CN112530752A - Residual current circuit breaker - Google Patents
Residual current circuit breaker Download PDFInfo
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- CN112530752A CN112530752A CN202011564435.0A CN202011564435A CN112530752A CN 112530752 A CN112530752 A CN 112530752A CN 202011564435 A CN202011564435 A CN 202011564435A CN 112530752 A CN112530752 A CN 112530752A
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- movable contact
- convex column
- seat
- moving contact
- pole
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 15
- 210000003205 muscle Anatomy 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 2
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000004235 Orange GGN Substances 0.000 description 6
- 239000004176 azorubin Substances 0.000 description 3
- 239000001679 citrus red 2 Substances 0.000 description 3
- 239000004178 amaranth Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
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- 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
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
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- 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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/505—Latching devices between operating and release mechanism
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Breakers (AREA)
Abstract
The invention relates to a circuit breaker, in particular to an electric leakage circuit breaker. The invention adopts the following technical scheme: the invention discloses an electric leakage circuit breaker, which comprises a base, a middle seat and an upper cover, wherein the middle seat is positioned between the base and the upper cover, a first space is formed between the middle seat and the base, a second space is formed between the middle seat and the upper cover, an N-pole contact device and an electric leakage tripping mechanism are arranged in the first space, an L-pole contact device, an arc extinguish chamber and a double-gold pull rod mechanism are arranged in the second space, and a moving contact seat actuating mechanism and a voltage tripper are arranged above the middle seat.
Description
Technical Field
The invention relates to a circuit breaker, in particular to an electric leakage circuit breaker.
Background
The existing circuit breaker product locking mechanism is generally provided with a lever, a lock catch and a jump buckle, the structure is complex, the cost is high, the jump buckle is in automatic assembly with unfavorable volume, the number of product parts is large, and the product has failure risk.
Disclosure of Invention
The invention overcomes the problems in the prior art and provides a novel leakage circuit breaker which is reasonable in structure and stable in work.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a residual current circuit breaker, is including base, well seat, upper cover, and well seat is located between base and the upper cover, is first space between well seat and the base, is the second space between well seat and the upper cover, is provided with N utmost point contact device and creepage tripping device in the first space, is provided with L utmost point contact device, explosion chamber and two golden pull rod mechanisms in the second space, well seat top is provided with moving contact seat actuating mechanism and current release, its characterized in that: the moving contact seat action mechanism comprises a moving contact seat, a lock catch push rod mechanism, a connecting rod and a handle, wherein the first end of the connecting rod is movably arranged on the handle, the second end of the connecting rod is arranged on the moving contact seat, an L-pole moving contact of an L-pole contact device and an N-pole moving contact of an N-pole contact device are both arranged on the moving contact seat, a convex column is arranged on the moving contact seat, the lock catch is sleeved on the convex column through a through hole arranged on the convex column, the lock catch push rod mechanism comprises a spring and a push rod, the elastic force of the spring acts on the push rod, the top end of the push rod is abutted against the lock catch, a sliding groove is arranged above the moving contact seat and comprises a bending part and a straight part, the bending part of the sliding groove is upwards bent at one end close to the handle, the bending part and the straight part are in conduction arrangement, an abutting arm is arranged at the upper, the contact surface of the lock catch is close to the bent part of the sliding groove so as to lock the second end of the connecting rod at the bent part of the sliding groove, and the second end of the connecting rod can push the handle to close the circuit breaker after being locked at the bent part of the sliding groove; after the circuit breaker is switched on, an electric leakage tripping mechanism or a current tripper of the circuit breaker acts on the lock catch to enable the lock catch to rotate, the collision surface loses the locking of the second end of the connecting rod, and the second end of the connecting rod can slide into the straight part of the sliding groove to realize the switching-off of the circuit breaker; the electric leakage tripping mechanism comprises a voltage release and a linkage unit, wherein the linkage unit comprises a driving rod and a pull rod, the driving rod is hinged on a base or a middle seat, the two ends of the driving rod are respectively provided with a pull rod stirring end and a push rod abutting end, the pull rod is arranged on the base or the middle seat in a sliding mode, the push rod abutting end corresponds to the push rod position of the voltage release, the pull rod is provided with a lock catch abutting surface, the pull rod stirring end can stir the pull rod to slide, the lock catch abutting surface and the lock catch are matched to pull the lock catch to rotate so as to realize the opening of the circuit breaker, and a reset spring for resetting the driving rod is further arranged between the push rod abutting end and the middle seat.
By adopting the scheme, the second end of the connecting rod is locked or unlocked in a new mode, and the switching-on or switching-off action of the circuit breaker is realized, so that the mode is convenient to install, stable in action and free from misoperation; the flexion sets to the kickup, and the handle is opposite with traditional circuit breaker at the combined floodgate position with the dropout position like this, satisfies different customers 'demand, and traditional circuit breaker can't realize reverse operation, and above-mentioned electric leakage tripping device simple structure is small in addition, and setting that can be fine is in the second space of electric leakage circuit ware.
The invention further provides that: the upside of flexion is provided with and supports presses spacing face, and the second end of connecting rod is contradicted on supporting pressing spacing face after the circuit breaker combined floodgate, and the thrust direction that the handle produced to the connecting rod second end this moment is less than 180 degrees with supporting pressing the contained angle between the thrust direction that spacing produced to the connecting rod second end, and the conflict face on the conflict arm is L shape, and the below of conflict face is provided with makes things convenient for the connecting rod second end to slide into the flexion inclined plane, the bottom periphery of spout is provided with the recess.
Through adopting above-mentioned scheme, guarantee that the hasp under the exogenic action, the connecting rod second end can remove to the straight portion of spout to realize that the circuit breaker can normally trip.
The invention further provides that: still include test device and get electric mechanism, this mechanism is including setting up the fixture block on the base, form the spout between the fixture block, be provided with the push rod in the spout, the push rod is arranged in between the yoke of handle and voltage release, set up the round pin axle on the base, the epaxial cover of round pin is equipped with the torsional spring, the first extension arm conflict of torsional spring sets up on the first end of push rod, the second end and the moving contact base of push rod correspond the setting, the moving contact base rotates and to drive the push rod and remove, the side is provided with the breach on the yoke of voltage release, the first extension arm of torsional spring is located breach department, the moving contact base promotes the push rod and removes the first extension arm that compresses the torsional spring and make the torsional spring separate with the yoke after the circuit breaker floodgate, moving contact base release push rod after the circuit breaker closes a floodgate, the push rod removes under the elasticity.
Through adopting above-mentioned scheme, the electricity of torsional spring is realized from the yoke of release, push rod and moving contact base cooperation realize removing in addition, the push rod promotes the first extension arm of torsional spring activity in the breach of yoke and realizes contacting with the yoke or separate, above-mentioned mode is got the electricity and can be separated with the yoke at first extension arm of moving contact disconnection back, can not contact, just can not have electricity when test button presses like this, the circuit breaker has been protected, no matter how the wiring of circuit breaker, after the circuit breaker disconnection, the circuit board does not have the electricity all the time, the circuit board life-span has been improved.
The invention further provides that: the movable contact seat is provided with a convex block at the periphery of the sliding groove, the convex block is provided with a cambered surface at the bent part, and the cambered surface and the abutting limiting surface are connected into a whole to form an abutting limiting surface of the second end of the connecting rod.
By adopting the scheme, the area of the abutting limiting surface is increased, and the abutting effect is better.
The invention further provides that: the voltage release comprises a coil, a coil framework, a magnetic yoke and an iron core, wherein the magnetic yoke is arranged in a U shape, one end of the iron core is provided with a mandril, the iron core is arranged in a flat plate shape, the coil framework comprises a front end plate and a rear end plate which are oppositely arranged, a hollow main frame body is connected between the front end plate and the rear end plate, the main frame body is flat, the iron core is arranged in the main frame body in a penetrating way, the coil is wound on the main frame body, the front end plate is provided with an opening for the mandril to go in and out, the bottom edge of the magnetic yoke is attached to the front end surface of the front end plate, two opposite side edges of the magnetic yoke extend towards the direction of the rear end plate and are connected with; be equipped with the guide way along pull rod slip direction on the base, be equipped with the direction muscle towards base one side on the pull rod, the direction muscle slides and sets up in the guide way, be equipped with the articulated shaft on the base, be equipped with the hinge hole on the driving lever, the articulated shaft is worn to establish in the hinge hole, the link groove has been seted up on the pull rod towards the face of base one side, the pull rod is dialled the end and is extended to the link groove in, the link groove is dialled the both ends face of end towards the pull rod and is the cambered surface, the one end of pull rod extends to spacing lug respectively to base and well seat direction, the ejector pin is supported the contact end and is equipped with the location boss, be equipped with the spacer on the base, be provided with protruding muscle on the spacer and.
By adopting the technical scheme, the iron core is arranged into a flat plate shape, and the main frame body is arranged into a flat shape, so that the volume of the whole coil framework is reduced; moreover, this kind of front end plate, back end plate and yoke connected mode for it is more convenient that the unit mount, and in addition, the yoke surrounds and sets up on the coil, is favorable to the reinforcing and the improvement of iron core suction, is favorable to the stability of product. In addition, other settings ensure good tripping effect and stable work, and no false operation occurs.
The invention further provides that: the movable contact seat is provided with an L-pole movable contact on a convex column at one side of the lock catch, one side of the movable contact seat for mounting the L-pole movable contact is a first side, the other side of the movable contact seat is provided with a second convex column coaxial with the convex column, the second convex column is provided with an N-pole movable contact, the side of the movable contact seat is a second side, a positioning block is arranged below a convex block at the first side of the movable contact seat, the bottom of the convex column at the first side of the movable contact seat is provided with an arc-shaped convex column around one circumference thereof, a convex rib is arranged on the peripheral plane of the convex column at the first side of the movable contact seat, the lock catch is provided with a mounting through hole, the mounting through hole of the lock catch is sleeved on the convex column at the first side and forms a rotating fit with the arc-shaped convex column, the L-pole movable contact is sleeved on the convex column at the first side and is abutted against or close to the end part of the, a stop block is arranged at the lower side of the convex block, a limit groove is formed between the stop block and the side surface of the first side of the movable contact seat, a first torsion spring is arranged between the L-pole movable contact and the movable contact seat, the first torsion spring is also sleeved on the convex column at the first side, the first torsion arm of the first torsion spring is abutted in the limit groove, the second torsion arm of the first torsion spring is abutted on the first bayonet of the L-pole movable contact, the end wall of the second torsion arm of the first torsion spring is provided with a bending part which is inserted into the concave cavity below the first bayonet, a positioning sheet is arranged on the L-pole movable contact and is positioned between the positioning block of the movable contact seat and the convex block, the abutting of the positioning sheet and the positioning block or the convex block forms the limit of the rotation angle of the L-pole movable contact, a connecting column is arranged above the second convex column at the second side of the movable contact seat, a convex edge is arranged, a third torsion spring is sleeved on the connecting column, a first torsion arm of the third torsion spring is abutted against the abutting surface, a second torsion arm of the third torsion spring can be abutted against the abutting boss, a second stop block is arranged below the abutting boss, a positioning notch is formed between the second stop block and the side surface of the second side of the moving contact seat, a second bayonet is arranged on the N-pole moving contact, a second concave cavity is arranged on the second side of the moving contact seat and corresponds to the second bayonet, the N-pole moving contact is sleeved on a second convex column on the second side of the moving contact seat, a second torsion spring is arranged between the N-pole moving contact and the moving contact seat, the second torsion spring is also sleeved on the second convex column on the second side of the moving contact seat, a first torsion arm of the second torsion spring is abutted against the positioning notch, a second torsion arm of the second torsion spring is abutted against the second bayonet of the N-pole moving contact, and the end part of the second torsion arm of the second torsion spring is inserted into the second concave cavity after being bent, the second side of the movable contact seat is provided with a positioning lug, an N limit piece is arranged on the N pole movable contact and positioned between the positioning lug and the abutting lug boss, and the abutting of the N limit piece and the positioning lug or the abutting lug boss forms the limit of the rotating angle of the N pole movable contact.
By adopting the scheme, the lock catch is in running fit with the arc-shaped convex column, a gap can be formed, dust can enter the gap, the problems of adhesion and friction increasing and blocking caused by the influence of the dust can be avoided, and the friction is reduced by the arrangement of the convex ribs; the L utmost point moving contact adopts above-mentioned mode installation very convenient, and two arms of first torsional spring are very firm fixing on the mount pad in addition, and the rotation range of injecing the L utmost point moving contact that can be fine, and the L utmost point moving contact is inseparabler with the static contact when closing a floodgate simultaneously, can rotate in advance under the circumstances of heavy current, does benefit to quick separating brake.
The invention further provides that: the moving contact seat is characterized in that through holes which are communicated with each other are arranged on the convex column and the second convex column, a first boss is arranged on the base, a first shaft is integrally arranged on the first boss, a first annular groove is arranged at the periphery of the joint part of the first shaft and the first boss, the end part of the second convex column after the first shaft is sleeved with the second convex column is abutted in the first annular groove, a second boss is arranged on the upper cover, a second shaft is arranged on the second boss integrally, a second annular groove is arranged at the periphery of the joint part of the second shaft and the second boss, the end part of the second shaft after the convex column is sleeved with the convex column is abutted in the second annular groove, the width of the section of the first annular groove is larger than the wall thickness of the second convex column, the width of the section of the second annular groove is larger than the wall thickness of the convex column, the length of the first shaft is larger than that of the second shaft, the moving contact seat, and the position of the interference is positioned in the convex column.
By adopting the scheme, the movable contact base can be conveniently arranged on the base and the upper cover, the installation mode has multiple safety effects, no matter the convex column or the shaft is broken, the work cannot be influenced, the product can be continuously used, and the installation is very convenient.
The present invention will be further described with reference to the following examples.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view reflecting the first space and the second space in an embodiment of the present invention;
FIG. 3 is a perspective view of an embodiment of the present invention in a first space;
FIG. 4 is a perspective view of a second space in accordance with an embodiment of the present invention;
FIG. 5 is a perspective view showing the installation of the movable contact base, the L-pole movable contact and the latch according to the embodiment of the present invention;
FIG. 6 is a perspective view showing the installation of the movable contact block and the L-pole movable contact according to the embodiment of the present invention;
FIG. 7 is a perspective view showing the installation of the movable contact block and the N-pole movable contact according to the embodiment of the present invention;
fig. 8 is a perspective view of a movable contact base according to an embodiment of the present invention;
FIG. 9 is a perspective view showing the installation of the movable contact block and the lock catch according to the embodiment of the present invention;
FIG. 10 is a perspective view of an embodiment of the present invention reflecting the mounting between the movable contact block and the handle and link;
FIG. 11 is a force analysis diagram of FIG. 10;
FIG. 12 is a perspective view of an arc-shaped projection of the movable contact block according to the embodiment of the present invention;
FIG. 13 is a block diagram of a latch pusher mechanism according to an embodiment of the present invention;
FIG. 14 is a block diagram of a reflective linkage unit in accordance with an embodiment of the present invention;
FIG. 15 is a view of the linkage unit of the present invention in combination with individual components;
FIG. 16 is a block diagram of a seat in an embodiment of the present invention;
FIG. 17 is a block diagram of a base in accordance with an embodiment of the present invention;
FIG. 18 is a structural diagram of a power take-off mechanism according to an embodiment of the present invention;
FIG. 19 is a perspective view of a putter in accordance with an embodiment of the present invention;
fig. 20 is a structural diagram illustrating the engagement between a push rod and a movable contact base according to an embodiment of the present invention;
FIG. 21 is a schematic view of an embodiment of the present invention reflecting a putter in a first space;
FIG. 22 is a schematic view of an embodiment of the present invention reflecting a putter in a second space;
fig. 23 is a perspective view of a current release yoke according to an embodiment of the present invention;
fig. 24 is a perspective view of a voltage release in accordance with an embodiment of the present invention;
fig. 25 is a cross-sectional view of a voltage release in accordance with an embodiment of the present invention;
fig. 26 is a perspective view of a yoke of a voltage release in accordance with an embodiment of the present invention;
fig. 27 is a perspective view of a bobbin of a voltage release in accordance with an embodiment of the present invention;
FIG. 28 is a cross-sectional view of a reflective stud and a second stud of an embodiment of the present invention;
FIG. 29 is a block diagram of a base reflecting a first axis in accordance with an embodiment of the present invention;
FIG. 30 is a block diagram of the upper cover reflecting the second axis according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1-30, an electrical leakage breaker includes a base 1, a middle base 2, and an upper cover 3, wherein the middle base 2 is located between the base 1 and the upper cover 3, a first space 11 is defined between the middle base 2 and the base 1, a second space 12 is defined between the middle base 2 and the upper cover 3, an N-pole contact device and an electrical leakage tripping mechanism a are disposed in the first space 11, an L-pole contact device, an arc extinguish chamber C, and a double-gold-bar mechanism D are disposed in the second space 12, a moving contact base actuating mechanism E and a current tripping device F are disposed above the middle base 2, the moving contact base actuating mechanism E includes a moving contact base E1, a latch E2, a latch push-bar mechanism E6, a connecting rod E7, and a handle E8, wherein a first end of the connecting rod E7 is movably disposed on the handle E8, a second end is disposed on the moving contact base E1, an L-pole moving contact E3 of the L-pole contact device and an N-pole moving contact E4 of the N-pole contact device, the movable contact seat E1 is provided with a convex column E14, the lock catch E2 is sleeved on the convex column E14 through a through hole E21 arranged on the lock catch E14, the lock catch push rod mechanism E6 comprises a spring E61 and a push rod E62, the elastic force of the spring E61 acts on the push rod E62, the top end of the push rod E62 props against the lock catch E2, a sliding groove E111 is arranged above the movable contact seat E1, the sliding groove E111 comprises a bending part E1111 and a straight part E1112, the bending part E1111 of the chute E111 is bent upwards at one end close to the handle E8, the bending part E1111 and the straight part E1112 are arranged in a conducting way, the upper end of the lock catch E2 is provided with a contact arm E22, the contact arm E22 is provided with an abutting surface E23, the top end of a push rod E62 abuts against the side surface of the lock catch E2 after the breaker is disconnected, the abutting surface E23 of the lock catch E2 abuts against the chute bent part E1111 so as to lock the second end of the connecting rod E7 at the chute bent part E1111, and the second end of the connecting rod E7 is locked at the chute bent part E1111 and then can push the handle to close the breaker; after the circuit breaker is switched on, the leakage tripping mechanism A or the current tripper F of the circuit breaker acts on the lock catch E2 to enable the lock catch E2 to rotate, then the collision surface E23 loses the locking of the second end of the connecting rod E7, and at the moment, the second end of the connecting rod E7 can slide into the straight part E1112 of the sliding groove to realize the switching-off of the circuit breaker; the electric leakage tripping mechanism A comprises a voltage tripper A1 and a linkage unit A2, wherein the linkage unit A2 comprises a shifting rod A21 and a pull rod A22, the shifting rod A21 is hinged on the base 1 or the middle seat 2, a pull rod shifting end and a push rod abutting end are respectively formed at two ends of the shifting rod A21, the pull rod A22 is arranged on the base 1 or the middle seat 2 in a sliding mode, the push rod abutting end corresponds to the position of a push rod A15 of the current tripper A1, a latch abutting surface A221 is arranged on the pull rod A22, the pull rod shifting end can shift the pull rod A22 to slide, the latch abutting surface A221 is matched with the latch E2 to pull the latch E2 to rotate to achieve the opening of the circuit breaker, and a reset spring A4 for resetting the shifting rod A21 is further arranged between the push rod abutting end and the middle seat 2 or the; by adopting the scheme, the second end of the connecting rod E7 is locked or unlocked in a new mode, and the switching-on or switching-off action of the circuit breaker is realized, so that the mode is convenient to install, stable in action and free of misoperation; bending portion E1111 sets to the kickup, and handle E8 is opposite with traditional circuit breaker in the on-off position with the dropout position like this, satisfies different customers 'demand, and traditional circuit breaker can't realize the reversal, and above-mentioned electric leakage tripping device simple structure is small in addition, setting that can be fine in the second space of electric leakage circuit ware.
In the embodiment of the invention, the upper side of the curved portion E1111 is provided with a pressing limiting surface E1123, the second end of the connecting rod E7 abuts against the pressing limiting surface E1123 after the circuit breaker is closed, at this time, an included angle K between a thrust direction generated by the handle E8 to the second end of the connecting rod E7 and a thrust direction generated by the pressing limiting surface E1123 to the second end of the connecting rod E7 is less than 180 degrees, the abutting surface E23 on the abutting arm E22 is L-shaped, the lower side of the abutting surface E23 is provided with a slope E24 which facilitates the second end of the connecting rod E7 to slide into the curved portion, and the periphery of the bottom of the sliding slot E111 is provided with a groove E111. Adopt above-mentioned scheme, guarantee hasp E2 under the exogenic action, connecting rod E7 second end can remove to straight portion E1112 of spout to realize that the circuit breaker can normally trip.
In the embodiment of the present invention, the testing apparatus power-taking mechanism G further includes a power-taking mechanism G, the power-taking mechanism G includes fixture blocks disposed on the base 1, a chute G3 is formed between the fixture blocks, a push rod G4 is disposed in the chute G3, the push rod G4 is disposed between the handle E8 and the magnetic yoke F1 of the voltage release, a pin G11 is disposed on the base 1, a torsion spring G11 is sleeved on the pin G11, a first extension arm G11 of the torsion spring G11 is disposed in an abutting manner on the first end G11 of the push rod G11, a second end G11 of the push rod G11 is disposed corresponding to the movable contact seat E11 of the circuit breaker, the movable contact seat E11 rotates to drive the push rod G11 to move, a notch F11 is disposed on an upper side of the magnetic yoke F11, the first extension arm G11 of the torsion spring G11 is located at the notch F11, the movable contact seat E11 after the circuit breaker is opened, the movable contact seat E11 pushes the push rod 11 to compress the torsion spring G11 to make the, the push rod G4 moves under the elastic force of the torsion spring G5 to make the first extension arm G51 of the torsion spring G5 contact the inner wall at the notch F11 of the yoke F1. By adopting the scheme, the electricity taking of the torsion spring G5 is realized from the magnetic yoke F1 of the release, in addition, the push rod G4 is matched with the movable contact seat E1 to realize the movement, the push rod G4 pushes the first extension arm G51 of the torsion spring G5 to move in the gap F11 of the magnetic yoke F1 to realize the contact or separation with the magnetic yoke F1, the electricity taking can be realized by the mode that the first extension arm G51 is separated from the magnetic yoke F1 after the movable contact is disconnected and the contact is avoided, the electricity cannot be generated when the test button is pressed, the circuit breaker is protected, no matter how the circuit breaker is connected, the circuit board has no electricity all the time after the circuit breaker is disconnected, and the service life.
In the embodiment of the invention, a protrusion E112 is disposed on the movable contact seat E1 at the periphery of the sliding slot E111, and an arc surface is disposed on the protrusion E112 at the bent portion E1111, and the arc surface and the abutting limiting surface E1123 are connected to form an abutting limiting surface E1123 at the second end of the connecting rod E7. By adopting the scheme, the area of the abutting limiting surface E1123 is increased, so that the abutting effect is better.
In the embodiment of the invention, the voltage release A1 includes a coil a11, a coil skeleton a12, a yoke a13 and an iron core a14, the yoke a13 is U-shaped, a ram a15 is disposed at one end of the iron core a14, the iron core a14 is flat, the coil skeleton a12 includes a front end plate a121 and a rear end plate a122 which are disposed oppositely, a hollow main frame a123 is connected between the front end plate a121 and the rear end plate a122, the main frame a123 is flat, the iron core a14 is disposed in the main frame a123 in a penetrating manner, the coil a11 is disposed on the main frame a123 in a winding manner, an opening for the ram a15 to enter and exit is disposed on the front end plate a121, the bottom edge of the yoke a13 is attached to the front end surface of the front end plate a121, two opposite side edges of the yoke a13 extend in the direction of the rear end plate and are connected to two sides of the rear end plate, and a through hole a31 for the iron core a 14; the base 1 is last to be equipped with guide way A16 along pull rod A22 slip direction, be equipped with direction muscle A32 towards base 1 one side on the pull rod A22, direction muscle A32 slides and sets up in guide way A16, be equipped with the articulated shaft on the base 1, be equipped with the hinge hole on the driving lever A21, the articulated shaft is worn to establish in the hinge hole, linkage groove A222 has been seted up on the face of pull rod A22 towards base 1 one side, the pull rod stirs the end and extends to in linkage groove A222, both ends face of linkage groove A222 towards the pull rod stirs the end is the cambered surface, the one end of pull rod A22 extends to base 1 and well seat 2 direction respectively has spacing lug A223, the ejector pin butt end is equipped with the location boss, be equipped with locating plate A101 on the base 1, be provided with protruding muscle on the locating plate A101 and constitute locating groove A1011, reset spring A4 pot head is established and is contradicted with the ejector. By adopting the technical scheme, the iron core A14 is arranged into a flat plate shape, and the main frame A123 is arranged into a flat shape, so that the volume of the whole coil framework A12 is reduced, and the stability of a product is facilitated. In addition, other settings ensure good tripping effect and stable work, and no false operation occurs.
In the embodiment of the present invention, an L-pole moving contact E3 is installed on a convex pillar E4 on one side of a moving contact E1 where a latch E2 is installed, and one side of the moving contact E1 where the L-pole moving contact E3 is installed is a first side E11, the other side of the moving contact E11 is coaxially provided with the convex pillar E11, a N-pole moving contact E11 is installed on the second convex pillar E11, and the side of the moving contact E11 close to the first side E11, a positioning block E113 is disposed below a convex pillar E112 on the first side E11 of the moving contact E11, an arc-shaped convex pillar E114 is disposed around the bottom of the convex pillar E11 on the first side E11 of the moving contact E11, a convex rib E115 is disposed on a plane on the periphery of the convex pillar E11 on the first side E11 of the moving contact E11, a mounting through hole E11 is disposed on the latch E11, and the convex pillar E11 is disposed on the side of the arc-shaped convex pillar E11, and the moving contact E11 is disposed on the side E11, and the convex pillar E11, and the side of the moving contact E11, a first bayonet E31 is arranged on the L-pole moving contact E3, a concave cavity E15 is arranged on the moving contact seat E1 and corresponding to the first bayonet E31, a stopper E113 is arranged on the lower side of the projection E112, a limit groove E1122 is formed between the stopper E1121 and the side surface of the first side E11 of the moving contact seat E1, a first torsion spring E5 is arranged between the L-pole moving contact E3 and the moving contact seat E1, the first torsion spring E5 is also sleeved on the convex column E14 of the first side E11, the first torsion arm of the first torsion spring E5 abuts against the limit groove E1122, the second torsion arm of the first torsion spring E5 abuts against the first bayonet E31 of the L-pole moving contact E3, the end wall of the second torsion arm of the first torsion spring E5 has a bending portion, the bending portion is inserted into the concave cavity E15 below the first bayonet E31, a positioning piece E32 is arranged on the L-pole moving contact E3, and the positioning piece E32 is positioned between the positioning block E36113 of the positioning block E32 and the positioning lug boss 32 of the moving contact block 32, a connecting column E121 is arranged above a second convex column E15 of a second side E12 of the movable contact seat E1, a convex edge E1211 is arranged around the periphery of the connecting column E121, an abutting surface E12111 and an abutting convex platform E12112 are respectively arranged on the convex edge E1211, a third torsion spring E6 is sleeved on the connecting column E121, a first torsion arm of the third torsion spring E6 abuts on the abutting surface E12111, a second torsion arm of the third torsion spring E6 can abut on the abutting convex platform E12112, a second abutting block E121121 is arranged below the abutting convex platform E12112, a positioning notch E121122 is formed between the second abutting block E121121 and the side surface of the second side E12 of the movable contact seat E1, a second bayonet E42 is arranged on the N-pole E4, a movable contact recess E123 is arranged on the second side E12 of the movable contact seat E1 and at the position corresponding to the second bayonet E42, a movable contact cavity is arranged between the N-pole E4 and the movable contact seat E1 and the second convex column E1. The second torsion spring E7 is also sleeved on the second protruding pillar E15 of the second side E12 of the moving contact seat E1, the first torsion arm of the second torsion spring E7 abuts against the positioning notch E121122, the second torsion arm of the second torsion spring E7 abuts against the second bayonet E42 of the N-pole moving contact E4, and the end of the second torsion arm of the second torsion spring E7 is bent and inserted into the second cavity E123, the second side E12 of the moving contact seat E1 is provided with the positioning bump E122, the N-pole moving contact E4 and between the positioning bump E122 and the abutting boss E12112 is provided with an N-pole positioning piece E41, and the abutting of the N-pole positioning piece E41 and the positioning bump E122 or the abutting boss E12112 forms a limit of the rotation angle of the N-pole moving contact E4.
In the embodiment of the invention, through holes penetrating through the movable contact seat E1 and the boss E14 and the second boss E15 are provided, the base 1 is provided with a first boss H11, the first boss H11 is provided with a first shaft H12 integrally therewith, the periphery of the joint of the first shaft H12 and the first boss H1 is provided with a first annular groove H13, the second boss E15 is sleeved on the first shaft H12 and then the end of the second boss E15 is abutted in the first annular groove H13, the upper cover 3 is provided with a second boss H31, the second boss H31 is provided with a second shaft H32 integrally therewith, the periphery of the joint of the second shaft H32 and the second boss H31 is provided with a second annular groove H33, the end of the boss E33 is abutted in the second annular groove H33 after the boss E33 is sleeved on the second shaft H33, the width of the cross section of the first annular groove H33 is larger than the wall thickness of the second boss E33, and the width of the second annular groove H33 is larger than the cross section of the boss E33, the length of the first shaft H12 is greater than that of the second shaft H32, the first shaft H12 abuts against the second shaft H32 after the movable contact base E1 is installed on the base 1 and the upper cover 3, and the abutting position is located in the convex column E14. By adopting the scheme, the movable contact seat E' 1 can be conveniently arranged on the base 1 and the upper cover 3, the installation mode has multiple safety effects, no matter the convex column or the shaft is broken, the work cannot be influenced, the product can be continuously used, and in addition, the installation is also very convenient.
Claims (9)
1. The utility model provides a residual current circuit breaker, is including base, well seat, upper cover, and well seat is located between base and the upper cover, is first space between well seat and the base, is the second space between well seat and the upper cover, is provided with N utmost point contact device and creepage tripping device in the first space, is provided with L utmost point contact device, explosion chamber and two golden pull rod mechanisms in the second space, well seat top is provided with moving contact seat actuating mechanism and current release, its characterized in that: the moving contact seat action mechanism comprises a moving contact seat, a lock catch push rod mechanism, a connecting rod and a handle, wherein the first end of the connecting rod is movably arranged on the handle, the second end of the connecting rod is arranged on the moving contact seat, an L-pole moving contact of an L-pole contact device and an N-pole moving contact of an N-pole contact device are both arranged on the moving contact seat, a convex column is arranged on the moving contact seat, the lock catch is sleeved on the convex column through a through hole arranged on the convex column, the lock catch push rod mechanism comprises a spring and a push rod, the elastic force of the spring acts on the push rod, the top end of the push rod is abutted against the lock catch, a sliding groove is arranged above the moving contact seat and comprises a bending part and a straight part, the bending part of the sliding groove is upwards bent at one end close to the handle, the bending part and the straight part are in conduction arrangement, an abutting arm is arranged at the upper, the contact surface of the lock catch is close to the bent part of the sliding groove so as to lock the second end of the connecting rod at the bent part of the sliding groove, and the second end of the connecting rod can push the handle to close the circuit breaker after being locked at the bent part of the sliding groove; after the circuit breaker is switched on, an electric leakage tripping mechanism or a current tripper of the circuit breaker acts on the lock catch to enable the lock catch to rotate, the collision surface loses the locking of the second end of the connecting rod, and the second end of the connecting rod can slide into the straight part of the sliding groove to realize the switching-off of the circuit breaker; the electric leakage tripping mechanism comprises a voltage release and a linkage unit, wherein the linkage unit comprises a driving rod and a pull rod, the driving rod is hinged on a base or a middle seat, the two ends of the driving rod are respectively provided with a pull rod stirring end and a push rod abutting end, the pull rod is arranged on the base or the middle seat in a sliding mode, the push rod abutting end corresponds to the push rod position of the voltage release, the pull rod is provided with a lock catch abutting surface, the pull rod stirring end can stir the pull rod to slide, the lock catch abutting surface and the lock catch are matched to pull the lock catch to rotate so as to realize the opening of the circuit breaker, and a reset spring for resetting the driving rod is further arranged between the push rod abutting end and the middle seat.
2. A residual current circuit breaker as claimed in claim 1, characterized in that: the upside of flexion is provided with and supports presses spacing face, and the second end of connecting rod is contradicted on supporting pressing spacing face after the circuit breaker combined floodgate, and the thrust direction that the handle produced to the connecting rod second end this moment is less than 180 degrees with supporting pressing the contained angle between the thrust direction that spacing produced to the connecting rod second end, and the conflict face on the conflict arm is L shape, and the below of conflict face is provided with makes things convenient for the connecting rod second end to slide into the flexion inclined plane, the bottom periphery of spout is provided with the recess.
3. A residual current circuit breaker as claimed in claim 1 or 2, characterized in that: still include test device and get electric mechanism, this mechanism is including setting up the fixture block on the base, form the spout between the fixture block, be provided with the push rod in the spout, the push rod is arranged in between the yoke of handle and voltage release, set up the round pin axle on the base, the epaxial cover of round pin is equipped with the torsional spring, the first extension arm conflict of torsional spring sets up on the first end of push rod, the second end and the moving contact base of push rod correspond the setting, the moving contact base rotates and to drive the push rod and remove, the side is provided with the breach on the yoke of voltage release, the first extension arm of torsional spring is located breach department, the moving contact base promotes the push rod and removes the first extension arm that compresses the torsional spring and make the torsional spring separate with the yoke after the circuit breaker floodgate, moving contact mount pad release push rod after the circuit breaker closes a floodgate, the push rod removes under the elasticity.
4. A residual current circuit breaker as claimed in claim 2, characterized in that: the movable contact seat is provided with a convex block at the periphery of the sliding groove, the convex block is provided with a cambered surface at the bent part, and the cambered surface and the abutting limiting surface are connected into a whole to form an abutting limiting surface of the second end of the connecting rod.
5. A residual current circuit breaker as claimed in claim 1 or 2, characterized in that: the voltage release comprises a coil, a coil framework, a magnetic yoke and an iron core, wherein the magnetic yoke is arranged in a U shape, one end of the iron core is provided with a mandril, the iron core is arranged in a flat plate shape, the coil framework comprises a front end plate and a rear end plate which are oppositely arranged, a hollow main frame body is connected between the front end plate and the rear end plate, the main frame body is flat, the iron core is arranged in the main frame body in a penetrating way, the coil is wound on the main frame body, the front end plate is provided with an opening for the mandril to go in and out, the bottom edge of the magnetic yoke is attached to the front end surface of the front end plate, two opposite side edges of the magnetic yoke extend towards the direction of the rear end plate and are connected with; be equipped with the guide way along pull rod slip direction on the base, be equipped with the direction muscle towards base one side on the pull rod, the direction muscle slides and sets up in the guide way, be equipped with the articulated shaft on the base, be equipped with the hinge hole on the driving lever, the articulated shaft is worn to establish in the hinge hole, the link groove has been seted up on the pull rod towards the face of base one side, the pull rod is dialled the end and is extended to the link groove in, the link groove is towards the both ends face that the pull rod was dialled the end and is the cambered surface, the one end of pull rod extends to spacing lug respectively to base and well seat direction, it is equipped with protruding muscle along pull rod slip direction to lie in pull rod other end position on the well seat, the ejector pin is supported the end and is equipped with the location boss, be equipped with the spacer on the base.
6. A residual current circuit breaker as claimed in claim 1 or 2, characterized in that: the movable contact seat is provided with an L-pole movable contact on a convex column at one side of the lock catch, one side of the movable contact seat for mounting the L-pole movable contact is a first side, the other side of the movable contact seat is provided with a second convex column coaxial with the convex column, the second convex column is provided with an N-pole movable contact, the side of the movable contact seat is a second side, a positioning block is arranged below a convex block at the first side of the movable contact seat, the bottom of the convex column at the first side of the movable contact seat is provided with an arc-shaped convex column around one circumference thereof, a convex rib is arranged on the peripheral plane of the convex column at the first side of the movable contact seat, the lock catch is provided with a mounting through hole, the mounting through hole of the lock catch is sleeved on the convex column at the first side and forms a rotating fit with the arc-shaped convex column, the L-pole movable contact is sleeved on the convex column at the first side and is abutted against or close to the end part of the, a stop block is arranged at the lower side of the convex block, a limit groove is formed between the stop block and the side surface of the first side of the movable contact seat, a first torsion spring is arranged between the L-pole movable contact and the movable contact seat, the first torsion spring is also sleeved on the convex column at the first side, the first torsion arm of the first torsion spring is abutted in the limit groove, the second torsion arm of the first torsion spring is abutted on the first bayonet of the L-pole movable contact, the end wall of the second torsion arm of the first torsion spring is provided with a bending part which is inserted into the concave cavity below the first bayonet, a positioning sheet is arranged on the L-pole movable contact and is positioned between the positioning block of the movable contact seat and the convex block, the abutting of the positioning sheet and the positioning block or the convex block forms the limit of the rotation angle of the L-pole movable contact, a connecting column is arranged above the second convex column at the second side of the movable contact seat, a convex edge is arranged, a third torsion spring is sleeved on the connecting column, a first torsion arm of the third torsion spring is abutted against the abutting surface, a second torsion arm of the third torsion spring can be abutted against the abutting boss, a second stop block is arranged below the abutting boss, a positioning notch is formed between the second stop block and the side surface of the second side of the moving contact seat, a second bayonet is arranged on the N-pole moving contact, a second concave cavity is arranged on the second side of the moving contact seat and corresponds to the second bayonet, the N-pole moving contact is sleeved on a second convex column on the second side of the moving contact seat, a second torsion spring is arranged between the N-pole moving contact and the moving contact seat, the second torsion spring is also sleeved on the second convex column on the second side of the moving contact seat, a first torsion arm of the second torsion spring is abutted against the positioning notch, a second torsion arm of the second torsion spring is abutted against the second bayonet of the N-pole moving contact, and the end part of the second torsion arm of the second torsion spring is inserted into the second concave cavity after being bent, the second side of the movable contact seat is provided with a positioning lug, an N limit piece is arranged on the N pole movable contact and positioned between the positioning lug and the abutting lug boss, and the abutting of the N limit piece and the positioning lug or the abutting lug boss forms the limit of the rotating angle of the N pole movable contact.
7. A residual current circuit breaker as claimed in claim 3, characterized in that: the movable contact seat is provided with an L-pole movable contact on a convex column at one side of the lock catch, one side of the movable contact seat for mounting the L-pole movable contact is a first side, the other side of the movable contact seat is provided with a second convex column coaxial with the convex column, the second convex column is provided with an N-pole movable contact, the side of the movable contact seat is a second side, a positioning block is arranged below a convex block at the first side of the movable contact seat, the bottom of the convex column at the first side of the movable contact seat is provided with an arc-shaped convex column around one circumference thereof, a convex rib is arranged on the peripheral plane of the convex column at the first side of the movable contact seat, the lock catch is provided with a mounting through hole, the mounting through hole of the lock catch is sleeved on the convex column at the first side and forms a rotating fit with the arc-shaped convex column, the L-pole movable contact is sleeved on the convex column at the first side and is abutted against or close to the end part of the, a stop block is arranged at the lower side of the convex block, a limit groove is formed between the stop block and the side surface of the first side of the movable contact seat, a first torsion spring is arranged between the L-pole movable contact and the movable contact seat, the first torsion spring is also sleeved on the convex column at the first side, the first torsion arm of the first torsion spring is abutted in the limit groove, the second torsion arm of the first torsion spring is abutted on the first bayonet of the L-pole movable contact, the end wall of the second torsion arm of the first torsion spring is provided with a bending part which is inserted into the concave cavity below the first bayonet, a positioning sheet is arranged on the L-pole movable contact and is positioned between the positioning block of the movable contact seat and the convex block, the abutting of the positioning sheet and the positioning block or the convex block forms the limit of the rotation angle of the L-pole movable contact, a connecting column is arranged above the second convex column at the second side of the movable contact seat, a convex edge is arranged, a third torsion spring is sleeved on the connecting column, a first torsion arm of the third torsion spring is abutted against the abutting surface, a second torsion arm of the third torsion spring can be abutted against the abutting boss, a second stop block is arranged below the abutting boss, a positioning notch is formed between the second stop block and the side surface of the second side of the moving contact seat, a second bayonet is arranged on the N-pole moving contact, a second concave cavity is arranged on the second side of the moving contact seat and corresponds to the second bayonet, the N-pole moving contact is sleeved on a second convex column on the second side of the moving contact seat, a second torsion spring is arranged between the N-pole moving contact and the moving contact seat, the second torsion spring is also sleeved on the second convex column on the second side of the moving contact seat, a first torsion arm of the second torsion spring is abutted against the positioning notch, a second torsion arm of the second torsion spring is abutted against the second bayonet of the N-pole moving contact, and the end part of the second torsion arm of the second torsion spring is inserted into the second concave cavity after being bent, the second side of the movable contact seat is provided with a positioning lug, an N limit piece is arranged on the N pole movable contact and positioned between the positioning lug and the abutting lug boss, and the abutting of the N limit piece and the positioning lug or the abutting lug boss forms the limit of the rotating angle of the N pole movable contact.
8. A residual current circuit breaker as claimed in claim 6, characterized in that: the moving contact seat is characterized in that through holes which are communicated with each other are arranged on the convex column and the second convex column, a first boss is arranged on the base, a first shaft is integrally arranged on the first boss, a first annular groove is arranged at the periphery of the joint part of the first shaft and the first boss, the end part of the second convex column after the first shaft is sleeved with the second convex column is abutted in the first annular groove, a second boss is arranged on the upper cover, a second shaft is arranged on the second boss integrally, a second annular groove is arranged at the periphery of the joint part of the second shaft and the second boss, the end part of the second shaft after the convex column is sleeved with the convex column is abutted in the second annular groove, the width of the section of the first annular groove is larger than the wall thickness of the second convex column, the width of the section of the second annular groove is larger than the wall thickness of the convex column, the length of the first shaft is larger than that of the second shaft, the moving contact seat, and the position of the interference is positioned in the convex column.
9. A residual current circuit breaker as claimed in claim 7, characterized in that: the moving contact seat is characterized in that through holes which are communicated with each other are arranged on the convex column and the second convex column, a first boss is arranged on the base, a first shaft is integrally arranged on the first boss, a first annular groove is arranged at the periphery of the joint part of the first shaft and the first boss, the end part of the second convex column after the first shaft is sleeved with the second convex column is abutted in the first annular groove, a second boss is arranged on the upper cover, a second shaft is arranged on the second boss integrally, a second annular groove is arranged at the periphery of the joint part of the second shaft and the second boss, the end part of the second shaft after the convex column is sleeved with the convex column is abutted in the second annular groove, the width of the section of the first annular groove is larger than the wall thickness of the second convex column, the width of the section of the second annular groove is larger than the wall thickness of the convex column, the length of the first shaft is larger than that of the second shaft, the moving contact seat, and the position of the interference is positioned in the convex column.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011564435.0A CN112530752A (en) | 2020-12-25 | 2020-12-25 | Residual current circuit breaker |
| PCT/CN2021/133630 WO2022135045A1 (en) | 2020-12-25 | 2021-11-26 | Electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011564435.0A CN112530752A (en) | 2020-12-25 | 2020-12-25 | Residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112530752A true CN112530752A (en) | 2021-03-19 |
Family
ID=74976493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011564435.0A Pending CN112530752A (en) | 2020-12-25 | 2020-12-25 | Residual current circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112530752A (en) |
| WO (1) | WO2022135045A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022135041A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Circuit breaker |
| WO2022135047A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Linkage device for lock catch and moving contact of circuit breaker |
| WO2022135038A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Moving contact mechanism of circuit breaker |
| WO2022135043A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Moving contact operating mechanism of circuit breaker |
| WO2022135045A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Electric leakage circuit breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762033B (en) * | 2016-04-27 | 2018-09-07 | 乐清市也为电气有限公司 | A kind of moving contact operating mechanism of leakage circuit breakers |
| CN107393770B (en) * | 2017-08-24 | 2019-11-08 | 乐清市也为电气有限公司 | A kind of leakage circuit breakers |
| CN207765380U (en) * | 2018-02-02 | 2018-08-24 | 乐清市也为电气有限公司 | The breaker that a kind of firewire and zero curve can all disconnect |
| CN111211015A (en) * | 2020-03-04 | 2020-05-29 | 浙江秦智电气科技有限公司 | Quick closing circuit breaker and circuit breaker group |
| CN112530752A (en) * | 2020-12-25 | 2021-03-19 | 浙江奥来电器有限公司 | Residual current circuit breaker |
-
2020
- 2020-12-25 CN CN202011564435.0A patent/CN112530752A/en active Pending
-
2021
- 2021-11-26 WO PCT/CN2021/133630 patent/WO2022135045A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022135041A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Circuit breaker |
| WO2022135047A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Linkage device for lock catch and moving contact of circuit breaker |
| WO2022135038A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Moving contact mechanism of circuit breaker |
| WO2022135043A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Moving contact operating mechanism of circuit breaker |
| WO2022135045A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | Electric leakage circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022135045A1 (en) | 2022-06-30 |
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