CN219697267U

CN219697267U - Fixed gap lightning arrester

Info

Publication number: CN219697267U
Application number: CN202223607360.7U
Authority: CN
Inventors: 刘卓双; 何伟; 施贻峥
Original assignee: Kubo Electric Power Technology Co ltd
Current assignee: Kubo Electric Power Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-09-15
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a fixed gap arrester, which relates to the technical field of arresters and comprises a plurality of arrester components which are arranged on a connecting seat in series, wherein a connecting frame is arranged on the side edge of the connecting seat, each arrester component comprises a first arrester, a second arrester, a first insulator string, a second insulator string and a high-voltage wire, the first arrester is vertically arranged on the upper surface of the connecting seat, the top of the first arrester is connected with a drainage wire, the second arrester is horizontally arranged on the side edge of the first arrester and is connected with one end of the first insulator string through the high-voltage wire, the other end of the first insulator string is connected with the connecting frame, one end of the second insulator string is connected with the middle of the high-voltage wire, the other end of the second insulator string is connected with the connecting frame, overvoltage erosion caused by lightning intrusion waves can be shared by a plurality of arrester components which are connected in series, and meanwhile, the diversified arrester components can further overvoltage, so that the service life and stability of the arrester components can be ensured, and the safety of a protection circuit can be better.

Description

Fixed gap lightning arrester

Technical Field

The utility model relates to the technical field of lightning arresters, in particular to a fixed-gap lightning arrester.

Background

The arrester is an overvoltage protection device, when the voltage rises to the specified action voltage, the arrester acts to limit the rising amplitude of the voltage of the power grid below a certain level, so that the insulation of the protection equipment can bear the level, the lightning overvoltage and the operation overvoltage are limited, and therefore the overvoltage limiter is more definite.

With the continuous expansion of the power grid, tripping and power failure accidents caused by the power transmission line are increased, and as a single lightning arrester bears line power frequency voltage and leakage current, the resistor disc is easy to age, the operation reliability of the lightning arrester is reduced, the lightning arrester is damaged for a long time, and the lightning protection requirement of the power transmission line cannot be met.

Disclosure of Invention

The utility model aims to provide a fixed-gap lightning arrester so as to solve the problem that a single lightning arrester provided in the background art cannot meet the lightning protection of a power transmission line.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixed gap arrester, includes a plurality of lightning-arrest subassemblies of tandem mounting on the connecting seat, the connection frame is installed to the side of connecting seat, lightning-arrest subassembly includes arrester one, arrester two, insulator chain one, insulator chain two and high-voltage wire, arrester one is vertical installs in the upper surface of connecting seat and the top is connected with drainage wire, arrester two levels set up in the side of arrester one and are connected with the one end of insulator chain one through high-voltage wire, the other end of insulator chain one is connected with the connection frame, the one end of insulator chain two is connected in the centre department of high-voltage wire and the other end is connected with the connection frame.

Preferably, the number of lightning protection components is three.

Preferably, the spacing between adjacent lightning protection components is 340+/-2 mm.

Preferably, the two ends of the bottom of the connecting seat are both provided with connecting bolts.

Preferably, one end of the connection frame is connected with a side bracket through a bolt member.

Preferably, handles are symmetrically arranged at two ends of the connecting seat.

Compared with the prior art, the utility model has the following beneficial effects:

1. through set up a plurality of lightning components that establish ties mutually on the connecting seat can share the overvoltage erosion that lightning invasion wave caused it, set up the lightning component of pluralism simultaneously and can further take over voltage, make its life and stability can be guaranteed, the safety of protection circuit that can be better.

2. The lightning arrester can be relatively stable through setting up the effect of the lightning arrester of suitable quantity and suitable interval, makes its scope of application wider, can further fasten the installation connecting seat through setting up the side stand, can conveniently carry through setting up the handle.

Drawings

FIG. 1 is a schematic side view of an embodiment of the present utility model;

FIG. 2 is a schematic top view of an embodiment of the present utility model;

fig. 3 is a schematic front view of a structure according to an embodiment of the present utility model.

In the figure: 1. a connecting seat; 11. a wiring bolt; 2. a lightning protection assembly; 21. a lightning arrester I; 22. a second lightning arrester; 23. insulator string one; 24. insulator string II; 25. a high voltage wire; 3. the connecting frame; 4. a drainage wire; 5. a side bracket; 6. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, a fixed gap lightning arrester is used for improving the problem that an original single lightning arrester is subject to line frequency voltage and a leakage circuit is easy to cause accelerated ageing of a resistor disc, and a plurality of lightning arrester components are adopted for distribution bearing, so that the overvoltage bearing condition of the single lightning arrester is relieved.

The utility model provides a fixed gap arrester, including installing a plurality of lightning protection subassembly 2 on connecting seat 1 in series, connecting frame 3 is installed to the side of connecting seat 1, lightning protection subassembly 2 includes arrester one 21, arrester two 22, insulator chain one 23, insulator chain two 24 and high-voltage wire 25, arrester one 21 is vertical installs in the upper surface of connecting seat 1 and the top is connected with drainage wire 4, arrester two 22 level sets up in the side of arrester one 21 and is connected with the one end of insulator chain one 23 through high-voltage wire 25, the other end of insulator chain one 23 is connected with connecting frame 3, the one end of insulator chain two 24 is connected in the centre department of high-voltage wire 25 and the other end is connected with connecting frame 3, can share the erosion of overvoltage to single lightning protection subassembly through setting up a plurality of lightning protection subassemblies 2, improve the stability of arrester operation, also can further cushion the overvoltage that single arrester bore through setting up the lightning protection subassembly of combination formula, can more effective protector's damage.

As a further scheme of the utility model, referring to fig. 1 to 3, the number of the lightning protection assemblies 2 is three, the distance between the adjacent lightning protection assemblies 2 is 340±2 mm, the lightning protection assemblies 2 with proper number and proper distance can relatively and stably improve the effect of the lightning arrester, so that the application range of the lightning arrester is wider, the two ends of the bottom of the connecting seat 1 are respectively provided with a wiring bolt 11, the wiring bolts 11 are convenient to be connected with a grounding wire, one end of the connecting frame 3 is connected with a side bracket 5 through a bolt piece, the connecting seat 1 can be further fastened and installed through the side bracket 5, the two ends of the connecting seat 1 are symmetrically provided with handles 6, and the carrying can be convenient through the handles 6.

Working principle: through setting up a plurality of lightning protection components 2 that establish ties mutually on connecting seat 1, can carry out a plurality of shares when receiving thunder and lightning invasion ripples, prevent that all invasion ripples from only conducting single arrester, influence its running performance, set up the erosion that diversified lightning protection components 2 can further share the overvoltage simultaneously, reduce the ageing influence to the arrester, make its life and stability guaranteed, the safety of protection circuit that can be better.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "connected," "configured," and "open" are to be interpreted broadly, and may be, for example, fixedly connected, configured, detachably connected, configured, or integrally connected and configured. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A fixed gap arrester, characterized in that: including a plurality of lightning protection subassembly (2) of tandem installation on connecting seat (1), connect frame (3) are installed to the side of connecting seat (1), lightning protection subassembly (2) are including arrester one (21), arrester two (22), insulator chain one (23), insulator chain two (24) and high-voltage wire (25), arrester one (21) vertical installation is connected with drainage wire (4) in the upper surface and the top of connecting seat (1), arrester two (22) level sets up in the side of arrester one (21) and is connected with the one end of insulator chain one (23) through high-voltage wire (25), the other end and the connection frame (3) of insulator chain one (23), the one end of insulator chain two (24) is connected in the centre department of high-voltage wire (25) and the other end is connected with connection frame (3).

2. A fixed gap arrester as claimed in claim 1, wherein: the number of the lightning protection assemblies (2) is three.

3. A fixed gap arrester as claimed in claim 2, wherein: the distance between adjacent lightning protection components (2) is 340+/-2 millimeters.

4. A fixed gap arrester as claimed in claim 1, wherein: the two ends of the bottom of the connecting seat (1) are provided with connecting bolts (11).

5. A fixed gap arrester as claimed in claim 1, wherein: one end of the connecting frame (3) is connected with a side bracket (5) through a bolt piece.

6. A fixed gap arrester as claimed in claim 1, wherein: handles (6) are symmetrically arranged at two ends of the connecting seat (1).