CN205508704U - Permanent magnet vacuum breaker on outdoor post - Google Patents

Abstract

The utility model discloses a permanent magnet vacuum breaker on outdoor post, including circuit breaker body (10), circuit breaker body (10) are including explosion chamber (2), machine case (13) and operating device (12), machine case (13) top is connected with insulating cylinder (3), operating device (12) are including a deciliter instruction (15), brake handle (14) and permanent magnetic mechanism, brake handle (14) link to each other with mechanism's output shaft (11) through the eccentric wheel, permanent magnetic mechanism includes permanent magnet, the coil, iron core and intelligent permanent magnetism controller, permanent magnetic mechanism is connected with mechanism output shaft (11) electromagnetism, explosion chamber (2) in insulating cylinder (3) loop through electrically conductive press from both sides (6), flexible coupling (7), insulation connecting rod (8) and separating brake pressure spring (9) link to each other with mechanism's output shaft (11). The beneficial effect of the utility model: it is reliable to cut -off the stable performance, safe, non -maintaining, small, light in weight, long service life.

Description

A kind of permanent magnet vacuum breaker on outdoor post

Technical field

This utility model relates to a kind of chopper in technical field of power systems, particularly to a kind of permanent magnet vacuum breaker on outdoor post.

Background technology

Standard type chopper be in power system as disjunction, close the indispensable electrical equipment that load current, overcurrent and short circuit current are used.But the operating mechanism of existing Standard type chopper uses mechanical trip and locker, and action component is many, and intermediate conversion and bindiny mechanism are the most, causing trouble source is many, the dispersibility of movement time big and the uncontrollability of operating mechanism, and the reliability of control is the highest.

Utility model content

For defect and reality need present in existing Standard type chopper, this utility model provides a kind of permanent magnet vacuum breaker on outdoor post.

To achieve these goals, the measure that this utility model is taked:

A kind of permanent magnet vacuum breaker on outdoor post, including the breaker body being connected with upper outlet and lower outlet, breaker body includes arc-chutes, cabinet and the operating mechanism being located in cabinet, cabinet is connected above insulating cylinder, operating mechanism includes a deciliter instruction, separating brake handle and permanent magnet mechanism, separating brake handle is connected with mechanism output shaft by eccentric, permanent magnet mechanism includes permanent magnet, coil, iron core and Intelligent permanent magnet controller, by electromagnetism actuating, permanent magnetism keeps, the permanent magnet mechanism that Intelligent permanent magnet controller controls is connected with mechanism output shaft electromagnetism, arc-chutes in insulating cylinder pass sequentially through conductive clamp, it is flexible coupling, insulated connecting rod and separating brake stage clip are connected with mechanism output shaft；

Described permanent magnet mechanism is Monostable permanent magnetic mechanism or bistable-state permanent magnet mechanism；Disconnecting switch it is provided with on breaker body, disconnecting switch includes support, operation handle and isolation blade, it is fixed on the support on cabinet and is provided with insulator, insulated tension pole summation current transformer, the insulator top being connected with lower outlet is fixing with one end of isolation blade to be connected, and top is connected to the end isolating the insulated tension pole in the middle part of blade and is connected with operation handle by disconnecting switch main shaft；

Described Monostable permanent magnetic mechanism includes connecting rod, tripping spring, static iron core, permanent magnet, closing coil, switching winding and the dynamic iron core being connected with moving contact, the static iron core being clipped in permanent magnet is connected with tripping spring through cover plate through connecting rod, and closing coil and switching winding are enclosed in and are fixed with around the dynamic iron core of connecting rod；

Described breaker body controls device built with band three-step charging, zero-sequenceprotection, reclosing, the intelligent switch controller of fast tripping protection function and automatic circuit corresponding with intelligent switch controller or sectionaliser controls device.

The beneficial effects of the utility model: breaker body is brand-new Miniaturization Design, full-closed structure, unique arc-chutes encapsulation design, good seal performance, performance moistureproof, anti-condensation is good, it is adaptable to hot humid area；By electromagnetism actuating, permanent magnetism keeps electronically controlled powder operation device to instead of traditional mechanical trip and locker, fundamentally overcome the drawback of other technologies, main motion parts only one of which during work, take off without machinery, locker, the source of trouble is few, simultaneously, permanent magnet mechanism can carry out good coordinating with load characteristic, improve breaker actuation quality, substantially increase the break performance of chopper, owing to action component is few, intermediate conversion and bindiny mechanism are also few, substantially reduce dispersibility and the uncontrollability of movement time, reliability is high, can operate by long term frequent, it is truly realized non-maintaining or few maintenance；By using electronics or microsystem that divide-shut brake coil is monitored; the intelligent operation of chopper can be realized; with Intelligent permanent magnet controller with the use of; as loop grid segmentation, the automatic detection of branched line fault; isolation and warning, the operation of monitoring circuit, have and automatically recover the function that non-faulting is powered; switchgear distribution is measured, protects, is controlled and communication function module, meets power distribution automation requirement；Use electric capacity as operation power supply, it is to avoid the accessory power supply fluctuation impact on mechanism action characteristic；Volume is little, lightweight；Disconnecting switch is secured by bolts on switch cabinet, more stable and stronger, convenient disassembly, reliable, can install additional flexibly, easy to maintenance, safety.

Accompanying drawing explanation

Fig. 1 sectional view of the present utility model；

Fig. 2 this utility model installs the Facad structure schematic diagram after disconnecting switch additional；

Fig. 3 this utility model installs the side view after disconnecting switch additional；

The structural representation of Monostable permanent magnetic mechanism in Fig. 4 this utility model.

Detailed description of the invention

nullFor overcoming defect present in existing Standard type chopper，Meet reality need，A kind of permanent magnet vacuum breaker on outdoor post (such as Fig. 1～Fig. 4) of design，Including the breaker body 10 being connected with upper outlet 1 and lower outlet 4，Breaker body 10 includes arc-chutes 2、Cabinet 13 and the operating mechanism 12 being located in cabinet 13，Cabinet 13 is connected above insulating cylinder 3，Operating mechanism 12 includes a deciliter instruction 15、Separating brake handle 14 and permanent magnet mechanism，Separating brake handle 14 is connected with mechanism output shaft 11 by eccentric，Permanent magnet mechanism includes permanent magnet、Coil、Iron core and Intelligent permanent magnet controller，By electromagnetism actuating、Permanent magnetism keeps、The permanent magnet mechanism that Intelligent permanent magnet controller controls is connected with mechanism output shaft 11 electromagnetism，Arc-chutes 2 in insulating cylinder 3 pass sequentially through conductive clamp 6、It is flexible coupling 7、Insulated connecting rod 8 and separating brake stage clip 9 are connected with mechanism output shaft 11；Described permanent magnet mechanism is Monostable permanent magnetic mechanism or bistable-state permanent magnet mechanism；It is provided with disconnecting switch on breaker body 10, disconnecting switch includes support 21, operation handle 17 and isolation blade 23, it is fixed on the support 21 on cabinet 13 and is provided with insulator 19, insulated tension pole 20 summation current transformer 22, insulator 19 top being connected with lower outlet 4 is fixed with one end of isolation blade 23 and is connected, and top is connected to the end isolating the insulated tension pole 20 in the middle part of blade 23 and is connected with operation handle 17 by disconnecting switch main shaft 18；Described Monostable permanent magnetic mechanism includes connecting rod 31, tripping spring 9, static iron core 26, permanent magnet 27, closing coil 28, switching winding 29 and the dynamic iron core 30 being connected with moving contact, the static iron core 26 being clipped in permanent magnet 27 is connected with tripping spring 9 through cover plate 24 through connecting rod, and closing coil 28 and switching winding 29 are enclosed in and are fixed with around the dynamic iron core 30 of connecting rod 31；Described breaker body 10 controls device built with band three-step charging, zero-sequenceprotection, reclosing, the intelligent switch controller of fast tripping protection function and automatic circuit corresponding with intelligent switch controller or sectionaliser controls device.

Operation principle of the present utility model: the armature of bistable-state permanent magnet mechanism is in two positions of stroke end, and the suction produced by permanent magnet keeps, and does not consume any ability.Compared with bistable-state permanent magnet mechanism, Monostable permanent magnetic mechanism is provided with tripping spring, and have employed two coil configuration.When mechanism is in closing position, now in coil, no current passes through, and dynamic iron core is subject to bigger static retention forces under the action of a magnetic field that permanent magnet produces.When mechanism needs separating brake, switching winding is connected with the electric current of certain orientation, the magnetic field making switching winding produce on air gap bottom armature is contrary with the magnetic direction that permanent magnet produces, to offset the downward electromagnetic attraction suffered by armature, now armature will drive moving contact to complete separating brake action via connecting rod under the effect of tripping spring pulling force, or pull manual brake separating draw ring, promote connecting rod to drive moving contact to complete separating brake action under the rotation of eccentric.During combined floodgate, coil passes through rightabout electric current, electric current in closing coil produces magnetic potential, the magnetic field superposition synthesis that the magnetic field produced by coil in sound iron core and permanent magnet produce, dynamic iron core is with the connecting rod being fixed in the above, under the effect of resultant magnetic field power, Switch main body is driven to complete combined floodgate task with the speed of regulation within the time of regulation.The chopper of configuration current transformer, when the electric current flowing through chopper major loop exceedes transformer definite value, controls breaker open operation via permanent magnetic controller, it is achieved overcurrent protection process.

Disconnecting switch is made up of support, insulator, insulated tension pole, blade, main shaft, inlet wire plate and operation handle.Support is fixed on cabinet, utilizes binding post as the fulcrum of plug-in strip, constitutes one end of isolation fracture, and the other end of fracture is opened by operation insulator and drive shaft, closed disconnecting link.Three-phase ganged, has the most visible fracture under disconnecting switch gate-dividing state, and possesses the reliable anti-error mechanism interlocking between breaker body, easy to maintenance, safety.When using disconnecting switch, if (power transmission) operation of closing a floodgate need to be carried out, first pulling isolator operation handle, close isolation knife, Guan Bi puts in place；It is then turn on the reserve battery in controller power source or active controller；Finally leave behind breaker closing draw ring, breaker closing.If separating brake (power-off) operation, breaker open operation draw ring of first leaving behind need to be carried out, or make breaker open operation by the opening button in controller；Then pulling isolator operation handle, open isolation knife, separating brake puts in place.

This utility model is the outdoor electricity distribution equipment of rated voltage 12KV, three-phase alternating current 50Hz, is mainly used in load current, overcurrent and the short circuit current cut-offfing, closing in power system.Protect be applicable to city and rural power grids and control is used, be more suitable for the place of frequent operation.

The beneficial effects of the utility model: breaker body is brand-new Miniaturization Design, full-closed structure, unique arc-chutes encapsulation design, good seal performance, performance moistureproof, anti-condensation is good, it is adaptable to hot humid area；By electromagnetism actuating, permanent magnetism keeps electronically controlled powder operation device to instead of traditional mechanical trip and locker, fundamentally overcome the drawback of other technologies, main motion parts only one of which during work, take off without machinery, locker, the source of trouble is few, simultaneously, permanent magnet mechanism can carry out good coordinating with load characteristic, improve breaker actuation quality, substantially increase the break performance of chopper, owing to action component is few, intermediate conversion and bindiny mechanism are also few, substantially reduce dispersibility and the uncontrollability of movement time, reliability is high, can operate by long term frequent, it is truly realized non-maintaining or few maintenance；By using electronics or microsystem that divide-shut brake coil is monitored; the intelligent operation of chopper can be realized; with Intelligent permanent magnet controller with the use of; as loop grid segmentation, the automatic detection of branched line fault; isolation and warning, the operation of monitoring circuit, have and automatically recover the function that non-faulting is powered; switchgear distribution is measured, protects, is controlled and communication function module, meets power distribution automation requirement；Use electric capacity as operation power supply, it is to avoid the accessory power supply fluctuation impact on mechanism action characteristic；Volume is little, lightweight；Disconnecting switch is secured by bolts on switch cabinet, more stable and stronger, convenient disassembly, reliable, can install additional flexibly, easy to maintenance, safety.

Within the simple change of those ordinary skill in the art and replacement are all protection domain of the present utility model.

Claims (5)

1. null1. a permanent magnet vacuum breaker on outdoor post，Including the breaker body (10) being connected with upper outlet (1) and lower outlet (4)，It is characterized in that，Breaker body (10) includes arc-chutes (2)、Cabinet (13) and the operating mechanism (12) being located in cabinet (13)，Cabinet (13) is connected above insulating cylinder (3)，Operating mechanism (12) includes a deciliter instruction (15)、Separating brake handle (14) and permanent magnet mechanism，Separating brake handle (14) is connected with mechanism's output shaft (11) by eccentric，Permanent magnet mechanism includes permanent magnet、Coil、Iron core and Intelligent permanent magnet controller，By electromagnetism actuating、Permanent magnetism keeps、The permanent magnet mechanism that Intelligent permanent magnet controller controls is connected with mechanism output shaft (11) electromagnetism，Arc-chutes (2) in insulating cylinder (3) pass sequentially through conductive clamp (6)、Be flexible coupling (7)、Insulated connecting rod (8) is connected with mechanism's output shaft (11) with tripping spring (9).
2. A kind of permanent magnet vacuum breaker on outdoor post the most according to claim 1, it is characterised in that described permanent magnet mechanism is Monostable permanent magnetic mechanism or bistable-state permanent magnet mechanism.
3. A kind of permanent magnet vacuum breaker on outdoor post the most according to claim 1 and 2, it is characterized in that, breaker body is provided with disconnecting switch on (10), disconnecting switch includes support (21), operation handle (17) and isolation blade (23), it is fixed on the support (21) on cabinet (13) and is provided with insulator (19), insulated tension pole (20) summation current transformer (22), insulator (19) top being connected with lower outlet (4) is fixing with one end of isolation blade (23) to be connected, top is connected to isolate the end of the insulated tension pole (20) at blade (23) middle part and is connected with operation handle (17) by disconnecting switch main shaft (18).
4. A kind of permanent magnet vacuum breaker on outdoor post the most according to claim 2, it is characterized in that, described Monostable permanent magnetic mechanism includes the connecting rod (31) being connected with moving contact, tripping spring (9), static iron core (26), permanent magnet (27), closing coil (28), switching winding (29) and dynamic iron core (30), the static iron core (26) being clipped in permanent magnet (27) is connected with tripping spring (9) through cover plate (24) through connecting rod, closing coil (28) and switching winding (29) are enclosed in and are fixed with the dynamic iron core (30) of connecting rod (31) around.
5. A kind of permanent magnet vacuum breaker on outdoor post the most according to claim 3; it is characterized in that, described breaker body (10) controls device built with band three-step charging, zero-sequenceprotection, reclosing, the intelligent switch controller of fast tripping protection function and automatic circuit corresponding with intelligent switch controller or sectionaliser controls device.