36results about "Contact surface shape/structure" patented technology

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).

To provide a contact mechanism that can further suppress the electromagnetic repulsive force that may occur when current is applied. [Solution] A contact mechanism 100 according to one aspect of the present disclosure comprises a movable element 110, a first stator 120, a second stator 130, a connecting member 140 that connects the movable element 110 and the movable iron piece 150 and drives the movable element 110 with an electromagnet having a movable iron piece 150, and an auxiliary yoke 160 that is positioned inside the first stator 120 and the second stator 130 in a first direction and on the first surface side of the movable element 110, wherein the first stator 120 extends in the first direction from a first connection to a first fixed contact, the second stator 130 extends in the first direction from a second connection to a second fixed contact, and the movable element 110 is planar when viewed from the first direction at the location on the first surface corresponding to the location where the auxiliary yoke 160 is positioned.

The utility model relates to a kind of low temperature-rise disconnecting switch, and the accommodation end supported by contact provides stable mounting position for movable contact, so that movable contact can be firmly fixed in shell, ensure the position accuracy of movable contact in working process, reduce the problem such as poor contact caused by movable contact shaking, movable contact uses integrally-formed main part, two ends respectively extend outward to form contact arm, simple and compact structure, reduce the number of parts, reduce manufacturing and assembly cost, also improve the overall strength and reliability of movable contact, wiring board is integrated straight contact plate, simple structure, large contact area, can provide good conductivity, reduce contact resistance, reduce temperature rise, and contact arm is provided with cylindrical contact point at one end close to wiring board, can increase the contact pressure between contact arm and wiring board, make contact more closely, to effectively reduce contact resistance.

A switching device (30) is proposed for a medium voltage electrical apparatus (100), comprising: - a fixed contact (1), - a moving contact (2) configured to pivot about a pivot axis (R2) between: a first position (P1) in which the contacts (1,2) are separated, and a second position (P2) in which the contacts (1,2) are in contact, wherein the fixed contact (1) includes an arc guide (5) projecting from the fixed contact (1), the arc guide (5) being configured to be traversed by an electric arc generated at the establishment or interruption of the electric current between the fixed contact (1) and the moving contact (2), wherein the arc guide (5) includes two grooves (6) separated by a rib (7).

The present invention relates to a circuit arrangement (100a; 100b; 100c) comprising: an elastically deformable conductor element (1) that is fixed at one end, and a contact element (2a; 2b; 2c) that has a voltage tap point (2.1) and at least one contact surface (2a.2; 2b.2, 2b.3, 2b.4; 2c.2), wherein the at least one contact surface (2a.2; 2b.2, 2b.3, 2b.4; 2c.2) is electrically connected to the voltage tap point (2.1) and is electrically contacted by at least one free end (1.4) of the elastically deformable conductor element (1), wherein the elastically deformable conductor element (1) and the contact element (2a; 2b; 2c) are configured such that a contact is made between the free end (1.4) of the elastically deformable conductor element. (1) and the voltage tap point (2.1) of the contact element (2a; 2b; 2c) measurable electrical arrangement resistance from a respective position of the free end (1.4) of the elastically deformable conductor element (1), wherein a change in the position of the free end (1.4) results from a deformation of the elastically deformable conductor element (1). The present invention further relates to a motor vehicle (200) with at least one circuit arrangement (100a, 100b, 100c) according to the invention.

The utility model discloses a contact switch, including circuit substrate, first fixed contact and first contact spring, be equipped with the power module of control machine opening and closing on circuit substrate, first fixed contact and first contact spring with power module electric connection, make first contact spring and first fixed contact can pass through power module control machine opening and closing, because first contact spring and first fixed contact simple structure personally, have not set up the shell body and wrapped first contact spring and first fixed contact, make first contact spring and first fixed contact even contaminate various dust or moisture, after machine work is completed, can very easily wipe dry and blow dry dust or moisture on first contact spring and first fixed contact, have the advantage that easy to clean, prolong the working life of machine. The utility model discloses still a kind of including the cleaning gun of above-mentioned contact switch.

The utility model discloses a kind of composite contact that contact is more accurate and stable, including base, the upper surface of the base is provided with the threaded mounting hole with internal thread, the threaded mounting hole is connected with contact inside thread, the upper surface of the contact is provided with contact concave surface, the contact concave surface is provided with composite layer, the center part of the contact and the composite layer are provided with limiting hole, the limiting rod of not conducting electricity can be inserted in the limiting hole, the upper end of the limiting rod is fixedly connected with the matching part for contacting the composite layer to realize power-on, the design of contact arc surface between limiting rod, limiting hole and matching part and composite layer makes the contact of two contacts more stable and accurate, with better impact resistance performance;The contact arc surface between matching part and composite layer can increase the contact area of both, improve conductive performance.

The three power automatic transfer switch comprises a transfer driving mechanism of the three power automatic transfer switch, a three power automatic transfer switch contact assembly, a three power automatic transfer controller and a state indicating assembly; the three power automatic transfer switch contact assembly comprises two movable contacts for each pole in an insertion type structure, and a load static contact is connected with a first power static contact, a second power static contact and a third power static contact through the movable contacts. Six holes of an upper cover are matched with indicating labels of a manual operation assembly to indicate positions of the movable contacts and the first power static contact, the second power static contact and the third power static contact, and when I appears in I, II and III positions on the label, the switch is closed, and when I appears in O, O and O positions on the label, the switch is opened. The three power automatic transfer controller realizes continuous power supply of three powers through the transfer driving mechanism of the three power automatic transfer switch.

The utility model provides a kind of contact device and switch, contact device includes conducting plate, and at least one group of contact component is arranged on the conducting plate, the contact component includes: first L-shaped contact, with the first horizontal plate part and the first vertical plate part of bending connection;Second L-shaped contact is oppositely arranged with the first L-shaped contact, it has the second horizontal plate part and the second vertical plate part of bending connection, and the second horizontal plate part is fixed above the first horizontal plate part. Through two reverse L-shaped contacts of stacking, the number of contacts is multiplied under the same conducting plate length, not only increase the carrying capacity, and reduce contact resistance, in addition, compared with prior art, can guarantee switch miniaturization.

The utility model relates to a single-beat type double-breakpoint auxiliary group, which comprises a shell, a connecting rod and a combined normally-closed contact. Two groups of static contacts corresponding up and down are arranged in the shell, a contact support is slidably mounted between the static contacts, and a clamping groove is formed in the top of the contact support. And a spherical head at one end of the connecting rod is movably arranged in the clamping groove and can move at multiple angles to ensure that the contact system acts accurately and reliably, and a cylindrical head at the other end penetrates through the side wall of the shell to be matched with the contactor body. A bridge-shaped contact is arranged in a first rectangular window of the contact support, and contact points at four corners of the bridge-shaped contact are provided with silver wires which are in line-surface contact with a static contact, so that weak signal conduction performance is improved. The combined normally-closed contact is composed of a fixed plate and a reed type movable plate, and a silver contact is installed at one end of the movable plate and penetrates through the second rectangular window to correspond to the lower static contact. When the contactor is powered on and off, the connecting rod drives the contact support to act to realize opening and closing of the contact. In addition, the convex hulls on the reed type movable plate increase the opening distance of the normally-closed contact, thereby preventing the generation and spreading of electric arc, and improving the breaking capacity and the insulating property.

A kind of protection switch, it includes contact system one and contact system two, the contact system one and contact system two are in time sequence contact and separate in succession, the contact system one contacts conducting circuit one, the contact system two contacts conducting circuit two, the circuit one and circuit two constitute parallel branch, the contact system one and contact system two are in time sequence contact and separate in succession so that arc is generated between contact system one to ensure that protection switch has higher on-off breaking capacity, simultaneously, the parallel branch that circuit one and circuit two constitute can withstand greater short-circuit current when closing, so that protection switch also has higher short-time resistance capability.Therein, contact system one is to hit and combine, contact system two is clamped type, silver contact point is arranged on the contact system one to resist arc burning, clamped type contact system two is copper guide rod, the parallel branch that circuit one and circuit two constitute can withstand greater short-circuit current when closing, so that protection switch also has higher short-time resistance capability.

A photovoltaic inverter and a DC switch are disclosed. The photovoltaic inverter includes a DC switch and a DC-DC conversion circuit. The DC switch connects the photovoltaic string and the DC-DC conversion circuit. The DC switch includes multiple switch units stacked along a first direction, with a moving contact positioned between a first stationary contact and a second stationary contact along a second direction. An arc-extinguishing unit includes a first grid group and a third grid group arranged opposite each other along the second direction. The second grid group is positioned between the first and third grid groups. The first grid group contacts the first stationary contact and is located between the first stationary contact and the housing. The second grid group is located between the moving contact and the housing. The third grid group is located between the second stationary contact and the housing. The first grid group includes multiple first arc-extinguishing grids spaced apart along a third direction. The second grid group includes multiple second arc-extinguishing grids spaced apart and protruding towards the moving contact along the third direction. The third grid group includes multiple third arc-extinguishing grids spaced apart along the third direction.

A contact assembly, contact system, single-contact relay, and changeover switch device are disclosed, comprising a stationary contact assembly and a moving contact. The stationary contact assembly includes a first stationary contact and a second stationary contact separated by an insulating gap. One end of the moving contact is electrically connected to one end of the first stationary contact in a movable manner, and the other end of the moving contact is disposed corresponding to the second stationary contact. Under external force, the moving contact rotates relative to the first stationary contact, making conductive contact or separating from the corresponding second stationary contact. This single-set contact assembly can be used in a relay to form a single-contact relay, improving contact reliability. When at least one set of contact assemblies is used in a contact system and changeover switch device, it can realize the switching of at least two circuit operating states, improving contact reliability and arc extinguishing capability.

The utility model relates to a kind of spring piece switch and locking signal function structure, belong to the field of automobile locking system signal transmission.The spring piece switch has terminal connection end and bifurcate double contact pin structure, the bifurcate double contact pin structure includes actuating contact pin and execution contact pin, the actuating contact pin is abutted with external driving member and is driven and controlled by it, the execution contact pin follows the action of actuating contact pin, to realize the contact and separation with copper column.The utility model increases the buffer tolerance of spring piece in the process of opening and closing by double contact pin spring piece structure, improves the overall resistance and stability of spring piece.Low-cost signal demand conversion is simultaneously realized, so that replacement upgrade can be carried out on lock with very low cost, greatly saves change cost and development cycle.

An arc-extinguishing system for a switch belongs to the field of low-voltage electrical technology. It includes an arc-extinguishing chamber and a contact system. The contact system includes a moving contact and a stationary contact. After the moving contact actuates, it makes contact with or separates from the stationary contact. The arc-extinguishing chamber is located on one side of the contact system in the opening direction. The arc-extinguishing chamber includes a pair of side plates, multiple grid plates disposed between the pair of side plates, and a pair of gas-generating elements. The pair of gas-generating elements are located at the lower edge of the grid plates. The key feature is that the pair of gas-generating elements are arranged opposite each other, forming a flared opening with a larger diameter at the bottom and a smaller diameter at the top in the upward direction. The moving contact includes a long contact plate and a short contact plate, with the arc-initiating head of the long contact plate extending beyond the flared opening. Advantages: It helps the arc quickly cross the flared opening, facilitates the arc's rapid entry into the grid plates of the arc-extinguishing chamber, and effectively prevents arc retreat.

A disconnecting switch includes an operating device and multiple switching units. The operating device includes a housing, an operating mechanism disposed within the housing, and at least two trip units. The at least two trip units include a first trip unit and a second trip unit. The first trip unit is used at least to drive the operating mechanism to trip when a current and / or voltage fault occurs in the circuit network electrically connected to the input terminal of the switching device to which the operating device belongs. The second trip unit is used at least to drive the operating mechanism to trip when a current and / or voltage fault occurs in the circuit network electrically connected to the output terminal of the switching device to which the operating device belongs. The multiple switching units include at least one first switching unit and multiple second switching units. The cross-sectional areas of the first stationary contact, the second stationary contact, and the moving contact of the first switching unit are larger than the cross-sectional areas of the first stationary contact, the second stationary contact, and the moving contact of the second switching units. This application is beneficial for improving fault diagnosis efficiency and reducing fault diagnosis difficulty.

A contact system includes a contact support and a moving contact. The moving contact has moving contacts at both ends that mate with stationary contacts. The contact support has two raised mounting protrusions on the side away from the stationary contacts, and a clearance notch between the two mounting protrusions. Each of the two mounting protrusions of the contact support has at least one contact spring, and the contact springs on the two mounting protrusions are respectively connected to the two ends of the moving contact where the moving contacts are located. A changeover switch includes a housing and a contact system. The housing contains a load terminal, a power supply I terminal, and a power supply II terminal. The load terminal is electrically connected to the moving contact. Two stationary contacts are respectively located on the power supply I terminal and the power supply II terminal. In this invention, the contact support has a notch design on the side near the load terminal, and two mounting protrusions are spaced apart for mounting contact springs, saving space and increasing the rotation angle of the contact support.

This application provides a copper-steel composite element for miniature circuit breakers, an electrical contact assembly, and a miniature circuit breaker. The copper-steel composite element includes: a magnetic conductor, one end of which has at least one through groove extending through the thickness direction of the magnetic conductor; and an arc-starting angle, one end of which has a fitting portion matching the shape of the through groove, the fitting portion being riveted and fitted into the through groove. This application connects the end of the arc-starting angle to the through groove of the magnetic conductor by riveting and fitting together, forming a laterally composite copper-steel composite element. This allows for the connection between the arc-starting angle and the magnetic conductor without relying on additional parts, enabling rapid arc extinguishing without reducing the conductivity of the arc-starting electrical contact assembly. This makes the electrical contacts of the miniature circuit breaker more resistant to arc erosion, thus extending the product's service life.

A structure for reducing contact bounce of a switch device, a contact assembly and a switch device, comprising a movable contact and a movement assembly for mounting the movable contact, an inertia assembly and a blocking structure are arranged on the movable contact or the movement assembly, when the movement assembly displaces with the movable contact, the inertia assembly displaces within the constraint range of the blocking structure under the action of inertial force; when the movement assembly stops moving with the movable contact, the inertia assembly collides with the blocking structure under the action of inertial force, and cancels part or all of the mechanical force acting on the movable contact when the switch is closed or opened. Through the inertia assembly and the blocking structure, the switch device with the contact assembly makes the kinetic energy direction of the inertia assembly opposite to the mechanical force direction generated when the switch is closed or opened, cancels the mechanical force, and thus reduces the bounce of the movable contact.

A switching device (30) for a medium voltage electrical unit (100) is proposed, having a fixed contact (1), a moving contact (2) configured to pivot relative to a pivot axis (R2) between a first position (P1) in which the contacts (1, 2) are separated and a second position (P2) in which the contacts (1, 2) are in contact, wherein the fixed contact (1) comprises an arc guide (5) protruding from the fixed contact (1) configured to follow an arc produced when establishing or switching a current between the fixed contact (1) and the moving contact (2), wherein the arc guide (5) comprises two grooves (6) separated by a rib (7).

This utility model discloses a contact over-line protector, including a contact box and a contact plate box. The contact box has a sliding cavity with an opening, and a contact seat is slidably fitted inside the sliding cavity. One end of the contact seat has multiple contact heads extending from the opening of the sliding cavity, and the other end has a terminal block. The terminal block passes through the bottom wall of the sliding cavity and extends out of the contact box. The contact seat also has an adjustment structure for adjusting the height of the contact heads extending out of the contact box. The contact plate box has the same number of contact plate seats as the contact heads. Both the contact heads and contact plate seats are made of copper. This utility model uses copper for the contact heads and contact plate seats, which prevents rust and oxidation, extending their service life. The adjustable height of the contact heads extending out of the contact box and the increased contact point facilitate various applications. The expanded contact area of ​​the contact plate seats reduces the probability of failure.

The present invention relates to a contactor (2) for a high-current connection, comprising an elastic support element (6) made of a conductive and elastic alloy material, such as beryllium copper, wherein the elastic support element (6) has an elastic connector matrix arrangement (14) configured on the entire contact underside by means of matrix X-axis and Y-axis machining, in which elastic connectors (10) are arranged in a matrix on the entire contact underside, wherein the elastic connectors (10) are heat-treated to exhibit elastic resistance, and each has an elastic leg portion (10a) extending integrally from a base portion (8) in an inclined direction or in the form of ' extends, and are provided with an elastic contact foot part (10b) at the front end of the elastic leg part (10a).

The utility model discloses a kind of static contact point groups of automatic switch, belong to railway control equipment technical field, including dynamic contact point group, static contact point group being symmetrically arranged in the side of dynamic contact point group;Static contact point group includes static contact point mounting seat, contact piece group, contact piece group includes inner group static contact point piece, outer group reinforcing support piece, inner group static contact point piece includes inner upper group static contact point piece, inner lower group static contact point piece, outer group reinforcing support piece includes outer upper group reinforcing support piece, outer lower group reinforcing support piece, inner group static contact point piece, outer group reinforcing support piece are integrally formed.The utility model has the advantages that: the contact piece group on static contact point group uses two layers of contact piece, lower layer contact piece spark erosion aging in instant circuit connection, circuit is connected, continue to make dynamic contact point ring press into upper layer contact piece, upper layer contact piece will not form pull arc phenomenon, two layers of contact piece work simultaneously circuit connection, compared with existing single layer static contact piece, improve safety, reduce circuit hidden danger and risk.

The application relates to the technical field of magnetic switches, and discloses a magnetic switch which comprises an upper shell and a lower shell, a moving contact piece is arranged on the upper shell in a sliding mode, a static contact piece is arranged on the lower shell, a groove is arranged on the static contact piece, a protruding block is arranged on the moving contact piece, and the protruding block can be inserted into the groove; when the moving contact piece abuts against the static contact piece, the protruding block is inserted into the groove; the application increases the contact area between the moving contact piece and the static contact piece by inserting the protruding block into the groove, increases the conductive area between the moving contact piece and the static contact piece, reduces the instantaneous temperature when the moving contact piece and the static contact piece are in contact, reduces the situation that the moving contact piece or the static contact piece is stuck or worn, and prolongs the service life of the magnetic switch.

A switching device for a medium-voltage electric unit is proposed, having: a fixed contact, a mobile contact configured to pivot with respect to a pivot axis between: a first position in which the contacts are separated, and a second position in which the contacts are in contact, wherein the fixed contact comprises an electric arc guide projecting from the fixed contact, the electric arc guide being configured to be followed by an electric arc generated upon the establishment or the switching of the electric current between the fixed contact and the mobile contact, wherein the electric arc guide comprises two grooves separated by a rib.