CN201041795Y

CN201041795Y - Breaker with indication, reset, alarm and buckle release device

Info

Publication number: CN201041795Y
Application number: CNU200620138016XU
Authority: CN
Inventors: 肖磊
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2006-10-08
Filing date: 2006-10-08
Publication date: 2008-03-26
Anticipated expiration: 2016-10-08

Abstract

The utility model provides a multifunctional creepage protecting breaker with indicating, restoring, alarming, tripping functions. Besides a sensing part, an executing part, and a delivering part which are required to be included by a breaker, the utility model also has a tripping protection device which integrates the indicating, the button restoring, the alarming, and the tripping functions into a whole. The device has simple structure, less delivering link, and low cost. New generation of creepage protecting tripping breaker provided with the utility model has more comprehensive safety protecting function, higher safety performance index, and wider purpose.

Description

Have indication, reset, the circuit breaker of warning, trip gear

Technical field

The utility model relates to a kind of earth leakage circuit breaker, particularly a kind ofly has indication, reports to the police, resets, the multifunctional electric leakage protective circuit breaker of trip gear.

Background technology

In circuit breaker, tripping function is crucial safety protection function, and when electric leakage or overload appearred in circuit, tripping function was threaded off and open circuit circuit breaker automatically, thereby has protected personal safety; Deixis can show it is the dropout that electric leakage or overload cause, this is very important for fixing a breakdown; The push-button reset function can prevent the misoperation of circuit breaker, the fault that promptly has been untreated, and without the manual operation reset button, circuit breaker can not close a floodgate, thereby has avoided the potential safety hazard brought because of misoperation; Warning function is the prompt facility administrative staff effectively, in time fix a breakdown.Obviously, have indication simultaneously, reset, the circuit breaker of warning, tripping function, more safe and practical than normal circuit breaker, purposes is more extensive, more can satisfy the more and more higher commercial user demand of user.

The dropout indicating device of existing residual current circuit breaker mainly contains two kinds.A kind of is to adopt shunt release, and its major defect is: external 220V of palpus or 380V power supply, have high-tension electricity in the circuit board, and so make components and parts fragile, in the wiring board debug process, there is potential safety hazard; And, make that the trip status demonstration of the circuit breaker that action is later is imprecise, thereby constitute maintenance difficult and potential safety hazard owing to recover the origin-location again after the shunt release action.Another kind is to adopt tripping mechanism, and it mainly is made up of miniature shunt opening coil, the enlarger of power, resetting device, and its major defect is a complex structure, and the assembling and setting difficulty is big, and mechanism stable is bad, is easy to generate misoperation.

The patent No. is that 032282346 utility model patent discloses a kind of leakage tripping device operating mechanism, and the major defect that the disclosed disengaging deivce of earth leakage of this known technology exists is: defencive function is complete and be subjected to the limitation of mechanical feature and can not expand safety protection function beyond threading off; Structural redundancy, debug difficulties, manufacturing cost height; The link of transmitting motion is many, and reliability is not ideal enough.

Circuit breaker in the market; what have has only tripping function; what have has only deixis; safety protection function is very incomplete; there is the tripping mechanism complexity in addition, is difficult to debugging; poor reliability, defectives such as cost height can not adapt to that the user provides indication simultaneously, resets, the safeguard protection requirement of the Multifunctional breaker of warning, tripping function.

The utility model content

Therefore; the purpose of this utility model is to overcome the defective of above-mentioned prior art, provides that a kind of safety protection function is complete, simple in structure, assembling and setting is convenient, mechanism stable is good, production cost is low, purposes realizes indicating more widely simultaneously, reset, the multifunctional electric leakage protective circuit breaker of warning, tripping function.

To achieve these goals, the utility model has adopted following technical scheme.

Multifunctional electric leakage protective circuit breaker of the present utility model comprises: can experience the order of abnormal conditions and operating personnel in the circuit or other relaying protection system signal experience parts; Containing the execution electric current that touches element and arc control device connects or disjunction task executions parts; Contain the power of the bearing transmission of transmission mechanism, free tripping mechanism, main shaft, trip shaft, the transferring elements of exchange.Circuit breaker of the present utility model is except the parts that comprise above-mentioned circuit breaker and must have, and it comprises that also collection dropout, indication, warning, reset function are the safety guard of one.The technical scheme of this dropout safety guard is: it is made up of reset button 1, pin 2, axle 3, rotating part 4, magnetic flow convertor 5, fixed head 7, iron core 16 and at least one connector 14; Described reset button 1 is connected with rotating part 4 by pin 2, and rotating part 4 is connected with iron core 16 on the magnetic flow convertor 5 by connector 14, simultaneously rotating part 4 by axle 3 with its on be fixed with magnetic flow convertor 5 fixed head 7 be connected; When the instruction of 16 controlled electric currents unshakable in one's determination is done to eject motion, unshakable in one's determination 16 rectilinear motion drives described rotating part 4 and rotates, rotatablely moving of rotating part 4 drives reset button 1 moving linearly, and the angle between the direction of motion of the direction of motion of described button 1 and actuator iron core 16 can be designed to 0 ° (both in the same way), 180 ° (both are reverse), 90 ° or 270 ° (both are vertical mutually) or other various angles on request; An end of unshakable in one's determination 16 links to each other with the draw bar of multifunctional electric leakage protective circuit breaker tripping mechanism body, when unshakable in one's determination 16 do to eject motion, moves described draw bar, makes circuit breaker direct trip and breaking current; The button of reset button 1 is partly by on the opening of inserting the shell that is arranged on the multifunctional electric leakage protective circuit breaker, and when unshakable in one's determination 16 did to eject motion, reset button 1 ejected from the opening of case for circuit breaker thereupon, making thread off indication and the wait indication that resets.

Described dropout safety guard also comprises the warning device that at least one gangbar 6 constitutes; Gangbar 6 is connected with iron core 16 on the magnetic flow convertor 5 by connector 14, one end of this gangbar 6 links to each other with alarm contact, when the instruction of 16 controlled electric currents unshakable in one's determination is done to eject motion, unshakable in one's determination 16 rectilinear motion drives gangbar 6 moving linearlies when making rotating part 4 do to revolve motion, drive gangbar 6 and move alarm contact, make alarm contact change open/close state, realize reporting to the police; After fault is got rid of, press reset button 1, make unshakable in one's determination 16 and gangbar 6 set back, the circuit breaker making current of can closing a floodgate takes place to prevent the false switching accident.

Be that a kind of attainable technical scheme to the dropout safety guard of multifunctional electric leakage protective circuit breaker of the present utility model is further described below.

The dropout safety guard of multifunctional electric leakage protective circuit breaker of the present utility model is made up of reset button, rotating part, magnetic flow convertor, gangbar, iron core, connector and fixed head.Rotating part is installed on the fixed head by an axle, and can rotate around described axle.Reset button is installed on the rotating part by a pin, and can rotate around described pin.Magnetic flow convertor is fixed in the fixed head.Described magnetic flow convertor is by permanent magnet, base plate, outer cover, coil, reaction spring, cover plate, connector and unshakable in one's determination the composition.The sealed chamber of forming magnetic flow convertor by base plate, cover plate and outer cover.Outer cover and fixed head are fixedly connected.Permanent magnet and coil stationary are installed on the sealed chamber interior base plate and outer cover.The motor element iron core is supported in the support holes of cover plate, and the one end assigns in the interior coil 11 of sealed chamber, and the other end is outside sealed chamber.Iron core is in the end face of the end in the sealed chamber near permanent magnet, there is a shaft shoulder at its middle part, the shaft shoulder is connected with an end of reaction spring, the other end of reaction spring is fixed on the base plate, thereby, the effect of three external force of the elastic force of the magnetic force that can be subjected to permanent magnet unshakable in one's determination, reaction spring and the electromagnetic force of coil by the effect of these three external force, can be ordered about iron core and do axial motion.The end face that iron core is in the outer end of sealed chamber is connected with the draw bar of breaker body, and mid portion is equipped with connector, and connector is connected with gangbar, rotating part.Therefore, when sending instruction, controlled electric current makes when having electric current to flow through in the coil, the suction that overcomes permanent magnet under the acting in conjunction of reverse magnetic force that coil produces and reaction spring unshakable in one's determination ejects fast, cause that three connection drive work this moment simultaneously: the one, end face of iron core is moved the draw bar action of breaker body, makes circuit breaker tripping; The 2nd, unshakable in one's determination by the rotation of connector drive rotating part, rotating part drives reset button by pin and ejects, and forms dropout and indicates; The 3rd, iron core drives the gangbar action by connector, makes gangbar touch alarm contact, realizes warning.After fault was got rid of, as long as reset button is pressed, reset button rotated rotating part 4 by pin, drives iron core by connector again and resets, and just can make the initial position that arrives unshakable in one's determination, and permanent magnet sucks iron core, and at this moment, circuit breaker can recover "on" position.

Described magnetic flow convertor 5 comprises: permanent magnet 8, base plate 9, outer cover 10, coil 11, reaction spring 12, cover plate 13, iron core 16 and at least one connector 14; Form a sealed chamber by wherein said base plate 9, cover plate 13 and outer cover 10, permanent magnet 8, coil 11, reaction spring 12 are installed on described the sealed chamber interior base plate 9 or outer cover 10; Unshakable in one's determination 16 are supported in the support holes of cover plate 13, and the one end assigns in the interior coil 11 of sealed chamber, and the other end is connected outside sealed chamber and with rotating part 4, gangbar 6 and breaker tripping mechanism body draw bar; Wherein the action of a magnetic field power of magnetic part should satisfy following relation, the attraction that is 8 pairs of iron cores 16 of described permanent magnet should be greater than the active force of 12 pairs of iron cores 16 of reaction spring, and the actuating force of 11 pairs of iron cores 16 of described coil and the active force sum of 12 pairs of iron cores 16 of reaction spring should be greater than the attractions of 8 pairs of iron cores 16 of permanent magnet.

Described reset button 1 is provided with connecting hole 20, and the aperture of described connecting hole 20 is U-shaped hole or the rectangular opening that has major axis E-E, and the angle between the central shaft D-D of aperture major axis E-E and reset button 1 is greater than 0 °, and less than 180 °.Here U-shaped hole that has major axis E-E or rectangular opening 20 also can be arranged on the rotating part 4.

Described connector is a pin 14,141, penetrates in unshakable in one's determination 16 to fix, and rotating part 14 and gangbar 6 are positioned over pin 14 and sell between 141.Described connector also can be nut 18 and dwang 19, and nut 18 and dwang 19 are fixing for being threaded with unshakable in one's determination 16, and rotating part 4 and gangbar 6 are positioned between nut 18 and the dwang 19.

Pin 2 be same one with reset button 1, perhaps sell 2 with rotating part 4 be same one.

Axle 3 is same one with rotating part 4, and perhaps axle 3 is same one with fixed head 7.

Fixed head 7 is same one with Shell of circuit breaker or base.

Description of drawings

Fig. 1 be the embodiment of a multifunctional electric leakage protective circuit breaker of the utility model indication, reset, the 3 dimensional drawing of warning, trip gear.

Fig. 2 be the embodiment of the utility model circuit breaker indication, reset, the cutaway view of the magnetic flow convertor of warning, trip gear.

Fig. 3 be the embodiment of the utility model circuit breaker indication, reset, warning, the trip gear view before threading off.

Fig. 4 be the embodiment of the utility model circuit breaker indication, reset, warning, the trip gear view after threading off.

Fig. 5 be the embodiment of the utility model circuit breaker indication, reset, the structural representation of the reset button of warning, trip gear.

Fig. 6 be the embodiment of the utility model circuit breaker indication, reset, the cutaway view of the alternative connector of warning, trip gear.

Embodiment

Below in conjunction with accompanying drawing describe in detail of the present utility modelly have indication, reset, an embodiment of the multifunctional electric leakage protective circuit breaker of warning, tripping function, but multifunctional electric leakage protective circuit breaker of the present utility model obviously is not limited to the description of following examples.

Of the present utility modelly have indication, reset, the multifunctional electric leakage protective circuit breaker of warning, tripping function comprises: can experience the experiencing parts, contain and touch and the executive circuit connections/disjunction task executions parts of arc control device, the power of the bearing transmission that contains transmission mechanism, free tripping mechanism, main shaft, trip shaft, the transferring elements of exchange of signal of the order of abnormal conditions and operating personnel in the circuit or other relaying protection system, it is characterized in that it also comprise collect indicate, reset, warning, tripping function be the protective device of one.

As shown in Figure 1, the dropout safety guard of multifunctional electric leakage protective circuit breaker of the present utility model is made up of reset button 1, pin 2, axle 3, rotating part 4, magnetic flow convertor 5, gangbar 6, iron core 16 and fixed head 7.Rotating part 4 is installed on the fixed head 7 by axle 3, and can rotate around axle 3.Reset button 1 is installed on the rotation axis 4 by pin 2, and can rotate around axle 2.Magnetic flow convertor 5 is fixed on the fixed head 7.

As shown in Figure 2, magnetic flow convertor 5 is made up of permanent magnet 8, base plate 9, outer cover 10, coil 11, reaction spring 12, cover plate 13, connector 14 and unshakable in one's determination 16.The sealed chamber of forming magnetic flow convertor 5 by base plate 9, cover plate 13 and outer cover 10.Outer cover 10 is fixedly connected with fixed head 7.Permanent magnet 8 and coil 11 are fixedly mounted on the sealed chamber interior base plate 9 and outer cover 10.Motor element iron core 16 is supported in the support holes of cover plate 13, and the one end assigns in the interior coil 11 of sealed chamber, and the other end is outside sealed chamber.Unshakable in one's determination 16 the end face that is in the end in the sealed chamber is near permanent magnet 8, there is a shaft shoulder at its middle part, the shaft shoulder is connected with an end of reaction spring 12, the other end of reaction spring 12 is fixed on the base plate 9, thereby, the effect of three external force of the elastic force of unshakable in one's determination 16 magnetic force that can be subjected to permanent magnet 8, reaction spring 12 and the electromagnetic force of coil 11 by the effect of these three external force, can be ordered about unshakable in one's determination 16 and do axial motion.Unshakable in one's determination 16 end faces that are in the outer end of sealed chamber are connected with the draw bar of breaker body, and the middle connector 14 that partly is equipped with is connected gangbar 6, rotating part 4 by connector 14 with movement parts unshakable in one's determination 16.

From Fig. 1, Fig. 2 finding, when sending instruction, controlled electric current makes when having electric current to flow through in the coil 11, unshakable in one's determination 16 under the acting in conjunction of reverse magnetic force that coil 11 produces and reaction spring 12, overcome the suction of permanent magnet 8, eject fast, cause that three connection drive work this moment simultaneously: the one, the draw bar action by unshakable in one's determination 16 end face is moved breaker body makes circuit breaker tripping; The 2nd, unshakable in one's determination 16 drive rotating part 4 by connector 14 rotates, and rotating part 4 drives reset button 1 by pin 2 and ejects, and forms the indication of threading off; The 3rd, unshakable in one's determination 16 drive gangbar 6 by connector 14 moves, and makes gangbar 6 touch alarm contacts and realizes reporting to the police.After fault is got rid of, as long as reset button 1 is pressed, just can make rotating part 4 rotate, reset by connector 14 drives unshakable in one's determination 16 again, thereby make unshakable in one's determination 16 to arrive initial position by pin 2, permanent magnet 8 sucks iron core 16, this moment the circuit breaker making current of can closing a floodgate.

As shown in Figure 3, when circuit breaker is in on-state, to indicate, reset, warning, trip gear be in the state before threading off, the position of each movement parts is: reset button 1 is in the A1-A1 position, as to establish A1-A1 be the case for circuit breaker surface location, and then reset button 1 is concordant with case surface; Unshakable in one's determination 16 top end face is in the B1-B1 position, its residing position of body draw bar contact-making surface when this position also is the closing of power circuit breaker state; Gangbar 6 is in the C1-C1 position, and this position also is the position of alarm switch closed condition of living in.

As shown in Figure 4, when magnetic flow convertor 5 controlled Current Control make 16 At time of ejects unshakable in one's determination, circuit breaker tripping is indicated, is resetted, warning, trip gear be in the state after the dropout this moment, the position of each movement parts is: reset button 1 is in the A2-A2 position, has protruded case surface A1-A1; Unshakable in one's determination 16 top end face is in the B2-B2 position, its residing position of body draw bar contact-making surface when this position also is circuit breaker disjunction state that is behind the circuit breaker tripping; Gangbar 6 is in the C2-C2 position, and this position also is alarm switch state position of opening of living in.

After circuit breaker failure is got rid of, by pressing reset button 1, make reset button 1 return to the A1-A1 position, unshakable in one's determination 16 end face returns to the B1-B1 position, gangbar 6 returns to the C1-C1 position, this moment the circuit breaker making current of can closing a floodgate.

As shown in Figure 5, a U-shaped connecting hole 20 is arranged on the reset button 1 of the present utility model, this connecting hole shape also can be rectangle, but no matter be rectangle or U-shaped, the angle between the major axis E-E in the aperture of connecting hole 20 and the central shaft D-D of reset button 1 is greater than 0 ° and less than 180 ° (being expressed as 90 ° among Fig. 5).Connecting hole 20 and pin 2 (shown in Figure 1) link with rotating part 4 (shown in Figure 1).

As shown in Figure 3, Figure 4, when reset button 1 was made ejection or reseting movement, pin 2 can be done to slide along its aperture major axis E-E direction in connecting hole 20, so that the central shaft D-D of reset button 1 remains fixing locus in motion process.In addition, major axis E-E by changing connecting hole 20 and the corner dimension of the central shaft D-D of reset button 1 can change the horizontal displacement (that is: the distance between B1-B1 and the B2-B2) of iron core 16 and the amplification/reduce in scale of reset button 1 vertical displacement (being the distance between A1-A1 and the A2-A2).

Represented the organization plan of another kind of alternative connector 14 to have replaced a connector 14 by Fig. 2 by two connectors (14 and 141).The connection features of two connectors is: will rotate 4 (see figure 1)s and gangbar 6 (see figure 1)s are placed between connector 14 and the connector 141.Connector 14 and connector 141 are pin, penetrate in unshakable in one's determination 16 fixing.

Represented to it is characterized in that the organization plan of another alternative connector 14 by Fig. 6: substituted pin 14 by nut 18, dwang 19 has substituted pin 141.

Extremely shown in Figure 6 by Fig. 1; from the indication of the circuit breaker of the utility model embodiment, reset, the structural analysis of warning, trip gear; can be not difficult to obtain following inspiration: by on unshakable in one's determination 16, connecting a plurality of rotating parts 4 or a plurality of gangbar 6; can make circuit breaker possess more assistant protection function; as: except realizing indicate, reset, the functions such as warning, dropout, also can realizing directly and the miscellaneous equipment functions such as control, measurement, indication that link.

Between the linear movement direction of the movement parts iron core 16 of embodiment of the present utility model shown in Figure 1 and the linear movement direction of reset button 1 is orthogonal.But mandatory declaration is of the present utility model about the angle between the linear movement direction of unshakable in one's determination 16 linear movement direction and reset button 1, can design on request and decide, this global design for circuit breaker provides great convenience, and realizes that the key of this breakthrough is the ingenious technical scheme that adopts rotating part 4.Not hard to imagine, as long as change the distributing positions of two links that are connected on the rotating part 4 and iron core 16 and reset button 1, the angle of the direction of motion between iron core 16 and the reset button 1 is changed.Therefore, adopt the utility model structure technology scheme, can be easily need according to design, with unshakable in one's determination 16 with 1 two linear movement directions of reset button between angle be designed to 0 ° (both in the same way), 180 ° (both are reverse), 90 ° or 270 ° of various angles such as (mutual vertical).

Pin 2 by embodiment of the present utility model shown in Figure 1 is an independent component.But mandatory declaration is, also has the alternative technical scheme that is equal to mutually therewith about pin 2 of the present utility model, as: pin 2 is same one with reset button 1; Perhaps sell 2 and be same one with rotating part 4.

Axle by embodiment of the present utility model shown in Figure 13 be an independent component, but mandatory declaration is, also has the alternative technical scheme that is equal to mutually therewith about axle 3 of the present utility model, as: axle 3 and rotating part 4 are same one; Perhaps axle 3 is same one with fixed head.

Fixed head 7 by embodiment of the present utility model shown in Figure 1 is an independent component, but mandatory declaration is, also there is the alternative technical scheme that is equal to mutually therewith about fixed head 7 of the present utility model, as: fixed head 7 is same one with breaker body (as casing, base etc.).

The utility model only adopts the organic assembling of parts seldom; make omnibearing protection functions such as earth leakage circuit breaker can be realized simultaneously indicating, resetted, warning, dropout; and because the link of transmission motion is few, not only be easy to make and debugging, the reliability of safeguard protection also significantly improves.

Claims

One kind have indication, reset, the circuit breaker of warning, trip gear, comprise and experience parts, execution unit and transferring elements, describedly experience order or other relay protection signal that parts are used for experiencing circuit abnormal conditions and operating personnel; Described execution unit contains shake-up element and arc control device, is used to carry out electric current and connects or the disjunction task; Described transferring elements contains transmission mechanism, free tripping mechanism, main shaft, trip shaft, is used to bear power transmission, exchange;

It is characterized in that:

Described multifunctional electric leakage protective circuit breaker also comprises:

The dropout safety guard, it is made up of reset button (1), pin (2), axle (3), rotating part (4), magnetic flow convertor (5), fixed head (7), (16) unshakable in one's determination and at least one connector (14);

Described reset button (1) is connected with rotating part (4) by pin (2), rotating part (4) is connected with iron core (16) on the magnetic flow convertor (5) by connector (14), simultaneously rotating part (4) by spool (3) with its on be fixed with magnetic flow convertor (5) fixed head (7) be connected;

When the instruction of (16) controlled electric current unshakable in one's determination is done to eject motion, the rectilinear motion of (16) unshakable in one's determination drives described rotating part (4) and does to revolve motion, rotatablely moving of rotating part (4) drives reset button (1) moving linearly, and the direction of motion of described button (1) and angle between the direction of motion of actuator iron core (16) can be designed to 0 ° (both in the same way), 180 ° (both are reverse), 90 ° or 270 ° (both are vertical mutually) or other various angles on request;

One end of (16) unshakable in one's determination links to each other with the draw bar of multifunctional electric leakage protective circuit breaker tripping mechanism body, when (16) unshakable in one's determination are done to eject motion, moves described draw bar, makes circuit breaker direct trip and breaking current;

The button of reset button (1) is partly on the opening with the shell that is arranged on the multifunctional electric leakage protective circuit breaker by the mode of inserting; when (16) unshakable in one's determination are done to eject motion; reset button (1) ejects from the opening of case for circuit breaker thereupon, making thread off indication and the wait indication that resets.
2. according to claim 1ly have indication, reset, the circuit breaker of warning, trip gear, it is characterized in that described dropout safety guard also comprises the warning device that at least one gangbar (6) constitutes; Gangbar (6) is connected with iron core (16) on the magnetic flow convertor (5) by connector (14), one end of this gangbar (6) links to each other with alarm contact, when the instruction of (16) controlled electric current unshakable in one's determination is done to eject motion, the rectilinear motion of (16) unshakable in one's determination drives gangbar (6) moving linearly when making rotating part (4) do to revolve motion, drive gangbar (6) and move alarm contact, make alarm contact change open/close state, realize reporting to the police; After fault is got rid of, press reset button (1), iron core (16) and gangbar (6) are set back, the circuit breaker making current of can closing a floodgate is to prevent the generation of false switching accident.
3. according to claim 1 and 2ly have indication, reset, the circuit breaker of warning, trip gear, it is characterized in that described magnetic flow convertor (5) comprising:

Permanent magnet (8), base plate (9), outer cover (10), coil (11), reaction spring (12), cover plate (13), (16) and at least one connector (14) unshakable in one's determination;

Form a sealed chamber by wherein said base plate (9), cover plate (13) and outer cover (10), permanent magnet (8), coil (11), reaction spring (12) are installed on described the sealed chamber interior base plate (9) or outer cover (10);

(16) unshakable in one's determination are supported in the support holes of cover plate (13), and the one end assigns in the interior coil (11) of sealed chamber, and the other end is connected outside sealed chamber and with rotating part (4), gangbar (6) and breaker tripping mechanism body draw bar;

Wherein the action of a magnetic field power of magnetic part should satisfy following relation, be that described permanent magnet (8) should be greater than the active force of reaction spring (12) to (16) unshakable in one's determination to the attraction of (16) unshakable in one's determination, described coil (11) should be greater than the attraction of permanent magnet (8) to (16) unshakable in one's determination to the active force sum of (16) unshakable in one's determination to the actuating force and the reaction spring (12) of (16) unshakable in one's determination.
4. according to claim 1ly have indication, reset, the circuit breaker of warning, trip gear, it is characterized in that described reset button (1) is provided with connecting hole (20), the aperture of described connecting hole (20) is for having the U-shaped hole or the rectangular opening of major axis (E-E), angle between the central shaft (D-D) of aperture major axis (E-E) and reset button (1) is greater than 0 °, and less than 180 °.
5. circuit breaker according to claim 1 and 2 is characterized in that: described connector is pin (14,141), penetrates in the iron core (16) to fix, and rotating part (14) and gangbar (6) are positioned between pin (14) and the pin (141).
6. circuit breaker according to claim 1 and 2, it is characterized in that: described connector is nut (18) and dwang (19), nut (18) and dwang (19) are fixing for being threaded with (16) unshakable in one's determination, and rotating part (4) and gangbar (6) are positioned between nut (18) and the dwang (19).
7. circuit breaker according to claim 1 is characterized in that: pin (2) is same one with reset button (1), and perhaps pin (2) is same one with rotating part (4).
8. circuit breaker according to claim 1 is characterized in that: axle (3) is same one with rotating part (4), and perhaps axle (3) is same one with fixed head (7).
9. circuit breaker according to claim 1 is characterized in that: fixed head (7) is same one with Shell of circuit breaker or base.
10. circuit breaker according to claim 4 is characterized in that: the U-shaped hole or the rectangular opening (20) that have major axis (E-E) also can be arranged on the rotating part (4).