CN201536232U - Gas-insulated ring network power distribution unit - Google Patents
Gas-insulated ring network power distribution unit Download PDFInfo
- Publication number
- CN201536232U CN201536232U CN2009200325243U CN200920032524U CN201536232U CN 201536232 U CN201536232 U CN 201536232U CN 2009200325243 U CN2009200325243 U CN 2009200325243U CN 200920032524 U CN200920032524 U CN 200920032524U CN 201536232 U CN201536232 U CN 201536232U
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- loop
- gas
- network power
- closed box
- power supply
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- Expired - Fee Related
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Abstract
The utility model provides a gas-insulated ring network power distribution unit, which is used for indoor power distribution switch equipment of a 3-24kV three-phase alternating-current 50Hz single busbar and busbar sectioning system so as to realize receiving and distribution of electric energy, and control, protect and monitor a circuit. The gas-insulated ring network power distribution unit comprises an operating mechanism chamber, a cable chamber, a base, a pressure release channel and a closed box body, and primary elements are centralized in the closed box body and can be combined in a multi-circuit manner. The gas-insulated ring network power distribution unit has miniaturization, light weight, good safety, high reliability and free maintenance and can adapt to various serious environments.
Description
Technical field
The utility model relates to a kind of looped network power supply unit indoor distribution, is specifically related to a kind of gas-insulated looped network power supply unit.
Background technology
At present, existing looped network power supply unit mostly is air insulation and is single loop formula expansion combination, but there are a lot of shortcomings in such looped network: overall volume is big; Insulation property are subjected to such environmental effects big, can not satisfy the instructions for use under severe environmental conditions such as high height above sea level, humidity, filth; Maintenance period is short, expense is high; The housing base adopts general steel plate curvature to assemble, and intensity is low, corrosion-resistant; Adopt upper and lower opening all to set up the fail safe that earthed switch realizes changing fuse for fuse more; Operating mechanism mostly is manual operation; Can't satisfy the requirement in places such as residential quarters electric substation, box-type substation, urban distribution network switching station.
Summary of the invention
The utility model provides a kind of gas-insulated looped network power supply unit, is used for the indoor distribution switchgear of 3～24kV three-phase alternating current 50Hz single busbar connection and bus section system, realizes the acceptance and the distribution of electric energy, and circuit is controlled, protected and monitors.
Technical solution of the present utility model is:
This gas-insulated looped network power supply unit comprises operating mechanism chamber, cable vault, base, pressure relief channels, fuse insulating cylinder, on-load switch loop, switch-fuse combination loop and circuit breaker loop; The top, cable vault is located in the operating mechanism chamber; Pressure relief channels is located at cable vault's one side; Described operating mechanism chamber, cable vault and pressure relief channels are fixed on the base, and fuse insulating cylinder, on-load switch loop, switch-fuse combination loop and circuit breaker loop are located in the closed box; Closed box is located at the pressure relief channels top, is fixed on the base; Also be provided with three-stations load switch in the closed box; On-load switch loop, switch-fuse combination loop and circuit breaker loop sum are 3 at least, and wherein arbitrary loop number is less than the loop sum and comprise 1 switch-fuse combination loop at least.
The above on-load switch loop can be provided with 1.
The above circuit breaker loop can be provided with 1.
The above switch-fuse combination loop can be provided with 2.
Can be provided with the three-stations load switch operating mechanism in the above operating mechanism chamber 101.
The above closed box bottom is provided with pressure relief device.
The above base can be selected the aluminium alloy base; Described closed box can be selected the stainless steel closed box.
Advantage of the present utility model is:
This looped network power supply unit has adopted low-pressure SF6 gas as dielectric and arc-extinguishing medium, primary element is concentrated in the stainless steel casing of sealing, can the multiloop combination.
This looped network power supply unit adopts the base of novel aluminum alloy section bar assembling, the anterior employing of fuse insulating cylinder outlet up and down only realizes its reliable ground by three-stations load switch, the three-station operating mechanism gets final product manual operation also can be electrically operated, a plurality of loops are combined in the same compartment, busbar by reasonable Arrangement connects the realization electric connection in each loop, also can expand arbitrarily by isolated bus by single loop.
This looped network power supply unit has miniaturization, lightweight, fail safe is good, reliability is high, non-maintaining, can adapt to various adverse circumstances.
This looped network power supply unit has been realized the acceptance and the distribution of electric energy, and circuit is controlled, protected and monitors.Be used for ring network power supply, biradial electric power system, also can be used for terminal power supply, satisfy the requirement in places such as all kinds of residential quarters electric substation, box-type substation, urban distribution network switching station.
Description of drawings
Fig. 1 is an outside drawing of the present utility model;
Fig. 2 is a structural plan of the present utility model;
Accompanying drawing detail: 101-operating mechanism chamber, the 102-cable vault, the 103-base, the 104-pressure relief channels, 105-stainless steel casing, the 201-main bus bar, the 202-operating mechanism, the 203-three-stations load switch, the last branch bus of 204-, outlet on the 205-fuse insulating cylinder front portion, 206-fuse insulating cylinder, 207-on-load switch loop (advancing) outlet insulator, 208-combined electrical apparatus loop outlet insulator, 209-plug-in type cable, the 210-pressure relief device, the rear portion outlet of 211-fuse insulating cylinder.
Embodiment
In conjunction with the accompanying drawings the utility model embodiment is further specified.
The utility model gas-insulated looped network power supply unit is made up of operating mechanism chamber 101, cable vault 102, base 103, pressure relief channels 104, closed box 105, closed box 105 the place aheads are operating mechanism chamber 101 and cable vault 102,102 tops, cable vault are located in operating mechanism chamber 101, closed box 105 bottoms are provided with pressure relief device 210, and closed box 105 belows are provided with pressure relief channels 104.
Two on-load switch loops and a combined electrical apparatus loop are housed in the closed box 105, can combination in any according to user's needs, as the combination in on-load switch loop, switch-fuse combination loop and circuit breaker loop.Each loop is connected to the last three-stations load switch 203 in each loop by main bus bar 201, and three-stations load switch 203 is rotary, and the back is arranged in three phase fronts, adopts the pressure differential arc extinguishing.
Three-stations load switch operating mechanism 202 can drive three-stations load switch and realize primary circuit connection, isolation, grounding function, but manual operation, but also electric operating, and be provided with locking each other.For the combined electrical apparatus loop, it has additional trip gear.Cable vault 102 can dispose installing current transformer 210, lightning arrester as required, and is provided with the earth bus that runs through in it, can make cabinet and cable shield safety ground.
When primary element in the closed box 105 breaks down pressure when surpassing setting, pressure relief device 210 actions, expanding gas discharges by release channel 104 cover plates, guarantees the person and other device security.
The on-load switch loop connects with on-load switch loop (advancing) outlet insulator 208 by branch bus through three-stations load switch 203, finishes power distribution by plug-in type cable 209 at last.
Combined electrical apparatus loop road is attached to outlet 205 and fuse insulating cylinder rear portion outlet 211 on the fuse insulating cylinder front portion through three-stations load switch 203 by last branch bus 204, realize the connection of fuse, connect with combined electrical apparatus loop outlet insulator 208 by branch bus again, finish power distribution by plug-in type cable 209 at last, and can realize fuse front portion and cable side ground connection by operation three-stations load switch 203 ground connection, fuse rear end and high-tension electricity are isolated, and can change fuse safely.
Claims (7)
1. a gas-insulated looped network power supply unit comprises operating mechanism chamber, cable vault, base, pressure relief channels, fuse insulating cylinder, on-load switch loop, switch-fuse combination loop and circuit breaker loop; The top, cable vault is located in described operating mechanism chamber; Described pressure relief channels is located at cable vault's one side; Described operating mechanism chamber, cable vault and pressure relief channels are fixed on the base, it is characterized in that: described fuse insulating cylinder, on-load switch loop, switch-fuse combination loop and circuit breaker loop are located in the closed box; Described closed box is located at the pressure relief channels top, is fixed on the base; Also be provided with three-stations load switch in the described closed box; Described on-load switch loop, switch-fuse combination loop and circuit breaker loop sum are 3 at least, and wherein arbitrary loop number is less than the loop sum and comprise 1 switch-fuse combination loop at least.
2. according to the described a kind of gas-insulated looped network power supply unit of claim 1, it is characterized in that: described on-load switch loop is provided with 1.
3. according to the described a kind of gas-insulated looped network power supply unit of claim 1, it is characterized in that: described circuit breaker loop is provided with 1.
4. according to claim 2 or 3 described a kind of gas-insulated looped network power supply units, it is characterized in that: described switch-fuse combination loop is provided with 2.
5. according to the described a kind of gas-insulated looped network power supply unit of claim 4, it is characterized in that: the indoor three-stations load switch operating mechanism that is provided with of described operating mechanism.
6. according to the described a kind of gas-insulated looped network power supply unit of claim 5, it is characterized in that: described closed box bottom is provided with pressure relief device.
7. according to the described a kind of gas-insulated looped network power supply unit of claim 6, it is characterized in that: described base is the aluminium alloy base; Described closed box is the stainless steel closed box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200325243U CN201536232U (en) | 2009-04-10 | 2009-04-10 | Gas-insulated ring network power distribution unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200325243U CN201536232U (en) | 2009-04-10 | 2009-04-10 | Gas-insulated ring network power distribution unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201536232U true CN201536232U (en) | 2010-07-28 |
Family
ID=42536006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200325243U Expired - Fee Related CN201536232U (en) | 2009-04-10 | 2009-04-10 | Gas-insulated ring network power distribution unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201536232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444026A (en) * | 2011-03-16 | 2013-12-11 | 三菱电机株式会社 | Switchgear |
| CN105071278A (en) * | 2015-07-31 | 2015-11-18 | 益和电气集团股份有限公司 | Two-in and one-out environment-friendly gas-insulated switchboard |
-
2009
- 2009-04-10 CN CN2009200325243U patent/CN201536232U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444026A (en) * | 2011-03-16 | 2013-12-11 | 三菱电机株式会社 | Switchgear |
| US9144161B2 (en) | 2011-03-16 | 2015-09-22 | Mitsubishi Electric Corporation | Switchgear |
| CN103444026B (en) * | 2011-03-16 | 2015-12-02 | 三菱电机株式会社 | Switching device |
| CN105071278A (en) * | 2015-07-31 | 2015-11-18 | 益和电气集团股份有限公司 | Two-in and one-out environment-friendly gas-insulated switchboard |
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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: 20100728 Termination date: 20170410 |