Lightning protection insulator protection device

Abstract

The utility model discloses a lightning protection insulator protection device, which belongs to the field of insulators and comprises a fitting top end, two opposite sides of the fitting top end are respectively connected with a high-voltage end and an arc-shaped low-voltage end, the outer side wall of the arc-shaped low-voltage end is connected with a plurality of flame-retardant rings, and an insulating sleeve is arranged below the fitting top end. A plurality of umbrella-shaped insulators are connected to the outer side wall of the insulating sleeve, a grounding end is arranged at the bottom end of the insulating sleeve, rotating rings are arranged below the umbrella-shaped insulators, a plurality of inclined fan blades are connected to the outer side walls of the rotating rings, cleaning brushes are connected to the top ends of the rotating rings through special-shaped rods, and a blocking liquid guide plate is arranged between every two adjacent inclined fan blades. According to the utility model, through the arrangement of the flame-retardant ring, the damage of the arc-shaped low-voltage end in a short-circuit channel state can be reduced by using the flame-retardant ring, the safety of a power transmission line is ensured, and meanwhile, through the arrangement of the inclined fan blades and the cleaning brush, the upper surface of the umbrella-shaped insulator can be cleaned by using wind power, and the water accumulation condition in rainstorm weather is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of insulators, in particular to a lightning protection insulator protection device. Background Art

[0002] Lightning protection insulators have lightning protection functions. These lightning protection insulators have reliable performance, convenient installation and construction, low investment and high returns, providing a more economical, safer and more effective way for the power sector.

[0003] As more and more 10KV distribution lines in major and medium-sized cities in my country use insulated conductors as overhead distribution lines, how to avoid lightning strikes and line breakage during the operation of insulated conductors becomes particularly important. After long-term use, the upper end surface of the insulating umbrella group of existing lightning protection insulators will be contaminated with a large amount of dust. In heavy rain weather, it is easy for rainwater to gather and flow down in the form of water columns, so that some electrons are conducted to the electric poles along the water column path. At the same time, when the specified lightning overvoltage occurs, the gap between the arc low-voltage end and the grounding end will be broken down to form a short-circuit channel, and the subsequent power frequency arc will burn on the arc low-voltage end to release overvoltage energy to protect the wire from burns. This will cause damage to the overall lightning protection insulator and requires regular maintenance and replacement. Therefore, a lightning protection insulator protection device is proposed. Utility Model Content

[0004] The utility model aims to solve the problem that the lightning protection insulator in the prior art lacks protection during use, and proposes a lightning protection insulator protection device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A lightning insulator protection device comprises a hardware top end, wherein two opposite sides of the hardware top end are respectively connected to a high voltage end and an arc-shaped low voltage end, a plurality of flame retardant rings are connected to the outer side wall of the arc-shaped low voltage end, an insulating sleeve is arranged below the hardware top end, a plurality of umbrella-shaped insulators are connected to the outer side wall of the insulating sleeve, a grounding terminal is arranged at the bottom end of the insulating sleeve, a swivel is arranged below the plurality of umbrella-shaped insulators, a plurality of oblique blades are connected to the outer side wall of the swivel, a cleaning brush is connected to the top end of the swivel through a special-shaped rod, and a blocking liquid guide plate is arranged between two adjacent oblique blades.

[0007] Preferably, the top side wall of the hardware is fixedly connected to the high-voltage end, the other side wall opposite to the top of the hardware is fixedly connected to the arc-shaped low-voltage end side wall, and the top of the insulating sleeve is connected to the bottom end surface of the top of the hardware.

[0008] Preferably, the outer wall of the insulating sleeve is fixedly connected to the inner wall of the umbrella-shaped insulator, the bottom end of the insulating sleeve is connected to the top surface of the grounding end, and the inner walls of the multiple flame-retardant rings are fixedly connected to the outer wall of the arc-shaped low-voltage end.

[0009] Preferably, the inner wall of the rotating ring is rotatably connected to the outer wall of the insulating sleeve, and the outer wall of the rotating ring is fixedly connected to the narrow end faces of a plurality of oblique fan blades, and the plurality of oblique fan blades are evenly arranged in an array.

[0010] Preferably, the top end of the swivel is fixedly connected to the bottom end of the special-shaped rod, and the top end of the special-shaped rod is fixedly connected to the side wall of the cleaning brush.

[0011] Preferably, the bottom end surface of the cleaning brush is matched with the upper end surface of the umbrella-shaped insulator, and the top end of the cleaning brush is a semicircular arc structure.

[0012] Preferably, two ends of the blocking liquid-conducting plate are respectively fixedly connected to adjacent side walls of two adjacent oblique fan blades, and the blocking liquid-conducting plate is arranged obliquely and is located on the same vertical arc surface as the edge of the umbrella-shaped insulator.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This scheme can reduce the damage of the arc-shaped low-voltage end in the short-circuit channel state by setting the flame-retardant ring, thereby increasing the service life of the insulator in this state and ensuring the safety of the transmission line.

[0015] 2. This solution can use wind power to clean the upper surface of the umbrella-shaped insulator by setting up oblique fan blades and cleaning brushes, avoid water accumulation in heavy rain weather, and block water flow that may flow down in the form of water columns to ensure circuit safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a lightning protection insulator protection device proposed by the utility model Figure 1 ;

[0017] Figure 2 A schematic diagram of the three-dimensional structure of a lightning protection insulator protection device proposed by the utility model Figure 2 ;

[0018] Figure 3 This is a structural schematic diagram of the assembly of a rotating ring and an insulating sleeve in a lightning protection insulator protection device proposed by the utility model;

[0019] Figure 4 The utility model provides a schematic structural diagram of the cleaning brush position in a lightning protection insulator protection device.

[0020] In the figure: 1. Top of the hardware; 2. High-voltage end; 3. Arc-shaped low-voltage end; 4. Insulating sleeve; 5. Umbrella-shaped insulator; 6. Grounding end; 7. Flame-retardant ring; 8. Swivel; 9. Oblique fan blades; 10. Special-shaped rod; 11. Cleaning brush; 12. Blocking liquid guide plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] Reference Figure 1-4 A lightning protection insulator protection device comprises a metal fitting top 1, two opposite sides of the metal fitting top 1 are respectively connected with a high voltage end 2 and an arc-shaped low voltage end 3, and a plurality of flame retardant rings 7 are connected to the outer wall of the arc-shaped low voltage end 3;

[0024] Furthermore, the side wall of the top end 1 of the hardware is fixedly connected to the end of the high-voltage end 2, the other side wall opposite to the top end 1 of the hardware is fixedly connected to the side wall of the arc-shaped low-voltage end 3, the top end of the insulating sleeve 4 is connected to the bottom end surface of the top end 1 of the hardware, the outer side wall of the insulating sleeve 4 is fixedly connected to the inner side wall of the umbrella-shaped insulator 5, the bottom end of the insulating sleeve 4 is connected to the top end surface of the grounding end 6, and the inner side walls of multiple flame retardant rings 7 are fixedly connected to the outer side wall of the arc-shaped low-voltage end 3;

[0025] It should be noted that: when multiple flame retardant rings 7 are installed on the outer wall of the arc-shaped low-voltage terminal 3, if the insulator encounters a lightning overvoltage exceeding the specified value during use, the gap between the arc-shaped low-voltage terminal 3 and the grounding terminal 6 is broken down to form a short-circuit channel, causing damage to the arc-shaped low-voltage terminal 3, and the flame retardant ring 7 can reduce the damage to the arc-shaped low-voltage terminal 3 in this state;

[0026] A further advantage of adopting the above method is that the service life of the insulator in this state can be increased, thereby ensuring the safety of the transmission line.

[0027] An insulating sleeve 4 is arranged below the top end 1 of the hardware, and a plurality of umbrella-shaped insulators 5 are connected to the outer wall of the insulating sleeve 4. A grounding terminal 6 is arranged at the bottom end of the insulating sleeve 4. A swivel 8 is arranged below the plurality of umbrella-shaped insulators 5, and a plurality of oblique blades 9 are connected to the outer wall of the swivel 8. A cleaning brush 11 is connected to the top end of the swivel 8 through a special-shaped rod 10, and a blocking liquid guide plate 12 is arranged between two adjacent oblique blades 9;

[0028] Further, the inner wall of the swivel 8 is rotatably connected to the outer wall of the insulating sleeve 4, the outer wall of the swivel 8 is fixedly connected to the narrow end faces of the plurality of oblique blades 9, the plurality of oblique blades 9 are evenly arranged in an array, the top of the swivel 8 is fixedly connected to the bottom end of the special-shaped rod 10, the top of the special-shaped rod 10 is fixedly connected to the side wall of the cleaning brush 11, the bottom end face of the cleaning brush 11 is adapted to the upper end face of the umbrella-shaped insulator 5, the top of the cleaning brush 11 is a semicircular arc structure, the two ends of the blocking liquid guide plate 12 are respectively fixedly connected to the adjacent side walls of two adjacent oblique blades 9, the blocking liquid guide plate 12 is inclined, and is located on the same vertical arc surface as the edge of the umbrella-shaped insulator 5;

[0029] It should be noted that: when encountering airflow at high altitude, the oblique fan blades 9 rotate on the insulating sleeve 4 using the swivel 8 under the action of the airflow, and the rotation of the swivel 8 drives the special-shaped rod 10 to rotate, and the rotation of the special-shaped rod 10 drives the cleaning brush 11 above to rotate on the umbrella-shaped insulator 5, so as to clean up the dust accumulated on the umbrella-shaped insulator 5, and in heavy rain weather, when a water column flows down from the umbrella-shaped insulator 5, it will flow to the blocking liquid guide plate 12 to cut off the flow, and the obliquely arranged blocking liquid guide plate 12 will guide the water flow to the oblique fan blades 9, and push the swivel 8 to rotate slowly, thereby improving the drainage efficiency above the umbrella-shaped insulator 5 and avoiding water accumulation;

[0030] A further advantage of adopting the above method is that the upper surface of the umbrella-shaped insulator 5 can be cleaned by wind force, thereby avoiding water accumulation in rainstorms and blocking water that may flow down in the form of water columns, thereby ensuring circuit safety.

[0031] When the utility model is used, multiple flame retardant rings 7 are installed on the outer wall of the arc-shaped low-voltage end 3. If the insulator encounters a lightning overvoltage exceeding the specified value during use, the gap between the arc-shaped low-voltage end 3 and the grounding end 6 is broken down to form a short-circuit channel, causing damage to the arc-shaped low-voltage end 3. The flame retardant ring 7 can reduce the damage to the arc-shaped low-voltage end 3 in this state, thereby increasing the service life of the insulator in this state and ensuring the safety of the transmission line.

[0032] When encountering airflow in the sky, the oblique fan blades 9 rotate on the insulating sleeve 4 using the swivel 8 under the action of the airflow. The rotation of the swivel 8 will drive the special-shaped rod 10 to rotate. The rotation of the special-shaped rod 10 drives the cleaning brush 11 above to rotate on the umbrella-shaped insulator 5, so as to clean up the dust accumulated on the umbrella-shaped insulator 5. In heavy rain, when a water column flows down from the umbrella-shaped insulator 5, it will flow to the blocking liquid guide plate 12 to cut off the flow. The obliquely arranged blocking liquid guide plate 12 will guide the water flow to the oblique fan blades 9 and push the swivel 8 to rotate slowly, thereby improving the drainage efficiency above the umbrella-shaped insulator 5 and avoiding water accumulation. In this way, the wind force can be used to clean the upper surface of the umbrella-shaped insulator 5 to avoid water accumulation in heavy rain, and the water flow that may flow down in the form of a water column can be blocked to ensure the safety of the circuit.

[0033] 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 lightning protection insulator protection device, comprising a hardware top (1), characterized in that: The top (1) of the hardware is connected to a high-voltage end (2) and an arc-shaped low-voltage end (3) on opposite sides, and a plurality of flame-retardant rings (7) are connected to the outer wall of the arc-shaped low-voltage end (3). An insulating sleeve (4) is arranged below the top (1) of the hardware, and a plurality of umbrella-shaped insulators (5) are connected to the outer wall of the insulating sleeve (4). A grounding end (6) is arranged at the bottom end of the insulating sleeve (4). A rotating ring (8) is arranged below the plurality of umbrella-shaped insulators (5), and a plurality of oblique blades (9) are connected to the outer wall of the rotating ring (8). A cleaning brush (11) is connected to the top of the rotating ring (8) via a special-shaped rod (10), and a blocking liquid guide plate (12) is arranged between two adjacent oblique blades (9).

2. A lightning protection insulator protection device according to claim 1, characterized in that: The side wall of the top end (1) of the hardware fitting is fixedly connected to the end of the high-voltage end (2), the other side wall opposite to the top end (1) of the hardware fitting is fixedly connected to the side wall of the arc-shaped low-voltage end (3), and the top end of the insulating sleeve (4) is connected to the bottom end surface of the top end (1) of the hardware fitting.

3. A lightning protection insulator protection device according to claim 1, characterized in that: The outer wall of the insulating sleeve (4) is fixedly connected to the inner wall of the umbrella-shaped insulator (5), the bottom end of the insulating sleeve (4) is connected to the top surface of the grounding end (6), and the inner walls of the plurality of flame retardant rings (7) are fixedly connected to the outer wall of the arc-shaped low-voltage end (3).

4. A lightning protection insulator protection device according to claim 1, characterized in that: The inner wall of the rotating ring (8) is rotatably connected to the outer wall of the insulating sleeve (4), and the outer wall of the rotating ring (8) is fixedly connected to the narrow end faces of a plurality of oblique fan blades (9), and the plurality of oblique fan blades (9) are evenly arranged in an array.

5. A lightning protection insulator protection device according to claim 1, characterized in that: The top end of the rotating ring (8) is fixedly connected to the bottom end of the special-shaped rod (10), and the top end of the special-shaped rod (10) is fixedly connected to the side wall of the cleaning brush (11).

6. A lightning protection insulator protection device according to claim 1, characterized in that: The bottom end surface of the cleaning brush (11) is matched with the upper end surface of the umbrella-shaped insulator (5), and the top end of the cleaning brush (11) is a semicircular arc structure.

7. A lightning protection insulator protection device according to claim 1, characterized in that: The two ends of the blocking liquid guide plate (12) are respectively fixedly connected to adjacent side walls of two adjacent oblique fan blades (9); the blocking liquid guide plate (12) is arranged in an inclined manner and is located on the same vertical arc surface as the edge of the umbrella-shaped insulator (5).

Images