CN214706583U

CN214706583U - 10KV non-power frequency follow current discharging gap device

Info

Publication number: CN214706583U
Application number: CN202121154285.6U
Authority: CN
Inventors: 桑仲明
Original assignee: Teruige Tianjin Technology Co ltd
Current assignee: Teruige Tianjin Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-12
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a 10KV does not have power frequency afterflow discharge gap device, including fixed connection board, supporting insulator and arrester are all fixed to be set up on fixed connection board, and fixed connection board one end is fixed and is provided with first support and second support, and first support and second support fixed connection, the last fixed discharge plate that sets up of supporting insulator, and discharge plate one end is located the arrester top. The beneficial effects of the utility model are that set up first support and second support on fixed connection board and strengthened the joint strength of fixed connection board with the transmission tower junction, reduce the spoilage of device under the circumstances such as strong wind, the high installation of being convenient for that makes of having reduced the insulator, it makes its application that more adapts to 10KV circuit to set up fixed discharge gap, and set up angle an on the discharge plate, can prevent the discharge gap change because of the rainfall causes, influence the result of use, and this device still has simple structure, easy maintenance, low in processing cost, and the like.

Description

10KV non-power frequency follow current discharging gap device

Technical Field

The utility model belongs to the technical field of high tension transmission line protection, especially, relate to 10KV does not have power frequency afterflow discharge gap device.

Background

With the development of science and technology, more and more electrical appliances enter the lives of people, the dependence of people on electric energy is stronger and stronger, large-scale electric power distribution projects such as west-east power transmission appear under the condition, power transmission lines generally carry out electric power transmission by increasing voltage in order to reduce loss, but most of the existing high-voltage power transmission lines adopt a mode of installing line arresters to protect the lines. When no overvoltage exists, the lightning arrester bears the power frequency continuous operation voltage for a long time, so that the service life of the line lightning arrester is greatly shortened, and the protection performance of the lightning arrester is influenced; meanwhile, in areas with serious lightning stroke, the problems of high soil resistivity and poor grounding of a line tower often exist, when overvoltage occurs, a lightning arrester on a line cannot thoroughly and effectively release large current, and power frequency follow current is formed to oscillate in the line, so that the voltage on the line rises, and the safety of equipment on the line is endangered.

The method is characterized in that a parallel discharge gap (such as lightning protection hardware fittings, overvoltage protectors and the like) mode is adopted in a commonly used 10KV high-voltage transmission line to protect the line, the size of the discharge gap needs to be manually adjusted according to the actual condition of a line installation point, so that the discharge gap meets the condition of air breakdown, the line protection performance of equipment is influenced to a certain extent by an on-site installation process, the installation process is complex, a support is extremely easy to damage in places with severe natural environments (such as strong wind, heavy rainfall and the like), the discharge gap can be reduced by rain at times, overvoltage can be caused by insufficient discharge gap, the equipment is damaged, and therefore a 10KV follow current discharge gap-free device needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a 10KV does not have power frequency afterflow discharge gap device.

In order to solve the technical problem, the utility model discloses a technical scheme is:

10KV does not have power frequency afterflow discharge gap device, including fixed connection board, supporting insulator and arrester, the supporting insulator with the arrester is all fixed to be set up on the fixed connection board, fixed connection board one end is fixed and is provided with first support and second support, just first support with second support fixed connection, the last fixed discharge plate that sets up of supporting insulator, just discharge plate one end is located the arrester top discharge plate is personally submitted contained angle a with the level, the fixed connecting wire that sets up in discharge plate other end, the free end of connecting wire sets up the fastener.

Preferably, the height of the lightning arrester is consistent with that of the supporting insulator.

Preferably, the top of the lightning arrester is fixedly provided with a lower electrode, and one end of the discharge plate is fixedly provided with an upper electrode.

Preferably, the first support and the second support are both L-shaped, and the first support, the second support and the fixed connecting plate are fixedly connected through bolts respectively.

Preferably, the included angle a between the discharge plate and the horizontal plane is more than or equal to 30 degrees and less than or equal to 70 degrees.

Preferably, the wire clamp is shaped like Contraband, an adjusting bolt penetrates through the bottom of the wire clamp, and a push block is rotatably arranged on the adjusting bolt in the wire clamp.

Preferably, the connecting wire is sleeved with the connecting ring in a sliding mode, and the connecting ring is fixedly provided with a rubber protective sleeve.

Preferably, the upper electrode is located above the lower electrode, and a discharge gap between the upper electrode and the lower electrode is 80mm ± 5.

The utility model has the advantages and positive effects that:

the utility model discloses a set up first support and second support on fixed connection board and strengthened the joint strength of fixed connection board with transmission tower junction, reduce the spoilage of device under the circumstances such as strong wind, highly make the device be more convenient for install through having reduced the insulator, make its application that more adapts to 10KV circuit through setting up fixed discharge gap, and set up angle a on the discharge plate, can prevent to change because of the discharge gap that the rainfall caused, influence the result of use, and this device still has simple structure, easy maintenance, low in processing cost, and other advantages.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is an isometric view of a 10KV no-power-frequency follow current discharge gap device of the present invention;

fig. 2 is a front view of the 10KV non-power-frequency follow current discharge gap device.

The reference numerals are explained below:

1. fixing the connecting plate; 2. a support insulator; 3. a lightning arrester; 4. a discharge plate; 5. an upper electrode; 6. a lower electrode; 7. a connecting wire; 8. wire clamps; 9. a first bracket; 10. a second bracket; 11. a rubber protective sleeve; 12. a push block; 13. adjusting the bolt; 14. and (7) connecting rings.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1, 10KV no-power-frequency follow current discharge gap device, including fixed connection board 1, supporting insulator 2 and arrester 3 are all fixed to be set up on fixed connection board 1, fixed connection board 1 one end is fixed to be provided with first support 9 and second support 10, and first support 9 and second support 10 fixed connection, fixed discharge plate 4 that sets up on supporting insulator 2, and discharge plate 4 one end is located arrester 3 top, discharge plate 4 that is located arrester 3 top is the contained angle a with the level, discharge plate 4 other end is fixed to be set up connecting wire 7, connecting wire 7 free end is fixed to be set up fastener 8.

Preferably, the arrester 3 is highly unanimous with supporting

insulator

2, 3 fixed bottom electrode 6 that sets up in top of arrester, 4 one ends of discharge plate are fixed and are set up electrode 5, first support 9 is "L" type with second support 10, and first support 9, pass through bolt fixed connection between second support 10 and the fixed connection board 1 respectively, the contained angle 30 of discharge plate 4 and horizontal plane is no less than a and no more than 70, fastener 8 is "Contraband" style of calligraphy, 8 bottoms of fastener run through and set up adjusting bolt 13, it sets up ejector pad 12 to lie in 8 rotations of fastener on the adjusting bolt 13, sliding fit go-between ring 14 on the connecting wire 7, fixed rubber lag 11 that sets up on the go-between ring 14, upper electrode 5 is located bottom electrode 6 top, and the discharge gap between upper electrode 5 and the bottom electrode 6 is d 80mm 5.

The working process of the embodiment: when the device is used, a worker selects a position to be installed on a high-voltage power transmission tower according to the requirement to be connected with the first support 9 or the second support 10, the fixed connecting plate 1 is fixedly installed on the high-voltage power transmission tower, the wire clamp 8 is clamped on a wire, the adjusting bolt 13 is rotated to push the push block 12 to fix the wire in the wire clamp 8, the rubber insulating sleeve slides to a position close to the wire clamp 8 in the sliding connecting ring 14, the rubber protecting sleeve 11 is sleeved on the outer side of the wire clamp 8 to protect a connecting point, and the phenomenon that the temperature of a line is increased due to the increase of the resistance of the connecting point caused by corrosion is prevented, so that a fire is caused; after the wire clamp 8 is connected, because the supporting insulator 2 and the lightning arrester 3 are fixedly installed, the distance of the discharge gap d between the upper electrode 5 and the lower electrode 6 is kept between d 80mm +/-5, the device is more suitable for a 10KV circuit, the angle a at one end of the discharge plate 4 can guide rainwater to the supporting insulator 2 along the discharge plate 4 when raining, the rainwater is prevented from falling along the upper electrode 5, the discharge gap distance caused by the falling of the rainwater is reduced, and the using effect of the device is influenced.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1.10KV does not have power frequency afterflow discharge gap device, including fixed connection board (1), supporting insulator (2) and arrester (3), supporting insulator (2) with arrester (3) all fixed the setting be in on the fixed connection board (1), its characterized in that: fixed connection board (1) one end is fixed and is provided with first support (9) and second support (10), just first support (9) with second support (10) fixed connection, fixed discharge plate (4) that sets up on supporting insulator (2), just discharge plate (4) one end is located arrester (3) top discharge plate (4) are personally submitted contained angle a with the level, discharge plate (4) other end is fixed and is set up connecting wire (7), connecting wire (7) free end is fixed and is set up fastener (8).

2. The 10KV no-power-frequency follow current discharge gap device according to claim 1, wherein: the height of the lightning arrester (3) is consistent with that of the supporting insulator (2).

3. The 10KV no-power-frequency follow current discharge gap device according to claim 1, wherein: the top of the lightning arrester (3) is fixedly provided with a lower electrode (6), and one end of the discharge plate (4) is fixedly provided with an upper electrode (5).

4. The 10KV no-power-frequency follow current discharge gap device according to claim 1, wherein: the first support (9) and the second support (10) are L-shaped, and the first support (9), the second support (10) and the fixed connecting plate (1) are fixedly connected through bolts respectively.

5. The 10KV no-power-frequency follow current discharge gap device according to claim 1, wherein: the included angle a between the discharge plate (4) and the horizontal plane is more than or equal to 30 degrees and less than or equal to 70 degrees.

6. The 10KV no-power-frequency follow current discharge gap device according to claim 1, wherein: the wire clamp (8) is shaped like a Chinese character 'Contraband', an adjusting bolt (13) penetrates through the bottom of the wire clamp (8), and a push block (12) is arranged on the adjusting bolt (13) and rotates in the wire clamp (8).

7. The 10KV no-power-frequency follow current discharge gap device according to claim 1, wherein: the connecting wire (7) is sleeved with a connecting ring (14) in a sliding mode, and a rubber protective sleeve (11) is fixedly arranged on the connecting ring (14).

8. The 10KV no-power-frequency follow current discharge gap device according to claim 3, wherein: the upper electrode (5) is positioned above the lower electrode (6), and a discharge gap between the upper electrode (5) and the lower electrode (6) is 80mm +/-5.