CN101964285B - Circuit breaker with mechanical resettable flux converter - Google Patents

Abstract

The invention relates to a circuit breaker with a mechanical resettable flux converter, which is characterized by comprising a lever belonging to a circuit breaker mechanism part, a base of the flux converter on a circuit breaker base, a magnet yoke fixedly connected on the base and a slider capable of sliding in the magnet yoke. A vertical shaft on one side of the lever in the mechanism pushes the slider to move forward to compress a compression spring on the slider until a tripping buckle on the magnet yoke can hook the slider to complete resetting. In the resetting process, the invention reduces resetting power consumption, simplifies intermediate links, enables resetting action to be more stable and reliable and greatly increase the reliability of the product; and moreover, the resetting mechanism occupies smaller space to further reduce the size of the molded case circuit breaker.

Description

But the circuit breaker with the mechanical return magnetic flow convertor

Technical field

The invention belongs to a kind of circuit breaker, but but a kind of circuit breaker with the mechanical return magnetic flow convertor of circuit breaker mechanical return with the handle close circuit breaker time particularly.

Background technology

Along with extensively being applied to rapidly in the Low Voltage Electrical Apparatus of electronic technology, intelligent circuit breaker is to answer the market demand and the novel breaker that is born, and its defencive function intellectuality, volume miniaturization, structure, accessory module are inevitable development trend.Reset mode at present known moulded case circuit breaker magnetic flow convertor is to buckle the finger plate in the large support of bump in the process by handle again, and finger plate drives supporting plate and rotates.Supporting plate collides the moving iron core of magnetic flow convertor again, makes it adhesive and resets.Such reset mode power loss is large, intermediate link is many, thereby the reliability of product is lower.The space that resetting device occupies is also larger.

Summary of the invention

The present invention provides a kind of intermediate link few for solving the technical problem that exists in the known technology, the less circuit breaker with the mechanical return magnetic flow convertor but resetting device takes up room.

The present invention for the technical scheme that solves the technical problem that exists in the known technology and take is: it includes the lever of breaker mechanism part, also includes the pedestal of the magnetic flow convertor on the circuit breaker base, the sliding part that is connected in yoke on the described pedestal, slides before and after can be in described yoke; Described yoke is the yoke plate of the U font of a horizontal positioned, and the upside in this end, U font yoke plate two side all has a protuberance of giving prominence to forward, in these two protuberances upper ends circular hole is arranged; Between two circular holes on described yoke two protuberances axle is housed, is fixed with a tripping on this axle and is installed with an end and be connected in described protuberance upper end, the other end is connected in the torsion spring in the described tripping; The rear portion is fixed with the magnetic flux assembly that is comprised of skeleton, permanent magnet, quiet iron block and moving iron core with coil under described yoke, and the direction that moving iron core head ejects is for forward; Described tripping is the flap of two bendings, can collide with the head that described moving iron core ejects in this flap end of one section curved to the below of the described axle of described yoke, another of described flap section be horizontal direction at described axle to palintrope, its recurved one section end is protruding with a gear; On the end of described yoke two protuberances, also be fixed with a stage clip fixed head; The postmedian of described sliding part is positioned on the described magnetic flux assembly, and have on this postmedian the groove that can fix a stage clip with one stretch out forward can with the protruding hook that links mutually of the described gear of described tripping rearward end, the upper front end of the front portion of described sliding part has one to stretch out forward and can be used for the straight hook that the lever with described breaker mechanism part links mutually, can slide on the pedestal of described magnetic flow convertor and before and after in the described yoke in its underpart, and at the moving iron core head that can expose described magnetic flux assembly that has of the front portion of described sliding part, but the breach that does not expose described moving iron core shoulder, the side upper surface in the front portion of described sliding part have a groove that the protuberance of described this side of yoke is slided therein; On described yoke two protuberances stage clip fixed head recited above and described sliding part are latter half of, fixedly be fixed with a stage clip between the groove of stage clip in addition; Sidewall at described circuit breaker lever is fixed with a vertical axis perpendicular to this side sidewall; Described magnetic flow convertor places by the sidewall of described circuit breaker lever with described vertical axis one side, and can make the sliding part of part outside the groove that the protuberance of described yoke one side slides therein can be by on the position that promotes before the described vertical axial on described sliding part.

Advantage and good effect that the present invention has are: reset owing to having adopted to finish by sliding part, tripping and stage clip, make when manually detaining close circuit breaker again, vertical axis on one side of the lever in the mechanism can promote the sliding part stage clip of compression on the sliding part that travel forward, until tripping can be caught on sliding part.But this has just finished the function of mechanical return.Then, work as coil electricity, moving iron core travels forward, and promotes tripping and turns to certain angle, and sliding part breaks away from the constraint of miniature lever, rapidly backward motion under the effect of stage clip, and then the moving iron core of drive resets.In the process that resets, not only reduced the reset powers loss, simplified intermediate link, made homing action steadily, reliably, greatly improved the reliability of product, and the also smaller volume that further reduces moulded case circuit breaker of the space occupied of resetting device.

Description of drawings

Fig. 1 is one of structural representation of the present invention;

Fig. 2 is two of structural representation of the present invention;

Fig. 3 is the A-A view of Fig. 2;

Fig. 4 is the structural representation of yoke;

Fig. 5 is one of structural representation of sliding part;

Fig. 6 is the vertical view of Fig. 5;

Fig. 7 is the upward view of Fig. 5;

Fig. 8 is the structural representation that magnetic flow convertor of the present invention is combined with breaker mechanism.

Embodiment

For further understanding content of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:

Shown in Fig. 1,2,3,4,5,6,7, the pedestal 1 of the magnetic flow convertor on circuit breaker base is equipped with yoke 3.The sliding part 2 that slides before and after in yoke 3; Yoke 3 is yoke plates of the U font of a horizontal positioned, and the end upside in the two side that the yoke plate of U font yoke stretches out forward all has an outstanding protuberance 22 forward, two protuberance 22 upper ends circular hole is arranged; Between two circular holes on yoke two protuberances 22 axle 4 is housed, is fixed with a tripping 5 on the axle 4 and is installed with an end and be fixed on protuberance 22 upper ends, the other end is fixed on the torsion spring 8 in the tripping 5; The magnetic flux assembly 14 that is comprised of skeleton 17, permanent magnet 15, quiet iron block 16, large stage clip 19 catch 20 and moving iron core 21 etc. with coil fixedly is housed at 3 times rear portions of yoke, and the direction of moving iron core 21 heads ejection is for forward; On the rear portion that magnetic flux assembly 14 is fixed on yoke 3 and the baffle plate 18 that is fixed on the yoke.Tripping 5 is flaps of two bendings, can collide with the head that moving iron core 21 ejects in this flap end 6 of one section curved to the below of axle 4, another of flap section be horizontal direction at axle 4 to palintrope, its end to one section of palintrope keeps off protruding 7 with one; One stage clip stator 9 also fixedly is housed on the end of 3 liang of protuberances 22 of yoke; The postmedian of sliding part 2 is positioned on the magnetic flux assembly 14, and the fixedly groove and a square hook 10 that can link mutually with the gear protruding 7 of tripping 5 rearward end that stretches out forward of stage clip arranged above this postmedian, the upper front end of the front portion of sliding part 2 has one to stretch out forward and can be used for the straight hook 11 that the lever 23 with breaker mechanism part links mutually, its underpart can the yoke 3 on the pedestal 1 of magnetic flow convertor in before and after slide, have one can expose moving iron core 21 heads of magnetic flux assembly 14 but this breach does not expose the breach of moving iron core 21 shoulders in the front portion of sliding part 2, inboard 27 places of sliding part 2 upper forepart breach gear is on moving iron core 21 shoulder place catch 20, and the side upper surface in the front portion of sliding part 2 has a groove that the protuberance 22 of yoke 3 these sides is slided therein; Stage clip fixed head 9 on 3 liang of protuberances 22 of yoke and sliding part 2 fixedly have stage clip 12 between the groove of stage clip 12 above latter half of in addition; The sidewall of lever 23 that be used for to regulate adjustment screw one side of draw bar hasp face at circuit breaker has a vertical axis 24 perpendicular to this sidewall; Magnetic flow convertor places by the sidewall of circuit breaker lever 23 with vertical axis 24 1 sides, and vertical axis 24 can promote forward to expose on the sliding part 2 pushing block 13 parts of sliding part outside the sliding recess of yoke right side protuberance 22.

As shown in Figure 8, rough schematic when this figure is actual motion, the left side is divided into mechanism's part of circuit breaker among the figure, and that side in the adjustment screw that reaches buckle side 26 that is used for the adjusting draw bar, one vertical axis 24 is housed on the side arm of lever 23, the right side is divided into magnetic flow convertor, and the hook of straight hook 11 is positioned at the as shown in the figure below of the lower surface, right side of direction of draw bar 25.When buckleing circuit breaker again with handle, lever 23 in mechanism's part as shown in the figure direction rotates, the pushing block 13 of vertical axis 24 contact slide spares 2 left sides in motion process, and drive it and move downward, when the gear of tripping 5 protruding 7 can catch on the square hook 10 on sliding part 2 right sides, just finished reset function of the present invention, and this moment, circuit breaker was also closed.As shown in Figure 3, after the energising of the coil windings on the coil rack 17, moving iron core 21 stressed moving downward, the leading section 6 of collision tripping 8 also rotates it, break away from the constraint of gear protruding 7 of trippings 8 when sliding part 2 after, it moves upward rapidly under the effect of stage clip 12, and the draw bar 25 that straight hook 11 just can be stirred the breaker mechanism part disconnects circuit breaker.And in this process, the breach of the lower part of sliding part 2 inboard 27 is about to moving iron core 21 and shifts original position onto.

Claims (1)

1. but circuit breaker with the mechanical return magnetic flow convertor, it includes the lever of breaker mechanism part, it is characterized in that: also include the pedestal of the magnetic flow convertor on the circuit breaker base, the sliding part that is connected in yoke on the described pedestal, slides before and after can be in described yoke; Described yoke is the yoke plate of the U font of a horizontal positioned, and the upside in this end, U font yoke plate two side all has a protuberance of giving prominence to forward, in these two protuberances upper ends circular hole is arranged; Between two circular holes on described yoke two protuberances axle is housed, is fixed with a tripping on this axle and is installed with an end and be connected in described protuberance upper end, the other end is connected in the torsion spring in the described tripping; The rear portion is fixed with the magnetic flux assembly that is comprised of skeleton, permanent magnet, quiet iron block and moving iron core with coil under described yoke, and the direction that moving iron core head ejects is for forward; Described tripping is the flap of two bendings, can collide with the head that described moving iron core ejects in this flap end of one section curved to the below of the described axle of described yoke, another of described flap section be horizontal direction at described axle to palintrope, its recurved one section end is protruding with a gear; On the end of described yoke two protuberances, also be fixed with a stage clip fixed head; The postmedian of described sliding part is positioned on the described magnetic flux assembly, and have on this postmedian the groove that can fix a stage clip with one stretch out forward can with the protruding hook that links mutually of the described gear of described tripping rearward end, the upper front end of the front portion of described sliding part has one to stretch out forward and can be used for the straight hook that the lever with described breaker mechanism part links mutually, can slide on the pedestal of described magnetic flow convertor and before and after in the described yoke in its underpart, and at the moving iron core head that can expose described magnetic flux assembly that has of the front portion of described sliding part, but the breach that does not expose described moving iron core shoulder, the side upper surface in the front portion of described sliding part have a groove that the protuberance of described this side of yoke is slided therein; On described yoke two protuberances stage clip fixed head recited above and described sliding part are latter half of, fixedly be fixed with a stage clip between the groove of stage clip in addition; Sidewall at described circuit breaker lever is fixed with a vertical axis perpendicular to this side sidewall; Described magnetic flow convertor places by the sidewall of described circuit breaker lever with described vertical axis one side, and can make the sliding part of part outside the groove that the protuberance of described yoke one side slides therein can be by on the position that promotes before the described vertical axial on described sliding part.

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