Surface self-cleaning glass insulator
By using a wind-driven cleaning brush and a micro-generator unit working together, the problem of dust accumulation and insufficient coating durability on the surface of glass insulators is solved, achieving a long-term self-cleaning effect without manual maintenance.
Patent Information
- Application Number
- CN202511932865.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-19
- Publication Date
- 2026-03-17
AI Technical Summary
Dust and dirt tend to accumulate on the surface of existing glass insulators. The durability of hydrophobic or anti-fouling coatings is insufficient, making it difficult to achieve long-term cleanliness.
Design a self-cleaning glass insulator that uses wind power to drive the cleaning brush to rotate, combined with a micro-power generation unit and a vibrating component, to achieve autonomous cleaning.
It achieves long-term self-cleaning capability without manual maintenance, improves cleaning efficiency and the cleanliness of the insulator surface, and reduces maintenance costs and risks.
Smart Images
Figure CN121687658A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of glass insulator technology, and in particular to a surface-cleaning glass insulator. Background Technology
[0002] Glass insulators are commonly used insulating support components in power transmission lines, and are widely installed on transmission towers, distribution lines, and tension sections. Their main functions are to isolate conductor potential, maintain the electrical safety of the line, and withstand long-term mechanical tension and environmental stress. Due to the advantages of glass material, such as high transparency, high mechanical strength, good thermal stability, and resistance to aging, it is widely used in the insulating support structure of high-voltage and ultra-high-voltage transmission lines.
[0003] However, glass insulators are usually exposed to high-altitude outdoor environments for extended periods, and their surfaces inevitably accumulate pollutants such as dust, industrial emissions particles, and salt spray. As usage time increases, these deposits form a contamination layer on the insulator surface, leading to a decrease in surface resistance. In extreme cases, this can easily result in leakage current and localized arcing, thereby inducing flashover accidents. This type of pollution flashover problem is particularly prominent in coastal areas, dusty areas, and industrially polluted areas, seriously affecting the safe operation of transmission lines.
[0004] Existing industry-wide measures to address surface contamination of glass insulators mainly include manual cleaning, helicopter water washing, and spray robot cleaning. However, these methods suffer from drawbacks such as high labor costs, significant operational risks, long cleaning cycles, and inability to be implemented under adverse weather conditions, making it difficult to meet the daily operation and maintenance needs of large-scale transmission lines. Another approach involves modifying the insulator's skirt structure to enable it to have a certain degree of natural rinsing capability. However, for fine dust, sticky dirt, and long-term accumulated complex pollutants, structural optimization still struggles to achieve long-term effective self-cleaning.
[0005] On the other hand, some existing technologies attempt to add hydrophobic or anti-fouling coatings to the surface of insulators, allowing water droplets to roll off the surface and carry away contaminants. However, these coatings are prone to failure under outdoor ultraviolet radiation, high and low temperature cycles, and wind and sand erosion, requiring regular recoating or maintenance, which is insufficient to meet the maintenance-free requirements of transmission lines throughout their lifespan. Furthermore, coating damage can lead to uneven surface properties, potentially exacerbating localized contamination deposition and affecting insulation reliability.
[0006] Therefore, achieving a more durable, efficient, and maintenance-free surface self-cleaning capability on the insulator structure itself has become a key direction for the development of glass insulator technology. In particular, enabling glass insulators to automatically decontaminate under rain, wind, or minor environmental disturbances while maintaining their original mechanical, electrical, and thermal properties remains a challenge that current technology has not yet solved.
[0007] In summary, the existing technology has at least the following technical problems: The existing glass insulators have technical problems such as the easy accumulation of dust and dirt on the surface, and the insufficient durability of hydrophobic or anti-fouling coatings, which makes it difficult to achieve long-term cleanliness. Summary of the Invention
[0008] The purpose of this invention is to provide a self-cleaning glass insulator to solve the technical problems of existing glass insulators where dust and dirt easily accumulate on the surface and the use of hydrophobic or anti-fouling coatings has insufficient durability, making it difficult to achieve long-term cleanliness.
[0009] The preferred technical solutions among the many technical solutions provided by this invention can produce a variety of technical effects, which are described in detail below.
[0010] To address the aforementioned technical problems, the present invention provides the following technical solution: This invention provides a self-cleaning glass insulator, comprising a glass insulator body and a self-cleaning device disposed on the outside of the glass insulator body; the self-cleaning device includes a rotation center disposed around the central axis of the glass insulator body and a plurality of cleaning brushes connected to the rotation center; each cleaning brush includes a brush portion and a fan portion disposed opposite to each other, the outer arc surface of the brush portion elastically fitting the outer surface of the glass insulator body, and the fan portion being used to drive the cleaning brush to rotate around the rotation center under the action of wind; a vibrating element is disposed inside the end of the cleaning brush; a micro-power generation unit is disposed inside the rotation center, and the micro-power generation unit is electrically connected to each of the vibrating elements; the micro-power generation unit generates electricity by being driven to rotate by the wind of the cleaning brush, and drives the vibrating elements to vibrate to assist the brush portion in cleaning the outer surface of the glass insulator body.
[0011] In one embodiment, the airfoil is an arc-shaped airfoil or a zigzag-shaped airfoil with a bent air guide surface to improve wind-driven efficiency.
[0012] In one embodiment, the brush portion is made of weather-resistant flexible bristles, and the bristle density is between 50 and 150 bristles / cm².
[0013] In one embodiment, the weather-resistant flexible brush bristles are any one of PTFE fiber bristles, PBT fiber bristles, PA6 weather-resistant modified fiber bristles, PPS fiber bristles, and UHMWPE fiber bristles.
[0014] In one embodiment, a plurality of the cleaning brushes are evenly distributed along the circumference, and the number is 3 to 6.
[0015] In one embodiment, the vibrating element is any one of an eccentric motor, a piezoelectric vibrator, or a micro magnetoelectric vibrator.
[0016] In one embodiment, a glass insulating cylinder is fitted onto the tail end of the glass insulator body, the inner ring of the glass insulating cylinder is installed on the outer ring of the tail end of the glass insulator body, and the self-cleaning device is fitted onto the outer ring of the glass insulating cylinder.
[0017] In one embodiment, the rotation center includes an insulating outer shell, an insulating bushing, and a turntable; the cleaning brush is fixed to the outer edge of the turntable via a connecting arm; the insulating bushing is rotatably sleeved on the outer ring of the glass insulating cylinder, and the insulating bushing is connected to the inner ring of the turntable; the turntable rotates around the axis of the glass insulating cylinder under the wind power driven by the cleaning brush; the micro-power generation unit is disposed inside the insulating outer shell and sleeved between the insulating outer shell and the insulating bushing.
[0018] In one embodiment, a plurality of rolling bearings are provided between the insulating bushing and the outer ring of the glass insulating cylinder.
[0019] In one embodiment, the micro-power generation unit includes a magnetoelectric power generation mechanism composed of a permanent magnet and windings, and a rectification and energy storage module. The magnetoelectric power generation mechanism is electrically connected to the rectification and energy storage module. The inner rotor of the magnetoelectric power generation mechanism is sleeved outside the insulating bushing, and the outer rotor of the magnetoelectric power generation mechanism is sleeved inside the insulating shell. The insulating bushing drives the inner rotor to rotate, and the magnetoelectric power generation mechanism generates electrical energy, which enters the rectification and energy storage module through the input terminal of the rectification and energy storage module. The electrical energy is stored after rectification. The output terminal of the rectification and energy storage module is electrically connected to the vibrating element.
[0020] In one embodiment, a first conductive brush and a second conductive brush are also included; the rectifier and energy storage module is disposed within the insulating housing; the input terminal of the rectifier and energy storage module is electrically connected to the output terminal of the magnetoelectric power generation mechanism via the first conductive brush; the vibrating element is electrically connected to the output terminal of the rectifier and energy storage module via the second conductive brush.
[0021] The beneficial effects of this invention are as follows: (1) The cleaning brush is self-driven and rotated by natural wind power, avoiding the reliance on manual labor or special equipment for traditional cleaning. Through the relative arrangement of the wind vane and the brush, the wind vane faces outward from the glass insulator body and the brush faces outward from the glass insulator body. The cleaning brush can automatically rotate around the glass insulator body under the action of natural wind power, so that the brush can continuously wipe the outer surface of the glass insulator body, achieving completely passive mechanical cleaning, significantly reducing manual maintenance costs and maintenance risks.
[0022] (2) The mechanical wiping of the brush part close to the outer surface of the glass insulator body can effectively remove fine dust and long-term accumulated dirt; the brush part is made of weather-resistant flexible fiber, and the outer arc surface is elastically attached to the outer surface of the glass insulator body. During the rotation, a circumferential wiping trajectory is formed, which can effectively remove strongly adhering dust, industrial dust and salt spray deposits, and improve cleaning efficiency.
[0023] (3) The micro power generation unit and the vibrating component work together to improve the cleaning effect and achieve long-term stable self-cleaning ability; when the air wing pushes the cleaning brush to rotate, it drives the micro power generation unit to generate electricity, and drives the vibrating component at the end of the cleaning brush to work through the power generation self-powered method, so that the brush part superimposes high-frequency micro-vibration during the wiping process, which significantly improves the ability to remove adhesive dirt, salt crystals and fine particles.
[0024] (4) It does not rely on coatings to achieve a non-aging and long-lasting self-cleaning solution with excellent long-term weather resistance. The self-cleaning effect is achieved through mechanical structure. It does not rely on hydrophobic coatings, anti-fouling coatings and other easily aging materials. There will be no problems of coating peeling, failure or secondary pollution. It is suitable for complex environments such as long-term high temperature, ultraviolet radiation, wind, sand and rain and snow.
[0025] (5) A collaborative cleaning system consisting of wind power drive, mechanical brushing, vibration assistance, and self-generated power improves the comprehensiveness and stability of cleaning; multiple cleaning brushes are evenly distributed along the circumference to achieve multi-point synchronous cleaning; the vibrating component enhances the cleaning depth; wind drive requires no energy consumption; and the micro-generator unit forms a self-sustaining energy system. The overall collaboration achieves long-term, stable, and efficient automatic cleaning, significantly improving the surface cleanliness and electrical reliability of glass insulators during long-term operation.
[0026] In summary, the innovative mechanical structure enables a completely autonomous, maintenance-free, and highly weather-resistant cleaning solution for the outer surface of glass insulators. This solution addresses existing technical issues such as weak self-cleaning ability, poor coating durability, and high long-term maintenance costs, allowing glass insulators to maintain their insulation performance. Attached Figure Description
[0027] To more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0028] Figure 1 This is an isometric structural diagram of the assembly of the glass insulator body, glass insulating cylinder, and self-cleaning device of the present invention; Figure 2This is a cross-sectional structural diagram of the glass insulator body, glass insulating cylinder and self-cleaning device assembled according to the present invention; Figure 3 This is a rear view structural diagram of the cleaning brush of the present invention; Figure 4 This is a rear view schematic diagram of the assembly of the glass insulator body, glass insulating cylinder and self-cleaning device of the present invention.
[0029] The reference numerals in the attached figures are as follows: 1. Glass insulator body; 11. Glass insulation cylinder; 2. Self-cleaning device; 3. Rotation center; 31. Insulating housing; 32. Insulating bushing; 33. Turntable; 34. Rolling bearing; 4. Cleaning brush; 41. Brush section; 42. Air vane section; 43. Connecting arm; 44. Vibrating component; 441. Wire; 5. Micro generator unit; 51. Magnetoelectric generator mechanism; 511. Inner rotor; 512. Outer rotor; 52. Rectifier and energy storage module; 53. First conductive brush; 54. Second conductive brush. Detailed Implementation
[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
[0031] A self-cleaning glass insulator is provided in this specific embodiment, comprising a glass insulator body and a self-cleaning device disposed on the outer side. The self-cleaning device includes a rotation center established around the central axis of the glass insulator body and several cleaning brushes connected to the rotation center. Each cleaning brush has a brush portion and a fan portion arranged opposite to each other. The outer arc surface of the brush portion is in contact with the outer surface of the glass insulator body, and the fan portion faces outward from the glass insulator body and drives the cleaning brush to rotate around the rotation center under the action of wind. A vibrating element is provided at the end of the cleaning brush, and a micro-power generation unit is provided in the rotation center. The micro-power generation unit generates electricity by driving the cleaning brush to rotate under wind power and supplies power to the vibrating element, causing it to vibrate to assist the brush portion in cleaning the surface of the glass insulator. This invention achieves long-term automatic cleaning of the glass insulator through the synergistic effect of wind-driven, mechanical brushing, and vibration-assisted cleaning, improving its dirt resistance and operational reliability, and eliminating the need for manual maintenance. It effectively solves the technical problems of easy accumulation of dust and dirt on the surface of existing glass insulators and the insufficient durability of hydrophobic or anti-fouling coatings, which makes it difficult to achieve long-term cleanliness.
[0032] The first implementation of a surface self-cleaning glass insulator, for example Figures 1 to 4As shown, the device includes a glass insulator body 1 and a self-cleaning device 2 disposed on the outside of the glass insulator body 1. The self-cleaning device 2 includes a rotation center 3 disposed around the central axis of the glass insulator body 1 and several cleaning brushes 4 connected to the rotation center 3. Each cleaning brush 4 includes a brush portion 41 and a wind vane portion 42 disposed opposite to each other. The outer arc surface of the brush portion 41 is elastically fitted with the outer surface of the glass insulator body 1. The wind vane portion 42 is used to drive the cleaning brush 4 to rotate around the rotation center 3 under the action of wind. A vibrating element 44 is disposed inside the end of the cleaning brush 4. A micro power generation unit 5 is disposed inside the rotation center 3. The micro power generation unit 5 is electrically connected to each vibrating element 44. The micro power generation unit 5 generates electricity by being driven to rotate by the wind of the cleaning brush 4, and drives the vibrating element 44 to vibrate to assist the brush portion 41 in cleaning the outer surface of the glass insulator body 1.
[0033] To address the problem that existing glass insulators easily accumulate dust and dirt during long-term outdoor use, and that the reliance on hydrophobic or anti-fouling coatings is insufficient in durability, making it difficult to maintain long-term cleanliness, a glass insulator structure that achieves self-cleaning without manual cleaning or external power is proposed. This structure offers several technical advantages: it utilizes natural wind power to drive the cleaning brush 4 to rotate automatically, avoiding the reliance on manual labor or specialized equipment in traditional cleaning; through the relative arrangement of the wind vane 42 and the brush 41, with the wind vane 42 facing outwards from the glass insulator body 1 and the brush 41 facing the outer surface of the glass insulator body 1, the cleaning brush 4 automatically rotates around the glass insulator body 1 under the action of natural wind power, allowing the brush 41 to continuously wipe the outer surface of the glass insulator body 1, achieving completely passive mechanical cleaning and significantly reducing manual maintenance costs and repair risks.
[0034] The mechanical wiping of the brush part 41, which is in close contact with the outer surface of the glass insulator body 1, can effectively remove fine dust and long-term accumulated dirt. The brush part 41 is made of weather-resistant flexible fiber, and its outer arc surface is elastically attached to the outer surface of the glass insulator body 1. During the rotation, it forms a circumferential wiping trajectory, which can effectively remove strongly adhering dust, industrial dust and salt spray deposits, and improve cleaning efficiency.
[0035] The micro-power generation unit 5 and the vibrating element 44 work together to improve the cleaning effect and achieve long-term stable self-cleaning ability. When the fan wing 42 pushes the cleaning brush 4 to rotate, it simultaneously drives the micro-power generation unit 5 to generate electricity. The vibrating element 44 at the end of the cleaning brush 4 is driven to work by the self-powered generator, so that the brush part 41 superimposes high-frequency micro-vibration during the wiping process, which significantly improves the ability to remove adhesive dirt, salt crystals and fine particles.
[0036] It achieves a non-aging, long-lasting self-cleaning solution without relying on coatings, and has excellent long-term weather resistance. The self-cleaning effect is achieved through mechanical structure, without relying on hydrophobic coatings, anti-fouling coatings or other easily aging materials, and there will be no problems such as coating peeling, failure or secondary pollution. It is suitable for complex environments such as long-term high temperature, ultraviolet radiation, wind, sand and rain and snow.
[0037] A collaborative cleaning system comprised of wind power, mechanical brushing, vibration assistance, and self-generated power enhances the comprehensiveness and stability of cleaning. Multiple cleaning brushes 4 are evenly distributed along the circumference, enabling simultaneous multi-point cleaning. Vibrating components 44 increase cleaning depth. Wind power requires no energy consumption. A micro-generator unit 5 forms a self-sustaining energy system. This overall collaboration achieves long-term, stable, and efficient automatic cleaning, significantly improving the surface cleanliness and electrical reliability of glass insulators during long-term operation.
[0038] In summary, the innovative mechanical structure enables a completely autonomous, maintenance-free, and highly weather-resistant cleaning solution for the outer surface of the glass insulator body 1. This solution addresses the technical problems in existing technologies, such as weak self-cleaning ability, poor coating durability, and high long-cycle maintenance costs, thus allowing the glass insulator to maintain its insulation performance.
[0039] As one alternative implementation method: Regarding the specific structural features of the glass insulator body 1 described above, this embodiment is as follows: Figure 1 and Figure 2 As shown, a glass insulating cylinder 11 is fitted at the tail of the glass insulator body 1, the inner ring of the glass insulating cylinder 11 is installed on the outer ring of the tail of the glass insulator body 1, and the self-cleaning device 2 is fitted on the outer ring of the glass insulating cylinder 11.
[0040] In application, the separately sleeved glass insulating cylinder 11 serves as a mounting support for the self-cleaning device 2 and the glass insulator body 1, and plays the role of fixing it to the glass insulator body 1 and fixing the self-cleaning device 2.
[0041] The glass insulating cylinder 11 serves as the mounting point for the self-cleaning device 2, enabling the self-cleaning device 2 to be stably fitted onto the outer ring of the glass insulator body 1. Its circumferential structure provides a standardized axial reference for the subsequent fitting of the rotation center 3 and the rotation of the turntable 33.
[0042] Furthermore, the structure of the glass insulating cylinder 11 avoids the loosening problem caused by wind or vibration in traditional external cleaning devices, and ensures that the cleaning brush 4 maintains a stable contact trajectory during rotation. This ensures that the brush part 41 continuously and evenly acts on the surface of the insulator, improves self-cleaning efficiency, and solves the technical problems of easy deviation, wear and instability of the cleaning mechanism during long-term outdoor operation.
[0043] The outer ring of the glass insulating cylinder 11 is covered with a silicone rubber coating to further improve insulation performance and weather resistance, as well as to enhance the stability of the self-cleaning device 2 installed on the outer ring of the glass insulating cylinder 11.
[0044] Regarding the specific structure of the aforementioned wing section 42, this embodiment is as follows: Figures 1 to 3 As shown, the wind vane 42 is an arc-shaped wind vane or a zigzag-shaped wind vane with a bent air guide surface to improve wind power driving efficiency.
[0045] When applied, the air wing 42 changes the natural airflow angle through its bent air guide surface, so that the wind force generates greater torque when impacting the air wing, and more easily drives the cleaning brush 4 to rotate around the glass insulator body 1. The air wing part 42 and the brush part 41 are arranged opposite to each other, so that the wind drive direction and the brush cleaning area are matched at the best angle, thus achieving stable rotation even under low wind speed conditions. The efficient wind capture capability of the wind vane 42 enables the micro power generation unit 5 to obtain more rotational energy, thereby increasing the power supply to the vibrating component 44 and solving the problem of unreliable operation of traditional mechanical cleaning devices in light wind environments.
[0046] The wing section 42 can be equipped with air guide slots, turbulence holes or multi-layer zigzag air guide vane structures to further enhance wind capture efficiency; the outer edge of the wing is covered with elastic rubber strips to reduce noise and impact risks during high-speed rotation.
[0047] Regarding the specific structure of the bristles used in the brush section 41, this embodiment is, for example... Figure 1 and Figure 3 As shown, the brush part 41 is made of weather-resistant flexible bristles, and the bristle density is between 50 and 150 bristles / cm².
[0048] Among them, the weather-resistant flexible bristles used in the brush part 41 are also elastic.
[0049] Specifically, the weather-resistant flexible brush bristles are any one of PTFE (fluorinated polymer fiber) fiber bristles, PBT (polybutylene terephthalate) fiber bristles, PA6 (modified nylon) weather-resistant modified fiber bristles, PPS (polyphenylene sulfide) fiber bristles, and UHMWPE (ultra-high molecular weight polyethylene) fiber bristles.
[0050] When applied, the brush part 41 is made of weather-resistant flexible bristles. When rotating, the elastic bristles can closely adhere to the surface of the umbrella skirt of the glass insulator body 1, and achieve continuous physical cleaning through flexible friction. The brush density is 50 to 150 bristles / cm², which ensures that it maintains sufficient contact area during the cleaning process without generating excessive resistance, thereby achieving a balance between the driving force of the wind vane part 42 and the friction force of the brush.
[0051] The high-frequency vibration of the flexible bristles and the vibrating element 44 works together to make it easier for adhesive dirt, salt crystal particles and fine dust to fall off under the vibration disturbance, and reduce the rotation jamming of the cleaning brush 4, and reduce the wear of the brush part 41 on the surface of the glass insulator body 1. This effectively solves the technical shortcomings of the traditional hydrophobic coating after aging and the technical problems of short life and rotation jamming of general rotating brushes.
[0052] The bristles can be set to different lengths to form a graded bristle structure, which improves the ability to remove dirt of different shapes; the brush part 41, the fan part 42, and the connecting arm 43 all adopt an integrated injection molding structure, which reduces connection fatigue and improves weather resistance life.
[0053] Furthermore, the vibrating component 44 is also injection molded together, and the wire 441 is led out at the end of the connecting arm 43 to be electrically connected to the rectifier and energy storage module 52.
[0054] Regarding the structural type of the aforementioned vibrating element 44, this embodiment is, for example... Figure 2 As shown, the vibrating element 44 is any one of an eccentric motor, a piezoelectric vibrator, or a micro magnetoelectric vibrator.
[0055] When applied, the vibrating element 44 generates high-frequency vibration under the power supply of the micro power generation unit 5, so that the brush part 41 rotates and wipes while superimposing oscillation action, forming a "rotation + vibration" composite cleaning mode. The presence of the vibrating element 44 enhances the ability of the brush part 41 to peel off adhering dirt, and has a significant cleaning effect, especially on industrial dust, rust salt spray and wet sticky particles.
[0056] The mechanical rotation driven by the vibrating element 44 and the air wing 42 works in tandem to enable the self-cleaning device 2 to maintain effective cleaning even at low wind speeds, thereby solving the technical defect of traditional pure mechanical wiping methods that are too dependent on wind power.
[0057] Regarding the specific structure of the aforementioned rotating center 3, and the specific coordination and arrangement of the rotating center 3 with the cleaning brush 4 and the micro-power generation unit 5, this embodiment is as follows: Figure 1 , Figure 2 and Figure 4 As shown, the rotating center 3 includes an insulating shell 31, an insulating bushing 32, and a turntable 33; the cleaning brush 4 is fixed to the outer edge of the turntable 33 via a connecting arm 43; the insulating bushing 32 is rotatably sleeved on the outer ring of the glass insulating cylinder 11, and the insulating bushing 32 is sleeved on the inner ring of the turntable 33; the turntable 33 rotates around the axis of the glass insulating cylinder 11 under the wind power drive of the cleaning brush 4; the micro power generation unit 5 is disposed inside the insulating shell 31 and sleeved between the insulating shell 31 and the insulating bushing 32.
[0058] Among them, multiple rolling bearings 34 are provided between the insulating bushing 32 and the outer ring of the glass insulating cylinder 11.
[0059] The connecting arm 43 of the cleaning brush 4 is made of a flexible material.
[0060] In application, the insulating bushing 32 is fitted onto the outer ring of the glass insulating cylinder 11, achieving low-friction rotation via the rolling bearing 34, allowing the cleaning brush 4 to be driven even in a light breeze. The turntable 33 is connected to the cleaning brush 4, allowing the turntable 33 to receive the torque generated by the wind vane 42, achieving synchronized rotation of the entire unit. The insulating outer shell 31 is used to cover the micro-power generation unit 5 and isolate the electrical components, improving the safety and weather resistance of the device.
[0061] The connecting arm 43, made of elastic material, allows the cleaning brush 4 to absorb impact and maintain a close fit during rotation, making the mechanical stability of the entire self-cleaning system stronger and thus solving the technical problems of easy jamming and wear of traditional rotating structures.
[0062] Rolling bearing 34 uses ceramic bearings or self-lubricating bearings to improve corrosion resistance and maintenance-free capability.
[0063] The connecting arm 43 and the bristles of the cleaning brush 4 are both flexible and elastic. The pressure applied by the brush part 41 to the surface of the glass insulator body 1 and the resulting friction can prevent the cleaning brush 4 from swinging randomly in a windless environment.
[0064] Regarding the specific structure of the aforementioned micro-power generation unit 5, this embodiment is, for example... Figure 2 As shown, the micro power generation unit 5 includes a magnetoelectric power generation mechanism 51 composed of a permanent magnet and windings, and a rectification and energy storage module 52. The magnetoelectric power generation mechanism 51 and the rectification and energy storage module 52 are electrically connected. The inner rotor 511 of the magnetoelectric power generation mechanism 51 is sleeved outside the insulating bushing 32, and the outer rotor 512 of the magnetoelectric power generation mechanism 51 is sleeved inside the insulating shell 31. The insulating bushing 32 drives the inner rotor 511 to rotate. The magnetoelectric power generation mechanism 51 generates electrical energy, which enters the rectification and energy storage module 52 through the input terminal of the rectification and energy storage module 52. The electrical energy is stored after rectification. The output terminal of the rectification and energy storage module 52 is electrically connected to the vibrating element 44.
[0065] When applied, the rotation of the insulating bushing 32 drives the inner rotor 511 of the magnetoelectric power generation mechanism 51 to rotate, while the outer rotor 512 remains relatively stationary, causing the winding to cut magnetic lines of force to generate electrical energy. The generated electrical energy is rectified and stabilized by the rectifier and energy storage module 52 and then output to the vibrating component 44, realizing the passive self-powered operation of the entire self-cleaning device 2.
[0066] The micro-power generation unit 5 does not require an external power source. In conjunction with the rotation mechanism driven by the wind vane 42, the self-cleaning device 2 can generate a continuous vibration cleaning effect for a long time without manual maintenance, solving the problem that traditional cleaning devices rely on external power and cannot operate on their own for a long time.
[0067] Regarding the electrical connection structure of the aforementioned rectifier and energy storage module 52, magnetoelectric power generation mechanism 51, and vibrating element 44 during the rotational power generation process, this embodiment is, for example... Figure 2 and Figure 3 As shown, it also includes a first conductive brush 53 and a second conductive brush 54; the rectifier and energy storage module 52 is disposed inside the insulating housing 31; the input end of the rectifier and energy storage module 52 is electrically connected to the output end of the magnetoelectric power generation mechanism 51 through the first conductive brush 53; the vibrating element 44 is electrically connected to the output end of the rectifier and energy storage module 52 through the second conductive brush 54.
[0068] Among them, the inner rotor 511 of the magnetoelectric power generation mechanism 51 is a component with an integrated permanent magnet, and the outer rotor 512 of the magnetoelectric power generation mechanism 51 is a component with an integrated winding; the input end of the rectifier and energy storage module 52 is electrically connected to the output end of the outer rotor 512 through the first conductive brush 53.
[0069] In application, the first conductive brush 53 is used to stably guide the output power of the magnetoelectric power generation mechanism 51 into the rectification and energy storage module 52 during the power generation process, and the second conductive brush 54 is used to output the rectified power to the rotating vibrating component 44. The conductive brush structure of the first conductive brush 53 and the second conductive brush 54 can realize reliable power transmission between the rotating component and the stationary component, so that the vibrating component 44 can continuously obtain power supply during the rotation process, thereby realizing a complete self-driven closed loop of "wind drive → power generation → vibration-assisted cleaning". It also solves the technical problems of easy wear and easy power failure in the electrical connection of traditional rotating cleaning devices, ensuring that the vibrating component 44 still has good power supply reliability in the rotating state.
[0070] A second embodiment of a surface-cleaning glass insulator, for example Figure 1 , Figure 2 and Figure 4 As shown, the difference between this embodiment and the first embodiment is that multiple cleaning brushes 4 are evenly distributed along the circumference, with a quantity of 3 to 6.
[0071] When applied, when multiple cleaning brushes 4 are evenly distributed along the circumference, wind forces from different directions can act simultaneously or alternately on each wind vane 42, making the overall wind torque more balanced, thereby significantly improving the stable rotation capability of the self-cleaning device 2 under different wind directions.
[0072] The arrangement of multiple cleaning brushes 4 causes the brush section 41 to form a multi-track, superimposed surface wiping path when rotating. This, together with the high-frequency vibration generated by the vibrating element 44, improves the coverage and cleaning rate of dirt on the surface of the glass insulator, making it easier to remove stubborn dust, salt spray deposits, etc.
[0073] This structure can also work in conjunction with the micro-power generation unit 5 to make the rotation speed more stable, thereby improving the power generation efficiency and ensuring that the vibrating element 44 receives a more continuous energy supply, so as to solve the technical problems of insufficient cleaning coverage, unstable rotation and insufficient cleaning intensity of the single brush structure in low wind speed environment.
[0074] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described.
Claims
1. A surface self-cleaning glass insulator, characterized in that, it comprises a glass insulator body and a self-cleaning device arranged outside the glass insulator body; a glass insulator cylinder is sleeved on the tail of the glass insulator body, the inner ring of the glass insulator cylinder is mounted on the outer ring of the tail of the glass insulator body, and the self-cleaning device is sleeved on the outer ring of the glass insulator cylinder; the self-cleaning device comprises a rotating center arranged around the central axis of the glass insulator body and a plurality of cleaning brushes connected with the rotating center; each cleaning brush comprises oppositely arranged brush part and airfoil part, the outer arc surface of the brush part is elastically attached to the outer surface of the glass insulator body, and the airfoil part is used to drive the cleaning brush to rotate around the rotating center under the action of wind force; the airfoil part is an arc airfoil or a broken line airfoil with a bent wind guide surface to improve the wind driving efficiency; a vibration piece is arranged at the end of the cleaning brush; a micro power generation unit is arranged in the rotating center, and the micro power generation unit is electrically connected with each vibration piece; the micro power generation unit generates electricity by the wind driven rotation of the cleaning brush, and drives the vibration piece to vibrate to assist the brush part to clean the outer surface of the glass insulator body. 2.A surface self-cleaning glass insulator according to claim 1, characterized in that, the brush part is made of weather-resistant flexible brush wire, and the brush density is between 50-150 root / cm2. 3.A surface self-cleaning glass insulator according to claim 2, characterized in that, the weather-resistant flexible brush wire is any one of PTFE fiber brush wire, PBT fiber brush wire, PA6 weather-resistant modified fiber brush wire, PPS fiber brush wire and UHMWPE fiber brush wire. 4.A surface self-cleaning glass insulator according to claim 1, characterized in that, a plurality of cleaning brushes are uniformly distributed along the circumference, and the number is 3-6. 5.A surface self-cleaning glass insulator according to claim 1, characterized in that, the vibration piece is any one of eccentric motor, piezoelectric vibrator or micro magneto-electric vibrator. 6.A surface self-cleaning glass insulator according to claim 1, characterized in that, the rotating center comprises an insulating shell, an insulating shaft sleeve and a rotating disc; the cleaning brush is fixed to the outer edge of the rotating disc through a connecting arm; the insulating shaft sleeve is rotatably sleeved on the outer ring of the glass insulator cylinder, and the insulating shaft sleeve is sleeved on the inner ring of the rotating disc; the rotating disc rotates around the axis of the glass insulator cylinder under the wind driven of the cleaning brush; the micro power generation unit is arranged in the insulating shell and is sleeved between the insulating shell and the insulating shaft sleeve. 7.A surface self-cleaning glass insulator according to claim 6, characterized in that, the micro power generation unit comprises a magneto-electric power generation mechanism composed of a permanent magnet and a winding, a rectification and energy storage module, and the magneto-electric power generation mechanism is electrically connected with the rectification and energy storage module; the inner rotor of the magneto-electric power generation mechanism is sleeved outside the insulating shaft sleeve, and the outer rotor of the magneto-electric power generation mechanism is sleeved inside the insulating shell. The insulation sleeve drives the inner rotor to rotate, the magneto generator outputs electric energy and the electric energy enters the rectification and energy storage module through the input end of the rectification and energy storage module, and the electric energy is stored after being rectified; The output end of the rectification and energy storage module is electrically connected with the vibration piece.
8. The surface self-cleaning glass insulator according to claim 7, characterized in that, Further comprising first and second conductive brushes; the rectification and energy storage module is arranged in the insulation shell; The input end of the rectification and energy storage module is electrically connected with the output end of the magneto generator through the first conductive brush; and the vibration piece is electrically connected with the output end of the rectification and energy storage module through the second conductive brush.