CN204130983U - Metal-enclosed type sulfur hexafluoride ring network switchgear - Google Patents
Metal-enclosed type sulfur hexafluoride ring network switchgear Download PDFInfo
- Publication number
- CN204130983U CN204130983U CN201420614508.6U CN201420614508U CN204130983U CN 204130983 U CN204130983 U CN 204130983U CN 201420614508 U CN201420614508 U CN 201420614508U CN 204130983 U CN204130983 U CN 204130983U
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- China
- Prior art keywords
- cabinet
- bus
- tank wall
- cabinet door
- plenum chamber
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- Expired - Fee Related
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a kind of metal-enclosed type sulfur hexafluoride ring network switchgear, comprise by the closed cabinet of intermetallic composite coating, cabinet comprises bus-bar room, plenum chamber and cable vault, bus and isolating switch is provided with in bus-bar room, gas tank is provided with in plenum chamber, be filled with sulfur hexafluoride gas in gas tank and be provided with circuit breaker, current transformer, voltage transformer and fuse, bus is connected with circuit breaker by isolating switch, the input of current transformer is connected with circuit breaker, output is connected with voltage transformer by fuse, cable joint is provided with in cable vault, cable joint is connected with the output of current transformer.The utility model closure is good, stablizes firmly, simple and reasonable, and energy simplified apparatus, improves equipment performance, also have comprehensive detection function simultaneously, can detect the comprehensive state in cabinet in real time, ensures that gas-filling cabinet is continuous, efficient, safely, reliably runs.
Description
Technical field
The utility model relates to electric switch field, particularly relates to a kind of metal-enclosed type sulfur hexafluoride ring network switchgear.
Background technology
Loop-network switch cabinet is that one group of high voltage switchgear is contained in steel sheet metal cabinet or makes the electric equipment of assembled compartment ring network power supplying units.Its core adopts on-load switch and fuse, has that structure is simple, volume is little, price is low, can improve power supply parameter and the advantage such as performance and power supply safety.In the power distribution station that it is widely used in the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box-type substation.
Although loop-network switch cabinet technical development is comparatively ripe so far, but still have a lot of local existing defects, cause built on the sand as unreasonable structure or dangerous, structure more complicatedly causes that production cost is higher, sealing property is poor, not enough etc. to the comprehensive state measuring ability of gas-filling cabinet inside.
Utility model content
The purpose of this utility model is to provide a kind of metal-enclosed type sulfur hexafluoride ring network switchgear, to solve the defect that prior art exists.
In order to realize above-mentioned object, adopt following technical scheme.A kind of metal-enclosed type sulfur hexafluoride ring network switchgear, comprise by the closed cabinet of intermetallic composite coating, described cabinet comprises the bus-bar room on top, the plenum chamber at middle part and the cable vault of bottom, bus-bar room and plenum chamber are separated by the first dividing plate, plenum chamber and cable vault are separated by second partition, bus and isolating switch is provided with in described bus-bar room, described isolating switch is tri-station isolating switch, gas tank is provided with in described plenum chamber, be filled with sulfur hexafluoride gas in gas tank and be provided with circuit breaker, current transformer, voltage transformer and fuse, described bus is connected with circuit breaker by isolating switch, the input of described current transformer is connected with circuit breaker, output is connected with voltage transformer by fuse, cable joint is provided with in described cable vault, described cable joint is connected with the output of current transformer, described gas tank is by front tank wall, rear box wall, left tank wall, right tank wall, upper tank wall and lower tank wall composition, wherein rear box wall, left tank wall, right tank wall, upper tank wall and lower tank wall are bent by one block of whole plate and form.Adopt metal sealed cabinet, can ensure that looped network switch apparatus runs with security and stability.Upper tank wall and the lower tank wall of the first dividing plate, second partition and gas tank are provided with through hole, joint or connector, facilitate the connection of element between adjacent cells.Isolating switch adopts tri-station isolating switch, can only there is wherein a kind of state of " connection ", " isolation " and " ground connection ", can avoid misoperation.Being arranged on by the elements such as circuit breaker, current transformer, voltage transformer and fuse is filled with in the gas tank of sulphur hexafluoride, is undertaken insulating and arc extinguishing by sulphur hexafluoride.The rear box wall of interior gas tank, left tank wall, right tank wall, upper tank wall and lower tank wall are bent by one block of whole plate and form, and can reduce overall weld length, make structure more firmly stable, better tightness.
In such scheme, also comprise PLC, comprehensive detection device is provided with in described cabinet, described comprehensive detection device is connected with PLC, and described comprehensive detection device comprises sulfur hexafluoride gas concentration sensor, current transformer, voltage transformer, temperature sensor, humidity sensor.The detector of multiple difference in functionality, be separately positioned on corresponding position, the comprehensive state in cabinet is detected in real time, when detecting that a certain real-time status numerical value exceeds setting range, then pointed out by PLC, so that staff processes in time.
In such scheme, also comprise the Over-The-Counter door hinged with cabinet, middle cabinet door and lower cabinet door, described Over-The-Counter door, middle cabinet door and lower cabinet door be corresponding bus-bar room, plenum chamber and cable vault respectively.Work as device fails, maintenance personal only need open cabinet door corresponding to unit that fault occurs and can keep in repair, and both facilitates maintenance, and again reduces danger.
In such scheme, described Over-The-Counter door, middle cabinet door and lower cabinet door all offer inspection hole and are provided with sight glass.Being that maintenance personal first can check the situation of equipment by inspection hole when breaking down, finding the position of breaking down and opening corresponding cabinet door again, also checking the ruuning situation of equipment at ordinary times by inspection hole.
In such scheme, described Over-The-Counter door, middle cabinet door, between lower cabinet door and cabinet, be provided with sealing strip, between described inspection hole and sight glass, be provided with sealing strip.Sealing strip can improve the sealing of inspection hole, prevents external environment from having an impact in cabinet.
Compared with prior art, the utility model closure is good, firmly stable, simple and reasonable, energy simplified apparatus, improves equipment performance, also there is comprehensive detection function simultaneously, the comprehensive state in cabinet can be detected in real time, ensure that gas-filling cabinet is continuous, efficient, safely, reliably run.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the expanded view of gas tank.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
Structure of the present utility model as shown in Figure 1, comprises by the closed cabinet 1 of intermetallic composite coating, adopts metal sealed cabinet, can ensure that looped network switch apparatus runs with security and stability.Cabinet 1 comprises the cable vault 4 of the bus-bar room 2 on top, the plenum chamber 3 at middle part and bottom, bus-bar room 2 and plenum chamber 3 are separated by the first dividing plate 23, plenum chamber 3 and cable vault 4 are separated by second partition 36, upper tank wall 314 and the lower tank wall 315 of the first dividing plate 23, second partition 36 and gas tank 31 are provided with through hole, joint or connector, facilitate the connection of element between adjacent cells.Be provided with bus 21 and isolating switch 22 in bus-bar room 2, isolating switch 22 is tri-station isolating switch, can only there is wherein a kind of state of " connection ", " isolation " and " ground connection ", can avoid misoperation.Be provided with gas tank 31 in plenum chamber 3, be filled with sulfur hexafluoride gas in gas tank 31 and be provided with circuit breaker 32, current transformer 33, voltage transformer 35 and fuse 34, being undertaken insulating and arc extinguishing by sulphur hexafluoride.Bus 21 is connected with circuit breaker 32 by isolating switch 22, and the input of current transformer 33 is connected with circuit breaker 32, and output is connected with voltage transformer 35 by fuse 34.Be provided with cable joint 41 in cable vault 4, cable joint 41 is connected with the output of current transformer 33.Gas tank 31 is made up of front tank wall, rear box wall 311, left tank wall 312, right tank wall 313, upper tank wall 314 and lower tank wall 315, as shown in Figure 2, wherein rear box wall 311, left tank wall 312, right tank wall 313, upper tank wall 314 and lower tank wall 315 are bent by one block of whole plate and form, overall weld length can be reduced, make structure more firmly stable, better tightness.
Comprehensive detection device is provided with in cabinet 1, comprise sulfur hexafluoride gas concentration sensor, current transformer 33, voltage transformer 35, temperature sensor, humidity sensor etc., the detector of multiple difference in functionality, be separately positioned on corresponding position, the comprehensive state in cabinet is detected in real time.
The utility model also comprises the Over-The-Counter door 51 hinged with cabinet 1, middle cabinet door 52 and lower cabinet door 53, and Over-The-Counter door 51, middle cabinet door 52 and lower cabinet door 53 be corresponding bus-bar room 2, plenum chamber 3 and cable vault 4 respectively.Work as device fails, maintenance personal only need open cabinet door corresponding to unit that fault occurs and can keep in repair, and both facilitates maintenance, and again reduces danger.Over-The-Counter door 51, middle cabinet door 52 and lower cabinet door 53 all offer inspection hole 54 and are provided with sight glass 55.Being that maintenance personal first can check the situation of equipment by inspection hole 54 when breaking down, finding the position of breaking down and opening corresponding cabinet door again, also checking the ruuning situation of equipment at ordinary times by inspection hole 54.Over-The-Counter door 51, middle cabinet door 52, between lower cabinet door 53 and cabinet 1, be provided with sealing strip, between inspection hole 54 and sight glass 55, be provided with sealing strip.Sealing strip can improve the sealing of inspection hole, prevents external environment from having an impact in cabinet.
The above is only preferred embodiment of the present utility model.Should be understood that for member of ordinary skill in the art, under technology enlightenment provided by the utility model, other equivalent modifications or improvement can also be made, also should be considered as protection range of the present utility model.
Claims (5)
1. a metal-enclosed type sulfur hexafluoride ring network switchgear, it is characterized in that, comprise by the closed cabinet of intermetallic composite coating, described cabinet comprises the bus-bar room on top, the plenum chamber at middle part and the cable vault of bottom, bus-bar room and plenum chamber are separated by the first dividing plate, plenum chamber and cable vault are separated by second partition, bus and isolating switch is provided with in described bus-bar room, described isolating switch is tri-station isolating switch, gas tank is provided with in described plenum chamber, be filled with sulfur hexafluoride gas in gas tank and be provided with circuit breaker, current transformer, voltage transformer and fuse, described bus is connected with circuit breaker by isolating switch, the input of described current transformer is connected with circuit breaker, output is connected with voltage transformer by fuse, cable joint is provided with in described cable vault, described cable joint is connected with the output of current transformer, described gas tank is by front tank wall, rear box wall, left tank wall, right tank wall, upper tank wall and lower tank wall composition, wherein rear box wall, left tank wall, right tank wall, upper tank wall and lower tank wall are bent by one block of whole plate and form.
2. looped network switch apparatus according to claim 1, it is characterized in that, also comprise PLC, comprehensive detection device is provided with in described cabinet, described comprehensive detection device is connected with PLC, and described comprehensive detection device comprises sulfur hexafluoride gas concentration sensor, current transformer, voltage transformer, temperature sensor, humidity sensor.
3. looped network switch apparatus according to claim 1, is characterized in that, also comprises the Over-The-Counter door hinged with cabinet, middle cabinet door and lower cabinet door, and described Over-The-Counter door, middle cabinet door and lower cabinet door be corresponding bus-bar room, plenum chamber and cable vault respectively.
4. looped network switch apparatus according to claim 3, is characterized in that, described Over-The-Counter door, middle cabinet door and lower cabinet door all offer inspection hole and be provided with sight glass.
5. looped network switch apparatus according to claim 4, is characterized in that, described Over-The-Counter door, middle cabinet door, is provided with sealing strip between lower cabinet door and cabinet, is provided with sealing strip between described inspection hole and sight glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614508.6U CN204130983U (en) | 2014-10-23 | 2014-10-23 | Metal-enclosed type sulfur hexafluoride ring network switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614508.6U CN204130983U (en) | 2014-10-23 | 2014-10-23 | Metal-enclosed type sulfur hexafluoride ring network switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204130983U true CN204130983U (en) | 2015-01-28 |
Family
ID=52387304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420614508.6U Expired - Fee Related CN204130983U (en) | 2014-10-23 | 2014-10-23 | Metal-enclosed type sulfur hexafluoride ring network switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204130983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785985A (en) * | 2017-01-21 | 2017-05-31 | 长葛市和合电气有限公司 | The explosion-proof power distribution cabinet of safe class prompting |
-
2014
- 2014-10-23 CN CN201420614508.6U patent/CN204130983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785985A (en) * | 2017-01-21 | 2017-05-31 | 长葛市和合电气有限公司 | The explosion-proof power distribution cabinet of safe class prompting |
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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: 20150128 Termination date: 20211023 |