CN213242377U

CN213242377U - Breaker platform dysmorphism prevents outer broken device

Info

Publication number: CN213242377U
Application number: CN202022564259.2U
Authority: CN
Inventors: 金浩; 沈晨; 陆俊俊; 刘基威; 吴辉
Original assignee: SHANGHAI ZHIMENG ELECTRIC POWER TECHNOLOGY CO LTD; State Grid Shanghai Electric Power Co Ltd
Current assignee: SHANGHAI ZHIMENG ELECTRIC POWER TECHNOLOGY CO LTD; State Grid Shanghai Electric Power Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-05-18
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to an outer broken device is prevented to circuit breaker platform dysmorphism, including arc (3), arc (3) are located vacuum circuit breaker's between double-phase, the one end of arc (3) is connected to vacuum circuit breaker box platform, the other end of arc (3) is connected to the isolation switch frame, the one end of arc (3) is provided with hook post connecting plate (1), install hook post (2) that are used for hanging into in vacuum circuit breaker box platform lug hole on hook post connecting plate (1), the other end of arc (3) is provided with and is used for adsorbing in the magnetic force absorption portion of isolation switch frame. Compared with the prior art, the utility model discloses on the basis that does not change vacuum circuit breaker current structure, adopt the arc design, combine the hook post and the magnetic force absorption portion at arc both ends for the arc can cover on circuit breaker box platform and isolation switch frame, thereby avoids birds to nest the activity at the circuit breaker platform, plays effectively and prevents outer broken effect.

Description

Breaker platform dysmorphism prevents outer broken device

Technical Field

The utility model belongs to the technical field of the power device protection technique and specifically relates to a breaker platform dysmorphism prevents outer broken device.

Background

Birds nest on the power line, lead to circuit foreign matter overlap joint very easily, cause single-phase ground connection or alternate short circuit fault, along with urban power grid's rapid development, distribution lines subscriber unit is concentrated relatively, for the operating quality who guarantees the circuit, post vacuum circuit breaker has been by the wide application in power line's construction, however vacuum circuit breaker box platform and area isolation switch frame position, its numerous alternately triangle-shaped structure attracts birds more easily and nest here nest, it has become the outer main reason of breaking of vacuum circuit breaker to nest outer broken.

In order to improve the defense performance of the vacuum circuit breaker against external bird nesting damage and reduce the movement of birds on the vacuum circuit breaker platform, bird-preventing measures need to be taken for the vacuum circuit breaker platform. The existing bird prevention measures generally adopt the mode of additionally installing bird repelling spines, a rotary wind-driven bird repeller, a sound wave bird repeller or a special-shaped space occupying bird repeller and the like, wherein the bird repelling spines can make sound under the action of wind, and the rotary wind-driven bird repeller can continuously rotate and reflect light under the action of wind, so that the aim of repelling birds can be achieved, however, once the wind is not generated, the birds still can nest on a circuit breaker platform and even adapt to the bird repeller after a long time;

the sound wave bird repeller utilizes ultrasonic pulses which can not be heard by human beings to interfere birds, and the ultrasonic bird repeller with different power can be selected according to the size of a to-be-protected range, but the construction cost of the sound wave bird repeller is high, and the sound wave bird repeller cannot be applied in a large-range coverage manner;

dysmorphism occupy-place bird repeller is through installing special-shaped bird repellent device additional and crowding occupy birds and fall the foot position to avoid birds to move about, main special-shaped device structure has thorn form or type of falling T thorn form etc. however this kind of dysmorphism occupy-place bird repeller is mostly adapted to distribution lines base pole cross arm position, can' T drop into the installation to the vacuum circuit breaker platform.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a breaker platform dysmorphism prevents outer broken device in order to overcome the defect that above-mentioned prior art exists, based on current circuit breaker box and isolation switch frame construction, provide a dysmorphism and prevent outer broken device, can shield birds foot and build the basis, avoid birds to nest at the breaker platform to guarantee the reliable operation of breaker platform.

The purpose of the utility model can be realized through the following technical scheme: the utility model provides a breaker platform dysmorphism prevents outer broken device, includes the arc, the arc is located vacuum circuit breaker's between double-phase, the one end of arc is connected to vacuum circuit breaker box platform, the other end of arc is connected to isolation switch frame, the one end of arc is provided with the hook post connecting plate, install the hook post that is used for hanging into in vacuum circuit breaker box platform hangers hole on the hook post connecting plate, the other end of arc is provided with and is used for adsorbing in the magnetic force absorption portion of isolation switch frame.

Further, the magnetic force adsorption part is adsorbed on the outer edge of the inclined plane of the isolation switch frame.

Furthermore, the top of the hook column is of a cone frustum structure, and the bottom of the hook column is installed on the hook column connecting plate.

Furthermore, a through hole is formed in the hook column connecting plate, and the bottom of the hook column is installed in the through hole.

Furthermore, the number of the through holes is more than or equal to 3, so that the mounting position of the hook column can be adjusted according to the position of the ear hanging hole.

Further, the magnetic force adsorption part comprises a magnet support column, one end of the magnet support column is installed on the arc-shaped plate, and a strong magnet is arranged at the other end of the magnet support column.

Further, the quantity of magnet pillar is 3, and 3 magnet pillars horizontal equipartitions are in the crooked lower limb of arc board.

Furthermore, a notch used for clamping a mounting tool is formed in one end of the magnetic adsorption part for mounting the arc-shaped plate.

Further, the surface of the arc plate is coated with a mirror material for reflecting light.

Furthermore, the arc-shaped plate, the hook column connecting plate, the hook column and the magnet support column are made of insulating flame-retardant materials.

The specific installation process of the device comprises the following steps:

s1, placing the arc-shaped plate between two phases of the circuit breaker, and enabling the concave surface of the arc-shaped plate to face the circuit breaker platform and the convex surface of the arc-shaped plate to face the outside;

s2, hanging the hook column into a vertical ear hanging hole of a breaker box body platform;

s3, aligning the magnet support to the inclined plane of the isolation switch frame, and then putting down the arc-shaped plate to enable the strong magnet to be adsorbed to the outer edge of the inclined plane of the isolation switch frame, so that the installation of the special-shaped external damage prevention device is completed.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a curved plate design utilizes the curved plate to cover on vacuum circuit breaker box platform and isolation switch frame, can effectively occupy the place and shield birds foot and branch and place the position, avoids birds to nest the activity at the vacuum circuit breaker platform to prevent to take place foreign matter overlap joint accident.

Two, the utility model discloses an install the magnet pillar that hook post and bottom were equipped with strong magnet respectively at the both ends of arc, utilize the hook post to hang into the existing hangers hole of circuit breaker box platform, strong magnet adsorbs and follows outside isolation switch frame inclined plane, has the reliable advantage of simple structure, need not to change the original structure of vacuum circuit breaker, can realize the effective fixed mounting of the outer broken device of dysmorphism prevention, can not exert an influence to the original insulating properties of vacuum circuit breaker, alternate span, relative ground distance simultaneously.

Thirdly, the utility model discloses a coating reflector face material on arc surface, utilizing the optical reflection principle further to strengthen the utility model discloses a drive bird scope and effect to the outer broken effect is prevented in the reinforcing.

Drawings

FIG. 1 is a schematic view of the structure of the device of the present invention;

FIG. 2 is a schematic view of the installation effect of the present invention;

the notation in the figure is: 1. hook column connecting plate, 2, hook column, 3, arc plate, 4, magnet pillar, 5, strong magnet.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1-2, a broken device outward is prevented to circuit breaker platform dysmorphism, including hook column connecting plate 1, hook column 2, arc 3, magnet pillar 4 and strong magnet 5, hook column 2 is installed on hook column connecting plate 1, strong magnet 5 sets up in the bottom of magnet pillar 4, hook column 2 can be hung in vacuum circuit breaker box platform hangers hole, strong magnet 5 can adsorb in the magnetic force adsorption portion of isolation switch frame, hook column connecting plate 1 and magnet pillar 4 are located the both ends of arc 3 respectively, arc 3 is located between vacuum circuit breaker's the double-phase, 3 one end of arc are connected to vacuum circuit breaker box platform, the other end of arc 3 is connected to the isolation switch frame.

Wherein, the strong magnet 5 and the magnet support 4 jointly form a magnetic force adsorption part, and are specifically adsorbed on the outer edge of the inclined plane of the isolation switch frame;

the top of the hook column is of a cone frustum structure so as to be smoothly hung in a vertical ear hanging hole of a breaker box body platform during installation, and in addition, in order to adapt to different positions of the ear hanging hole, a plurality of through holes are formed in the hook column connecting plate 1 so as to adjust the installation position of the hook column 2 according to the position of the ear hanging hole;

in order to ensure the reliable connection of the arc-shaped plate 3 and the isolation switch frame, the number of the magnet support columns is set to be 3, and the 3 magnet support columns are horizontally and uniformly distributed on the bent lower edge of the arc-shaped plate 3;

in addition, in order to further improve the bird repelling range and effect of the device, the outer surface of the arc-shaped plate 3 is coated with a mirror material for reflecting light; in order to ensure that the arc-shaped plate 3 can be reliably clamped for installation during installation, one end of the arc-shaped plate 3, which is provided with the magnetic adsorption part, is provided with a notch for clamping the installation tool.

In the embodiment, the ferromagnetic body 5 is made of neodymium iron boron, the arc plate 3, the hook column connecting plate 1, the hook column 2 and the magnet support column 4 are made of insulating flame-retardant materials to ensure the insulation and flame retardance of the whole device, and simultaneously, the ultraviolet aging and mechanical strength are considered, concretely, a polypropylene material is selected and manufactured by adopting integral demolding thermoplastic molding, the polypropylene is called PP for short, the polypropylene is thermoplastic synthetic resin with excellent performance, has chemical resistance, heat resistance, electric insulation, high-strength mechanical property and good high wear-resisting processing performance, the melting point is 165 ℃, the polypropylene is softened at about 155 ℃, the practical temperature range is-30-140 ℃, the outdoor use requirement can be met, the polypropylene material is considered to be used on a power system circuit, except for the processability, the polypropylene material must have the aging resistance and the flame-retardant performance, therefore, in the embodiment, 20% of glass fiber is added into the PP material, to enhance the mechanical strength of the device, and to add a flame retardant, an antioxidant and an ultraviolet absorber to improve the flame retardancy and the aging property.

The device is applied to practice, and the specific installation method comprises the following steps:

s1, placing the arc-shaped plate 3 between two phases of the circuit breaker, and enabling the concave surface of the arc-shaped plate 3 to face the circuit breaker platform and the convex surface of the arc-shaped plate to face the outside;

s2, hanging the hook column 2 into a vertical ear hanging hole of a breaker box body platform;

s3, the magnet support 4 is aligned to the inclined plane of the isolation disconnecting link frame, then the arc-shaped plate 3 is put down, the strong magnet 5 is adsorbed on the outer edge of the inclined plane of the isolation disconnecting link frame, the installation of the special-shaped anti-external-damage device is completed, the final installation effect is shown in figure 2, the arc-shaped plate 3 can completely cover the vacuum circuit breaker box platform and the isolation disconnecting link frame, and therefore nesting movement of birds on the vacuum circuit breaker equipment platform is avoided.

Claims

1. The utility model provides a breaker platform dysmorphism prevents outer broken device, a serial communication port, including arc (3), arc (3) are located vacuum circuit breaker's between double-phase, the one end of arc (3) is connected to vacuum circuit breaker box platform, the other end of arc (3) is connected to the isolation switch frame, the one end of arc (3) is provided with hook post connecting plate (1), install hook post (2) that are used for hanging into in vacuum circuit breaker box platform hangers hole on hook post connecting plate (1), the other end of arc (3) is provided with and is used for adsorbing in the magnetic force absorption portion of isolation switch frame.

2. The special-shaped outward-breaking preventing device for the circuit breaker platform as claimed in claim 1, wherein the magnetic force absorbing part is absorbed on the outer edge of the inclined plane of the isolating switch frame.

3. The special-shaped outward-breaking prevention device for the circuit breaker platform as claimed in claim 1, wherein the top of the hook column (2) is in a truncated cone structure, and the bottom of the hook column (2) is mounted on the hook column connecting plate (1).

4. The special-shaped outward-breaking prevention device for the circuit breaker platform as claimed in claim 3, wherein a through hole is formed in the hook column connecting plate (1), and the bottom of the hook column (2) is installed in the through hole.

5. The special-shaped outward-breaking prevention device for the circuit breaker platform as claimed in claim 4, wherein the number of the through holes is greater than or equal to 3, so that the installation position of the hook column (2) can be adjusted according to the position of the ear hanging hole.

6. The special-shaped outward-breaking prevention device for the circuit breaker platform as claimed in claim 1, wherein the magnetic force adsorption part comprises a magnet support column (4), one end of the magnet support column (4) is mounted on the arc-shaped plate (3), and the other end of the magnet support column (4) is provided with a strong magnet (5).

7. The special-shaped outward-breaking prevention device for the circuit breaker platform as claimed in claim 6, wherein the number of the magnet support columns (4) is 3, and 3 magnet support columns (4) are horizontally and uniformly distributed on the lower bending edge of the arc-shaped plate (3).

8. The special-shaped outward-breaking preventing device for the circuit breaker platform as claimed in claim 1, wherein a notch for clamping a mounting tool is formed in one end of the arc-shaped plate (3) where the magnetic adsorption part is mounted.

9. The special-shaped outward-breaking prevention device for the circuit breaker platform as claimed in claim 1, wherein the surface of the arc-shaped plate (3) is coated with a mirror material for reflecting light.

10. The special-shaped outward-breaking prevention device for the circuit breaker platform as claimed in claim 1, wherein the arc-shaped plate (3), the hook column connecting plate (1), the hook column (2) and the magnet support column (4) are made of insulating flame-retardant materials.