CN202333588U - Armored AC metal-enclosed switchgear - Google Patents
Armored AC metal-enclosed switchgear Download PDFInfo
- Publication number
- CN202333588U CN202333588U CN2011204113227U CN201120411322U CN202333588U CN 202333588 U CN202333588 U CN 202333588U CN 2011204113227 U CN2011204113227 U CN 2011204113227U CN 201120411322 U CN201120411322 U CN 201120411322U CN 202333588 U CN202333588 U CN 202333588U
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- Prior art keywords
- bus
- armored
- chamber
- switch gear
- closing switch
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Abstract
The utility model relates to a high-voltage power distribution device, in particular to armored AC metal-enclosed switchgear. The switchgear comprises a bus-bar chamber, a cable chamber, a relay instrument chamber, a circuit breaker handcart chamber which are arranged in a cabinet body, wherein the cable chamber and the circuit breaker handcart chamber, which are communicated, are arranged at the lower part of the cabinet body; the bus-bar chamber is arranged at the back-upper part of the switchgear; and the relay instrument chamber is arranged above the bus-bar chamber. The switchgear has the advantages of reasonable design, strong practicability, safety and reliability and small size, and is suitable for AC high-voltage 10kV ring network power supply, for distribution substations of terminal users and switching stations, for distribution rooms or combined transformer stations of users in industrial and mining enterprises and high-rise buildings.
Description
Technical field
The utility model relates to a kind of high voltage distribution installation, relates in particular to a kind of armored ac metal closing switch gear.
Background technology
At the nineties initial stage in last century, the switchgear of China's urban distribution network mostly adopts fixed switch cubicle identical with major network or handcart cabinet, and their common feature is that floor space is big, costs an arm and a leg.Continuous development along with urban construction; Adopt high-tension cable to replace overhead wire in the urban distribution network more and more; The ring main unit that a kind of six novel nitrogenize sulphur on-load switches are formed has replaced above-mentioned breaker cabinet; Therefore its floor space and price all are 50% of breaker cabinet, have reduced the area and the cost of power distribution room, are used widely and promote.
Along with the increase of the capacity of urban power distribution network, when user's transformer capacity surpassed 1250kVA, the technical parameter of on-load switch can not drip the protection requirement of this transformer of foot.Needing a kind of novel breaker cabinet of exploitation. its overall dimension is similar with the sulfur hexafluoride ring network cabinet, and protective value can satisfy the requirement of big capacity distribution transformer, and can form the module of combination in any with loading switch cabinet.
Existing fixed formula switch cubicle and handcart cabinet are complicated, and volume is big, and floor space is big. expensive, and the three-phase arc control device transverse arrangement of turbo of circuit breaker, can not with work in combination such as SF6 loading switch cabinet module, combined electrical apparatus cabinet module, metering cabinet module.
The utility model content
The purpose of the utility model is to overcome the technological deficiency of prior art, provides a kind of simple and reasonable for structure, function optimization, and volume is little, and is in light weight, reaches the novel armored ac metal closing switch gear of full modularization effect.
The purpose of the utility model is achieved through following technical proposals:
A kind of armored ac metal closing switch gear; Comprise bus-bar room, cable vault and relay control room, the circuit breaker cart chamber be located in the cabinet; Said cable vault and circuit breaker cart chamber connect is located at the cabinet bottom; Said bus-bar room is located at the upper back of armored ac metal closing switch gear, and said relay control room is located at the bus-bar room top.
Further, be provided with metal partion (metp) between said bus-bar room and breaker chamber, the cable vault, comprise the loading and unloading type dividing plate that is fixed on the cabinet and shutter-type dividing plate movably.
Further, said bus-bar room is provided with the static contact head device summation current transformer.
Further, said cable vault is provided with cable, lightning arrester, earthed switch and the earth bus that is connected with current transformer.
Further, said cable vault long cable section of ingoing line end is provided with charged demonstration insulator, and operating mechanism is provided with charged display unit.
As preferably, the main bus bar of said bus-bar room adopts heat-shrinkable T bush to form insulation system.
As preferably, said armored ac metal closing switch gear degree of protection is IP3X.
The utlity model has following beneficial effect:
The utility model is brought up to 1250A with rated current from 630A, and rated short circuit drop-out current is brought up to 31.5kA from 25kA, and is to satisfy user's requirement, reasonable in design, practical; Behind main bus bar, division board, the circuit breaker three-phase, in, preceding layout, form breaker cabinet chess piece. can with combination in any such as loading switch cabinet module, combined electrical apparatus cabinet module, metering cabinet module, reach full modularization, dwindled the floor space of switch cubicle; The design of arc-extinguishing chamber of circuit breaker all insulation, safe and reliable, volume is little.
The utility model is applicable to ac high-voltage 10kV ring network power supply, terminal use's distribution substation, switching station, in users' such as industrial and mining enterprises, skyscraper the power distribution room or prefabricated substation.
Description of drawings
Fig. 1 is a prior art internal structure sketch map;
Fig. 2 is the structural representation of the utility model embodiment.
Wherein A-bus-bar room, B-circuit breaker cart chamber, C-cable vault, D-relay control room, 1-cabinet, 2-branch bar rope, 3-bus casing, 4-main bus bar, 5-static contact head device, 6-contact box, 7-current transformer, 8-earthed switch, 9-cable, 10-lightning arrester, 11-earth bus, 12-loading and unloading type dividing plate, 13-valve dividing plate, 14-M plug, 15-circuit breaker cart, 16-heater, 17-isolating switch, 18-operating mechanism, 19-base plate.
Embodiment
Below in conjunction with accompanying drawing and embodiment the structure of the utility model is further specified.
As shown in Figure 2; Armored ac metal closing switch gear embodiment comprises: be located at bus-bar room A, circuit breaker cart chamber B, the C of cable vault and the D of relay control room in the cabinet 1; Said C of cable vault and circuit breaker cart chamber B connect and are located at the cabinet bottom; Said bus-bar room A is located at the upper back of armored ac metal closing switch gear, and the said relay D of control room is located at bus-bar room A top, is convenient to the operator and monitors.
An annexation of armored ac metal closing switch gear is: C gets into high-tension switch cabinet to cable 9 from the cable vault, is connected to branch bus rope 2.Said branch bus rope 2 is connected to earthed switch 8 and current transformer 7, is connected to circuit breaker cart chamber B by electric current mutual inductance 7 then, and circuit breaker cart 15 is connected to isolating switch 17, is connected to main bus bar 4 by isolating switch 17 again, and last main bus bar 4 stretches to both sides.
Be provided with metal partion (metp) between said bus-bar room A and circuit breaker cart chamber B, the C of cable vault, comprise the loading and unloading type dividing plate 12 that is fixed on the cabinet and shutter-type dividing plate 13 movably.
Said bus-bar room A is provided with static contact head device 5 summation current transformers 7.
Said circuit breaker cart chamber B is provided with circuit breaker cart 15, and the operating mechanism 18 of circuit breaker cart 15 is positioned at the outside of switch cubicle door, when circuit breaker cart 15 charged work, can not cut off the power supply and pull down mechanism's panel, checks or safeguards.Can see the branch of isolating switch 17 and earthed switch 8, the state of combined floodgate through the observation window on the housing 1.
The said C of cable vault is provided with cable 9, lightning arrester 10, earthed switch 8 and the earth bus 11 that is connected with current transformer 7.
The main bus bar 4 of said bus-bar room A adopts heat-shrinkable T bush to form insulation system, prevents that the fault of bus-bar room A from expanding other switch cubicles to.
Said armored ac metal closing switch gear degree of protection is IP3X.
The utility model other technologies can adopt prior art.
The utility model is brought up to 1250A with rated current from 630A, and rated short circuit drop-out current is brought up to 31.5kA from 25kA, and is to satisfy user's requirement, reasonable in design, practical; Behind main bus bar, division board, the circuit breaker three-phase, in, preceding layout, form breaker cabinet chess piece. can with combination in any such as loading switch cabinet module, combined electrical apparatus cabinet module, metering cabinet module, reach full modularization, dwindled the floor space of switch cubicle; The design of arc-extinguishing chamber of circuit breaker all insulation, safe and reliable, volume is little.
The utility model is applicable to ac high-voltage 10kV ring network power supply, terminal use's distribution substation, switching station, in users' such as industrial and mining enterprises, skyscraper the power distribution room or prefabricated substation.
Claims (6)
1. armored ac metal closing switch gear; Comprise bus-bar room, cable vault and relay control room, the circuit breaker cart chamber be located in the cabinet; It is characterized in that: said cable vault and circuit breaker cart chamber connect is located at the cabinet bottom; Said bus-bar room is located at the upper back of armored ac metal closing switch gear, and said relay control room is located at the bus-bar room top.
2. armored ac metal closing switch gear according to claim 1 is characterized in that: be provided with metal partion (metp) between said bus-bar room and breaker chamber, the cable vault, comprise the loading and unloading type dividing plate that is fixed on the cabinet and shutter-type dividing plate movably.
3. armored ac metal closing switch gear according to claim 1 is characterized in that: said bus-bar room is provided with the static contact head device summation current transformer.
4. armored ac metal closing switch gear according to claim 1 is characterized in that: said cable vault is provided with cable, lightning arrester, earthed switch and the earth bus that is connected with current transformer.
5. armored ac metal closing switch gear according to claim 1 is characterized in that: the main bus bar of said bus-bar room adopts heat-shrinkable T bush to form insulation system.
6. armored ac metal closing switch gear according to claim 1 is characterized in that: said armored ac metal closing switch gear degree of protection is IP3X.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204113227U CN202333588U (en) | 2011-10-24 | 2011-10-24 | Armored AC metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204113227U CN202333588U (en) | 2011-10-24 | 2011-10-24 | Armored AC metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202333588U true CN202333588U (en) | 2012-07-11 |
Family
ID=46445555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204113227U Expired - Fee Related CN202333588U (en) | 2011-10-24 | 2011-10-24 | Armored AC metal-enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202333588U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904167A (en) * | 2012-09-29 | 2013-01-30 | 辽宁省电力有限公司检修分公司 | Middle-arranged-type high-voltage switch cabinet |
| CN105071246A (en) * | 2015-07-31 | 2015-11-18 | 太仓宏光自控电器设备有限公司 | AC low-voltage power distribution cabinet |
| CN105098638A (en) * | 2015-07-28 | 2015-11-25 | 江苏南瑞泰事达电气有限公司 | 12kV switch cabinet |
| CN105207067A (en) * | 2015-09-22 | 2015-12-30 | 太仓宏光自控电器设备有限公司 | Improved alternating-current low-voltage power distributing cabinet structure |
-
2011
- 2011-10-24 CN CN2011204113227U patent/CN202333588U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904167A (en) * | 2012-09-29 | 2013-01-30 | 辽宁省电力有限公司检修分公司 | Middle-arranged-type high-voltage switch cabinet |
| CN105098638A (en) * | 2015-07-28 | 2015-11-25 | 江苏南瑞泰事达电气有限公司 | 12kV switch cabinet |
| CN105071246A (en) * | 2015-07-31 | 2015-11-18 | 太仓宏光自控电器设备有限公司 | AC low-voltage power distribution cabinet |
| CN105207067A (en) * | 2015-09-22 | 2015-12-30 | 太仓宏光自控电器设备有限公司 | Improved alternating-current low-voltage power distributing cabinet structure |
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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: 20120711 Termination date: 20121024 |