CN201994587U - Novel common-box-type ring network cabinet - Google Patents
Novel common-box-type ring network cabinet Download PDFInfo
- Publication number
- CN201994587U CN201994587U CN2011200323705U CN201120032370U CN201994587U CN 201994587 U CN201994587 U CN 201994587U CN 2011200323705 U CN2011200323705 U CN 2011200323705U CN 201120032370 U CN201120032370 U CN 201120032370U CN 201994587 U CN201994587 U CN 201994587U
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- CN
- China
- Prior art keywords
- cabinet
- current transformer
- type ring
- circuit breaker
- isolating switch
- 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 a novel common-box-type ring network cabinet, which comprises a cabinet body, wherein a main bus-bar, an isolating switch, a circuit breaker, a current transformer, a voltage transformer and a fuse are arranged in the cabinet body; the main bus-bar is linked with the circuit breaker via the isolating switch; a contact knife of the isolating switch is in contact with a vacuum extinction chamber of the circuit breaker; the output end of the vacuum extinction chamber is linked with the input end of the current transformer; and one path of the output end of the current transformer is in grounded linkage with a lightning arrester on the inner wall of the cabinet body, and the other path of the output end of the current transformer is linked with the voltage transformer via the fuse. The novel common-box-type ring network cabinet provided by the utility model has the advantages of simple structure, convenience in maintenance and use, improved reliability of the complete machine, and capability of realizing functions such as remote control, remote metering and remote signaling via a microcomputer integrated protection device.
Description
Technical field
The utility model relates to a kind of power equipment, particularly a kind of novel common box type ring main unit.
Background technology
Ring main unit of the prior art all adopts the SF6 on-load switch, and one of gas of the SF6 gas that comprises in the SF6 on-load switch destruction environment that to be international convention assert should limit or progressively eliminate.The anti-in short-term electric current of existing ring main unit is relatively low in addition, its maintenance, operation relative complex.
Summary of the invention
The purpose of this utility model is exactly the weak point in the background technology, and a kind of novel common box type ring main unit is provided.
For achieving the above object, the utility model adopts following technical scheme: novel common box type ring main unit, comprise cabinet, be provided with main bus bar, isolating switch, circuit breaker, current transformer, voltage transformer and fuse in the cabinet, main bus bar connects with circuit breaker by isolating switch, the contact knife of isolating switch and the vacuum interrupter of circuit breaker touch, the output of vacuum interrupter connects with the input of current transformer, the output one tunnel of current transformer connects ground connection with lightning arrester on the cabinet inwall, and another road connects with voltage transformer by fuse.
For a kind of optimization of the present utility model, also be provided with the control room in the cabinet, the panel of control room is provided with display, and current transformer is connected with display by the transducer that is arranged on the cabinet wall.
For a kind of optimization of the present utility model, cabinet upper end is provided with solar panel, is provided with the storage battery that is powered at instrument and meter in the instrument room and display in the control room, and solar panel connects with storage battery.
The utility model is compared with background technology, has simple in structurely, safeguards and easy to use, has improved the reliability of complete machine use, and can realize the function of remote control, remote measurement and remote signalling by computer integrated protection.
Description of drawings
Fig. 1 is the structural representation of novel common box type ring main unit.
Embodiment
Embodiment 1: with reference to Fig. 1.Novel common box type ring main unit, comprise cabinet 11, be provided with main bus bar 9, isolating switch 8, circuit breaker 2, current transformer 7, voltage transformer 4 and fuse 3 in the cabinet 11, main bus bar 9 connects with circuit breaker 2 by isolating switch 8, the contact knife 8a of isolating switch 8 and the vacuum interrupter 2a of circuit breaker 2 touch, the output of vacuum interrupter 2a connects with the input of current transformer 7, the output one tunnel of current transformer 7 connects ground connection with lightning arrester 6 on cabinet 11 inwalls, and another road connects with voltage transformer 4 by fuse 3.Also be provided with control room 1 in the cabinet 11, the panel of control room 1 is provided with display 1a, and current transformer 7 is connected with display 1a by the transducer 5 that is arranged on the cabinet wall.Cabinet 11 upper ends are provided with solar panel 10, are provided with the storage battery 1b that is powered at instrument room's 1 interior instrument and meter and display 1a in the control room 1, and solar panel 10 connects with storage battery 1b.
What need understand is: though present embodiment is to the utility model detailed explanation of contrasting; but these explanations are just to simple declaration of the present utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection range of the present utility model.
Claims (3)
1. novel common box type ring main unit, comprise cabinet, it is characterized in that: be provided with main bus bar, isolating switch, circuit breaker, current transformer, voltage transformer and fuse in the cabinet, main bus bar connects with circuit breaker by isolating switch, the contact knife of isolating switch and the vacuum interrupter of circuit breaker touch, the output of vacuum interrupter connects with the input of current transformer, the output one tunnel of current transformer connects ground connection with lightning arrester on the cabinet inwall, and another road connects with voltage transformer by fuse.
2. novel common box type ring main unit according to claim 1 is characterized in that: also be provided with the control room in the cabinet, the panel of control room is provided with display, and current transformer is connected with display by the transducer that is arranged on the cabinet wall.
3. novel common box type ring main unit according to claim 1 is characterized in that: cabinet upper end is provided with solar panel, is provided with the storage battery that is powered at instrument and meter in the instrument room and display in the control room, and solar panel connects with storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200323705U CN201994587U (en) | 2011-01-30 | 2011-01-30 | Novel common-box-type ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200323705U CN201994587U (en) | 2011-01-30 | 2011-01-30 | Novel common-box-type ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994587U true CN201994587U (en) | 2011-09-28 |
Family
ID=44671065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200323705U Expired - Fee Related CN201994587U (en) | 2011-01-30 | 2011-01-30 | Novel common-box-type ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932577A (en) * | 2016-07-20 | 2016-09-07 | 苏州市龙源电力科技股份有限公司 | High-voltage switching power cabinet |
-
2011
- 2011-01-30 CN CN2011200323705U patent/CN201994587U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932577A (en) * | 2016-07-20 | 2016-09-07 | 苏州市龙源电力科技股份有限公司 | High-voltage switching power cabinet |
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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: 20110928 Termination date: 20140130 |