CN108155067B - Electric leakage circuit breaker with disconnectable live wire and zero line - Google Patents
Electric leakage circuit breaker with disconnectable live wire and zero line Download PDFInfo
- Publication number
- CN108155067B CN108155067B CN201810106450.7A CN201810106450A CN108155067B CN 108155067 B CN108155067 B CN 108155067B CN 201810106450 A CN201810106450 A CN 201810106450A CN 108155067 B CN108155067 B CN 108155067B
- Authority
- CN
- China
- Prior art keywords
- moving contact
- pole
- mounting frame
- base
- mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000004880 explosion Methods 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000008094 contradictory effect Effects 0.000 claims description 4
- 230000009191 jumping Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000003068 static effect Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0221—Majority of parts mounted on central frame or wall
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Breakers (AREA)
Abstract
The invention relates to an electric leakage breaker, in particular to an electric leakage breaker with a disconnectable live wire and a disconnectable zero wire. The invention adopts the following technical scheme: an electric leakage circuit breaker that live wire and zero line all can break off, its characterized in that: the circuit breaker is characterized in that a first mounting frame and a second mounting frame are respectively arranged on the front side and the rear side of the middle seat, a base, the middle seat, an upper cover, the first mounting frame and the second mounting frame form a shell of the circuit breaker, a connecting wire between the circuit board and the tripping device passes through a spacing part between the first mounting frame and the base, a gap is arranged below the second mounting frame, a magnetic ring is arranged at the gap, and a zero line penetrating hole is formed between the base and the upper cover and at the corresponding position of the magnetic ring. By adopting the scheme, the invention solves the problems in the prior art and provides the residual current circuit breaker with good arc extinguishing effect, safety, reliability, reasonable structure and convenient installation, wherein the live wire and the zero line can be disconnected.
Description
Technical Field
The invention relates to a circuit breaker, in particular to a circuit breaker with a disconnectable live wire and a disconnectable neutral wire.
Background
The L-pole contact operating mechanism of the existing circuit breaker generates brake separating force by pulling the movable contact mounting seat, so that the installation is inconvenient, the brake separating is influenced by small pulling force, and the lock catch generates reset force through a torsion spring or a tension spring, so that the brake separating of the movable contact is influenced, and the structure is unreasonable and large in size.
Disclosure of Invention
The invention overcomes the problems existing in the prior art and provides the novel breaker with good arc extinguishing effect, safety, reliability, reasonable structure and convenient installation, wherein the live wire and the zero wire can be disconnected.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an electric leakage circuit breaker that live wire and zero line all can break off, includes base, well seat and upper cover, be provided with first settling chamber between well seat and the upper cover, be provided with the second settling chamber between well seat and the base, first settling intracavity is provided with L utmost point contact operating means, second settling intracavity is provided with N utmost point contact operating means, be provided with the breach on the well seat, be provided with trip gear on this breach, trip gear's below is provided with explosion chamber, its characterized in that: the circuit breaker is characterized in that a first mounting frame and a second mounting frame are respectively arranged on the front side and the rear side of the middle seat, a base, the middle seat, an upper cover, the first mounting frame and the second mounting frame form a shell of the circuit breaker, a space between the bottom surface of the first mounting frame and the inner side surface of the base is empty, a group of wiring terminals are arranged on the first mounting frame, a circuit board is arranged in the second mounting frame and below an N pole moving contact of the N pole contact operating device, a connecting wire between the circuit board and the tripping device passes through a space part between the first mounting frame and the base, two groups of wiring terminals are arranged on the second mounting frame, a notch is arranged below the second mounting frame, a magnetic ring is arranged at the notch, and a zero line penetrating hole is formed between the base and the upper cover and at the corresponding position of the magnetic ring.
Through adopting above-mentioned scheme, make the structural layout of this product reasonable, wherein through being provided with independent first mounting bracket and second mounting bracket in the both sides of well seat, it is very convenient to install like this, and especially first mounting bracket sets up to separate the sky setting with the base, makes things convenient for the connecting wire between circuit board and the trip gear, and the below of second mounting bracket is provided with the breach, also makes things convenient for the setting of magnetic ring like this, and the setting of zero line puncture hole makes things convenient for the zero line to pass the magnetic ring in addition.
The invention is further provided with the following steps: the front side of well seat is provided with bellied surrounding edge, and the middle part of surrounding edge is provided with keeps apart the boss towards the explosion chamber direction, keeps apart two gas paths from top to bottom behind boss and the surrounding edge cooperation constitution explosion chamber, the below of the medial edge of first mounting bracket is provided with the baffle of contradicting with keeping apart the boss, the lateral edge of first mounting bracket is provided with cassette or draw-in groove towards the base direction, be provided with on the base with cassette or draw-in groove complex draw-in groove or draw-in groove, the lateral edge on the first mounting bracket is provided with fixture block or draw-in hole towards upper cover direction, is provided with on the upper cover with fixture block or draw-in hole complex draw-in hole or fixture block, still is provided with the installation through-hole on the first mounting bracket.
Through adopting above-mentioned scheme, make the gas pressure in the explosion chamber even, the arc extinguishing effect is good, and baffle on the first mounting bracket sets up, the interval empty portion of the bottom surface of the first mounting bracket of preventing that high temperature gas from running into and the medial surface of base that can be fine protects the wire, sets up through block, draw-in groove etc. in addition and can be fine fix first mounting bracket on base and upper cover.
The invention is further provided with the following steps: the top of the interior side of first mounting bracket is provided with the fixed block, and the last side of fixed block is provided with the installation through-hole with the last medial surface interference fit of base on the fixed block, is provided with the guide way near the position of fixed block on the base, just be located one side of handle on the base and be provided with get electric mechanism, get electric mechanism and circuit board between the wire of being connected pass the setting from the guide way, be located the top of baffle on the first mounting bracket and set up the opening, be provided with the gas running passageway between the terminal holding chamber of holding binding post of opening and first mounting bracket, be provided with the lug that corresponds with the baffle on the upper cover.
Through adopting above-mentioned scheme, can be fine fixed first mounting bracket, the setting of guide way can be fixed the setting of connecting wire between electricity taking mechanism and the circuit board in addition, makes the fixed installation and the short circuit that can not influence other wires of this wire in this way.
The invention is further provided with the following steps: the base is provided with a conducting strip clamping groove at the position between the N-pole moving contact and the circuit board of the N-pole contact operating device, a conducting strip is arranged in the conducting strip clamping groove, one end of the conducting strip extends out of the conducting strip clamping groove to form an N-pole fixed contact of the N-pole contact operating device, the other end extends out to form a wiring terminal, and two groups of wiring terminals of the second mounting frame are respectively positioned at two sides of the second mounting frame.
By adopting the scheme, the N-pole static contact of the N-pole moving contact operating device can be well arranged at a fixed position, so that the connection of wires of the N-pole static contact operating device is also facilitated.
The invention is further provided with the following steps: the N pole contact operating device comprises an N pole moving contact, an N pole fixed contact, a tension spring, a connecting shaft and a collision pin, wherein the connecting shaft is arranged in a long hole above the middle seat, the connecting shaft is connected above an L pole moving contact mounting seat of the N pole moving contact and the L pole contact operating device, an arc collision surface is arranged in the middle of the N pole moving contact, the collision pin is arranged between the middle seat and the base and is correspondingly arranged with the arc collision surface, a connecting hole or a connecting boss is arranged above the arc collision surface of the N pole moving contact, one end of the tension spring is connected on the connecting hole or the connecting boss, the other end of the tension spring is connected on the middle seat or the base, the lower end of the N pole moving contact is a contact, the L pole contact operating device comprises a jump button, a lock catch, an L pole moving contact mounting seat and an L pole moving contact mounting seat which are rotatably arranged on the middle seat, the trip is rotationally arranged on the L-pole moving contact mounting seat, the L-pole moving contact is fixedly arranged on the L-pole moving contact mounting seat, the lock catch is provided with a supporting foot and a pushing foot, the supporting foot is matched with the trip, the pushing foot is correspondingly arranged with the trip device, a mounting groove is arranged between the trip device and a breaker handle, a pressing spring and a sliding block are arranged in the mounting groove, one end of the pressing spring is pressed against the inner side surface of the mounting groove, the other end is pressed against the sliding block, a push rod is arranged between the sliding block and the lock catch, a spring which generates elasticity for the L-pole moving contact mounting seat is arranged between the L-pole moving contact mounting seat and the side wall of the middle seat, the mounting groove is a long mounting groove, the sliding block can slide in the mounting groove, one side of the sliding block, which faces the pressing spring, is provided with a first spring seat, the upper end of the sliding block is provided with a connecting hole, the lock catch and the L-pole movable contact mounting seat are arranged on the middle seat in a rotating way by using a rotating shaft, a mounting hole is formed in the lock catch and located between the rotating shaft and the abutting foot, one end of the push rod is movably inserted into the connecting hole, and the other end of the push rod is movably inserted into the mounting hole.
By adopting the scheme, the N-pole contact operating device has reasonable structure and convenient installation; the L-pole movable contact mounting seat of the L-pole contact operating device has stable elasticity when being switched on and switched off, and the pressing spring is arranged in the mode to press the lock catch well.
The invention is further provided with the following steps: get electric mechanism including getting electric extension spring, getting electric piece, getting electric torsional spring and button, wherein get electric extension spring one end and connect on getting electric hole, the other end is connected in the round pin epaxial of base or well frame or upper cover, gets electric spring cover and establishes on the projection of base, and one end is connected with getting electric extension spring electricity, and the first foot that contradicts of torsional spring supports to press in the button below, and the second contradicts the foot and gets electric spring conflict and be connected, be provided with the poking rod on the base, poking rod one end corresponds the setting with the N extremely movable contact, and the other end corresponds the setting with the second of torsional spring and contradicts the foot, and the N extremely movable contact after the disconnection can promote the poking rod and remove and realize poking rod promotion second and contradict the foot and leave and get electric spring, gets electric piece and lie in the below of first contradicting foot, gets the wire between electric piece and the circuit board and passes the setting from the guide way.
Through adopting above-mentioned scheme, get electric mechanism unable electricity of getting when N utmost point moving contact outage, guarantee the security of product, above-mentioned electric mechanism of getting is rational in infrastructure in addition, convenient to use.
The final settings of the invention are: the utility model discloses a high-voltage power supply device, including L pole moving contact mount pad, lock catch, connecting axle, N pole moving contact operation device, wherein the lock catch rotates with the L pole moving contact mount pad and sets up on the well seat with a rotation axis rotation, one side that keeps away from the handle on the L pole moving contact mount pad just is located the top of axis of rotation is provided with the second spring holder, and spring one end is contradicted on the second spring holder, and the other end is contradicted on well seat lateral wall, the connecting hole of sliding block is provided with fan-shaped breach towards one side of lock catch, and the push rod inserts in the connecting hole after passing through fan-shaped breach, the arc conflict face at N pole moving contact middle part is the arc conflict face, the conflict round pin is provided with two, and two conflict round pins separate the setting, the upper end of L pole moving contact mount pad is provided with the projection, and the axle central point of this projection is provided with the mounting hole, the projection is worn to establish in the slot hole of well seat, the connecting axle is inserted in the mounting hole, N pole moving contact top is provided with connecting hole after separating the arc conflict round pin.
Through adopting above-mentioned scheme, conveniently support the elasticity direction change of pressing the spring, guarantee that the pressure of supporting to the hasp like this can be fine, make the operation of product more stable.
The invention will be further illustrated with reference to specific examples.
Drawings
FIG. 1 is an overall perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention reflecting the configuration of the L-pole contact operating device;
FIG. 3 is a perspective view of the slider of FIG. 2;
fig. 4 is a perspective view of the L-pole moving contact mounting base of fig. 2;
FIG. 5 is a block diagram of an embodiment of the invention reflecting an N-pole contact operating device;
FIG. 6 is a block diagram of a power take-off mechanism according to an embodiment of the present invention;
FIG. 7 is a block diagram of an embodiment of the invention reflecting the cooperation of an L-pole moving contact mounting base and an N-pole moving contact;
FIG. 8 is a block diagram of a toggle lever according to an embodiment of the present invention;
FIG. 9 is a perspective view of a base of an embodiment of the present invention;
FIG. 10 is a perspective view of an upper cover according to an embodiment of the present invention;
FIG. 11 is a perspective view of a first mount reflective baffle according to an embodiment of the present invention;
FIG. 12 is a perspective view of a first mounting bracket reflective card stage according to an embodiment of the invention;
FIG. 13 is a perspective view of a conductive sheet card slot according to an embodiment of the present invention;
FIG. 14 is a block diagram of an embodiment of the present invention reflecting the spacing between the bottom surface of the first mounting frame and the inner side surface of the base.
Detailed Description
As shown in fig. 1-14, the earth leakage breaker with disconnectable live wire and zero line comprises a base 1, a middle seat 2 and an upper cover 3, a first installation cavity 4 is arranged between the middle seat 2 and the upper cover 3, a second installation cavity 5 is arranged between the middle seat 2 and the base 1, an L-pole contact operation device is arranged in the first installation cavity 4, an N-pole contact operation device is arranged in the second installation cavity 5, a notch 21 is arranged on the middle seat 2, a tripping device 6 is arranged on the notch 21, an arc extinguishing chamber 10 is arranged below the tripping device 6, in the embodiment of the invention, a first installation frame 24 and a second installation frame 25 are respectively arranged on the front side and the rear side of the middle seat 2, the base 1, the middle seat 2, the upper cover 3, the first installation frame 24 and the second installation frame 25 form a shell of the breaker, a space B between the bottom surface of the first installation frame 24 and the inner side of the base 1 is arranged, the first mounting frame 24 is provided with a group of wiring terminals, the second mounting cavity 5 is internally provided with a circuit board 51 below the N pole moving contact 71 of the N pole contact operating device, a connecting wire between the circuit board 51 and the tripping device 6 passes through a spacing part B between the first mounting frame 24 and the base 1, the second mounting frame 25 is provided with two groups of wiring terminals, the lower part of the second mounting frame 25 is provided with a notch 251, the notch 251 is provided with a magnetic ring 252, the corresponding part of the shell and the magnetic ring 252 is provided with a zero line penetrating hole 13, by adopting the scheme, the structural layout of the product is reasonable, the independent first mounting frame 24 and the second mounting frame 25 are arranged at two sides of the middle base 2, the installation is very convenient, in particular the first mounting frame 24 and the base 1 are arranged to be spaced by the spacing part B, the connection line between the circuit board 51 and the tripping device 6 is facilitated, the notch 251 is arranged below the second mounting frame 25, so that the magnetic ring 252 is also facilitated, and in addition, the zero line 13 is facilitated to penetrate through the magnetic ring 252 by the arrangement of the zero line penetrating hole 13.
In the embodiment of the invention, a raised surrounding edge 26 is provided on the front side of the middle seat 2, an isolation boss 261 is provided at the middle of the surrounding edge 26 towards the direction of the arc extinguishing chamber 10, the isolation boss 261 and the surrounding edge 26 cooperate to form an upper air leakage channel 262 and a lower air leakage channel 263 behind the arc extinguishing chamber 10, a baffle 241 which is in contact with the isolation boss 261 is provided below the inner side edge of the first mounting frame 24, a clamping table 242 or a clamping groove is provided at the outer side edge of the first mounting frame 24 towards the direction of the base 1, a clamping groove 11 or a clamping table which is in contact with the clamping table 242 or the clamping groove is provided on the base 1, a clamping block 243 or a clamping hole is provided at the outer side edge of the first mounting frame 24 towards the direction of the upper cover 3, a clamping hole 31 or a clamping block which is in contact with the clamping block 243 or the clamping hole is provided on the upper cover 3, and a mounting through hole 244 is also provided on the first mounting frame 24. Through adopting above-mentioned scheme, make the gas pressure in the explosion chamber 10 even, the arc extinguishing effect is good, and baffle 241 on the first mounting bracket 24 sets up, and the interval empty part B of the bottom surface of the first mounting bracket 24 of preventing that high temperature gas from running into and the medial surface of base 1 that can be fine protects the wire, sets up through clamping platform, draw-in groove etc. in addition and can be fine fix first mounting bracket 24 on base 1 and upper cover 3.
In the embodiment of the invention, a fixed block 245 is arranged above the inner side of the first mounting frame 24, the upper side surface of the fixed block 245 is in interference fit with the upper inner side surface of the base 1, a mounting through hole 244 is arranged on the fixed block 245, a guide groove 12 is arranged on the base 1 near the fixed block 245, a power taking mechanism A is arranged on one side of the handle on the base 1, a wire connected between the power taking mechanism A and the circuit board 51 passes through the guide groove 12, an opening 2411 is arranged above the baffle on the first mounting frame 24, a gas leakage channel 2412 is arranged between the opening 2411 and a terminal accommodating cavity of the first mounting frame 24 for accommodating the wiring terminal, and a lug 32 corresponding to the baffle 241 is arranged on the upper cover 3; through adopting above-mentioned scheme, can fix first mounting bracket 24 well, the setting of guide slot 12 can be with getting the fixed setting of connecting wire between electric mechanism A and the circuit board 51 in addition, makes the fixed installation and the short circuit problem that can not influence other wires of this wire of position fixation like this.
In the embodiment of the invention, a conductive sheet clamping groove 13 is arranged on the base 1 and positioned between the N-pole moving contact 71 and the circuit board 51 of the N-pole contact operating device, a conductive sheet 131 is arranged in the conductive sheet clamping groove 13, one end of the conductive sheet 131 extends out of the conductive sheet clamping groove 13 to form an N-pole fixed contact of the N-pole contact operating device, the other end extends out to form a wiring terminal, and two groups of wiring terminals of the second mounting frame 25 are respectively positioned at two sides of the second mounting frame 25. By adopting the scheme, the N-pole static contact of the N-pole moving contact operating device can be well arranged at a fixed position, so that the connection of wires of the N-pole static contact operating device is also facilitated.
In the embodiment of the invention, the N-pole contact operating device comprises an N-pole moving contact 71, a tension spring 72, a connecting shaft 73 and a collision pin 74, wherein the connecting shaft 73 is arranged in a long hole 22 above a middle seat 2, the connecting shaft 73 is connected above an L-pole moving contact mounting seat 81 of the N-pole moving contact 71 and the L-pole contact operating device, an arc collision surface 711 is arranged in the middle of the N-pole moving contact 71, the collision pin 74 is arranged between the middle seat 2 and a base 1 and is correspondingly arranged with the arc collision surface 711, a connecting hole 712 or a connecting boss is arranged above the arc collision surface 711 of the N-pole moving contact 71, one end of the tension spring 72 is connected to the connecting hole 712 or the connecting boss, the other end is connected to the middle seat 2 or the base 1, the lower end of the N-pole moving contact 71 is a contact, the L-pole contact operating device comprises a jump buckle 82, a lock catch 83, an L-pole moving contact mounting seat 81 and an L-pole moving contact 84, wherein the lock catch 83 and the L-pole moving contact mounting seat 81 are rotatably arranged on the middle seat 2, the jump button 82 is rotatably arranged on the L-pole moving contact mounting seat 81, the L-pole moving contact 84 is fixedly arranged on the L-pole moving contact mounting seat 81, the lock catch 83 is provided with a collision foot 831 and a pushing foot 832, the collision foot 831 is matched with the jump button 82, the pushing foot 832 is correspondingly arranged with the tripping device 6, in the embodiment of the invention, a mounting groove 23 is arranged between the tripping device 6 and a breaker handle, a pressing spring 231 and a sliding block 232 are arranged in the mounting groove 23, one end of the pressing spring 231 is abutted against the inner side surface of the mounting groove 23, the other end is abutted against the sliding block 232, a push rod 233 is arranged between the sliding block 231 and the lock catch 82, a spring 9 which generates elasticity on the L-pole moving contact mounting seat 81 is arranged between the L-pole moving contact mounting seat 81 and the side wall of the middle seat 2, the elastic force here includes a force for resetting the L-pole moving contact mount 81 during opening and a final pressure for closing the L-pole moving contact mount 81. Through adopting above-mentioned scheme, make the structural layout of this product reasonable, wherein above-mentioned setting is more nimble to the thrust of hasp 83, can not appear the card phenomenon of dying, and spring 9 sets up simple to operate like this in addition, and especially spring 9 can set up great elasticity, makes the circuit breaker effect of tripping better, and spring 9 is whole to the elasticity that L extremely moves the contact mount pad 81 and produces on L extremely moves contact mount pad 81, and the brake separation power is not influenced by other parts.
In the embodiment of the invention, the mounting groove 23 is a long mounting groove, the sliding block 232 can slide in the mounting groove 23, a first spring seat 2321 is provided on one side of the sliding block 232 facing the pressing spring 231, a connecting hole 2322 is provided at the upper end of the sliding block 232, the lock catch 83 and the L-pole moving contact mounting seat 81 are rotatably provided on the middle seat 2 with a rotating shaft, a mounting hole 2324 is provided on the lock catch 83 and between the rotating shaft and the pressing leg 831, one end of the push rod 233 is movably inserted into the connecting hole 2322, and the other end is movably inserted into the mounting hole 2324. By adopting the above scheme, the direction of the push rod 233 can be adjusted during operation, so that the elastic force generated by the lock catch 83 can be well ensured, and the operation of the circuit breaker is stabilized.
In the embodiment of the invention, a second spring seat 813 is arranged on one side of the L-pole moving contact mounting seat 81 far away from the handle and above the rotating shaft, one end of the spring 9 is abutted against the second spring seat 813, and the other end is abutted against the side wall of the middle seat 2; by adopting the scheme, the elastic force of the spring 9 acts on the movable contact mounting seat 81 well, and the elastic effect is ensured.
In the embodiment of the present invention, a fan-shaped notch 2323 is disposed at a side of the connecting hole 2322 of the sliding block 232 facing the lock catch 83, and the push rod 233 is inserted into the connecting hole 2322 after passing through the fan-shaped notch 2323. The L-pole moving contact mounting seat 81 is provided with an L-pole moving contact 84 mounting groove 811, the L-pole moving contact mounting groove 811 is provided with a power taking hole 8111 and an inclined hole 8112, and the L-pole moving contact 84 is provided with two holes corresponding to the power taking hole 8111 and the inclined hole 8112; get electric mechanism A including getting electric extension spring A1, get electric spring A2, get electric piece A5, get electric torsional spring A3 and button A4, wherein get electric extension spring A1 one end and connect on getting electric hole 8111, the other end is connected on the round pin axle of base 1 or well frame 2 or upper cover 3, get electric spring A2 cover and establish on the projection of base 1, one end is connected with getting electric extension spring A1 electricity, the first conflict foot of torsional spring A3 is supported and is pressed in button A4 below, the second is contradicted the foot and is connected with getting electric spring A2 conflict, be provided with poking rod 15 on the base 1, poking rod 15 one end corresponds with N extremely movable contact 71 and sets up, the other end corresponds with getting electric torsional spring A3's second conflict foot, N extremely movable contact 71 after disconnection can promote poking rod 15 removal and realize poking rod 15 promotion second conflict foot and get electric spring A2, get electric piece A5 and lie in the below of first conflict foot, the wire between electric piece A5 and the circuit board 51 passes from guide slot 12 setting.
In the embodiment of the invention, the arc-shaped abutting surface 711 in the middle of the N-pole moving contact 71 is an arc-shaped abutting surface, two abutting pins 74 are arranged at intervals, the arc-shaped abutting surface 711 of the N-pole moving contact 71 can be in abutting fit with the two abutting pins 74 when the N-pole moving contact 71 rotates, a convex column 812 is arranged at the upper end of the L-pole moving contact mounting seat 81, a mounting hole is arranged at the axial center position of the convex column 812, the convex column 812 penetrates through the long hole 22 of the middle seat 2, the connecting shaft 73 is inserted into the mounting hole, a connecting through hole is arranged at the upper end of the N-pole moving contact 71, the N-pole moving contact 71 is sleeved on the connecting shaft 73 through the connecting through hole, and after the N-pole moving contact operating device is switched on, the arc-shaped abutting surface 711 and the abutting pins 74 are arranged at intervals. By adopting the above scheme, the N pole moving contact 71 is not influenced by other components during rotation, and the abutting pin 74 also plays a supporting role, which is necessary for meeting the over-travel action of the N pole moving contact 71.
Claims (6)
1. The utility model provides an electric leakage circuit breaker that live wire and zero line all can break off, includes base, well seat and upper cover, be provided with first settling chamber between well seat and the upper cover, be provided with the second settling chamber between well seat and the base, first settling intracavity is provided with L utmost point contact operating means, second settling intracavity is provided with N utmost point contact operating means, be provided with the breach on the well seat, be provided with trip gear on this breach, trip gear's below is provided with explosion chamber, its characterized in that: the front side and the rear side of the middle seat are respectively provided with a first mounting frame and a second mounting frame, the base, the middle seat, the upper cover, the first mounting frame and the second mounting frame form a shell of the circuit breaker, the space between the bottom surface of the first mounting frame and the inner side surface of the base is empty, the first mounting frame is provided with a group of wiring terminals, the second mounting cavity is internally provided with a circuit board below an N pole moving contact of an N pole contact operating device, a connecting wire between the circuit board and a tripping device passes through a space part between the first mounting frame and the base, the second mounting frame is provided with two groups of wiring terminals, a notch is arranged below the second mounting frame, a magnetic ring is arranged at the notch, a zero line penetrating hole is arranged on the shell and positioned at the corresponding position of the magnetic ring, the upper side of the inner side edge of the first mounting frame is provided with a fixed block, the upper side surface of the fixed block is in interference fit with the upper inner side surface of the base, the fixing block is provided with an installation through hole, a guide groove is arranged at a position, close to the fixing block, on the base, one side, which is positioned on the handle, of the fixing block is provided with a power taking mechanism, a wire connected between the power taking mechanism and the circuit board passes through the guide groove, an opening is arranged above the baffle on the first mounting frame, an air leakage channel is arranged between the opening and a terminal accommodating cavity of the first mounting frame, which accommodates the wiring terminal, a lug corresponding to the baffle is arranged on the upper cover, the N-pole contact operating device comprises an N-pole moving contact, an N-pole fixed contact, a tension spring, a connecting shaft and an abutting pin, the connecting shaft is arranged in a long hole above the middle seat, the connecting shaft is connected above the L-pole moving contact mounting seat of the N-pole moving contact and the L-pole contact operating device, the middle part of the N-pole moving contact is provided with an arc abutting surface, the abutting pin is arranged between the middle seat and the base, and correspond the setting with arc conflict face, N utmost point moving contact's arc conflict face top is provided with connecting hole or connection boss, and extension spring one end is connected on connecting hole or connection boss, and the other end is connected on well seat or base, N utmost point moving contact lower extreme is the contact, L utmost point contact operating means is including jumping knot, hasp, L utmost point moving contact mount pad and L utmost point moving contact, and wherein hasp and L utmost point moving contact mount pad rotate the setting on well seat, jump knot rotate the setting on L utmost point moving contact mount pad, and L utmost point moving contact is fixed to be set up on L utmost point moving contact mount pad, be provided with conflict foot and pushing foot on the hasp, wherein the cooperation of conflict foot and jump knot, pushing foot corresponds the setting with trip device, be provided with the mounting groove between trip device and the circuit breaker handle, be provided with in the butt pressure spring and the slider in the mounting groove, butt spring one end is contradicted on the medial surface of mounting groove, and is provided with L utmost point moving contact mount pad and hasp, be provided with L utmost point moving contact mount pad and side wall between L utmost point moving contact and the side wall of well seat and being provided with the elastic force to produce the spring block and moving block, the setting is the setting on the same to slide spring mount pad and one end, and one end is provided with the movable plug-in the mounting hole, and one end is provided with the jack that slides on the movable mounting hole.
2. The earth leakage breaker with both live and neutral disconnections according to claim 1, characterized in that: the front side of well seat is provided with bellied surrounding edge, and the middle part of surrounding edge is provided with keeps apart the boss towards the explosion chamber direction, keeps apart two gas paths from top to bottom behind boss and the surrounding edge cooperation constitution explosion chamber, the below of the medial edge of first mounting bracket is provided with the baffle of contradicting with keeping apart the boss, the lateral edge of first mounting bracket is provided with cassette or draw-in groove towards the base direction, be provided with on the base with cassette or draw-in groove complex draw-in groove or draw-in groove, the lateral edge on the first mounting bracket is provided with fixture block or draw-in hole towards upper cover direction, is provided with on the upper cover with fixture block or draw-in hole complex draw-in hole or fixture block, still is provided with the installation through-hole on the first mounting bracket.
3. The earth leakage breaker with disconnectable live and neutral wires according to claim 1 or 2, characterized in that: the base is provided with a conducting strip clamping groove at the position between the N-pole moving contact and the circuit board of the N-pole contact operating device, a conducting strip is arranged in the conducting strip clamping groove, one end of the conducting strip extends out of the conducting strip clamping groove to form an N-pole fixed contact of the N-pole contact operating device, the other end extends out to form a wiring terminal, and two groups of wiring terminals of the second mounting frame are respectively positioned at two sides of the second mounting frame.
4. The earth leakage breaker with both live and neutral disconnections according to claim 1, characterized in that: the base is provided with a conducting strip clamping groove at the position between the N-pole moving contact and the circuit board of the N-pole contact operating device, a conducting strip is arranged in the conducting strip clamping groove, one end of the conducting strip extends out of the conducting strip clamping groove to form an N-pole fixed contact of the N-pole contact operating device, the other end extends out to form a wiring terminal, and two groups of wiring terminals of the second mounting frame are respectively positioned at two sides of the second mounting frame.
5. The earth leakage breaker with both live and neutral disconnections according to claim 1, characterized in that: get electric mechanism including getting electric extension spring, getting electric piece, getting electric torsional spring and button, wherein get electric extension spring one end and connect on getting electric hole, the other end is connected in the round pin epaxial of base or well frame or upper cover, gets electric spring cover and establishes on the projection of base, and one end is connected with getting electric extension spring electricity, and the first foot that contradicts of torsional spring supports to press in the button below, and the second contradicts the foot and gets electric spring conflict and be connected, be provided with the poking rod on the base, poking rod one end corresponds the setting with the N extremely movable contact, and the other end corresponds the setting with the second of torsional spring and contradicts the foot, and the N extremely movable contact after the disconnection can promote the poking rod and remove and realize poking rod promotion second and contradict the foot and leave and get electric spring, gets electric piece and lie in the below of first contradicting foot, gets the wire between electric piece and the circuit board and passes the setting from the guide way.
6. The earth leakage breaker with both live and neutral disconnections according to claim 1, characterized in that: the utility model discloses a high-voltage power supply device, including L pole moving contact mount pad, lock catch, connecting axle, N pole moving contact operation device, wherein the lock catch rotates with the L pole moving contact mount pad and sets up on the well seat with a rotation axis rotation, one side that keeps away from the handle on the L pole moving contact mount pad just is located the top of axis of rotation is provided with the second spring holder, and spring one end is contradicted on the second spring holder, and the other end is contradicted on well seat lateral wall, the connecting hole of sliding block is provided with fan-shaped breach towards one side of lock catch, and the push rod inserts in the connecting hole after passing through fan-shaped breach, the arc conflict face at N pole moving contact middle part is the arc conflict face, the conflict round pin is provided with two, and two conflict round pins separate the setting, the upper end of L pole moving contact mount pad is provided with the projection, and the axle central point of this projection is provided with the mounting hole, the projection is worn to establish in the slot hole of well seat, the connecting axle is inserted in the mounting hole, N pole moving contact top is provided with connecting hole after separating the arc conflict round pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106450.7A CN108155067B (en) | 2018-02-02 | 2018-02-02 | Electric leakage circuit breaker with disconnectable live wire and zero line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106450.7A CN108155067B (en) | 2018-02-02 | 2018-02-02 | Electric leakage circuit breaker with disconnectable live wire and zero line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108155067A CN108155067A (en) | 2018-06-12 |
| CN108155067B true CN108155067B (en) | 2024-01-26 |
Family
ID=62459715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810106450.7A Active CN108155067B (en) | 2018-02-02 | 2018-02-02 | Electric leakage circuit breaker with disconnectable live wire and zero line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108155067B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920706A (en) * | 2019-04-16 | 2019-06-21 | 天津加美特电气设备有限公司 | A kind of breaker of the pole N without arc-control device |
| CN112614751A (en) * | 2020-12-25 | 2021-04-06 | 浙江奥来电器有限公司 | Wiring structure of circuit breaker |
| CN112863963B (en) * | 2021-01-14 | 2022-08-05 | 浙江益合智能科技有限公司 | Earth leakage circuit breaker |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07240142A (en) * | 1994-02-28 | 1995-09-12 | Matsushita Electric Works Ltd | Circuit breaker |
| JPH11224583A (en) * | 1998-02-09 | 1999-08-17 | Fuji Electric Co Ltd | Circuit breaker |
| KR200418667Y1 (en) * | 2006-03-14 | 2006-06-14 | 상도전기통신 주식회사 | Miniature Circuit Breaker with Overload and Short Circuit Protection |
| KR100845532B1 (en) * | 2008-01-29 | 2008-07-10 | 주식회사 대륙 | Trip device of earth leakage breaker |
| CN201898094U (en) * | 2010-11-24 | 2011-07-13 | 戴英夫 | Clapboard device of double-wire leakage protection breaker |
| JP2013037799A (en) * | 2011-08-04 | 2013-02-21 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| JP2013137971A (en) * | 2011-12-28 | 2013-07-11 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| CN104183434A (en) * | 2014-07-16 | 2014-12-03 | 浙江天正电气股份有限公司 | Electric-leakage circuit breaker with reverse-wiring structure |
| CN204011301U (en) * | 2014-08-12 | 2014-12-10 | 浙江民普电气有限公司 | A kind of plastic casing formula earth leakage circuit breaker |
| CN105762033A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Moving contact operating mechanism for residual-current circuit breaker |
| CN106783426A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of electric switch |
| CN106783423A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of operating mechanism of electric switch |
| CN107393770A (en) * | 2017-08-24 | 2017-11-24 | 乐清市也为电气有限公司 | A kind of RCCB |
| WO2017206581A1 (en) * | 2016-05-31 | 2017-12-07 | 乐清市也为电气有限公司 | Moving contact operating mechanism for miniature circuit breaker |
| CN207834218U (en) * | 2018-02-02 | 2018-09-07 | 乐清市也为电气有限公司 | The leakage circuit breakers that a kind of firewire and zero curve can all disconnect |
-
2018
- 2018-02-02 CN CN201810106450.7A patent/CN108155067B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07240142A (en) * | 1994-02-28 | 1995-09-12 | Matsushita Electric Works Ltd | Circuit breaker |
| JPH11224583A (en) * | 1998-02-09 | 1999-08-17 | Fuji Electric Co Ltd | Circuit breaker |
| KR200418667Y1 (en) * | 2006-03-14 | 2006-06-14 | 상도전기통신 주식회사 | Miniature Circuit Breaker with Overload and Short Circuit Protection |
| KR100845532B1 (en) * | 2008-01-29 | 2008-07-10 | 주식회사 대륙 | Trip device of earth leakage breaker |
| CN201898094U (en) * | 2010-11-24 | 2011-07-13 | 戴英夫 | Clapboard device of double-wire leakage protection breaker |
| JP2013037799A (en) * | 2011-08-04 | 2013-02-21 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| JP2013137971A (en) * | 2011-12-28 | 2013-07-11 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| CN104183434A (en) * | 2014-07-16 | 2014-12-03 | 浙江天正电气股份有限公司 | Electric-leakage circuit breaker with reverse-wiring structure |
| CN204011301U (en) * | 2014-08-12 | 2014-12-10 | 浙江民普电气有限公司 | A kind of plastic casing formula earth leakage circuit breaker |
| CN105762033A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Moving contact operating mechanism for residual-current circuit breaker |
| WO2017206581A1 (en) * | 2016-05-31 | 2017-12-07 | 乐清市也为电气有限公司 | Moving contact operating mechanism for miniature circuit breaker |
| CN106783426A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of electric switch |
| CN106783423A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of operating mechanism of electric switch |
| CN107393770A (en) * | 2017-08-24 | 2017-11-24 | 乐清市也为电气有限公司 | A kind of RCCB |
| CN207834218U (en) * | 2018-02-02 | 2018-09-07 | 乐清市也为电气有限公司 | The leakage circuit breakers that a kind of firewire and zero curve can all disconnect |
Non-Patent Citations (1)
| Title |
|---|
| 提高TGB7L漏电断路器性能的措施;张明超;;江苏电器(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108155067A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108155067B (en) | Electric leakage circuit breaker with disconnectable live wire and zero line | |
| EP3657525B1 (en) | Leakage protector | |
| WO2020135398A1 (en) | Miniature circuit breaker | |
| CN108109888B (en) | Leakage protector | |
| CN107393770B (en) | A leakage circuit breaker | |
| CN108122716B (en) | Leakage circuit breaker | |
| CN107863279B (en) | Circuit breaker | |
| CN207834218U (en) | The leakage circuit breakers that a kind of firewire and zero curve can all disconnect | |
| CN108962697B (en) | Leakage protector | |
| JP2709251B2 (en) | Draw-out type circuit breaker | |
| CN114142305A (en) | Connector and electronic equipment | |
| CN215342461U (en) | Residual current circuit breaker | |
| CN115424902B (en) | Leakage circuit breaker | |
| CN108155068B (en) | Circuit breaker with disconnectable live wire and zero wire | |
| CN207947243U (en) | A kind of control and protective switching device | |
| CN210223918U (en) | Earth leakage circuit breaker capable of forward and backward wiring | |
| CN117275973B (en) | High stability switch circuit breaker | |
| CN109686621B (en) | Shunt auxiliary combined accessory of circuit breaker | |
| CN222637203U (en) | A two-way holding circuit breaker | |
| CN219418930U (en) | L-pole test electricity taking mechanism of circuit breaker | |
| CN222762899U (en) | Circuit breaker electricity taking mechanism | |
| CN219476599U (en) | Leakage circuit breaker shell easy to assemble | |
| US1660290A (en) | Electrical receptacle and attachment | |
| CN218887017U (en) | Leakage protection switch module | |
| JP3659610B2 (en) | Drawer type circuit breaker shutter device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230711 Address after: No. 7 Zhenxing Road, Liushi Town, Leqing City, Wenzhou City, Zhejiang Province, 325604 Applicant after: WENZHOU AOELEC ELECTRICAL CO.,LTD. Address before: Donghuangyu Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, 325000 Applicant before: Yueqing Yewei Electric Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |