594results about "Contact electric connection" patented technology

The invention relates to the technical field of circuit breakers, and discloses a fast-to-install primary and secondary fusion pole-mounted circuit breaker which comprises an installation frame and a circuit breaker body arranged on the installation frame, and core power electronic components such as an insulated gate bipolar transistor (IGBT) chip and a module are integrated in the pole-mounted circuit breaker body. The mounting rack is used for mounting a circuit breaker body to realize the functions of automatically cutting off a circuit and remote communication when a fault occurs, the mounting rack comprises a clamping assembly and a supporting piece, the supporting piece is used for mounting the circuit breaker body, and the clamping assembly is used for fastening the supporting piece on a telegraph pole. According to the pole-mounted circuit breaker, assembling and wiring of the circuit breaker body are completed on the ground firstly, then the circuit breaker body is rapidly fixed to the telegraph pole through the installation frame, the effect of improving the installation efficiency and reliability of the pole-mounted circuit breaker is achieved, and meanwhile the use flexibility of the installation frame is high.

Provided is a switch panel. A connecting base includes a first connecting arm, and a number of the first connecting arm is two; a reset assembly includes a swing piece, a connecting shaft and a reset piece; the swing piece includes a first swing portion and a second swing portion, the first swing portion is arranged between the two first connecting arms and is provided with a strip-shaped through hole extending towards the second swing portion, and the second swing portion is arranged at an end of the first swing portion away from another reset assembly; the connecting shaft rotatably penetrates through the strip-shaped through hole and is connected between the two first connecting arms, the reset piece is sleeved outside the first swing portion, and two ends of the reset piece are pre-compressed to abut against a position between the connecting shaft and the second swing portion.

The utility model provides a high-voltage switch contact pressure adjusting mechanism and a pressure sensor, and relates to the technical field of high-voltage switch equipment, and the high-voltage switch contact pressure adjusting mechanism comprises a first connecting seat connected with a high-voltage switch contact, a telescopic adjusting structure of the first connecting seat, and a limiting ring fixedly connected with the bottom of the surface of the telescopic adjusting structure. The top of the surface of the telescopic adjusting structure is movably connected with a pressure plate. The surface of the telescopic adjusting structure is sleeved with a reset spring, the reset spring is located between the pressure plate and the limiting ring, and the bottom of the left side of the telescopic adjusting structure is fixedly connected with a second connecting base movably connected with the high-voltage switchgear. Through the arrangement of the first connecting base, the telescopic adjusting structure, the limiting ring, the pressure plate, the reset spring and the second connecting base, the problems that a mechanical spring structure is mostly adopted for contact pressure adjustment of existing high-pressure switch pressure adjusting equipment, adjustment is inconvenient and low in precision, and meanwhile, shutdown disassembly is usually needed for pressure measurement, and real-time monitoring cannot be achieved are solved.

The invention discloses a primary and secondary fusion built-in isolation knife circuit breaker, and relates to the field of primary and secondary fusion power distribution equipment for a power distribution network, the primary and secondary fusion built-in isolation knife circuit breaker comprises a pole-mounted circuit breaker and a mechanism box, the body of the pole-mounted circuit breaker is integrated with three current transformers, and the mechanism box is fixedly connected to one side of the pole-mounted circuit breaker; three electrical interface holes used for containing current transformers are formed in the box wall of the mechanism box, an isolation disconnecting link unit is arranged in the mechanism box, the isolation disconnecting link unit is internally arranged and integrated in the mechanism box, the isolation disconnecting link unit and a pole-mounted circuit breaker form an integrated design, the overall structural layout is greatly simplified, the structure is simple, and the cost is low. And the three current transformers integrated on the pole-mounted circuit breaker body are directly butted with the moving contact mechanism through the electrical interface holes preset in the mechanism box, so that the connection is convenient, the contact between the electrical connection part and the external environment is reduced, the erosion of environmental factors such as outdoor wind and rain, dust, corrosive gas and the like is effectively isolated, and the operation stability is ensured.

The invention discloses a 35kV main transformer inlet wire cabinet, and belongs to the technical field of inlet wire cabinets, the 35kV main transformer inlet wire cabinet comprises an inlet wire cabinet body, an inlet wire terminal, an outlet wire terminal, a switch assembly and an inlet wire connecting assembly, the inlet wire terminal and the outlet wire terminal are both fixedly arranged on the inlet wire cabinet body, and the inlet wire terminal and the outlet wire terminal are electrically connected through the switch assembly; and the wire inlet terminal is electrically connected with the wire inlet cable through a wire inlet connecting assembly. The incoming cable is fixed on the incoming terminal of the incoming cabinet body through the incoming connecting assembly, so that the incoming terminal and the incoming cable can be effectively prevented from loosening, the incoming terminal and the incoming cable are fully electrically connected, the conductive sliding sleeve and the plugging conductive sleeve are prevented from colliding, and the operation reliability of the incoming cabinet is effectively improved.

The utility model relates to the technical field of dual-power-supply automatic change-over switches, and discloses a low-cost PC-level dual-power-supply automatic change-over switch. Comprising a switch shell, the inner walls of the upper side and the lower side of the switch shell are each provided with a plurality of interfaces, the inner wall of the switch shell is slidably provided with a plurality of wiring terminals, the top ends of the wiring terminals make contact with the interfaces above, and the bottoms of the wiring terminals are electrically connected with wires. After the circuit provided by the utility model is powered off, the first lead cannot energize and magnetize the electromagnet, so that the electromagnet loses magnetism and cannot push the magnetic ring to lift, the magnetic ring descends to drive the switching block to be pressed on the upper surface of the switching seat, and the controller can drive the electric push rod to be energized through the switching seat, the switching block and the second lead. The driving piston rod moves to push the push block to move downwards to drive the transmission rod to pull the wiring end to move and be switched to an interface connected with a standby power supply, and automatic switching of the power supply can be ensured.

An interrupter, a power distribution device, and a vehicle are provided, and relate to the field of interrupter technologies. The interrupter includes: a base having an arc chute; a sealing cover, disposed on one side of an opening of the arc chute, where the sealing cover has a first channel that passes through a thickness direction of the sealing cover, and the first channel communicates with the opening of the arc chute; a current-carrying copper busbar, where the current-carrying copper busbar is disposed in parallel with the sealing cover, the current-carrying copper busbar passes through the sealing cover in a direction perpendicular to the thickness direction of the sealing cover, a sealed structure in which a boss and a clamping slot are matched is formed between the sealing cover and the current-carrying copper busbar, a part that is of the current-carrying copper busbar and that is located in the first channel includes a thinned part, and a thickness of the thinned part is less than a thickness of another part of the current-carrying copper busbar; and a piston, where the piston is at least partially accommodated in the first channel, and a projection of the piston in the thickness direction of the sealing cover at least partially overlaps with the thinned part. In the interrupter provided in this application, the sealed structure in which the boss and the clamping slot are matched is formed between the sealing cover and the current-carrying copper busbar, so that gas tightness of the interrupter can be improved.

The present disclosure provides an electric meter, a smart switch, a distribution box and a power supply system. The electric meter is used for installation in an on-off switch. The electric meter comprises a voltage acquisition assembly and a current acquisition assembly. The voltage acquisition assembly comprises a plurality of voltage acquisition terminals. The voltage acquisition terminals are used for magnetic attraction connection with wiring terminals of the on-off switch. The current acquisition assembly is arranged along a first direction with the voltage acquisition assembly. The current acquisition assembly comprises at least one current sensing piece. The current sensing piece has an opening and closing structure. The current sensing piece is used for sleeving on a cable connected with the wiring terminals through the opening and closing structure. The electric meter provided by the present disclosure improves the installation safety and convenience, and reduces the volume of the electric meter.

The invention relates to the field of relay protection, in particular to an intelligent remote online monitoring relay protection pressing plate switching device and method. The device comprises a shell, a transmission mechanism, a rotary mechanical logic function switch, a control unit and a detection module. The transmission mechanism is provided with a stepping motor and a multi-stage reduction gear set; the logic function switch is contacted with the copper foil through a contact electric brush to form different paths; a main controller in the control unit controls a stepping motor through a driving module, and an encoder detects the angle of a gear in real time to form closed-loop control. A photoelectric sensor of the detection module detects angular displacement, and a main controller generates state data and drives a display unit to output. The device can receive remote or local instructions, remote control is achieved, manual operation is reduced, and the problem that misoperation is prone to occurring in a traditional mode is solved.

A measuring switch with multiple wiring frames relates to the field of low-voltage electrical appliances, and comprises a shell with a plurality of phase line channels, and a wire inlet terminal and a wire outlet terminal which are respectively arranged at two ends of the phase line channels, the wire outlet terminal comprises a wire separating frame, the wiring surface of the wire separating frame is separated to form at least two wiring channels, and the wire separating frame is arranged on the wiring surface of the wire separating frame; a locking channel is correspondingly arranged in the direction perpendicular to the wiring channel, and the locking channel is communicated with the wiring channel; the plurality of wiring frames are respectively arranged in the wiring channels, the screwing pieces of the wiring frames are movably arranged in the corresponding locking channels, the front end of the first wiring board is provided with a plurality of branch wiring boards, and the branch wiring boards respectively extend into the corresponding wiring frames. A plurality of independent wiring frames are integrated through the wire separating frame, so that the single-phase wire outlet end has the multi-path branching capability, multiple wires do not need to be pressed into one wire through a wire pressing nose, the wire pressing nose is omitted, the cost is reduced, the wiring is faster, and meanwhile, the wiring requirements of different thicknesses can be met.

The present application relates to the technical field of electric control switch, in particular to a kind of motorcycle disc brake control switch, including shell, two wiring copper sheets, electricity connection copper sheet, slider and cover plate, installation cavity is provided in the shell, installation groove is opened in the symmetrical two inner side walls of installation cavity, and two The wiring copper sheet is fixedly inserted in installation groove;The present application is closed by the setting of cover plate and sleeve, the part of wiring copper sheet in installation cavity is isolated with external environment with electricity connection copper sheet, and the inside of the position of wiring copper sheet through shell can be sealed with sealing glue, simultaneously still can be filled into inert gas in installation cavity, to avoid the water vapor in environment into installation cavity, cause the part of wiring copper sheet in installation cavity and electricity connection copper sheet corrosion Problem, guarantee the conductive property of wiring copper sheet and electricity connection copper sheet, guarantee the stability and waterproof performance of motorcycle disc brake control switch.

The invention relates to the field of transformer substation pressing plates, in particular to a wire spring type duplex remote control pressing plate which comprises a remote control executing mechanism and a duplex pressing plate body, the remote control executing mechanism is connected with the duplex pressing plate body, and a push-out mechanism and a rotating mechanism are arranged in the remote control executing mechanism; the push-out mechanism is connected with a rotating shaft disconnecting link penetrating through the duplex pressing plate body through a propeller, and the outer side of the propeller is connected with a rotating mechanism, so that the rotating shaft disconnecting link can stretch out, draw back and rotate on the duplex pressing plate body. The duplex pressing plate body is provided with a double electrical connection loop, the double electrical connection loop is provided with at least a first pair of wire spring plugs and a second pair of wire spring plugs, the first pair of wire spring plugs and the second pair of wire spring plugs do not interfere with each other, and the first pair of wire spring plugs is used for controlling the on-off state of the duplex pressing plate body. The second alignment spring plug is used for feeding back the switching state of the duplex pressing plate body to the background in real time; and the rotating shaft disconnecting link is provided with at least two first electrodes and second electrodes which are not interfered with each other.

The application relates to the technical field of electrical connection, in particular to a wiring module and an electrical isolation switch, which comprises a module main body, a common conductive assembly and first and second wiring terminals arranged on the two sides of the module main body respectively. The first wiring terminal comprises an elastic assembly which can press the first external conductor against the common conductive assembly to form an electrical connection. The structure of the second wiring terminal can be combined with that of the first wiring terminal in multiple ways according to actual requirements. The application adopts the elastic assembly for wiring on at least one side, thereby simplifying the wiring operation and improving the installation efficiency. Meanwhile, the continuous pressing force provided by the elastic assembly helps to improve the long-term reliability of the connection. The modular different terminal combinations enhance the application flexibility and market compatibility of the product.

The shell structure of the combined switch comprises a shell, a ground wire terminal and a wiring terminal, and a first wire inlet connector is electrically connected with the wire inlet terminal and extends into the first mounting groove or is communicated with the first mounting groove; the first outgoing line connector is electrically connected with the outgoing line terminal and extends into the first mounting groove or is communicated with the first mounting groove; the second inlet wire connector is electrically connected with the inlet wire terminal and extends into the second mounting groove or is communicated with the second mounting groove; the second outlet wire connector extends into the second mounting groove or is communicated with the second mounting groove; the third wire inlet connector is electrically connected with the second wire outlet connector and extends into the third mounting groove or is communicated with the third mounting groove; and the third outgoing line connector is electrically connected with the ground wire terminal and extends into the third mounting groove or is communicated with the third mounting groove. The shell structure of the combined switch is used for plugging installation of the switch modules and electrical connection between the switch modules, and the connectors are preset in the shell, so that the switch modules are inserted into the shell to complete installation and electrical connection.

Fuse assemblies are disclosed. In one implementation, a fuse assembly may be disposed that includes a first portion of the second portion. The first portion may be formed of a first metal. The second portion may be formed of a second metal different from the first metal. The second metal may be copper, and the copper may be tin plated or silver plated.

The invention, which relates to the technical field of the high-voltage isolation switch, provides a high-voltage isolation switch comprising an installation connection unit, a movable conductive unit, a conductive auxiliary unit and a limiting protection unit. The movable conductive unit is mounted on the mounting and connecting unit; the number of the position control units is two, and the two position control units are installed on the front side and the rear side of the movable conductive unit. The conductive auxiliary unit is mounted on the movable conductive unit; the limiting protection unit is installed on the movable conductive unit, the limiting protection unit is used for limiting the rotation angle of the movable conductive unit, and the limiting protection unit is further used for protecting the installation connection unit; through the arrangement of the two octagonal mounting rods and the two conductive auxiliary seats, the auxiliary connection of the movable conductive frame with the metal conductive sleeve a and the metal conductive sleeve b is realized, and the conductive effect is improved; the problem that the conductive effect is affected due to the fact that an auxiliary conductive structure is generally lacked and two-time connection and conduction cannot be automatically achieved is solved.

The utility model relates to the technical field of electrical equipment, in particular to a bistable switch assembly for a vehicle, which has good conductive performance and a stable working state, depends on the combination of a permanent magnet and an electromagnetic principle, and when an electromagnetic coil is electrified, generated magnetic force drives an armature to move, so that a contact is closed / separated, a load circuit is connected / disconnected, and the bistable switch assembly for the vehicle is realized. Even if the coil is powered off, due to the attraction effect of the permanent magnet, the contact can still be kept in a closed / separated state, the characteristics of low power consumption and low temperature rise of the coil are achieved, the upper shell is fixed through the first nut and the second nut, good electrical connection is achieved through the first conductive gasket and the second conductive gasket, the conductive efficiency of the switch is effectively improved, and the service life of the switch is prolonged. The design of the contact pins on the side surface of the upper shell is convenient for connection with other electrical components, so that smooth and stable work of a circuit is ensured, and reliable switching and control of functions such as starting, stopping or working state switching are realized.

The application discloses an indoor three-pole electric single-blade double-throw isolating switch and relates to the technical field of power system equipment. The technical points are as follows: the isolating switch comprises a mounting chassis, the mounting chassis is provided with a first wiring position, a second wiring position, a main-blade operating module, a third wiring position, a ground-blade operating module and a fourth wiring position; one end of the main-blade operating module is connected with the third wiring position, the main-blade operating module is connected with a main-blade driving mechanism, and the main-blade driving mechanism can drive the other end of the main-blade operating module to move between the second wiring position and the first wiring position; the ground-blade operating module is connected with a ground-blade driving mechanism, and the ground-blade driving mechanism is used for driving the ground-blade operating module to move towards the third wiring position with the fourth wiring position when grounding is needed. The isolating switch has the advantages of simple structure, small space occupancy, an electric grounding device arranged at the incoming line side, the ability to meet the requirements of reliability and flexibility of the power system and the ability to improve the safety of equipment maintenance.

The utility model discloses an electric leakage test detection loop and a release, and belongs to the technical field of low-voltage electric appliances. The electric leakage test detection loop comprises a first connecting piece and a first torsion spring, wherein the first torsion spring is connected with the first connecting piece; a first breakpoint is formed between the second torsional spring and the first connecting piece, and the second torsional spring can abut against the first connecting piece; the first torsional spring and the second connecting piece are second breakpoints, and the first torsional spring can abut against the second connecting piece; one end, deviating from the first connector, of the second torsion spring is connected with the third connector; one end of the second connecting piece away from the first torsion spring is connected with the circuit board. One end of the third connecting piece away from the second torsion spring is connected with the circuit board. The first torsion spring and the second torsion spring are arranged on the outer side of the release shell, so that the space in the release shell is saved, the purpose of reducing the design space of the electric leakage release is achieved, and the dielectric property of a product is improved. And by arranging the two breakpoints, mistaken touch of an operator is avoided, and high stability and reliability are achieved.

The application discloses a kind of automobile microswitch connecting structure, including: pressing assembly, switch terminal assembly, resistance component and plug-in assembly, pressing assembly includes switch positioning seat and pressing trigger module;Switch terminal assembly includes switch common terminal, switch output terminal and switch connection terminal, resistance component includes first resistance and second resistance, first resistance is connected with switch common terminal and switch connection terminal respectively, and second resistance is connected with switch output terminal and switch connection terminal respectively;Plug-in assembly includes first plug-in piece and second plug-in piece.The first resistance and the second resistance are arranged between the switch common terminal, the switch output terminal and the switch connection terminal in the application, so that analog signal output can be carried out without using circuit board connection, thereby reducing overall material cost, and in the structure without using circuit board and connecting wire, the space of installation and use can be effectively optimized.

The utility model relates to a conductive connecting piece for a vacuum circuit breaker and a vacuum circuit breaker, the conductive connecting piece is configured to be connected between an upper contact arm and an upper outgoing end line of the vacuum circuit breaker, the upper contact arm and an upper outgoing end line are spaced along the vertical direction, the conductive connecting piece comprises an upper connecting block which is aligned with the upper contact arm along the horizontal direction and is connected to the upper contact arm; the lower connecting block is aligned with the upper wire outlet end along the horizontal direction and is connected to the upper wire outlet end; and the conducting bar is connected between the upper connecting block and the lower connecting block and is integrally formed with the upper connecting block and the lower connecting block.

A mobile contact (20) is provided for an electric current switching device (50), comprising:a first conductor blade (1) and a second conductor blade (2), extending in planes (P1, P2) parallel to each other and distant from each other, the conductor blades (1, 2) being linked in rotation about a common rotational axis (R),a first and a second spacer (3, 4) configured to maintain a minimum distance between the first blade (1) and the second blade (2),in whicha cross section (S1, S2) of each blade (1, 2) is shaped so as to:have an area equal to the area of a reference cross section (S1′, S2′) of rectangular shape and of the same length (a), andhave a quadratic moment greater than the quadratic moment of the reference cross section (S1′, S2′), the quadratic moment being determined in relation to an axis parallel to the transverse axis (T1, T2) of the blades (1, 2).

The embodiment of the invention provides a change-over switch, and relates to the technical field of switching devices. The change-over switch comprises a switch shell, a static contact structure and a moving contact structure, the static contact structure comprises two first static contacts and two second static contacts, and the moving contact structure comprises a sliding part, a first moving contact, a second moving contact and a third moving contact; the sliding part is used for sliding relative to the switch shell under the action of external force, so that the first moving contact is connected with the two first static contacts, the second moving contact is connected with the two second static contacts, and loops are connected in parallel to form a first voltage platform; or, the third moving contact is connected and conducted with one of the first static contacts and one of the second static contacts, so that the loops are connected in series to form a second voltage platform. According to the invention, different voltage platforms can be switched according to different charging scenes, so that the architecture of the charging system is simplified, the charging efficiency is improved, and the cost is reduced.

A layered arrangement type power transmission and transformation line conversion disconnecting switch relates to the technical field of disconnecting switches, and is used for solving the problem that the existing 72.5 kV line conversion disconnecting switch is large in occupied area. Comprising three layers of conductive units and a transmission rod, the conductive units are sequentially arranged from top to bottom, each conductive unit comprises a bottom frame, rotating insulators, a fixed insulator, a contact side conductive tube, a contact finger side conductive tube and a driving mechanism, and the three rotating insulators rotationally connected with the bottom frame are arranged around the fixed insulator; the top of the fixed insulator is connected with three contact finger side conductive tubes in a hinged mode, the top of each rotary insulator is fixedly connected with a contact side conductive tube, the driving mechanism is used for driving the rotary insulators to rotate, and closing is achieved when the contact side conductive tubes and the contact finger side conductive tubes are collinear. And opening is realized when the contact side conductive tube is separated from the contact finger side conductive tube. The multi-pole 72.5 kV line conversion disconnecting switch solves the problem that a conventional multi-pole 72.5 kV line conversion disconnecting switch product is large in occupied area.

The utility model relates to an electric emergency switching device, which comprises an electrically insulated shell (2); an interrupted current path (3) comprising a first electrically conductive terminal having a first contact surface and a second electrically conductive terminal having a second contact surface; a movable connection element (5) comprising an insulating member (6) and an electrically conductive contact (7), the connection element being movable along a central axis (8) from a starting position (9), in which the contact is electrically disconnected from the current path, into a closed position (10), in which the current path is closed by electrically connecting the contact with the first and second contact surfaces; a pyrotechnic actuator (11); a combustion chamber (12) at least partially formed by a recess (13) in the insulating member, and an actuator for generating a pressurized gas in the combustion chamber in order to move the connecting element from the starting position into the closed position. The electrical emergency switching device can operate reliably in high voltage applications.

This invention provides a composite switch with a power-off protection structure, belonging to the field of switch technology. It includes a housing, a control panel, a power-connecting component, an adsorption component, and a repulsion component. The housing is mounted on a wall, and the control panel is rotatably mounted on the side of the housing away from the wall. The power-connecting component is disposed inside the housing. When the control panel rotates in a first direction, the power-connecting component enables electrical conduction to the appliance; when the control panel rotates in a second direction, the power-connecting component enables power disconnection to the appliance. The adsorption component is fixedly disposed on the inner wall of the housing, and the repulsion component is disposed on one side of the adsorption component and slides against the inner wall of the housing. Compared to existing technologies, this invention automatically disconnects the connection between the appliance and the switch during a power outage, preventing damage to the appliance due to instantaneous high voltage upon subsequent power restoration, thus achieving power-off protection for the appliance.