CN102610450B - Socket-type grounded faulty line breaker - Google Patents
Socket-type grounded faulty line breaker Download PDFInfo
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- CN102610450B CN102610450B CN201210024531.5A CN201210024531A CN102610450B CN 102610450 B CN102610450 B CN 102610450B CN 201210024531 A CN201210024531 A CN 201210024531A CN 102610450 B CN102610450 B CN 102610450B
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Abstract
The invention relates to a socket-type grounded faulty line breaker, which comprises a reset key, a reset mechanism, conductive components from a power supply input side to a loading side, a leakage signal detecting circuit and an electromagnetic tripping mechanism moved by the leakage signal detecting circuit, wherein the reset mechanism comprises a reset bracket and a bracket returning mechanism; and a reset linkage mechanism and a reset linkage engaging and disengaging mechanism are arranged between the reset key and the reset bracket. According to the invention, a short-circuit conductive sheet supported by an elastic piece is arranged on the reset piece so as to ensure contactor contacting pressure between a movable contactor and a static contactor; contacting reliability is enhanced; in addition, the breaker disclosed by the invention is also provided with a reverse-wiring protecting device composed of an electrically-controlled normally-closed reverse protecting switch, a reset key latch mechanism and a control circuit thereof; therefore, when a line is reverse, power supply cannot be output from a socket hole no matter at a tripping state or a state of pressing the reset key continuously.
Description
Technical field
The present invention relates to a kind of socket-type earthing fault line breaker.
Background technology
Socket-type earthing fault line breaker (referred to as GFCI) not only can, by the jack of upper cover for load provides power supply, can also, by load coupling assembling to connecting load supplying thereon, therefore be widely used.Current socket-type earthing fault line breaker concrete structure mostly comprises housing, leakaging signal detecting circuit and be subject to described leakaging signal detecting circuit control and the electromagnetic release mechanism that moves, reset key, resetting device, grounding assembly, power supply input side is to the conductive component of load-side, power supply input side to the conductive component of load-side comprises power supply input coupling assembling and load coupling assembling, load coupling assembling comprises wiring output precision and socket output precision, described resetting device comprises reset cradle, described reset cradle is under the effect of reset key and electromagnetic release mechanism, thereby a pair of moving contact in reset cradle control conductive component is switched on or switched off the electrical connection of power supply input coupling assembling to load end.But because a pair of moving contact of existing GFCI is arranged on the free end of pair of conductors in conductive component, the other end of conductor is what fix, requirement on machining accuracy to accessory is higher, the stability of product quality neither be desirable especially, therefore two moving contacts easily occur contacting insecure situation, cause socket-type earthing fault line breaker cisco unity malfunction.In addition; existing common GFCI due to power supply input coupling assembling and load coupling assembling closely similar; therefore often there will be and power line is connected to the anti-situation that connects with load installing and using in process; now; GFCI does not just possess creepage protection function and is only equivalent to a common socket, exists the hidden danger that causes the person and property damage because of electric shock.Therefore, have now socket-type earthing fault line breaker that many countries and regions require to sell have when appearance power line is connected with load coupling assembling connect anti-situation time, socket-type earthing fault line breaker can not reset, and in the time that reset key is forced to press, socket does not have power supply output yet, stop potential safety hazard, to ensure the person and property safety.
Summary of the invention
The object of the invention is to provides the contact of a kind of simple in structure, contact reliable and have a socket-type earthing fault line breaker of reverse wiring protection function for overcoming the deficiencies in the prior art.
The present invention for the adopted technical solution that achieves the above object as follows: a kind of socket-type earthing fault line breaker, comprise reset key and resetting device, power supply input side is to the conductive component of load-side, leakaging signal detecting circuit and be subject to leakaging signal detecting circuit control and the electromagnetic release mechanism that moves, described resetting device comprises reset cradle and support return mechanism, described reset cradle is in reset key, under the effect of support return mechanism and electromagnetic release mechanism, there is the primary importance of a reset mode and the second place of trip status, thereby the contact in described reset cradle control conductive component is switched on or switched off the electrical connection of power supply input side to load-side, described support return mechanism makes reset cradle have a trend of sliding to the second place, it is characterized in that: described conductive component comprises the power supply input coupling assembling of paired setting, short circuit conducting strip, wiring output precision and socket output precision, described socket output precision is provided with socket output fixed contact, between described short circuit conducting strip and socket output precision, being provided with the first short circuit conductor formation is electrically connected, described reset cradle both sides are all respectively provided with a draw-in groove, described a pair of short circuit conducting strip is fastened on respectively in the draw-in groove of reset cradle both sides slidably along the glide direction of reset cradle, described short circuit conducting strip is provided with conduction moving contact towards the one side of primary importance, the back side that is provided with conduction moving contact of described short circuit conducting strip is provided with support spring and forms resiliency supported, described paired power supply input coupling assembling, wiring output precision and socket output precision divide and are located at described reset cradle both sides, described power supply input coupling assembling is provided with input conduction fixed contact, the conduction moving contact of described input conduction fixed contact and described short circuit conducting strip is oppositely arranged, described reset cradle is slidably mounted in socket-type earthing fault line breaker, it is perpendicular that the glide direction of described reset cradle and reset key are pressed direction, between described reset key and reset cradle, be provided with reset key reply action and slide to reset cradle the reset link gear that primary importance slip links, and be provided with reset linkage clutch mechanism, the link gear that resets described in the control of described reset linkage clutch mechanism links in the time of reset of breaker, described electromagnetic release mechanism comprises bobbin and around electromagnetic trip coil, electromagnetic trip iron core and iron core return-spring thereon, described iron core return-spring and electromagnetic trip iron core gap are equipped with in bobbin centre bore, it is perpendicular that the glide direction of described electromagnetic trip iron core and reset key are pressed direction, and described reset key is provided with the reset lock mechanism coordinating with the end of electromagnetic trip iron core, described socket-type earthing fault line breaker is also provided with reverse wiring protective device, described reverse wiring protective device comprises electromagnetic generator, Electromagnetically actuated support, actuation support return mechanism and maintained switch, described Electromagnetically actuated support is provided with pair of conductive pole piece, it is relative with socket output fixed contact that described electric conduction electrode-plate one end is provided with moving contact, described actuation support return mechanism makes described electric conduction electrode-plate moving contact and socket output fixed contact in normally off, wiring output precision forms and is electrically connected with socket output precision through the second short circuit conductor and electric conduction electrode-plate, described in described electromagnetic generator control, Electromagnetically actuated support action disconnects described electric conduction electrode-plate moving contact and socket output fixed contact, the power branch two ends of described electromagnetic generator are connected across on wiring output precision, in described electromagnetic generator power branch, be also serially connected with normally closed reed switch, described maintained switch is often opened and is in parallel with reed switch, described reed switch and reset key interlock, described reed switch closure under trip status, reset mode and reseting procedure break, described maintained switch and the interlock of Electromagnetically actuated support, the opposite states of maintained switch operating state and described electric conduction electrode-plate moving contact and socket output fixed contact.
Beneficial effect is compared with prior art: the power supply that comprises paired setting due to the conductive component of socket-type earthing fault line breaker of the present invention is inputted coupling assembling, short circuit conducting strip, wiring output precision and socket output precision, short circuit conducting strip, pair of conductive pole piece on Electromagnetically actuated support, between wiring output precision and socket output precision composition, be provided with the first short circuit conductor and the electrical connection of the second short circuit conductor formation, therefore, usually conductive component is made up of two groups of conductors, between two groups of conductors, be electrically connected with the contacting of fixed contact on socket output precision by the moving contact on short circuit conducting strip, and short circuit conducting strip forms resiliency supported by spring, when reset, due to the effect of elastic supporting member for supporting optical member, moving contact is flexibly pressed on fixed contact, ensure contact contact, therefore contact resistance is less, simultaneously because short circuit conducting strip is resiliency supported, even the slightly deviation of conduction fixed contact setting position on both sides, short circuit conducting strip also can oneself be adjusted, self-adaptation, improve functional reliability.Simultaneously, by above-mentioned setting, in wiring under normal circumstances, when trip status, non-transformer on wiring output precision, the moving contact of described electric conduction electrode-plate and socket output fixed contact closure, when reset mode, because reed switch contact disconnects, electromagnetic generator power branch non-transformer, the moving contact of described electric conduction electrode-plate is same exports fixed contact closure with socket, and therefore conductive component is still made up of two groups of conductors, in the time occurring that circuit connects anti-situation, under trip status, due to the reed switch closing of contact, the electromagnetic generator power branch being connected on wiring output precision obtains power supply, controlling described Electromagnetically actuated support action disconnects described electric conduction electrode-plate moving contact and socket output fixed contact, power-off on socket output precision, makes non-transformer output in socket aperture, while, reset key was replied action and reset cradle slides to the reset link gear that primary importance slip links owing to being provided with between described reset key and reset cradle, and be provided with reset linkage clutch mechanism, the link gear that resets described in the control of described reset linkage clutch mechanism links in the time of reset of breaker, reset cradle slides to primary importance slip and resets and will reply action drive by reset key, in the time that continuing reset key to press, external force cannot reset, the moving contact that is to say electric conduction electrode-plate can not exported fixed contact closure with socket, therefore, occurring that circuit connects anti-in the situation that, no matter be taking off mouthful state or continuing to press under the state of reset key, power supply input side to the conductive component of load-side is all isolated into two sections, all non-transformer output in socket aperture, play and remind and reverse wiring protective effect, eliminate potential safety hazard.
Below in conjunction with by drawings and the specific embodiments, the invention will be further described.
Brief description of the drawings
Accompanying drawing 1 is specific embodiment of the invention stereoscopic schematic diagram;
Accompanying drawing 2 removes internal structure schematic diagram after upper cover for the specific embodiment of the invention;
Accompanying drawing 3 removes internal structure schematic diagram after upper cover, grounding assembly for the specific embodiment of the invention;
Accompanying drawing 4 removes internal structure schematic diagram after upper cover, pedestal for the specific embodiment of the invention;
Accompanying drawing 5 removes opposite side internal structure schematic diagram after upper cover, pedestal for the specific embodiment of the invention;
Accompanying drawing 6 goes internal structure schematic top plan view after upper cover, pedestal, ground connection iron for the specific embodiment of the invention;
Accompanying drawing 7 is specific embodiment of the invention resetting device and electromagnetic release mechanism perspective view;
Accompanying drawing 8 is specific embodiment of the invention resetting device and electromagnetic release mechanism opposite side perspective view;
Accompanying drawing 9 is reset cradle seat specific embodiment structural representation of the present invention;
Accompanying drawing 10 is another specific embodiment application schematic diagram of reset cradle seat of the present invention;
Accompanying drawing 11 goes internal structure schematic top plan view after upper cover for the specific embodiment of the invention;
Accompanying drawing 12 is center specific embodiment stereochemical structure vertical view of the present invention;
Accompanying drawing 13 is center specific embodiment stereochemical structure upward view of the present invention;
Accompanying drawing 14 is arranged on the schematic diagram in center for reset cradle of the present invention;
Accompanying drawing 15 is structural representation after specific embodiment of the invention resetting device and electromagnetic release mechanism removal reset cradle seat;
Accompanying drawing 16 is specific embodiment of the invention resetting device and electromagnetic release mechanism vertical view;
Accompanying drawing 17 is accompanying drawing 16 A-A cutaway views;
Accompanying drawing 18 is accompanying drawing 16 B-B cutaway views;
Accompanying drawing 19 removes vertical view after upper cover, pedestal for the specific embodiment of the invention;
Accompanying drawing 20 is accompanying drawing 19 C-C cutaway views;
Accompanying drawing 21 is accompanying drawing 19 D-D cutaway views;
Accompanying drawing 22 is specific embodiment of the invention reset key and reset slide block exploded perspective structural representation;
Accompanying drawing 23 is specific embodiment of the invention reset cradle structural representation;
Accompanying drawing 24 is another specific embodiment structural representation of reset cradle seat of the present invention;
Accompanying drawing 25 is specific embodiment of the invention circuit theory diagrams.
Embodiment
Socket-type earthing fault line breaker comprises reset key 4 and resetting device, power supply input side is to the conductive component of load-side, leakaging signal detecting circuit and be subject to leakaging signal detecting circuit control and the electromagnetic release mechanism 15 that moves, reset key 4 is provided with the reset lock mechanism coordinating with the end of electromagnetic trip iron core 151, between described reset key 4 and reset cradle 12, be provided with reset key reply action and slide to reset cradle 12 the reset link gear that primary importance slip links, and be provided with reset linkage clutch mechanism, the link gear that resets described in the control of described reset linkage clutch mechanism links in the time of reset of breaker.As Figure 1-3, in this specific embodiment, the rectangular body of socket-type earthing fault line breaker housing entirety, housing is made up of pedestal 1 and upper cover 2, on upper cover 2, be provided with two groups of socket apertures 3 and a reset key 4, a feeler switch 5, on pedestal 1, be provided with a center 6, described reset key 4 is provided with release link 14 vertically downward, reset key 4 and feeler switch 5 press direction for vertically downward, as shown in Fig. 3-6, described conductive component comprises the power supply input coupling assembling 7 of paired setting, short circuit conducting strip 8, wiring output precision 9 and socket output precision 10, between described short circuit conducting strip 8 and socket output precision 10, being provided with the first short circuit conductor 11 formations is electrically connected, as Fig. 7, 8 show, described resetting device comprises reset cradle 12 and support return mechanism, described reset cradle 12 is in reset key 4, under the effect of support return mechanism and electromagnetic release mechanism 15, there is the primary importance of a reset mode (being on-state) and the second place of trip status (being off-state), thereby the contact that described reset cradle 12 is controlled in conductive component is switched on or switched off the electrical connection of power supply input side to load-side.As Figure 4-Figure 6, described reset cradle 12 is slidably mounted in along the length direction of level and rectangular susceptor 1 in the pedestal 1 of socket-type earthing fault line breaker, an and side in the below of reset key 4 release link 14, it is perpendicular that the glide direction of reset cradle 12 and reset key 4 are pressed direction, as shown in figure 23, described reset cradle 12 entirety are four prism type, described draw-in groove 120 is made up of the perforation line of rabbet joint parallel with reset cradle 12 glide directions, described draw-in groove 120 is arranged on described reset cradle 12 both upper ends thereof, near the both sides on the long limit of housing, described a pair of short circuit conducting strip 8 is plugged in respectively in the draw-in groove 120 of both sides.Described short circuit conducting strip 8 is that bar shaped sheet material forms, and adopts copper material to make, the cross section of described short circuit conducting strip 8 and draw-in groove 120 matched in clearance, and as shown in Figure 8,90 ° of described short circuit conducting strip 8 one end are bent into downwards
﹁shape, is fastened in corresponding draw-in groove 120 and makes its glide direction along reset cradle 12 slidably to described short circuit conducting strip 8 transverse part matched in clearance.In this specific embodiment, between short circuit conducting strip 8 and socket output precision 10, being provided with flexible conductor is electrically connected, flexible conductor is the first short circuit conductor 11, short circuit conducting strip 8 parts bending down are provided with conduction moving contact 801 towards primary importance one side upper end, and being provided with on short circuit conducting strip 8 is provided with support spring 25 between the conduction back side of moving contact 801 and the side of reset cradle 12 and does resiliency supported.As shown in figure 22, described reset key 4 is provided with release link 14 vertically downward, and reset key 4 can be integrated setting with release link 14, in this specific embodiment, release link 14 tops are divided into plastic cylinder, and lower part adopts sheet metal punching to form, and release link 14 tops are arranged with key back-moving spring 17.Release link 14 lower ends are through center 6, and key back-moving spring 17 upper ends are against in reset key 4, and lower end is against on center 6, make reset key 4 have a power upwards to form resetting device.In the middle of described reset slide block 22, be provided with the cylindrical member of axially extending bore, the upper surface of reset slide block 22 is provided with spring cavity volume 220, Compress Spring 24 and reset slide block 22 are movably set in release link 14 successively, Compress Spring 24 lower ends are placed in spring cavity volume 220 and are against reset slide block 22 upper surfaces, Compress Spring 24 upper ends are pressed on and on center 6 lower planes, form the described reset slide block 22 resetting devices slide block 22 that makes to reset and have a power that slides to reset key and press direction, on described reset slide block 22, be provided with triangular bump 141 near release link 14 1 sides, the upper end of projection 141 is provided with outstanding inclined-plane 142, the direction (obliquely upward) that described inclined-plane 142 directions are tiltedly replied towards reset key 4, position corresponding with outstanding inclined-plane 142 on described reset cradle 12 is provided with reset inclined-plane 121, on the movement locus of described reset inclined-plane 121 in outstanding inclined-plane 142, described reset inclined-plane 121 is relative with described outstanding inclined-plane and gradient is corresponding (oliquely downward), form thus between described reset slide block 22 and release link 14 and be provided with reset link gear.Certainly projection 141 can be also other shapes, as long as have the inclined-plane matching with reset inclined-plane 121 sloped sidewalls.The effect of reset slide block 22 resetting devices is under the state of threading off, and the outstanding inclined-plane 142 of avoiding resetting on slide block 22 interacts with the reset inclined-plane 121 of reset cradle 12 and power supply input side to the conductive component of load-side cannot be isolated to power-off.For reset cradle 12 can smoothly stably be slided, this socket-type earthing fault line breaker is also provided with reset cradle seat 20, between described reset cradle and reset cradle seat, is provided with guiding mechanism.As Figure 7-9, described reset cradle seat 20 is the hollow, rectangular body being surrounded by four upstanding sidewalls substantially, reset slide block 22 is placed in one, described reset cradle seat 20 cavity shapes and reset slide block 22 gaps match and play the guide effect to reset slide block 22 simultaneously, described reset cradle seat 20 bottoms are provided with card base and fix at pedestal 1 intracavity bottom, reset cradle seat 20 wall tops are provided with horizontal planing surface, described horizontal planing surface is provided with a pair of " ┓ " shape guide card 201 near one end of reset cradle 12 second places, described reset cradle 12 be slidably disposed on reset cradle seat top planing surface and " ┓ " between shape guide card 201, the both sides on described reset cradle 12 reset inclined-planes, side 121 are respectively provided with the gathering sill 122 matching with guide card 201 gaps, described a pair of " ┓ " shape guide card 201 forms the described guiding mechanism to reset cradle 12 in gathering sill 122, the other end of described horizontal planing surface is provided with spacing block piece 202 and carries out spacing to described reset cradle 12, prevent reset cradle 12 slippages, spacing block piece 202 main bodys are long strip-board shape, described reset cradle seat 20 the above horizontal planing surface are provided with a pair of vertical slot 203 matching with it near one end of reset cradle 12 primary importances, described spacing block piece 202 matched in clearance ground insert wherein, it is spacing that formation is exposed in upper end, between described spacing block piece 202 upper ends and described reset cradle 12, being provided with support back-moving spring 13 makes reset cradle 12 have a power formation support return mechanism that slides to the second place.As Figure 22, shown in 24, the corresponding position of movement locus that described reset slide block 22 lateral walls are pressed with reset key 4 with described reset locking hole 401 is provided with the interlock hole 143 connecting to endoporus, 143 apertures, described interlock hole and electromagnetic trip iron core 151 matched in clearance, described electromagnetic release mechanism 15 is arranged on reset cradle seat 20 sides, near the middle part on pedestal 1 long limit, electromagnetic release mechanism 15 comprises tripping coil frame 154 and around electromagnetic trip coil 152 thereon, electromagnetic trip iron core 151 and iron core return-spring 153, the glide direction of described electromagnetic trip iron core 151 becomes to be horizontally disposed with release link 14 perpendicular, reset locking hole 401 below foldings have an inclined-plane 402, the incline direction on described inclined-plane will meet in the time that release link 14 resets move down, can make electromagnetic trip iron core 151 retreat, reset locking hole 401 is arranged on the top on inclined-plane 402, electromagnetic trip iron core 151 is multidiameter shape, after sheathed upper core back-moving spring 153, be inserted in slidably tripping coil frame 154 central shaft holes from close release link 14 one end, electromagnetic trip iron core 151 front ends expose and become dome shape, movement locus when press with reset key 4 in described reset locking hole 401 is crossing with the center line of described electromagnetic trip iron core 151, reset locking hole 401 coordinates formation reset lock mechanism with the tip clearance of electromagnetic trip iron core 151, the corresponding position of movement locus that described reset slide block 22 lateral walls are pressed with reset key 4 with described reset locking hole 401 is provided with the interlock hole 143 connecting to endoporus, 143 apertures, described interlock hole and electromagnetic trip iron core 151 matched in clearance, described electromagnetic trip iron core 151 swinging ends form described reset linkage clutch mechanism in interlock hole 143, under trip status, described electromagnetic trip iron core 151 axle center are relative with inclined-plane 402 or its below of release link 14 bottoms, described electromagnetic trip iron core 151 is under the elastic force effect of iron core return-spring 153, front end is against in the lower bevel 402 or its below of release link 14, but the distance of the center line of reset locking hole 401 and electromagnetic trip iron core 151 is not more than the stroke of reset key 4.In interlock hole 143, be the recovery stroke in order to meet reset key 4 by described electromagnetic trip iron core 151 swinging ends, and drive described reset cradle 12 to reset by the ramp effect between described reset inclined-plane 121 and described outstanding inclined-plane, for this reason, in the present embodiment, as shown in Figure 18,20, tripping coil frame 154 central shaft holes are designed to taper, and towards the one end in reset locking hole 401, diameter is larger, and central shaft hole also can be designed to fan-shaped die cavity.Tripping coil frame 154 is outer preferably covers upper tripping coil radome again to reduce electromagnetic-wave leakage.Reverse wiring protective device comprises electromagnetic generator 161, Electromagnetically actuated support 162 and actuation support return mechanism and maintained switch 23, described Electromagnetically actuated support 162 is provided with pair of conductive pole piece 164, 165, described electric conduction electrode- plate 164, 165 one end are provided with moving contact 166, 167 export fixed contact 105 with socket, 106 relative (being K3 in accompanying drawing 25), described actuation support return mechanism makes described electric conduction electrode- plate moving contact 166, 167 export fixed contact 105 with socket, 106 in normally off, described electromagnetic generator 161 is controlled described Electromagnetically actuated support 162 actions and is made described electric conduction electrode- plate moving contact 166, 167 export fixed contact 105 with socket, 106 disconnect, as shown in figure 21, in this specific embodiment, the solenoid that described electromagnetic generator 161You center is provided with iron core forms, described electromagnetic generator 161 is arranged on the one end near wiring output precision 9, described electromagnetic generator 161 power branch are that after solenoid is connected with normally closed reed switch 18, two ends are connected across on wiring output precision 9, described reed switch 18 links with reset key 4, in the time again resetting after normal dropout, reset key 4 disconnects reed switch 18, electromagnetic generator 161 power branch power-off, make described electric conduction electrode- plate moving contact 166, 167 export fixed contact 105 with socket, 106 remain in normally off, described Electromagnetically actuated support 162 is made up of insulation board, pair of conductive pole piece 164, 165 are clipped in insulation board, electric conduction electrode- plate 164, 165 can make Z-shapedly, are conducive to improve elasticity, increase contact reliability, and insulation board middle part is provided with fulcrum and becomes seesaw structure to be arranged on the top of described electromagnetic generator 161, the below of center 6, is also provided with armature and iron core close neighbour and arranges, described pair of conductive pole piece 164 on insulation board, 165 one end extend to respectively a left side, right socket pole piece 101, a left side on 102, right still 103, 104 below, electric conduction electrode- plate 164, 165 end moving contact 166, 167 export fixed contact 105 with socket, 106 is relative, in this specific embodiment, is provided with extension spring 19 and forms described actuation support return mechanism on described Electromagnetically actuated support 162 between the opposite side of fulcrum and electromagnetic generator 161 fixed mount one end, makes described electric conduction electrode- plate moving contact 166, 167 upwarp and socket output fixed contact 105, 106 contact keeps normally closed, described pair of conductive pole piece 164, between 165 other ends and wiring output precision 9, be provided with the second short circuit conductor 21 formations and be electrically connected, power supply input side to the conductive component of load-side is under normal circumstances made up of two groups of conductors, one group is power supply input coupling assembling 7, and another group is short circuit conducting strip 8, socket output precision 10, electric conduction electrode-plate, short circuit conductor and wiring output precision 9, the first short circuit conductors 11 and the second short circuit conductor 21 are selected the flexible conductor of thin copper wire braiding conventionally.In this specific embodiment, described reed switch 18 is arranged on pedestal 1 bottom, the conductive reed that is provided with contact by pair of end portions forms, two conductive reeds arrange one on the other, the conductive reed end of below is in release link 14 lower ends, pedestal 1 bottom is provided with through hole in relative position, release link 14 lower ends, and release link 14 lower ends are faced the described reed switch 18 of formation through the conductive reed end subsides of described through hole and below and linked with reset key 4.Described maintained switch 23 is arranged in parallel with reed switch 18, described maintained switch 23 is normal open switch, with Electromagnetically actuated support interlock, the opposite states of maintained switch 23 operating states and described electric conduction electrode-plate moving contact and socket output fixed contact, if i.e. described electric conduction electrode-plate moving contact and socket output fixed contact closure, described maintained switch 23 disconnects, if described electric conduction electrode-plate moving contact and socket output fixed contact disconnect, and described maintained switch 23 closures.As Fig. 6, shown in 7, S3 in the 23(of maintained switch described in this specific embodiment accompanying drawing 25) the employing structure identical with reed switch 18, the conductive reed that is equally provided with contact by pair of end portions forms, the relative close neighbour in contact of two conductive reed ends is arranged to normal open form formula, described maintained switch 23 is fixed on reset cradle seat 20 sidewalls in Electromagnetically actuated support 162 fronts and in the track swinging in Electromagnetically actuated support 162, the adhesive under electromagnetic generator 161 electromagnetic forces of Electromagnetically actuated support 162 makes described electric conduction electrode- plate moving contact 166, 167 export fixed contact 105 with socket, when 106 disconnection, Electromagnetically actuated support 162 is touched a side reed of maintained switch 23 and is drawn close to opposite side reed, make maintained switch 23 closures, make the situation Xia Ye UNICOM that now described electromagnetic generator 161 power branch disconnect at reed switch 18.As shown in Fig. 3-6, described socket output precision 10 is by a left side, the socket pole piece 101 of right two conductions, 102 form, on center 6, both sides are respectively provided with caulking groove, left, right socket pole piece 101, 102 are inserted in respectively in caulking groove and make it be provided with the both sides of draw-in groove 120 in reset cradle 12, left, right socket pole piece 101, 102 two ends form respectively the intermediate plate matching with plug, two groups of socket apertures 3 that are provided with on the position of intermediate plate and upper cover 2 adapt, on described socket output precision 10, be also provided with socket output fixed contact 105, 106, in this specific embodiment, left, right socket pole piece 101, 102 are respectively equipped with a left side of extending to pedestal 1 center, right still 103, 104, socket output fixed contact 105, 106 are arranged on a left side, right still 103, on 104.Wiring output precision 9 is made up of two conductive connection sheets 901,902 and screw 903,904, two conductive connection sheets 901,902 are plugged in respectively on pedestal 1 both sides inwall, and on pedestal 1 two side, the position of corresponding conductive connection sheet 901,902 is provided with breach and exposes conductive connection sheet 901,902.Power supply input coupling assembling 7 structures and wiring output precision 9 are similar, also be plugged on the inwall of pedestal 1 other end both sides, (can be to be also formed by connecting by two sections of conductors) be extended near short circuit conducting strip 8 lower ends through mutual inductance magnet ring in one end of power supply input coupling assembling 7, and it is relative with conduction moving contact 801 to be provided with power supply input conduction fixed contact 701,702.This structure of short circuit conducting strip 8 makes resetting device short circuit conducting strip 8 under reset mode be provided with resiliency supported at conduction moving contact 801 rear sides, therefore, even if power supply input conduction fixed contact 701,702 is not exclusively in same plane, short circuit conducting strip 8 also can be adjusted adaptation automatically, to guarantee reliable contact.
For ease of assembly, described reset cradle seat 20 can also be only provided with horizontal planing surface and " ┓ " shape guide card is not set, and all the other structures are identical with previous embodiment, as shown in figure 24.Described reset cradle 12 is slidably disposed on the below on the planing surface at reset cradle seat 20 tops and in center 6, as shown in Figure 12-14, the lower surface of center 6 is provided with the sliding chamber 601 of cavity formation support that reset cradle 12 matches, the top of reset cradle 12 is in the sliding chamber 601 of described support, the two ends, top of reset cradle 12 are provided with horizontal convex tendon, the two side relative with horizontal convex tendon, the sliding chamber of support is provided with the horizontal groove 602 matching, and horizontal convex tendon and horizontal groove 602 matched in clearance form guiding mechanism.
In addition, in reset lock mechanism, the reset locking hole 401 of matching with electromagnetic trip iron core 151 in reset key 4 is not unique structure, also can be to adopt the mode that is provided with outstanding reset barb 403 on release link 14 relevant positions, reset barb 403 can be to make by the mode of punching, as shown in figure 17.
The operation principle of this socket-type earthing fault line breaker is as follows: the circuit theory diagrams of this socket-type earthing fault line breaker as shown in Figure 25, socket-type earthing fault line breaker is under initial condition, reset key 4 under the elastic force effect of key back-moving spring 17 in a state of nature, now, reset slide block 22 glides and departs from reset cradle 12 under the effect of reset slide block 22 resetting devices (being Compress Spring 24), the outstanding inclined-plane 142 that makes to reset on slide block 22 fails to act on mutually with the inclined-plane 121 that resets, electromagnetic trip iron core 151 is under the elastic force effect of iron core return-spring 153, front end is against the below in reset locking hole 401 through the interlock hole 143 of reset slide block 22, reset cradle 12 slides to the second place under the elastic force effect of support back-moving spring 13, contact is in trip status (being off-state), in the time that Manual press reset key 4 resets, now, the elastic force that pressure overcomes key back-moving spring 17 moves down reset key 4, meanwhile, the front end of electromagnetic trip iron core 151 makes electromagnetic trip iron core 151 retreat under the effect on inclined-plane, and slip in reset locking hole 401, move on together with release link 14 when removing after external force under the elastic force effect at key back-moving spring 17 reset key 4, because the front end of electromagnetic trip iron core 151 is to be inserted in reset locking hole 401 through the interlock hole 143 of reset slide block 22, therefore, reset slide block 22 and release link 14 form interlock and together with on move, on this, move past in journey, outstanding inclined-plane 142 on reset slide block 22 acts on mutually with reset inclined-plane 121, overcome the elastic force of support back-moving spring 13, promotion reset cradle 12 slides to primary importance and makes power supply input conduction fixed contact 701, 702 with K1 in the conduction moving contact 801(accompanying drawing 25 of short circuit conducting strip 8) contact and in reset mode (being on-state), S2 in reed switch 18(accompanying drawing 25 simultaneously) under the ejection of release link 14 ends, disconnect, in the time leakage current having been detected, leakaging signal detecting circuit moves electromagnetic release mechanism 15, be that electromagnetic trip iron core 151 bounces back under the effect of electromagnetic force, end departs from reset locking hole 401, release link 14 is moved on reset key 4 is under the elastic force effect of key back-moving spring 17, reset slide block 22 glides and departs from reset cradle 12 in a state of nature under the effect of reset slide block 22 resetting devices (being Compress Spring 24), reset cradle 12 slides to the second place under the elastic force effect of support back-moving spring 13 simultaneously, contact is in trip status (being off-state), socket output precision 10 and 9 power-off of wiring output precision, reach earth leakage protective object.
Under trip status, in the time occurring that circuit connects anti-situation, because reed switch 18(is now S2 in accompanying drawing 25) closing of contact, being connected on T4 in the electromagnetic generator 161(accompanying drawing 25 on wiring output precision 9) power branch obtains power supply, control described Electromagnetically actuated support 162 actions and make described electric conduction electrode- plate 164, 165 moving contacts (K2 in accompanying drawing 25) and socket output fixed contact 105, 106 disconnect, power-off on socket output precision, make non-transformer output in socket aperture, play and remind and reverse wiring protective effect, eliminate potential safety hazard, simultaneously Electromagnetically actuated support 162 is touched S3 in maintained switch 23(accompanying drawing 25) a side reed draw close to opposite side reed, make S3 in maintained switch 23(accompanying drawing 25) closure, in the time that external force continues reset key 4 to press, also due to S3 in maintained switch 23(accompanying drawing 25) still closed, being connected on T4 in the electromagnetic generator 161(accompanying drawing 25 on wiring output precision 9) power branch still can obtain power supply, control described Electromagnetically actuated support 162 actions and make described electric conduction electrode- plate 164, 165 moving contacts (K2 in accompanying drawing 25) and socket output fixed contact 105, 106 disconnect, still non-transformer output on socket output precision, still can play and remind and reverse wiring protective effect.
Claims (10)
1. a socket-type earthing fault line breaker, comprise reset key and resetting device, power supply input side is to the conductive component of load-side, leakaging signal detecting circuit and be subject to leakaging signal detecting circuit control and the electromagnetic release mechanism that moves, described resetting device comprises reset cradle and support return mechanism, described reset cradle is in reset key, under the effect of support return mechanism and electromagnetic release mechanism, there is the primary importance of a reset mode and the second place of trip status, thereby the contact in described reset cradle control conductive component is switched on or switched off the electrical connection of power supply input side to load-side, described support return mechanism makes reset cradle have a trend of sliding to the second place, it is characterized in that: described conductive component comprises the power supply input coupling assembling of paired setting, short circuit conducting strip, wiring output precision and socket output precision, described socket output precision is provided with socket output fixed contact, between described short circuit conducting strip and socket output precision, being provided with the first short circuit conductor formation is electrically connected, described reset cradle both sides are all respectively provided with a draw-in groove, described a pair of short circuit conducting strip is fastened on respectively in the draw-in groove of reset cradle both sides slidably along the glide direction of reset cradle, described short circuit conducting strip is provided with conduction moving contact towards the one side of primary importance, the back side that is provided with conduction moving contact of described short circuit conducting strip is provided with support spring and forms resiliency supported, described paired power supply input coupling assembling, wiring output precision and socket output precision divide and are located at described reset cradle both sides, described power supply input coupling assembling is provided with input conduction fixed contact, the conduction moving contact of described input conduction fixed contact and described short circuit conducting strip is oppositely arranged, described reset cradle is slidably mounted in socket-type earthing fault line breaker, it is perpendicular that the glide direction of described reset cradle and reset key are pressed direction, between described reset key and reset cradle, be provided with reset key reply action and slide to reset cradle the reset link gear that primary importance slip links, and be provided with reset linkage clutch mechanism, the link gear that resets described in the control of described reset linkage clutch mechanism links in the time of reset of breaker, described electromagnetic release mechanism comprises bobbin and around electromagnetic trip coil, electromagnetic trip iron core and iron core return-spring thereon, described iron core return-spring and electromagnetic trip iron core gap are equipped with in bobbin centre bore, it is perpendicular that the glide direction of described electromagnetic trip iron core and reset key are pressed direction, and described reset key is provided with the reset lock mechanism coordinating with the end of electromagnetic trip iron core, described socket-type earthing fault line breaker is also provided with reverse wiring protective device, described reverse wiring protective device comprises electromagnetic generator, Electromagnetically actuated support, actuation support return mechanism and maintained switch, described Electromagnetically actuated support is provided with pair of conductive pole piece, it is relative with socket output fixed contact that described electric conduction electrode-plate one end is provided with moving contact, described actuation support return mechanism makes described electric conduction electrode-plate moving contact and socket output fixed contact in normally off, wiring output precision forms and is electrically connected with socket output precision through the second short circuit conductor and electric conduction electrode-plate, described in described electromagnetic generator control, Electromagnetically actuated support action disconnects described electric conduction electrode-plate moving contact and socket output fixed contact, the power branch two ends of described electromagnetic generator are connected across on wiring output precision, in described electromagnetic generator power branch, be also serially connected with normally closed reed switch, described maintained switch is often opened and is in parallel with reed switch, described reed switch and reset key interlock, described reed switch closure under trip status, reset mode and reseting procedure break, described maintained switch and the interlock of Electromagnetically actuated support, the opposite states of maintained switch operating state and described electric conduction electrode-plate moving contact and socket output fixed contact.
2. socket-type earthing fault line breaker according to claim 1, it is characterized in that: described reset key is provided with release link vertically downward, described reset link gear comprises the reset slide block and the reset slide block resetting-mechanism that are movably set in release link, the described reset slide block resetting-mechanism slide block that makes to reset has a power that slides to reset key and press direction, described reset cradle is arranged on release link one side, in described release link, be provided with outstanding inclined-plane near reset slide block one side, the direction that described bevel direction is tiltedly replied towards reset key, on described reset cradle, the position corresponding with outstanding inclined-plane is provided with reset inclined-plane, on the movement locus of described reset inclined-plane in outstanding inclined-plane, described reset inclined-plane is relative with described outstanding inclined-plane and gradient is corresponding, between described reset slide block and release link, be provided with reset link gear.
3. socket-type earthing fault line breaker according to claim 2, it is characterized in that: the direction of motion that one end of the close release link of described electromagnetic trip iron core can be pressed along reset key swings and arranges, the release link of described reset key is provided with reset locking hole, the movement locus that press with reset key in described reset locking hole is crossing with the center line of described electromagnetic trip iron core, the below in described reset locking hole is provided with the inclined-plane matching with electromagnetic trip core ends, and reset locking hole coordinates with the tip clearance of electromagnetic trip iron core and forms thus described reset lock mechanism; The corresponding position of movement locus that described reset slide block lateral wall is pressed with reset key with described reset locking hole is provided with the interlock hole connecting to endoporus, aperture, described interlock hole coordinates with electromagnetic trip iron core gap, and described electromagnetic trip iron core swinging end forms described reset linkage clutch mechanism in interlock hole.
4. socket-type earthing fault line breaker according to claim 3, it is characterized in that: the rectangular body of housing entirety of described socket-type earthing fault line breaker, described reset cradle is slidably mounted in the below of reset key in socket-type earthing fault line breaker along the length direction of level and housing, described reset cradle entirety is four prism type, described draw-in groove is made up of the perforation line of rabbet joint parallel with reset cradle glide direction, described draw-in groove is arranged on described reset cradle both upper ends thereof, near the both sides on the long limit of housing, described a pair of short circuit conducting strip is plugged in respectively in the draw-in groove of both sides, described reset inclined-plane is arranged on reset cradle middle part towards oblique below, described reset slide block is the cylindrical member that is axially arranged with inner through hole, described reset space of slider engage sleeves is located in the release link of reset key, the upper surface of described reset slide block forms described reset slide block resetting-mechanism to being provided with Compress Spring, described reset slide block is provided with projection towards a side of reset cradle, described projection upside be provided with towards reset key reply party to inclined-plane form described outstanding inclined-plane, described electromagnetic release mechanism is arranged on reset cradle side, near the middle part on the long limit of housing, the glide direction of described electromagnetic trip iron core becomes to be horizontally disposed with, to press direction perpendicular with reset key, under trip status, the inclined-plane of described electromagnetic trip iron core axle center and below, reset locking hole aligns, the conductive reed that described reed switch is provided with contact by pair of end portions forms, two conductive reeds arrange one on the other, and the conductive reed end of below forms described reed switch and reset key interlock near release link lower surface.
5. socket-type earthing fault line breaker according to claim 4, it is characterized in that being provided with reset cradle seat, described reset cradle is roughly the rectangular drum like member being surrounded by four upstanding sidewalls, described reset slide block is placed in the inner chamber of reset cradle seat, the inner chamber of described reset cradle seat coordinates with described reset space of slider, described reset cradle seat top is provided with horizontal planing surface, described reset cradle is slidably disposed on the below on the planing surface at reset cradle seat top and in center, the lower surface of center is provided with the sliding chamber of cavity formation support that reset cradle matches, the top of reset cradle is in the sliding chamber of described support, the two ends, top of reset cradle are provided with horizontal convex tendon, the two side relative with horizontal convex tendon, the sliding chamber of support is provided with the horizontal groove matching, horizontal convex tendon and horizontal groove matched in clearance form guiding mechanism.
6. socket-type earthing fault line breaker according to claim 2, it is characterized in that: the direction of motion that one end of the close release link of described electromagnetic trip iron core can be pressed along reset key swings and arranges, the release link of described reset key is provided with outstanding reset barb, the movement locus that described reset barb is pressed with reset key is crossing with the center line of described electromagnetic trip iron core, the below of described reset barb is provided with the inclined-plane matching with electromagnetic trip core ends, and reset barb coordinates with the tip clearance of electromagnetic trip iron core and forms thus described reset lock mechanism; The corresponding position of movement locus that described reset slide block lateral wall is pressed with reset key with described reset barb is provided with the interlock hole connecting to endoporus, aperture, described interlock hole coordinates with electromagnetic trip iron core gap, and described electromagnetic trip iron core swinging end forms described reset linkage clutch mechanism in interlock hole.
7. socket-type earthing fault line breaker according to claim 6, it is characterized in that: the rectangular body of housing entirety of described socket-type earthing fault line breaker, described reset cradle is slidably mounted in the below of reset key in socket-type earthing fault line breaker along the length direction of level and housing, described reset cradle entirety is four prism type, described draw-in groove is made up of the perforation line of rabbet joint parallel with reset cradle glide direction, described draw-in groove is arranged on described reset cradle both upper ends thereof, near the both sides on the long limit of housing, described a pair of short circuit conducting strip is plugged in respectively in the draw-in groove of both sides, described reset inclined-plane is arranged on reset cradle middle part towards oblique below, described reset slide block is the cylindrical member that is axially arranged with inner through hole, described reset space of slider engage sleeves is located in the release link of reset key, the upper surface of described reset slide block forms described reset slide block resetting-mechanism to being provided with Compress Spring, described reset slide block is provided with projection towards a side of reset cradle, described projection upside be provided with towards reset key reply party to inclined-plane form described outstanding inclined-plane, described electromagnetic release mechanism is arranged on reset cradle side, near the middle part on the long limit of housing, the glide direction of described electromagnetic trip iron core becomes to be horizontally disposed with, to press direction perpendicular with reset key, under trip status, the inclined-plane of described electromagnetic trip iron core axle center and reset barb below aligns, the conductive reed that described reed switch is provided with contact by pair of end portions forms, two conductive reeds arrange one on the other, and the conductive reed end of below forms described reed switch and reset key interlock near release link lower surface.
8. socket-type earthing fault line breaker according to claim 7, it is characterized in that being provided with reset cradle seat, described reset cradle is roughly the rectangular drum like member being surrounded by four upstanding sidewalls, described reset slide block is placed in the inner chamber of reset cradle seat, the inner chamber of described reset cradle seat coordinates with described reset space of slider, described reset cradle seat top is provided with horizontal planing surface, reset cradle arranges on horizontal planing surface, described horizontal planing surface one end is provided with ┓ shape guide card, described reset cradle is slidably disposed between the planing surface and ┓ shape guide card at reset cradle seat top, described reset cradle side is provided with the gathering sill matching with guide card gap, described guide card forms described guiding mechanism in gathering sill, the other end of described horizontal planing surface is provided with spacing block piece and carries out spacing to described reset cradle, prevent reset cradle slippage, between described reset cradle and reset cradle seat, be provided with guiding mechanism.
9. socket-type earthing fault line breaker according to claim 7, it is characterized in that being provided with reset cradle seat, described reset cradle is roughly the rectangular drum like member being surrounded by four upstanding sidewalls, described reset slide block is placed in the inner chamber of reset cradle seat, the inner chamber of described reset cradle seat coordinates with described reset space of slider, described reset cradle seat top is provided with horizontal planing surface, reset cradle arranges on horizontal planing surface, the other end of described horizontal planing surface is provided with spacing block piece and carries out spacing to described reset cradle, prevent reset cradle slippage, between described reset cradle and reset cradle seat, be provided with guiding mechanism.
10. socket-type earthing fault line breaker according to claim 1, it is characterized in that: the solenoid that described electromagnetic generator is provided with iron core by center forms, described Electromagnetically actuated support is made up of insulation board, pair of conductive pole piece is clipped in insulation board, insulation board middle part is provided with fulcrum and becomes seesaw structure to be arranged on the top of described electromagnetic generator, on insulation board, being also provided with armature and iron core close neighbour arranges, described pair of conductive pole piece one end extends to respectively a left side, a left side on right socket pole piece, the below of right still, the end moving contact of electric conduction electrode-plate is relative with socket output fixed contact, on described Electromagnetically actuated support, between the opposite side of fulcrum and electromagnetic generator fixed mount one end, be provided with extension spring and form described actuation support return mechanism, described electric conduction electrode-plate moving contact is upwarped with socket output fixed contact to contact and keeps normally closed, the conductive reed that described maintained switch is provided with contact by pair of end portions forms, the relative close neighbour in contact of two conductive reed ends is arranged to normal open form formula, described maintained switch is fixed in the track that Electromagnetically actuated bracket end swings, and makes described maintained switch and Electromagnetically actuated be configured to interlock.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210024531.5A CN102610450B (en) | 2012-02-04 | 2012-02-04 | Socket-type grounded faulty line breaker |
| US13/469,342 US8779875B2 (en) | 2011-07-18 | 2012-05-11 | Receptacle type ground fault circuit interrupter with reverse wire protection |
| US13/646,622 US8847712B2 (en) | 2011-07-18 | 2012-10-28 | Receptacle type ground fault circuit interrupter with reverse wire protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210024531.5A CN102610450B (en) | 2012-02-04 | 2012-02-04 | Socket-type grounded faulty line breaker |
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| CN102610450A CN102610450A (en) | 2012-07-25 |
| CN102610450B true CN102610450B (en) | 2014-07-02 |
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| CN201210024531.5A Active CN102610450B (en) | 2011-07-18 | 2012-02-04 | Socket-type grounded faulty line breaker |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204651264U (en) | 2015-06-04 | 2015-09-16 | 陈泽 | A kind of ground-fault interrupter |
| CN105590807B (en) * | 2015-12-26 | 2018-05-08 | 陈泽 | A kind of compact ground-fault interrupter |
| US10476252B2 (en) | 2016-09-19 | 2019-11-12 | Ze Chen | Arc fault circuit interrupter (AFCI) with arc signature detection |
| CN107359094B (en) * | 2017-07-14 | 2019-07-23 | 张家港市佰瑞普电器科技有限公司 | A kind of ground fault earth leakage protective device and resetting-mechanism therein |
| CN108400068B (en) * | 2018-03-23 | 2023-10-03 | 宁波城市职业技术学院 | Wiring early warning type low-voltage circuit breaker and control method thereof |
| CN113759156B (en) * | 2021-10-11 | 2024-03-15 | 国网上海市电力公司 | Power metering box and use method thereof |
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| CN101047294A (en) * | 2006-03-31 | 2007-10-03 | 黄华道 | Leakage protection socket |
| CN2909508Y (en) * | 2006-06-23 | 2007-06-06 | 陈贵 | GFCI with service life end indicating function |
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Application publication date: 20120725 Assignee: Huizhou confidence Electrical Appliance Manufacturing Co., Ltd. Assignor: Chen Ze Contract record no.: 2015440000180 Denomination of invention: Socket type ground fault circuit interrupter Granted publication date: 20140702 License type: Exclusive License Record date: 20150601 |
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