CN201820701U - Vacuum circuit breaker of permanent magnet mechanism - Google Patents
Vacuum circuit breaker of permanent magnet mechanism Download PDFInfo
- Publication number
- CN201820701U CN201820701U CN2010205135712U CN201020513571U CN201820701U CN 201820701 U CN201820701 U CN 201820701U CN 2010205135712 U CN2010205135712 U CN 2010205135712U CN 201020513571 U CN201020513571 U CN 201020513571U CN 201820701 U CN201820701 U CN 201820701U
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- Prior art keywords
- vacuum circuit
- permanent magnet
- circuit breaker
- drive stay
- permanent
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- 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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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a vacuum circuit breaker of a permanent magnet mechanism, which comprises a three-phase pole (5), a transmission mechanism case (1), a permanent magnet operating mechanism (3) and a driving pull rod (2), wherein the three-phase pole (5) is mounted on the transmission mechanism case (1), and the driving pull rod (2) is provided with a three-phase crank arm (2.1). Besides, an output shaft of the permanent magnet operating mechanism (3) is connected with the driving pull rod (2), and a cam component (4) is arranged at one end of the driving pull rod (2). The vacuum circuit breaker of a permanent magnet mechanism is simple in structure, high in reliability and high in space utilization ratio.
Description
Technical field:
The utility model relates to the electric switch technical field of band arc extinguishing or flash guard, relates in particular to a kind of permanent magnetic actuator vacuum circuit breaker.
Background technology:
Vacuum circuit-breaker is used for cut-offfing in distribution system, and close and close load current, overload current, short circuit current, to urban and rural power grids, industrial and mining enterprises, power transformation stands and protects and control action.The small-sized vacuum circuit-breaker, particularly 12kV outdoor high-voltage vacuum breaker that uses in the power distribution network generally adopts the many of spring energy-storage mechanical operating mechanism at present, and spring energy-storage mechanical operating mechanism breaking capacity is strong, life-span is long, and volume is little, and is in light weight, advantages such as electric arc does not expose, and is safe and reliable.But spring energy-storage mechanical operating mechanism job failure rate is big.For many years traditional operating mechanism is updated, done a large amount of work, though failure rate descends to some extent, but because the transmission principle of mechanical mechanism is not obtained great breakthrough, remain and adopt traditional machinery to thread off and snap close, still adopt hinge hinged between the various machine components, unfailing performance still can not make us pleasing oneself the failure rate height.
Permanent-magnet operating mechanism adopts a kind of brand-new operation principle and mechanism, has the incomparable unique distinction of other technologies, fundamentally customer service the intrinsic drawback of other technologies; Main motion parts has only one during work, need not transmission mechanisms such as loaded down with trivial details connecting rod, motor and drag, locker, the source of trouble is little, has suitable reliability.But generally be in large-scale vacuum circuit-breaker, to adopt permanent magnet mechanism, this permanent magnet mechanism still is to adopt the connecting lever assembly connection drive stay on the permanent magnet mechanism to connect three-phase connecting lever driving arc-suppressing switch again, this structure is still comparatively loaded down with trivial details, reliability is not high, volume is bigger, for example can't be applied on this small-sized outdoor high-voltage vacuum breaker of 12kV.
The utility model content:
The technical problems to be solved in the utility model is, overcomes existing technological deficiency, provides a kind of simple in structure, reliability height, the permanent magnetic actuator vacuum circuit breaker that space availability ratio is high.
Technical solution of the present utility model is, a kind of permanent magnetic actuator vacuum circuit breaker is provided, it comprises that three-phase pole, transmission mechanism casing, described three-phase pole are installed on the transmission mechanism casing, it also comprises permanent-magnet operating mechanism, drive stay, the three-phase connecting lever is set on the described drive stay, the output shaft of described permanent-magnet operating mechanism is connected with drive stay, and an end of described drive stay is provided with cam pack.
After adopting said structure, the utlity model has following advantage:
After adopting above structure, the utility model compared with prior art, the permanent magnet mechanism output shaft directly is connected with the three-phase connecting lever by drive stay, being different from the past, permanent magnet mechanism connects the loaded down with trivial details structure that drive stay connects the three-phase connecting lever again by the connecting lever sub-assembly earlier, have compact conformation, reliable transmission is stable, and the space availability ratio of transmission mechanism casing is higher, can on small-sized outdoor high-voltage vacuum breaker, use like this, particularly the vacuum circuit-breaker of 12kV.
As improvement, described three-phase connecting lever and drive stay are one-body molded.Adopt this integrated structure, reduced the mechanical connection point more, simple in structure, transmission is more reliable and stable.
Description of drawings:
Accompanying drawing is the structural representation of the utility model permanent magnetic actuator vacuum circuit breaker.
As shown in the figure: 1, transmission mechanism casing, 2, drive stay, 2.1, the three-phase connecting lever, 3, permanent-magnet operating mechanism, 4, cam pack, 5, the three-phase pole.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in drawings, a kind of permanent magnetic actuator vacuum circuit breaker of the utility model, it comprises that three-phase pole 5, transmission mechanism casing 1, described three-phase pole 5 are installed on the transmission mechanism casing 1, it also comprises permanent-magnet operating mechanism 3, drive stay 2, on the described drive stay 2 three-phase connecting lever 2.1 is set, the output shaft of described permanent-magnet operating mechanism 3 is connected with drive stay 2, and an end of described drive stay 2 is provided with cam pack 4.
Described three-phase connecting lever 2.1 is one-body molded with drive stay 2.
Operation principle of the present utility model is, during separating brake, operating personnel are by peripheral operation rotating cam 4, make the outstanding curved surface of cam 4 head on an end of drive stay 2, it is moved left in the horizontal slightly, drive stay 2 also moves down slightly by the spring mechanism that is attached thereto, pass through permanent-magnet operating mechanism, permanent-magnet operating mechanism 3 can haul drive stay 2 along it and move down long segment distance, drive stay 2 also just hauls three-phase connecting lever 2.1 and moves down, thereby pulling is arranged in the arc-suppressing switch of three-phase pole, makes its separating brake.During combined floodgate, operating personnel are rotated further cam 4, make the outstanding curved surface of cam 4 stare at an end of drive stay 2, then drive stay 2 just moves to the right in the horizontal slightly, then drive stay 2 also just moves up slightly, and same permanent-magnet operating mechanism 3 also just hauls drive stay 2 along it and moves up than a long segment distance, and three-phase connecting lever 2.1 also moves up, thereby pulling is arranged in the arc-suppressing switch of three-phase pole, makes its combined floodgate.
Claims (2)
1. permanent magnetic actuator vacuum circuit breaker, it comprises that three-phase pole (5), transmission mechanism casing (1), described three-phase pole (5) are installed on the transmission mechanism casing (1), it is characterized in that: it also comprises permanent-magnet operating mechanism (3), drive stay (2), three-phase connecting lever (2.1) is set on the described drive stay (2), the output shaft of described permanent-magnet operating mechanism (3) is connected with drive stay (2), and an end of described drive stay (2) is provided with cam pack (4).
2. permanent magnetic actuator vacuum circuit breaker according to claim 1 is characterized in that: described three-phase connecting lever (2.1) is one-body molded with drive stay (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205135712U CN201820701U (en) | 2010-08-25 | 2010-08-25 | Vacuum circuit breaker of permanent magnet mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205135712U CN201820701U (en) | 2010-08-25 | 2010-08-25 | Vacuum circuit breaker of permanent magnet mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201820701U true CN201820701U (en) | 2011-05-04 |
Family
ID=43918647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010205135712U Expired - Fee Related CN201820701U (en) | 2010-08-25 | 2010-08-25 | Vacuum circuit breaker of permanent magnet mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201820701U (en) |
-
2010
- 2010-08-25 CN CN2010205135712U patent/CN201820701U/en not_active Expired - Fee Related
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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: 20110504 Termination date: 20130825 |