CN115800163A - Push-pull type short circuit control system for full-automatic direct current ice melting of ground wire of power transmission line - Google Patents

Abstract

The invention relates to a push-pull type short circuit control system for full-automatic direct current ice melting of a ground wire of a power transmission line, which comprises: the ground ice-melting system comprises a wire contact subsystem, a ground wire contact subsystem, a drainage subsystem, a central control subsystem and a ground ice-coating monitoring subsystem, wherein the ground ice-coating monitoring subsystem monitors ground ice, after data acquisition, feeds the ground ice-coating monitoring subsystem back to a rear-end data processing and monitoring platform for data analysis and calculating ice-melting current and time, a ground remote controller simultaneously controls a first electric push rod and a second electric push rod to push or pull, and controls a third electric push rod to pull or push in the opposite directions of the first electric push rod and the second electric push rod, so that the wire contact is in contact with the ground wire contact to form a direct-current ice-melting loop. The device has the advantages of simple structure, light weight, simple operation, safety and reliability.

Description

Push-pull type short circuit control system for full-automatic direct current ice melting of ground wire of power transmission line

Technical Field

The invention relates to the field of operation and maintenance of a power transmission line, in particular to a push-pull type short circuit control system for full-automatic direct-current deicing of a ground wire of the power transmission line.

Background

In recent years, extreme weather frequently occurs, icing of a power transmission line often occurs, serious influence is brought to normal use of a power grid, normal power utilization of users cannot be guaranteed, a tower collapse phenomenon occurs in serious conditions, and immeasurable economic loss is caused. And the ground wire is higher than the wire height, and no current passes through the ground wire in a normal state, so that the ground wire is easier to be iced.

The direct-current ice melting device is developed in China as a cantilever type device, when a ground wire contact is contacted, the contact cannot be accurately connected, manual tower-loading auxiliary operation is needed, the safety risk is high, a full-automatic ice melting process cannot be realized, the operation danger is high during ice melting, and if the operation is accidental, dangerous conditions are extremely easy to occur to constructors. The existing direct-current ice melting device for the power transmission line is large in weight and high in strength requirement on the ice melting tower, if dangerous natural weather phenomena occur, the direct-current ice melting device can affect normal use and operation of the power transmission line, and under the condition that a direct-current ice melting process is not carried out, the existing direct-current ice melting device can cause certain potential safety hazards to normal operation of the line.

The ice-melt isolator that appears at present can't guarantee the inseparable laminating of contact mostly, if: application No.: CN202111419137.7 discloses an automatic wiring device for ice melting of overhead ground wires, which directly installs a static contact beside a confluence current collector of a wire insulator, and vertically puts down a moving contact from a cross arm, so that the working distance is long, and the fitting accuracy and tightness of the moving contact and the moving contact cannot be ensured; for another example: application No.: CN202022280787.5 discloses a "ground wire ice-melting and wire-changing switch device", which adopts a structure that a moving contact and a conducting rod rotate from a cross arm to be attached to a static contact, and has the defects that the conducting rod has a large wind-exposed area, and is difficult to successfully rotate to an ideal working position particularly in extreme weather such as strong wind and the like, so that ice-melting operation is influenced; the method also comprises the following steps: application No.: CN202010342420.3 discloses an automatic short-circuit joint control device for direct-current deicing of transmission conductors, which needs to change the structure of a tower cross arm to a large extent and needs to install a crawler on the cross arm for the device to move on the cross arm; and the following steps: application No.: CN202110596184.2, "220kV transmission line wire full-automatic direct current ice-melt short circuit controlling device", this ice-melt device working process is too complicated, and the movable contact and the static contact laminating need rotate earlier and carry and draw behind the cross arm, and the rotation process is susceptible.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a push-pull type short circuit control system for the full-automatic direct-current ice melting of the ground wire of the power transmission line, which has the advantages of simple structure, light weight, simplicity in operation, safety and reliability.

The purpose of the invention is realized by the following technical scheme: the utility model provides a push-pull type short circuit control system of full-automatic direct current ice-melt of transmission line ground wire, includes: the system comprises a pole tower 6, a wire 7, a ground wire 8, a cross arm 9, a ground wire support 11 and a direct current ice melting vehicle 10/transformer substation 12, and is characterized by further comprising a wire contact subsystem 1, a ground wire contact subsystem 2, a drainage subsystem 3, a central control subsystem 4 and a ground wire ice coating monitoring subsystem 5, wherein the ground wire ice coating monitoring subsystem 5 is used for monitoring abnormal ice coating conditions of the ground wire 8 and feeding back the abnormal ice coating conditions to a rear-end data processing and monitoring platform 508 for data processing and analysis, the wire contact subsystem 1 is vertically lifted up from the pole tower 6 through the drainage subsystem 3 and the central control subsystem 4, the ground wire contact subsystem 2 pushes the ground wire contact subsystem 1 downwards to form a direct current ice melting loop, current of the direct current ice melting loop is transmitted into the ground wire 8 to melt the ground wire 8, and after the ground wire 8 melts ice, the wire contact 129 of the wire contact subsystem 1 and the ground wire contact 209 of the ground wire contact subsystem 2 are respectively pushed and pulled in opposite directions until the initial state is recovered; the wire contact subsystem 1 with ground wire contact subsystem 2 all hangs on cross arm 9, drainage subsystem 3 is connected with ground wire 8, wire contact subsystem 1 and wire 7 and ground wire contact subsystem 2 respectively, central control subsystem 4 is put on cross arm 9, ground wire icing monitoring subsystem 5 is put on central control subsystem 4, ground wire icing monitoring subsystem 5 monitors 8 icing on the ground wire, carries out data acquisition back, feeds back to rear end data processing and monitoring platform 508 and carries out data analysis and calculate ice-melt current and time, ground remote controller 410 controls first electric putter 103 and second electric putter 104 simultaneously and pushes or draws, and controls third electric putter 204 and first electric putter 103 and second electric putter 104 opposite direction and pull or push, makes wire contact 129 and ground wire contact 209 contact and constitute direct current ice-melt return circuit.

Further, the structure of the wire contact subsystem 1 includes: the first insulation sub-string 101, the second insulation sub-string 102, the first electric push rod 103, the second electric push rod 104, the first welding plate 105, the second welding plate 106, the first solar cell panel 107, the second solar cell panel 108, the first push rod control reactor 109, the second push rod control reactor 110, the first flange support rod 111, the second flange support rod 112, the first U-shaped ring 113, the second U-shaped ring 114, the third U-shaped ring 115, the fourth U-shaped ring 116, the first ball-head hanging ring 117, the second ball-head hanging ring 118, the first insulation sub-hanging plate 119, the second insulation sub-hanging plate 120, the first connecting rod 121, the second connecting rod 122, the first T-shaped plate 123, the second T-shaped plate 124, the first lower connecting platform 125, the second lower connecting platform 126, the upper connecting platform 127, the contact clamping device 128, the lead 129, the contact arms 130, 131 and the copper plate 132, the upper ends of the first electric push rod 103 and the second electric push rod 104 are fixedly connected to the upper connecting platform 127, the lower end of the first electric push rod 103 is connected to the first insulation sub-rod 101, the first electric push rod 111, the first electric push rod 113 and the first flange hanging ring 113; the lower end of the second electric push rod 104 is connected with the second insulator string 102 through a second flange support rod 112, a fourth U-shaped ring 116, a second U-shaped ring 114 and a second ball head hanging ring 118; the lower end of the first insulator string 101 is connected with a first lower connecting platform 125 through a first connecting rod 121, the lower end of the second insulator string 102 is connected with a second lower connecting platform 126 through a second connecting rod 122, the first lower connecting platform 125 is connected with the second lower connecting platform 126 through a copper plate 131, a lead contact 129 is arranged on the first flange supporting rod 111 and the second flange supporting rod 112, and a first electric push rod control reactor 109 and a second electric push rod control reactor 110 are respectively arranged on the upper connecting platform 127.

Further, a first solar cell panel 107 for supplying power to the first electric putter 103 and a second solar cell panel 108 for supplying power to the second electric putter 104 are respectively disposed on the upper connecting platform 127.

Further, the structure of the ground contact subsystem 2 includes: the third solar cell panel 201, the third push rod control center 202, the third welding plate 203, the third electric push rod 204, the third bulb hanging ring 205, the third insulator 206, the hollow aluminum tube 207, the bulb hanging ring 208, the ground wire contact 209 and the connecting rod 210, wherein the third electric push rod 204 is fixedly connected to the upper connecting platform 127, the third electric push rod 204 is connected with the third insulator 206 through the third bulb hanging ring 205, the lower end of the third insulator 206 penetrates through the connecting rod 210 to be connected with the hollow aluminum tube 207, and the ground wire contact 209 is connected to the hollow aluminum tube 207 through the bulb hanging ring 208.

Further, a third solar cell panel 201 powered by a third electric push rod 204 is arranged on the upper connecting platform 127.

Further, the structure of the drainage subsystem 3 comprises: the drainage clamp 301, the ground wire clamp 302, the post insulator 303, the pure copper drainage wire 304, the wire drainage wire 305, the wire drainage clamp 306, the drainage wire clamp 307, the drainage wire 308, the drainage wire 309, the lower post insulator 310, the side post insulator 311, the ground wire connecting wire 312 and the remote control switch 313, wherein the drainage clamp 301 clamps the hollow aluminum tube 207 of the ground contact subsystem 2, the wire drainage clamp 306 is connected with the wire drainage wire 305, the wire drainage wire 305 connects the wire 7 with the copper wiring board 132 through the wire drainage clamp 306 and the drainage wire clamp 307, the pure copper drainage wire 304 is connected with the ground wire 8 through the ground wire clamp 302, the post insulator 303 is used for separating the pure copper drainage wire 304 from the tower 6, the drainage wire clamp 307 is installed on the copper wiring board 137 of the wire contact subsystem 1, the lower insulator 310 is used for separating the drainage wire 308 and the drainage wire 309 from the cross arm 9, the side post insulator 311 is used for separating the ground wire connecting wire 312 from the cross arm 9, and the remote control switch 313 is used for controlling the disconnection or coincidence of the ground wire connecting wire 312 in the loop.

Further, the structure of the central control subsystem 4 includes: the system comprises a speed sensor 401, an acceleration sensor 402, a limiter 403, a signal transmitter 404, a power switch 405, a protective shell 406, a fixing device 407, a solar panel 408, a storage battery 409, a ground remote controller 410, a main singlechip 411, a first singlechip 412 and a second singlechip 413, wherein the main singlechip 411 is arranged in the protective shell 406, acquires information of the speed sensor 401, the acceleration sensor 402, the first singlechip 412 and the second singlechip 413, and is connected with the ground remote controller 410 through the signal transmitter 404; the speed sensor 401, the acceleration sensor 402 and the limiter 403 are used for controlling the push-pull speed, acceleration and position of the ground contact 209; the storage battery 409 is positioned in the protective shell 406 to provide a working power supply for operating 12V, meanwhile, a solar charging panel 408 and a power switch 405 are arranged at the upper end of the storage battery 409, the ground remote controller 410 transmits a signal instruction through the signal transmitter 404, and the protective shell 406 is fixed above the cross arm 9 through the fixing device 407.

Further, the structure of the ground wire icing monitoring subsystem 5 includes: the system comprises a front-end micro camera 501, a tension collecting unit 502, an inclination collecting unit 503, a temperature, humidity and air pressure collecting unit 504, an ultrasonic wind speed and direction sensor 505, a solar panel 506, a communication transmitting device 507, a rear-end data processing and monitoring platform 508 and a protection device 509, wherein the front-end micro camera 501 is fixed at the upper end of the ground wire support 11, the tension collecting unit 502, the inclination collecting unit 503, the temperature, humidity and air pressure collecting unit 504 and the ultrasonic wind speed and direction sensor 505 are respectively arranged at two ends of a ground wire 8, the solar panel 506 and the communication transmitting device 507 are arranged on the protection device 509, and are used for collecting information of ambient temperature, humidity, wind speed, wind direction, rainfall, the inclination angle of the ground wire 8, wind deflection angle, gravity change of an ice-covered ground wire 8 and waving frequency, and data are transmitted to the rear-end data processing and monitoring platform 508 for data analysis, calculating the ice-covered quantity, judging whether ice melting is needed and determining current and time.

The invention relates to a full-automatic direct-current ice-melting push-pull type short-circuit control system for a ground wire of a power transmission line, which combines the technologies of electric automation, electromechanical integration and singlechip control, and compared with the prior direct-current ice-melting short-circuit control device, the technical effects are as follows:

1. the system is integrated, has high automation degree, does not need to be manually moved to a tower for reclosing and other operations, can realize full-automatic direct-current deicing operation of the ground wire of the power transmission line through remote control, improves the safety of the operation, and is convenient and rapid;

2. the existing overhead transmission line installed equipment is not affected;

3. the ice melting time and the line power failure time are greatly reduced, and better economic benefit is achieved;

4. the system has simple structure, reliable performance and long service life;

5. the current comes from a direct current ice melting vehicle or a transformer substation, has high selectivity, and is suitable for the situation that vehicles on a rugged road cannot normally pass under severe weather;

6. the movement mode is simple, and the time from sending an instruction to the contact of the ground wire contact is greatly reduced;

7. through the operation of the electronic control device, the operation speed and the accuracy of the electronic control device are far higher than those of a mechanical braking method, and the movable contact and the fixed contact are connected more tightly by a push-pull method;

8. the ground wire contact is combined by adopting a push-pull method, so that the contact accuracy of the contact is improved;

9. the wire contact is provided with a contact clamping device, so that the wire contact and the ground contact can be more closely connected;

10. a limiter, a speed sensor and an acceleration sensor are installed, and the motion mode of a contact can be well monitored;

11. the ground wire icing monitoring system can accurately calculate the deicing current and the working time, improves the working efficiency and has better economical efficiency.

Drawings

FIG. 1 is a schematic block diagram of a push-pull type short circuit control system for full-automatic DC ice melting of a ground wire of a power transmission line;

FIG. 2 is a schematic front view of a ground wire contact subsystem in an inoperative state;

FIG. 3 is a schematic side view of the operating state of the push-pull type short circuit control system for full-automatic DC ice melting of the ground wire of the power transmission line of FIG. 1;

FIG. 4 is a schematic diagram of a system operating state of the ground wire contact;

fig. 5 is a working state of the push-pull type short circuit control system for full-automatic direct current ice melting of the ground wire of the power transmission line of fig. 1, which is a 45-degree view;

FIG. 6 is a schematic diagram of a central control subsystem;

FIG. 7 is a block diagram of a ground line icing monitoring subsystem;

FIG. 8 is a schematic ground-conductor loop;

fig. 9 is a schematic diagram of a wire-ground-wire loop.

In the figure: a wire contact subsystem 1, a ground wire contact subsystem 2, a drainage subsystem 3, a central control subsystem 4, a ground wire icing monitoring subsystem 5, a tower 6, a wire 7, a ground wire 8, a cross arm 9, a DC ice melting vehicle 10, a ground wire bracket 11, a transformer substation 12, a first insulator string 101, a second insulator string 102, a first electric push rod 103, a second electric push rod 104, a first welding plate 105, a second welding plate 106, a first solar cell panel 107, a second solar cell panel 108, a first push rod control reactor 109, a second push rod control reactor 110, a first flange support rod 111, a second flange support rod 112, a first U-shaped ring 113, a second U-shaped ring 114, a third U-shaped ring 115, a fourth U-shaped ring 116, a first ball-head hanging ring 117, a second ball-head hanging ring 118, a first insulator hanging plate 119, a second insulator hanging plate 120, a first connecting rod 121, a second connecting rod 122, a first T-shaped plate 123, a second T-shaped plate 124, a first lower connecting platform 125, a second lower connecting platform 126, an upper connecting platform 127, a contact clamping device 128, a wire contact 129, a contact arm 130, a copper plate 131, a copper wiring board 132, a third solar cell panel 201, a third push rod control center 202, a third welding plate 203, a third electric push rod 204, a third bulb suspension ring 205, a third insulator 206, a hollow aluminum tube 207, a bulb suspension ring 208, a ground wire contact 209, a connecting rod 210, a current lead clamp 301, a ground wire clamp 302, a post insulator 303, a pure copper current lead 304, a wire current lead 305, a wire current lead clamp 306, a current lead wire clamp 307, a current lead 308, a current lead 309, a lower post insulator 310, a side post insulator 311, a ground wire 312, a remote control switch 313, a speed sensor 401, an acceleration sensor 402, a stopper 403, a signal transmitter 404, power switch 405, protective housing 406, fixing device 407, solar cell panel 408, battery 409, ground remote controller 410, main singlechip 411, first singlechip 412, second singlechip 413, front end miniature camera 501, pulling force acquisition unit 502, inclination acquisition unit 503, temperature humidity atmospheric pressure acquisition unit 504, ultrasonic wave wind speed and direction sensor 505, solar panel 506, communication emitter 507, rear end data processing and monitoring platform 508, protection device 509.

Detailed Description

The invention relates to a push-pull type short-circuit control system for full-automatic direct current ice melting of a ground wire of a power transmission line, which is disclosed by the invention, and is explained in detail by using the attached drawings and the embodiment.

Referring to fig. 1-9, the push-pull type short circuit control system for full-automatic direct current ice melting of the ground wire of the power transmission line comprises: the system comprises a pole tower 6, a wire 7, a ground wire 8, a cross arm 9, a ground wire support 11, a direct current ice melting vehicle 10/or a transformer substation 12, a wire contact subsystem 1, a ground wire contact subsystem 2, a drainage subsystem 3, a central control subsystem 4 and a ground wire ice coating monitoring subsystem 5, wherein the ground wire ice coating monitoring subsystem 5 is used for monitoring abnormal ice coating conditions of the ground wire 8 and feeding back the abnormal ice coating conditions to a rear-end data processing and monitoring platform 508 for data processing and analysis, the wire contact subsystem 1 is vertically lifted up from the pole tower 6 through the drainage subsystem 3 and the central control subsystem 4, the ground wire contact subsystem 2 pushes downwards to be connected with the wire contact subsystem 1 to form a direct current ice melting loop, current of the direct current ice melting loop is transmitted into the ground wire 8 to melt the ground wire 8, and after the ground wire 8 melts ice, the wire contact 129 of the wire contact subsystem 1 and the ground wire contact 209 of the ground wire contact subsystem are respectively pushed and pulled in opposite directions until the initial states are recovered; the wire contact subsystem 1 with ground wire contact subsystem 2 all hangs on cross arm 9, drainage subsystem 3 is connected with ground wire 8, wire contact subsystem 1 and wire 7 and ground wire contact subsystem 2 respectively, central control subsystem 4 is put on cross arm 9, ground wire icing monitoring subsystem 5 is put on central control subsystem 4, ground wire icing monitoring subsystem 5 monitors 8 icing on the ground wire, carries out data acquisition back, feeds back to rear end data processing and monitoring platform 508 and carries out data analysis and calculate ice-melt current and time, ground remote controller 410 controls first electric putter 103 and second electric putter 104 simultaneously and pushes or draws, and controls third electric putter 204 and first electric putter 103 and second electric putter 104 opposite direction and pull or push, makes wire contact 129 and ground wire contact 209 contact and constitute direct current ice-melt return circuit.

Referring to fig. 1, 2 and 4, the structure of the wire contact subsystem 1 includes: the first insulation sub-string 101, the second insulation sub-string 102, the first electric push rod 103, the second electric push rod 104, the first welding plate 105, the second welding plate 106, the first solar cell panel 107, the second solar cell panel 108, the first push rod control reactor 109, the second push rod control reactor 110, the first flange support rod 111, the second flange support rod 112, the first U-shaped ring 113, the second U-shaped ring 114, the third U-shaped ring 115, the fourth U-shaped ring 116, the first ball-head hanging ring 117, the second ball-head hanging ring 118, the first insulation sub-hanging plate 119, the second insulation sub-hanging plate 120, the first connecting rod 121, the second connecting rod 122, the first T-shaped plate 123, the second T-shaped plate 124, the first lower connecting platform 125, the second lower connecting platform 126, the upper connecting platform 127, the contact clamping device 128, the lead 129, the contact arms 130, 131 and the copper plate 132, the upper ends of the first electric push rod 103 and the second electric push rod 104 are fixedly connected to the upper connecting platform 127, the lower end of the first electric push rod 103 is connected to the first insulation sub-rod 101, the first electric push rod 111, the first electric push rod 113 and the first flange hanging ring 113; the lower end of the second electric push rod 104 is connected with the second insulator string 102 through a second flange support rod 112, a fourth U-shaped ring 116, a second U-shaped ring 114 and a second ball head hanging ring 118; the lower end of the first insulator string 101 is connected with a first lower connecting platform 125 through a first connecting rod 121, the lower end of the second insulator string 102 is connected with a second lower connecting platform 126 through a second connecting rod 122, the first lower connecting platform 125 is connected with the second lower connecting platform 126 through a copper plate 131, a lead contact 129 is arranged on the first flange supporting rod 111 and the second flange supporting rod 112, and a first electric push rod control reactor 109 and a second electric push rod control reactor 110 are respectively arranged on the upper connecting platform 127. A first solar cell panel 107 for supplying power to the first electric putter 103 and a second solar cell panel 108 for supplying power to the second electric putter 104 are respectively disposed on the upper connecting platform 127.

Referring to fig. 1, 2 and 4, the structure of the ground contact subsystem 2 includes: the third solar cell panel 201, the third push rod control center 202, the third welding plate 203, the third electric push rod 204, the third bulb hanging ring 205, the third insulator 206, the hollow aluminum tube 207, the bulb hanging ring 208, the ground wire contact 209 and the connecting rod 210, wherein the third electric push rod 204 is fixedly connected to the upper connecting platform 127, the third electric push rod 204 is connected with the third insulator 206 through the third bulb hanging ring 205, the lower end of the third insulator 206 penetrates through the connecting rod 210 to be connected with the hollow aluminum tube 207, and the ground wire contact 209 is connected to the hollow aluminum tube 207 through the bulb hanging ring 208. A third solar cell panel 201 which is powered by a third electric push rod 204 is arranged on the upper connecting platform 127.

With reference to fig. 1, 3 and 5, the structure of the drainage subsystem 3 comprises: the drainage clamp 301, the ground wire clamp 302, the post insulator 303, the pure copper drainage wire 304, the wire drainage wire 305, the wire drainage clamp 306, the drainage wire clamp 307, the drainage wire 308, the drainage wire 309, the lower post insulator 310, the side post insulator 311, the ground wire connecting wire 312 and the remote control switch 313, the drainage clamp 301 clamps the hollow aluminum tube 207 of the ground contact subsystem 2, the wire drainage clamp 306 is connected with the wire drainage wire 305, the wire drainage wire 305 connects the wire 7 with the copper wiring board 132 of the ground contact subsystem 2 through the wire drainage clamp 306 and the drainage wire clamp 307, the pure copper drainage wire 304 is connected with the ground wire 8 through the ground wire clamp 302, the post insulator 303 is used for separating the pure copper drainage wire 304 from the tower 6, the drainage wire clamp 307 is installed on the copper wiring board 132 of the wire contact subsystem 1, the lower post insulator 310 is used for separating the drainage wire 308 and the drainage wire 309 from the cross arm 9, the side post insulator 311 is used for separating the ground wire connecting wire 312 from the cross arm 9, and the remote control switch 313 is used for controlling the disconnection or coincidence of the wiring board 312 of the ground wire in the loop.

Referring to fig. 1, 2 and 6, the structure of the central control subsystem 4 includes: the system comprises a speed sensor 401, an acceleration sensor 402, a limiter 403, a signal transmitter 404, a power switch 405, a protective shell 406, a fixing device 407, a solar cell panel 408, a storage battery 409, a ground remote controller 410, a main singlechip 411, a first singlechip 412 and a second singlechip 413, wherein the main singlechip 411 is arranged in the protective shell 406, acquires information of the speed sensor 401, the acceleration sensor 402, the first singlechip 412 and the second singlechip 413, and is connected with the ground remote controller 410 through the signal transmitter 404; the speed sensor 401, the acceleration sensor 402 and the stopper 403 are used for controlling the push-pull speed, acceleration and position of the ground contact 210; the storage battery 409 is positioned in the protective shell 406 to provide a working power supply for 12V operation, meanwhile, a solar charging panel 408 and a power switch 405 are arranged at the upper end of the storage battery 409, the ground remote controller 410 transmits a signal instruction through the signal transmitter 404, and the protective shell 406 is fixed above the cross arm 9 through the fixing device 407.

Referring to fig. 1, 7 and 8, the structure of the ground line icing monitoring subsystem 5 includes: the system comprises a front-end micro camera 501, a pulling force acquisition unit 502, an inclination angle acquisition unit 503, a temperature, humidity and air pressure acquisition unit 504, an ultrasonic wind speed and direction sensor 505, a solar panel 506, a communication emission device 507, a rear-end data processing and monitoring platform 508 and a protection device 509, wherein the front-end micro camera 501 is fixed at the upper end of the ground wire support 11, the pulling force acquisition unit 502, the inclination angle acquisition unit 503, the temperature, humidity and air pressure acquisition unit 504 and the ultrasonic wind speed and direction sensor 505 are respectively arranged at two ends of a ground wire 8, the solar panel 506 and the communication emission device 507 are arranged on the protection device 509, environmental temperature, humidity, wind speed, wind direction, rainfall, the inclination angle of the ground wire 8, wind deflection angle, gravity change of an icing ground wire 8 and galloping frequency information are acquired in real time, data signals acquired by the front-end micro camera 501, the pulling force acquisition unit 502, the inclination angle acquisition unit 503, the temperature, humidity and air pressure acquisition unit 504 and the ultrasonic wind speed and air direction sensor 505 are transmitted to the rear-end data processing and monitoring platform 508 for data analysis, ice melting is calculated, whether ice melting is needed or not is determined, and current and time is determined.

Referring to fig. 8, a schematic diagram of a wire-conductor loop is shown. The ice melting current comes from the direct current ice melting vehicle 10. When the direct-current ice melting vehicle works, the wire contact 129 and the ground wire contact 209 are in good contact, the remote control switch 313 is switched off, ice melting current enters the ground wire 8 from the direct-current ice melting vehicle 10 below the tower 6 through the drainage system 3, flows into the wire 7 along the ground wire contact subsystem 2 and the wire contact subsystem 1 after reaching the next base tower 6, and finally flows back to the direct-current ice melting vehicle 10 through the drainage subsystem 3.

Referring to fig. 9, a ground-ground loop is shown. The ice melting current comes from the substation 12. When the ice melting device works, the wire contact 129 and the ground wire contact 209 are in good contact, the remote control switch 313 is overlapped, ice melting current is transmitted to a required ice melting ground wire 8 from the transformer substation 12 through the wire 7, the wire contact subsystem 1, the ground wire contact subsystem 2 and the drainage subsystem 3, and flows to the wire 7 according to the same method after being transmitted to the ground wire 8 on the other side through the ground wire connecting wire, and finally flows back to the transformer substation 12.

The working process of the full-automatic direct-current ice melting push-pull type short circuit control system for the ground wire of the power transmission line comprises the following steps:

under the non-working state, a safe insulation distance is kept between the wire contact subsystem 1 and the ground wire contact subsystem 2, the wire contact subsystem 1 and the ground wire contact subsystem 2 are hung on the cross arm 9, the drainage subsystem 3 is used for respectively connecting a ground wire 8 and the wire contact subsystem 1 as well as a wire 7 and the ground wire contact subsystem 2, the central control subsystem 4 is installed on the cross arm 9, and the ground wire ice coating monitoring subsystem 5 is installed on the central control subsystem 4. The ground wire icing monitoring subsystem 5 monitors icing of a ground wire 8, feeds the icing to the rear-end data processing and monitoring platform 508 for data analysis and calculating ice melting current and time after data acquisition, the ground remote controller 410 operates the first electric push rod 103, the second electric push rod 104 and the third electric push rod 204 of the lead contact 129 and the ground wire contact 209 to respectively push and pull, and the lead contact 129 and the ground wire contact 209 are in good contact to form a loop (the ice melting current loop has two schemes). Scheme 1: the ground-wire loop (the ice-melt current comes from the dc ice-melt vehicle 10). At this time, the remote switch is turned off, the ground wire contact 209 and the wire contact 129 form a loop, the ice melting current enters the ground wire 8 from the direct current ice melting vehicle 10 through the drainage wire 310, and after the ice melting current forms a loop with the wire, the ice melting current flows back to the direct current ice melting vehicle 10 from the drainage wire 309. Scheme 2: ground-ground loop (ice melting current from substation 12). At this time, the remote control switches of the next base tower of the ice melting line are overlapped, ice melting current is transmitted to the required ice melting line from the transformer substation 12 through the wires, and after the ground wire is introduced into the ground wire through the ground wire contact subsystem 1, the wire contact subsystem 2 and the current guiding subsystem 3, the current is transmitted to the next base tower, and is transmitted to the ground wire on the other side through the ground wire connecting wire, and the ground wire on the other side is transmitted back to the transformer substation 12 through the same path. After the ice melting is finished, the ground remote control 410 operates the first electric push rod 103, the second electric push rod 104 and the third electric push rod 204 to move reversely until the original state is recovered.

Mechanical parts, electrical appliances and electronic components of the full-automatic direct-current ice melting push-pull type short circuit control system for the ground wire of the power transmission line are all commercially available products, and the system is easy to implement, and has the following specific sizes and models:

first insulator string, second insulator string: FXBW4-110/160 compound insulator string;

first electric putter, second electric putter, third electric putter: YIXing DC electric push rod motor, stroke 1000mm, speed 90mm/min, torque 100N.m;

first solar cell panel, second solar cell panel and third solar cell panel: 6V100mA 120 x 38mm polycrystalline silicon solar panel;

first bulb link and second bulb link: QP-16S bulb hanging ring;

first socket link plate and second socket link plate: WS-16105S socket clevis

First and second T-shaped plates: steel, wherein the size of an upper end plate is 120mm × 100mm × 16mm, and the size of a lower end plate is 100mm × 200mm × 10mm;

platform connecting plate under first platform connecting plate and the second: steel, with dimensions of 1000mm, 500mm, 8mm;

copper wiring board: 400mm 200mm 15mm pure copper plate;

a contact arm: VS1-3150A red copper silver plating contact arm;

plum blossom contact: GC5-3150A (64 sheets) red copper silver-plated plum blossom contact;

cylindrical static contact: PT driver 3150A silver-plated fixed contact of red copper;

hollow aluminum pipe: a hollow aluminum tube having an inner diameter of 50mm, a wall thickness of 10mm and a length of 1 m;

the first post insulator string is a FZSW4-35/6 composite post insulator;

a second post insulator string: a ZSW-220/16K-3 composite post insulator;

connecting plate at lower end of pillar insulator string: steel, the plate size is 300mm x 600mm x 10mm, the lower end of the steel plate is welded with a hollow round rod with the outer diameter of 40 mm, the inner diameter of 30 mm and the length of 400 mm;

pure copper drainage wire: copper braided wire with cross section area of 100mm 8mm;

an acceleration sensor: an SCA3060 acceleration sensor;

a speed sensor: a Rhein Tacho SM speed sensor;

a limiter: LBT20-dxz5/4 limit switch;

a main single chip machine: YIBIIC single chip computer;

first singlechip, second singlechip: XY150 single-chip microcomputer;

a tension acquisition unit: hychuangang s type tension sensor;

the inclination angle acquisition unit: a Vicat intelligent SINDT01 double-shaft tilt angle sensor;

temperature, humidity, atmospheric pressure acquisition unit: BOSCH temperature, humidity, barometric pressure sensors;

a signal transmitter: a G2000 signal transmitter;

a storage battery: 24V 800MAH battery;

the solar charging panel: a single crystal 100W solar 12V photovoltaic power generation panel;

a protective shell: the aluminum alloy is made into a square shell with the size of 400mm 200mm 100mm;

a fixing device: steel, L250 × 90 × 9 × 13 section steel, with 10mm diameter holes in both wings.

While the present invention has been described in detail with reference to the specific embodiments thereof, it should be understood that the invention is not limited thereto, and that various changes and modifications apparent to those skilled in the art, which are in light of the above teachings, are within the scope of the appended claims.

Claims (8)

1. A push-pull type short circuit control system for full-automatic direct current ice melting of a ground wire of a power transmission line comprises: the direct-current deicing system comprises a pole tower (6), a wire (7), a ground wire (8), a cross arm (9), a ground wire support (11) and a direct-current deicing vehicle (10)/a transformer substation (12), and is characterized by further comprising a wire contact subsystem (1), a ground wire contact subsystem (2), a drainage subsystem (3), a central control subsystem (4) and a ground wire icing monitoring subsystem (5), wherein the ground wire icing monitoring subsystem (5) is used for monitoring the icing abnormal condition of the ground wire (8) and feeding back the icing abnormal condition to a rear-end data processing and monitoring platform (508) for data processing and analysis, the wire contact subsystem (2) is vertically lifted from the pole tower (6) through the drainage subsystem (3) and the central control subsystem (4), the wire contact subsystem (1) pushes the wire contact subsystem (129) and the ground wire contact subsystem (2) downwards to form a direct-current deicing loop, the current of the direct-current deicing loop is transmitted to the ground wire (8) to melt ice, and the direct-current of the ground wire contact subsystem (8) is pushed and pulled back to the ground wire contact subsystem (209) until the initial deicing state is restored; the wire contact subsystem (1) with the ground wire contact subsystem (2) all hangs on cross arm (9), drainage subsystem (3) respectively with ground wire (8), wire contact subsystem (1) and wire (7) and ground wire contact subsystem (2) be connected, central control subsystem (4) are put on cross arm (9), ground wire cover ice monitoring subsystem (5) are put on central control subsystem (4), ground wire cover ice monitoring subsystem (5) monitor ground wire (8) cover ice, carry out data acquisition back, feed back rear end data processing and monitoring platform (508) and carry out data analysis and calculate ice-melt current and time, ground remote controller (410) controls first electric putter (103) and second electric putter (104) simultaneously and pushes or draws, and controls third electric putter (204) and first electric putter (103) and second electric putter (104) opposite direction and draw or push, makes wire contact (129) and ground wire contact (209) contact and constitute direct current ice-melt loop.

2. The full-automatic direct-current ice-melting push-pull type short-circuit control system for the ground wire of the power transmission line according to claim 1, wherein the structure of the wire contact subsystem (1) comprises: first insulator string (101), second insulator string (102), first electric putter (103), second electric putter (104), first welded plate (105), second welded plate (106), first solar cell panel (107), second solar cell panel (108), first putter control reactor (109), second putter control reactor (110), first flange bracing piece (111), second flange bracing piece (112), first U-shaped ring (113), second U-shaped ring (114), third U-shaped ring (115), fourth U-shaped ring (116), first bulb link (117), second bulb link (118), first insulator link plate (119), second insulator link plate (120), first connecting rod (121), second connecting rod (122), first T-shaped plate (123), second T-shaped plate (124), first lower connecting platform (125), second lower connecting platform (126), go up connecting platform (127), contact clamping device (128), wire contact (129), contact arm (130), copper plate (131) and copper plate (131), the upper end of first electric putter (103) and the lower end of first electric putter (103) are all connected through electric putter (103), first flange bracing piece (111), second electric putter (127), first electric putter (103) and lower end of first electric putter (127), first electric putter (103) are connected, the third U-shaped ring (115), the first U-shaped ring (113) and the first ball head hanging ring (117) are connected with the first insulating sub-string (101); the lower end of the second electric push rod (104) is connected with the second insulator string (102) through a second flange support rod (112), a fourth U-shaped ring (116), a second U-shaped ring (114) and a second ball head hanging ring (118); the lower end of the first insulator string (101) is connected with a first lower connecting platform (125) through a first connecting rod (121), the lower end of the second insulator string (102) is connected with a second lower connecting platform (126) through a second connecting rod (122), the first lower connecting platform (125) is connected with the second lower connecting platform (126) through a copper plate (131), a wire contact (129) is arranged on the first flange supporting rod (111) and the second flange supporting rod (112), and a first electric push rod control reactor (109) and a second electric push rod control reactor (110) are respectively arranged on the upper connecting platform (127).

3. The full-automatic direct-current ice-melting push-pull type short-circuit control system for the ground wire of the power transmission line according to claim 2, wherein a first solar cell panel (107) powered by a first electric push rod (103) and a second solar cell panel (108) powered by a second electric push rod (104) are respectively arranged on the upper connecting platform (127).

4. The full-automatic direct-current ice-melting push-pull type short-circuit control system for the ground wire of the power transmission line according to claim 1, wherein the structure of the ground wire contact subsystem 2 comprises: the solar energy ground wire connecting device comprises a third solar cell panel (201), a third push rod control center (202), a third welding plate (203), a third electric push rod (204), a third ball head hanging ring (205), a third insulator (206), a hollow aluminum tube (207), a ball head hanging ring (208), a ground wire contact (209) and a connecting rod (210), wherein the third electric push rod (204) is fixedly connected to an upper connecting platform (127), the third electric push rod (204) is connected with the third insulator (206) through the third ball head hanging ring (205), the lower end of the third insulator (206) penetrates through the connecting rod (210) to be connected with the hollow aluminum tube (207), and the ground wire contact (209) is connected to the hollow aluminum tube (207) through the ball head hanging ring (208).

5. The full-automatic direct-current ice-melting push-pull type short-circuit control system for the ground wire of the power transmission line according to claim 4, wherein a third solar cell panel (201) powered by a third electric push rod (204) is arranged on the upper connecting platform (127).

6. The full-automatic direct-current ice-melting push-pull type short-circuit control system for the ground wire of the power transmission line according to claim 1, wherein the structure of the drainage subsystem 3 comprises: a drainage clamp (301), a ground wire clamp (302), a post insulator (303), a pure copper drainage wire (304), a wire drainage wire (305), a wire drainage clamp (306), a drainage wire clamp (307), a drainage wire (308), a drainage wire (309), a lower post insulator (310), a side post insulator (311), a ground wire connection line (312) and a remote control switch (313), wherein the drainage clamp (301) clamps the hollow aluminum tube (207) of the ground contact subsystem (2), the wire drainage clamp (306) is connected with the wire drainage wire (305), the wire drainage wire (305) connects a wire (7) with the copper wiring board (132) through the wire drainage clamp (306) and the drainage wire clamp (307), the pure copper drainage wire (304) is connected with a ground wire (8) through the ground wire clamp (302), the insulator post (303) is used for separating the pure copper drainage wire (304) from the side post insulator (6), the drainage wire clamp (307) is installed on the copper wire subsystem (137) of the wire system, the lower post (310) is used for separating the drainage wire (308) from the side post insulator (9) and the drainage wire (311), the remote control switch (313) is used for controlling the disconnection or the coincidence of the ground connection wire (312) in the loop.

7. The full-automatic direct-current ice melting push-pull type short circuit control system for the ground wire of the power transmission line according to claim 1, wherein the structure of the central control subsystem (4) comprises: the intelligent control system comprises a speed sensor (401), an acceleration sensor (402), a limiter (403), a signal transmitter (404), a power switch (405), a protective shell (406), a fixing device (407), a solar panel (408), a storage battery (409), a ground remote controller (410), a main singlechip (411), a first singlechip (412) and a second singlechip (413), wherein the main singlechip (411) is arranged in the protective shell (406) to acquire information of the speed sensor (401), the acceleration sensor (402), the first singlechip (412) and the second singlechip (413), and is connected with the ground remote controller (410) through the signal transmitter (404); the speed sensor (401), the acceleration sensor (402) and the limiter (403) are used for controlling the push-pull speed, acceleration and position of the ground wire contact (209); the storage battery (409) is positioned in the protective shell (406) and provides a working power supply for running 12V, a solar charging panel (408) and a power switch (405) are arranged at the upper end of the storage battery (409), the ground remote controller (410) transmits a signal instruction through the signal transmitter (404), and the protective shell (406) is fixed above the cross arm (9) through the fixing device (407).

8. The full-automatic direct-current ice-melting push-pull type short-circuit control system for the ground wire of the power transmission line according to claim 1, wherein the structure of the ground wire ice-coating monitoring subsystem (5) comprises: the ice melting system comprises a front-end micro camera (501), a tension collecting unit (502), an inclination collecting unit (503), a temperature, humidity and air pressure collecting unit (504), an ultrasonic wind speed and direction sensor (505), a solar panel (506), a communication transmitting device (507), a rear-end data processing and monitoring platform (508) and a protecting device (509), wherein the front-end micro camera (501) is fixed at the upper end of a ground wire support (11), the tension collecting unit (502), the inclination collecting unit (503), the temperature, humidity and air pressure collecting unit (504) and the ultrasonic wind speed and direction sensor (505) are respectively arranged at two ends of a ground wire (8), the solar panel (506) and the communication transmitting device (507) are installed on the protecting device (509) to collect environment temperature, humidity, wind speed, wind direction and rainfall, and the inclination angle of the ground wire (8), a wind drift angle and gravity change of an ice-covered ground wire (8) and to acquire galloping frequency information, and the front-end micro camera (501), the tension collecting unit (502), the inclination collecting unit (503), the temperature, the air pressure collecting unit (504), the ultrasonic wind direction and the ultrasonic wind speed and the data of the ultrasonic wind speed sensor (505) are transmitted to the monitoring platform and the ice melting frequency information, and whether the ice-melting data processing and the ice-melting-time-melting-ice-melting-time data processing and determining platform are needed to determine.

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