Deicing device for high-voltage cable

Abstract

The utility model discloses a deicing device for a high-voltage cable, which belongs to the technical field of cable deicing devices and comprises a fixed electricity taking box arranged on a cable body and close to an insulator; the first electricity taking device is arranged in the fixed electricity taking box, and a current transformer on the first electricity taking device is arranged on the cable body in a sleeving mode; according to the utility model, electricity is taken from the cable body through the first electricity taking device, when ice and snow are accumulated on the first inclination sensor, the infrared radiation heater and the hot-air blower are triggered to obtain power supply, and the infrared radiation heater and the hot-air blower heat the insulator to deice the insulator, and the second electricity taking device takes electricity from the cable body to deice the insulator. When ice and snow are accumulated on the second inclination sensor, the driving mechanism is triggered to operate and drive the movable electricity taking box to move on the cable body, the electric heater heats and deices the surface of the cable body through which the movable electricity taking box passes, the deicing operation is quick and timely in response, and the deicing efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable deicing devices, and in particular relates to a deicing device for high-voltage cables. Background Art

[0002] In order to prevent high-voltage cables from being damaged by ice and snow, it is necessary to de-ice the high-voltage cables in a timely manner. The existing de-icing method is to use mechanical hammering and laser de-icing after ice is formed, which makes the de-icing efficiency low and the de-icing operation untimely. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned problems and to propose a deicing device for high-voltage cables.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a deicing device for high-voltage cables, comprising:

[0005] A fixed power box is arranged on the cable body and is close to the insulator;

[0006] A first power supply, which is arranged in the fixed power supply box, the current transformer on the first power supply is sleeved on the cable body, and the power conversion module of the first power supply is connected to a first controller;

[0007] a first tilt sensor, which is disposed on the insulator and is electrically connected to the first controller;

[0008] an infrared radiation heater, which is disposed on the top of the fixed power box and is aligned with the insulator, and the infrared radiation heater is electrically connected to the first controller;

[0009] A hot air blower, which is arranged on the top of the fixed power box and is aligned with the insulator, and the hot air blower is electrically connected to the first controller;

[0010] A movable power box, which is slidably connected to the cable body;

[0011] A second power supply unit is arranged in the movable power supply box, a current transformer on the second power supply unit is sleeved on the cable body, and a second controller is connected to a power conversion module of the second power supply unit;

[0012] A second tilt sensor is disposed on the movable power box, and the second tilt sensor is electrically connected to the second controller;

[0013] an electric heater, which is sleeved on the cable body and is electrically connected to the second controller;

[0014] A driving mechanism is arranged on the movable power box and electrically connected to the second controller, and the driving mechanism abuts against the cable body.

[0015] As a further description of the above technical solution:

[0016] The driving mechanism includes a driving motor, a driving wheel and two driven wheels, the two driven wheels are hinged on the movable power box, and the surfaces of the two driven wheels are against the cable body, the driving wheel is hinged on the movable power box, and the driving wheel is tangent to the two driven wheels, the driving motor is installed on the movable power box and is electrically connected to the second controller, and the driving motor is connected to and drives the driving wheel.

[0017] As a further description of the above technical solution:

[0018] Contact switches are provided on opposite sides of the movable power box, the two contact switches are electrically connected to the second controller, and the drive motor is connected to the second controller via a servo driver.

[0019] As a further description of the above technical solution:

[0020] The movable power taking box is provided with an air avoidance hole, the cable body passes through the air avoidance hole, and the inner wall of the air avoidance hole is provided with a wear-resistant layer.

[0021] As a further description of the above technical solution:

[0022] The bottoms of the fixed power taking box and the movable power taking box are both provided with counterweights.

[0023] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0024] 1. In the utility model, power is taken from the cable body by the first electric device. When ice and snow accumulate on the first tilt sensor, the infrared radiation heater and the hot air blower are triggered to obtain power. The infrared radiation heater and the hot air blower heat the insulator to de-ice the insulator. The second electric device takes power from the cable body. When ice and snow accumulate on the second tilt sensor, the drive mechanism is triggered to operate and drive the movable power box to move on the cable body. The electric heater heats and de-ices the surface of the cable body passed by the movable power box. The de-icing operation responds quickly and timely, greatly improving the de-icing efficiency.

[0025] 2. In the utility model, contact switches are installed on both sides of the movable power box. When the movable power box moves to the insulator, the contact switch obtains a signal and enables the second controller to control the servo driver. The drive motor changes the rotation direction under the control of the servo driver, thereby realizing the reciprocating motion of the movable power box on the cable body, so that the deicing effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The overall structure of a deicing device for high-voltage cables is shown in FIG. Figure 1 .

[0027] Figure 2 The overall structure of a deicing device for high-voltage cables is shown in FIG. Figure 2 .

[0028] Figure 3 A cross-sectional view of a deicing device for high-voltage cables.

[0029] Figure 4 A block diagram of a de-icing device for high voltage cables.

[0030] Legend:

[0031] 1. Fixed power box; 2. Cable body; 3. Insulator; 4. First power supply; 5. First controller; 6. First tilt sensor; 7. Infrared radiation heater; 8. Hot air blower; 9. Movable power box; 10. Second power supply; 11. Second controller; 12. Second tilt sensor; 13. Electric heater; 14. Driving mechanism; 141. Driving motor; 142. Driving wheel; 143. Driven wheel; 15. Contact switch; 16. Air avoidance hole; 17. Wear-resistant layer; 18. Counterweight. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-4 The utility model provides a technical solution: a deicing device for high-voltage cables, comprising:

[0034] A fixed power box 1 is provided on the cable body 2 and is close to the insulator 3;

[0035] A first power supply 4 is disposed in the fixed power supply box 1, a current transformer on the first power supply 4 is sleeved on the cable body 2, and a first controller 5 is connected to a power conversion module of the first power supply 4;

[0036] a first tilt sensor 6 , which is disposed on the insulator 3 , and the first tilt sensor 6 is electrically connected to the first controller 5 ;

[0037] an infrared radiation heater 7, which is disposed on the top of the fixed power box 1 and is aligned with the insulator 3, and the infrared radiation heater 7 is electrically connected to the first controller 5;

[0038] A hot air blower 8, which is disposed on the top of the fixed power box 1 and is aligned with the insulator 3, and the hot air blower 8 is electrically connected to the first controller 5;

[0039] A movable power supply box 9, which is slidably connected to the cable body 2;

[0040] A second power supply 10 is disposed in the movable power supply box 9. The current transformer on the second power supply 10 is sleeved on the cable body 2. The power conversion module of the second power supply 10 is connected to a second controller 11.

[0041] A second tilt sensor 12, which is disposed on the movable power box 9, and the second tilt sensor 12 is electrically connected to the second controller 11;

[0042] an electric heater 13, which is sleeved on the cable body 2 and is electrically connected to the second controller 11;

[0043] A driving mechanism 14, which is disposed on the movable power box 9 and electrically connected to the second controller 11, and the driving mechanism 14 abuts against the cable body 2;

[0044] The driving mechanism 14 includes a driving motor 141, a driving wheel 142 and two driven wheels 143, the two driven wheels 143 are hinged on the movable power box 9, and the surfaces of the two driven wheels 143 are against the cable body 2, the driving wheel 142 is hinged on the movable power box 9, and the driving wheel 142 is tangent to the two driven wheels 143, the driving motor 141 is installed on the movable power box 9 and is electrically connected to the second controller 11, and the driving motor 141 is connected to and drives the driving wheel 142, the driving motor 141 rotates to drive the driving wheel 142 to rotate, the driving wheel 142 rotates to drive the two driven wheels 143 to rotate, and then drives the movable power box 9 to move on the cable body 2;

[0045] Contact switches 15 are provided on opposite sides of the movable power box 9. The two contact switches 15 are electrically connected to the second controller 11. The drive motor 141 is connected to the second controller 11 through a servo driver. When the movable power box 9 moves to the insulator 3, the contact switch 15 obtains a signal and enables the second controller 11 to control the servo driver. The drive motor 141 changes the rotation direction under the control of the servo driver, thereby realizing the reciprocating motion of the movable power box 9 on the cable body 2, so that the deicing effect is good.

[0046] The movable power box 9 is provided with an air avoidance hole 16, through which the cable body 2 passes, and the inner wall of the air avoidance hole 16 is provided with a wear-resistant layer 17 to avoid damage to the cable body 2 and also to avoid wear of the movable power box 9;

[0047] The bottom of the fixed power box 1 and the movable power box 9 are both provided with a counterweight 18 to adjust the center of gravity.

[0048] Working principle: First, the first electrical device 4 draws power from the cable body 2, that is, the current transformer on the first electrical device 4 obtains induced power, and after conversion by the power conversion module, a voltage capable of supplying power to the infrared radiation heater 7 and the hot air blower 8 is obtained. When ice and snow accumulate on the first tilt sensor 6, the first tilt sensor 6 sends a signal to the first controller 5, and the first controller 5 controls the infrared radiation heater 7 and the hot air blower 8 to obtain power. The infrared radiation heater 7 and the hot air blower 8 heat the insulator 3, so that the insulator 3 is de-iced. Secondly, the second electrical device 10 draws power from the cable body 2, that is, the current transformer on the second electrical device 10 obtains induced power, and after conversion by the power conversion module, a voltage capable of supplying power to the electric heater 13 is obtained. When ice and snow accumulate on the first tilt sensor 6, the first tilt sensor 6 sends a signal to the first controller 5, and the first controller 5 controls the infrared radiation heater 7 and the hot air blower 8 to obtain power. The infrared radiation heater 7 and the hot air blower 8 heat the insulator 3, so that the insulator 3 is de-iced. When the second tilt sensor 12 is on, the second tilt sensor 12 sends a signal to the second controller 11, the second controller 11 controls the electric heater 13 and the drive motor 141 to supply power, the drive motor 141 rotates to drive the active wheel 142 to rotate, the active wheel 142 rotates to drive the two driven wheels 143 to rotate, and then drives the movable power box 9 to move on the cable body 2, the electric heater 13 heats and de-ices the surface of the cable body 2 through which the movable power box 9 passes, and finally, when the movable power box 9 moves to the insulator 3, the contact switch 15 obtains a signal and enables the second controller 11 to control the servo driver, and the drive motor 141 changes the rotation direction under the control of the servo driver, thereby realizing the reciprocating motion of the movable power box 9 on the cable body 2, so that the de-icing effect is good.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A deicing device for high voltage cables, characterized in that: include: A fixed power supply box (1) is arranged on the cable body (2), and the fixed power supply box (1) is close to the insulator (3); A first power supply (4) is arranged in the fixed power supply box (1), the current transformer on the first power supply (4) is sleeved on the cable body (2), and the power conversion module of the first power supply (4) is connected to a first controller (5); A first tilt sensor (6), which is arranged on the insulator (3), and the first tilt sensor (6) is electrically connected to the first controller (5); an infrared radiation heater (7), which is arranged on the top of the fixed power supply box (1) and is aligned with the insulator (3), and the infrared radiation heater (7) is electrically connected to the first controller (5); A hot air blower (8), which is arranged on the top of the fixed power supply box (1) and is aligned with the insulator (3), and the hot air blower (8) is electrically connected to the first controller (5); A movable power supply box (9) which is slidably connected to the cable body (2); A second power supply (10) is arranged in the movable power supply box (9), the current transformer on the second power supply (10) is sleeved on the cable body (2), and the power conversion module of the second power supply (10) is connected to a second controller (11); A second tilt sensor (12), which is arranged on the movable power supply box (9), and the second tilt sensor (12) is electrically connected to the second controller (11); an electric heater (13), which is sleeved on the cable body (2), and the electric heater (13) is electrically connected to the second controller (11); A driving mechanism (14) is arranged on the movable power supply box (9) and is electrically connected to the second controller (11), and the driving mechanism (14) abuts against the cable body (2).

2. A deicing device for high voltage cables according to claim 1, characterized in that: The driving mechanism (14) comprises a driving motor (141), a driving wheel (142) and two driven wheels (143); the two driven wheels (143) are hinged on the movable power supply box (9), and the surfaces of the two driven wheels (143) are against the cable body (2); the driving wheel (142) is hinged on the movable power supply box (9), and the driving wheel (142) is tangent to the two driven wheels (143); the driving motor (141) is mounted on the movable power supply box (9) and is electrically connected to the second controller (11), and the driving motor (141) is connected to and drives the driving wheel (142).

3. A deicing device for high voltage cables according to claim 2, characterized in that: Contact switches (15) are provided on opposite sides of the movable power supply box (9), the two contact switches (15) are electrically connected to the second controller (11), and the drive motor (141) is connected to the second controller (11) via a servo driver.

4. A deicing device for high voltage cables according to claim 3, characterized in that: The movable power supply box (9) is provided with an air avoidance hole (16), the cable body (2) passes through the air avoidance hole (16), and the inner wall of the air avoidance hole (16) is provided with a wear-resistant layer (17).

5. A deicing device for high voltage cables according to claim 4, characterized in that: The bottoms of the fixed power supply box (1) and the movable power supply box (9) are both provided with a counterweight (18).

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