CN109149493A - Processed thermal control equipment and control method of the multiply insulation from heating aerial earth wire - Google Patents
Processed thermal control equipment and control method of the multiply insulation from heating aerial earth wire Download PDFInfo
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- CN109149493A CN109149493A CN201811194176.XA CN201811194176A CN109149493A CN 109149493 A CN109149493 A CN 109149493A CN 201811194176 A CN201811194176 A CN 201811194176A CN 109149493 A CN109149493 A CN 109149493A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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Abstract
Processed thermal control equipment and control method of the multiply insulation from heating aerial earth wire.Hot aerial earth wire is conducting wire, is made of outer conductor, protection quoit, insulating heat-conductive circle and inside heating circle.Control equipment is connected on the port A, B of conducting wire.Inside heating circle uses one of uninsulated wires structure, insulated conductor structure, three kinds of different structures of insulating optical fiber pipe.According to the difference of inside heating coil structures, there are two types of different structures for thermal control equipment processed: for uninsulated wires structure and insulated conductor structure.Thermal control equipment processed is connect at the end A with from heating aerial earth wire；At the end conducting wire B when uninsulated wires structure, outer conductor is heated with inside and is connect after circle short circuit is connect with the earth.Switch, microprocessor, wireless communication module are additionally provided at the end conducting wire B when insulated conductor structure.Aerial earth wire thermal control equipment controls heating by control server, and the resistance of control inside heating circle controls calorific value, effectively implements the anti-icing ice-melt of aerial earth wire.
Description
(1) technical field
The present invention relates to a kind of anti-icing de-icing technology of electric power transmission line, especially a kind of multiply insulation makes somebody a mere figurehead ground from heating
The thermal control equipment processed and control method of line.
(2) background technique
With the development of the social economy, in the environment of being continuously increased electric load application, to exposed power line
Road requires higher and higher.And in cold winter, the route in many areas can all freeze, and cause the damage of route.It is super when freezing
When crossing the endurance of route, the major accidents such as broken string will occur.So the power transmission line deicing in winter be it is essential,
It is highly important.In the prior art, de-icing technology is being continuously improved.Application number CN201610867150.1 is " a kind of from ice-melt
Conductor and ice-melting device " disclose a kind of online de-icing method of transmission line of electricity.This method is implemented to melt in the case where control centre controls
Ice can avoid the case where need to powering off when high voltage transmission line ice-melt and route catastrophe failure, existing de-icing technology is greatly improved.
Application number CN201810370549.8 " the self-control heat conductor and heating equipment and its implementation of insertion insulating heat-conduction material " is public
Another online de-icing method of different types of transmission line of electricity is opened.This method replaces heating material using insulating heat-conduction material,
The fever of itself steel core resistance is efficiently used, at low cost, effect is good.Ice-melt is anti-icing under control centre's control, can be in high pressure
Anti-icing ice-melt online when power transmission line works guarantees electrical equipment safety.But above-mentioned two method, which does not provide electric current, accurately to be controlled
Method.In addition, the patent of application number " CN201810370549.8 " publicity, inner conductor only have one conductor, possible calorific value is not
It is enough.In addition, the bad control of inner conductor outer conductor pressure difference, leads to insulating requirements height.More real is that above-mentioned two method only provides
The anti-icing de-icing method of transmission line wire, does not provide the method for the anti-icing ice-melt of power transmission line overhead ground wire.And power transmission line
Power transmission line overhead ground wire anti-icing ice-melt in road is important a part in Anti-icing of Transmission Lines ice-melt work, is asking of must facing
Topic.
(3) summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, propose a kind of system that multiply insulate from heating aerial earth wire
Thermal control equipment and control method.Interior heating structure and control resistance are flowed through by controlling electric current, accurately controls hot aerial earth wire
Heating, and the pressure difference of outer conductor and internal heating structure is controlled, and reduce insulating layer insulating requirements.Meanwhile promoting aerial earth wire
Stress, improve the quality of production.
The purpose of the present invention is what is reached in this way:
Multiply insulation is conducting wire from aerial earth wire is heated, by outside to inside successively by outer conductor, protection quoit, insulating heat-conductive
Circle and inside heating circle are constituted.Conducting wire both ends are known as side a and b；The thermal control equipment processed of aerial earth wire is connected to multiply insulation
From the port of heating aerial earth wire；
Outer conductor is metal or alloy, is enclosed in outside protection quoit, and protection quoit is metal material, is enclosed in absolutely
Outside edge Heat Conduction Material, insulating heat-conductive circle is made of insulating heat-conduction material, is enclosed in inside heating circle outside, inside is heated and is enclosed
Periphery surrounds completely, so that inside heating circle is completely isolated with outer conductor；Insulating heat-conductive circle inner surface and inside heating circle appearance
Face completely attaches to, and insulating heat-conductive circle outer surface and protection quoit inner surface completely attach to.
There are three types of structures for inside heating circle, and using any one of them structure, three kinds of structures are respectively as follows: uninsulated wires knot
Structure, insulated conductor structure, insulating optical fiber pipe structure.Uninsulated wires are the conducting wires that insulating materials is not added on the outside of guide line；Insulation
Conducting wire is the conducting wire for having insulation material layer on the outside of guide line, and insulation material layer is insulating heat-conduction material, and conducting wire is used with higher
The production of the metal material of resistivity and larger stress；Insulating optical fiber pipe refers to that there is the optical fiber metal tube of insulation material layer in outside,
Insulation material layer is insulating heat-conduction material.
Heating circle is made of one or more strands of uninsulated wires on the inside of uninsulated wires structure；When by multiply uninsulated wires
It when composition, short cut with each other between each stock uninsulated wires, uninsulated wires are used with higher electric resistivity and larger stress
Metal material production,
Heating circle is made of several insulated conductors on the inside of insulated conductor structure；
Heating circle is made of several insulated conductors and several eradication edge light pipes on the inside of insulating optical fiber pipe structure；
According to the difference of inside heating coil structures, there are two types of different structures for thermal control equipment processed:
When inside heating circle is uninsulated wires structure, thermal control equipment processed is in the heating end aerial earth wire A certainly and self-control
Hot aerial earth wire connection, the end conducting wire A, outer conductor are connect with A termination place；At the end conducting wire B, outer conductor and inside heating circle short circuit
After connection, it is connected to B termination place, the termination place A and the termination place B are connect with the earth.
Thermal control equipment processed is by power connector end, grounding connection end, series resistance, earthing switch, power switch, direct current
Source, the end A microprocessor, the end A wireless communication module are constituted.
Power connector end is connected to from inside heating circle, series resistance, earthing switch, the power supply of heating aerial earth wire and opens
It closes；Grounding connection end is connected to outer conductor, A termination place, earthing switch, series resistance, DC power supply.
Series resistance both ends are connected respectively to power connector end and grounding connection end.
Earthing switch both ends are connected respectively to power connector end and grounding connection end；Power switch one end is connected to power supply company
End is connect, the other end is connected to DC power supply.
DC power supply one end is connected to power switch, and the other end is connected to grounding connection end.
Power switch, earthing switch, DC power supply are all connected to the end A microprocessor, are controlled by microprocessor.
The end A microprocessor is connect with power switch, earthing switch, DC power supply, control power switch, earthing switch, straight
The working condition in galvanic electricity source；
The end A microprocessor is connect with wireless communication module, and module receives order by wireless communication.
When inside heating circle is insulated conductor structure or insulating optical fiber pipe structure, thermal control equipment processed is connected by power supply
End, grounding connection end, series resistance, earthing switch, power switch, DC power supply, the end A microprocessor, the end A radio communication mold
Block, the end B microprocessor, the end B wireless communication module, A end switch 1, A end switch 2, A end switch, B end switch 1, B end switch 2, B
End switch, A termination place, B termination place are constituted.
Power connector end is connected to from inside heating circle, series resistance, earthing switch, the power supply of heating aerial earth wire and opens
It closes；Grounding connection end is connected to outer conductor, A termination place, earthing switch, series resistance, DC power supply.A terminates place and big
Ground connection；
Series resistance both ends are connected respectively to power connector end and grounding connection end.
Earthing switch both ends are connected respectively to power connector end and grounding connection end；Power switch one end is connected to power supply company
End is connect, the other end is connected to DC power supply.
DC power supply one end is connected to power switch, and the other end is connected to grounding connection end.
Power switch, earthing switch, DC power supply are all connected to the end A microprocessor, and are controlled by microprocessor；
The end A microprocessor is connect with power switch, earthing switch, DC power supply, controls power switch, earthing switch, the end A
Switch 1, A end switch 2, A end switch 24-3 ... 24-k-2,24-k-1,24-k connection, it is control power switch, earthing switch, straight
Galvanic electricity source, A end switch 1, A end switch 22, A end switch 24-3 ... 24-k-2,24-k-1,24-k working condition；The end B is micro-
Processor is connect with B end switch 1, B end switch 2, B end switch 25-3 ... 25-k-2,25-k-1, and control B end switch 1, the end B are opened
Close the working condition of 2, B end switch 25-3 ... 25-k-2,25-k-1.
The end A microprocessor is connect with wireless communication module, and module receives order by wireless communication；
The end B microprocessor is connect with wireless communication module, and module receives order by wireless communication.
When the inside heating circle 4 is insulated conductor structure and insulating optical fiber pipe structure, insulated conductor is 2k+1 root, insulation
Conducting wire number consecutively is compiled as No. 1 insulated conductor, No. 2 insulated conductors, No. 3 insulated conductors ... ..., 2k insulated conductor, No. 2k+1
Insulated conductor is all RN if above-mentioned insulated conductor resistance is identical；
No. 1 end insulated conductor A is connected to power connector end, and the end B is connected to B termination place；
No. 2 ends insulated conductor A are connect with No. 3 insulated conductor short circuits, and are connected to A end switch 1, are led at the end B and No. 1 insulation
Line short circuit connection；A end switch 1 is connected respectively to No. 2 ends insulated conductor A and A termination place；
No. 3 ends insulated conductor A are connect with No. 2 insulated conductor short circuits, are connect at the end B with No. 4 insulated conductor short circuits, and connect
To B end switch 1；B end switch 1 is connected respectively to No. 3 ends insulated conductor B and B termination place；
No. 4 ends insulated conductor A are connect with No. 5 insulated conductor short circuits, and are connected to A end switch 2, are led at the end B and No. 3 insulation
Line short circuit connection；A end switch 2 is connected respectively to No. 4 ends insulated conductor A and A termination place；
No. 5 ends insulated conductor A are connect with No. 4 insulated conductor short circuits, are connect at the end B with No. 6 insulated conductor short circuits, and connect
To B end switch 2；B end switch 2 is connected respectively to No. 5 ends insulated conductor B and B termination place；
……
The end insulated conductor A 2k-1 is connect with 2k-2 insulated conductor short circuit, is connected at the end B and the short circuit of 2k insulated conductor
It connects, and is connected to B end switch k-1；B end switch k-1 is connected respectively to the end insulated conductor B 2k-1 and B termination place；
The end insulated conductor A 2k is connect with 2k+1 insulated conductor short circuit, and is connected to A end switch k, in the end B and 2k-1
Number insulated conductor short circuit connection；A end switch k is connected respectively to the end insulated conductor A 2k and A termination place；
The end insulated conductor A 2k+1 is connect with 2k insulated conductor short circuit, and the end B is connect with outer conductor short circuit, and is connected to B
Terminate place.
It is described when inside heating circle be uninsulated wires structure when, when earthing switch short circuit, power connector end and ground connection
Connect terminal shortcircuit；When earthing switch open circuit, power connector end and grounding connection end are connected to power switch and DC power supply
On series circuit.
When it is insulation system or insulating optical fiber structure that multiply insulation, which heats circle from the inside of heating aerial earth wire, multiply insulation
From heating aerial earth wire by being outside to inside successively made of outer conductor, protection quoit and inside heating circle.
When inside heating circle is non-insulated conductor structure, non-insulated conductor uses 7 strands of nonisulated steel conducting wires；When inside system
When gas ket is insulating optical fiber structure, insulating optical fiber structure thoroughly does away with edge light pipe by 9 insulated conductors and 3.
Thermal control equipment processed is controlled by control server,
Module gives the microprocessor hair control letter from heating aerial earth wire side a and b to control server by wireless communication
Breath, by controlling the resistance of the heating circle from the inside of each switch control of heating aerial earth wire side a and b, to control fever
Amount；
It is non-insulated conductor structure and insulated conductor and insulating optical fiber structure according to inside heating circle, using different controls
Method processed:
Inside heating circle is non-insulated conductor structure:
Non- heating state:
Earthing switch short circuit, power switch open circuit；
Heating state:
Earthing switch open circuit, power switch short circuit
Inside heating circle is insulated electric conductor structure and insulating optical fiber structure:
Non- heating state:
Earthing switch short circuit, power switch open circuit；All A end switch short circuits, all B end switch short circuits；
Heating state:
Earthing switch open circuit, power switch short circuit；
And the resistance by there is the switch state adjustment inside heating circle of A end switch and B end switch switch；
The short circuit of all A end switch, when all B end switch short circuits, the resistance of inside heating circle is RN；
A end switch 1 is opened a way, other A end switch short circuit, and when all B end switch short circuits, the resistance of inside heating circle is 3RN；
A end switch 1, A end switch 2 are opened a way, other A end switch short circuit, B end switch 1 is opened a way, when other B end switch short circuits,
The resistance of inside heating circle is 5RN；
The A end switch A end switch open circuit that 2, No. 6 A end switch 1, A end switch ends insulated conductor A connect, other A end switch
Short circuit, B end switch 1, B end switch 2 are opened a way, and when other B end switch short circuits, the resistance of inside heating circle is 7RN；
……
1 24-1, A end switch of A end switch, 2 24-2 ... A end switch k-1 open circuit, the k short circuit of A end switch, B end switch 1
2 25-2 of 25-1, B end switch ... B end switch k-2 open circuit, when B opens at end the short circuit of the pass k-1, the resistance of inside heating circle is 2k-
1RN；
All A end switch open circuits, when all B end switch are opened a way, the resistance of inside heating circle is (2k+1) RN.
Positive effect of the invention:
1, the present invention effectively implements the anti-icing ice-melt of aerial earth wire, by heating line resistance control heating, and then accurately controls
Internal heating structure electric current and outer conductor flow through electric current.
2, the pressure difference of control outer conductor and internal heating structure, reduces the insulating requirements of insulating layer.
3, it is actually needed according to anti-icing ice-melt, adjusts aerial earth wire calorific value in real time.
4, using multiply production from heating aerial earth wire, while internal structure protection circle, in process of production, twisted wire being equipped with
Biggish active force can be born when package, not only reduces insulating layer damage, moreover it is possible to improve the aerial thermally line mass of self-control.
(4) Detailed description of the invention
Fig. 1 is heating aerial earth wire outline structural diagram certainly of the invention.
Fig. 2 is from heating aerial earth wire structural profile.
Fig. 3 is inside heating 7 strands of uninsulated wires structural schematic diagrams of circle.
Fig. 4 is the insulated conductor schematic diagram that conducting wire uses steel wire.
Fig. 5 is the optical fiber metal pipe structure schematic diagram that there is insulation material layer in outside.
Fig. 6 is the inside heating circle for thoroughly doing away with edge conductor structure using 13.
Fig. 7 is to thoroughly do away with heating circle on the inside of the insulating optical fiber structure of edge light wire using 9 insulated conductors and 3.
Fig. 8 is the outer conductor structural schematic diagram of one layer of metallic cable.
Fig. 9 is the outer conductor structural schematic diagram of double layer of metal twisted wire.
Figure 10 is inside heating circle when being uninsulated structure, heating control device structure schematic diagram.
Figure 11 be inside heating circle be insulation system when, heating control device structure schematic diagram.
Figure 12 is microprocessor architecture circuit diagram.
Figure 13 is microprocessor RS232 interface schematic diagram.
Figure 14 is five volts and turns dog days' power-switching circuit figure.
Figure 15 is that dog days turn second of the three ten-day periods of the hot season power-switching circuit figure.
Figure 16 is jtag circuit figure.
Figure 17 switching circuit schematic diagram.
Figure 18 control centre structural block diagram.
In figure, 1 outer conductor, 2 protection quoits, 3 insulating heat-conductive circles, 4 inside heating circles, 5-1~5-7 uninsulated wires, 6
Wire insulation, 7 conductor layers, 8 optical fiber pipe insulation layers, 9 metal tubes, 10-1~10-4 optical fiber, 11-a1~11-a13 insulation are led
Line, 11-b1~11-b9 insulated conductor, 11-n1~11-n2k+1 insulated conductor, 12-1~12-3 insulating optical fiber pipe, 13-a1~
13-an conductive metal wire, 13-b1~13-bm conductive metal wire, 14 A terminate place, and 15 B terminate place, the connection of 16 power supplys
End, 17 grounding connection end, 18 series resistance, 19 earthing switches, 20 power switches, 21 DC power supplies, the end 22-1 A microprocessor,
The end 22-2 B microprocessor, the end 23-1 A wireless communication module, the end 23-2 B wireless communication module, 24-1 A end switch 1,24-2
A end switch 2,24-k~24-k-2 A end switch, 25-1 B end switch 1,25-2 B end switch 2, the end 25-k-1~25-k-2 B
Switch, 23-3 wireless communication module, 58 control servers.
(5) specific embodiment
Referring to attached drawing 1,2.
Multiply insulation is conducting wire from aerial earth wire is heated, by outside to inside successively being led by outer conductor 1, protection quoit 2, insulation
Gas ket 3 and inside heating circle 4 are constituted；Conducting wire both ends are known as side a and b；Thermal control equipment processed is connected to multiply insulation from heating
On the port of aerial earth wire.
When multiply insulation is from when heating circle 4 is insulation system or insulating optical fiber structure on the inside of heating aerial earth wire, multiply is exhausted
Originate from heating aerial earth wire to be constituted by outside to inside successively enclosing 4 by outer conductor 1, protection quoit 2 and inside heating, or successively by outer
Conductor 1, protection quoit 2, insulating heat-conductive circle 3 and inside heating circle 4 are constituted；.
Outer conductor 1 is metal or alloy, is enclosed in outside protection quoit, and protection quoit 2 is quoit, is enclosed in absolutely
3 outside of edge Heat Conduction Material, insulating heat-conductive circle 3 are made of insulating heat-conduction material, 4 outside of inside heating circle are enclosed in, by inside system
Gas ket periphery surrounds completely, so that inside heating circle 4 is completely isolated with outer conductor 1；3 inner surface of insulating heat-conductive circle and inside heating
The full contact of 4 outer surfaces is enclosed, 3 outer surface of insulating heat-conductive circle and protection 2 inner surface of quoit completely attach to；
When inside heating circle is uninsulated wires structure, it is necessary to have insulating heat-conductive circle 3.Insulating heat-conductive in the present embodiment
The heat-conducting insulation material of Heat Conduction Material selection Nano-technology Development Co., Ltd of the Hefei Air China production of circle: model: ZH-HCM-A.
For transmission pressure, the metallic conductor of inside heating circle is according to National Standard of the People's Republic of China's aluminum stranded conductor and steel
The steel core of most the inside of the aluminum stranded conductor or reinforcing bar aluminum stranded conductor of the regulation design of core aluminum stranded wire (GB1179), or than steel core resistance
Rate is higher, the higher doping steel core material of intensity.Outer conductor is according to National Standard of the People's Republic of China's aluminum stranded conductor and steel core
Aluminum stranded conductor (GB1179) regulation design aluminum stranded conductor or steel-cored aluminium strand outer layer aluminum stranded conductor or other than aluminum stranded conductor resistance
The lower conducting wire of rate.
There are three types of structures for inside heating circle 4, and using any one of them structure, three kinds of structures are respectively as follows: uninsulated wires knot
Structure, insulated conductor structure, insulating optical fiber pipe structure；Uninsulated wires are the conducting wires that insulating materials is not added on the outside of guide line；Insulation
Conducting wire is the conducting wire for having insulation material layer on the outside of guide line, and insulation material layer is insulating heat-conduction material, and conducting wire is used with higher
The material of resistivity makes；Insulating optical fiber pipe refers to that there is the optical fiber metal tube of insulation material layer in outside, and insulation material layer is insulation
Heat Conduction Material；
Heating circle 4 is made of one or more strands of uninsulated wires on the inside of uninsulated wires structure；It is led when by multiply is nonisulated
It when line is constituted, short cut with each other between each stock uninsulated wires, uninsulated wires use the material with higher electric resistivity to make.
There are three types of structures for inside heating circle 4, and using any one of them structure, three kinds of structures are respectively as follows: uninsulated wires knot
Structure, insulated conductor structure, insulating optical fiber pipe structure.
Uninsulated wires are the conducting wires that insulating materials is not added on the outside of guide line；Refer to what one or more strands of uninsulated wires were constituted
Inside heating circle；When being made of multiply uninsulated wires, short cut with each other between each stock uninsulated wires.Uninsulated wires use
Material production with higher electric resistivity.The present embodiment uses 7 strands of steel conductor structures.Referring to attached drawing 3, in figure, 5-1,5-2,5-
3,5-4,5-5,5-6,5-7 is uninsulated wires.
Referring to fig. 4.Insulated conductor is the conducting wire for having insulation material layer on the outside of guide line, and insulation material layer is insulating heat-conductive material
Material, conducting wire use the material with higher electric resistivity to make.Conducting wire uses the material with higher electric resistivity to make, in embodiment
Conducting wire uses steel wire.6 be wire insulation, 7 conductor layers in Fig. 4.Insulating layer can also can be wrapped up with mopping with oilpaper is wrapped up in.
Referring to Fig. 6.Heating circle is made of 13 several insulated conductors on the inside of insulated conductor structure, 11-a1,11-
A2 ..., 11-a13 insulated conductor, be distributed in insulating heat-conductive circle 3.
Referring to Fig. 5.Insulating optical fiber pipe refers to that there is the optical fiber metal tube of insulation material layer in outside, and insulation material layer is that insulation is led
Hot material.8 be optical fiber pipe insulation layer in figure, and 9 metal tubes, 10-1,10-2,10-3,10-4 are optical fiber tube.
Referring to Fig. 7.On the inside of insulating optical fiber pipe structure heating circle by 9 insulated conductor 11-b1,11-b2 ..., 11-b9 and
3, which thoroughly do away with edge optical fiber tube 12-1,12-2,12-3, is constituted.Optical fiber in insulating optical fiber pipe is for communicating.
Referring to Fig. 8,9.Outer conductor is conductive metal circle, or is made of conductive metal wire.When being made of conductive metal wire,
It is several conductive metal wires, is one layer or multilayer.Conductive metal wire uses the material with low resistivity to make, this reality
Example is applied using aluminium.13-a1,13-a2,13-a3 ..., the conductive metal wire of 13-an-1,13-an when being one layer.13-b1,13-
B2,13-b3 ..., the conductive metal wire of 13-bm-1,13-bm when being two layers.
Referring to attached drawing 10,11.
Heating control device structure: heating on the inside of circle and insulation system is heated on the inside of uninsulated structure and encloses the heating control used
Control equipment is different.
When inside heating circle is uninsulated wires structure, thermal control equipment processed is in the heating end aerial earth wire A certainly and self-control
Hot aerial earth wire connection；At the end conducting wire B, after outer conductor 1 is connect with 4 short circuit of inside heating circle, it is connected to B termination place 15, the end B
Grounding point is connect with the earth.
Thermal control equipment processed is opened by power connector end 16, grounding connection end 17, series resistance 18, earthing switch 19, power supply
Close 20, DC power supply 21, the end the A end microprocessor 22-1, A wireless communication module 23-1 is constituted.
Power connector end 16 be connected to from heating aerial earth wire inside heating circle 4, series resistance 18, earthing switch 19,
Power switch 20；Grounding connection end 17 is connected to A termination place, earthing switch 19, series resistance (18), DC power supply 21；
18 both ends of series resistance are connected respectively to power connector end 16 and grounding connection end 17；The present embodiment series resistance takes
Value is between 100-1000 times of inside heating circle resistance；
19 both ends of earthing switch are connected respectively to power connector end 16 and grounding connection end 17；The connection of 20 one end of power switch
To power connector end 16, the other end is connected to DC power supply 21；
21 one end of DC power supply is connected to power switch 20, and the other end is connected to grounding connection end 17；
Power switch 20, earthing switch 19, DC power supply 21 are all connected to the end A microprocessor (22-1), and by micro process
Device control；
The end A microprocessor 22-1 is connect with power switch 20, earthing switch 19, DC power supply 21, and control power switch connects
The working condition of ground switch, DC power supply；
The end A microprocessor 22-1 is connect with wireless communication module 23-1, and module receives order by wireless communication.
In the present embodiment, when inside heating circle is insulated conductor structure or insulating optical fiber pipe structure, thermal control equipment processed
It is micro- by power connector end 16, grounding connection end 17, series resistance 18, earthing switch 19, power switch 20, DC power supply 21, the end A
The end processor 22-1, A end wireless communication module 23-1, B end microprocessor 22-2, B wireless communication module 23-2, A end switch 1
2 24-2, A end switch 24-3 ... 24-k-2 of 24-1, A end switch, 24-k-1,24-k, 1 25-1, B end switch of B end switch
225-2, B end switch 25-3 ... 25-k-2,25-k-1, A termination place 14, B termination place 15 are constituted.
Power connector end 16 be connected to from heating aerial earth wire inside heating circle 4, series resistance 18, earthing switch 19,
Power switch 20；Grounding connection end 17 is connected to A termination place, earthing switch 19, series resistance 18, DC power supply 21.
Series resistance both ends are connected respectively to power connector end 16 and grounding connection end 17；
19 both ends of earthing switch are connected respectively to power connector end 16 and grounding connection end 17；The connection of 20 one end of power switch
To power connector end 16, the other end is connected to DC power supply 21；
21 one end of DC power supply is connected to power switch 20, and the other end is connected to grounding connection end 17；
Power switch 20, earthing switch 19, DC power supply 21 are all connected to the end A microprocessor 22-1, and by microprocessor
Control；
The end A microprocessor 22-1 is opened with power switch 20, earthing switch 19, DC power supply 21,1 end 24-1, A of A end switch
2 24-2, A end switch 24-3 ... 24-k-2,24-k-1,24-k connection are closed, power switch, earthing switch, direct current are controlled
Source, 1 24-1, A end switch of A end switch, 2 24-2, A end switch 24-3 ... 24-k-2,24-k-1,24-k) working condition；B
End microprocessor 22-2 is connect with 1 25-1, B end switch of B end switch, 2 25-2, B end switch 25-3 ... 25-k-2,25-k-1,
Control the working condition of B end switch 125-1, B end switch 225-2, B end switch 25-3 ... 25-k-2,25-k-1.
The end A microprocessor 22-1 is connect with wireless communication module 23-1, and module receives order by wireless communication；
The end B microprocessor 22-2 is connect with wireless communication module 23-2, and module receives order by wireless communication.
In the present embodiment, insulated conductor is 2k+1 root, and insulated conductor number consecutively is compiled as No. 1 insulated conductor, No. 2 insulation
Conducting wire, No. 3 insulated conductors ... ..., 2k insulated conductor, 2k+1 insulated conductor, if above-mentioned insulated conductor resistance is identical, all for
RN；
No. 1 end insulated conductor A is connected to power connector end 16, and the end B is connected to B termination place 15；
No. 2 ends insulated conductor A are connect with No. 3 insulated conductor short circuits, and are connected to 1 24-1 of A end switch, the end B and No. 1
Insulated conductor short circuit connection；1 24-1 of A end switch is connected respectively to No. 2 ends insulated conductor A and A termination place 14；
No. 3 ends insulated conductor A are connect with No. 2 insulated conductor short circuits, are connect at the end B with No. 4 insulated conductor short circuits, and connect
To B end switch 1；1 25-1 of B end switch is connected respectively to No. 3 ends insulated conductor B and B termination place 15；
No. 4 ends insulated conductor A are connect with No. 5 insulated conductor short circuits, and are connected to 2 24-2 of A end switch, the end B and No. 3
Insulated conductor short circuit connection；2 24-2 of A end switch is connected respectively to No. 4 ends insulated conductor A and A termination place 14；
No. 5 ends insulated conductor A are connect with No. 4 insulated conductor short circuits, are connect at the end B with No. 6 insulated conductor short circuits, and connect
To 2 25-2 of B end switch；2 25-2 of B end switch is connected respectively to No. 5 ends insulated conductor B and B termination place；
……
The end insulated conductor A 2k-1 is connect with 2k-2 insulated conductor short circuit, is connected at the end B and the short circuit of 2k insulated conductor
It connects, and is connected to B end switch k-1 25-k-1；B end switch k-1 25-k-1 is connected respectively to the end insulated conductor B 2k-1 and B
Terminate place.
The present embodiment DC power supply selection: manufacturer: Jin Rang Electronic Science and Technology Co., Ltd. of Shenzhen: model: high power DC
Power supply KRSP-15000-40375.
Referring to attached drawing 12.Microprocessor selects single-chip microcontroller, wherein U11:MSP430F5438: single-chip microcontroller/by the U.S.
The production of TEXASINSTRUMENTS company.
Referring to attached drawing 13.In microprocessor RS232 interface schematic diagram, U8:MAX232:RS232 interface chip is by the U.S.
Maxim company；CH3 LOOPa, CH3 LOOPb is connect with terminal Power Line Carrier Communication Module communication interface connecting line.
CH4 LOOPa, CH4 LOOPb is connect with terminal electrical parameter acquisition module communication interface connecting line.
Referring to attached drawing 14~18.
Five volts turn in dog days' power-switching circuit, UP18:LM26400Y: power conversion chip is by U.S. NATIONAL
The production of SEMICONDUCTOTR company.
All switching circuits of the present invention use identical circuit.
KT: Japanese Omron Corp's production, LY1-J,
UT1: Toshiba Corp's production, TLP521,
QT4: Fairchild Semiconductor Corporation company of the U.S.: SS9013,
QT1: Fairchild Semiconductor Corporation company of the U.S.: IN4148,
Switch port A and switch port B is connected to the connecting pin for needing to control short circuit with open circuit, the micro- place of RELAYIN1 connection
Manage the I/O pin of device.
Wireless communication module is using wireless transmission communication module: Beijing Jie Mai communication apparatus Co., Ltd production: G300 type
GSM digital transmission module.G300 type GSM digital transmission module interface is connect with microprocessor RS232 interface.
Control server is computer, and control server by wireless communication give from heating aerial earth wire side a and b by module
Microprocessor hair control information.By controlling from the switch for heating aerial earth wire side a and b, the electricity of control inside heating circle
Resistance, to control calorific value.
Thermal control equipment processed of the invention is controlled by control server, control server module by wireless communication
To the microprocessor hair control information from heating aerial earth wire side a and b, by controlling from heating aerial earth wire side a and b
The resistance of heating circle on the inside of each switch control, to control calorific value.
It is non-insulated conductor structure and insulated conductor and insulating optical fiber structure according to inside heating circle, using different controls
Method processed:
Inside heating circle is non-insulated conductor structure:
Non- heating state:
19 short circuit of earthing switch, power switch 20 are opened a way；
Heating state:
Earthing switch 19 is opened a way, 20 short circuit of power switch
Inside heating circle is insulated electric conductor structure and insulating optical fiber structure:
Non- heating state:
19 short circuit of earthing switch, power switch 20 are opened a way；All A end switch short circuits, all B end switch short circuits；
Heating state
Earthing switch 19 is opened a way, 20 short circuit of power switch；
And the resistance by there is the switch state adjustment inside heating circle of A end switch and B end switch switch；
The short circuit of all A end switch, when all B end switch short circuits, the resistance of inside heating circle is RN；
1 24-1 of A end switch open circuit, other A end switch short circuit, when all B end switch short circuits, the resistance of inside heating circle
For 3RN；
1 24-1, A end switch of A end switch, 2 24-2 open circuit, other A end switch short circuits, 1 25-1 of B end switch open circuit,
When his B end switch short circuit, the resistance of inside heating circle is 5RN；
1 24-1, A end switch of A end switch, 2 24-2, the A end switch open circuit of No. 6 ends insulated conductor A connection, other ends A
Switch short, 1 25-1, B end switch of B end switch, 2 25-2 open circuit, when other B end switch short circuits, the resistance of inside heating circle is
7RN；
……
1 24-1, A end switch of A end switch, 2 24-2 ... A end switch k-1 24-k-1 open circuit, the k short circuit of A end switch, B
1 25-1, B end switch of end switch, 2 25-2 ... B end switch k-2 25-k-2 open circuit, when B opens at end the short circuit of the pass k-1 25-k-1,
The resistance of inside heating circle is (2k-1) RN；
All A end switch open circuits, when all B end switch are opened a way, the resistance of inside heating circle is (2k+1) RN.
Claims (6)
1. the thermal control equipment processed that a kind of multiply insulation heats aerial earth wire certainly, it is characterised in that: multiply insulation heats certainly makes somebody a mere figurehead
Ground wire is conducting wire, by outside to inside successively by outer conductor (1), protection quoit (2), insulating heat-conductive circle (3) and inside heating circle (4)
It constitutes；Conducting wire both ends are known as side a and b；Thermal control equipment processed is connected to multiply insulation from the port of heating aerial earth wire；
Outer conductor (1) is metal or alloy, is enclosed in outside protection quoit, and protection quoit (2) is metal material, is enclosed in
Outside insulating heat-conduction material (3), insulating heat-conductive circle (3) is made of insulating heat-conduction material, is enclosed in outside inside heating circle (4),
Inside is heated circle periphery to surround completely, so that inside heating circle (4) and outer conductor (1) are completely isolated；In insulating heat-conductive circle (3)
Surface and inside heating circle (4) outer surface completely attach to, and insulating heat-conductive circle (3) outer surface and protection quoit (2) inner surface are complete
Full connected；
Inside heating circle (4) is there are three types of structure, using any one of them structure, three kinds of structures be respectively as follows: uninsulated wires structure,
Insulated conductor structure, insulating optical fiber pipe structure；Uninsulated wires are the conducting wires that insulating materials is not added on the outside of guide line；Insulated conductor
It is the conducting wire for having insulation material layer on the outside of guide line, insulation material layer is insulating heat-conduction material, and conducting wire, which uses, has high electrical resistance
The production of the metal material of rate and larger stress；Insulating optical fiber pipe refers to that there are the optical fiber metal tube of insulation material layer, insulation in outside
Material layer is insulating heat-conduction material；
Heating circle (4) is made of one or more strands of uninsulated wires on the inside of uninsulated wires structure；When by multiply uninsulated wires
It when composition, short cut with each other between each stock uninsulated wires, uninsulated wires are used with higher electric resistivity and larger stress
Metal material production,
Heating circle (4) is made of several insulated conductors on the inside of insulated conductor structure；
Heating circle (4) is made of several insulated conductors and several eradication edge light pipes on the inside of insulating optical fiber pipe structure；
The difference of circle (4) structure is heated according to inside, there are two types of different structures for thermal control equipment processed:
When inside heating circle be uninsulated wires structure when, thermal control equipment processed from heating the end aerial earth wire A with from heating frame
The connection of vacant lot line, the end conducting wire A, outer conductor (1) are connect with A termination place (14)；At the end conducting wire B, outer conductor (1) and inside are heated
After enclosing (4) short circuit connection, it is connected to B termination place (15), A termination place (14) and B termination place (15) are connect with the earth；
Thermal control equipment processed is by power connector end (16), grounding connection end (17), series resistance (18), earthing switch (19), electricity
Source switch (20), DC power supply (21), the end A microprocessor (22-1), the end A wireless communication module (23-1) are constituted；
Power connector end (16) is connected to inside heating circle (4), series resistance (18), earthing switch from heating aerial earth wire
(19) and power switch (20)；Grounding connection end (17) is connected to outer conductor (1), A termination place, earthing switch (19), series connection
Resistance (18) and DC power supply (21)；
Series resistance (18) both ends are connected respectively to power connector end (16) and grounding connection end (17)；
Earthing switch (19) both ends are connected respectively to power connector end (16) and grounding connection end (17)；Power switch (20) one end
It is connected to power connector end (16), the other end is connected to DC power supply (21)；
DC power supply (21) one end is connected to power switch (20), and the other end is connected to grounding connection end (17)；
Power switch (20), earthing switch (19), DC power supply (21) are all connected to the end A microprocessor (22-1), and by micro- place
Manage device control；
The end A microprocessor (22-1) is connect with power switch (20), earthing switch (19) and DC power supply (21), and control power supply is opened
Close the working condition of (20), earthing switch (19), DC power supply (21)；
The end A microprocessor (22-1) is connect with wireless communication module (23-1), and module receives order by wireless communication；
When inside heating circle is insulated conductor structure or insulating optical fiber pipe structure, thermal control equipment processed is by power connector end
(16), grounding connection end (17), series resistance (18), earthing switch (19), power switch (20), DC power supply (21), the end A are micro-
Processor (22-1), the end A wireless communication module (23-1), the end B microprocessor (22-2), the end B wireless communication module (23-2), A
End switch 1 (24-1), A end switch 2 (24-2), A end switch (24-3 ... 24-k-2,24-k-1,24-k), 1 (25- of B end switch
1), B end switch 2 (25-2), B end switch (25-3 ... 25-k-2,25-k-1), A termination place (14), B termination place (15)
It constitutes；
Power connector end (16) is connected to inside heating circle (4), series resistance (18), earthing switch from heating aerial earth wire
(19) and power switch (20)；Grounding connection end (17) be connected to outer conductor (1), A termination place (14), earthing switch (19),
Series resistance (18) and DC power supply (21)；A terminates place (14) and connect with the earth；
Series resistance both ends are connected respectively to power connector end (16) and grounding connection end (17)；
Earthing switch (19) both ends are connected respectively to power connector end (16) and grounding connection end (17)；Power switch (20) one end
It is connected to power connector end (16), the other end is connected to DC power supply (21)；
DC power supply (21) one end is connected to power switch (20), and the other end is connected to grounding connection end (17)；
Power switch (20), earthing switch (19), DC power supply (21) are all connected to the end A microprocessor (22-1), and by micro- place
Manage device control；
The end A microprocessor (22-1) and power switch (20), earthing switch (19), DC power supply (21), A end switch 1 (24-1),
A end switch 2 (24-2) and A end switch (24-3 ... 24-k-2,24-k-1,24-k) connection, control power switch, ground connection are opened
Pass, DC power supply, A end switch 1 (24-1), A end switch 2 (24-2) and A end switch (24-3 ... 24-k-2,24-k-1,24-
K) working condition；The end B microprocessor (22-2) and B end switch 1 (25-1), B end switch 2 (25-2) and B end switch (25-
3 ... 25-k-2,25-k-1) connection, control B end switch 1 (25-1), B end switch 2 (25-2) and B end switch (25-3 ...
25-k-2,25-k-1) working condition；
The end A microprocessor (22-1) is connect with wireless communication module (23-1), and module receives order by wireless communication；
The end B microprocessor (22-2) is connect with wireless communication module (23-2), and module receives order by wireless communication.
2. the thermal control equipment processed that multiply insulation as described in claim 1 heats aerial earth wire certainly, it is characterised in that:
When the inside heating circle (4) is insulated conductor structure and insulating optical fiber pipe structure, insulated conductor is 2k+1 root, and insulation is led
Line number consecutively is compiled as No. 1 insulated conductor, No. 2 insulated conductors, No. 3 insulated conductors ... ..., 2k insulated conductor, and No. 2k+1 absolutely
Edge conducting wire is all RN if above-mentioned insulated conductor resistance is identical；
No. 1 end insulated conductor A is connected to power connector end (16), and the end B is connected to B termination place (15)；
No. 2 ends insulated conductor A are connect with No. 3 insulated conductor short circuits, and are connected to A end switch 1 (24-1), at the end B and No. 1 insulation
Conducting wire short circuit connection；A end switch 1 (24-1) is connected respectively to No. 2 ends insulated conductor A and A termination place (14)；
No. 3 ends insulated conductor A are connect with No. 2 insulated conductor short circuits, are connect at the end B with No. 4 insulated conductor short circuits, and be connected to B
End switch 1；B end switch 1 (25-1) is connected respectively to No. 3 ends insulated conductor B and B termination place (15)；
No. 4 ends insulated conductor A are connect with No. 5 insulated conductor short circuits, and are connected to A end switch 2 (24-2), at the end B and No. 3 insulation
Conducting wire short circuit connection；A end switch 2 (24-2) is connected respectively to No. 4 ends insulated conductor A and A termination place (14)；
No. 5 ends insulated conductor A are connect with No. 4 insulated conductor short circuits, are connect at the end B with No. 6 insulated conductor short circuits, and be connected to B
End switch 2 (25-2)；B end switch 2 (25-2) is connected respectively to No. 5 ends insulated conductor B and B termination place (15)；
……
The end insulated conductor A 2k-1 is connect with 2k-2 insulated conductor short circuit, is connect at the end B with 2k insulated conductor short circuit, and
It is connected to B end switch k-1 (25-k-1)；B end switch k-1 (25-k-1) is connected respectively to the end insulated conductor B 2k-1 and B termination
Place (15)；
The end insulated conductor A 2k is connect with 2k+1 insulated conductor short circuit, and is connected to A end switch k (24-k), in the end B and 2k-
No. 1 insulated conductor short circuit connection；A end switch k is connected respectively to the end insulated conductor A 2k and A termination place (14)；
The end insulated conductor A 2k+1 is connect with 2k insulated conductor short circuit, and the end B is connect with 1 short circuit of outer conductor, and is connected to the end B
Grounding point (15), B termination place (15) are connect with outer conductor (1) and big ground short circuit.
3. the thermal control equipment processed that multiply insulation as described in claim 1 heats aerial earth wire certainly, it is characterised in that: described to work as
When inside heating circle is uninsulated wires structure, when earthing switch short circuit, power connector end and grounding connection terminal shortcircuit；When connecing
When ground switch open, power connector end and grounding connection end are connected on the series circuit of power switch and DC power supply.
4. the thermal control equipment processed that multiply insulation as described in claim 1 heats aerial earth wire certainly, it is characterised in that: work as multiply
When making that heating circle (4) is insulation system or insulating optical fiber structure on the inside of thermal wire by oneself, multiply makes thermal wire by oneself by outside to inside successively
It is made of outer conductor (1), protection quoit (2) and inside heating circle (4).
5. the thermal control equipment processed that multiply insulation as described in claim 1 heats aerial earth wire certainly, it is characterised in that: work as inside
When heating circle is non-insulated conductor structure, non-insulated conductor uses 7 strands of nonisulated steel conducting wires；When inside, heating circle is insulating optical fiber
When structure, insulating optical fiber structure thoroughly does away with edge light pipe by 9 insulated conductors and 3.
6. a kind of control method of processed thermal control equipment of multiply insulation as described in claim 1 from heating aerial earth wire,
Be characterized in that: thermal control equipment processed is controlled by control server,
Module gives the microprocessor hair control information from heating aerial earth wire side a and b to control server by wireless communication, leads to
The resistance for crossing control heating circle from the inside of each switch control of heating aerial earth wire side a and b, to control calorific value；
It is non-insulated conductor structure and insulated conductor and insulating optical fiber structure according to inside heating circle, using different controlling parties
Method:
1), heating circle in inside is non-insulated conductor structure:
Non- heating state:
Earthing switch (19) short circuit, power switch (20) open circuit；
Heating state:
Earthing switch (19) open circuit, power switch (20) short circuit
2), heating circle in inside is insulated electric conductor structure and insulating optical fiber structure:
Non- heating state:
Earthing switch (19) short circuit, power switch (20) open circuit；All A end switch short circuits, all B end switch short circuits；
Heating state
Earthing switch (19) open circuit, power switch (20) short circuit；
And the resistance by there is the switch state adjustment inside heating circle of A end switch and B end switch switch；
The short circuit of all A end switch, when all B end switch short circuits, the resistance of inside heating circle is RN；
A end switch 1 (24-1) open circuit, other A end switch short circuit, when all B end switch short circuits, the resistance of inside heating circle is
3RN；
A end switch 1 (24-1), A end switch 2 (24-2) open circuit, other A end switch short circuits, B end switch 1 (25-1) open circuit, other
When B end switch short circuit, the resistance of inside heating circle is 5RN；
The A end switch open circuit that A end switch 1 (24-1), A end switch 2 (24-2), No. 6 ends insulated conductor A connect, other A end switch
Short circuit, B end switch 1 (25-1), B end switch 2 (25-2) open circuit, when other B end switch short circuits, the resistance of inside heating circle is
7RN；
……
A end switch 1 (24-1), A end switch 2 (24-2) ... A end switch k-1 (24-k-1) open circuit, A end switch k short circuit, B
End switch 1 (25-1), B end switch 2 (25-2) ... B end switch k-2 (25-k-2) open circuit, B open at end k-1 (25-k-1) close it is short
The resistance of Lu Shi, inside heating circle are (2k-1) RN；
All A end switch open circuits, when all B end switch are opened a way, the resistance of inside heating circle is (2k+1) RN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811194176.XA CN109149493B (en) | 2018-10-12 | 2018-10-12 | Heating control equipment and control method for multi-strand insulation self-heating overhead ground wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811194176.XA CN109149493B (en) | 2018-10-12 | 2018-10-12 | Heating control equipment and control method for multi-strand insulation self-heating overhead ground wire |
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