10,11-11,11-12,11-13,11-14,11-15 are 15 metallic cables of outer conductor outer ring, 12
For protection metal tube, 13 protection implants, 14-1,14-2,14-3,14-n-1,14-n optical fiber, 15-1,15-2,15-3,15-4
For the heating material of Disjunct distribution, 16-1,16-2,16-3,16-4 are the insulant of Disjunct distribution, 17 power supplys, 18 transformators,
19-1,19-2,19-3,19-4 on-off circuit, 20 from ice-melt conductor, 21 communication modules, 22 microprocessors, and 23 freeze senses mould
Block, 24 control centres, 25 overhead transmission line ground wires, 26 overhead transmission line conductors.
(5) detailed description of the invention
See accompanying drawing 1-7.
Present invention uses use this body structure of conductor a part as heating element heater from ice-melt conductor 20, ice-melt sets
For being directly connected on the inner wire 3 of ice-melt conductor 20, outer conductor 1.
Coaxial cable form is used, including outer conductor 1, heating material 2, inner wire 3 from ice-melt conductor 20.Inner wire is circle
Cylindrical metal, heating material is the exothermic material of positive temperature coefficient effect, and heating material 2 is enclosed in outside inner wire 3, leads interior
External week surrounds completely so that internal and external conductor is completely isolated, it is to avoid internal and external conductor short circuit.Outside heating material inner surface and inner wire
Surface completely attaches to, and heating material outer surface and outer conductor inner surface completely attach to；Outer conductor is enclosed in outside heating material.When
Plus alternating current or unidirectional current between inner wire and outer conductor, heating material converts electrical energy into heat energy so that conductor temperature liter
Height, the ice heating and melting outside conductor.Voltage needed for heating material heating, referred to as heating material running voltage.
Heating material selects the cross-linking radiation PTC semi-conducting material that Wuhu Jia Hong new material company limited produces.Heating material
Material running voltage is AC 220 V.
Inner wire 1 be single-wire or metallic cable or the metal tube of optical fiber built-in or single alloy wire or
Alloy twisted wire；Outer conductor 3 is metal tube or compo pipe or metallic cable or alloy twisted wire.
When inner wire is solid conductor, conductor material is metal or alloy or the metal tube of optical fiber built-in, can have
There is antiseptic power, it is also possible to not there is antiseptic power.Inner wire can also be metallic cable, and twisted wire is metal or alloy, can
To have antiseptic power, it is also possible to do not have antiseptic power.The ingredient of twisted wire can contain one or more optical fiber built-in
Metal tube.
Outer conductor is to be enclosed in the metal or alloy outside heating material, can be metal tube or compo pipe, it is also possible to
It is metallic cable or alloy twisted wire.Metal and alloy can have antiseptic power, it is also possible to do not have antiseptic power.Twisted wire
Ingredient can be containing the metal tube of one or more optical fiber built-in.
Inner wire designs according to the regulation of National Standard of the People's Republic of China's aluminum stranded conductor and reinforcing bar aluminum stranded conductor GB1179
Aluminum stranded conductor or the interior circle wire of reinforcing bar aluminum stranded conductor, or from inside to outside, the wire in addition to outermost one encloses wire.If there being 3 circles
Wire, and it is called first lap from inside to outside, the second circle, the 3rd circle.Then inner wire can be first lap, it is also possible to be first
Circle and the second circle.If there being 4 circle wires, and it is called first lap from inside to outside, the second circle, the 3rd circle, the 4th circle.Interior lead
Body can be first lap, it is also possible to be first lap and the second circle, it is also possible to be that first lap second encloses and the 3rd circle.If there being 5 circles
Wire, and it is called first lap from inside to outside, the second circle, the 3rd circle, the 4th circle, the 5th circle.Then inner wire can be first
Circle, it is also possible to be first lap and the second circle, it is also possible to be that first lap second encloses the 3rd circle the 4th circle.
Outer conductor designs according to the regulation of National Standard of the People's Republic of China's aluminum stranded conductor and reinforcing bar aluminum stranded conductor GB1179
Aluminum stranded conductor or all wires in addition to inner wire of reinforcing bar aluminum stranded conductor.
Inner wire be single-wire when ice-melt conductor structure, single-wire is single steel wire or single galvanized steel
One in the metal tube of line or single aluminium clad steel wire or single optical fiber built-in；Outer conductor is 6 or 18 metallic cables, gold
Belonging to twisted wire is the one in 6 or 18 aluminum steel twisted wires, aluminium alloy stranded conductor, aluminum Baogang core twisted wire.As it is shown on figure 3, outer conductor is 6
Metallic cable.In figure, 4-1,4-2,4-3,4-4,4-5,4-6 are 6 metallic cables of outer conductor.As shown in Figure 4, outer conductor is
18 metallic cables, wherein, outer conductor is divided into 2 circle arrangements, and 5-1,5-2,5-3,5-4,5-5,5-6 are 6 of outer conductor inner ring
Metallic cable, 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 of outer conductor outer ring
Metallic cable.
When inner wire is metallic cable, metallic cable is 7 steel wire twisted wires, galvanized steel wire, aluminium clad steel wire, optical fiber built-ins
Metal tube in one.Fig. 5 be inner wire be 7 metallic cables, outer conductor be 12 metallic cables from ice-melt conductor tie
Structure schematic diagram.Inner wire is divided into 2 circles, and 7 is the plain conductor of inner wire the inside, leads in 8-1,8-2,8-3,8-4,8-5,8-6
6 metallic cables of external circle.9-1,9-2,9-3,9-4,9-5,9-6,9-7,9-8,9-9,9-10,9-11,9-12 are for lead outward
12 metallic cables of body.
Fig. 6 be inner wire be 7 metallic cables, outer conductor be 24 metallic cables from ice-melt conductor structure schematic diagram.
Inner wire is divided into 2 circles, and 7 is the plain conductor of inner wire the inside, the 6 of 8-1,8-2,8-3,8-4,8-5,8-6 inner wire outer ring
Root metallic cable.Outer conductor is also classified into 2 circles, 10-1,10-2,10-3,10-4,10-5,10-6,10-7,10-8,10-9 outer conductor
9 metallic cables of inner ring, 11-1,11-2,11-3,11-4,11-5,11-6,11-7,11-8,11-9,11-10,11-11,
11-12,11-13,11-14,11-15 are 15 metallic cables of outer conductor outer ring.
See Fig. 7, the metal pipe structure schematic diagram of optical fiber built-in.The metal tube of optical fiber built-in be by protection metal tube 12,
Protection implant 13 and optical fiber 14-1,14-2,14-3,14-n-1,14-n are constituted, and outside, n root is placed in the inside to protection metal tube 12
Optical fiber, is full of protection implant 13 between optical fiber and protection metal tube.
See Fig. 8, Fig. 9.
In ice-melt conductor, heating material can be with continuous distribution, it is also possible to Disjunct distribution.Heating material continuous distribution is illustrated
Figure is such as
Fig. 8.Heating material Disjunct distribution such as Fig. 9 in ice-melt conductor.
The distribution in coaxial cable of the heating material 2 in ice-melt conductor 20 uses Disjunct distribution, between Disjunct distribution
Heating material 15-1, uses insulant 16-1 between 15-2,15-3,15-4,16-2,16-3,16-4 fill, adjacent heating material with
Insulant compact siro spinning technology, middle seamless.The heating material of Disjunct distribution is in a tubular form.In figure, example is four sections.Actual basis
Quantity is needed arbitrarily to be interrupted.The insulant of Disjunct distribution, in a tubular form.In figure, example is four sections.Reality counts as required
Amount can be fewer than heating material hop count one section, equal, or many one section.Insulant can be fluoropolymer insulation, also
Can be other insulant.
See Figure 10-12.
Automatic defrosting equipment is by transformator 18, on-off circuit, microprocessor 22, communication module 21, icing induction module 23
Constituting, microprocessor connects communication module, icing induction module and on-off circuit, receives communication module control signal, to communication
Module transfer data, and receive icing induction module data, control centre controls life by communication module to microprocessor transmission
Order, the order of microprocessor responds control centre also controls the operation of automatic defrosting equipment.Non-defeated according to being used as from ice-melt conductor
Electric wire, be used as overhead transmission line conductor, difference when being used as overhead transmission line ground wire, automatic defrosting equipment is connected to from ice-melt
The annexation of conductor and on-off circuit, transformator be designed with difference.
From ice-melt conductor when being used as non-power transmission line, automatic defrosting equipment is provided with two on-off circuits 19-1,19-2；Power supply
Two ends be connected to a winding of transformator 18, transformer secondary winding connects two on-off circuits 19-1,19-2, switch electricity
One end of 19-2 two ends, road connection transformer Secondary Winding respectively and the inner wire from ice-melt conductor, on-off circuit 19-1 divides at two ends
The other end of other connection transformer Secondary Winding and the outer conductor from ice-melt conductor；Two on-off circuits 19-1,19-2 switch shape
State is controlled by microprocessor 22；It is connected respectively to on-off circuit 19-2 and 19-from inner wire 3 and the outer conductor 1 of ice-melt conductor 20
1。
Control centre controls the operation of automatic defrosting equipment by communication module.Communication module is connected with microprocessor, uses
In transmitting the control command of control centre to microprocessor, and send the data of microprocessor to control centre.Microprocessor
Connect communication module, icing induction module, two on-off circuits, receive communication module control signal, transmit number to communication module
According to, and receive icing induction module data.The control centre's order sent with communication module according to icing induction module data, control
On-off circuit through and off processed.Icing induction module connects microprocessor, and sensed data is sent to microprocessor.
From ice-melt conductor when being used as overhead transmission line conductor, automatic defrosting equipment arranges on-off circuit 19-3, from ice-melt
The inner wire 3 of conductor is connected to one end of on-off circuit 19-3, from the outer conductor 1 of ice-melt conductor and overhead power transmission system transformer station
Out-put supply connect；In automatic defrosting equipment, from the outer conductor 1 of ice-melt conductor with overhead transmission line earth system respectively
It is connected to 18 winding two ends of transformator；Transformator 18 Secondary Winding two ends connecting valve circuit 19-3 respectively and built on stilts transmission
Line grounding wire system；One end of on-off circuit 19-3 two ends connection transformer 18 Secondary Winding respectively and leading in ice-melt conductor
Body 3；On-off circuit accepts microprocessor control.
Control centre controls the operation of automatic defrosting equipment by communication module.Communication module is connected with microprocessor, uses
In transmitting the control command of control centre to microprocessor, and send the data of microprocessor to control centre.Microprocessor
Connect communication module, icing induction module, on-off circuit, receive communication module control signal, transmit data to communication module, and
Receive icing induction module data.The control centre's order sent with communication module according to icing induction module data, controls out
Close circuit through and off.Icing induction module connects microprocessor, and sensed data is sent to microprocessor.
When ice-melt conductor is used as overhead transmission line ground wire, automatic defrosting equipment arranges on-off circuit 19-4, from ice-melt
The inner wire 3 of conductor is connected to one end of on-off circuit 19-4, from the ground wire of the outer conductor 1 of ice-melt conductor with overhead transmission line
System connects；In automatic defrosting equipment, it is connected respectively to become from outer conductor 1 and the overhead transmission line conductor 26 of ice-melt conductor
18 winding two ends of depressor, when overhead transmission line conductor use the present invention from ice-melt conductor time, a winding link
The outer conductor of empty transmission line of electricity conductor 26；Connecting valve circuit 19-4 is distinguished and from ice-melt conductor in transformator 18 Secondary Winding two ends
Outer conductor 1；One end of on-off circuit 19-4 two ends connection transformer 18 Secondary Winding respectively and the inner wire from ice-melt conductor
3；On-off circuit accepts microprocessor control.
Control centre controls the operation of automatic defrosting equipment by communication module.Communication module is connected with microprocessor, uses
In transmitting the control command of control centre to microprocessor, and send the data of microprocessor to control centre.Microprocessor
Connect communication module, icing induction module, on-off circuit, receive communication module control signal, transmit data to communication module, and
Receive icing induction module data.The control centre's order sent with communication module according to icing induction module data, controls out
Close circuit through and off.Icing induction module connects microprocessor, and sensed data is sent to microprocessor.
When being used as non-transmission system from ice-melt conductor, a winding input voltage of transformator 18 is supply voltage, secondary
Winding output voltage is heating material running voltage；When from ice-melt conductor with overhead transmission line conductor time, the one of transformator 18
Secondary winding input voltage is transmission line of electricity conductor voltage, and the output voltage of Secondary Winding is that transmission line of electricity conductor voltage deducts heating
Material running voltage, or transmission line of electricity conductor voltage is plus heating material running voltage；Built on stilts defeated when being used as from ice-melt conductor
During electric line ground wire, a winding input voltage of transformator 18 is transmission line of electricity conductor voltage, the output voltage of Secondary Winding
For heating material running voltage.
See accompanying drawing 13-18.
Figure 13 on-off circuit, KT is Omron Corp of Japan, LY1-J, UT1: produce for Toshiba Corp, TLP521.
QT4 is U.S. Fairchild Semiconductor Corporation company: SS9013,
QT1 is U.S. Fairchild Semiconductor Corporation company: IN4148.
Switch port A connection transformer, switch port B connects the inner wire from ice-melt conductor or outer conductor.
RELAYIN1 connects microcontroller circuit network of the same name.
In the present embodiment, micro-process uses U11:MSP430F5438 as shown in figure 14: single-chip microcomputer, U.S. TEXAS
INSTRUMENTS company produces.Microprocessor RS232 interface principle figure such as Figure 15.In figure, U8:MAX232:RS232 interface core
Sheet, maxim company of the U.S. produces.
Five volts turn dog days' power-switching circuit and see Figure 16, are that dog days turn power-switching circuit second of the three ten-day periods of the hot season and see Figure 17, jtag circuit
Figure is shown in Figure 18.In figure, UP18:LM26400Y: power conversion chip, raw by NATIONAL SEMICONDUCTOTR company of the U.S.
Produce.
The communication module of the present invention can be fiber optic telecommunications module, it is also possible to be to be wirelessly transferred communication module.The present embodiment
Employing is wirelessly transferred communication module: Beijing Jie Mai communication apparatus company limited produces: G300 type GSM digital transmission module.G300 type GSM
Digital transmission module interface is connected with microprocessor RS232 interface.
The GD-FB power delivery circuit icing that icing induction module uses Wuhan state electricity Long March power equipment company limited to produce exists
Line monitoring system.Monitoring data give microprocessor.
In the present invention, control centre controls the operation of automatic defrosting equipment by communication module.Communication module and micro-process
Device connects, and for transmitting the control command of control centre to microprocessor, and sends the data of microprocessor to control centre.
The control program of microprocessor is:
The first step: receive control centre's order by communication module；
Second step: analysis and Control central command, if start ice-melt？It is to enter the 7th step；No, enter the 3rd step；
3rd step: analysis and Control central command, if terminate ice-melt？It is to enter the 6th step；No, enter the 4th step；
4th step: analysis and Control central command, if controlled on-off circuit by icing induction module？It is to enter the 5th step；
No, enter the first step；
5th step: judge that icing induction module has discovered whether ice？Without ice: enter the 6th step；There is ice, enter the 7th step；
6th step: disconnect on-off circuit, enters the first step；
7th step: ON switch circuit, enters the first step.
Claims (10)
1. one kind from ice-melt conductor and ice-melting device thereof, it is characterised in that: use the part of this body structure of conductor as heating
Element from ice-melt conductor (20), ice-melting device is directly connected on the inner wire (3) from ice-melt conductor (20), outer conductor (1)；
Coaxial cable form is used, including outer conductor (1), heating material (2), inner wire (3) from ice-melt conductor (20)；Inner wire
For cylindrical metal, heating material is the exothermic material of positive temperature coefficient effect, and heating material (2) is enclosed in inner wire (3) outward
Limit, surrounds completely by inner wire periphery so that internal and external conductor is completely isolated, it is to avoid internal and external conductor short circuit；Heating material inner surface
Completely attaching to inner wire outer surface, heating material outer surface and outer conductor inner surface completely attach to；Outer conductor is enclosed in heating
Material outer edges；
Inner wire is single-wire or metallic cable or the metal tube of optical fiber built-in or single alloy wire or alloy
Twisted wire；Outer conductor is metal tube or compo pipe or metallic cable or alloy twisted wire；
Automatic defrosting equipment is by transformator (18), on-off circuit, microprocessor (22), communication module (21), icing induction module
(23) constituting, microprocessor connects communication module, icing induction module and on-off circuit, receives communication module control signal, to
Communication module transmission data, and receive icing induction module data, control centre controls to pass to microprocessor by communication module
Defeated control command, the order of microprocessor responds control centre also controls the operation of automatic defrosting equipment.
2. as claimed in claim 1 from ice-melt conductor and ice-melting device thereof, it is characterised in that: described it is being used as from ice-melt conductor
During non-power transmission line, automatic defrosting equipment is provided with two on-off circuits (19-1,19-2)；The two ends of power supply are connected to transformator (18)
A winding, transformer secondary winding connect two on-off circuits (19-1,19-2), on-off circuit (19-2) two ends connect respectively
Connect one end of transformer secondary winding and the inner wire from ice-melt conductor, on-off circuit (19-1) two ends connection transformer two respectively
The other end of secondary winding and the outer conductor from ice-melt conductor；Two on-off circuit (19-1,19-2) on off states are by microprocessor
(22) control；Inner wire (3) and outer conductor (1) from ice-melt conductor (20) are connected respectively to on-off circuit (19-2) and (19-
1)；
Described from ice-melt conductor when being used as overhead transmission line conductor, automatic defrosting equipment arranges on-off circuit (19-3), certainly melts
The inner wire (3) of ice conductor is connected to one end of on-off circuit (19-3), from outer conductor (1) and the overhead transmission line of ice-melt conductor
The out-put supply of road system transformer station connects；In automatic defrosting equipment, from outer conductor (1) and the overhead transmission line of ice-melt conductor
Road earth system (25) is connected respectively to (18) winding two ends of transformator, transformer secondary winding two ends connecting valve respectively
Circuit (19-3) and overhead transmission line earth system (25)；On-off circuit (19-3) two ends connection transformer (18) secondary respectively
One end of winding and the inner wire (3) from ice-melt conductor；On-off circuit accepts microprocessor control；
Described when ice-melt conductor is used as overhead transmission line aerial earth wire, automatic defrosting equipment arranges on-off circuit (19-4),
Inner wire (3) from ice-melt conductor is connected to one end of on-off circuit (19-4), defeated with built on stilts from the outer conductor (1) of ice-melt conductor
The earth system of electric line connects；In automatic defrosting equipment, from the outer conductor (1) of ice-melt conductor and overhead transmission line conductor
(26) be connected respectively to (18) winding two ends of transformator, when overhead transmission line conductor use the present invention from ice-melt conductor
Time, a winding connects the outer conductor of built on stilts power line conductive body (26)；Transformator (18) Secondary Winding two ends connect out respectively
Close circuit (19-4) and the outer conductor (1) from ice-melt conductor；On-off circuit (19-4) two ends connection transformer (18) secondary respectively
One end of winding and the inner wire (3) from ice-melt conductor；On-off circuit accepts microprocessor control.
3. as claimed in claim 1 from ice-melt conductor and ice-melting device thereof, it is characterised in that: described inner wire is single piece of metal
During line, single-wire is single steel wire or single galvanized steel wire or single aluminium clad steel wire or the metal tube of single optical fiber built-in
In one；Outer conductor is 6 or 18 metallic cables, and metallic cable is 6 or 18 aluminum steel twisted wires, aluminium alloy stranded conductor, aluminum Baogang
One in core twisted wire.
4. as claimed in claim 1 from ice-melt conductor and ice-melting device thereof, it is characterised in that: described when inner wire or outer conductor
When being metallic cable or alloy twisted wire, metallic cable or the one or more strands of of alloy twisted wire are substituted by the metal tube of optical fiber built-in.
5. as claimed in claim 1 from ice-melt conductor and ice-melting device thereof, it is characterised in that: described inner wire is metallic cable
Time, metallic cable is the one in the metal tube of 7 steel wire twisted wires, galvanized steel wire, aluminium clad steel wire, optical fiber built-in；Outer conductor
It is 12 or 24 aluminum steel twisted wires, aluminium alloy stranded conductor, aluminum Baogang core twisted wires, the one in the metal tube of optical fiber built-in.
6. as claimed in claim 1 from ice-melt conductor and ice-melting device thereof, it is characterised in that: described inner wire is based on China
The aluminum stranded conductor of the regulation design of people's republic's national standard aluminum stranded conductor and reinforcing bar aluminum stranded conductor GB1179 or reinforcing bar aluminum stranded conductor are
An interior circle wire, or from inside to outside, the wire in addition to outermost one encloses wire；Outer conductor can be based on state of the People's Republic of China (PRC)
Family standard aluminum twisted wire and reinforcing bar aluminum stranded conductor GB1179 regulation design aluminum stranded conductor or reinforcing bar aluminum stranded conductor in addition to inner wire
All wires.
7. as described in claim 1 or 4 from ice-melt conductor and ice-melting device thereof, it is characterised in that: the gold of described optical fiber built-in
Belonging to pipe is to be made up of protection metal tube (12), protection implant (13) and optical fiber (14-1,14-2,14-3,14-n-1,14-n),
Outside, n root optical fiber is placed in the inside, is full of protection implant (13) between optical fiber and protection metal tube in protection metal tube (12).
8. as claimed in claim 1 or 2 from ice-melt conductor and ice-melting device thereof, it is characterised in that: when being used as from ice-melt conductor
Non-transmission system, a winding input voltage of transformator (18) is supply voltage, and Secondary Winding output voltage is heating material
Running voltage；When being used as overhead transmission line conductor from ice-melt conductor, a winding input voltage of transformator (18) is defeated
Electric line conductor voltage, the output voltage of Secondary Winding is that transmission line of electricity conductor voltage deducts heating material running voltage, or
Transmission line of electricity conductor voltage adds heating material running voltage；When being used as overhead transmission line ground wire from ice-melt conductor, transformation
Winding input voltage of device (18) is transmission line of electricity conductor voltage, and the output voltage of Secondary Winding is heating material work electricity
Pressure.
9. as claimed in claim 1 from ice-melt conductor and ice-melting device thereof, it is characterised in that: adding in ice-melt conductor (20)
The hot material (2) distribution in coaxial cable uses Disjunct distribution, heating material between Disjunct distribution (15-1,15-2,15-3,
Fill with insulant (16-1,16-2,16-3,16-4) between 15-4), adjacent heating material and insulant compact siro spinning technology, in
Between seamless.
10. as claimed in claim 1 from ice-melt conductor and ice-melting device thereof, it is characterised in that: the control program of microprocessor
It is:
The first step: receive control centre's order by communication module；
Second step: analysis and Control central command, if start ice-melt？It is to enter the 7th step；No, enter the 3rd step；
3rd step: analysis and Control central command, if terminate ice-melt？It is to enter the 6th step；No, enter the 4th step；
4th step: analysis and Control central command, if controlled on-off circuit by icing induction module？It is to enter the 5th step；It is no,
Enter the first step；
5th step: judge that icing induction module has discovered whether ice？Without ice: enter the 6th step；There is ice, enter the 7th step；
6th step: disconnect on-off circuit, enters the first step；
7th step: ON switch circuit, enters the first step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867150.1A CN106304436B (en) | 2016-09-30 | 2016-09-30 | Ice melting equipment for self-melting ice conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867150.1A CN106304436B (en) | 2016-09-30 | 2016-09-30 | Ice melting equipment for self-melting ice conductor |
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| CN106304436B CN106304436B (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867150.1A Active CN106304436B (en) | 2016-09-30 | 2016-09-30 | Ice melting equipment for self-melting ice conductor |
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| CN109033690A (en) * | 2018-08-16 | 2018-12-18 | 四川大学 | Heating transmission pressure even power optimization method certainly based on exchange heating power supply |
| CN109063360A (en) * | 2018-08-16 | 2018-12-21 | 四川大学 | Be embedded in homogeneous material exchanges heating parameters optimization method from heating transmission pressure |
| 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 |
| 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 |
| CN113388181A (en) * | 2021-06-21 | 2021-09-14 | 四川大学 | High-voltage-resistant heating material, preparation method thereof and self-heating deicing cable |
| CN113541081A (en) * | 2021-07-14 | 2021-10-22 | 四川大学 | Lossless single-phase anti-icing and de-icing control equipment based on thyristor |
| CN113687484A (en) * | 2021-09-06 | 2021-11-23 | 福建永福电力设计股份有限公司 | Novel ADSS anti-icing method |
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| CN108322950A (en) * | 2017-12-27 | 2018-07-24 | 中国船舶重工集团公司第七0研究所 | A kind of electrical heating method of no magnetic |
| CN108366442A (en) * | 2018-04-23 | 2018-08-03 | 四川大学 | The self-control heat conductor and heating equipment and its implementation of embedded insulating heat-conduction material |
| CN108366442B (en) * | 2018-04-23 | 2023-08-15 | 四川大学 | Self-made heat conductor heating equipment embedded with insulating heat conducting material and implementation method thereof |
| 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 |
| CN109063360B (en) * | 2018-08-16 | 2022-10-04 | 四川大学 | Method for optimizing alternating-current heating parameters of self-heating transmission wire embedded with uniform material |
| CN109063360A (en) * | 2018-08-16 | 2018-12-21 | 四川大学 | Be embedded in homogeneous material exchanges heating parameters optimization method from heating transmission pressure |
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| CN109033690B (en) * | 2018-08-16 | 2022-10-11 | 四川大学 | Self-heating transmission conductor uniform power optimization method based on alternating-current heating power supply |
| CN108760527A (en) * | 2018-08-20 | 2018-11-06 | 四川大学 | The embedded material that heats is from ice-melt conducting wire on-line monitoring equipment and monitoring method |
| CN108760527B (en) * | 2018-08-20 | 2023-10-13 | 四川大学 | On-line monitoring equipment and monitoring method for self-ice melting wire embedded with heating material |
| 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 |
| CN113388181A (en) * | 2021-06-21 | 2021-09-14 | 四川大学 | High-voltage-resistant heating material, preparation method thereof and self-heating deicing cable |
| CN113388181B (en) * | 2021-06-21 | 2022-07-29 | 四川大学 | High-pressure-resistant heating material, preparation method thereof and self-heating deicing cable |
| CN113541081A (en) * | 2021-07-14 | 2021-10-22 | 四川大学 | Lossless single-phase anti-icing and de-icing control equipment based on thyristor |
| CN113687484A (en) * | 2021-09-06 | 2021-11-23 | 福建永福电力设计股份有限公司 | Novel ADSS anti-icing method |
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