CN202308890U

CN202308890U - Three-pole common box/cylinder main bus device

Info

Publication number: CN202308890U
Application number: CN2011203825845U
Authority: CN
Inventors: 米雄刚; 郭剑火; 钱卫; 刘全都; 唐小江
Original assignee: Chint Electric Co Ltd
Current assignee: Chint Electric Co Ltd
Priority date: 2011-10-10
Filing date: 2011-10-10
Publication date: 2012-07-04
Anticipated expiration: 2021-10-10

Abstract

The technical scheme of the utility model provides a three-pole common box/cylinder main bus device characterized in that: a pair of A-pole conductors, a pair of B-pole conductors and a pair of C-pole conductors are respectively symmetrically distributed in a bus cylinder or a bus box from outside to inside; a top of the each A-pole conductor, a top of the each B-pole conductor, and a top of the each C-pole conductor are respectively fastened on a first conductor, the each first conductor is fastened on a disc insulator thereof, the disc insulators are connected with the bus cylinder or the bus box; two ends of the top of the each A-pole conductor, two ends of the top of the each B-pole conductor, and two ends of the top of the each C-pole conductor are respectively provided with a connecting head and a shielding head; and the pair of A-pole conductors, the pair of B-pole conductors and the pair of C-pole conductors are respectively connected with each other through a second conductor therebetween. The three-pole common box/cylinder main bus device of the utility model has the advantages of simple structure, fewer parts, capacity for effectively reducing gas consumption, and environmental protection; in addition, cost of the three-pole common box/cylinder main bus device of the utility model is about 70% of cost of the present three-pole common box main bus device.

Description

Three extremely are total to case/tube main bus bar device

Technical field

The utility model relates to a kind of three casees or the main bus bar device of tube extremely altogether altogether, be used for Cubicle Gas-Insulated Switchgear (hereinafter to be referred as: main bus bar coupling part GIS) belongs to high voltage electrical apparatus technical field.

Background technology

The main bus bar coupling part structure of GIS all adopts three extremely to be total to tube, tube inner supporting structure at present.Like Fig. 1 and shown in Figure 2; This structure generally is made up of cover plate 1, shielding 2, joint 3, bus bar canister 4, conductor tab B5, radome 6, conductor 7, big radome 8, conductor 9, Mume flower contact 10, A utmost point conductor tab 11, B utmost point conductor tab, C utmost point conductor tab, A utmost point conductor 12, B utmost point conductor 13, C utmost point conductor, radome 14, contact base 15, branch's Mume flower contact 16, contact 17, conductor 18, disc insulator 19, insulation pad 20, radome 21, mounting panel 22 etc.; Conductor, contact, radome partly are sealed in the metal cylinder of cover plate 1, bus bar canister 4 compositions, and charge into certain

Figure 2011203825845100002DEST_PATH_IMAGE001

gas-insulated.

Can be found out that by Fig. 1 and Fig. 2 this apparatus structure is complicated, the parts kind is many, has 22 kinds, the Mume flower contact mode is adopted in the connection between conductor.Because Mume flower contact connected mode part is many, volume is big; The diameter that causes big radome 8 is 178mm; Add parts such as insulation pad 21, mounting panel 22; Make that the diameter of bus bar canister 4 is bigger; Be 800mm, cause the material of bus bar canister 4 to increase, in

gas of filling increase.Add that parts are many, assembly process is complicated, make assembling effort, time-consuming.The requirement of therefore, this main bus bar device incompatibility GIS miniaturization, low cost, energy-conserving and environment-protective (reducing

gas usage).

Summary of the invention

The purpose of the utility model provides a kind of novel three case/tube main bus bar devices extremely altogether, and case/tube main bus bar device volume greatly, complex structure, part is many, cost is high, be unfavorable for the problem of environmental protection extremely altogether to solve existing three.

In order to achieve the above object; The technical scheme of the utility model has provided a kind of three and extremely has been total to case/tube main bus bar device; It is characterized in that: comprise bus bar canister or bus-bar chamber; Be respectively equipped with a cover plate in the both sides of bus bar canister or bus-bar chamber, the vertical center line with bus bar canister or bus-bar chamber in bus bar canister or bus-bar chamber is that symmetry axis is symmetrically distributed with a pair of A utmost point conductor, B utmost point conductor and C utmost point conductor from outside to inside respectively, and the top of each A utmost point conductor, B utmost point conductor and C utmost point conductor is fastened on respectively on first conductor; Each first conductor is fastened on the disc insulator separately; Disc insulator links to each other with bus bar canister or bus-bar chamber, is respectively equipped with joint and shielding head at the two ends, top of each A utmost point conductor, B utmost point conductor and C utmost point conductor, wherein; Joint on every pair of A utmost point conductor, B utmost point conductor and the C utmost point conductor is oppositely arranged; On each joint, be provided with spring touch finger, lean on second conductor to be connected between every pair of A utmost point conductor, B utmost point conductor and the C utmost point conductor respectively, insert respectively in two joints of positioned opposite of a pair of A utmost point conductor, B utmost point conductor or C utmost point conductor at the two ends of second conductor.

Preferably, the surface in said joint has groove, and said spring touch finger is located in this groove.

The utility model has the advantages that: simple in structure, part is few; Can effectively reduce the consumption of

gas, therefore be beneficial to environmental protection; Its cost is to have three now extremely to be total to about 70% of case main bus bar device.

Description of drawings

Fig. 1 is former a kind of three case main bus bar schematic representation of apparatus extremely altogether;

Fig. 2 is that D-D among Fig. 1 is to cutaway view;

A kind of three case/tube main bus bar schematic representation of apparatus extremely altogether that Fig. 3 provides for the utility model;

Fig. 4 is that D-D among Fig. 3 is to cutaway view.

Embodiment

For making the utility model more obviously understandable, now with a preferred embodiment, and conjunction with figs. elaborates as follows.

Like Fig. 3 and shown in Figure 4; The utility model provides a kind of three case/tube main bus bar devices extremely altogether; Comprise bus bar canister 23 or bus-bar chamber; Being respectively equipped with a cover plate 33 in the both sides of bus bar canister 23 or bus-bar chamber, is that symmetry axis is symmetrically distributed with a pair of A utmost point conductor 24, B utmost point conductor 25 and C utmost point conductor 26 from outside to inside respectively with the vertical center line of bus bar canister 23 or bus-bar chamber in bus bar canister 23 or bus-bar chamber, and the top of each A utmost point conductor 24, B utmost point conductor 25 and C utmost point conductor 26 is fastened on respectively on first conductor 27; Each first conductor 27 is fastened on the disc insulator 28 separately; Disc insulator 28 links to each other with bus bar canister 23 or bus-bar chamber, is respectively equipped with joint 29 and shielding 30 at the two ends, top of each A utmost point conductor 24, B utmost point conductor 25 and C utmost point conductor 26, wherein; Joint 29 on every pair of A utmost point conductor 24, B utmost point conductor 25 and the C utmost point conductor 26 is oppositely arranged; On each joint 29, be provided with spring touch finger 31, the surface in joint 29 has groove, and spring touch finger 31 just is located in this groove; Lean on second conductor 32 to link to each other between every pair of A utmost point conductor 24, B utmost point conductor 25 and the C utmost point conductor 26 respectively, insert respectively in two joints 29 of positioned opposite of a pair of A utmost point conductor 24, B utmost point conductor 25 or C utmost point conductor 26 at the two ends of second conductor 32.

With B utmost point conductor 25 is example; Its assembling process is: first conductor 27 is fastened on respectively on two disc insulators 28 through bolt; B utmost point conductor 25 is fastened on respectively on first conductor 27 through bolt, about joint 29 and shielding 30 are fastened on respectively through bolt on two B utmost point conductors 25, spring touch finger 31 is packed in the groove of joint 29 inner surfaces; Then disc insulator 28 and the part that assembles are connected with bus bar canister 23; And fastening, about inserting respectively, second conductor 32 in two joints 29, contacts with joint 29 through spring touch finger 31.Second conductor 32 is through reasonable computation, make can insert easily about in two joints 29, be unlikely in service again and from joint 29, break away from.The concave surface compression damage intensity of disc insulator 28 can be born the weight and the 4000A electric power of conductor more than 2.5MPa.A utmost point conductor 24 and C utmost point conductor 26 can be implemented by the mode of B utmost point conductor 25 successively.

The device that the utility model is provided is used for the main bus bar part of sulfur hexafluoride gas-insulating metal enclosed switchgear (GIS).Under the identical situation of rated current; Owing to removed 12 kinds of parts such as insulation pad 20 among Fig. 1, radome 21, mounting panel 22; Adopt the spring touch finger connected mode; The contact diameter has reduced 32%, the bus bar canister reduced 19%,

gas has reduced 35%; Not only simplify mechanism, assembly technology, and reduced cost of manufacture.

Claims

1. one kind three extremely is total to case/tube main bus bar device; It is characterized in that: comprise bus bar canister (23) or bus-bar chamber; Be respectively equipped with a cover plate (33) in the both sides of bus bar canister (23) or bus-bar chamber; Vertical center line with bus bar canister (23) or bus-bar chamber in bus bar canister (23) or bus-bar chamber is that symmetry axis is symmetrically distributed with a pair of A utmost point conductor (24), B utmost point conductor (25) and C utmost point conductor (26) from outside to inside respectively; The top of each A utmost point conductor (24), B utmost point conductor (25) and C utmost point conductor (26) is fastened on respectively on first conductor (27); Each first conductor (27) is fastened on the disc insulator (28) separately; Disc insulator (28) links to each other with bus bar canister (23) or bus-bar chamber; Be respectively equipped with joint (29) and shielding head (30) at the two ends, top of each A utmost point conductor (24), B utmost point conductor (25) and C utmost point conductor (26); Wherein, the joint (29) on every pair of A utmost point conductor (24), B utmost point conductor (25) and the C utmost point conductor (26) is oppositely arranged, and on each joint (29), is provided with spring touch finger (31); Lean on second conductor (32) to be connected between every pair of A utmost point conductor (24), B utmost point conductor (25) and the C utmost point conductor (26) respectively, insert respectively in two joints (29) of positioned opposite of a pair of A utmost point conductor (24), B utmost point conductor (25) or C utmost point conductor (26) at the two ends of second conductor (32).

2. as claimed in claim 1 a kind of three extremely are total to case/tube main bus bar device, and it is characterized in that: the surface in said joint (29) has groove, and said spring touch finger (31) is located in this groove.