CN210897121U

CN210897121U - Dual-power solid-sealed insulator and solid-sealed polar pole thereof

Info

Publication number: CN210897121U
Application number: CN201922488488.8U
Authority: CN
Inventors: 刘振良
Original assignee: Hotoli Guangdong Electric Co ltd
Current assignee: Hotoli Guangdong Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-30
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a dual supply seals insulator admittedly and seals utmost point post admittedly thereof belongs to high-voltage electrical technology field, including insulating casing, be equipped with in the insulating casing and be side by side interval arrangement last explosion chamber and lower explosion chamber, the front end is equipped with by insulating casing parcel and pass through the well electrically conductive piece that the copper bar is connected with the leading-out terminal of last explosion chamber and lower explosion chamber, the rear end is equipped with by insulating casing parcel and with last explosion chamber and lower explosion chamber correspond respectively last cavity and cavity of resorption, both sides are equipped with by insulating casing parcel and for the last electrically conductive piece and the lower electrically conductive piece of well electrically conductive piece symmetrical arrangement, the inlet wire end of going up the explosion chamber and the leading-out terminal of last electrically conductive piece all are located the cavity of resorption, the inlet wire end of lower explosion chamber and. This dual supply seals insulator admittedly adopts two way vacuum interrupter to connect and seals admittedly in an insulating casing after merging, can make it possess dual supply mode, does benefit to and merges into one with two circuit breakers to reduce cubical switchboard quantity, practice thrift the cost.

Description

Dual-power solid-sealed insulator and solid-sealed polar pole thereof

Technical Field

The utility model belongs to the technical field of high-voltage electrical, concretely relates to dual supply seals insulator admittedly and seals utmost point post admittedly.

Background

The embedded pole is one of the main components in the high-voltage vacuum circuit breaker. The solid-sealed polar pole mainly comprises a solid-sealed insulator, an insulating pull rod and the like, the solid-sealed insulator comprises a vacuum arc-extinguishing chamber and an insulating shell, the vacuum arc-extinguishing chamber is arranged in the insulating shell, and the closing or breaking of a circuit is realized by virtue of excellent vacuum insulation and arc extinguishing performances. At present, a high-voltage switch cabinet generally adopts a mode of two paths of incoming wires, one path is used for standby, namely, two vacuum circuit breakers (switches) are arranged in two different high-voltage switch cabinets, so that two vacuum circuit breakers and two high-voltage switch cabinets are needed, no method is available for realizing through one vacuum circuit breaker, the two vacuum circuit breakers are high in product cost, the interlocking is complex, and the realization is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a dual supply seals insulator admittedly and seals utmost point post thereof to satisfy dual supply circuit breaker demand, and reduce its volume and reduce a cubical switchboard, practice thrift the cost.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a dual supply seals insulator admittedly, including insulating casing, be equipped with in the insulating casing and be side by side interval arrangement last explosion chamber and lower explosion chamber, front end be equipped with by insulating casing parcel and with last explosion chamber and down the leading-out terminal of explosion chamber pass through the well electrically conductive piece that the copper bar is connected, the rear end is equipped with by insulating casing parcel and with last explosion chamber and lower explosion chamber correspond respectively last cavity and lower cavity, both sides are equipped with respectively by insulating casing parcel and for the last electrically conductive piece of well electrically conductive piece symmetrical arrangement and electrically conductive piece down, the inlet wire end of going up the explosion chamber and the leading-out terminal of last electrically conductive piece all are located the cavity, the inlet wire end of explosion chamber and the leading-out terminal of electrically conductive piece down all are located cavity.

Furthermore, the upper arc extinguish chamber and the lower arc extinguish chamber are both vacuum arc extinguish chambers.

Furthermore, the upper arc extinguish chamber and the lower arc extinguish chamber are both of horizontal installation structures.

Furthermore, the insulation shell between the upper conductive piece and the middle conductive piece and between the lower conductive piece and the middle conductive piece is provided with insulation reinforcing ribs.

Furthermore, lightening holes are formed in the insulating reinforcing ribs.

Further, umbrella skirt-shaped bulges are arranged on the inner walls of the upper chamber and the lower chamber.

Further, the upper conductive piece and the lower conductive piece are made of copper bars through bending.

Furthermore, a buffer cavity is arranged in the insulating shell between the upper arc extinguish chamber and the lower arc extinguish chamber.

The utility model also provides a dual supply seals utmost point post admittedly, including touching arm, flexible coupling, insulating pull rod and foretell dual supply seals the insulator admittedly, wherein, go up electrically conductive piece, well electrically conductive piece and electrically conductive piece under and expose insulating casing's one end setting touch the arm, it has one to hold respectively in cavity and the cavity of resorption insulating pull rod, and the inlet wire end of going up the explosion chamber and the leading-out terminal of last electrically conductive piece pass through one flexible coupling and one insulating pull rod connect, the inlet wire end of lower explosion chamber and the leading-out terminal of lower electrically conductive piece pass through another flexible coupling and another insulating pull rod connect.

Furthermore, a plum blossom contact is arranged on the contact arm.

The utility model has the advantages that: the utility model discloses a dual supply seals insulator admittedly adopts two way vacuum interrupter to connect and seals admittedly in an insulating casing after merging, can make it possess dual supply mode, does benefit to and merges two circuit breakers into one to dwindle the switch volume and reduced cubical switchboard quantity, practiced thrift manufacturing cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a dual-power solid-sealed insulator of the present invention;

fig. 2 is a schematic structural view of a dual-power solid-sealed pole formed by applying the dual-power solid-sealed insulator of the present invention;

reference numerals: the device comprises an insulating shell 1, an upper conductive piece 2, an upper arc extinguish chamber 3, a copper bar 4, a middle conductive piece 5, a lower arc extinguish chamber 6, an insulating reinforcing rib 7, a lightening hole 8, a lower conductive piece 9, an umbrella skirt-shaped bulge 10, an upper chamber 11, a lower chamber 12, a buffer cavity 13, a contact arm 14, a flexible connection 15 and an insulating pull rod 16; the dual power embedded pole 100.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1, the dual-power-supply sealing insulator in this embodiment includes an insulating housing 1, an upper arc-extinguishing chamber 3 and a lower arc-extinguishing chamber 6 are arranged in the insulating housing 1 at intervals side by side, the upper arc-extinguishing chamber 3 and the lower arc-extinguishing chamber 6 both adopt vacuum arc-extinguishing chambers, and both adopt horizontal installation structures, so that the structure is compact; the front end of the insulating shell 1 is further provided with a middle conductive piece 5 which is wrapped by the insulating shell 1 and is connected with the wire outlet ends of the upper arc extinguish chamber 3 and the lower arc extinguish chamber 6 through a copper bar 4, the middle conductive piece 5 is made of a copper bar, the rear end of the insulating shell 1 is further provided with an upper chamber 11 and a lower chamber 12 which are wrapped by the insulating shell 1 and respectively correspond to the upper arc extinguish chamber 3 and the lower arc extinguish chamber 6, the two sides of the insulating shell 1 are respectively provided with an upper conductive piece 2 and a lower conductive piece 9 which are wrapped by the insulating shell 1 and are symmetrically arranged relative to the middle conductive piece 5, the upper conductive piece 2 and the lower conductive piece 9 are made of copper bars in a bending mode, the wire inlet end of the upper arc extinguish chamber 3 and the wire outlet end of the upper conductive piece 2 are both located in the upper chamber 11, and the wire inlet end of. Adopt above-mentioned scheme, the utility model discloses a dual supply seals insulator admittedly adopts two way vacuum interrupter to connect and seals admittedly after merging in an insulating casing, can make it possess dual supply mode to the dual supply utmost point post of preparation from this can be used to the circuit breaker and makes it form dual supply circuit breaker, thereby reduces cubical switchboard quantity.

Specifically, the dual-power solid-sealed pole 100 made of the dual-power solid-sealed insulator further comprises a contact arm 14 with a tulip contact, a flexible connection 15 and an insulation pull rod 16, as shown in fig. 2, wherein one end of the upper conductive piece 2, the middle conductive piece 5 and the lower conductive piece 9 exposed out of the insulation shell 1 is used for arranging the contact arm 14 with the tulip contact, the upper chamber 11 and the lower chamber 12 are respectively accommodated with one insulation pull rod 16, the wire inlet end of the upper arc-extinguishing chamber 3 in the upper chamber 11 and the wire outlet end of the upper conductive piece 2 are connected to one insulation pull rod 16 through one flexible connection 15, the wire inlet end of the lower arc-extinguishing chamber 6 in the lower chamber 12 and the wire outlet end of the lower conductive piece 9 are connected to the other insulation pull rod 16 through the other flexible connection 15, so as to form a dual-power solid-sealed pole, the wire inlet is conducted through the upper conductive piece, and then passes through, the wire outgoing from the middle conductive piece realizes the conductive function of one group of switches, and similarly, the conductive function of the other group of switches is realized through the lower conductive piece, the flexible connection, the lower arc extinguish chamber and the middle conductive piece, the wire inlet ends of the upper arc extinguish chamber and the lower arc extinguish chamber are connected through the insulating pull rod, and the switching-on and switching-off actions of the upper arc extinguish chamber and the lower arc extinguish chamber are controlled by the operating mechanism connected with the insulating pull rod, so that the dual-power mode is realized.

In the embodiment, the insulation casing 1 between the upper conductive member 2 and the middle conductive member 5 and between the lower conductive member 9 and the middle conductive member 5 is provided with the insulation reinforcing rib 7 for enhancing the strength of the insulation casing, and the insulation reinforcing rib 7 is provided with the lightening holes 8 for reducing the weight of the insulation casing. Simultaneously, insulating casing and insulating strengthening rib formula as an organic whole to guarantee its intensity.

The inner walls of the upper chamber 3 and the lower chamber 6 in this embodiment are provided with umbrella skirt-shaped protrusions 10. In the electrical field, the safety distances that determine the two conductive components include the electrical gap, the insulation penetration distance, and the creepage distance. Where creepage distance represents the shortest distance between two adjacent conductors or one conductor and the adjacent motor casing surface, measured along the insulating surface. The shed-like protrusions 10 on the inner walls of the upper chamber 3 and the lower chamber 6 can serve to increase the creepage distance.

In the present embodiment, a buffer chamber 13 is provided in the insulating housing 1 between the upper arc-extinguishing chamber 3 and the lower arc-extinguishing chamber 6. For absorbing the heating effect of the upper chamber or the lower chamber during operation.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. Dual supply seals insulator admittedly, including insulating casing (1), its characterized in that, be equipped with in the insulating casing and be side by side interval arrangement last explosion chamber (3) and lower explosion chamber (6), front end be equipped with by insulating casing parcel and with last explosion chamber and lower explosion chamber's leading-out terminal through copper bar (4) be connected well electrically conductive (5), the rear end be equipped with by insulating casing parcel and with last explosion chamber and lower explosion chamber correspond respectively last cavity (11) and lower cavity (12), both sides be equipped with respectively by insulating casing parcel and for well electrically conductive symmetrical arrangement last electrically conductive (2) and electrically conductive (9) down, the inlet wire end of going up the explosion chamber and the leading-out terminal of electrically conductive piece all are located last cavity down, the inlet wire end of explosion chamber and the leading-out terminal of electrically conductive piece down all are located cavity down.

2. The dual power solid seal insulator of claim 1, wherein the upper and lower arc chutes are both vacuum arc chutes.

3. The dual-power-supply solid-sealed insulator as claimed in claim 1 or 2, wherein the upper arc-extinguishing chamber and the lower arc-extinguishing chamber are both horizontally mounted.

4. The dual-power solid-sealed insulator of claim 1, wherein the insulating shell between the upper conductive piece and the middle conductive piece and the insulating shell between the lower conductive piece and the middle conductive piece are respectively provided with an insulating reinforcing rib (7).

5. The dual-power-supply solid-sealed insulator as claimed in claim 4, wherein the insulating reinforcing rib is provided with lightening holes (8).

6. The dual-power-supply solid-sealed insulator as claimed in claim 1, wherein umbrella-skirt-shaped protrusions (10) are arranged on the inner walls of the upper chamber and the lower chamber.

7. The dual-power solid-sealed insulator of claim 1, wherein the upper conductive piece and the lower conductive piece are made of bent copper bars.

8. The dual-power solid-sealed insulator as claimed in claim 1, wherein a buffer chamber (13) is provided in the insulating housing between the upper arc-extinguishing chamber and the lower arc-extinguishing chamber.

9. Dual-power solid-sealed polar pole comprises a contact arm (14), a flexible connection (15) and an insulating pull rod (16), and is characterized by further comprising the dual-power solid-sealed insulator as claimed in any one of claims 1-8, wherein one end of the upper conductive piece, the middle conductive piece and the lower conductive piece, which are exposed out of the insulating shell, is provided with the contact arm, one insulating pull rod is respectively accommodated in the upper chamber and the lower chamber, the wire inlet end of the upper arc extinguish chamber and the wire outlet end of the upper conductive piece are connected with one insulating pull rod through one flexible connection, and the wire inlet end of the lower arc extinguish chamber and the wire outlet end of the lower conductive piece are connected with the other insulating pull rod through another flexible connection.

10. The dual-power-supply embedded pole column of claim 9, wherein a tulip contact is arranged on the contact arm.