632results about "Switch power arrangements" patented technology

The excitation fuse comprises a shell provided with a cavity, a conducting bar is arranged in the shell in a penetrating mode in a sealed mode, a piston and an ignition device are arranged in the cavity of the shell on one side of the conducting bar, and a displacement channel for the impact end of the piston to penetrate through is arranged at the position, needing to be disconnected, of the conducting bar. A sealing plate is arranged at the end, facing the piston, of the displacement channel and makes close contact with the shell on the periphery of the displacement channel, and a sealing structure is arranged between the sealing plate and the shell on the periphery of the displacement channel. The sealing plate is provided with a profiling through hole corresponding to the displacement channel, the profiling through hole allows the impact end of the piston to penetrate through and imitates the peripheral size and shape of the impact end of the piston, arc extinguishing chambers are arranged on the shell on the other side, away from the piston, of the conducting bar, and when the number of the arc extinguishing chambers is multiple, the arc extinguishing chambers are independently arranged. According to the invention, by arranging the sealing plate with the profiling through hole and the sealing structure, the sealing performance and the breaking reliability of the product are improved.

The application provides a control circuit for an isolating switch or grounding switch and GIS equipment, and belongs to the field of GIS equipment, comprising a disconnecting control branch and a closing control branch, wherein the disconnecting control branch is connected with a disconnecting contactor coil in series, is connected with a disconnecting signal input end, and is further connected with a disconnecting holding branch, and the disconnecting holding branch is connected with a positive pole of a control power supply through a normally open contact of a protection relay; the closing control branch is connected with a closing signal input end, is further connected with a closing holding branch, and the closing holding branch is connected with the positive pole of the control power supply through the normally open contact of the protection relay. A protection relay coil and a switch module are connected in series between positive and negative poles of a motor power supply, and the switch module comprises a disconnecting contactor first normally open contact and a closing contactor first normally open contact which are connected in parallel with each other. The starting time of the protection relay is greater than the reset time of the disconnecting contactor and the closing contactor.

The application discloses a kind of mid-position holding mechanism and gas insulated switchgear in the technical field of electric power switch equipment, mid-position holding mechanism includes compression spring, straight line rod, mid-position holding cylinder, spring fixing device and spring sealing device, the straight line rod is fixed by spring fixing device into the compressed state of less than compression state when preloading, the mid-position holding cylinder is opened along the axis straight line cavity and both ends are opened, respectively, and spring sealing device is used to seal the compression spring in the straight line cavity, the compression height of the compression spring is less than the length of the straight line cavity of the mid-position holding cylinder, the scheme solves the problem of two compression springs in the prior art, and the cost performance is poor, and the beneficial effects of simplifying the structure, saving cost and reducing the volume are achieved.

The application discloses a flux switching motor and a high-voltage circuit breaker. The flux switching motor comprises a rotor core, a bearing and a stator assembly. The stator assembly is internally provided with a mounting cavity. The bearing is arranged at the center of the mounting cavity. The rotor core is sleeved on the bearing. An air gap is formed between the stator assembly and the rotor core. The rotor core comprises a rotor tooth part and a rotor yoke part which are integrated. The rotor yoke part is sleeved on the bearing. The rotor tooth part is arranged at the outer periphery of the rotor yoke part and is provided with a plurality of tooth parts. The extension length of the rotor tooth part in the radial direction of the rotor core is greater than or equal to the extension length of the rotor yoke part in the radial direction of the rotor core. The high-voltage circuit breaker comprises the flux switching motor. The application relates to the technical field of motors and provides the flux switching motor and the high-voltage circuit breaker. The length of the rotor tooth part is increased to improve the torque and rotational inertia ratio of the motor, so that the dynamic response capability of the motor is improved.

The utility model discloses a permanent magnet switch over-travel adjusting structure and device. The permanent magnet switch over-travel adjusting structure comprises a permanent magnet switch body, an over-travel adjusting piece and an over-travel locking assembly. The permanent magnet switch main body comprises a contact spring, an insulating pull rod, a screw rod and an iron core, the contact spring is installed in the insulating pull rod, the lower end of the insulating pull rod is provided with a first inner threaded hole matched with the screw rod, the lower end of the insulating pull rod is connected with the upper end of the screw rod through the first inner threaded hole, and the over-travel adjusting piece is provided with an inner threaded through hole matched with the screw rod. The lower end of the screw rod sequentially penetrates through the internal thread through hole and the iron core and is in threaded connection with the over-travel locking assembly; the lower end face of the over-travel adjusting piece and the upper end face of the over-travel locking assembly abut against the iron core, the scientific principle that the contact spring and the over-travel adjusting piece are spatially separated can be achieved, and therefore the over-travel adjusting device can be directly applied to a high-speed switch under the condition that no part needs to be additionally arranged, and the over-travel adjusting range is effectively enlarged.

A remote control device of a switch belongs to the technical field of low-voltage electric appliances. Comprising an external module and a built-in module, the external module is in signal connection with the built-in module, the built-in module is located inside the switch and takes electricity from an internal terminal of the switch, the built-in module comprises an opening control circuit and / or a closing control circuit, the external module is located outside the switch, and an operator controls the switch to act by operating the external module. The device has the advantages of being small in size, low in cost and capable of providing safety guarantee for operators.

The invention relates to an electrical switch (1), in particular a medium voltage switch, comprising: an insulating housing (2); a mechanically actuatable switching device (3), which is arranged in the housing (2); a switching lever (4) extending at least partially through a cavity (5) inside the housing (2) to actuate the switching device (3); a driver (6) for actuating the switch lever (4); and a spring system (10). In this case, the spring system (10) comprises a first spring (11) and a second spring (12) which are nested with one another, said first spring (11) and second spring (12) exerting forces on the drive (6) in opposite directions.

The utility model relates to the technical field of motorcycle accessories, and discloses a locking driving mechanism and an ignition switch assembly. The locking driving mechanism comprises a bottom plate with a shaft hole, a cover body covering the bottom plate to form a mounting cavity, a motor mounted in the cavity and provided with an output shaft with an output gear, and a telescopic rod penetrating through the shaft hole and an end driving tooth surface to be in meshing transmission with the output gear. The design abandons complex electromagnetic drive, the structure is simple, and the cost is reduced. Through combination of the motor and the telescopic rod, parts are reduced, and the manufacturing process is simplified; the modular design facilitates maintenance, improves reliability, can adapt to different ignition switch assemblies, and is flexible in application.

The utility model discloses an electric disconnecting switch, which is characterized by comprising a base, two groups of insulating terminals are symmetrically arranged on the base, the insulating terminals are fixedly provided with a static contact seat, the static contact seat is provided with a static contact, the base is provided with a rotary contact device, and the rotary contact device is provided with a rotating shaft. The rotary contact device comprises conductive arms, a transmission rod and a rotary drum which are symmetrically arranged, the transmission rod is arranged in the rotary drum, the rotary drum is movably connected with the base, the conductive arms are arranged on the outer side of the rotary drum, a transmission gear is arranged below the base, the transmission gear is connected with the transmission rod, and the transmission gear is connected with a driving motor. According to the utility model, through the arrangement of the rotary contact device, the conductive arm can be rotated and retracted during opening and is far away from the static contact in a relatively limited space, so that the structure is more compact; according to the utility model, a single driving motor is used to realize segmented control of different motion states of unfolding, folding and rotating the conductive arm at a constant speed.

The present application relates to a certain type of fire sprinkler circuit safety mechanism, belongs to the technical field of fire extinguisher circuit, especially relates to a circuit safety mechanism, the purpose of the present application is to overcome the defects of the existing products of a certain type of fire sprinkler, design a kind of circuit safety mechanism, a certain type of fire sprinkler can only be opened in the case of the circuit safety mechanism, can complete normal injection, injection is stable, injection is uniform, can prevent the misinjection phenomenon, improve the safety and reliability of the injector.

The invention discloses a flow switch which comprises a shell assembly, a magnetic induction unit, a reset piece, a magnetic control switch and an adjusting unit. A fluid channel is formed in the shell assembly; the magnetic induction unit is movably arranged in the shell assembly and generates displacement in response to fluid flow; the reset piece is arranged in the shell assembly, acts on the magnetic induction unit and provides restoring force for the magnetic induction unit; the magnetic control switch is used for outputting a switching signal in response to the magnetic field change of the magnetic induction unit; the adjusting unit is detachably installed on the shell assembly, the magnetic control switch is installed on the adjusting unit, and the fixing position of the adjusting unit on the shell assembly is adjustable. According to the invention, the problems of large electromagnetic interference, low reliability, non-adjustable flow threshold and the like in the prior art can be solved.

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.

The utility model discloses a breaker electric operation mechanism with long service life, comprising a mounting rack, a driving motor, a transmission assembly, a support wheel, a main shaft and a planetary gear assembly, the driving motor is mounted on the mounting rack, the support wheel is rotatably arranged on the mounting rack through the main shaft, and the driving motor is connected with the main shaft through the transmission assembly. The planetary gear assembly comprises an inner gear and multiple sets of duplex planetary gears, a transmission gear is arranged on the main shaft, the inner gear is in meshed connection with the three sets of duplex planetary gears, a gear shaft is arranged on one side of the inner gear, a cover plate is arranged on one side of the mounting frame, and a shaft hole is formed in the cover plate; and the supporting ring is made of a plastic material, is arranged on the shaft hole of the cover plate, and is sleeved on the periphery of the gear shaft. The plastic part is arranged on the shaft hole of the cover plate and used for being matched with the gear shaft, the perpendicularity of the gear shaft of the inner gear is guaranteed, abrasion between the cover plate of the mounting frame and the gear shaft of the inner gear is reduced, and the service life of the circuit breaker electric operation mechanism is prolonged.

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 invention relates to a contactor comprising an electric motor (2) comprising a stator (200) and a rotor (201) and a commutator-brush system (3), the commutator-brush system comprising: a commutator (300) assembled on the rotor, the commutator comprising at least one electrically conductive portion (302) and at least one non-electrically conductive portion (303); and a pair of brushes formed of two brushes (304), wherein the brushes each have a contact surface configured to frictionally contact the commutator. The side surface of the commutator (300) comprises a conductive portion (302) and a non-conductive portion (303) of the commutator, wherein the commutator is free to rotate about an axis of rotation (X). The commutator-brush system (3) is configured to move between an electrically conductive position, in which the commutator electrically connects the pair of brushes, and an interrupted position, in which the commutator electrically isolates the pair of brushes (304), the commutator-brush system transitions from the electrically conductive position to the interrupted position by rotation of the commutator (300) under the action of the motor, and transitioning from the interruption position to the conductive position.

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 invention belongs to the field of vehicle switch control, and provides a self-learning protection electromagnetic main switch for a vehicle and a control method thereof, and the self-learning protection electromagnetic main switch comprises an electromagnetic main switch body and a control circuit connected with the electromagnetic main switch body. The control circuit comprises an input detection module and a voltage comparison module. The input detection module is connected with a current sensor of the electromagnetic main switch and the seat pressure switch. And the voltage comparison module is respectively connected with a power supply and an output driver of the control circuit so as to monitor a comparison result between the input power supply voltage and the standard under-voltage value and between the output power supply voltage and the standard under-voltage value. When the vehicle runs or is parked for a long time, the actual working states of the vehicle and a driver are judged by collecting power supply current, a control switch, an ignition switch, a starting signal, an engine revolution signal, a whole vehicle voltage signal, a driver off-seat signal and the like; the electromagnetic switch coil is controlled to keep a pull-in state, and power supply of a vehicle main circuit is guaranteed.

The invention relates to the technical field of emergency stop switches, in particular to an emergency stop switch device and a hydraulic support electric control device, which comprise a push rod seat, a push rod axially connected to the push rod seat in a sliding manner, and a pressing trigger switch and a rotating trigger switch which are positioned at the bottom of the push rod seat. According to the invention, one push rod is adopted to respectively trigger the two independent switches through different motion combinations, so that the operation integration is realized, and the compactness and the integration degree of the switching device are remarkably improved while the functions of the switching device are ensured. In practical application, for example, as an emergency stop locking device of equipment, an operator can send out different control instructions through the linear pressing or rotating action of the push rod, and various safety requirements are met. The whole device is compact in structure, small in number of parts, convenient to install, suitable for occasions with limited space, easy to maintain and low in cost.

The present invention relates to an improved switchgear or contactor device (1) with high arc extinction capability, particularly for industrial and railway applications where high currents must be switched on and off, said switchgear or contactor device (1) comprising in a housing (10): - a switch base portion (2) containing an electrical switchgear (35) of a low voltage drive portion (4) acting on moving contacts (21, 22); - a high voltage portion (5) containing said moving contacts (21, 22) driven towards and away from each other with respect to a mutual contact position, said moving contacts (21, 22) being mounted at respective contact ends of an elbow mechanism (30) movable by the low voltage drive portion (4), and - a top arc barrier extinction portion (3) covering said high voltage portion (5), wherein hardware means (40) are provided in the vicinity of said moving contacts (21, 22) to influence an arc (29) occurring when the moving contacts (21, 22) moving towards and away from each other switch on and off the current.

The utility model relates to a change-over switch, which comprises a base, a contact system, a driving mechanism and a cover plate arranged on the base, the cover plate covers the contact system and the driving mechanism, and the driving mechanism comprises a motor, a screw rod in linkage fit with the motor and a nut arranged on the screw rod. The contact system comprises a static contact seat arranged in the base, a plurality of static contacts respectively arranged on the static contact seat, a movable contact frame which is arranged in the base in a sliding manner and is in linkage fit with the nut, and a plurality of movable contacts which are arranged on the movable contact frame in a linkage manner and are matched with the plurality of static contacts; the moving contact comprises two moving contact pieces arranged in contact holes of the moving contact frame, a base plate arranged between the two moving contact pieces and two elastic pieces arranged between the two moving contact pieces and the moving contact frame respectively, and a contact clamping space matched with the static contact is formed between the two ends of the two moving contact pieces. The utility model has the advantages of simple structure, stable and reliable performance, good protection performance and long service life.

A circuit breaker includes a blade operable between a closed-contacts position to close the electrical contacts and an opened-contacts position to open the contacts; a kicker lever with a kicker operable to move the blade to the opened-contacts position or to release the blade from the opened-contacts position; a catch lever operable to a latched position for holding the kicker lever in the opened-contacts position and an unlatched position for unlatching and releasing the kicker lever, and thus the blade, from the opened-contacts position to the closed-contacts position; and a moveable slider operable in a first direction to move and latch the blade, via the kicker and catch levers, in the opened-contacts position and in a second direction to unlatch and release the blade from the opened-contacts position to the closed-contacts position. The catch lever (or portion thereof) is located below or under the slider or portion thereof.

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.

The invention relates to a high-voltage circuit breaker (1), comprising a vacuum switching tube (7) which is electrically connected to two high-voltage terminals and which is designed to establish an electrical connection in accordance with a mechanical switching actuation (8), for which purpose the vacuum switching tube (7) has a switching contact (10) which is movably arranged in a tube housing (9), characterized by a closing spring (15) which is arranged in the tube housing (9) and which is arranged in the tube housing (9), the invention relates to a switching device (1) comprising a switching contact (10), a closing spring (13) configured to transmit a mechanical switching operation (8) to the switching contact (10), a contact hold-down spring (13) configured to maintain a closing state of the switching contact (10), the closing state being occupied by the switching contact (10) after the switching operation (8) is transmitted to the switching contact (10), a spring energy store (26) configured to store the mechanical switching operation (8) on the switching contact (10), the spring energy store (26) is designed to be at least partially tensioned immediately before the switching contact (10) enters the closed state, and wherein the spring energy store (26) is designed to at least partially transmit the stored tensioning energy to the contact pressure spring (13) when the switching contact (10) enters the closed state. The invention also relates to a high-voltage power switching device (2) and a method.

A circuit breaker for an electric current, said device comprising a movable member (2) provided with an electrical conductor (4), said device being configured to move said movable member (2) between a first position, referred to as armed, allowing current to flow in the conductor (4), and a second position, referred to as disarmed, interrupting said current flow, said device further comprising an actuator (12), configured to trigger a transition of the movable member (2) from the armed position to the disarmed position in the event of a fault on an electrical circuit in which said device is integrated, said device further comprising a reset member (36) having a manual actuation zone (38), configured to move the movable member (2) from the disarmed position to the armed position, thereby also triggering a reset of the actuator (12), said actuation zone (38) forming a visual indicator of a disarmed state of said device.

The invention relates to the field of electric switches, and discloses a manual-automatic integrated operating mechanism and a bypass switch, and the manual-automatic integrated operating mechanism comprises a mounting rack which is rotatably connected with a main shaft; the output assembly comprises a transmission plate and an output shaft, a transmission column is arranged on one side of the transmission plate, and the output shaft is in transmission connection with the transmission column; the energy storage assembly comprises a swing part, a telescopic rod and a spring, the swing part is rotationally connected to the spindle, one end of the telescopic rod is rotationally connected to the mounting frame, a transmission shaft is arranged on the side, away from the spindle, of the swing part and is in transmission connection with one end of the telescopic rod, and the two ends of the spring are arranged at the two ends of the telescopic rod respectively; the power input assembly can drive the transmission shaft to rotate around the main shaft, input power is gradually converted into elastic potential energy accumulated on the spring firstly, and then the transmission shaft abuts against the transmission plate when the spring releases the elastic potential energy, so that the output shaft is driven to rotate, and rapid action of the switch is achieved.

The invention provides a contact mechanism and a change-over switch, and relates to the low-voltage electrical field. The contact mechanism comprises a first static contact, a second static contact, a moving contact assembly, a driving assembly and an elastic energy storage piece, one end of the elastic energy storage piece is connected with the moving contact assembly, and the other end of the elastic energy storage piece is rotationally connected with a shell of a change-over switch; the driving assembly can drive the elastic energy storage part to rotate and store energy, and when the elastic energy storage part rotates to a preset point, the elastic energy storage part can release energy and drive the moving contact assembly to rotate, so that the moving contact assembly is switched on with the first static contact or the second static contact. According to the contact mechanism, rapid opening and closing between the moving contact and the static contact can be realized through the energy storage and release processes of the elastic energy storage member, and the speed and reliability of the circuit conversion process are improved.

The utility model discloses a bidirectional clutch mechanism for an electrical switch and the electrical switch, which can accurately limit the rotation of an inner gear ring in the opposite direction relative to a clutch turntable through the linkage action of locking assemblies arranged on the two sides of the inner gear ring and the clutch turntable, and does not limit the rotation of the inner gear ring in the same direction. The bidirectional clutch mechanism can support electric switching-on and switching-off of the electrical switch and also support manual switching-on and switching-off operation in a limited space, so that the continuously improved requirement of a power system on the switching-on and switching-off control of a circuit is met, and the operation flexibility and adaptability of the electrical switch are improved; the transmission mode has the advantages of being accurate in transmission ratio, large in bearing capacity and stable in work, in the electric and manual operation process, power and motion can be accurately transmitted through the meshing relation between the gears, energy loss and transmission errors are reduced, and the transmission efficiency is improved. And the accuracy and reliability of the opening and closing operation of the electrical switch are further improved.

The utility model discloses a key structure and the equipment of processing audio data, the key structure includes equipment shell, circuit board, light touch switch, plastic key and elastic thimble structure. Elastic thimble structure is composed of thimble and spring, and the thimble length adjusts the key stroke, and the spring parameter adjusts the pressing force, realizes the independent control of stroke and pressing force, overcomes the defect that traditional silica gel key adjustment range is limited, is applicable to the scene of touch sensitive such as recording pen, translation equipment. Thimble and spring form stable force transmission path, and compatible multi -specification light touch switch, improve versatility. Thimble assembly can be set in cavity or be supported by shell recess, and the structure is flexible. Plastic key is fixed through buckle, prevents falling off, and recess limit compression stroke, and the contact surface design optimizes the consistency of hand feeling. Propose through zinc alloy support to replace plastic parts to improve the overall machine counterweight and holding quality, be applicable to portable audio product, improve overall user experience and market competitiveness.

A relay is to be improved with regard to shock and vibration resistance, bounce behavior, and contact resistance. This includes: - a body on whose surface a first contact is arranged; - a housing element with a first external contact arranged in the relay such that in a first position of the body the first external contact is in contact with the first contact of the body, wherein the first external contact is provided with a first pressure element which exerts a pressure force on the first external contact with a component in the direction of the body; wherein the body can be displaced into a second position in a direction orthogonal to the component of the contact force, in which the first contact and the first external contact are no longer connected, wherein the movement of the body between the first and second positions in a first direction is effected by magnetizing a first coil connected to the housing element and thereby inducing a magnetic force on a first ferromagnetic element connected to the body.

An actuating mechanism (100) of a switching device includes: an output lever (2) connected to a contact of the switching device; and a flat abutment member (12) pivotally swung about a drive shaft (6) and having a first distal end (12A) held in a locked position behind a switch button (9) in a switched-on state. The output lever (2) has a locking pin (2A) for contacting a second distal end (12C) of the abutment member (12) in a switch-ready state and holds the first distal end (12A) of the abutment member (12) in a position away from the locked position in the switch-ready state. In the abutment member (12), when the switch button (9) is pressed from the switch-ready state, the inclination of the abutment member (12) is returned to the switched-on state.