848results about "Protective switch terminals/connections" patented technology

The invention relates to the technical field of circuit breakers, in particular to a circuit breaker with a reclosing mechanism, which comprises a shell, a circuit breaker handle is rotationally arranged in the shell, an operating rod and at least three gears meshed in sequence are further rotationally arranged in the shell, and the tooth number of each gear is gradually increased in sequence. The two gears located on the two sides are a small gear and a large gear respectively, the number of teeth of the small gear is smaller than the number of teeth of the large gear, the operating rod is fixedly connected with the small gear, and the large gear is in transmission connection with a circuit breaker handle. Speed reduction and torque increase are realized through the gear train, so that the force required to be applied when a user manually operates the handle of the circuit breaker is remarkably reduced, the operation intensity is reduced, the convenience of manual reclosing is improved, and the manual reclosing device is particularly suitable for a large-current circuit breaker or an occasion requiring a relatively large operation torque.

A circuit breaker comprises a circuit breaker body, and accessories which can be selectively and additionally arranged on the circuit breaker body at least comprise an air outlet groove accessory, an arc striking row accessory, a bottom cover and a dustproof cover accessory. The beneficial effects of the invention are that the technical scheme achieves the selectable installation of accessories through the modular design, and remarkably improves the applicability and flexibility of the circuit breaker. A user can flexibly combine the accessories according to actual use scenes (such as different environments or functional requirements), so that the purchase of unnecessary components is avoided, and the initial cost is reduced; meanwhile, a subsequent installation mechanism allows a user to gradually expand functions when demands change, the whole circuit breaker does not need to be replaced, and resource waste is reduced.

The present disclosure relates to a circuit breaker having an energy releasing mechanism of an opening / closing mechanism part, and a circuit breaker according to an embodiment of the present invention comprises: an input latch locking device rotatably formed to restrict or release an input latch according to rotating angles thereof; an interlock movement rail which is installed on a cradle and in which an inspection position, a preparation position, and a driving position are configured; an interlock member for operating at least one among the input latch and a trip latch in a section excluding the inspection position, the preparation position, and the driving position while vertically moving in association with a relative movement of the interlock movement rail; and at least one link member connected between the interlock member and the input latch locking device and switching a linear movement in a vertical direction of the interlock member to a rotation movement, thereby rotating the input latch locking device.

The invention discloses a molded case circuit breaker, which comprises a shell, and an electric operating mechanism is arranged in the shell. The electric operating mechanism comprises a moving contact action assembly with a rotating block and a shifting rod, a sliding block which is arranged on the shell in a sliding manner and can drive the shifting rod to shift, an operating shaft which can drive the sliding block to slide and is provided with an operating hole site, and a motor speed reduction assembly which can drive the operating shaft to rotate, and the operating shaft is in linkage connection with a shifting shaft block; the sliding block is provided with a matching groove corresponding to the shifting shaft block, the operation shaft rotates to drive the shifting shaft block to shift in the matching groove so as to drive the sliding block to slide, the shell is provided with a cover plate capable of shielding the operation hole position in a sliding mode, and the shell is further provided with a rotating lock and a tripping button located on one side of the rotating lock. By arranging the locking microswitch, the manual microswitch, the first microswitch and the second microswitch, signal feedback of a manual operation state, a rotating lock locking state and a current circuit breaker state can be realized.

The utility model discloses a mounting structure of an electric leakage protection module, which comprises a plurality of circuit breakers and the electric leakage protection module, the electric leakage protection module is spliced with the plurality of circuit breakers, and one end of the electric leakage protection module spliced with the circuit breakers is provided with a plurality of rigid first conductive plates. Corresponding ends of the plurality of circuit breakers are provided with rigid second conductive plates, one end of the electric leakage protection module is provided with an insertion block or a slot, and one end of each circuit breaker is provided with a slot or an insertion block which is in insertion fit with the insertion block or the slot of the electric leakage protection module along the longitudinal direction. The first conductive plate and the second conductive plate can be stacked together in the longitudinal direction while the electric leakage protection module and the circuit breaker are connected in an inserted mode through the inserting block and the inserting groove, the first conductive plate and the second conductive plate are connected and fixed through screws, an opening is formed in the upper portion of the splicing position of the circuit breaker and the electric leakage protection module, and a cover plate is arranged at the opening. The utility model has the advantages of simple assembly process and strong reliability.

The invention provides a miniature breaker with a novel current detection assembly. The miniature breaker with a novel current detection assembly includes a breaker main body and a novel current detection assembly, wherein the novel current detection assembly includes a Hall magnetic field sensor, a current detection wire, and a Hall magnetic field sensor detection circuit board; a detection Hallmagnetic field sensor in the Hall magnetic field sensor without a magnetic core is used to detect a magnetic field which is generated from the current detection wire, and an environment Hall magneticfield sensor in the Hall magnetic field sensor is used to detect a background magnetic field in the environment; and the difference values detected by the detection Hall magnetic field sensor and theenvironment Hall magnetic field sensor are processed to obtain the magnitude of the current, so as to eliminate the interference of the background magnetic field and enable the detected current to bemore accurate. Therefore, the breaker with the novel current detection assembly can accurately perform opening and closing.

The invention discloses overload protection equipment for a self-open circuit type charging pile, and relates to the related field of charging piles, the overload protection equipment comprises a charging pile cabinet body, the rear side of the charging pile cabinet body is installed at the horizontal plane position through a supporting seat, and heat dissipation openings are formed in the left and right side walls of the charging pile cabinet body; and a mounting plate is mounted in the middle of the interior of the charging pile cabinet body, a swing mechanism is further arranged on the outer side of the top of the driving cam part in an attached mode, one side of the swing mechanism acts on the side face of an air injection mechanism, and the air injection mechanism is mounted at the position above an electric appliance element in the charging pile cabinet body. According to the overload protection equipment for the self-open-circuit type charging pile, the temperature of the control module is monitored in real time through the temperature sensor, a cam part is rapidly linked and driven during overload, a movable plate and a contact block of the open circuit mechanism are driven to move, an elastic normally-touch switch is accurately triggered by means of a trapezoidal contact groove, air injection and heat dissipation are conducted on electrical components in a targeted mode, and the overload protection effect is improved. The influence of heat accumulation on elements is reduced, and the use safety and the service life of the charging pile are remarkably improved.

The invention relates to the technical field of low-voltage switch cabinets, in particular to an interlocking mechanism, a hand-cranking movable plug-in type assembly and a hand-cranking movable plug-in type unit. The interlocking mechanism comprises a position interlocking mechanism and a closing interlocking mechanism; the rear end of a transition connecting rod of the closing interlocking mechanism is in linkage fit with a position locking plate through a linkage structure, and an interlocking part is arranged on a closing interlocking plate and used for being matched with the front end of the transition connecting rod to achieve closing interlocking. A plugging assembly rack of the hand-cranking movable plugging assembly is located behind the closing interlocking mechanism, and the rear end of the closing interlocking support is installed at the front end of an assembly rack bottom plate of the plugging assembly rack. The beneficial effects are that the closing interlocking mechanism and the position interlocking mechanism can be arranged front and back; the hand-cranking movable plug-in type unit can be maintained without power failure, the depth of a unit chamber can be 300mm, the depth of a plug-in assembly rack can be 200mm, and the hand-cranking movable plug-in type unit has the functions of isolation-connection position positioning, hand-cranking propelling mechanism locking, circuit breaker switching-on locking and circuit breaker switching-off unlocking.

The invention discloses a circuit breaker switch and intelligent detection system with real-time detection, which comprises a circuit breaker body, a contact system, an arc extinguishing system and an operating mechanism are arranged in the circuit breaker body, the contact system comprises a moving contact and a static contact, the bottom of the moving contact is fixedly connected with a bimetallic strip through a soft connecting line, and the bimetallic strip is fixedly connected with the arc extinguishing system through the soft connecting line. The invention relates to the technical field of circuit breakers. According to the circuit breaker switch with the real-time detection function and the intelligent detection system, a bimetallic strip is connected to the bottom of a moving contact, one end of the bimetallic strip is connected with a connecting piece made of a copper-molybdenum composite material, a box body made of red copper is installed at the bottom of the connecting piece, tin-bismuth alloy is injected into the box body, a heat pipe is attached to the bottom of the box body, and heat dissipation fins are installed at one end of the heat pipe. And the copper-molybdenum composite material connecting sheet has extremely low thermal expansion and high thermal conductivity, so that the efficient transfer of heat can be ensured, and the influence of thermal expansion on the structural stability can be reduced.

The invention discloses a magnetic rotation arc extinguishing circuit breaker contact structure, and belongs to the technical field of high-voltage electric connectors. Comprising an arc extinguishing device, a connecting device and a circuit breaker contact, the arc extinguishing device can be connected with the circuit breaker contact through the connecting device, the arc extinguishing device is integrally of a cylindrical structure, a longitudinal magnetic field is generated when current flows through the arc extinguishing device, and when an arc passes through the middle area of the arc extinguishing device, the arc is effectively stretched and rapidly extinguished under the action of the magnetic field. The connecting device comprises a centering piece and a fixing assembly, the centering piece can fix the arc extinguishing device on the axis of the centering piece, and the fixing assembly can fix the arc extinguishing device. Through the arc extinguishing assembly, a longitudinal magnetic field is formed when current passes through the arc extinguishing assembly, and the arc rotates and stretches along a spiral path under the action of magnetic field force, so that the arc extinguishing efficiency of the circuit breaker is remarkably improved, and the problem that the magnetic field direction is inconsistent with the arc flowing direction in the prior art is solved.

The invention relates to the field of circuit breakers, and particularly discloses a grounding circuit breaker, which comprises a box body structure, a fixing piece and a clamping piece, the use of the box body structure not only can limit the sliding of the fixing piece, but also can tighten the clamping piece, thereby clamping the electric wire and preventing the electric wire from falling off and inclining. The fixing piece is used to replace the original mode of fixing the wire by screws, so that the operation steps are simplified, the wire is more quickly and conveniently fixed, the wire is effectively prevented from sliding left and right, and the problems of unstable wire installation, wire loosening, poor contact and the like are avoided; the use of the clamping member not only can clamp the wire, improve the stability of the fixing member for fixing the line and prevent the wire from loosening, but also can wrap the wire, so that the wire cannot move left and right, the fixing member can accurately clamp the wire, and the reliability of the fixing member is improved.

The object of the present invention relates to an electromechanical system for interrupting (1) an electric current exhibiting an overload anomaly and / or a short circuit and / or a residual current, comprising - at least one set (2) of current input connection terminals comprising at least, on the one hand, a connection terminal (2a) dedicated to the phase current and, on the other hand, a connection terminal (2b) dedicated to the neutral current, - at least one thermal relay (3) and / or an electromagnetic relay (4) and / or a differential current measuring device (5) coupled to a switch, characterized in that the interruption system (1) also comprises at least two sets (6) of current output connection terminals, each comprising at least one connection terminal (6a) dedicated to the phase current and one connection terminal (6b) dedicated to the neutral current, so that, on the one hand,Each output phase current connection terminal (6a) is connected to the input phase current connection terminal (2a) at a common node (7a), and, conversely, each output neutral current connection terminal (6b) is connected to the input neutral current connection terminal (2b) at a common node (7b).

The invention relates to an N-pole module assembly of a circuit breaker and the circuit breaker. The N-pole module assembly of the circuit breaker comprises a main body function module and a current detection module, and further comprises a first N-pole conductive plate fixedly integrated on the main body function module and a second N-pole conductive plate fixedly integrated on the current detection module, and the main body function module and the current detection module are respectively two independent modular structures. And the first N-pole current-conducting plate and the second N-pole current-conducting plate are fixedly and electrically connected to form an N-pole electric loop. According to the invention, the complicated bending and wiring process of the soft wire in the N-pole module assembly in the prior art is avoided, the assembly is convenient, and the automatic assembly can be realized. Moreover, through the special arrangement of the relative positions of the N-pole electric loop and the L-pole electric loop, the Lorentz force generated by the magnetic field generated by the current on the N-pole electric loop on the electric arc in the circuit breaker unit can assist the electric arc to be further pushed and lengthened, and the effect of enhancing the magnetic quenching function can be achieved.

Electrical protection device, distribution assembly, and associated electrical switchgear. This electrical protection device (300), configured to electrically connect an electrical load (M) to an electrical power source (S), includes incoming terminals (302), outgoing terminals (304), and switching means (310) actuated by a bistable actuator (324). A microcontroller (320) is provided to generate a fault signal (S320), which triggers the actuator, and an output signal (S321), which is different from the fault signal. The protection device includes a supervisory circuit (500), which is interposed between the microcontroller (320) and the actuator (324) and which includes an oscillator (510) configured to generate a periodic signal (S510).The monitoring circuit is configured to generate a trigger signal (S324) when, alternatively, the output signal (S321) of the microcontroller (320) is absent, or the periodic signal (S510) of the oscillator (510) is absent, or when a fault signal (S320) is emitted. See Figure 6 for abbreviations.

The invention provides a circuit breaker execution module and an assembly process thereof. The circuit breaker execution module comprises a first side cover, a second side cover, a tripping execution mechanism, a test device and an electronic component board, the first side cover is provided with a first mounting position close to the first side in the thickness direction and a second mounting position close to the second side in the thickness direction; the tripping execution mechanism and / or the test device are / is assembled on the first mounting position, and the tripping execution mechanism is provided with a first pin group extending towards the second side direction; the test device is provided with a second pin group extending towards the direction of the second side; the electronic component board is assembled on the second mounting position; the first pin group and / or the second pin group are / is connected with the electronic component board; the problems that wire electric connection operation is tedious, unreliable and incapable of achieving automation are solved.

The invention discloses an intelligent circuit breaker for photovoltaic power generation, and relates to the technical field of circuit breakers, the intelligent circuit breaker comprises a circuit breaker front cover, the rear end of the circuit breaker front cover is fixedly connected with a circuit breaker main body through a bolt, a plurality of wire clamping mechanisms are arranged on the top surface and the bottom surface of the circuit breaker main body in a penetrating manner, and the wire clamping mechanisms are used for connecting and fixing wires; a switching mechanism is arranged at the rear part of the top of the wire clamping mechanism and is used for adjusting the connection state of the plurality of wire clamping mechanisms, so that the plurality of wire clamping mechanisms can be switched between independent adjustment or overall adjustment according to requirements; a driving mechanism is arranged at the top of the switching mechanism and is used for driving the switching mechanism; and the top and the bottom of the circuit breaker main body are movably connected with sealing covers through spring hinges. According to the invention, different states can be switched according to use requirements, so that wires can be synchronously fixed or independently fixed, and the wires with different thicknesses can be fixed at the same time.

The utility model relates to the technical field of electric connectors, in particular to a quick connector which comprises a connector body, the connector body comprises a connecting end used for being connected with a circuit breaker and a plugging end used for being connected with a wiring copper bar on a bus adapter, the connecting end and the plugging end are integrally formed in a bending mode, and the connecting end is connected with the wiring copper bar. The plugging end comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are symmetrically arranged on the two sides of the connecting end, the first clamping piece and the second clamping piece are provided with a first clamping groove and a second clamping groove respectively, and the first clamping groove and the second clamping groove are used for simultaneous plugging of wiring copper bars. According to the utility model, the connection structure of the wiring copper column is optimized through the connector which can be rapidly plugged, the connector is a detachable independent connector, the connection direction can be changed through bending, the connector is connected with the wiring copper bar in a plugging manner, and the connection steps are simple.

The utility model discloses a residual current operated circuit breaker, which relates to the technical field of circuit breakers and comprises a shell and a contact box assembled in the shell, a wire outlet end static contact and a wire inlet end static contact are respectively assembled on two sides of the contact box, the wire outlet end static contact comprises a connecting part, an extending part and a mounting part, and the connecting part is connected with the extending part. Wherein the mounting part is integrally of a U-shaped structure, a cavity matched with the U-shaped mounting part is formed in the contact box, the extension part is located between the connecting part and the mounting part, the extension part, the connecting part and the mounting part are integrally formed through extrusion, the extension part is additionally arranged to connect the connecting part and the mounting part, and the extension part, the connecting part and the mounting part are integrally formed through extrusion, so that the length of the wire outlet end static contact is effectively increased; and large current can pass through.

This application discloses a leakage circuit breaker, which includes: at least one circuit breaker module, a tripping module, and a transformer module. The circuit breaker module and the tripping module are respectively plug-in connected to the transformer module such that these modules are assembled into an integrated leakage circuit breaker, which not only achieves a miniaturization of the assembled leakage circuit breaker but also improves an efficiency of assembly and disassembly of the leakage circuit breaker.

The invention discloses a safe power distribution device and system, and the device comprises a power distribution cabinet, the side wall of the inner cavity of the power distribution cabinet is provided with a pedestal, the side wall of the pedestal is provided with a plurality of circuit breaker assemblies, each circuit breaker assembly comprises a circuit breaker body, the side wall of each circuit breaker body is provided with an operation handle, and the bottom of the inner cavity of the power distribution cabinet is provided with a zero line bar assembly. According to the safe power distribution device and the safe power distribution system, the plug seat is inserted into the connector circuit breaker for overall plugging, so that the replacement is safer and faster, and the maintenance is more convenient; through the design of combining a plurality of pins with the connector assembly, synchronous, rapid and one-time establishment and separation of all electrical connections can be realized, the risk of electric shock caused by frequent operation can be avoided, secondly, the connection male seat and the connection female seat are spliced to splice the bus bar to realize on-demand expansion of the power distribution capacity and the number of loops, wire arrangement inspection is facilitated, and the working efficiency is improved. The zero line bare wire head is pressed through resilience force of the conductive reed, so that wiring is more convenient and stable.

The invention belongs to the technical field of circuit breaker performance testing, and particularly relates to a performance testing device for a circuit breaker and a frame circuit breaker, the performance testing device comprises a detection station, a conveying mechanism is arranged in the detection station, the frame circuit breaker is placed at the top of the conveying mechanism, and a centering mechanism is arranged at the top of the conveying mechanism. According to the invention, a fixed detection station is formed on the front side of the conveying mechanism through the detection table, and the conveying mechanism is matched with the transfer mechanism, so that the frame circuit breaker can move from the conveying mechanism to the fixed detection station for detection, and the frame circuit breaker in detection does not block other frame circuit breakers conveyed on the conveying mechanism; the conveying mechanism is ensured to have the conveying capacity all the time, the testing efficiency can be further improved, the conveying mechanism is matched with the transferring mechanism, the detected frame circuit breaker can be transferred to the conveying mechanism so that the detected frame circuit breaker can be conveyed to the next station, and the testing efficiency can be improved again.

The utility model relates to the field of low-voltage electrical technology of an electric power system, in particular to a static contact assembly and a molded case circuit breaker, a static contact body is composed of an inverted Z-shaped connecting part and an inverted U-shaped contact part, a static contact is arranged on the top end face of the contact part, an arc striking sheet is connected to the lower surface of the static contact body, and the arc striking sheet is connected to the lower surface of the static contact body. The arc striking piece is located at the front end of the static contact and used for pointing to arc striking of an arc extinguish chamber, and the magnetic increasing pieces are connected to the contact part and located on the two sides of the upper portion of the static contact, so that magnetic field distribution is facilitated, the electric repulsive force of a moving contact conducting rod can be greatly increased, the molded case circuit breaker can act faster and more reliably when overload or short circuit or other abnormal conditions happen, and the service life of the molded case circuit breaker is prolonged. Therefore, a better protection effect is provided, the breaking capacity of the molded case circuit breaker is improved, the magnetic increasing sheet is sleeved with the insulating part, current between different potentials is effectively isolated, eddy current is inhibited, electric leakage or short circuit is prevented, the safety of the molded case circuit breaker is improved, and the service life of the contact is prolonged.

The utility model relates to the technical field of power supply equipment, in particular to a circuit protection device for a CPCI power supply. The circuit breaker comprises a circuit breaker body, a first connecting base is arranged on the circuit breaker body, a first conducting strip is arranged on the first connecting base and used for connecting the circuit breaker body with an external circuit, a cover plate is arranged on the circuit breaker body, a first through opening is formed in the cover plate, and the first connecting base and the first conducting strip are both arranged below the cover plate and used for protecting the first conducting strip; the cover plate is provided with a pressurizing assembly, the pressurizing assembly adopts an adjusting screw rod and an adjusting screw cylinder as power elements, a second connecting seat is pushed to move, so that the second connecting seat and a first connecting seat form clamping, and fixation of an external circuit and a circuit breaker is completed. According to the utility model, the dial and the pointer are arranged, so that the moving distance of the connecting seat II can be intuitively known, the connection strength between the circuit breaker and an external circuit can be accurately guaranteed, and the connection stability between the circuit breaker and the external circuit is further guaranteed.

The application provides a circuit breaker, comprising a shell, an incoming terminal, a solid-state circuit module, a circuit board, an operating mechanism, a release and a load terminal; the incoming terminal comprises a first input terminal and a second input terminal, the solid-state circuit module comprises an L-pole conductive part and an N-pole conductive part, the operating mechanism comprises a moving contact and a stationary contact, and the load terminal comprises a first output terminal and a second output terminal; wherein the L-pole conductive part is provided with a first extension part connected with the first input terminal and a second extension part connected with the moving contact, the N-pole conductive part is provided with a third extension part connected with the second input terminal and a fourth extension part connected with the second output terminal, and the stationary contact is provided with a conductive row connected with the first output terminal; since each module is connected by a single part, the influence of adjacent modules does not have to be considered when designing each module, and the difficulty is lower; each module can be machined and assembled respectively, and then assembled as a whole in the shell, so that the machining time is shortened.

The utility model relates to the field of circuit breakers, and discloses a mistaken touch prevention type electrical circuit breaker, which comprises a touch prevention mechanism arranged between two leads on a circuit breaker body and used for isolating the two leads; the anti-touch mechanism comprises a mounting seat arranged on the circuit breaker body; the isolation plate is arranged in the mounting seat in a lifting manner; the fixing pieces are arranged on the two sides of the isolation plate and used for fixing the isolation plate and the circuit breaker body, the circuit breaker body is provided with an installation groove for the isolation plate to move, and the installation base comprises an installation ring arranged in the installation groove and an elastic piece arranged in the installation ring. According to the utility model, the two lead wires can be isolated, and the situation that sundries fall between the two lead wires to cause short circuit of the circuit breaker body is avoided.

The invention discloses a novel molded case circuit breaker rotary connector, and relates to the technical field of rotary connectors, the novel molded case circuit breaker rotary connector comprises a bottom cover, an upper cover and a main body arranged between the bottom cover and the upper cover, the main body is internally provided with a plurality of groups of connecting bars used for being connected between a circuit breaker and a busbar, and the connecting bars comprise a connecting bar phase A, a connecting bar phase B, a connecting bar phase C and a connecting bar phase N. According to a traditional structure, when a busbar is connected with an A-phase, a B-phase, a C-phase and an N-phase of a connecting bar of a rotary connector respectively, a tiger clamping type fastener is adopted to fasten the busbar and the connecting bar, and the fastener is only clamped at about one third of one side of a copper bar. The novel fastener is used for replacing a traditional fastener, the fastening screw is screwed down after the busbar transversely penetrates through the fastener, the fastening point is located in the middle of the lap joint face, the lap joint face of the busbar is not suspended, stress on the lap joint face is even, and the purpose of reliable connection is achieved.

The systems and methods herein described isolating a circuit breaker panel for a building from a grid circuit during an event disrupting the grid circuit. In one aspect, a interrupt switch system comprises a housing configured to mate with an electric meter socket on a first side and an electric meter on a second side, the housing comprising power inputs from grid power and power outputs to a circuit breaker panel and an interrupt circuit disposed within the housing and configured to interrupt a flow of electricity from the power inputs to the power outputs.

The utility model discloses an awakening busbar for a circuit breaker panel. The awakening busbar comprises a main body part, the first connecting part is perpendicular to one end of the main body part and is in orthogonal bending connection with the main body part; the second connecting part is perpendicular to the other end of the main body part and is in orthogonal bending connection with the other end of the main body part; wherein the first connecting part and the second connecting part are arranged in parallel and are positioned on the same surface of the main body part; and the tail end of the first connecting part or the second connecting part is orthogonally bent to form a pin part. According to the busbar structure, the wiring space of a circuit breaker panel can be increased, the complexity in the wiring process is avoided, the installation and wiring process is optimized, the later maintenance is facilitated, the reliability and safety of a product are improved, and potential safety hazards are eliminated.