CN217035511U

CN217035511U - Solid-sealed polar pole

Info

Publication number: CN217035511U
Application number: CN202123286227.1U
Authority: CN
Inventors: 李国强; 周顺彪
Original assignee: Xiamen Huanyuan Power Technology Co ltd
Current assignee: Xiamen Huanyuan Power Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-22
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to the field of solid-sealed polar poles, and discloses a solid-sealed polar pole, which comprises: utmost point post body, inlet wire conductor, isolation direction, explosion chamber and the conductor of being qualified for the next round of competitions, the inlet wire conductor sets up this is internal to utmost point post, inlet wire conductor one end extends to utmost point post body upper end outside, keep apart the direction set up in the inside lower extreme of utmost point post body, the explosion chamber set up in keep apart the direction top, the explosion chamber is kept away from keep apart the top of direction one side and is provided with the conductor of being qualified for the next round of competitions, the conductor of being qualified for the next round of competitions is kept away from the one end of explosion chamber extends to utmost point post body upper end outside. The utility model adopts the automatic pressure gel molding of the epoxy resin, so that the insulation outside the arc extinguishing chamber is not influenced by the external environment, the weather resistance is improved, meanwhile, the mechanical support effect is provided for the arc extinguishing chamber, and the electric field distribution and the stress distribution are optimized; and the terminal post is fixedly sealed, so that the arc extinguish chamber does not need additional fasteners.

Description

Solid-sealed polar pole

Technical Field

The utility model relates to the field of solid-sealed polar poles, in particular to a solid-sealed polar pole.

Background

In medium voltage distribution network, the medium of external insulation is mainly air insulation, gas insulation and fixed insulation. Air insulation is widely adopted as the cheapest insulation medium all the time, and the switch has the characteristics of simplicity in manufacturing, low cost, convenience in maintenance, simplicity in operation and the like, and is widely applied to non-key power supply places and substations with good ambient conditions.

Traditional air insulated switchgear explosion chamber exposes in the air, and it is big that the outdoor insulation of explosion chamber receives the environmental impact, takes place the flashover easily, and the explosion chamber needs outside part could be supported simultaneously, and its part is in large quantity, and the cost of manufacture is high, keeps apart the port and can take place the creepage along the face under the external environmental impact, keeps apart the fracture promptly and does not play the guard action, does not reach the purpose that the switch is free from maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model provides an embedded pole, aiming at solving the problems of complex manufacture, high manufacture cost and inconvenient use in the prior art.

The technical scheme of the utility model is as follows:

an embedded pole, comprising:

utmost point post body, inlet wire conductor, isolation direction, explosion chamber and the conductor of being qualified for the next round of competitions, the inlet wire conductor sets up this is internal to utmost point post, inlet wire conductor one end extends to utmost point post body upper end outside, keep apart the direction set up in the inside lower extreme of utmost point post body, the explosion chamber set up in keep apart the direction top, the explosion chamber is kept away from keep apart the top of direction one side and is provided with the conductor of being qualified for the next round of competitions, the conductor of being qualified for the next round of competitions is kept away from the one end of explosion chamber extends to utmost point post body upper end outside.

Further, keep apart the direction including first isolation direction and second isolation direction, first isolation direction and second keep apart and cut off the setting between the direction, first isolation direction and second keep apart the direction and set up relatively, first isolation direction set up in the inlet wire conductor to in the one end of utmost point post body inside extension, the second keep apart the direction set up in the explosion chamber downside.

Furthermore, a connecting conductor is arranged on one side, away from the outgoing conductor, of the arc extinguish chamber, and the connecting conductor is connected with the arc extinguish chamber and the second isolation guide.

Further, the pole body is made of epoxy resin.

Furthermore, a plurality of mounting nuts are arranged on the pole body.

Further, the mounting nut includes 4.

The beneficial effects of the utility model at least comprise: the automatic pressure gel molding of epoxy resin is adopted, so that the insulation outside the arc extinguishing chamber is not influenced by the external environment, the weather resistance is improved, meanwhile, the mechanical support effect is provided for the arc extinguishing chamber, and the electric field distribution and the stress distribution are optimized; by adopting the pole column solid sealing mode, the arc extinguish chamber does not need additional fasteners, and the current-carrying piece is reliably fixed on the current-carrying piece by the surrounding casting resin, so that the number of parts for fixing the arc extinguish chamber is greatly reduced, and errors possibly occurring in the assembly process are reduced, thereby improving the safety and prolonging the service life.

Drawings

Fig. 1 is a schematic view of a half-section of the embedded pole structure of the present invention.

Fig. 2 is a schematic side view of the embedded pole of the present invention.

Wherein:

1-pole body;

2-a line-incoming conductor;

3, isolating and guiding;

301-a first isolation guide; 302-a second isolation guide;

4-an arc extinguishing chamber;

5-a line conductor;

6-connecting conductors;

7-mounting the nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the present invention provides an embedded pole, comprising:

utmost point post body 1, inlet wire conductor 2, isolation direction 3, explosion chamber 4 and the conductor of being qualified for the next round of competitions 5, inlet wire conductor 2 sets up in the utmost point post body 1, 2 one end of inlet wire conductor extends to the 1 upper end outside of utmost point post body, isolation direction 3 set up in 1 inside lower extreme of utmost point post body, explosion chamber 4 set up in keep apart 3 tops of direction, explosion chamber 4 keeps away from the top of 3 one sides of isolation direction is provided with the conductor of being qualified for the next round of competitions 5, the conductor of being qualified for the next round of competitions 5 keeps away from the one end of explosion chamber 4 extends to the 1 upper end outside of utmost point post body.

Further, keep apart 3 direction including first isolation direction 301 and second isolation direction 302, the setting is kept apart to first isolation direction 301 and second between the direction 302, first isolation direction 301 keeps apart the direction 302 relative setting with the second, first isolation direction 301 set up in inlet wire conductor 2 to in the one end of the inside extension of utmost point post body 1, the second keep apart the direction 302 set up in 4 downside of explosion chamber.

The one end of inlet wire conductor 2 and outlet wire conductor 5 all extends the setting from the upside of utmost point post body 1 to utmost point post body 1 is inside, and inlet wire conductor 2 and outlet wire conductor 5's the other end all exposes in utmost point post body 1 outside, and both exposed directions are unanimous. First isolation direction 301 sets up in inlet wire conductor 2 is to the one end bottom of the inside extension of utmost point post body 1, the second is kept apart direction 302 and is set up inside utmost point post body 1, cut off and set up relatively with first isolation direction 301, first isolation direction 301 sets up relatively with the opening that the direction 302 was kept apart to the second, explosion chamber 4 sets up the top of keeping apart direction 302 at the second, explosion chamber 4 sets up inside utmost point post body 1, outlet conductor 5 sets up the top at explosion chamber 4, outlet conductor 5 keeps apart the diagonal line that the direction 302 was kept apart to outlet conductor 5 and second set up on being explosion chamber 4, one side that inlet wire conductor 2 was kept away from to explosion chamber 4 is provided with metal crate outward, the last mounting nut 7 that is provided with of metal crate.

Further, explosion chamber 4 keeps away from be provided with connecting conductor 6 on one side of conductor 2 of being qualified for the next round of competitions, connecting conductor 6 is connected explosion chamber 4 with direction 302 is kept apart to the second, and connecting conductor 6 sets up on one side of explosion chamber 4 of keeping away from metal crate, and explosion chamber 4 keeps apart the direction 302 through connecting conductor 6 and second and links to each other, and explosion chamber 4 keeps away from 6 one side of connecting conductor forms a cavity, and the cavity top is provided with an observation hole, and the second keeps apart the direction 302 and keeps away from the same cavity that forms of one side of first isolation direction 301 one side, and explosion chamber 4 passes through fastening bolt and is connected with connecting conductor 6.

Further, the pole body 1 is made of epoxy resin.

Further, a plurality of mounting nuts 7 are arranged on the pole body 1.

Furthermore, the number of the mounting nuts 7 is 4, when the solid-sealed pole is mounted, the mounting nuts are fixed on the metal frame through the nuts, and the conduction and isolation loop of the switch is formed through the incoming line conductor 2, the first isolation guide 301, the second isolation guide 302, the connecting conductor 6, the arc extinguish chamber 4, the conductor, the isolation contact mounted later and the flexible connection.

The solid-sealed polar pole only needs to fix 4 nuts, is convenient and simple to install, and has enough mechanical strength due to the adoption of an epoxy resin automatic pressure gel forming process. The size accuracy of the product is improved through the accurate size control of the die, the matching with a switch cabinet frame is facilitated, the contact resistance is reduced, and the interchangeability is improved.

4 nuts of the solid-sealed polar pole are fixed on the switch frame to form the functions of insulating and fixing and supporting the ground. The local discharge amount of the high-voltage conductor to the ground, namely the mounting nut, is controlled in production, the electrical aging of the insulator is reduced, and the service life of the product is greatly prolonged.

The rated voltage of the bus sleeve is 12KV, the current value is 630A and 1250A, and the scheme comprises a breaker cabinet, a load switch cabinet and an isolation connection cabinet, so that the power supply requirement of ring networks of cities, factories and the like is met.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a gu seal utmost point post which characterized in that: the method comprises the following steps:

2. The embedded pole of claim 1, wherein: keep apart the direction and keep apart the direction including first isolation direction and second, the first isolation direction is kept apart to cut off the setting between the direction with the second, the first isolation direction keeps apart the direction with the second and sets up relatively, first isolation direction set up in the inlet wire conductor to in the one end of the inside extension of utmost point post body, the second keep apart the direction set up in the explosion chamber downside.

3. The embedded pole of claim 2, wherein: and a connecting conductor is arranged on one side of the arc extinguish chamber, which is far away from the outgoing conductor, and the connecting conductor is connected with the arc extinguish chamber and the second isolation guide.

4. The embedded pole of claim 1, which is characterized in that: the pole body is made of epoxy resin.

5. The embedded pole of claim 1, which is characterized in that: and the pole body is provided with a plurality of mounting nuts.

6. The embedded pole of claim 5, wherein: the mounting nut comprises 4.