CN2728057Y - Load switch of gas filled type ring net switching device - Google Patents
Load switch of gas filled type ring net switching device Download PDFInfo
- Publication number
- CN2728057Y CN2728057Y CN 200420037048 CN200420037048U CN2728057Y CN 2728057 Y CN2728057 Y CN 2728057Y CN 200420037048 CN200420037048 CN 200420037048 CN 200420037048 U CN200420037048 U CN 200420037048U CN 2728057 Y CN2728057 Y CN 2728057Y
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- switch
- fixed contact
- phase
- gas
- stationary contact
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- Expired - Fee Related
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- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A load switch of gas filled type ring net switching device is disclosed. The load switch of 2-6 common box type arranged in the fully enclosed metal box of gas insulation comprises a switch main shaft, front and back movable contacts, a fixed contact, a mounting flange, a shaft sleeve, an upper and a lower mounting plate, etc, and a three-phase sealing sleeve connected with the external cables, and the three poles of the switch are arranged in upper, middle and lower line layout, and vertical to a basal plane; the three-phase sealing sleeve is parallel to the basal plane in upper, middle and lower oblique lines and alternating arranged; the front and back fixed contact bases are made of insulation materials, and the front and back fixed contacts are poured and scarf-jointed in the front and back fixed contact bases, which are blind between the front and the back parts, making that the external sides of the front and back fixed contact bases carry no electricity and can respectively cleave to a bent plate of the air box and a back closing plate of the air box. The advantages are decreasing of the size of the equipment at the depth direction, and reduction of the box volume, the floor area of the equipment and the consumption of the gas medium, so the cost of equipment is reduced.
Description
Technical field
The utility model relates to the on-load switch in the switchgear that is suitable in the 10KV electrical network accepting and to distribute the band metallic case and gas isolation that electric energy uses.
Background technology
The switchgear of existing band metallic case and gas isolation mainly contains models such as RM6, HXGT6, Safering.The switch of this equipment, bus, support insulators are configured in the totally enclosed metal shell, in fill sulfur hexafluoride gas as arc extinguishing and dielectric, link to each other with the cable in the external world by Sealed casing pipe.It is horizontal that known on-load switch three utmost points are yi word pattern, and parallel with basal plane, the three-phase Sealed casing pipe is vertical with basal plane, and such layout makes equipment depth direction size increase, and causes occupation area of equipment to increase; Secondly, as the on-load switch and the metal shell adjacent of dielectric bigger insulating space housing insulation gas to be arranged, not only need a large amount of gas mediums, the gas tank volume is increased greatly with gas.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of prior art and a kind of reduction equipment volume is provided, reduces floor space, reduces the gas-filled type looped network switch apparatus on-load switch of gas medium use amount.
Goal of the invention of the present utility model is achieved through the following technical solutions:
A kind of gas-filled type looped network switch apparatus on-load switch, this on-load switch is that 2～6 common box types are configured in by the gas tank bent plate, in the metal enclosed casing that shrouding and side plate are formed behind the gas tank, comprise and be located at the switch spindle that supports by mounting flange and axle sleeve between switch upper mounting plate and the switch lower installation board, before the casing, rear side is respectively equipped with the upper end and fixes with the switch upper mounting plate, preceding stationary contact headstock that lower end and switch lower installation board are fixing and back stationary contact headstock, the preceding fixed contact of switch three utmost points and back fixed contact are installed in respectively in preceding stationary contact headstock and the back stationary contact headstock, be provided with by before the spring compression in the movable contact headstock of connection switch spindle, back moving contact, the switch bus is fixed on the fixed contact of back, the three-phase Sealed casing pipe of fixed contact links to each other with the cable in the external world before connecting, and it is characterized in that described switch three utmost points present, in, following straight line is vertical with basal plane; Described three-phase Sealed casing pipe is parallel with basal plane to be presented, in, oblique line and dislocation are arranged down; Stationary contact headstock and back stationary contact headstock are made by insulating material before described, and forward and backward fixed contact cast interlocking and is close to respectively behind gas tank bent plate and the gas tank on the shrouding in the forward and backward stationary contact headstock of dysuria and constipation.
Described three-phase Sealed casing pipe comprises A phase sleeve pipe, B phase sleeve pipe and C sleeve pipe mutually, three-phase sleeve pipe one end outside respectively with A mutually cable, B phase cable and C phase cable be connected, the other end links to each other with preceding fixed contact, by the platen positioning and fixing on the gas tank bent plate.
Compare with known technology, the utility model has improved the layout designs of switch three utmost points and Sealed casing pipe, and the installation of forward and backward stationary contact headstock improved, make it can be adjacent to shrouding behind gas tank bent plate and the gas tank, dwindle the inner space, the depth direction size of this equipment is reduced greatly, dwindled the casing volume, reduced the use amount of occupation area of equipment and gas medium, cost of equipment is reduced.
Description of drawings
Fig. 1 is the utility model side direction structural representation (removing side plate).
Fig. 2 is the D-D sectional structure schematic diagram of Fig. 1.
Fig. 3 arranges schematic diagram for threephase cable.
Embodiment
Below with reference to above-mentioned accompanying drawing embodiment the utility model is described in detail again.
As Figure 1-3, gas-filled type looped network switch apparatus on-load switch, this on-load switch is arranged on by shrouding 5 and biside plate behind the gas tank bent plate 2 of " U " type, the gas tank to be formed in welding fixing metal enclosed casing, is 2～6 common box type configurations, 3 switches of present embodiment configuration.It and spring operating mechanism be supporting to be accepted in the 10KV electrical network and distributes electric energy, all switches, bus, support insulators all are configured in the totally enclosed metal cabinet, charge into sulfur hexafluoride gas as arc extinguishing and dielectric through the charge valve (not shown), link to each other with the cable in the external world by Sealed casing pipe, realize separating brake and closing function.
On-load switch comprises and is located at switch upper mounting plate 4 and is switch spindle 11 between the switch lower installation board 13 of base with switch mounting panel 14, this switch spindle is made by insulating material, be vertical installation, the switch spindle upper end is supported by the mounting flange 3 that is fixed on the gas tank bent plate 2, the lower end is supported by the axle sleeve 12 that is fixed on the switch lower installation board 13, requiring has end play between mounting flange and axle sleeve and switch spindle, can guarantee the switch spindle rotation flexibly, constitute the switch of rotary double break mouth structure.A, B, that C three utmost points are the upper, middle and lower straight line is vertical with basal plane, and the forward and backward moving contact 7 usefulness holddown springs 6 of three utmost points are installed in the movable contact headstock that fixes with switch spindle.The forward and backward fixed contact 17,9 of A, B, C three utmost points is embedded to be cast in (as epoxy resin) in the insulating material, this insulating material constitutes the upper end and is fixed on preceding stationary contact headstock 20 and the back stationary contact headstock 8 that switch upper mounting plate, lower end are fixed on the dysuria and constipation on the switch lower installation board, the outside H face of forward and backward stationary contact headstock, E face insulate not charged, inboard G face, F wear, so the outside H face and E face can be close to shrouding 5 behind gas tank bent plate 2 and the gas tank respectively, dwindle the inner space, the casing volume is dwindled greatly, thereby reduce the use amount of insulating gas medium.3 switches are fastened on the fixed contact 9 of back with bus 10.
The three-phase Sealed casing pipe is made up of A phase sleeve pipe 18, B phase sleeve pipe 16, C phase sleeve pipe 15, cable 21, B phase cable 22, C phase cable 23 connect the one end mutually with corresponding A outside, the other end links to each other with preceding fixed contact 17, by platen 19 positioning and fixing on gas tank bent plate 2, and the three-phase Sealed casing pipe is parallel with basal plane and dislocation is stairstepping arranged (Fig. 2-3), make threephase cable easy to connect, do not produce interference.
The switchgear of electric energy is accepted and distributed to the supporting formation of the utility model and spring operating mechanism, when the connecting axle 1 of spring operating mechanism gives rotary power driving switch main shaft 11 and does spinning movement, drive three extremely forward and backward moving contacts 7 and break away from forward and backward fixed contacts 17,9 and realize separating brakes, or in conjunction with and realize closing a floodgate.
Claims (2)
1, a kind of gas-filled type looped network switch apparatus on-load switch, this on-load switch is that 2～6 common box types are configured in by gas tank bent plate (2), in the metal enclosed casing that shrouding behind the gas tank (5) and side plate are formed, comprise and be located at the switch spindle (11) that supports by mounting flange (3) and axle sleeve (12) between switch upper mounting plate (4) and the switch lower installation board (13), before the casing, rear side is respectively equipped with the upper end and fixes with the switch upper mounting plate, preceding stationary contact headstock (20) that lower end and switch lower installation board are fixing and back stationary contact headstock (8), the preceding fixed contact (17) of switch three utmost points and back fixed contact (9) are installed in respectively in preceding stationary contact headstock and the back stationary contact headstock, connect be provided with in the movable contact headstock of switch spindle (11) by spring (6) compress before, back moving contact (7), switch bus (10) is fixed on the back fixed contact (9), the three-phase Sealed casing pipe of fixed contact (17) links to each other with the cable in the external world before connecting, and it is characterized in that described switch three utmost points present, in, following straight line is vertical with basal plane; Described three-phase Sealed casing pipe is parallel with basal plane to be presented, in, oblique line and dislocation are arranged down; Stationary contact headstock (20) and back stationary contact headstock (8) are made by insulating material before described, and forward and backward fixed contact cast is rabbeted in the forward and backward stationary contact headstock of dysuria and constipation, and are close to respectively behind gas tank bent plate (2) and the gas tank on the shrouding (5).
2, gas-filled type looped network switch apparatus on-load switch according to claim 1, it is characterized in that described three-phase Sealed casing pipe comprises A phase sleeve pipe (18), B phase sleeve pipe (16) and C sleeve pipe (15) mutually, cable (21), B phase cable (22) and C phase cable (23) are connected three-phase sleeve pipe one end mutually with A respectively outside, the other end links to each other with preceding fixed contact (17), by platen (19) positioning and fixing on gas tank bent plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037048 CN2728057Y (en) | 2004-06-25 | 2004-06-25 | Load switch of gas filled type ring net switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037048 CN2728057Y (en) | 2004-06-25 | 2004-06-25 | Load switch of gas filled type ring net switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2728057Y true CN2728057Y (en) | 2005-09-21 |
Family
ID=35044063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420037048 Expired - Fee Related CN2728057Y (en) | 2004-06-25 | 2004-06-25 | Load switch of gas filled type ring net switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2728057Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589527B (en) * | 2006-12-21 | 2012-04-18 | Abb技术股份有限公司 | High-voltage switchgear |
| CN102683091A (en) * | 2012-05-14 | 2012-09-19 | 北京合锐清合电气有限公司 | 24KV inflatable cabinet load switch |
| CN106469627A (en) * | 2015-08-19 | 2017-03-01 | 厦门华电开关有限公司 | Can phase selection operation switching device |
-
2004
- 2004-06-25 CN CN 200420037048 patent/CN2728057Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589527B (en) * | 2006-12-21 | 2012-04-18 | Abb技术股份有限公司 | High-voltage switchgear |
| CN102683091A (en) * | 2012-05-14 | 2012-09-19 | 北京合锐清合电气有限公司 | 24KV inflatable cabinet load switch |
| CN102683091B (en) * | 2012-05-14 | 2014-09-10 | 北京合锐清合电气有限公司 | 24KV inflatable cabinet load switch |
| CN106469627A (en) * | 2015-08-19 | 2017-03-01 | 厦门华电开关有限公司 | Can phase selection operation switching device |
| CN106469627B (en) * | 2015-08-19 | 2020-01-10 | 厦门华电开关有限公司 | Switch device capable of selecting phase operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050921 Termination date: 20120625 |