CN205304077U - Indoor box sulfur hexafluoride looped netowrk cabinet - Google Patents
Indoor box sulfur hexafluoride looped netowrk cabinet Download PDFInfo
- Publication number
- CN205304077U CN205304077U CN201521145205.5U CN201521145205U CN205304077U CN 205304077 U CN205304077 U CN 205304077U CN 201521145205 U CN201521145205 U CN 201521145205U CN 205304077 U CN205304077 U CN 205304077U
- Authority
- CN
- China
- Prior art keywords
- sulfur hexafluoride
- switch
- load switch
- room
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an indoor box sulfur hexafluoride looped netowrk cabinet, including bus -bar room, switch gear room, instrument room and cable chamber, installation main bus -bar in the bus -bar room, switch gear room's installation load switch, main bus -bar and load switch's quiet contact connection, load switch's moving contact is connected with the one end of fuse, the other end and the interior cable junction of cable chamber of fuse, mainly be that load switch adopts sulfur hexafluoride load switch, this sulfur hexafluoride load switch adopts composite structure with the fuse. The product is small, and it is little to occupy installation space, is applicable to rated voltage 40.5kV electric power system.
Description
Technical field
This utility model belongs to power switchgear, specifically about a kind of sulfur hexafluoride looped network box. This utility model is ring network power supply, biradial is powered or terminal is powered control and protection device suitable in 40.5kV high-voltage electric power system.
Background technology
Existing XGN15-12 indoor box-type sulfur hexafluoride looped network box and XGN15-24 indoor box-type sulfur hexafluoride looped network box, be only applicable to 12kV and 24kV three-phase alternating current Force system medium ring net is powered, biradial is powered or terminal is powered control and protection device. Ring main unit is made up of bus-bar room, switch gear room, control room and cable vault, switchs indoor location on-load switch, earthed switch, high-voltage and current-limitation fuse, and on-load switch and fuse are generally adopted vacuum load switch and vacuum circuit breaker. It main drawback is that and is used in when making in rated voltage 40.5kV power system, and the volume of its vacuum load switch and vacuum circuit breaker needs very big, causes the sufficiently bulky of ring main unit, takies installing space big.
Summary of the invention
The purpose of this utility model is the shortcoming existed for prior art, it is provided that a kind of suitable in rated voltage 40.5kV, the indoor box-type sulfur hexafluoride looped network box that volume is little, installing space is little.
The technical solution of the utility model includes bus-bar room, switch gear room, control room and cable vault, bus indoor location main bus-bar, on-load switch is installed by switch gear room, main bus-bar is connected with the static contact of on-load switch, the moving contact of on-load switch is connected with one end of fuse, and the other end of fuse is connected with the cable in cable vault; Mainly on-load switch adopts sulfur hexafluoride loading switch, and this sulfur hexafluoride loading switch adopts fabricated structure with fuse.
Preferably, sulfur hexafluoride loading switch is made up of housing, static contact, moving contact, arc-chute, and housing adopts epoxy resin Threephase common-box structure, and housing cavity fills sulfur hexafluoride gas; Inner walls in moving contact lower left installs ground connection quiescent contacting knife, right side arranges the bearing block of poured with epoxy resin, it is arranged on bearing block by bearing in the middle part of major axis, one end of major axis is connected with one end of connecting lever connecting rod, the other end of major axis connects spring operating mechanism, and the other end of connecting lever connecting rod is connected with moving contact.
The utility model has the advantages that on-load switch adopts sulfur hexafluoride loading switch, sulfur hexafluoride loading switch adopts packet type switch structure with fuse, volume of switch is little, reduce the space of switch gear room, especially when being used in rated voltage 40.5kV power system, it is significantly reduced small product size and installing space.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sulfur hexafluoride loading switch structural representation in this utility model Fig. 1.
A-bus room, B switch gear room, C cable vault, D control room, 1 cabinet, 2 ground electrodes, 3 cables, 4 cable connectors, 5 earthed switches, 6 air density meters, 7 fuses, 8 sticks, 9 sulfur hexafluoride loading switchs, 10 fixing plate, 11 main bus-bars, 9.1 static contacts, 9.2 arc-chutes, 9.3 upper covers, 9.4 moving contacts, 9.5 lower covers, 9.6 major axis, 9.7 connecting lever connecting rods, 9.8 ground connection quiescent contacting knifes.
Detailed description of the invention
Indoor box-type sulfur hexafluoride looped network box as shown in Figure 1, including bus-bar room A, switch gear room B, control room D and cable vault C, main bus-bar 11 is installed in bus-bar room A, switch gear room B installs on-load switch, main bus-bar 11 is connected with the static contact of on-load switch, the moving contact of on-load switch is connected with one end of fuse 7, and the other end of fuse 7 is connected with the cable 3 in cable vault C; On-load switch adopts sulfur hexafluoride loading switch 9, and this sulfur hexafluoride loading switch 9 adopts fabricated structure with fuse 7. Sulfur hexafluoride loading switch 9 adopts FLRN36-40.5/125-31.5 type or FLN36-40.5/630-24 type structure, and its moving contact is jointly cast in one end of fuse 7 in the housing of sulfur hexafluoride loading switch 9 and is connected and one. Bus-bar room A, switch gear room B, control room D and cable vault C are positioned at four positions of cabinet 1, the base plate of cabinet 1 arranges the ground electrode 2 of a connection earthed switch 5, it is connected by cable connector 4 between cable 3 with fuse 7, fuse 7 is fixed on cabinet 1 by fixing plate 10, earthed switch 5 is connected with the safety interlock in control room D by stick 8, air density meter 6 is installed in switch gear room B, measures the density of sulfur hexafluoride and send sulfur hexafluoride leakage alarms.
Sulfur hexafluoride loading switch 9 is made up of housing, static contact 9.1, moving contact 9.4, arc-chute 9.2, and housing adopts epoxy resin Threephase common-box structure, and housing cavity fills sulfur hexafluoride gas, and housing adopts upper cover 9.3 and lower cover 9.5 seal combination to form; Inner walls in moving contact 9.4 lower left installs ground connection quiescent contacting knife 9.8, right side arranges the bearing block of poured with epoxy resin, it is arranged on bearing block by bearing in the middle part of major axis 9.6, one end of major axis 9.6 is connected with one end of connecting lever connecting rod 9.7, the other end of major axis 9.6 connects spring operating mechanism, the other end of connecting lever connecting rod 9.7 is connected with moving contact 9.4, as shown in Figure 2. The air pressure of sulfur hexafluoride (SF6) gas is 0.04MPa, as arc extinguishing and dielectric. Major axis 9.6 realizes combined floodgate and the separating brake of moving contact 9.4 and static contact 9.1 under spring operating mechanism effect, and the combined floodgate ground connection of moving contact 9.4 and ground connection quiescent contacting knife 9.8 operates.
Claims (2)
1. an indoor box-type sulfur hexafluoride looped network box, including bus-bar room (A), switch gear room (B), control room (D) and cable vault (C), main bus-bar (11) is installed in bus-bar room (A), (B) installs on-load switch in switch gear room, main bus-bar (11) is connected with the static contact of on-load switch, the moving contact of on-load switch is connected with the one end of fuse (7), and the other end of fuse (7) is connected with the cable (3) in cable vault (C); It is characterized in that on-load switch adopts sulfur hexafluoride loading switch (9), this sulfur hexafluoride loading switch (9) adopts fabricated structure with fuse (7).
2. indoor box-type sulfur hexafluoride looped network box according to claim 1, it is characterized in that sulfur hexafluoride loading switch (9) is made up of housing, static contact (9.1), moving contact (9.4), arc-chute (9.2), housing adopts epoxy resin Threephase common-box structure, and housing cavity fills sulfur hexafluoride gas;Inner walls in moving contact (9.4) lower left installs ground connection quiescent contacting knife (9.8), right side arranges the bearing block of poured with epoxy resin, major axis (9.6) middle part is arranged on bearing block by bearing, one end of major axis (9.6) is connected with one end of connecting lever connecting rod (9.7), the other end of major axis (9.6) connects spring operating mechanism, and the other end of connecting lever connecting rod (9.7) is connected with moving contact (9.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145205.5U CN205304077U (en) | 2015-12-30 | 2015-12-30 | Indoor box sulfur hexafluoride looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145205.5U CN205304077U (en) | 2015-12-30 | 2015-12-30 | Indoor box sulfur hexafluoride looped netowrk cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304077U true CN205304077U (en) | 2016-06-08 |
Family
ID=56470540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521145205.5U Expired - Fee Related CN205304077U (en) | 2015-12-30 | 2015-12-30 | Indoor box sulfur hexafluoride looped netowrk cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205304077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786113A (en) * | 2016-12-29 | 2017-05-31 | 重庆市东泰电器实业有限公司 | A kind of modular sulfur hexafluoride looped network box |
| CN111917016A (en) * | 2020-08-12 | 2020-11-10 | 杭州万禾电力科技有限公司 | Large capacity looped netowrk cabinet of insulating mode of environment-friendly |
-
2015
- 2015-12-30 CN CN201521145205.5U patent/CN205304077U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786113A (en) * | 2016-12-29 | 2017-05-31 | 重庆市东泰电器实业有限公司 | A kind of modular sulfur hexafluoride looped network box |
| CN111917016A (en) * | 2020-08-12 | 2020-11-10 | 杭州万禾电力科技有限公司 | Large capacity looped netowrk cabinet of insulating mode of environment-friendly |
| CN111917016B (en) * | 2020-08-12 | 2022-05-27 | 杭州万禾电力科技有限公司 | Large capacity looped netowrk cabinet of insulating mode of environment-friendly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20181230 |