CN213781913U - Outdoor single-phase high-voltage isolating switch on column - Google Patents

Abstract

The utility model discloses a single high-voltage isolating switch on an outdoor post, which comprises a base, wherein the upper end surface of the base is detachably connected with a first post insulator and a second post insulator, the second post insulator is positioned at one side of the first post insulator, the upper end surface of the first post insulator is detachably connected with a first wiring board, the upper end surface of the first wiring board is detachably connected with a contact head mounting seat, and the upper end surface of the contact head mounting seat is detachably connected with a conductive loop. The overheating capacity of the conducting loop is stronger, so that the product is firmer and more durable.

Description

Outdoor single-phase high-voltage isolating switch on column

Technical Field

The utility model relates to the technical field of switches, specifically be an outdoor single high voltage isolator on post.

Background

The electric network is a general name of facilities and equipment which are connected with power generation and power utilization in an electric power system, belongs to an intermediate link for transmitting and distributing electric energy, and mainly comprises a power transmission line, a substation, a distribution station and a distribution line which are connected into a network, generally, the integrated body which is formed by power transmission equipment, power transformation equipment, distribution equipment and corresponding auxiliary systems and is connected with the power generation and power utilization is called an electric power network for short, a high-voltage isolating switch is used in the power distribution use process of the electric power network, the high-voltage isolating switch is an important switching device in the electric power system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use, the isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12KV, is connected under the condition of high-voltage equipment with voltage and load, and is used for cutting or converting the line, and has the main function of ensuring the safety of the high-voltage devices and the devices during maintenance work, the device has the function of isolating voltage, can not be used for cutting off, putting in load current and cutting off short-circuit current, and can only be used for some switching operations without generating strong electric arcs, namely, the device does not have an arc extinguishing function, and is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a triple column type according to the number of insulating support columns, and each voltage class has optional equipment.

However, along with the continuous capacity increase and transformation of the national power grid, the current-carrying capacity of the line is continuously improved, and the phenomenon of heat generation generated during the operation of the traditional switchgear is visible when the fault of the conductive circuit is overheated. Therefore, an outdoor pole single-phase high-voltage isolating switch is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor single high voltage isolator on post to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a single high-voltage isolating switch on an outdoor post comprises a base, wherein the upper end face of the base is detachably connected with a first post insulator and a second post insulator, the second post insulator is positioned on one side of the first post insulator, the upper end face of the first post insulator is detachably connected with a first wiring board, the upper end face of the first wiring board is detachably connected with a contact head mounting seat, the upper end face of the contact head mounting seat is detachably connected with a conductive loop, the connecting contact head part of the conductive loop is of a U-shaped structure and is a U-shaped split of the connecting contact part of the conductive loop, the conductive loop is fixedly connected with the contact head mounting seat through a conductive rope, the conductive rope is connected in parallel by a plurality of strands of thin copper wires in a combined mode, the upper end face of the second post insulator is detachably connected with a second wiring board, and the upper end face of the second wiring board is fixedly connected with a contact, the upper end surface of first wiring board and second wiring board is provided with first terminal mounting hole and second terminal mounting hole respectively, the inside of first terminal mounting hole and second terminal mounting hole all can be dismantled and is connected with the terminal screw, the outside threaded connection of terminal screw has flange nut.

Preferably, the upper end of the conductive loop is fixedly connected with a fixed pull buckle.

Preferably, the number of the first binding post mounting holes and the number of the second binding post mounting holes are provided with multiple groups.

Preferably, the fixing pull buckle is made of an insulating material.

Preferably, the upper end face of the base is provided with a plurality of groups of bolt holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set conductive loop of U structure with conductive loop connection contact part, the contact part U type jag increases the elasticity pliability, prevents the overheated deformation, increases the stability with the contact surface of static contact, reduces resistance, makes conductive loop reduce to generate heat, increases self firmness simultaneously, and the conductive loop of U-shaped structure dispels the heat easily, and it is stronger to undertake conductive loop overheat ability, makes the product more firmly resistant.

2. The utility model discloses a be connected between electrically conductive return circuit and the contact mount pad and adopt the direct fixed connection of electrically conductive rope, and electrically conductive rope is stranded parallelly connected by the thin copper line of stranded, and electric conductive property is good, and is soft, and is elastic for the contact is inseparabler, and resistance is littleer conductive capability stronger, combines firmly simultaneously, and the switching-off combined floodgate is more convenient operation, prevents the wearing and tearing between electrically conductive return circuit and the contact static contact simultaneously, extension product life.

3. The utility model discloses a be equipped with first terminal mounting hole and second terminal mounting hole on first wiring board and second wiring board for the terminal screw can finish in the installation of dispatching from the factory, be fixed in the wiring board, adopt flange nut simultaneously, can revolve the nut on the screw, and need not join in marriage the gasket, simple structure convenient operation, when treating the high altitude construction use, only need the wiring, the flange nut of screwing, need not to screw the screw at high altitude operation precession, add the gasket, complicated procedures such as nut of screwing, man-hour and maneuverability have been practiced thrift greatly.

Drawings

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

fig. 2 is a schematic top view of the first wiring board of the present invention;

fig. 3 is a schematic top view of the second wiring board of the present invention.

In the figure: 1. a base; 2. a first post insulator; 3. a first wiring board; 4. a contact mounting base; 5. a conductive cord; 6. a conductive loop; 7. fixing a pull buckle; 8. a contact; 9. a terminal screw; 10. a second wiring board; 11. a flange nut; 12. a second post insulator; 13. a first terminal mounting hole; 14. and a second terminal mounting hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: an outdoor single high-voltage isolating switch on a post comprises a base 1, wherein the upper end face of the base 1 is detachably connected with a first post insulator 2 and a second post insulator 12, the second post insulator 12 is positioned on one side of the first post insulator 2, the upper end face of the first post insulator 2 is detachably connected with a first wiring board 3, the upper end face of the first wiring board 3 is detachably connected with a contact head mounting seat 4, the upper end face of the contact head mounting seat 4 is detachably connected with a conductive loop 6, the connecting contact head part of the conductive loop 6 is of a U structure, the connecting contact part of the conductive loop 6 is U-shaped and is forked, the conductive loop 6 is fixedly connected with the contact head mounting seat 4 through a conductive rope 5, the conductive rope 5 is connected in parallel by a thin copper wire in a stranded mode, the upper end face of the second post insulator 12 is detachably connected with a second multi-strand wiring board 10, the upper end face of the second wiring board 10 is fixedly connected with a contact 8, the upper end surfaces of the first wiring board 3 and the second wiring board 10 are respectively provided with a first wiring terminal mounting hole 13 and a second wiring terminal mounting hole 14, wiring terminal screws 9 can be detachably connected inside the first wiring terminal mounting hole 13 and the second wiring terminal mounting hole 14, and the outer side of each wiring terminal screw 9 is in threaded connection with a flange nut 11;

conductive loop 6 upper end fixedly connected with is fixed to be drawn and is detained 7, conveniently stimulates conductive loop 6 to open and close the floodgate, the quantity of first terminal mounting hole 13 and second terminal mounting hole 14 all is provided with the multiunit, can install multiunit terminal screw 13, fixed drawing is detained 7 and is made for insulating material, makes it possess fine insulating properties, has improved the security, the up end of base 1 is provided with the multiunit bolt hole, has made things convenient for the installation of base 1 to be fixed.

Specifically, when in use, the conductive loop 6 is connected with the contact part to form a U-shaped conductive loop, the U-shaped contact part is forked to increase the elastic flexibility and prevent overheating deformation, the stability of the contact surface with the static contact is increased, the resistance is reduced, the heat generation of the conductive loop 6 is reduced, the firmness of the conductive loop is increased, the U-shaped conductive loop 6 easily dissipates heat, the overheating capacity of the conductive loop 6 is stronger, the product is firmer and more resistant, the conductive rope 5 is directly and fixedly connected with the contact mounting seat 4 by the conductive rope 5, the conductive rope 5 is formed by stranding and connecting a plurality of strands of thin copper wires in parallel, the conductive performance is good, the conductive rope is soft and elastic, the contact is tighter, the resistance is smaller, the conductive capacity is stronger, the combination is firm, the switching-on and switching-off are more convenient to operate, and the abrasion between the conductive loop 6 and the contact static contact is prevented, prolong product life, through be equipped with first terminal mounting hole 13 and second terminal mounting hole 14 on first wiring board 3 and second wiring board 10, make terminal screw 9 can finish the installation when dispatching from the factory, be fixed in the wiring board, adopt flange nut 11 simultaneously, can revolve the nut on the screw, and need not join in marriage the gasket, moreover, the steam generator is simple in structure convenient operation, when treating high altitude construction use, only need the wiring, flange nut 11 screws, need not at high altitude construction precession screw, add the gasket, complicated procedures such as nut of screwing, man-hour and maneuverability have been practiced thrift greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an outdoor single high voltage isolator on post, includes base (1), its characterized in that: the upper end face of the base (1) is detachably connected with a first post insulator (2) and a second post insulator (12), the second post insulator (12) is located on one side of the first post insulator (2), the upper end face of the first post insulator (2) is detachably connected with a first wiring board (3), the upper end face of the first wiring board (3) is detachably connected with a contact head mounting seat (4), the upper end face of the contact head mounting seat (4) is detachably connected with a conductive loop (6), the connecting contact part of the conductive loop (6) is of a U-shaped structure, the connecting contact part of the conductive loop (6) is a U-shaped split, the conductive loop (6) is fixedly connected with the contact head mounting seat (4) through a conductive rope (5), the conductive rope (5) is connected in parallel by stranded thin copper wires in a stranded manner, the upper end face of the second post (12) is detachably connected with a second wiring board (10), the utility model discloses a wiring board, including first wiring board (3), second wiring board (10), the up end fixedly connected with contact (8) of second wiring board (10), the up end surface of first wiring board (3) and second wiring board (10) is provided with first terminal mounting hole (13) and second terminal mounting hole (14) respectively, the inside of first terminal mounting hole (13) and second terminal mounting hole (14) all can be dismantled and be connected with terminal screw (9), the outside threaded connection of terminal screw (9) has flange nut (11).

2. The outdoor pole single-phase high-voltage isolating switch according to claim 1, characterized in that: the upper end of the conductive loop (6) is fixedly connected with a fixed pull buckle (7).

3. The outdoor pole single-phase high-voltage isolating switch according to claim 1, characterized in that: the number of the first binding post mounting holes (13) and the number of the second binding post mounting holes (14) are provided with multiple groups.

4. The outdoor pole single-phase high-voltage isolating switch according to claim 2, characterized in that: the fixing pull buckle (7) is made of insulating materials.

5. The outdoor pole single-phase high-voltage isolating switch according to claim 1, characterized in that: the upper end face of the base (1) is provided with a plurality of groups of bolt holes.

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