CN201853663U - Synchronous auxiliary alarm contact head - Google Patents

Abstract

The utility mode relates to a synchronous auxiliary alarm contact head, mainly solving the problem that the exiting synchronous auxiliary contact head does not have an alarm function. A base is internally provided with a first movable contact plate and a second movable contact plate, the first movable contact plate and the second movable contact plate are used for respectively controlling movable contact pieces of contact point mechanisms at two sides of the base to be connected and switched with a first fixed contact piece and a second fixed contact piece, a conducting wire of a switching on/off indicator light on a long-range control end is correspondingly connected with the contact point mechanisms at the two sides of the base, and the switching on/off indicator light on the long-range control end can be correspondingly turned on and off when the first movable contact plate and the second movable contact plate control the contact point mechanisms to be switched on and off; and secondly, the contact point mechanism at one side of the base is connected with the switching on/off indicator light, the contact point mechanism at the other side of the base is connected with an alarm, and the second movable contact plate is linked with the first movable contact plate by a switching mechanism only when a tripping mechanism of a circuit breaker is tripped. Therefore, the contact head not only has an auxiliary function, but also has an alarm function.

Description

A kind of synchronous additional alarm contact

Technical field

But the utility model relates to a kind of indicating circuit break-make and the indicating device that can give the alarm under the situation of circuit disjunction, relates to a kind of synchronous additional alarm contact that is used with remote circuit breaker in particular, is mainly used in the low-voltage electrical apparatus field.

Background technology

When use has the circuit breaker of remote control function, tending to be equipped with synchronous auxiliary contact uses together, synchronous auxiliary contact is installed in circuit breaker one side side by side, and make circuit breaker and auxiliary contact synchronous interaction synchronously by connecting rod, the personnel that control of being convenient to remote control terminal like this understand the operating state of circuit breaker main circuit in real time, though install the operating state that the personnel that control that synchronous auxiliary contact can make remote control terminal understand the circuit breaker main circuit in real time additional, but the main circuit of circuit breaker is when disjunction, signal can not give the alarm, do not have warning function, as the carelessness of the personnel that control on leaving post or working, just can not in time find the main circuit disjunction of circuit breaker, cause the damage of circuit upstream and downstream equipment easily.

Summary of the invention

Do not have warning function in order to solve existing synchronous auxiliary contact, the utility model provides a kind of synchronous additional alarm contact, this contact not only can use as auxiliary contact, monitor the operating state of circuit breaker main circuit in real time, simultaneously, also can auxiliary with report to the police between switch, have the auxiliary warning function that reaches simultaneously, make the circuit breaker signal that under the disjunction situation, can in time give the alarm.

For solving above technical problem, the technical scheme that the utility model is taked is a kind of synchronous additional alarm contact, include pedestal and cover plate, in pedestal, be provided with two groups of contact mechanisms, contact mechanism includes first terminals, second terminals, the 3rd terminals, first static contact, second static contact and movable contact spring, the movable contact spring and first terminals fix, and first static contact and second static contact are corresponding to link to each other with the 3rd terminals with second terminals; It is characterized in that in described pedestal, being provided with the first movable contact plate, the second movable contact plate, operating mechanism, locking mechanism and switching mechanism, first, the second movable contact plate is hinged in the pedestal, the movable contact spring of the second movable contact plate and the first movable contact plate synchronous interaction and two groups of contact mechanisms is corresponding to first, the second movable contact plate links to each other, operating mechanism be installed in the pedestal and with the operating grip synchronous interaction of circuit breaker, and when operating mechanism can drive movable contact spring that the first movable contact plate makes one group of contact mechanism in two groups of contact mechanisms and connects first static contact, the movable contact spring that makes the second movable contact plate drive another group contact mechanism is connected with second static contact, locking mechanism is installed in the first movable contact plate is in the lock state when ordering about contact mechanism closure and disjunction, and locking mechanism is when the tripping mechanism of circuit breaker drives the circuit breaker disjunction, the contact mechanism of disjunction synchronously; Described switching mechanism includes change over switch and latch hook, and this latch hook is hinged in the pedestal one end can make the only ability and the first movable contact plate synchronous interaction under the situation that breaker tripping mechanism is threaded off of the second movable contact plate hanging to cooperate with the second movable contact plate hook under the adjusting of change over switch.

Further, described operating mechanism includes handle, reduction torsion spring and U type connecting rod, described locking mechanism includes snap close, tripping, torsion spring and extension spring, and handle is hinged in the pedestal and reduction torsion spring is nested with on the jointed shaft of handle, and its two ends link to each other with handle with pedestal respectively; Described tripping is hinged on the end of the first movable contact plate, and U type connecting rod one end links to each other with tripping, and the other end links to each other with handle; Described snap close is hinged on the first movable contact plate and the tripping mechanism synchronous interaction by gangbar and circuit breaker, torsion spring is installed on the first movable contact plate, the one end compresses mutually with snap close snap close is cooperated with tripping phase hook all the time, the other end and the first movable contact plate fix, described extension spring is installed in first, second movable contact plate both sides, one end links to each other with first, second movable contact plate, and the other end links to each other with pedestal.

Further, described latch hook includes hook, the adjustable side that is angular distribution and the end of threading off, center at snap close is provided with hinge hole, this hinge hole is hinged with the bearing pin that is arranged on pedestal, on the end face on the described second movable contact plate, be provided with open recess, be provided with the boss that is barb-like on the sidewall of groove, described hook cooperates with the boss hook; Described change over switch includes adjusting portion and places the turn-knob portion at adjusting portion two ends, the turn-knob portion at two ends inserts on pedestal and the cover plate in the corresponding adjustment hole respectively and end face exposes outside the base and cover plate, the cross section of adjusting portion is 3/4ths circle shapes, the bottom of described adjustable side is arranged with top pressure spring, this top pressure spring one end and pedestal roof pressure mutually cooperate the adjustable side of latch hook all the time with the adjusting portion phase roof pressure of change over switch, described dropout end passes U type connecting rod and the hook and the boss of the second movable contact plate are separated.

Further, be equipped with draw-in groove on described first, second movable contact plate, the movable contact spring of two groups of contact mechanisms snaps in respectively in the draw-in groove of first, second movable contact plate; Be provided with jointed shaft in pedestal, be provided with axle sleeve on the first movable contact plate, axle sleeve is nested with on jointed shaft and is hinged with pedestal, and snap close is provided with through hole and this through hole and is nested with on axle sleeve and is hinged with the first movable contact plate; Be provided with latch at the second movable contact plate, one end, this latch inserts in the through hole of snap close and is hinged with snap close, is provided with block at the second movable contact plate other end, this block be arranged on the first movable contact plate sidewall on the mutually spacing cooperation of limiting stand.

Further, the described first movable contact plate is stepped to have both ends of the surface up and down, on the upper surface, be provided with the open slot that communicates with the lower surface, torsion spring and guide vane end stop are arranged on the upper surface, axle sleeve is fixed on the lower surface, and tripping and lower surface are hinged, and is provided with on rectangular groove and the sidewall at the relative end of tripping hinged end and is provided with ratchet, U type connecting rod one end inserts in the rectangular groove, and the other end links to each other with handle; On described snap close outer wall, be provided with the feeler and the guide vane end stop of band barb, the barb of feeler blocks mutually with the ratchet of tripping makes snap close that tripping is locked, guide vane end stop places in the open slot, described gangbar is fixed on the guide vane end stop, the corresponding position that reaches cover plate on the second movable contact plate is provided with the deep-slotted chip breaker that is complementary with the gangbar rotational trajectory, and the deep-slotted chip breaker that gangbar is passed the second movable contact plate and cover plate links to each other with breaker tripping mechanism.

Further, be positioned at handle one side and be provided with analog buttons on described pedestal, this analog buttons one end passes pedestal and places outside the pedestal, the other end place in the pedestal and the active force that can externally push down with the contact of snap close mutually roof pressure snap close and tripping are separated; Be provided with groove on analog buttons, described reduction torsion spring and pedestal an end of roof pressure mutually snap in analog buttons are separated with the snap close feeler under the external pressure effect all the time not having.

The beneficial effects of the utility model are first, second movable contact plate to be set in pedestal and to utilize first, second movable contact plate to control the movable contact spring of pedestal both sides contact mechanism and being connected and switching mutually of first, second static contact respectively, the corresponding contact mechanism with the pedestal both sides of lead of closing on the remote control terminal, separating brake indicator light is linked to each other, first, second movable contact plate the control contact mechanism is closed can corresponding startup during with disjunction and close closing on the remote control terminal, separating brake indicator light; Secondly, the contact mechanism of pedestal one side can be connected branch, combined floodgate indicator light, the contact mechanism of opposite side connects alarm, and the second movable contact plate is only just linked under the situation that breaker tripping mechanism is threaded off with the first movable contact plate by switching mechanism, so not only make contact have miscellaneous function, also possess warning function simultaneously.

Description of drawings

Fig. 1 does not install the cut-away view of cover plate for a kind of synchronous additional alarm contact of the utility model embodiment.

Fig. 2 does not install the inside three-dimensional structure diagram of cover plate for a kind of synchronous additional alarm contact of the utility model embodiment.

Fig. 3 does not install the assembling assumption diagram of the second movable contact plate for a kind of synchronous additional alarm contact of the utility model embodiment.

Fig. 4 does not install the three-dimensional assembling assumption diagram of the second movable contact plate for a kind of synchronous additional alarm contact of the utility model embodiment.

Fig. 5 is the main TV structure figure of the utility model embodiment second movable contact plate.

Fig. 6 is the three-dimensional structure diagram of the utility model embodiment second movable contact plate.

Fig. 7 is the three-dimensional structure diagram of the utility model embodiment first movable contact plate.

Fig. 8 is the three-dimensional structure diagram of the utility model embodiment tripping.

Fig. 9 is the three-dimensional structure diagram of the utility model embodiment snap close.

Figure 10 simulates the three-dimensional structure diagram of knob for the utility model embodiment.

Figure 11 is the three-dimensional structure diagram of the utility model embodiment change over switch.

Figure 12 is the main TV structure figure of the utility model embodiment latch hook.

Figure 13 is the three-dimensional structure diagram of the utility model embodiment latch hook.

Figure 14 is the three-dimensional exploded view of a kind of synchronous additional alarm contact of the utility model embodiment.

Embodiment

Below in conjunction with accompanying drawing the utility model execution mode is described further:

Extremely shown in Figure 14 as Fig. 1, the utility model is a kind of synchronous additional alarm contact, include pedestal 1 and cover plate 2, in pedestal 1, be provided with two groups of contact mechanisms 3, contact mechanism 3 includes first terminals 31, second terminals 32, the 3rd terminals 33, first static contact 34, second static contact 35 and movable contact spring 36, the movable contact spring 36 and first terminals 31 fix, first static contact 34 and second static contact 35 is corresponding links to each other with the 3rd terminals 33 with second terminals 32; Do not have warning function in order to solve existing synchronous auxiliary contact, in described pedestal 1, be provided with the first movable contact plate 4, the second movable contact plate 5, operating mechanism 6, locking mechanism 7 and switching mechanism 8, first, the second movable contact plate 4,5 are hinged in the pedestal 1, the movable contact spring 36 of the second movable contact plate 5 and 4 synchronous interactions of the first movable contact plate and two groups of contact mechanisms 3 is corresponding to first, the second movable contact plate 4,5 link to each other, operating mechanism 6 be installed in the pedestal 1 and with the operating grip synchronous interaction of circuit breaker, and when operating mechanism 6 can drive movable contact spring 36 that the first movable contact plate 4 makes one group of contact mechanism 3 in two groups of contact mechanisms 3 and connects first static contact 34, the movable contact spring 36 that makes the second movable contact plate 5 drive another group contact mechanism 3 is connected with second static contact 35, locking mechanism 7 is installed in the first movable contact plate 4 is in the lock state when ordering about contact mechanism 3 closures and disjunction, and locking mechanism 7 is when the tripping mechanism of circuit breaker drives the circuit breaker disjunction, the contact mechanism of disjunction synchronously 3; Described switching mechanism 8 includes change over switch 81 and latch hook 82, and latch hook 82 is hinged in the pedestal 1 the one end can make only ability and 4 synchronous interactions of the first movable contact plate under the situation that breaker tripping mechanism is threaded off of the second movable contact plate 5 cooperating with the second movable contact plate, 5 hooks under the adjusting of change over switch 81; In use, with this synchronous auxiliary contact and circuit breaker is installed side by side and by screw fastening, this synchronous auxiliary contact has auxiliary and two kinds of mode of operations of additional alarm, the user is scalable change over switch 81 as required, when only needing miscellaneous function as the workplace, change over switch 81 is the initialization state, its latch hook 82 and the second movable contact plate 5 are released state, at this moment, separating brake indicator light on the remote control terminal is linked to each other with first terminals 31 of pedestal 1 both sides contact mechanism 3 respectively with the inlet wire of combined floodgate indicator light, outlet links to each other with second terminals 32 of pedestal 1 both sides contact mechanism 3 respectively, because the operating grip synchronous interaction of operating mechanism 6 and circuit breaker, when manual or long-range driving circuit breaker closing fashionable, the operating mechanism 6 of synchronous additional alarm contact drives the first movable contact plate 4 simultaneously and the second movable contact plate 5 is swung to pedestal 1 right side, first terminals 31 of pedestal 1 right side contact mechanism 3 are connected with first static contact 34 by movable contact spring 36 with second terminals 32, first terminals 31 by lead and pedestal 1 right side form the loop with combined floodgate indicator light on the remote control terminal that second terminals 32 link to each other like this, the combined floodgate indicator light starts, and the second movable contact plate 5 with the first movable contact plate 4 when swing on pedestal 1 right side, the movable contact spring 31 of pedestal 1 left side contact mechanism 3 is separated with first static contact 34 of second terminals 32 under the driving of the second movable contact plate 5, at this moment, the circuit of the separating brake indicator light that links to each other with second terminals 32 by lead and first terminals 31 of pedestal 1 left side contact mechanism 3 disconnects, separating brake indicator light on the remote control terminal is then for extinguishing state, thereby the personnel that control of remote control terminal just can be led to the break-make situation of judging the circuit breaker main circuit according to the operating state of combined floodgate indicator light and separating brake indicator light.When the user needs the additional alarm function, manually 90 ° of change over switches 81 of reverse rotation make change over switch 81 be in second service position, at this moment, the inlet wire of combined floodgate indicator light on the remote control terminal and separating brake indicator light is all linked to each other with first terminals 31 of pedestal 1 right side contact mechanism 3, the outlet of its combined floodgate indicator light and separating brake indicator light is then corresponding to link to each other with second terminals 32 and the 3rd terminals 33 of pedestal 1 right side contact mechanism 3, and the inlet wire of alarm links to each other with first terminals 31 of pedestal 1 left side contact mechanism 3, the outlet of alarm then links to each other with second terminals 32 of pedestal 1 left side contact mechanism 3, because the operating grip synchronous interaction of operating mechanism 6 and circuit breaker, when manual or long-range driving circuit breaker closing fashionable, the operating mechanism 6 of synchronous additional alarm contact drives the first movable contact plate 4 simultaneously and the second movable contact plate 5 is swung to pedestal 1 right side, when the second movable contact plate 5 swings to extreme position, latch hook 82 is connected with the second movable contact plate, 5 hooks, at this moment, the movable contact spring 36 of pedestal 1 left side contact mechanism 3 is separated with first static contact 34 of second terminals 32 under the driving of the second movable contact plate 5, the route of the alarm on the remote control terminal disconnects, and alarm cuts out; And the first movable contact plate 4 is when swing on pedestal 1 right side, the movable contact spring 36 of pedestal 1 right side contact mechanism 3 is connected with first static contact 34 of second binding post 32, first terminals 31 and the 33 corresponding disconnections of the 3rd terminals, at this moment, lead forms the loop with the combined floodgate indicator light that pedestal 1 right side first terminals 31 are connected with second terminals 32, combined floodgate indicator light on the remote control terminal starts, and the separating brake indicator light is closed; Because latch hook 82 cooperates with the second movable contact plate, 5 hooks, when manual or Long-distance Control circuit breaker normally closed and disjunction, the second movable contact plate 5 is connected with latch hook 82 all the time, as when circuit breaker breaks down improper disjunction, locking mechanism 7 with the process of circuit breaker synchronous interaction in, can order about latch hook 82 separates with the second movable contact plate 5, the second movable contact plate 5 and 4 synchronous interactions of the first movable contact plate are swung to pedestal 1 left side, at this moment, the movable contact spring 36 of pedestal 1 left side contact mechanism 3 is being connected with first static contact 34 on second terminals, 32 sons under the driving of the second movable contact plate 5, the circuit that lead is connected the alarm of the remote control terminal on pedestal 1 left side, first binding post 31 and second terminals 32 forms the loop, improper disjunction that alarm starts and the personnel that the control circuit breaker of reminding remote control terminal of giving the alarm breaks down, make the personnel of controlling can be in time and rapidly removing faults, guarantee the safety of upstream device.

In the present embodiment, order about the swing disjunction and the closure of movable contact spring 36 with first, second static contact 34,35 of control contact mechanism 3 of first, second movable contact plate 4,5 for the ease of operating mechanism 6, described operating mechanism 6 includes handle 61, reduction torsion spring 62 and U type connecting rod 63, described locking mechanism 7 includes snap close 71, tripping 72, torsion spring 73 and extension spring 74, handle 61 is hinged in the pedestal 1 and reduction torsion spring 62 is nested with on the jointed shaft of handle 61, and its two ends link to each other with handle 61 with pedestal 1 respectively; Described tripping 72 is hinged on the end of the first movable contact plate 4, and U type connecting rod 63 1 ends link to each other with tripping 72, and the other end links to each other with handle 61; Described snap close 71 is hinged on first, second movable contact plate 4,5 and passes through the tripping mechanism synchronous interaction of gangbar 75 and circuit breaker, torsion spring 73 is installed on the first movable contact plate 4, the one end compresses mutually with snap close 71 snap close 71 is cooperated with tripping 72 phase hooks all the time, the other end and the first movable contact plate 4 fix, described extension spring 74 is installed in first, second movable contact plate 4,5 both sides, one end links to each other with first, second movable contact plate 4,5, and the other end links to each other with pedestal 1; Because tripping 72 and snap close 71 all are hinged on the first movable contact plate 4, when driving handle 61 rotations, the two ends of U type connecting rod 63 be on the same straight line with the jointed shaft of handle 61 and snap close 71 by torsion spring 73 all the time with tripping 72 roof pressure mutually, thereby make the handle 61 and the first movable contact plate 4 form self-locking, so just can avoid the first movable contact plate 4 to automatically reset; Snap close 71 is by the tripping mechanism synchronous interaction of gangbar 75 with circuit breaker, like this when circuit breaker breaks down, when tripping mechanism orders about the circuit breaker disjunction, snap close 71 is separated with tripping 72, handle 61 is under the active force of reduction torsion spring 62 like this, drive first, second movable contact plate 4,5 and reset, thereby realize the synchronous disjunction of synchronous auxiliary contact and circuit breaker; And respectively establish an extension spring 74 in first, second movable contact plate 4,5 both sides, be convenient to handle 61 like this when ordering about first, second movable contact plate 4,5 and swing, the movable contact spring 36 that guarantees both sides contact mechanism 3 and the contact performance of first, second static contact 34,35 and also can improve the separating rate of first, second movable contact plate 4,5 disjunction both sides contact mechanisms 3.

In the present embodiment, for guaranteeing that synchronous auxiliary contact is when making additional alarm contact function, latch hook 82 cooperate with the second movable contact plate, 5 hooks make the second movable contact plate 5 only under circuit breaker breaks down the situation of improper dropout just and 4 synchronous interactions of the first movable contact plate, described latch hook 82 includes hook 821, the adjustable side 822 that is angular distribution and the end 823 of threading off, be provided with hinge hole 824 at the center of snap close 82, this hinge hole 824 is hinged with the bearing pin 12 that is arranged on pedestal 1; Be provided with open recess 55 on the end face on the described second movable contact plate 5, be provided with the boss 551 that is barb-like on the sidewall of groove 55, described hook 821 cooperates with boss 551 hooks; Described change over switch 81 includes adjusting portion 811 and places the turn-knob portion 812 at adjusting portion 811 two ends, the turn-knob portion 812 at two ends inserts on pedestal 1 and the cover plate 2 in the corresponding adjustment hole respectively and end face exposes outside pedestal 1 and the cover plate 2, the cross section of adjusting portion 811 is 3/4ths circle shapes, the bottom of described adjustable side 822 is arranged with top pressure spring 825, these top pressure spring 825 1 ends and pedestal 1 roof pressure mutually cooperate the adjustable side 822 of latch hook 82 all the time with the adjusting portion 811 phase roof pressures of change over switch 81, described dropout end 823 passes U type connecting rod 63 and the boss 551 of the hook 821 and second movable contact plate 5 is separated; Because the additional alarm contact is when using the additional alarm function synchronously, need the second movable contact plate 5 when circuit breaker breaks down improper disjunction just with the first movable contact plate, the 4 synchronous disjunctions of circuit breaker and synchronous additional alarm contact, like this when the hook 821 and boss 551 second movable contact plate 5 of latch hook 82 when hook cooperates mutually, influenced by the hook 821 of latch hook 82, under the situation of synchronously additional alarm contact and the normal disjunction of circuit breaker, the second movable contact plate 5 not can with the first movable contact plate 4 and the synchronous disjunction of circuit breaker of synchronous additional alarm contact; And because snap close 71 passes through the tripping mechanism synchronous interaction of gangbar 75 and circuit breaker, when circuit breaker breaks down, the dropout structure of circuit breaker drives snap close 71 rotations by gangbar 75, thereby make snap close 71 and tripping 72 and separate, handle 61 is under the reaction force of reduction torsion spring 62 like this, driving U type connecting rod 63 resets, and the dropout end 823 of latch hook 82 passes U type connecting rod 63, like this under the situation that U type connecting rod 63 resets, the dropout end 823 of U type connecting rod 63 touching latch hooks 82, thereby the hook 821 of latch hook 82 and the boss 551 of the second movable contact plate 5 are separated, the second movable contact plate 5 and the first movable contact plate 4 are swung to pedestal 1 left side synchronously, the movable contact spring 36 of the contact mechanism 3 in pedestal 1 left side makes first binding post 31 and second binding post 32 form the loop start alarms separating with second static contact 35 of the 3rd binding post 33 under the driving of the second movable contact plate 5 and be connected with first static contact 34 on second binding post 32, realizes the synchronous disjunction of the second movable contact plate 5 and the first movable contact plate 4 and circuit breaker.

In the present embodiment, for ease of the installation of movable contact spring 36 and locking mechanism 7, the movable contact spring 36 that is equipped with 41,51, two groups of contact mechanisms 3 of draw-in groove at first, second movable contact plate 4,5 snaps in respectively in the draw-in groove 41,51 of first, second movable contact plate 4,5; Be provided with jointed shaft 11 in pedestal 1, be provided with axle sleeve 42 on the first movable contact plate 4, axle sleeve 42 is nested with on jointed shaft 11 and is hinged with pedestal 1, and snap close 71 is provided with through hole 711 and this through hole 711 and is nested with on axle sleeve 42 and is hinged with the first movable contact plate 4; Be provided with latch 52 at the second movable contact plate, 5 one ends, this latch 52 inserts in the through hole 711 of snap closes 71 with the be hinged axis of the jointed shaft that makes the first movable contact plate 4, snap close 71 and the second movable contact plate 5 of snap close 71 and is in coaxial state; Certainly, for making the first movable contact plate 4, snap close 71 and the second movable contact plate 5 in same axis is hinged on pedestal 1, also can adopt alternate manner, such as the first movable contact plate 4, snap close 71 and the second movable contact plate 5 all can be nested with on this jointed shaft 11 prolongation of the jointed shaft in the pedestal 1, just can reach same purpose, but adopting this structure to be easy to processing, is preferred implementation therefore; Swing synchronously for making the second movable contact plate 5 and the first movable contact plate 4, be provided with block 53 at the second movable contact plate, 5 other ends, this block 53 be arranged on the first movable contact plate, 4 sidewalls on limiting stand 43 mutually spacing cooperations, by cooperating of block 53 and limiting stand 43, when the handle 61 drivings first movable contact plate 4 is swung to the right, block 53 can make the swing to the right synchronously of the second movable contact plate 5 and the first movable contact plate 4 under the driving of limiting stand 43, when thereby the movable contact spring 36 that makes wherein one group of contact mechanism 3 of two groups of contact mechanisms 3 connects first static contact 34 of second binding post 32, the movable contact spring 36 of another group contact mechanism 3 connects second static contact 35 of the 3rd binding post 33, the mutual switch operating of combined floodgate indicator light and separating brake indicator light on the realization remote control terminal.

In the present embodiment, production and processing and assembling for handled easily mechanism 6, first, second movable contact plate 4,5 and locking mechanism 7, the described first movable contact plate 4 is stepped to have both ends of the surface up and down, on the upper surface, be provided with the open slot 44 that communicates with the lower surface, torsion spring 73 and limiting stand 43 are arranged on the upper surface, axle sleeve 42 is fixed on the lower surface, tripping 72 is hinged with the lower surface, be provided with on rectangular groove 721 and the sidewall at the relative end of tripping 72 hinged ends and be provided with ratchet 722, U type connecting rod 63 1 ends insert in the rectangular groove 721, and the other end links to each other with handle 61; On described snap close 71 outer walls, be provided with the feeler 712 and the guide vane end stop 713 of band barb 7121, the barb 7121 of feeler 712 blocks mutually with the ratchet 722 of tripping 72 makes snap close 71 with tripping 72 lockings, guide vane end stop 713 places in the open slot 44 and gangbar 75 is fixed on the guide vane end stop 713, the corresponding position that reaches cover plate 2 on the second movable contact plate 5 is provided with the deep-slotted chip breaker 54,21 that is complementary with gangbar 75 rotational trajectories, and the deep-slotted chip breaker 54,21 that gangbar 75 is passed the second movable contact plate 5 and cover plate 2 links to each other with the circuit breaker tripping machine mechanism; The first movable contact plate 4 is made as stepped, when such second movable contact plate 5 was hinged on the snap close 71, its end face can fit with the end face of the first movable contact plate 4, guarantees the job stability of the second movable contact plate 5; And trace 75 is being set on the snap close 71 and deep-slotted chip breaker 54,21 is set on the second movable contact plate 5 and cover plate 2, so in use, the deep-slotted chip breaker 54,21 that gangbar 75 is passed on the second movable contact plate 42 and the cover plate 2 links to each other with the tripping mechanism of circuit breaker, when circuit breaker breaks down, tripping mechanism drives snap close 71 rotations by trace 75, the barb 7121 of snap close 71 feelers 712 is separated with the ratchet 722 of tripping 72, make synchronous additional alarm contact can with the synchronous disjunction of circuit breaker.

In the present embodiment, when the additional alarm of additional alarm contact use synchronously function, for guaranteeing the job stability and the reliability of alarm, be positioned at handle 61 1 sides on the described pedestal 1 and be provided with analog buttons 64, these analog buttons 64 1 ends pass pedestal 1 and place outside the pedestal 1, the other end place in the pedestal 1 and the active force that can externally push down with the contact 712 of snap close 71 mutually roof pressure snap close 71 and tripping 72 are separated; Be provided with groove 641 on analog buttons 64, described reduction torsion spring 62 and pedestal 1 end of roof pressure mutually snap in analog buttons 64 are separated with snap close 71 feelers 712 under the external pressure effect all the time not having; Synchronous auxiliary contact and circuit breaker is installed side by side and with the separating brake indicator light on the remote controllers, combined floodgate indicator light and alarm be connected with the synchronous contact mechanism 3 of auxiliary contact both sides finish after, because can can't predict when circuit breaker breaks down improper disjunction alarm operate as normal, therefore on pedestal 1, increase by an analog buttons 64, like this after first terminals 31 in the lead of alarm and pedestal 1 left side and second terminals 32 are connected, adjust a change over switch 81 and a synchronous auxiliary contact closure, then by pushing analog buttons 64, analog buttons 64 external force by the contact 712 of depressing roof pressure snap close 71, tripping 72 and snap close 71 are separated, and handle 61 is under the reaction force of back-moving spring 62, driving U type connecting rod 63 resets, because the dropout end 823 of latch hook 82 passes U type connecting rod, the dropout end 823 of touching latch hook 82 in the process that U type connecting rod 53 is resetting, the hook 821 of driving latch hook 82 and the boss 551 of the second movable contact plate 5 are separated, thereby realize the movable contact spring 36 of contact mechanism 3 that resetting of the second movable contact plate 5 make pedestal 1 left side under the drive of the second movable contact plate 5 with when second static contact 35 of the 3rd binding post 33 separates, movable contact spring 36 is connected with first static contact 34 on second terminals, 32 sons, makes the alarm on the remote control terminal form the loop start alarm.

The foregoing description should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.

Claims (6)

1. synchronous additional alarm contact, include pedestal and cover plate, in pedestal, be provided with two groups of contact mechanisms, contact mechanism includes first terminals, second terminals, the 3rd terminals, first static contact, second static contact and movable contact spring, the movable contact spring and first terminals fix, and first static contact and second static contact are corresponding to link to each other with the 3rd terminals with second terminals; It is characterized in that in described pedestal, being provided with the first movable contact plate, the second movable contact plate, operating mechanism, locking mechanism and switching mechanism, first, the second movable contact plate is hinged in the pedestal, the movable contact spring of the second movable contact plate and the first movable contact plate synchronous interaction and two groups of contact mechanisms is corresponding to first, the second movable contact plate links to each other, operating mechanism be installed in the pedestal and with the operating grip synchronous interaction of circuit breaker, and when operating mechanism can drive movable contact spring that the first movable contact plate makes one group of contact mechanism in two groups of contact mechanisms and connects first static contact, the movable contact spring that makes the second movable contact plate drive another group contact mechanism is connected with second static contact, locking mechanism is installed in the first movable contact plate is in the lock state when ordering about contact mechanism closure and disjunction, and locking mechanism is when the tripping mechanism of circuit breaker drives the circuit breaker disjunction, the contact mechanism of disjunction synchronously; Described switching mechanism includes change over switch and latch hook, and this latch hook is hinged in the pedestal one end can make the only ability and the first movable contact plate synchronous interaction under the situation that breaker tripping mechanism is threaded off of the second movable contact plate hanging to cooperate with the second movable contact plate hook under the adjusting of change over switch.

2. a kind of synchronous additional alarm contact according to claim 1, it is characterized in that described operating mechanism includes handle, reduction torsion spring and U type connecting rod, described locking mechanism includes snap close, tripping, torsion spring and extension spring, handle is hinged in the pedestal and reduction torsion spring is nested with on the jointed shaft of handle, and its two ends link to each other with handle with pedestal respectively; Described tripping is hinged on the end of the first movable contact plate, and U type connecting rod one end links to each other with tripping, and the other end links to each other with handle; Described snap close is hinged on the first movable contact plate and the tripping mechanism synchronous interaction by gangbar and circuit breaker, torsion spring is installed on the first movable contact plate, the one end compresses mutually with snap close snap close is cooperated with tripping phase hook all the time, the other end and the first movable contact plate fix, described extension spring is installed in first, second movable contact plate both sides, one end links to each other with first, second movable contact plate, and the other end links to each other with pedestal.

3. a kind of synchronous additional alarm contact according to claim 1 and 2, it is characterized in that described latch hook includes hook, the adjustable side that is angular distribution and the end of threading off, center at snap close is provided with hinge hole, this hinge hole is hinged with the bearing pin that is arranged on pedestal, on the end face on the described second movable contact plate, be provided with open recess, be provided with the boss that is barb-like on the sidewall of groove, described hook cooperates with the boss hook; Described change over switch includes adjusting portion and places the turn-knob portion at adjusting portion two ends, the turn-knob portion at two ends inserts on pedestal and the cover plate in the corresponding adjustment hole respectively and end face exposes outside the base and cover plate, the cross section of adjusting portion is 3/4ths circle shapes, the bottom of described adjustable side is arranged with top pressure spring, this top pressure spring one end and pedestal roof pressure mutually cooperate the adjustable side of latch hook all the time with the adjusting portion phase roof pressure of change over switch, described dropout end passes U type connecting rod and the hook and the boss of the second movable contact plate are separated.

4. a kind of synchronous additional alarm contact according to claim 3 is characterized in that being equipped with draw-in groove on described first, second movable contact plate, and the movable contact spring of two groups of contact mechanisms snaps in respectively in the draw-in groove of first, second movable contact plate; Be provided with jointed shaft in pedestal, be provided with axle sleeve on the first movable contact plate, axle sleeve is nested with on jointed shaft and is hinged with pedestal, and snap close is provided with through hole and this through hole and is nested with on axle sleeve and is hinged with the first movable contact plate; Be provided with latch at the second movable contact plate, one end, this latch inserts in the through hole of snap close and is hinged with snap close, is provided with block at the second movable contact plate other end, this block be arranged on the first movable contact plate sidewall on the mutually spacing cooperation of limiting stand.

5. a kind of synchronous additional alarm contact according to claim 4, it is characterized in that the described first movable contact plate is stepped has up and down both ends of the surface, on the upper surface, be provided with the open slot that communicates with the lower surface, torsion spring and guide vane end stop are arranged on the upper surface, axle sleeve is fixed on the lower surface, and tripping and lower surface are hinged, and is provided with on rectangular groove and the sidewall at the relative end of tripping hinged end and is provided with ratchet, U type connecting rod one end inserts in the rectangular groove, and the other end links to each other with handle; On described snap close outer wall, be provided with the feeler and the guide vane end stop of band barb, the barb of feeler blocks mutually with the ratchet of tripping makes snap close that tripping is locked, guide vane end stop places in the open slot, described gangbar is fixed on the guide vane end stop, the corresponding position that reaches cover plate on the second movable contact plate is provided with the deep-slotted chip breaker that is complementary with the gangbar rotational trajectory, and the deep-slotted chip breaker that gangbar is passed the second movable contact plate and cover plate links to each other with breaker tripping mechanism.

6. a kind of synchronous additional alarm contact according to claim 5, it is characterized in that on described pedestal, being positioned at handle one side and be provided with analog buttons, this analog buttons one end passes pedestal and places outside the pedestal, the other end place in the pedestal and the active force that can externally push down with the contact of snap close mutually roof pressure snap close and tripping are separated; Be provided with groove on analog buttons, described reduction torsion spring and pedestal an end of roof pressure mutually snap in analog buttons are separated with the snap close feeler under the external pressure effect all the time not having.

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