623results about "Contact surface shape/structure" patented technology

The invention provides a clamping type monitoring sensor, a plum blossom contact assembly and a circuit breaker, the clamping type monitoring sensor is provided with an annular shell, the annular shell comprises a first semi-ring shell and a second semi-ring shell, and the first semi-ring shell and the second semi-ring shell are connected through a telescopic structure; the first semi-ring shell and the second semi-ring shell are each provided with at least two inwards-buckled clamping claws, and the clamping claws are arranged along the periphery of the annular shell. The telescopic structure is used for adjusting the size of an area defined by the clamping claws. The tulip contact assembly is applied to a clamping type monitoring sensor. The circuit breaker applies the tulip contact assembly. By applying the clamping type monitoring sensor, the sensor can adapt to different-size installation of tulip contacts of the same type from different manufacturers.

The invention relates to the technical field of motor controllers, and discloses an active circuit breaker, a motor controller, an electric assembly and a vehicle, the active circuit breaker comprises a conducting strip assembly, the conducting strip assembly comprises a first conducting strip and a second conducting strip, and the first conducting strip and the second conducting strip are arranged at an interval in the width direction of the first conducting strip; and the detonating device is provided with a conductive pin, and the extension direction of the conductive pin is parallel to the thickness direction of the first conductive sheet. According to the active circuit breaker disclosed by the invention, the space in the thickness direction of the first conducting strip can be utilized for mounting the conducting pin, so that the space in the width and length directions of the first conducting strip can be more redundant, other structures of the motor controller are convenient to mount, and the internal space of the motor controller is optimized.

The radial opening mechanism comprises a disc-shaped base plate, a plurality of radial sliding grooves are evenly distributed in the surface of one side of the disc-shaped base plate in the annular direction, radial supporting rods are arranged in the radial sliding grooves in a sliding mode, and supporting blocks are arranged at the front ends of the radial supporting rods; a pull rod penetrates through the center of the disc-shaped base plate, and the front end of the pull rod is connected with the radial supporting rods through parallelogram hinge structures. When the pull rod moves backwards, the radial supporting rods can synchronously expand outwards in the radial direction, and the annular elastic piece is opened by the multiple supporting blocks. The pull rod is sleeved with a reset spring used for resetting the pull rod. The radial supporting rods expand outwards in the radial direction under the action of the pull rods and the parallelogram hinge structures, the opening effect of the annular elastic pieces is achieved, and the device is simple in structure, light in weight and convenient to move.

The present disclosure provides a switch assembly that can selectively close or open an electrical circuit. In some embodiments, a switch assembly includes a first board, a plurality of contact pads, a second board, and a plurality of pairs of pogo pins. At least one of the first or second board can be movable relative to the other to configure the switch assembly between an off state and an on state. Each pair of pogo pins can include first end portions electrically coupled to an open circuit and second end portions opposite the first end portions. In the off state, the second end portions of each pair are configured to not be in contact with any of the contact pads. In the on state, the second end portions of each pair are configured to be in contact with a corresponding one of the contact pads, thereby closing the open circuit.

The invention relates to the technical field of motor controllers, and discloses an active circuit breaker, a motor controller, an electric assembly and a vehicle, the active circuit breaker comprises a conducting strip assembly, the conducting strip assembly comprises a first conducting strip and a second conducting strip, and the first conducting strip and the second conducting strip are arranged at an interval in the width direction of the first conducting strip; the detonating device is arranged between the first conducting strip and the second conducting strip, the detonating device is provided with a conducting pin, the extending direction of the conducting pin is parallel to the thickness direction of the first conducting strip, the detonating device is provided with a first firing pin and a second firing pin, the first firing pin is used for impacting the first weak part, and the second firing pin is used for impacting the second weak part. According to the active circuit breaker disclosed by the invention, the space in the thickness direction of the first conducting strip can be utilized for mounting the conducting pin, so that the space in the width and length directions of the first conducting strip can be more redundant, other structures of the motor controller are convenient to mount, and the internal space of the motor controller is optimized.

The invention relates to the technical field of load switch on-off, in particular to an environment-friendly load switch cabinet parallel type on-off device. Comprising a grounding static contact, a lower branch static contact seat, a load switch movable disconnecting link, a linkage driving structure, a main bus, a branch bus, a miniature vacuum arc-extinguishing device, a sectional bus, a connecting rod sliding guide block, an opening and closing connecting rod, a sliding guide sliding rail, a sliding guide wheel, a sliding guide rotating shaft, a driving supporting rod, a reset spring, a shock absorption cushion block, a switching connecting rod fixing part and a disconnecting link linkage groove. The environment-friendly load switch cabinet parallel connection type on-off device comprises an insulating medium, a switching connecting rod, a first guide sliding groove, a second guide sliding groove, a structural shell, a guide block sliding groove, an opening and closing connecting rod roller and an auxiliary clamping structure. Efficient, safe and environment-friendly on-off of power equipment is realized, and powerful technical support is provided for development of a modern power grid.

A high-conductivity metal dome reed comprises a sheet pot-cover-shaped elastic pressing part, a supporting part is arranged on the periphery of the elastic pressing part, a through hole is formed in the elastic pressing part, and the lower edge of the through hole serves as a conduction deformation contact part. According to the utility model, the structure is ingenious and reasonable, the lower edge of the through hole is used as the conduction deformation contact part, after the elastic pressing part is pressed downwards and elastically deforms, the lower edge of the through hole is in line contact or multi-point contact with a matched circuit contact, the conduction contact is sufficient, the reliability is greatly improved, and the normal use and control of the switch are ensured. Moreover, when the lower edge of the through hole is in a downward elastic deformation state, wrinkles protrude downwards, a certain puncturing effect is achieved, and even if a small amount of debris foreign matter exists below, the wrinkles protrude downwards can push away or penetrate the debris, so that conduction contact is ensured.

The invention discloses a CuCr contact and a preparation method thereof, and belongs to the field of alloy contact manufacturing, the CuCr contact is divided into an arc contact area, a transition area and a conductive connection area, and the Cr content of each area is in gradient distribution and is sequentially reduced, so that interface stress concentration can be avoided, and the structural compatibility and mechanical reliability of the whole contact are improved; meanwhile, integrated forming is achieved through the 3D printing technology, the size and the component boundary of each area can be accurately controlled, the complex structure design requirement of the contact is met, and the problems that in the prior art, performance gradient cannot be achieved according to the function requirements of different parts of the contact, and the material utilization rate is low are solved; the printed contact does not have the phenomena of composition segregation, agglomeration, uneven pores and the like, and the problems that in the prior art, Cr elements are difficult to distribute uniformly in a Cu matrix, Cr particles are prone to segregation and agglomeration, local ablation resistance is insufficient, and burning resistance is low are solved.

According to one embodiment, a Vacuum interrupter includes a pair of electrodes provided such that their electrode opposed surfaces face each other, and an undulating structure provided in at least one of the electrode opposed surfaces. The undulating structure includes one or more projections which project from the electrode opposed surface, and depressions provided so as to be adjacent to the projections, respectively. The projections and the depressions are alternately provided in a direction crossing the electrode opposed surface. In a conducting state in which the electrodes are in contact with each other, the projections are in contact with the opposite electrode opposed surface.

A contact arc extinguishing system of a switch belongs to the technical field of switches. Comprising a moving contact, a static contact and an arc extinguish chamber, the moving contact comprises a short contact piece and a long contact piece, grid pieces are arranged in the arc extinguish chamber in an array mode, the arc extinguish chamber is provided with an arc channel, the arc extinguish chamber is characterized by further comprising a labyrinth structure, the long contact piece is provided with a zigzag part, the zigzag part is coupled with the labyrinth structure, and a first moving contact of the short contact piece is located below the labyrinth structure. The second movable contact of the long contact piece is located above the labyrinth structure, and the labyrinth structure limits the arc gas above the labyrinth structure from being sprayed back to the lower portion of the labyrinth structure. The moving contact has the advantages that the arc gas has larger upward moving airflow, the upward movement of the arc is facilitated, and the effect can be ensured to be continuous all the time in the whole opening process of the moving contact; arc gas is prevented from impacting the moving contact, and lower breakdown is effectively prevented.

The invention relates to the field of high-voltage air circuit breaker parts without arc extinguishing or arc preventing devices, in particular to an isolating switch moving contact, a contact base assembly and a three-position switch. The three-position switch comprises a contact and contact seat assembly, the contact and contact seat assembly comprises an isolating switch moving contact, the isolating switch moving contact comprises a moving contact body, guide protection heads are arranged at the two ends of the moving contact body respectively, and the diameter of each guide protection head is larger than that of the moving contact body. One end of the guide protection head, which is deviated from the moving contact body, is provided with a plug-in guide surface, and the plug-in guide surface is used for being matched with an inner hole opening of a jack of the isolation static contact or the grounding static contact; and an avoiding groove corresponding to the guide groove is formed in the peripheral surface of the guide protection head and corresponds to the end part of the guide block. The isolating switch moving contact can solve the problems that an existing isolating switch moving contact is damaged due to abrasion in use, and the manufacturing cost is high.

The invention relates to the technical field of switch equipment, and particularly discloses a high-speed grounding switch and GIS equipment. The high-speed grounding switch comprises a three-phase static contact assembly, a cylinder body, a piston plate and a three-phase moving contact. The piston plate is slidably connected to the inner circumferential wall of the cylinder body, and the piston plate and the cylinder body define an air chamber. The three-phase moving contacts and the three-phase static contact assemblies are arranged in a one-to-one correspondence mode, each phase of moving contact penetrates through the cylinder body and the piston plate, and the moving contacts can slide relative to the cylinder body and drive the piston plate to move; the moving contact is of a hollow rod-shaped structure, one end of the moving contact is provided with an exhaust port opposite to the static contact assembly, the moving contact is provided with a vent hole communicated with the inner space of the moving contact and the air chamber, and the other end of the moving contact is closed and used for being connected with a driving device. And the driving device can drive the three-phase moving contact to be synchronously contacted with or separated from the three-phase static contact assembly. The high-speed grounding switch is high in capability of cutting off electromagnetic induction current, and the number of parts is small.

The utility model relates to an elevator door lock with a reliable switch contact joint structure, which comprises a door lock switch seat and a door hook seat, a rotating hook is rotatably arranged on the door hook seat, a door lock switch with a spring conducting strip and a fixed lock hook are arranged on the door lock switch seat, an extending plate is further arranged on a transverse plate, and the extending plate is fixedly connected with the rotating hook. The extension plate is fixed on the extension plate adjusting fixing hole through a screw, the contact is located on the extension plate and matched with the spring conducting strip, the extension plate is provided with a contact piece made of red copper, and the contact piece can rotate and can be fixed on the extension plate at a selected angle; and the contact is positioned on the contact piece. The elevator door lock has the advantages that during maintenance, the position of the contact can be changed by rotating the contact piece to adjust the position, the whole assembly does not need to be replaced, the maintenance work can be greatly simplified through the design, and the reliability and durability of the elevator door lock are improved.

The static contact comprises a static contact and a body part, one end of the body part is provided with a guide part which extends forwards, the other end of the body part is provided with a hook-back part which is formed by lifting and folding back at the tail end of the guide part, and the static contact is connected to one end of the hook-back part. According to the utility model, through the design of the static contact, a more stable contact state can be formed when the moving contact and the static contact are contacted, and through prolonging parts with the same current direction and reducing parts with opposite current directions, electric repulsive force is effectively reduced, and electric suction force is increased, so that the contact pressure of the contacts is improved, the contact stability is ensured, and the service life of the contacts is prolonged. And in the on-off process of the static contact, the special structure of the static contact generates a strong electromagnetic field around the contact, so that the electric arc can be blown away more effectively, the combustion time of the electric arc is shortened, the loss of a contact material is reduced, and the service life of the contactor is prolonged.

The utility model provides a transmission mechanism and an isolating switch, and belongs to the technical field of electrical equipment. The transmission mechanism is applied to the disconnecting switch, the disconnecting switch comprises a moving contact assembly, and the transmission mechanism comprises a support, a swing lever, a connecting rod assembly and an energy storage part. The swing lever is rotationally connected to the support. The first part of the connecting rod assembly is rotatably connected to the support, and the second part of the connecting rod assembly is connected with the moving contact assembly. The first end of the energy storage piece is connected to the swing lever, and the second end of the energy storage piece is connected to the third part of the connecting rod assembly. The energy storage piece is located on the first side of the connecting rod assembly, and when the swing lever swings relative to the support, the energy storage piece swings along with the swing lever and stores energy. When the energy storage part swings from the first side of the connecting rod assembly to the second side of the connecting rod assembly, the energy storage part releases energy to drive the connecting rod assembly to act to drive the moving contact assembly to rotate. The connecting rod assembly is combined with the moving contact assembly, so that the probability that the contact assembly of the disconnecting switch cannot be disconnected or closed is reduced.

A unit pole of a double-breakpoint switch belongs to the technical field of low-voltage electric appliances. Comprising a shell, static contacts, a bridge-type moving contact, an arc extinguish chamber and a rotating shaft, the static contacts, the bridge-type moving contact, the arc extinguish chamber and the rotating shaft are located in the shell, the bridge-type moving contact is installed in the rotating shaft and comprises a pair of moving contact arms which extend out of the rotating shaft in a back-to-back mode, the static contacts are in a flat plate shape and are arranged on the top wall and the bottom wall in the shell respectively, and the arc extinguish chamber is arranged in the shell. The arc extinguish chambers are arranged in the shell and are in contact fit with the movable contact arms respectively, the movable contact arms form a < shape when making contact with the static contact, and the arc extinguish chambers are located on the left side and the right side in the shell respectively. The arc extinguish chamber has the advantages that the space occupied by the static contact in the shell is reduced, so that the space for placing the arc extinguish chamber can be increased, the arc extinguish chamber can obtain a larger space in the array direction of the grid sheets, more grid sheets can be stacked, the arc voltage can be improved, and the arc can be extinguished quickly; and meanwhile, the requirement of high-voltage breaking is met.

The utility model relates to a double-break isolating switch. Comprising a mechanism frame, an insulation isolation shaft rotationally arranged on the mechanism frame, three insulation driving cams arranged on the insulation isolation shaft in a linkage mode, three isolation knives arranged on the three insulation driving cams in a linkage mode, and three upper static contacts arranged on a fixed beam of the mechanism frame and matched with the three isolation knives. The three upper static contacts are arranged on a fixing frame of the mechanism frame, the three lower static contacts are arranged on the fixing frame of the mechanism frame and matched with the three isolation knives, the grounding contact assembly is arranged on the mechanism frame and matched with the three isolation knives, and the mechanism frame is provided with an insulating partition plate which is arranged between the grounding contact assembly and the three upper static contacts in a partition mode. The utility model has the advantages of simple structure, stable and reliable performance, fast opening and closing speed, good insulation performance and small volume.

The present invention relates to the field of low-voltage electric devices, and in particular to a contact system and an electric switch device comprising the contact system. The contact system comprises a main contact structure and auxiliary contact structures which are respectively pivotally arranged and synchronously rotate; two auxiliary contact structures are respectively arranged on two radial sides of the main contact structure, and rotate synchronously with the main contact structure so that the contact system is closed or opened. The contact system has a fast breaking speed, large clearance, and a strong breaking capability.

A micro-electromechanical systems (MEMS) switch and method of fabricating the same including at least one comb drive having a first input and a second input, at least one conductive beam connected across the at least one comb drive, a first contact, and a second contact, wherein no voltage difference between the first input and the second input does not result in any movement of the MEMS switch, and wherein a voltage difference between the first input and the second input causes an electrostatic force to be generated that causes the at least one conductive beam to move in a direction orthogonal to a direction of the electrostatic force.

The utility model provides a captive screw trigger switch structure and equipment, and the captive screw trigger switch structure comprises a captive screw, an elastic assembly and a mounting seat, the elastic assembly is arranged in the mounting seat, the elastic assembly comprises a PCB and a conductive elastic seat, the conductive elastic seat is fixedly arranged on the PCB, and the PCB is fixedly connected with the mounting seat. The captive screw comprises a conductive end face and a screw part with an insulating layer, and the screw part of the captive screw penetrates through the conductive elastic seat and the PCB; whether an electric signal is triggered or not is achieved by screwing in / out the captive screw. According to the embodiment of the invention, the microswitch function can be realized only by using the captive screw. And structures such as matched wrenches, buttons and the like are not needed to realize the function of the microswitch. The structure is compact, the microswitch function is realized without perception, the application scene is not limited, and the innovativeness is high.

The present application provides a contact comprising: a first contact member formed of a tungsten-containing material, the first contact member having an exposed surface and a first groove open to the exposed surface, the first groove having a surrounding sidewall and a bottom wall defining an interior of the first groove; a first metal layer on a bottom wall of the first recess and having a top surface below the exposed surface of the first contact member; a liquid metal layer formed of a material containing a gallium indium tin alloy, located only on the top surface of the first metal layer and extending over the exposed surface of the first contact member, and the liquid metal layer is compliant and displaced by pressure applied to the liquid metal layer, and return to the initial shape in response to removal of the pressure on the liquid metal layer.

The invention relates to the technical field of low-voltage electric appliances, in particular to a contact module and a novel rotary disconnecting switch, and the contact module comprises an installation housing with an installation cavity, and the installation housing is rotatably connected with a rotary installation disc; the 2N arc extinguish chambers are connected with the mounting shell, and the arc extinguish chambers are positioned in the mounting cavity; the 2N static contacts are connected with the mounting shell, the static contacts and the arc extinguish chambers are alternately distributed around the circumferential direction of the rotary mounting disc, and one end of each static contact extends into the mounting cavity; the N static contacts are embedded in the rotating mounting disc, the N moving contacts are embedded in the rotating mounting disc, an insulating block is arranged between every two adjacent moving contacts, and the rotating mounting disc rotates to enable the two ends of each moving contact to abut against the two corresponding static contacts respectively; wherein N is a positive integer and is not less than 2; the rotary isolation switch has the effect of reducing the space occupancy rate of the rotary isolation switch in the inverter system.

The utility model relates to a high-voltage direct-current deicing isolating switch, which is structurally characterized in that a 550KV post insulator and a 35KV post insulator are parallelly arranged at the top of a base, a grading ring is arranged at the top of the 550KV post insulator, a static contact is arranged on the grading ring, and a main knife switch with a bending structure is arranged between the 35KV post insulator and the static contact; a bending control mechanism is arranged at the bottom of the main knife switch; an electric operating mechanism at the bottom of the base is connected with the bending control mechanism through an operating rod; and after the main knife switch is unfolded, the contact plate at the top is plugged with the static contact. According to the structure of the high-voltage direct-current ice-melting isolating switch, the conductive section of the conductive tube is increased, and the through-current capability of a product is improved; the main knife switch adopts a bending structure and has the characteristics of flexible rotation and strong corrosion resistance; the structure of the product is simplified, the later maintenance is facilitated, the maintenance period is prolonged, and the stability of switching-off and switching-on operation after the product runs for many years is ensured.

The invention relates to an actuator-sensor device (1) which has at least one upper membrane (2), wherein at least one actuator electrode having a signal input, and at least one unoccupied region in the form of a through-gap, are arranged on the at least one upper membrane (2). The device has at least one central membrane (3), wherein the at least one central membrane (3) has at least one hole-like opening (4). Furthermore, the device (1) has at least one lower membrane (5), wherein at least one actuator electrode having a signal input, and at least one unoccupied region in the form of a through-gap, are arranged on the at least one lower membrane (5). Finally, the device (1) has at least one upper sensor electrode (6) having a head and having a supply line with a signal output, wherein the head of the at least one upper sensor electrode (6) and the supply line of the at least one upper sensor electrode (6) are arranged in the at least one unoccupied region, in the form of a through-gap, of the at least one upper membrane (2), and at least one lower sensor electrode (7) having a head and having a supply line with a signal output, wherein the head of the at least one lower sensor electrode (7) and the supply line of the at least one lower sensor electrode (7) are arranged in the at least one unoccupied region, in the form of a through-gap, of the at least one lower membrane (5).

The invention relates to the technical field of low-voltage electric appliances, and particularly discloses a double-breakpoint switch unit and an isolating switch. A moving contact assembly driven to rotate is arranged in the middle of the shell structure, a static contact assembly and an arc extinguishing assembly are arranged on the rotating plane of the moving contact assembly, and the static contact assembly and the arc extinguishing assembly are arranged at intervals in the circumferential direction of the rotating axis of the moving contact assembly. The arc extinguishing assemblies are arranged on two sides of the moving contact assembly along a first direction, the static contact assemblies are arranged on two sides of the moving contact assembly along a second direction, and the first direction is vertically intersected with the second direction. According to the invention, the space utilization rate in the switch shell can be improved, and the size of the whole switch is effectively reduced while the arc extinguishing performance is ensured.

The invention belongs to the technical field of combined electric appliances, and particularly relates to a quick butt joint device suitable for a reserved double-fracture combined electric appliance. The quick butt joint device suitable for the reserved double-fracture combined electric appliance comprises an early-stage double-fracture isolating switch and a later-stage extension switch body, and is characterized in that a front insulator is mounted on the right side of the early-stage double-fracture isolating switch, a rear insulator is mounted on the left side of the later-stage extension switch body, the front insulator is connected with a conductor joint, and the conductor joint is connected with the rear insulator. The conductor joint is connected with the tulip contact, the tulip contact is connected with the conductor, and the conductor is connected with the rear insulator. The rapid butt-joint device has the beneficial effects that through the rapid butt-joint device, a later-stage interval can be directly spliced with an early-stage bus isolation position, so that the butt-joint work such as foundation measurement, alignment and repeated hoisting of a switch is greatly reduced, the reliability of a product is improved, and the construction period is shortened.

The electromagnetic relay includes a pair of fixed terminals, a movable contact piece and a magnet portion. The pair of fixed terminals includes a fixed contact. The movable contact piece includes a movable contact arranged opposite to the fixed contact, and can move in a first direction in which the movable contact contacts the fixed contact and in a second direction in which the movable contact moves away from the fixed contact. The magnet portion generates a magnetic field for extending an arc generated between the fixed contact and the movable contact. At least one of a corner portion on a first direction side of the fixed terminal in the arc extension direction or a corner portion on a second direction side of the movable contact piece in the arc extension direction has a chamfered shape within a range where the arc passes.

The utility model relates to the technical field of reed switches, in particular to a stable and reliable high-voltage-resistant high-power multi-point contact type reed switch. The stable and reliable high-voltage-resistant high-power multi-point contact type reed switch comprises a glass tube, a moving plate fixing rod, a beryllium copper straight elastic piece, a silver contact point, a riveting bolt, a contact point contact piece, a contact lower straight elastic piece and a fixing piece, the glass tube serves as a main body of the reed switch and is of a tubular structure, the glass tube is in a closed state, and the moving plate fixing rod and the silver contact point are fixed through the fixing piece. The glass tube is filled with inert gas, one end of the moving plate fixing rod is fixed to the left side in the glass tube, the fixing plate is fixedly installed on the right side in the glass tube, and the copper-plated straight elastic piece is installed at the right end of the moving plate fixing rod through a riveting bolt. The multi-point contact design of the silver contact point and the contact lower straight elastic sheet and the contact point contact sheet and the fixed sheet is adopted, a stable conduction circuit is formed under the action of a magnetic field, the contact reliability of the reed switch under various working conditions is greatly improved, and the risk of poor contact or open circuit is reduced.