CN2826677Y - Circuit breaker release actuating unit - Google Patents
Circuit breaker release actuating unit Download PDFInfo
- Publication number
- CN2826677Y CN2826677Y CN 200520097697 CN200520097697U CN2826677Y CN 2826677 Y CN2826677 Y CN 2826677Y CN 200520097697 CN200520097697 CN 200520097697 CN 200520097697 U CN200520097697 U CN 200520097697U CN 2826677 Y CN2826677 Y CN 2826677Y
- Authority
- CN
- China
- Prior art keywords
- fixed support
- fixed
- circuit breaker
- spring
- bearing pin
- 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 - Lifetime
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Abstract
The utility model relates to a tripping actuating device for a circuit breaker, which is composed of a fixed support, a driving board and a spring, wherein the driving board is movably fixed on the fixed support, and one end of the spring is fixed on the outer wall of the fixed support; the other end of the spring is fixed on one end of the driving board, which is arranged in the fixed support, and the other end head of the driving board is provided with a driving block; the driving block is in contact with the tripping half shaft of the circuit breaker. The utility model is characterized in that the head part of one end of the driving board, which is arranged in the fixed support, is provided with a controlling board of which the front end is provided with a hook; the hook of the controlling board is hooked onto a pin axle which is fixed on the fixed support, and one end of the pin axle is sheathed with a torsional spring; the pin axle is provided with a gap. Due to the adoption that the output shaft of a low power permanent magnetic coil controls the movement of the driving board, the utility model can magnify the energy of a closing coil so as to achieve the purpose of reliable closing operation.
Description
Technical field
The utility model belongs to tripping actuating device in a kind of panel switches cabinet, particularly a kind of circuit breaker tripping actuating device.
Background technology
In present most of distribution network systems; the power supply of employed power distribution cabinet second protection is to take from bus by voltage transformer, in case the bus pressure drop is big or voltage transformer breaks down, second protection can't action message; circuit breaker can't trip, and does not have protective effect.If adopt reliable DC power supply, cost of equipment is higher, and maintenance is bigger.
Summary of the invention
The purpose of this utility model provides a kind of employing passive protection, even when busbar short-circuit, under the very big situation of pressure drop, the circuit breaker tripping actuating device that circuit breaker can reliably trip is to overcome above-mentioned deficiency.
To achieve these goals, the utility model is by fixed support, drive plate and spring constitute, wherein the drive plate activity is fixed on the fixed support, one end of spring is fixed on the fixed support outer wall, the other end of spring is fixed on the end of drive plate in fixed support, there is a drive block another termination of drive plate, drive block contacts with the dropout semiaxis of circuit breaker, be characterized in: the control board that a front end buckle is arranged at the head of the end of drive plate in fixed support, the hook of control board is hooked on the bearing pin, bearing pin is fixed on the fixed support, and an end of bearing pin is with a torsion spring, and bearing pin is provided with a breach;
Also be fixed with a permanent magnetism coil in the said fixing support, the bearing pin in the fixed support is provided with a push rod, and the output shaft of permanent magnetism coil contacts with push rod on the bearing pin, and the coil of relay is connected with the signal of the output of second protection.
Because the utility model has adopted the mode of no external power supply, avoided because the interference that the power supply instability is brought to the protection operate as normal.The utility model can amplify the energy of switching winding owing to adopt low power permanent magnetism coil output shaft controlling and driving plate to move, thereby reaches the purpose of reliable separating brake.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The rearview of Fig. 2 Fig. 1.
The right view of Fig. 3 Fig. 1.
Fig. 4 is user mode figure of the present utility model.
Among the figure: 1-fixed support, 2-drive plate, 21-control board, 22-drive block, 3-spring, 4-bearing pin, 41-push rod, 42-breach, 5-permanent magnetism coil, 51-permanent magnetism coil output shaft, 6-torsion spring, 7-circuit breaker, 71-dropout semiaxis.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
The utility model is in the state that spacing point has still been crossed in energy storage when circuit breaker 7 is in gate-dividing state, energy storage of the present utility model is to finish by the divide-shut brake dropout semiaxis 71 of circuit breaker 7.When circuit breaker 7 closes a floodgate, the divide-shut brake dropout semiaxis 71 of circuit breaker travels forward, contact drive block 22 of the present utility model, drive plate 2 of the present utility model is travelled forward simultaneously, head control board 21 until drive plate 2 is hooked on the bearing pin 4, and this moment, the utility model reached the state of energy storage, preparation separating brake.When second protection provides the semaphore request separating brake; relay 5 coil motion; the output shaft 51 of relay 5 is released; promote the push rod 41 on the bearing pin 4, make bearing pin 4 rotations, when bearing pin 4 rotates to its breach 42 when touching the hook of head control board 21 of drive plate 2; control board 21 breaks away from bearing pin 4; this moment, drive plate 2 was extrapolated owing to the effect of spring 3, and the divide-shut brake dropout semiaxis 71 that makes drive block 22 promote circuit breakers 7 makes breaker open operation.In circuit breaker 7 separating brake processes, the divide-shut brake dropout semiaxis 71 of circuit breaker 7 drives drive plate 2 motion backward simultaneously, makes drive plate 2 of the present utility model be in the energy storage state, waits for sub-gate signal next time.
The content that is not described in detail in this specification belongs to this area professional and technical personnel's known prior art.
Claims (2)
1, a kind of circuit breaker tripping actuating device, by fixed support (1), drive plate (2) and spring (3) constitute, wherein drive plate (2) activity is fixed on the fixed support (1), one end of spring (3) is fixed on fixed support (1) outer wall, the other end of spring (3) is fixed on the end of drive plate (2) in fixed support (1), there is a drive block (22) another termination of drive plate (2), drive block (2) contacts with the dropout semiaxis (71) of circuit breaker (7), it is characterized in that: the control board (21) that a front end buckle is arranged at the head of the end of drive plate (2) in fixed support (1), the hook of control board (21) is hooked on the bearing pin (4), bearing pin (4) is fixed on the fixed support (1), one end of bearing pin (4) is with a torsion spring (6), and bearing pin (4) is provided with a breach (42).
2, circuit breaker tripping actuating device as claimed in claim 1; it is characterized in that: also be fixed with a permanent magnetism coil (5) in the fixed support (1); bearing pin in the fixed support (1) is provided with a push rod (41); the output shaft of permanent magnetism coil (51) contacts with push rod (41) on the bearing pin (4), and the coil of relay (5) is connected with the signal of the output of second protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097697 CN2826677Y (en) | 2005-08-16 | 2005-08-16 | Circuit breaker release actuating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097697 CN2826677Y (en) | 2005-08-16 | 2005-08-16 | Circuit breaker release actuating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2826677Y true CN2826677Y (en) | 2006-10-11 |
Family
ID=37066861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520097697 Expired - Lifetime CN2826677Y (en) | 2005-08-16 | 2005-08-16 | Circuit breaker release actuating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2826677Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437872C (en) * | 2006-04-26 | 2008-11-26 | 武汉华源电气设备有限责任公司 | Circuit breaker tripping actuating device |
-
2005
- 2005-08-16 CN CN 200520097697 patent/CN2826677Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437872C (en) * | 2006-04-26 | 2008-11-26 | 武汉华源电气设备有限责任公司 | Circuit breaker tripping actuating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20081126 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |