CN108366442B - Self-made heat conductor heating equipment embedded with insulating heat conducting material and implementation method thereof - Google Patents

Self-made heat conductor heating equipment embedded with insulating heat conducting material and implementation method thereof Download PDF

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Publication number
CN108366442B
CN108366442B CN201810370549.8A CN201810370549A CN108366442B CN 108366442 B CN108366442 B CN 108366442B CN 201810370549 A CN201810370549 A CN 201810370549A CN 108366442 B CN108366442 B CN 108366442B
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power
winding
icing
power transmission
switch circuit
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CN108366442A (en
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莫思特
***
刘天琪
李碧雄
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Sichuan University
Shenzhen University
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Sichuan University
Shenzhen University
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    • 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
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • 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

Abstract

Self-made heat conductors embedded with insulating heat conducting materials, heating equipment and realization methods thereof. The self-made heat conductor is a coaxial cable structure and comprises an outer conductor, an insulating heat conducting material and an inner conductor. The insulating heat conducting material is a material with good heat conduction and insulating capability. The insulating heat conducting material surrounds the outer side of the inner conductor, completely surrounds the outer periphery of the inner conductor and completely separates the inner conductor from the outer conductor. The heating equipment comprises a power transmission end heating equipment and a power receiving end heating equipment. The power transmission end heating equipment is connected with a load through a power transmission end steel core to realize anti-icing and deicing operation. The invention effectively utilizes the heat of the self steel core resistor, and has low cost and good effect. The ice melting and anti-icing is implemented under the control of the control center, so that online anti-icing and ice melting can be realized when the high-voltage transmission line works, and the safety of electric equipment is ensured.

Description

Self-made heat conductor heating equipment embedded with insulating heat conducting material and implementation method thereof
1. The invention relates to the technical field of wire anti-icing and deicing, in particular to a self-made heat conductor embedded with an insulating heat conducting material, heating equipment and a preparation method thereof.
2. Background art
In cold winter, lines of electric power, communication and the like in a plurality of areas can be frozen, so that the lines are damaged. When icing exceeds the tolerance of the line, serious accidents such as broken lines and the like can occur. Therefore, deicing of the electric power line or other lines in winter is indispensable, and very important. As the demands for national power, communication, etc. lines continue to increase with the development of social economy, the demands for exposed lines, particularly power lines, are increasing under the environment of increasing power load applications. Wire ice melting technology in the prior art is continuously developed. But all existing self-melting ice wires need to be added with a material that can be heated by a power source,
application number: the CN201210395025.7 patent of the invention, namely a novel low-temperature infrared heating automatic deicing lightning conductor, combines an auxiliary heating wire made of a novel conductive polyester fiber capable of generating low-temperature infrared heat energy with a common lightning conductor and is hinged at the center of a steel strand. The auxiliary power supply is loaded on the auxiliary heating wire, and the auxiliary heating wire generates low-temperature infrared heat energy to raise the temperature of the steel strand, so as to achieve the purpose of preventing or automatically removing ice coating. The lead wire manufactured by the method is inconvenient to divide into any lengths during use, and the conductor of the heating power supply used for heating is a special heating conductor, so that the lead wire is not easy to maintain.
Application number: in the patent of CN201510400177.5, the deicing carbon fiber high-low voltage overhead cable comprises a high-voltage cable, wherein the high-voltage cable consists of an internal high-voltage cable and an insulating layer on the surface, and a carbon fiber heating wire is arranged on the surface of the insulating layer of the high-voltage cable. Through set up the carbon fiber heating wire that can electrify the fever on high tension cable surface, utilize carbon fiber to convert the electric energy into heat to guarantee the normal operating of high tension cable in severe cold district or winter. However, the wire manufactured by the method is inconvenient to divide into any lengths during use, and the conductor of the heating power supply used for heating is a special heating conductor, so that the wire is not easy to maintain.
Patent number: in the patent of ZL201621095490.9, a self-deicing conductor and deicing equipment thereof are adopted, the self-deicing conductor adopts a coaxial cable form by adopting a method of adopting a conductor structure as a heating power conductor, the self-deicing conductor comprises an outer conductor, an insulating heat-conducting material and an inner conductor, and the deicing equipment is directly connected to the inner conductor and the outer conductor of the self-deicing conductor. The insulating heat conducting material is heating material with positive temperature coefficient effect and is set between the inner conductor and the outer conductor to isolate the inner conductor and the outer conductor completely. The automatic ice melting equipment consists of a transformer, a switch circuit, a microprocessor, a communication module and an icing sensing module. The microprocessor is connected with the communication module, the icing sensing module and the switch circuit, receives control signals of the communication module, transmits data to the communication module, receives data of the icing sensing module, and the control center controls the operation of the automatic ice melting equipment through the communication module. The invention carries out ice melting under the control of the control center, can avoid the situation of needing power failure and serious line faults when the ice is melted on the high-voltage transmission line, and greatly improves the existing ice melting technology. But still requires embedding the heat generating material.
The existing self-melting ice wire manufacturing methods all need to use heating materials, the heating materials are high in cost, and uniform heating is difficult to realize, so that the existing self-melting ice wire is high in production cost and nonuniform in heating.
3. Summary of the invention
The invention aims to provide anti-icing and ice-melting equipment and method by using an insulating heat-conducting material to replace a heating material and using resistance heating of a steel core to heat a power transmission wire to heat the power transmission wire aiming at the high requirements and high manufacturing cost of the existing self-heating wire embedded with the heating material. Compared with the method for embedding the insulating heat-conducting material, the method has the advantages of lower cost, more uniform heating power, better ice melting effect, and simpler and more reliable processing and manufacturing.
The aim of the invention is achieved in that: the self-made heat conductor is a coaxial cable structure and comprises an outer conductor, an insulating heat conducting material and an inner conductor. The insulating heat conducting material is a material with good heat conduction and insulating capability. The insulating heat conducting material surrounds the outer side of the inner conductor, completely surrounds the outer periphery of the inner conductor, completely isolates the inner conductor from the outer conductor, and avoids the short circuit of the inner conductor and the outer conductor.
The heating devices are two kinds, namely a power transmission end heating device and a power receiving end heating device.
The power transmission end heating equipment comprises an anti-icing and deicing power transmission device, a first switch circuit, a second switch circuit, a third switch circuit, a microprocessor, a communication module and a conductor icing sensing module. The heating equipment adds alternating current or direct current between the outer conductor and the inner conductor of the self-made heat conductor through the output of the anti-icing and deicing power transmission device.
The power transmission power supply is connected with the anti-icing and deicing power transmission device, and the anti-icing and deicing power transmission device has two paths of output, one path is power transmission power output, and the other path is deicing power output. The power transmission power output is directly connected with the outer conductor and is connected with the inner conductor through the first switch circuit, and the ice melting power output is connected with the inner conductor through the second switch circuit. One end of the first switch circuit is connected with the inner conductor, and the other end of the first switch circuit is connected with the transmission power output end of the anti-icing and deicing transmission device. One end of the second switch circuit is connected with the inner conductor, and the other end of the second switch circuit is connected with the ice melting power output end of the anti-ice melting power transmission device. Only one of the first switch circuit and the second switch circuit is conducted at any time: during normal power transmission, the first switch circuit is turned on, the second switch circuit is turned off, and during power transmission and anti-icing and deicing operation, the second switch circuit is turned on, and the first switch circuit is turned off. The third switching circuit is connected to the inner conductor and the outer conductor at the power receiving end and is always turned on.
The control center controls the operation of the heating equipment through the communication module: the communication module is connected with the microprocessor and is used for transmitting control commands of the control center to the microprocessor and transmitting data of the microprocessor to the control center. The microprocessor is connected with the communication module, the icing sensing module, the first switch circuit, the second switch circuit and the third switch circuit, receives control signals of the communication module, transmits data to the communication module, receives data of the icing sensing module, and controls the switch circuit to be turned on and off according to the data of the icing sensing module and a control center command sent by the communication module. The icing sensing module is connected with the microprocessor and sends sensing data to the microprocessor.
Power receiving end heating apparatus: the power receiving end heating equipment is divided into two kinds of heating equipment adopting a conventional transformer and heating equipment adopting an anti-icing and deicing load transformer.
The power receiving end heating equipment adopting the conventional transformer consists of a fifth switch circuit, a sixth switch circuit, a power receiving microprocessor, a power receiving communication module, a power receiving conductor icing sensing module and a steel core load transformer. The inner conductor and the outer conductor of the power transmission end are connected in a short circuit and connected to the output of the power transmission power supply. The outer conductor of the power receiving end is connected to an aluminum stranded wire load transformer, and a secondary winding of the aluminum stranded wire load transformer is connected with an electric load. The power receiving end inner conductor is connected with the fifth switching circuit and the sixth switching circuit. One end of the fifth switching circuit is connected with the inner conductor, the other end of the fifth switching circuit is connected with the aluminum stranded wire load transformer, one end of the sixth switching circuit is connected with the inner conductor, and the other end of the sixth switching circuit is connected with the steel core load transformer. Only one of the fifth switch circuit and the sixth switch circuit is turned on at any time: and when the power transmission and the anti-icing and deicing operation are carried out at the same time, the sixth switching circuit is conducted, and the fifth switching circuit is disconnected.
The power receiving end heating equipment adopting the anti-icing and deicing load transformer consists of a fifth switch circuit, a sixth switch circuit, a power receiving microprocessor, a power receiving communication module, a power receiving conductor icing sensing module and an anti-icing and deicing power transmission load transformer. The inner conductor and the outer conductor of the power transmission end are connected in a short circuit and connected to the output of the power transmission power supply. The outer conductor of the power receiving end is connected to an aluminum stranded wire winding of the anti-icing and deicing load transformer, and a secondary winding of the anti-icing and deicing load transformer is connected with an electric load. The power receiving end inner conductor is connected with the fifth switching circuit and the sixth switching circuit. One end of the fifth switching circuit is connected with the inner conductor, the other end of the fifth switching circuit is connected with an aluminum stranded wire winding of the anti-icing and deicing load transformer, one end of the sixth switching circuit is connected with the inner conductor, and the other end of the sixth switching circuit is connected with a steel core winding of the anti-icing and deicing load transformer. Only one of the fifth switch circuit and the sixth switch circuit is turned on at any time: and when the power transmission and the anti-icing and deicing operation are carried out at the same time, the sixth switching circuit is conducted, and the fifth switching circuit is disconnected.
The control center controls the operation of the heating equipment through the power receiving communication module: the power receiving communication module is connected with the power receiving microprocessor and is used for transmitting a control command of the control center to the power receiving microprocessor and transmitting data of the power receiving microprocessor to the control center. The power receiving microprocessor is connected with the power receiving communication module, the power receiving icing sensing module, the fifth switching circuit and the sixth switching circuit, receives control signals of the power receiving communication module, transmits data to the power receiving communication module, receives data of the power receiving icing sensing module, and controls the switching circuit to be on and off according to the data of the power receiving icing sensing module and a control center command sent by the power receiving communication module. The power-on icing sensing module is connected with the power-on microprocessor and sends sensing data to the power-on microprocessor.
The anti-icing and deicing power transmission device comprises two different anti-icing and deicing power transmission devices which adopt alternating current power transmission-alternating current power supply heating and direct current power transmission-alternating current power supply heating, and any one of the anti-icing and deicing power transmission devices is adopted when the anti-icing and deicing power transmission device is used.
An anti-icing and deicing power transmission device for alternating-current power transmission-alternating-current power supply heating:
the anti-icing and deicing power transmission device for alternating current power transmission-alternating current power supply heating comprises a common alternating current power transmission-alternating current power supply heating device and an auto-coupling heating device.
The common alternating current transmission-alternating current power supply heating device is a three-winding transformer. Comprising a primary winding AB, two secondary windings CD and DE. The two secondary windings are short-circuited at the junction D and form a series arrangement. The secondary winding DE is a power transmission winding, and the secondary winding CD is an ice melting winding.
The secondary winding of the common alternating current transmission-alternating current power supply heating device has two connection modes: and sharing the connection mode of the ice melting winding and the connection mode of the independent ice melting winding.
The self-coupling heating device is divided into a high-voltage low-voltage self-coupling alternating current transmission-alternating current power supply heating device and a low-voltage high-voltage self-coupling alternating current transmission-alternating current power supply heating device.
The high-voltage low-voltage self-coupling alternating current transmission-alternating current power supply heating device is added with a low-voltage tap based on a conventional self-coupling transformer, wherein an input tap is represented by A, a low-voltage tap is represented by C, a low-voltage tap is represented by D, and a high-voltage low-voltage self-coupling public end is represented by E. The windings between CDs are ice melting windings, and the windings between DE are power transmission windings.
The low-voltage-to-high-voltage auto-coupling type alternating current transmission-alternating current power supply heating device is added with a tap based on a conventional auto-transformer, an input tap is represented by F, a high-voltage tap is represented by J, a high-voltage tap is represented by I, an input tap and an output tap are provided with auto-coupling common ends, an input tap is represented by G, an output tap is represented by H, a winding between IJ is called an ice melting winding, and a winding between IH is called a transmission winding.
The secondary winding of the high-voltage low-voltage self-coupling alternating-current transmission-alternating-current power supply heating device has two connection modes: and sharing the connection mode of the ice melting winding and the connection mode of the independent ice melting winding.
The secondary winding of the low-voltage to high-voltage self-coupling type alternating current transmission-alternating current power supply heating device has two connection modes: and sharing the connection mode of the ice melting winding and the connection mode of the independent ice melting winding.
An anti-icing and deicing power transmission device adopting direct-current power transmission-alternating-current power supply for heating is adopted:
the anti-icing and deicing power transmission device for direct-current power transmission-alternating-current power supply heating consists of a capacitor and an inductor. One end of the inductor is in short circuit connection with the direct current transmission rectifier, and the other end of the inductor is in short circuit connection with the capacitor. One end of the inductor, which is in short circuit connection with the rectifier, is ice melting power output and is connected to the second switching circuit. One end of the short circuit connection of the inductor and the capacitor is connected with the outer conductor in a short circuit manner and is connected to the first switching circuit in a short circuit manner.
The anti-icing and deicing load transformer is formed by transforming three windings, namely an aluminum stranded wire load winding, a steel core load winding and a power receiving output winding. The aluminum stranded wire load winding and the steel core load winding are primary side windings, the aluminum stranded wire load winding is connected with the outer conductor of the power receiving end of the self-made heat conducting wire and is connected with the inner conductor of the power receiving end of the self-made heat conducting wire through a switch circuit, and the steel core load winding is connected with the inner conductor of the power receiving end of the self-made heat conducting wire through the switch circuit. The power receiving output winding is connected with a power receiving end load.
In two connection modes of the secondary winding of the common alternating current power transmission-alternating current power supply heating device,
the connection mode of the shared ice melting winding is as follows:
the primary winding AB is connected with a power transmission power supply, the power transmission winding DE and the deicing winding CD in the secondary winding are connected in series, and the series point D is a deicing power output end and is connected to the inner conductor through a second switch circuit. The end CD of the ice melting winding is a transmission power output end, is connected to the outer conductor in a short circuit mode, is connected to the first switch circuit in a short circuit mode, and is connected with the transmission winding DE in a short circuit mode. The power transmission winding DE D end is short-circuited to the DE-icing winding CD, and the E end is connected to ground. The ice melting winding CD realizes an ice melting function, and the ice melting winding CD and the power transmission winding DE jointly realize a power transmission function.
The connection mode of the independent ice melting winding is as follows: the primary winding AB is connected with a power transmission power supply, the power transmission winding DE and the ice melting winding CD in the secondary winding are connected in series, the series point D is a power transmission power output end, and the power transmission power output end is connected with an outer conductor in a short circuit mode and connected with a first switch circuit in a short circuit mode. The E end of the power transmission winding DE is connected to the ground, the C end of the ice melting winding CD is an ice melting power output end, the C end of the ice melting winding CD is connected with the second switching circuit in a short circuit mode, and the D end of the ice melting winding CD is connected with the power transmission winding DE in a short circuit mode. The ice melting winding only has the ice melting function, and the power transmission winding only has the power transmission function.
The secondary winding of the self-coupling heating device of the high-voltage low-voltage self-coupling alternating-current transmission-alternating-current power supply has two connection modes:
sharing the connection mode of the ice melting winding:
the primary winding AB is connected to the input power supply and the high-voltage to low-voltage autotransformer common is connected to ground. The low-voltage tap C is a transmission power output end, is connected with the first switch circuit in a short circuit mode, and is connected with the outer conductor in a short circuit mode. And the low-voltage tap II D is an ice melting power output end and is in short circuit connection with the second switch circuit. The DE-icing winding CD takes on the DE-icing power and the transmission power, and the DE-transmission winding only takes on the transmission power.
The connection mode of the independent ice melting winding is as follows: the primary winding AB is connected to the input power supply and the high-voltage to low-voltage autotransformer common is connected to ground. The low-voltage tap C is an ice melting power output end and is connected with the second switch circuit in a short circuit mode. And the low-voltage tap II D is a transmission power output end, is connected with the first switch circuit in a short circuit manner, and is connected with the outer conductor in a short circuit manner. The ice-melting winding CD bears ice-melting power, and the power transmission winding DE bears power.
The secondary winding in the low-voltage-to-high-voltage self-coupling alternating-current transmission-alternating-current power supply heating device of the self-coupling heating device has two connection modes:
sharing the connection mode of the ice melting winding: FG is connected to an input power supply and the low-to-high voltage auto-couple common G is connected to ground. The second high-voltage tap I is an ice melting electric power output end and is connected with the second switch circuit in a short circuit mode. The high-voltage tap J is a transmission power output end, is connected with the first switch circuit in a short circuit mode, and is connected with the outer conductor in a short circuit mode. The ice melting winding bears ice melting power and transmission power at the same time, and the transmission winding bears transmission power.
The connection mode of the independent ice melting winding is as follows: FG is connected to an input power supply and the low-to-high voltage auto-couple common G is connected to ground. The second high-voltage tap I is a transmission electric power output end, is connected with the first switch circuit in a short circuit mode, and is connected with the outer conductor in a short circuit mode. And the high-voltage tap J is an ice melting power output end and is connected with the second switch circuit in a short circuit manner. The ice melting winding bears ice melting power, and the power transmission winding bears power transmission.
The self-made heat conductor is characterized in that the self-made heat conductor is a single metal wire, and the metal material is one of a steel wire or a galvanized steel wire or an aluminum clad steel core wire or a metal tube embedded with an optical fiber. The outer conductor is a metal stranded wire made of 6 or 12 or 18 or other metal wires, and the metal material is one of an aluminum wire or an aluminum alloy wire or an aluminum clad steel core wire or a metal tube embedded with an optical fiber.
The control program of the microprocessor in the power transmission end heating equipment is as follows:
the first step: the third switching circuit is shorted. And receiving a control center command through a communication module.
And a second step of: analyzing the control center command, is heating started? If yes, go to the seventh step. And if not, entering a third step.
And a third step of: analyzing the control center command, is heating ended? And (3) entering a sixth step. And if not, entering a fourth step.
Fourth step: analyzing the control center command, is the switching circuit controlled by the icing sensing template? And if yes, entering a fifth step. And if not, entering the first step.
Fifth step: determine if ice sensing module finds ice? No ice: and (3) entering a sixth step. Ice is present and the seventh step is entered.
Sixth step: the first switching circuit is shorted. The second switching circuit is opened and enters the first step.
Seventh step: the second switching circuit is shorted. The first switching circuit is opened and enters the first step.
The control program of the microprocessor in the power receiving end heating equipment is as follows:
the first step: and receiving a control center command through a communication module.
And a second step of: analyzing the control center command, does ice melting begin? If yes, go to the seventh step. And if not, entering a third step.
And a third step of: analyzing the control center command, is ice melting ended? And (3) entering a sixth step. And if not, entering a fourth step.
Fourth step: analyzing the control center command, is the switching circuit controlled by the icing sensing template? And if yes, entering a fifth step. And if not, entering the first step.
Fifth step: determine if ice sensing module finds ice? No ice: and (3) entering a sixth step. Ice is present and the seventh step is entered.
Sixth step: the fifth switching circuit is shorted. The sixth switching circuit is opened and the first step is entered.
Seventh step: the sixth switching circuit is shorted. The fifth switching circuit is opened and enters the first step.
The invention has the positive effects that:
1. for the self-heating wire embedded with heating materials, the requirement on the heating materials is high, the manufacturing cost is high, the heating is uneven, and the heating values at different positions are different. Compared with the method of embedding the heating material, the invention has lower cost, uniform heating and same heating value at different positions. The heating equipment adopts two modes of power transmission end heating equipment and power receiving end heating equipment, the power transmission end heating equipment adds alternating current or direct current between the outer conductor and the inner conductor of the self-made heat conductor through the output power supply of the anti-icing and deicing transmission device to realize anti-icing and deicing, and the power receiving end heating equipment is connected with a load through a power receiving end steel core to realize anti-icing and deicing work, so that the effect is obvious.
2. By adopting the technology, the anti-icing and deicing can be implemented when the high-voltage power transmission line works, the situation that the current anti-icing and deicing needs to be powered off and deicing is avoided, uninterrupted work of the high-voltage power transmission line is facilitated, the power transmission reliability of the power transmission line is facilitated, and the safety of electric equipment is ensured.
3. The invention can realize anti-icing and deicing through heating under the control of the control center, can automatically judge whether the power transmission line is frozen or not, and automatically deicing at any time, and can avoid the working state of the high-voltage overhead power transmission line from being frozen, thereby being beneficial to the safe and reliable work of the power transmission line.
4. The self-made heat conductor can realize the function of preventing the wire from icing through heating, can be widely applied to various circuits needing anti-icing and ice-melting, and is reliable to use.
5. Any length can be divided according to the needs, and the use is convenient.
4. Description of the drawings
Fig. 1 is a schematic perspective view of a self-made thermal conductor structure.
Fig. 2 is a schematic diagram of a self-made thermal conductor structure.
Fig. 3 is a schematic diagram of a structure in which 6 metal wires are used as the outer conductor of the self-made heat conductor.
Fig. 4 is a schematic diagram of a self-made heat conductor with 18 metal wires as the outer conductor.
FIG. 5 is a block diagram showing the construction of a self-heating apparatus.
Fig. 6 is a schematic structural diagram of a conventional ac power transmission-ac power heating device.
Fig. 7 is a diagram showing a connection mode of the common type ac power transmission-ac power heating device sharing the ice-melting winding.
Fig. 8 is a diagram of a connection mode of independent ice melting windings of a common type ac power transmission-ac power heating device.
Fig. 9 is a schematic structural diagram of a high-voltage low-voltage auto-coupled ac power transmission-ac power heating device.
Fig. 10 is a diagram of a connection mode of the high-voltage low-voltage self-coupling type ac power transmission-ac power supply heating device sharing the ice-melting winding.
Fig. 11 is a diagram of a connection mode of the independent ice melting winding of the high-voltage low-voltage self-coupling ac power transmission-ac power supply heating device.
Fig. 12 is a schematic structural diagram of a low-voltage to high-voltage auto-coupled ac power transmission-ac power heating device.
Fig. 13 is a diagram of a connection mode of the low-voltage to high-voltage self-coupling type ac power transmission-ac power heating device sharing the ice-melting winding.
Fig. 14 is a diagram showing a connection mode of the independent ice melting winding of the low-voltage to high-voltage self-coupling ac power transmission-ac power supply heating device.
Fig. 15 is a schematic structural diagram of an anti-icing and de-icing power transmission device using dc power transmission-ac power for heating.
Fig. 16 is a schematic diagram of a switching circuit configuration.
Fig. 17 is a schematic diagram of a microprocessor single-chip microcomputer.
Fig. 18 is a schematic diagram of the microprocessor RS232 interface.
Fig. 19 is a circuit diagram of a five volt to three volt power conversion.
Fig. 20 is a circuit diagram of a three volt to two volt power conversion.
Fig. 21 is a JTAG circuit diagram.
Fig. 22 is a control flow chart of the microprocessor in the power transmitting-side heating apparatus.
Fig. 23 is a block diagram of a heating apparatus in which a power receiving-end heating apparatus employs a conventional transformer.
Fig. 24 is a block diagram of a heating apparatus using an anti-ice and ice-melting load transformer as a power receiving-side heating apparatus.
Fig. 25 is a schematic diagram of an anti-icing and de-icing load transformer configuration.
Fig. 26 is a control flow chart of a microprocessor in the power receiving-end heating apparatus.
In the figure, 1 outer conductor, 2 insulating heat conducting material, 3 inner conductor, 6 metal wires with 4-1,4-2,4-3,4-4,4-5,4-6 as outer conductor, 6 metal wires with 5-1,5-2,5-3,5-4,5-5,5-6 as inner conductor 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 as 12 metal wires of outer conductor ring, 17 input power source, 18 anti-icing and deicing device, 19-1 first switch circuit, 19-2 second switch circuit, 19-3 third switch circuit, 19-5 fifth switch circuit, 19-6 sixth switch circuit, 20 self-made conductor, 21 communication module, 22 microprocessor, 23 icing induction module, 24 common alternating current power source heating device, 25 primary winding, 26 power transmission winding, 27 ice melting winding, 28 low voltage tap I, 29 low voltage tap II, 30 high voltage low voltage self-coupling AC power transmission-AC power supply heating device, 31 input tap, 32 high voltage low voltage self-coupling public terminal, 33 input tap I (also called low voltage high voltage self-coupling public terminal) in low voltage high voltage self-coupling AC power transmission-AC power supply heating device, 34 input tap II in low voltage high voltage self-coupling AC power transmission-AC power supply heating device, 35 high voltage tap II in low voltage high voltage self-coupling AC power transmission-AC power supply heating device, 36 high voltage tap I in low voltage high voltage self-coupling AC power transmission-AC power supply heating device, the device comprises a 37 low-voltage-to-high-voltage self-coupling alternating-current power transmission-alternating-current power supply heating device, a 38 direct-current power transmission-alternating-current power supply heating anti-icing and deicing power transmission device, a 39 capacitor, a 40 inductor, a 61 aluminum stranded wire load transformer, a 62 steel core load transformer, a 63 anti-icing and deicing load transformer, a 64 steel core load winding, a 65 aluminum stranded wire load winding, a 66 power receiving output winding, a 71 power receiving communication module, a 72 power receiving microprocessor, a 73 power receiving conductor icing induction module, a 98 deicing power output end and a 99 power transmission power output end.
5. Detailed description of the preferred embodiments
The invention utilizes the self-made heat conductor embedded with the insulating heat conducting material and the heating equipment to complete the anti-icing and deicing work, and the heating equipment is connected to the self-made heat conductor from the power transmission end or the power receiving end.
Example 1.
And (3) using a power transmission end heating device to finish anti-icing and ice melting on the self-made heat conductor embedded with the insulating heat conducting material.
See fig. 1 and 2.
The self-made heat conductor is a coaxial cable and comprises an outer conductor 1, an insulating heat conducting material 2 and an inner conductor 3; the insulating heat conducting material is a material with good heat conduction and insulating capability. The embodiment adopts a heat conduction insulating material produced by the compound fertilizer middle navigation nanometer technology development limited company: model: ZH-HCM-A.
The insulating heat conducting material 2 surrounds the outer side of the inner conductor, completely surrounds the outer periphery of the inner conductor, completely isolates the inner conductor from the outer conductor, and avoids the short circuit of the inner conductor and the outer conductor. When alternating current or direct current is added between the inner conductor and the outer conductor, the steel core resistor converts electric energy into heat energy, so that the temperature of the conductor is increased, and ice outside the conductor is heated and melted.
The inner conductor is cylindrical metal. The inner conductor is a single wire, and the wire material is metal or alloy or a metal tube embedded with optical fibers; the inner conductor is a metal stranded wire, and the stranded wire is metal or alloy. The stranded wire comprises one or more metal tubes with optical fibers embedded therein. The inner conductor is made of a material with higher resistivity.
The outer conductor is a metal or alloy surrounding the outer side of the insulating heat conducting material, is a metal pipe or alloy pipe, or is a metal stranded wire or alloy stranded wire. The stranded wire is formed by a metal tube containing one or more embedded optical fibers.
For the transmission wire, the inner conductor is the innermost steel core of the reinforced aluminum stranded wire designed according to the regulations of the national standard aluminum stranded wire and the reinforced aluminum stranded wire (GB 1179) of the people's republic of China, or is a doped steel core material with higher resistivity and higher strength than the steel core. The outer conductor is an aluminum stranded wire or an aluminum stranded wire of an outer layer of a reinforced aluminum stranded wire or other wires with lower resistivity than the aluminum stranded wire, which can be designed according to the specification of the national standard aluminum stranded wire and the reinforced aluminum stranded wire (GB 1179) of the people's republic of China.
See fig. 3 and 4.
The inner conductor is a single metal wire, and the metal material can be one of steel wires, galvanized steel wires, aluminum clad steel core wires and metal tubes embedded with optical fibers. The outer conductor is a metal stranded wire made of 6 or 12 or 18 or other metal wires, and the metal material can be one of an aluminum wire, an aluminum alloy wire, an aluminum clad steel core wire and a metal tube embedded with an optical fiber.
The schematic diagram of the stranded wire structure of the outer conductor with 6 metal wires is shown in fig. 3.4-1,4-2,4-3,4-4,4-5,4-6 are 6 metal wires of the outer conductor.
The structure of the stranded wire with 18 metal wires as the outer conductor is schematically shown in fig. 4.5-1,5-2,5-3,5-4,5-5,5-6 are 6-1,6-2,6-3,6-4,6-5,6-6,6-7,6-8,6-9,6-10,6-11,6-12 of the outer conductor inner ring and 12 of the outer conductor outer ring.
See fig. 5.
Power transmission end heating equipment: the anti-icing and deicing power transmission device 18 comprises a first switch circuit 19-1, a second switch circuit 19-2, a third switch circuit 19-3, a microprocessor 22, a communication module 21 and a conductor icing sensing module 23. The heating equipment adds alternating current or direct current between the outer conductor 1 and the inner conductor 3 of the self-made heat conductor through the output of the anti-icing and deicing power transmission device.
The power transmission source is connected with the anti-icing and de-icing power transmission device 18, and the anti-icing and de-icing power transmission device has two paths of output, one path is power transmission power output 99, and the other path is de-icing power output 98. The transmission power output is directly connected with the outer conductor 1 and is connected with the inner conductor 3 through the first switch circuit 19-1, and the deicing power output is connected with the inner conductor through the second switch circuit 19-2. One end of the first switch circuit 19-1 is connected with the inner conductor, and the other end is connected with the transmission power output end of the anti-icing and deicing transmission device. One end of the second switch circuit 19-2 is connected with the inner conductor, and the other end is connected with the ice melting power output end of the anti-ice melting power transmission device. At any time only one of the first switch circuit 19-1 and the second switch circuit 19-2 is turned on: during normal power transmission, the first switch circuit 19-1 is turned on, the second switch circuit 19-2 is turned off, and during power transmission and anti-icing and deicing operations, the second switch circuit 19-2 is turned on, and the first switch circuit 19-1 is turned off. The third switch circuit 19-3 is connected to the inner conductor and the outer conductor at the power receiving end, and is always turned on.
The control center controls the operation of the heating equipment through the communication module 21: the communication module 21 is connected to the microprocessor 22 for transmitting control commands of the control center to the microprocessor and transmitting data of the microprocessor to the control center. The microprocessor is connected with the communication module 21, the icing sensing module 23, the first switch circuit 19-1, the second switch circuit 19-2 and the third switch circuit 19-3, receives control signals of the communication module 21, transmits data to the communication module, receives data of the icing sensing module 23, and controls the switch circuit to be turned on and off according to the data of the icing sensing module and a control center command sent by the communication module. The icing sensing module 23 is connected to the microprocessor 22 and sends sensed data to the microprocessor.
The communication module adopts an optical fiber communication module or a wireless transmission communication module.
The embodiment adopts a wireless transmission communication module: beijing Mi communications equipment Co., ltd: g300 type GSM data transmission module. G300 The GSM data transmission module interface is connected with the microprocessor RS232 interface.
The icing sensing module adopts an on-line icing monitoring system of a GD-FB power transmission circuit produced by the electric power equipment limited company of the Wuhan country. The monitoring data is sent to the microprocessor.
See fig. 6-14.
The anti-icing and deicing power transmission means 18 comprises two different anti-icing and deicing power transmission means, i.e. heating by using an alternating current power transmission-alternating current power supply and heating by using a direct current power transmission-alternating current power supply, and any one of the anti-icing and deicing power transmission means is used.
The anti-icing and deicing power transmission device for alternating current power transmission-alternating current power supply heating comprises a common alternating current power transmission-alternating current power supply heating device and an auto-coupling heating device.
The common alternating current transmission-alternating current power supply heating device is a three-winding transformer. Comprising a primary winding AB, two secondary windings CD and DE. The two secondary windings are short-circuited at the junction D and form a series arrangement. The secondary winding DE is a power transmission winding, and the secondary winding CD is an ice melting winding.
The secondary winding of the common alternating current transmission-alternating current power supply heating device has two connection modes: and sharing the connection mode of the ice melting winding and the connection mode of the independent ice melting winding.
The connection mode of the shared ice melting winding is as follows:
the primary winding AB 25 is connected with a power transmission source, the power transmission winding DE 26 and the deicing winding CD 27 in the secondary winding are connected in series, the series point D is a deicing power output end, and the deicing power output end is connected to the inner conductor 3 through the second switch circuit 19-2. The end of the ice-melting winding CD 27C is a transmission power output end, is connected to the outer conductor 1 in a short-circuit mode, is connected to the first switch circuit 19-1 in a short-circuit mode, and is connected with the transmission winding DE 26 in a short-circuit mode. The power winding DE 26D is shorted to the DE ice-melt winding CD 27 and the E terminal is connected to ground. The ice melting winding CD 27 realizes an ice melting function, and the ice melting winding CD 27 and the power transmission winding DE 26 jointly realize a power transmission function.
The connection mode of the independent ice melting winding is as follows: the primary winding AB25 is connected with a power transmission source, the power transmission winding DE 26 and the ice melting winding CD 27 in the secondary winding are connected in series, the series point D is a power transmission output end, and the power transmission source is connected to an outer conductor in a short circuit mode and connected to the first switch circuit 19-1 in a short circuit mode. The end of the power transmission winding DE 26E is connected to the ground, the end of the ice melting winding CD 27C is an ice melting power output end, the second switch circuit 19-2 is connected in a short circuit mode, and the end D is connected with the power transmission winding DE 26 in a short circuit mode. The ice melting winding only has the ice melting function, and the power transmission winding only has the power transmission function.
The self-coupling heating device is divided into a high-voltage low-voltage self-coupling alternating current transmission-alternating current power supply heating device and a low-voltage high-voltage self-coupling alternating current transmission-alternating current power supply heating device.
The high-voltage low-voltage self-coupling alternating current transmission-alternating current power supply heating device is added with a low-voltage tap based on a conventional self-coupling transformer, wherein an input tap is represented by A, a low-voltage tap is represented by C, a low-voltage tap is represented by D, and a high-voltage low-voltage self-coupling public end is represented by E. The windings between CDs are ice melting windings, and the windings between DE are power transmission windings.
The low-voltage-to-high-voltage auto-coupling type alternating current transmission-alternating current power supply heating device is added with a tap based on a conventional auto-transformer, an input tap is represented by F, a high-voltage tap is represented by J, a high-voltage tap is represented by I, an input tap and an output tap are provided with auto-coupling common ends, an input tap is represented by G, an output tap is represented by H, a winding between IJ is called an ice melting winding, and a winding between IH is called a transmission winding.
The secondary windings in the high-voltage low-voltage self-coupling alternating-current power transmission-alternating-current power supply heating device of the self-coupling heating device are connected in two ways, namely a shared ice-melting winding connection way and an independent ice-melting winding connection way.
Sharing the connection mode of the ice melting winding:
the primary winding AB is connected to the input power supply and the high-voltage to low-voltage auto-couple common 32 is connected to ground. The low voltage tap C28 is a transmission power output end, is in short circuit connection with the first switch circuit 19-1 and is in short circuit connection with the outer conductor. The low-voltage tap two D29 is an ice melting power output end and is in short circuit connection with the second switch circuit 19-2. The DE-icing winding CD takes on the DE-icing power and the transmission power, and the DE-transmission winding only takes on the transmission power.
The connection mode of the independent ice melting winding is as follows: the primary winding AB is connected to the input power supply and the high-voltage to low-voltage auto-couple common 32 is connected to ground. The low voltage tap C28 is the ice melting power output end and is in short circuit connection with the second switch circuit 19-2. The low-voltage tap two D29 is a transmission power output end, is in short-circuit connection with the first switch circuit 19-1 and is in short-circuit connection with an outer conductor. The ice-melting winding CD bears ice-melting power, and the power transmission winding DE bears power.
The secondary windings in the low-voltage-to-high-voltage self-coupling alternating-current power transmission-alternating-current power supply heating device of the self-coupling heating device are connected in two ways, namely a shared ice-melting winding connection way and an independent ice-melting winding connection way.
Sharing the connection mode of the ice melting winding: FG is connected to an input power supply and the low-to-high voltage auto-couple common G is connected to ground. The second high-voltage tap I is an ice melting electric power output end and is in short circuit connection with the second switch circuit 19-2. The high-voltage tap J is a transmission power output end, is in short-circuit connection with the first switch circuit 19-1 and is in short-circuit connection with an outer conductor. The ice melting winding bears ice melting power and transmission power at the same time, and the transmission winding bears transmission power.
The connection mode of the independent ice melting winding is as follows: FG is connected to an input power supply and the low-to-high voltage auto-couple common G is connected to ground. The second high-voltage tap I is a transmission electric power output end, is in short-circuit connection with the first switch circuit 19-1, and is in short-circuit connection with an outer conductor. The high-voltage tap J is an ice melting power output end and is in short circuit connection with the second switch circuit 19-2. The ice melting winding bears ice melting power, and the power transmission winding bears power transmission.
See fig. 15.
An anti-icing and deicing power transmission device adopting direct-current power transmission-alternating-current power supply for heating is adopted: the anti-icing and deicing power transmission device for heating the direct-current power transmission and alternating-current power supply consists of a capacitor 39 and an inductor 40. One end of the inductor 40 is in short circuit connection with the direct current transmission rectifier, and the other end is in short circuit connection with the capacitor. The end of the inductor short-circuited to the rectifier is the ice-melting power output and is connected to the second switching circuit 19-2. One end of the short-circuited connection of the inductor and the capacitor is short-circuited with the outer conductor 1 and short-circuited to the first switching circuit 19-1.
In the invention, all the switch circuits adopt the same circuit, and the structure schematic diagram of the switch circuit is shown in fig. 16.
Wherein KT: LY1-J, UT1 from Toshiba of Japan, TLP521,
QT4 us Fairchild Semiconductor Corporation company SS9013,
QT1, company Fairchild Semiconductor Corporation usa: IN 4148.
The switch port A is connected with the transformer, and the switch port B is connected with the inner conductor of the self-made heat conductor. RELAYIN1 is connected to the same name terminal of the microprocessor circuit.
Inductor 40 is a smoothing reactor manufactured by Shanghai Zhiyou electric manufacturing company.
Capacitor 39 is a high voltage capacitor manufactured by the western-style electric power capacitor limited liability company.
The microprocessor adopts a singlechip. Fig. 17 is a schematic diagram of a single chip microcomputer. U11 MSP430F5438 SCM/American TEXAS INSTRUMENTS company
Fig. 18 is a schematic diagram of the microprocessor RS232 interface. In the figure, U8: MAX232, RS232 interface chip/maxim company.
The CH3 LOOPa and the CH3 LOOPb are connected with a communication interface connecting wire of the terminal power line carrier communication module.
The CH4 LOOPa and the CH4 LOOPb are connected with a communication interface connecting line of the terminal electric parameter acquisition module.
See fig. 19.
The microprocessor peripheral circuit converts five volts into three volts of power supply conversion circuits. Wherein UP18, LM26400Y, power conversion chip/NATIONAL SEMICONDUCTOTR company of America
See fig. 20.
The power supply conversion circuit converts three volts into two volts at the periphery of the microprocessor.
Fig. 21 is a JTAG circuit diagram employed in the present embodiment.
The high-voltage low-voltage self-coupling alternating-current transmission-alternating-current power supply heating device of the self-coupling heating device and the low-voltage high-voltage self-coupling alternating-current transmission-alternating-current power supply heating device of the self-coupling heating device are designed and manufactured according to the manufacturing specification of the transmission transformer.
The power transmission end heating equipment comprises an anti-icing and deicing power transmission device 18, a first switch circuit 19-1, a second switch circuit 19-2, a third switch circuit 19-3, a microprocessor 22, a communication module 21 and a conductor icing sensing module 23. The heating equipment adds alternating current or direct current between the outer conductor 1 and the inner conductor 3 of the self-made heat conductor through the output of the anti-icing and deicing power transmission device.
The power transmission source is connected with the anti-icing and de-icing power transmission device 18, and the anti-icing and de-icing power transmission device has two paths of output, one path is power transmission power output 99, and the other path is de-icing power output 98. The transmission power output is directly connected with the outer conductor 1 and is connected with the inner conductor 3 through the first switch circuit 19-1, and the deicing power output is connected with the inner conductor through the second switch circuit 19-2. One end of the first switch circuit 19-1 is connected with the inner conductor, and the other end is connected with the transmission power output end of the anti-icing and deicing transmission device. One end of the second switch circuit 19-2 is connected with the inner conductor, and the other end is connected with the ice melting power output end of the anti-ice melting power transmission device. At any time only one of the first switch circuit 19-1 and the second switch circuit 19-2 is turned on: during normal power transmission, the first switch circuit 19-1 is turned on, the second switch circuit 19-2 is turned off, and during power transmission and anti-icing and deicing operations, the second switch circuit 19-2 is turned on, and the first switch circuit 19-1 is turned off. The third switch circuit 19-3 is connected to the inner conductor and the outer conductor at the power receiving end, and is always turned on.
The control center controls the operation of the heating equipment through the communication module 21: the communication module 21 is connected with the microprocessor 22 and is used for transmitting control commands of the control center to the microprocessor and transmitting data of the microprocessor to the control center; the microprocessor is connected with the communication module 21, the icing sensing module 23 and the switch circuits 19-1 and 19-2, receives control signals of the communication module 21, transmits data to the communication module, receives data of the icing sensing module 23, and controls the switch circuit to be turned on and off according to the data of the icing sensing module and a control center command sent by the communication module; the icing sensing module 23 is connected to the microprocessor 22 and sends sensed data to the microprocessor.
Fig. 22 shows a flow chart of the microprocessor control of the present embodiment.
The first step: the switching circuit 19-3 is short-circuited; receiving a control center command through a communication module;
and a second step of: analyzing the control center command, is heating started? If yes, entering a seventh step; if not, entering a third step;
and a third step of: analyzing the control center command, is heating ended? If yes, entering a sixth step; if not, entering a fourth step;
fourth step: analyzing the control center command, is the switching circuit controlled by the icing sensing template? If yes, entering a fifth step; if not, entering a first step;
Fifth step: determine if ice sensing module finds ice? No ice: entering a sixth step; ice is present, and the seventh step is carried out;
sixth step: the switching circuit 19-1 is short-circuited; the switch circuit 19-2 is opened, and the first step is entered;
seventh step: the switching circuit 19-2 is short-circuited; the switching circuit 19-1 is opened and the first step is entered.
Example 2.
And (3) using a powered end heating device to finish anti-icing and ice melting on the self-made heat conductor embedded with the insulating heat conducting material.
See fig. 23.
The power receiving end heating equipment is divided into two kinds of heating equipment adopting a conventional transformer and heating equipment adopting an anti-icing and deicing load transformer. The present embodiment uses a power receiving-end heating apparatus employing a conventional transformer.
The power receiving end heating equipment adopting the conventional transformer is composed of a fifth switch circuit 19-5, a sixth switch circuit 19-6, a power receiving microprocessor 72, a power receiving communication module 71, a power receiving conductor icing sensing module 73 and a steel core load transformer 62. The inner conductor and the outer conductor of the power transmission end are connected in a short circuit and connected to the output of the power transmission power supply. The outer conductor of the power receiving end is connected to an aluminum stranded wire load transformer 61, and the secondary winding of the aluminum stranded wire load transformer is connected with an electric load. The power receiving end inner conductor is connected to the fifth switch circuit 19-5 and the sixth switch circuit 19-6. One end of the fifth switching circuit 19-5 is connected with the inner conductor, the other end is connected with the aluminum stranded wire load transformer 61, one end of the sixth switching circuit 19-6 is connected with the inner conductor, and the other end is connected with the steel core load transformer 62. Only one of the fifth switch circuit 19-5 and the sixth switch circuit 19-6 is turned on at any time: during normal power transmission, the fifth switch circuit 19-5 is turned on, the sixth switch circuit 19-6 is turned off, and during power transmission and anti-icing and deicing operations, the sixth switch circuit 19-6 is turned on and the fifth switch circuit 19-5 is turned off.
The power receiving communication module, the power receiving microprocessor, and the power receiving conductor icing sensing module are the same as the communication module, the microprocessor, and the conductor icing sensing module in embodiment 1, respectively.
Example 3.
See fig. 24.
The present embodiment uses a heating apparatus employing an anti-icing and de-icing load transformer.
The power receiving end heating equipment adopting the anti-icing and deicing load transformer consists of a fifth switch circuit 19-5, a sixth switch circuit 19-6, a power receiving microprocessor 72, a power receiving communication module 71, a power receiving conductor icing sensing module 73 and an anti-icing and deicing power transmission load transformer 63. The inner conductor 3 and the outer conductor 1 of the power transmitting end are short-circuited and connected to the power transmission power output. The power receiving end outer conductor 1 is connected to an aluminum stranded wire winding of the anti-icing and deicing load transformer 63, and a secondary winding of the anti-icing and deicing load transformer 63 is connected to an electric load. The power receiving end inner conductor 3 is connected to the fifth switch circuit 19-5 and the sixth switch circuit 19-6. One end of the fifth switching circuit 19-5 is connected with the inner conductor 3, the other end is connected with an aluminum stranded wire winding of the anti-icing and deicing load transformer 63, one end of the sixth switching circuit 19-6 is connected with the inner conductor 3, and the other end is connected with a steel core winding of the anti-icing and deicing load transformer 63. Only one of the fifth switch circuit 19-5 and the sixth switch circuit 19-6 is turned on at any time: during normal power transmission, the fifth switch circuit 19-5 is turned on, the sixth switch circuit 19-6 is turned off, and during power transmission and anti-icing and deicing operations, the sixth switch circuit 19-6 is turned on and the fifth switch circuit 19-5 is turned off.
The power receiving communication module, the power receiving microprocessor, and the power receiving conductor icing sensing module are the same as the communication module, the microprocessor, and the conductor icing sensing module in embodiment 1, respectively.
The control center controls the operation of the heating apparatus through the power receiving communication module 71: the power receiving communication module 71 is connected to the power receiving microprocessor 72, and is used for transmitting control commands of the control center to the power receiving microprocessor, and transmitting data of the power receiving microprocessor to the control center. The power receiving microprocessor 72 is connected with the power receiving communication module 71, the power receiving icing sensing module 73, the fifth switch circuit 19-5 and the sixth switch circuit 19-6, receives control signals of the power receiving communication module 71, transmits data to the power receiving communication module, receives data of the power receiving icing sensing module 73, and controls the switch circuit to be turned on and off according to the data of the power receiving icing sensing module and a control center command sent by the power receiving communication module. The power receiving icing sensing module 73 is connected to the power receiving microprocessor 72 and transmits sensing data to the power receiving microprocessor.
See fig. 25.
The anti-icing and deicing load transformer 63 is formed by transforming three windings, namely an aluminum stranded wire load winding 65, a steel core load winding 64 and a power receiving output winding 66. The aluminum stranded wire load winding 65 and the steel core load winding 64 are primary side windings, the aluminum stranded wire load winding 66 is connected with the outer conductor 1 of the self-made heat conducting wire power receiving end and is connected with the inner conductor of the self-made heat conducting wire power receiving end through a switch circuit, and the steel core load winding 64 is connected with the inner conductor 3 of the self-made heat conducting wire power receiving end through the switch circuit. The power receiving output winding 66 is connected to a power receiving end load.
See fig. 26.
The control program of the microprocessor in the power receiving end heating equipment is as follows:
the first step: and receiving a control center command through the power receiving communication module.
And a second step of: analyzing the control center command, does ice melting begin? If yes, go to the seventh step. And if not, entering a third step.
And a third step of: analyzing the control center command, is ice melting ended? And (3) entering a sixth step. And if not, entering a fourth step.
Fourth step: analyzing the control center command, is the switching circuit controlled by the icing sensing template? And if yes, entering a fifth step. And if not, entering the first step.
Fifth step: determine if ice sensing module finds ice? No ice: and (3) entering a sixth step. Ice is present and the seventh step is entered.
Sixth step: the fifth switching circuit is shorted. The sixth switching circuit is opened and the first step is entered.
Seventh step: the sixth switching circuit is shorted. The fifth switching circuit is opened and enters the first step.

Claims (9)

1. A heating device of self-made heat conductor embedded with insulating heat conducting material is characterized in that: the self-made heat conductor is of a coaxial cable structure and comprises an outer conductor (1), an insulating heat conducting material (2) and an inner conductor (3); the insulating heat-conducting material is a material with good heat conduction and insulating capability; the insulating heat conducting material (2) surrounds the outer edge of the inner conductor, completely surrounds the outer periphery of the inner conductor, completely isolates the inner conductor from the outer conductor, and avoids the short circuit of the inner conductor and the outer conductor;
The heating devices comprise a power transmission end heating device and a power receiving end heating device;
A. the power transmission end heating equipment consists of an anti-icing and deicing power transmission device (18), a first switch circuit (19-1), a second switch circuit (19-2), a third switch circuit (19-3), a microprocessor (22), a communication module (21) and a conductor icing sensing module (23); the heating equipment adds alternating current or direct current between an outer conductor (1) and an inner conductor (3) of the self-made heat conductor through the output of the anti-icing and deicing power transmission device;
the power transmission power supply is connected with an anti-icing and deicing power transmission device (18), and the anti-icing and deicing power transmission device has two paths of output, one path is power transmission power output (99) and the other path is deicing power output (98); the power transmission power output is directly connected with the outer conductor (1) and is connected with the inner conductor (3) through the first switch circuit (19-1), and the ice melting power output is connected with the inner conductor through the second switch circuit (19-2); one end of a first switch circuit (19-1) is connected with the inner conductor, and the other end is connected with the transmission power output end of the anti-icing and deicing transmission device; one end of a second switch circuit (19-2) is connected with the inner conductor, and the other end is connected with the ice melting power output end of the anti-ice melting power transmission device; at any time, only one of the first switch circuit (19-1) and the second switch circuit (19-2) is turned on: during normal power transmission, the first switch circuit (19-1) is turned on, the second switch circuit (19-2) is turned off, and during power transmission and anti-icing and deicing operation, the second switch circuit (19-2) is turned on, and the first switch circuit (19-1) is turned off; the third switch circuit (19-3) is connected with the inner conductor and the outer conductor at the receiving end and is always conducted;
The control center controls the operation of the heating equipment through the communication module (21): the communication module (21) is connected with the microprocessor (22) and is used for transmitting a control command of the control center to the microprocessor and transmitting data of the microprocessor to the control center; the microprocessor is connected with the communication module (21), the icing sensing module (23), the first switch circuit (19-1), the second switch circuit (19-2) and the third switch circuit (19-3), receives control signals of the communication module (21), transmits data to the communication module, receives the data of the icing sensing module (23), and controls the switch circuit to be turned on and off according to the data of the icing sensing module and a control center command sent by the communication module; the icing sensing module (23) is connected with the microprocessor (22) and sends sensing data to the microprocessor;
and B, a power receiving end heating device: the power receiving end heating equipment is divided into two kinds of heating equipment adopting a conventional transformer and heating equipment adopting an anti-icing and deicing load transformer;
the power receiving end heating equipment adopting the conventional transformer comprises a fifth switch circuit (19-5), a sixth switch circuit (19-6), a power receiving microprocessor (72), a power receiving communication module (71), a power receiving conductor icing sensing module (73) and a steel core load transformer (62); the inner conductor and the outer conductor of the power transmission end are connected in a short circuit manner and connected to the output of a power transmission power supply; the outer conductor of the power receiving end is connected to an aluminum stranded wire load transformer (61), and the secondary winding of the aluminum stranded wire load transformer is connected with an electric load; the inner conductor of the power receiving end is connected with a fifth switching circuit (19-5) and a sixth switching circuit (19-6); one end of the fifth switching circuit (19-5) is connected with the inner conductor, the other end of the fifth switching circuit is connected with the aluminum stranded wire load transformer (61), one end of the sixth switching circuit (19-6) is connected with the inner conductor, and the other end of the sixth switching circuit is connected with the steel core load transformer (62); at any time, only one of the fifth switching circuit (19-5) and the sixth switching circuit (19-6) is turned on: during normal power transmission, the fifth switching circuit (19-5) is turned on, the sixth switching circuit (19-6) is turned off, and during power transmission and anti-icing and deicing operation, the sixth switching circuit (19-6) is turned on, and the fifth switching circuit (19-5) is turned off;
The power receiving end heating equipment adopting the anti-icing and deicing load transformer is composed of a fifth switch circuit (19-5), a sixth switch circuit (19-6), a power receiving microprocessor (72), a power receiving communication module (71), a power receiving conductor icing sensing module (73) and an anti-icing and deicing power transmission load transformer (63); the inner conductor (3) and the outer conductor (1) of the power transmission end are connected in a short circuit manner and are connected to the output of a power transmission power supply; the power receiving end outer conductor (1) is connected to an aluminum stranded wire winding of the anti-icing and deicing load transformer (63), and a secondary winding of the anti-icing and deicing load transformer (63) is connected with an electric load; the power receiving end inner conductor (3) is connected with the fifth switch circuit (19-5) and the sixth switch circuit (19-6); one end of the fifth switching circuit (19-5) is connected with the inner conductor (3), the other end of the fifth switching circuit is connected with an aluminum stranded wire winding of the anti-icing and deicing load transformer (63), one end of the sixth switching circuit (19-6) is connected with the inner conductor (3), and the other end of the sixth switching circuit is connected with a steel core winding of the anti-icing and deicing load transformer (63); at any time, only one of the fifth switching circuit (19-5) and the sixth switching circuit (19-6) is turned on: during normal power transmission, the fifth switching circuit (19-5) is turned on, the sixth switching circuit (19-6) is turned off, and during power transmission and anti-icing and deicing operation, the sixth switching circuit (19-6) is turned on, and the fifth switching circuit (19-5) is turned off;
The control center controls the operation of the heating equipment through the power receiving communication module (71): the power receiving communication module (71) is connected with the power receiving microprocessor (72) and is used for transmitting a control command of the control center to the power receiving microprocessor and transmitting data of the power receiving microprocessor to the control center; the power receiving microprocessor is connected with the power receiving communication module (71), the power receiving icing sensing module (73), the fifth switching circuit (19-5) and the sixth switching circuit (19-6), receives control signals of the power receiving communication module (71), transmits data to the power receiving communication module, receives the data of the power receiving icing sensing module (73), and controls the switching circuit to be on and off according to the data of the power receiving icing sensing module and a control center command sent by the power receiving communication module; the power-receiving icing sensing module (73) is connected with the power-receiving microprocessor (72) and sends sensing data to the power-receiving microprocessor;
the control program of the microprocessor in the power receiving end heating equipment is as follows:
the first step: receiving a control center command through a communication module;
and a second step of: analyzing the control center command, does ice melting begin? If yes, entering a seventh step; if not, entering a third step;
and a third step of: analyzing the control center command, is ice melting ended? If yes, entering a sixth step; if not, entering a fourth step;
Fourth step: analyzing the control center command, is the switching circuit controlled by the icing sensing template? If yes, entering a fifth step; if not, entering a first step;
fifth step: determine if ice sensing module finds ice? No ice: entering a sixth step; ice is present, and the seventh step is carried out;
sixth step: a fifth switching circuit is short-circuited; a sixth switching circuit is opened, and the first step is entered;
seventh step: a sixth switching circuit short circuit; the fifth switching circuit is opened and enters the first step.
2. The self-made thermal conductor-heating apparatus embedded with insulating and heat conducting material as claimed in claim 1, wherein: the anti-icing and deicing power transmission device (18) comprises two different anti-icing and deicing power transmission devices which adopt alternating current power transmission-alternating current power supply heating and direct current power transmission-alternating current power supply heating, and any one of the two different anti-icing and deicing power transmission devices is adopted when the anti-icing and deicing power transmission device is used;
an anti-icing and deicing power transmission device for alternating-current power transmission-alternating-current power supply heating:
the anti-icing and deicing power transmission device for alternating current power transmission-alternating current power supply heating comprises a common alternating current power transmission-alternating current power supply heating device and an auto-coupling heating device;
the common alternating current transmission-alternating current power supply heating device is a three-winding transformer; comprises a primary winding AB, two secondary windings CD and DE; the two secondary windings are short-circuited at the joint D and form a series connection mode; the secondary winding DE is a power transmission winding, and the secondary winding CD is an ice melting winding;
The secondary winding of the common alternating current transmission-alternating current power supply heating device has two connection modes: sharing the connection mode of the ice melting winding and the connection mode of the independent ice melting winding;
the self-coupling heating device is divided into a high-voltage low-voltage self-coupling alternating current transmission-alternating current power supply heating device and a low-voltage high-voltage self-coupling alternating current transmission-alternating current power supply heating device;
the high-voltage low-voltage self-coupling alternating current transmission-alternating current power supply heating device is provided with a low-voltage tap based on a conventional self-coupling transformer, wherein the input tap is represented by A, the low-voltage tap is represented by C, the low-voltage tap is represented by D, and the high-voltage low-voltage self-coupling public end is represented by E; the windings between the CDs are ice melting windings, and the windings between the DE are power transmission windings;
the low-voltage-to-high-voltage self-coupling type alternating current transmission-alternating current power supply heating device is provided with a tap based on a conventional self-coupling transformer, wherein an input tap is represented by F, a high-voltage tap is represented by J, a high-voltage tap is represented by I, an input tap and an output tap are provided with self-coupling common ends, an input tap is represented by G, an output tap is represented by H, a winding between IJ is called an ice melting winding, and a winding between IH is called a transmission winding;
the secondary winding of the high-voltage low-voltage self-coupling alternating-current transmission-alternating-current power supply heating device has two connection modes: sharing the connection mode of the ice melting winding and the connection mode of the independent ice melting winding;
The secondary winding of the low-voltage to high-voltage self-coupling type alternating current transmission-alternating current power supply heating device has two connection modes: sharing the connection mode of the ice melting winding and the connection mode of the independent ice melting winding;
an anti-icing and deicing power transmission device adopting direct-current power transmission-alternating-current power supply for heating is adopted:
the anti-icing and deicing power transmission device for direct-current power transmission-alternating-current power supply heating consists of a capacitor (39) and an inductor (40); one end of the inductor (40) is in short circuit connection with the direct current transmission rectifier, and the other end of the inductor is in short circuit connection with the capacitor; one end of the inductor, which is in short circuit connection with the rectifier, is ice melting power output and is connected to a second switch circuit (19-2); one end of the short-circuit connection of the inductor and the capacitor is in short-circuit connection with the outer conductor (1) and is in short-circuit connection with the first switch circuit (19-1).
3. A self-contained thermal conductor embedded in an insulating and thermally conductive material as claimed in claim 1 wherein: the anti-icing and deicing load transformer (63) is formed by transforming three windings, namely an aluminum stranded wire load winding (65), a steel core load winding (64) and a power receiving output winding (66); the aluminum stranded wire load winding (65) and the steel core load winding (64) are primary side windings, the aluminum stranded wire load winding (65) is connected with the outer conductor of the power receiving end of the self-made heat conducting wire and is connected with the inner conductor of the power receiving end of the self-made heat conducting wire through a switch circuit, and the steel core load winding (64) is connected with the inner conductor of the power receiving end of the self-made heat conducting wire through the switch circuit; the power receiving output winding (66) is connected to a power receiving end load.
4. The self-made thermal conductor-heating apparatus embedded with insulating and heat conducting material as claimed in claim 2, wherein: in two connection modes of the secondary winding of the common alternating current power transmission-alternating current power supply heating device,
the connection mode of the shared ice melting winding is as follows:
the primary winding AB (25) is connected with a power transmission source, the power transmission winding DE (26) and the ice melting winding CD (27) in the secondary winding are connected in series, the serial point D is an ice melting power output end, and the ice melting power output end is connected to the inner conductor (3) through the second switch circuit (19-2); the C end of the ice melting winding CD (27) is a transmission power output end, is connected to the outer conductor (1) in a short circuit manner, is connected to the first switch circuit (19-1) in a short circuit manner, and the D end is connected with the transmission winding DE (26) in a short circuit manner; the end D of the power transmission winding DE (26) is connected to the ice melting winding CD (27) in a short circuit mode, and the end E is connected to the ground; the ice melting winding CD (27) realizes an ice melting function, and the ice melting winding CD (27) and the power transmission winding DE (26) jointly realize a power transmission function;
the connection mode of the independent ice melting winding is as follows: the primary winding AB (25) is connected with a power transmission source, the power transmission winding DE (26) and the ice melting winding CD (27) in the secondary winding are connected in series, the serial point D is a power transmission output end, and the primary winding AB is connected to an outer conductor in a short circuit manner and connected to a first switch circuit (19-1) in a short circuit manner; the E end of the power transmission winding DE (26) is connected to the ground, the C end of the ice melting winding CD (27) is an ice melting power output end, the C end is in short circuit connection with the second switch circuit (19-2), and the D end is in short circuit connection with the power transmission winding DE (26); the ice melting winding only has the ice melting function, and the power transmission winding only has the power transmission function.
5. The self-made thermal conductor-heating apparatus embedded with insulating and heat conducting material as claimed in claim 2, wherein: the secondary winding of the self-coupling heating device of the high-voltage low-voltage self-coupling alternating-current transmission-alternating-current power supply has two connection modes:
sharing the connection mode of the ice melting winding:
the primary winding AB is connected to an input power supply, and the high-voltage low-voltage self-coupling common terminal (32) is connected to the ground; the low-voltage tap C (28) is a transmission power output end, is in short-circuit connection with the first switch circuit (19-1) and is in short-circuit connection with the outer conductor; the low-voltage tap II D (29) is an ice melting power output end and is in short circuit connection with the second switch circuit (19-2); the ice melting winding CD bears ice melting power and transmission power, and the transmission winding DE only bears transmission power;
the connection mode of the independent ice melting winding is as follows: the primary winding AB is connected to an input power supply, and the high-voltage low-voltage self-coupling common terminal (32) is connected to the ground; the low-voltage tap C (28) is an ice melting power output end and is in short circuit connection with the second switch circuit (19-2); the low-voltage tap II D (29) is a transmission power output end, is in short-circuit connection with the first switch circuit (19-1) and is in short-circuit connection with the outer conductor; the ice-melting winding CD bears ice-melting power, and the power transmission winding DE bears power.
6. The self-made thermal conductor-heating apparatus embedded with insulating and heat conducting material as claimed in claim 2, wherein: the secondary winding in the low-voltage-to-high-voltage self-coupling alternating-current transmission-alternating-current power supply heating device of the self-coupling heating device has two connection modes:
sharing the connection mode of the ice melting winding: FG is connected to the input power, and the low-to-high voltage auto-couple common G is connected to ground; the second high-voltage tap I is an ice melting electric power output end and is in short circuit connection with the second switch circuit (19-2); the high-voltage tap J is a transmission power output end, is in short-circuit connection with the first switch circuit (19-1) and is in short-circuit connection with the outer conductor; the ice melting winding bears ice melting power and transmission power at the same time, and the transmission winding bears transmission power;
the connection mode of the independent ice melting winding is as follows: FG is connected to the input power, and the low-to-high voltage auto-couple common G is connected to ground; the second high-voltage tap I is a transmission electric power output end, is in short-circuit connection with the first switch circuit (19-1) and is in short-circuit connection with the outer conductor; the high-voltage tap J is an ice melting power output end and is in short circuit connection with the second switch circuit (19-2); the ice melting winding bears ice melting power, and the power transmission winding bears power transmission.
7. The self-made thermal conductor-heating apparatus embedded with insulating and heat conducting material as claimed in claim 1, wherein: the self-made heat conductor is characterized in that the self-made heat conductor is a single metal wire, and the metal material is one of a steel wire or a galvanized steel wire or an aluminum clad steel core wire or a metal tube embedded with an optical fiber; the outer conductor is a metal stranded wire made of 6 or 12 or 18 or other metal wires, and the metal material is one of an aluminum wire or an aluminum alloy wire or an aluminum clad steel core wire or a metal tube embedded with an optical fiber.
8. A method for implementing a heating device using a self-made thermal conductor embedded in an insulating and thermally conductive material as claimed in claim 1, comprising: the self-made heat conductor embedded with the insulating heat conducting material and the heating equipment are utilized to finish the anti-icing and ice-melting work; the heating equipment is connected to the self-made heat conductor from the power transmission end or the power receiving end;
the self-made heat conductor is of a coaxial cable structure and comprises an outer conductor (1), an insulating heat conducting material (2) and an inner conductor (3); the insulating heat-conducting material is a material with good heat conduction and insulating capability; the insulating heat conducting material (2) surrounds the outer edge of the inner conductor, completely surrounds the outer periphery of the inner conductor, completely isolates the inner conductor from the outer conductor, and avoids the short circuit of the inner conductor and the outer conductor;
the heating devices comprise a power transmission end heating device and a power receiving end heating device;
A. the power transmission end heating equipment consists of an anti-icing and deicing power transmission device (18), a first switch circuit (19-1), a second switch circuit (19-2), a third switch circuit (19-3), a microprocessor (22), a communication module (21) and a conductor icing sensing module (23); the heating equipment adds alternating current or direct current between an outer conductor (1) and an inner conductor (3) of the self-made heat conductor through the output of the anti-icing and deicing power transmission device;
The power transmission power supply is connected with an anti-icing and deicing power transmission device (18), and the anti-icing and deicing power transmission device has two paths of output, one path is power transmission power output (99) and the other path is deicing power output (98); the power transmission power output is directly connected with the outer conductor (1) and is connected with the inner conductor (3) through the first switch circuit (19-1), and the ice melting power output is connected with the inner conductor through the second switch circuit (19-2); one end of a first switch circuit (19-1) is connected with the inner conductor, and the other end is connected with the transmission power output end of the anti-icing and deicing transmission device; one end of a second switch circuit (19-2) is connected with the inner conductor, and the other end is connected with the ice melting power output end of the anti-ice melting power transmission device; at any time, only one of the first switch circuit (19-1) and the second switch circuit (19-2) is turned on: during normal power transmission, the first switch circuit (19-1) is turned on, the second switch circuit (19-2) is turned off, and during power transmission and anti-icing and deicing operation, the second switch circuit (19-2) is turned on, and the first switch circuit (19-1) is turned off; the third switch circuit (19-3) is connected with the inner conductor and the outer conductor at the receiving end and is always conducted;
the control center controls the operation of the heating equipment through the communication module 21: the communication module (21) is connected with the microprocessor (22) and is used for transmitting a control command of the control center to the microprocessor and transmitting data of the microprocessor to the control center; the microprocessor is connected with the communication module (21), the icing sensing module (23), the first switch circuit (19-1), the second switch circuit (19-2) and the third switch circuit (19-3), receives control signals of the communication module (21), transmits data to the communication module, receives the data of the icing sensing module (23), and controls the switch circuit to be turned on and off according to the data of the icing sensing module and a control center command sent by the communication module; the icing sensing module (23) is connected with the microprocessor (22) and sends sensing data to the microprocessor;
And B, a power receiving end heating device: the power receiving end heating equipment is divided into two kinds of heating equipment adopting a conventional transformer and heating equipment adopting an anti-icing and deicing load transformer;
the power receiving end heating equipment adopting the conventional transformer comprises a fifth switch circuit (19-5), a sixth switch circuit (19-6), a power receiving microprocessor (72), a power receiving communication module (71), a power receiving conductor icing sensing module (73) and a steel core load transformer (62); the inner conductor and the outer conductor of the power transmission end are connected in a short circuit manner and connected to the output of a power transmission power supply; the outer conductor of the power receiving end is connected to an aluminum stranded wire load transformer (61), and the secondary winding of the aluminum stranded wire load transformer is connected with an electric load; the inner conductor of the power receiving end is connected with a fifth switching circuit (19-5) and a sixth switching circuit (19-6); one end of the fifth switching circuit (19-5) is connected with the inner conductor, the other end of the fifth switching circuit is connected with the aluminum stranded wire load transformer (61), one end of the sixth switching circuit (19-6) is connected with the inner conductor, and the other end of the sixth switching circuit is connected with the steel core load transformer (62); at any time, only one of the fifth switching circuit (19-5) and the sixth switching circuit (19-6) is turned on: during normal power transmission, the fifth switching circuit (19-5) is turned on, the sixth switching circuit (19-6) is turned off, and during power transmission and anti-icing and deicing operation, the sixth switching circuit (19-6) is turned on, and the fifth switching circuit (19-5) is turned off;
The power receiving end heating equipment adopting the anti-icing and deicing load transformer is composed of a fifth switch circuit (19-5), a sixth switch circuit (19-6), a power receiving microprocessor (72), a power receiving communication module (71), a power receiving conductor icing sensing module (73) and an anti-icing and deicing power transmission load transformer (63); the inner conductor (3) and the outer conductor (1) of the power transmission end are connected in a short circuit manner and are connected to the output of a power transmission power supply; the power receiving end outer conductor (1) is connected to an aluminum stranded wire winding of the anti-icing and deicing load transformer (63), and a secondary winding of the anti-icing and deicing load transformer (63) is connected with an electric load; the power receiving end inner conductor (3) is connected with the fifth switch circuit (19-5) and the sixth switch circuit (19-6); one end of the fifth switching circuit (19-5) is connected with the inner conductor (3), the other end of the fifth switching circuit is connected with an aluminum stranded wire winding of the anti-icing and deicing load transformer (63), one end of the sixth switching circuit (19-6) is connected with the inner conductor (3), and the other end of the sixth switching circuit is connected with a steel core winding of the anti-icing and deicing load transformer (63); at any time, only one of the fifth switching circuit (19-5) and the sixth switching circuit (19-6) is turned on: during normal power transmission, the fifth switching circuit (19-5) is turned on, the sixth switching circuit (19-6) is turned off, and during power transmission and anti-icing and deicing operation, the sixth switching circuit (19-6) is turned on, and the fifth switching circuit (19-5) is turned off;
The control center controls the operation of the heating equipment through the power receiving communication module (71): the power receiving communication module (71) is connected with the power receiving microprocessor (72) and is used for transmitting a control command of the control center to the power receiving microprocessor and transmitting data of the power receiving microprocessor to the control center; the power receiving microprocessor is connected with the power receiving communication module (71), the power receiving icing sensing module (73), the fifth switching circuit (19-5) and the sixth switching circuit (19-6), receives control signals of the power receiving communication module (71), transmits data to the power receiving communication module, receives the data of the power receiving icing sensing module (73), and controls the switching circuit to be on and off according to the data of the power receiving icing sensing module and a control center command sent by the power receiving communication module; the power receiving icing sensing module (73) is connected with the power receiving microprocessor (72) and sends sensing data to the power receiving microprocessor.
9. A method for implementing a self-made thermal conductor heating apparatus embedded with insulating and heat conducting material as claimed in claim 8, wherein: the control program of the microprocessor in the power transmission end heating equipment is as follows:
the first step: the third switching circuit is short-circuited; receiving a control center command through a communication module;
And a second step of: analyzing the control center command, is heating started? If yes, entering a seventh step; if not, entering a third step;
and a third step of: analyzing the control center command, is heating ended? If yes, entering a sixth step; if not, entering a fourth step;
fourth step: analyzing the control center command, is the switching circuit controlled by the icing sensing template? If yes, entering a fifth step; if not, entering a first step;
fifth step: determine if ice sensing module finds ice? No ice: entering a sixth step; ice is present, and the seventh step is carried out;
sixth step: the first switch circuit is short-circuited; the second switch circuit is opened, and the first step is entered;
seventh step: the second switching circuit is short-circuited; the first switching circuit is opened and enters the first step.
CN201810370549.8A 2018-04-23 2018-04-23 Self-made heat conductor heating equipment embedded with insulating heat conducting material and implementation method thereof Active CN108366442B (en)

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