CN204189636U - The syndeton of a kind of miniaturized circuit breaker and isolation knife - Google Patents
The syndeton of a kind of miniaturized circuit breaker and isolation knife Download PDFInfo
- Publication number
- CN204189636U CN204189636U CN201420620847.5U CN201420620847U CN204189636U CN 204189636 U CN204189636 U CN 204189636U CN 201420620847 U CN201420620847 U CN 201420620847U CN 204189636 U CN204189636 U CN 204189636U
- Authority
- CN
- China
- Prior art keywords
- isolation knife
- conducting rod
- contact
- moving contact
- circuit breaker
- 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
Links
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to the syndeton of a kind of miniaturized circuit breaker and isolation knife.The utility model is arranged in insulation booth, and insulation booth one end arranges conducting rod, and the other end arranges fixed contact; The moving contact, the vacuum interrupter that are between conducting rod and fixed contact is provided with in insulation booth; Described fixed contact is clamped by isolation knife setting up and down, and two isolation knife ensure contact by compression spring; Described moving contact to be connected with conducting rod by being flexible coupling, and moving contact is provided with the drive unit driving moving contact axial motion.The utility model 1) isolation knife is directly connected with the fixed contact of circuit breaker, and both form integrative-structure, connecting, therefore comparing traditional structure, reducing syndeton, reducing production cost without the need to re-using independent conductor; 2) the utility model realizes the connection of moving contact and conducting rod by being flexible coupling, and it is separated, contact is reliable.
Description
Technical field
The utility model relates to miniaturized SF6 insulation demarcation switch cabinet field, the syndeton of especially a kind of miniaturized circuit breaker and isolation knife.
Background technology
Along with socioeconomic development, in occasions such as densely populated area, large industrial enterprise, skyscrapers, because of the factor such as floor space, spatial limitation, need the distribution switchgear selecting volume compact small and exquisite, existing vacuum switch cabinet great majority adopt air insulation, cabinet molded dimension is all larger, general vacuum circuit-breaker and isolating switch are arranged in the different bins in cabinet independently of one another, connect during combination with conductor again, and its volume is large, cost is high, is not suitable for miniaturized switch cubicle.
Utility model content
The purpose of this utility model is the syndeton providing a kind of miniaturized circuit breaker and isolation knife, to ensure the object realizing miniaturized switch cubicle.
The technical solution adopted in the utility model is for this reason: the utility model is arranged in insulation booth (1), and insulation booth (1) one end arranges conducting rod (4), and the other end arranges fixed contact (5); The moving contact (9), the vacuum interrupter (2) that are between conducting rod (4) and fixed contact (5) is provided with in insulation booth (1);
Described fixed contact (5) is clamped by isolation knife (6) setting up and down, and two isolation knife (6) ensure contact by compression spring (7);
Described moving contact (9) is connected with conducting rod (4) by be flexible coupling (8), and moving contact (9) is provided with the drive unit (3) driving moving contact (9) axial motion.
Described isolation knife (6) comprises isolation knife (61) and lower isolation knife (62), upper isolation knife (61) is connected by securing member (10) with lower isolation knife (62), securing member (10) is sheathed compression spring (7) outward, and compression spring (7) rotates the pressure between the upper isolation knife (61) of adjustment, lower isolation knife (62) by the nut on securing member (10).
Described (8) one end that is flexible coupling is connected on moving contact (9), and the other end is connected to drive unit (3) one end near conducting rod (4), and be flexible coupling (8) are moveable to and are connected with the end of conducting rod (4).
Described circuit breaker and isolation knife (6) are arranged on hermetically sealed and among the casing air pressure SF6 such as being filled with.
The utility model has the advantages that: 1) the utility model isolation knife is directly connected with the fixed contact of circuit breaker, and both form integrative-structure, connecting without the need to re-using independent conductor, therefore comparing traditional structure, reducing syndeton, reducing production cost; 2) the utility model realizes the connection of moving contact and conducting rod by being flexible coupling, and it is separated, contact is reliable; 3) the further circuit breaker of the utility model and isolation knife are arranged on hermetically sealed and are filled with etc. in the casing of air pressure SF6, and insulation booth is isolated each phase arc control device assembly, increases creepage distance, improves the class of insulation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
1 be insulation booth in figure, 2 be vacuum interrupter, 3 be drive unit, 4 be conducting rod, 5 be fixed contact, 6 be isolation knife, 7 for compression spring, 8 for being flexible coupling, 9 be moving contact, 10 for securing member;
61 is that upper isolation knife, 62 is for lower isolation knife.
Embodiment
The utility model is arranged in insulation booth 1, and insulation booth 1 one end arranges conducting rod 4, and the other end arranges fixed contact 5; The moving contact 9, the vacuum interrupter 2 that are between conducting rod 4 and fixed contact 5 is provided with in insulation booth 1;
Described fixed contact 5 is clamped by isolation knife 6 setting up and down, and two isolation knife 6 ensure contact by compression spring 7;
Described moving contact 98 to be connected with conducting rod 4 by being flexible coupling, and moving contact 9 is provided with the drive unit 3 driving moving contact 9 axial motion.
Described isolation knife 6 comprises isolation knife 61 and lower isolation knife 62, upper isolation knife 61 is connected by securing member 10 with lower isolation knife 62, the outer sheathed compression spring 7 of securing member 10, compression spring 7 rotates the pressure between the upper isolation knife 61 of adjustment, lower isolation knife 62 by the nut on securing member 10.
Described 8 one end that are flexible coupling are connected on moving contact 9, and the other end is connected to drive unit 3 one end near conducting rod 4, are flexible coupling 8 to be moveable to and to be connected with the end of conducting rod 4.
Described circuit breaker and isolation knife 6 are arranged on hermetically sealed and among the casing air pressure SF6 such as being filled with.
The utility model insulation booth 1 is built with vacuum interrupter 2, moving contact drive unit 3 is equipped with in moving contact 9 side of described vacuum interrupter 2, the moving contact 9 of described vacuum interrupter 28 to be connected with the conducting rod 4 of insulation by being flexible coupling, described conducting rod 4 is cast in one end of insulation booth 1, the other end of described insulation booth 1 is equipped with fixed contact 5, one end of described fixed contact 5 is connected with vacuum interrupter 2, and the other end stretches out outside insulation booth 1 and is connected with isolation knife 6.Described isolation knife 6 is made up of two panels contact knife sheet, and compression spring 7 is equipped with at the two ends of described contact knife sheet.
Claims (4)
1. a syndeton for miniaturized circuit breaker and isolation knife, is characterized in that, be arranged in insulation booth (1), insulation booth (1) one end arranges conducting rod (4), and the other end arranges fixed contact (5); The moving contact (9), the vacuum interrupter (2) that are between conducting rod (4) and fixed contact (5) is provided with in insulation booth (1);
Described fixed contact (5) is clamped by isolation knife (6) setting up and down, and two isolation knife (6) ensure contact by compression spring (7);
Described moving contact (9) is connected with conducting rod (4) by be flexible coupling (8), and moving contact (9) is provided with the drive unit (3) driving moving contact (9) axial motion.
2. the syndeton of a kind of miniaturized circuit breaker according to claim 1 and isolation knife, it is characterized in that, described isolation knife (6) comprises isolation knife (61) and lower isolation knife (62), upper isolation knife (61) is connected by securing member (10) with lower isolation knife (62), securing member (10) is sheathed compression spring (7) outward, and compression spring (7) rotates the pressure between the upper isolation knife (61) of adjustment, lower isolation knife (62) by the nut on securing member (10).
3. the syndeton of a kind of miniaturized circuit breaker according to claim 1 and isolation knife, it is characterized in that, described (8) one end that is flexible coupling is connected on moving contact (9), the other end is connected to drive unit (3) one end near conducting rod (4), and be flexible coupling (8) are moveable to and are connected with the end of conducting rod (4).
4. the syndeton of a kind of miniaturized circuit breaker according to claim 1 and isolation knife, is characterized in that, described circuit breaker and isolation knife (6) are arranged on hermetically sealed and among the casing air pressure SF6 such as being filled with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620847.5U CN204189636U (en) | 2014-10-26 | 2014-10-26 | The syndeton of a kind of miniaturized circuit breaker and isolation knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620847.5U CN204189636U (en) | 2014-10-26 | 2014-10-26 | The syndeton of a kind of miniaturized circuit breaker and isolation knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189636U true CN204189636U (en) | 2015-03-04 |
Family
ID=52621614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420620847.5U Expired - Fee Related CN204189636U (en) | 2014-10-26 | 2014-10-26 | The syndeton of a kind of miniaturized circuit breaker and isolation knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204189636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680872A (en) * | 2017-10-17 | 2018-02-09 | 珠海许继电气有限公司 | A kind of vacuum circuit breaker with double breaks |
| CN109671586A (en) * | 2017-10-13 | 2019-04-23 | 广东易正电气股份有限公司 | A kind of Novel outdoor breaker |
-
2014
- 2014-10-26 CN CN201420620847.5U patent/CN204189636U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671586A (en) * | 2017-10-13 | 2019-04-23 | 广东易正电气股份有限公司 | A kind of Novel outdoor breaker |
| CN107680872A (en) * | 2017-10-17 | 2018-02-09 | 珠海许继电气有限公司 | A kind of vacuum circuit breaker with double breaks |
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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: 20150304 Termination date: 20171026 |