104results about "Relay terminal arrangements" patented technology

An electromagnetic relay includes a first stationary contact; a second stationary contact that is aligned with the first stationary contact in a first direction; a first movable contact that is movable toward / away from the first stationary contact in a second direction perpendicular to the first direction; a second movable contact that is movable toward / away from the second stationary contact in the second direction; and a first permanent magnet and a second permanent magnet that face each other. A first contact part, formed by the first stationary contact and the first movable contact, and a second contract part, formed by the second stationary contact and the second movable contact, are interposed between the first permanent magnet and the second permanent magnet in the first direction. The first permanent magnet and the second permanent magnet extend in a third direction, which is perpendicular to the first direction and the second direction.

In an electrostatic relay in which a moving contact and a movable electrode are displaced in parallel with a base substrate, an opening force is increased when the movable electrode is separated from a fixed electrode, and a structure is simplified to enhance a degree of freedom of design. A fixed contact portion and a fixed electrode portion are fixed to the base substrate. The fixed electrode portion and a movable electrode portion constitute an electrostatic actuator that displaces the movable electrode portion and a moving contact portion. A movable spring provided in a spring supporting portion retains the movable electrode portion in a displaceable manner. A cantilever secondary spring is provided in the spring supporting portion, and a projection portion is provided in a front end face of the movable electrode portion. The secondary spring abuts on the projection portion while being not deformed until abutting on the projection portion, before the moving contact of the moving contact portion abuts on the fixed contact of the fixed contact portion when the moving contact portion and the movable electrode portion are displaced.

The invention belongs to the technical field of relays, in particular to an overcurrent protection relay, which includes a base, a movable slot, a protective shell, a side door, a bottom plate, a first link, a second link, a connecting shaft, a fixed cylinder, a slider, a first spring, a connecting rod, a second spring, a connecting block, a fixing block, a fixing plate, a heat dissipation hole, an ash-proof net, a side cover, a ventilation slot, a refrigeration tube, a semiconductor refrigeration sheet, a heat dissipation cavity, a fan, a mounting bracket, a relay body , a micro motor, a gear, a first rack plate, a mounting plate, a second rack plate, a side plate, a movable plate, a fixing rod, a wire incoming slot, a through slot, a pulling rod, a limiting slot, a third spring, a fixingcolumn, a clamping plate, a wire incoming plate and a clamping slot. The fan operates to drive air to enter the ventilation slot from the air inlet hole at one end of the side cover, the air is cooled through the refrigeration tube and the semiconductor refrigeration sheet in the ventilation slot and is then transmitted to the inner part of the protective shell, the relay body in the case of operation is thus cooled, and the service life of the relay is improved.

An electronic component including a component main body and a plurality of lead terminals is inserted and accommodated in a housing member, the lead terminals are brought into contact with a plurality of terminal fittings held in the housing member. The lead terminals are formed such that at least one of the number of lead terminals on each side surface before and after the reversing, a distance between the contact portion and the side surface of the component main body facing the contact portion, and a width dimension in a direction perpendicular to the extending direction of the contact portion differs, when the component main body is rotated at 180 degrees to reverse the positions of the pair of opposite side surfaces of the component main body. Accordingly, it is possible to prevent improper assembly of an electronic component.

A coil terminal assembly for a magnetic contactor comprises: a coil terminal connected to the coil and electrically connected to an external wire, for magnetizing the coil thereby driving the movable contact; a connection supporting member having a top portion having a threaded screw connection portion, a body portion having an opening through which the coil terminal and the external wire are inserted and providing a space in which the coil terminal and the external wire are electrically connected to each other, and a bottom portion formed as a concave surface inclined towards a center portion, the connection supporting member movable to a position for pressurizing the external wire so as to maintain an electrical connection between the external wire and the coil terminal, and movable to a position for separating the external wire from the coil terminal; and a driving screw having a threaded surface meshed with the screw connection portion, for driving the connection supporting member along the threaded surface.

The present invention provides a contact mechanism that is capable of, without enlarging the entire configuration thereof, preventing the generation of an electromagnetic repulsion that opens a movable contact upon application of a current, and also provides an electromagnetic contactor that uses this contact mechanism. A contact mechanism (CM) has a fixed contact (2) and a movable contact (3) that are inserted in a current-carrying path. In the contact mechanism (CM), at least either the fixed contact (2) or the movable contact (3) is formed into an L-shape or a U-shape so as to generate a Lorentz force that acts against an electromagnetic repulsion in an opening direction, which is generated between the fixed contact (2) and the movable contact (3) upon application of a current.

The invention relates to a multiple relay arrangement consisting of a plurality of relay sockets (1) which are arranged next to each other and a plurality of relays (2). The relay sockets (1) contain additional plug connections (13) by means of which the relays (2) are controlled by the system cabling. Said system cabling contains a distribution section (53) consisting of cable sections (52) and plug connectors (33) and allows the plurality of relays (2) to be controlled.

Electrical device has a housing having a terminal provided with an insertion opening configured for receiving a conductor end. The insertion opening communicates with an assembly chamber formed in the terminal. A clamp is arranged in the assembly chamber. The clamp has a leaf spring (15) divided into two parallel spring contacts (21, 22) by a parting slot. Each spring contacts is deflectable in a direction of insertion of the conductor end and having a free end (24, 25) positioned adjacent to a contact pressure plate so that a clamping slot is formed there between that force-fittingly receives the conductor end. The electrical device is a relay socket. An independent claim is included for a method of manufacture.

The utility model relates to a fixing manner of an elastic piece and an inserting piece of a relay. The elastic piece is a stripy sheet, one end of the elastic piece is provided with a positioning hole and a joint, and the other end of the elastic piece is provided with at least one small hole and is fixed with the inserting piece; and the inserting piece is thicker than the elastic piece, one end of the inserting piece is a plug provided with a positioning hole, and the other end of the inserting piece is provided with a convex or concave flange corresponding to the small hole of the elasticpiece. The elastic piece and the inserting piece are molded by continuous punching and are fixedly connected, and specifically, are respectively formed by different metal plates through a progressivedie and are fixedly connected into a whole. By utilizing the fixing manner, the purpose that the elastic piece and inserting piece needed by the relay are produced simultaneously in one mold is realized by adopting the progressive die with reasonable design, and by arranging the small hole on the elastic piece and arranging the flange on the inserting piece, the elastic piece and the inserting piece are connected and then riveted together by extruding the flange. The fixing manner has the characteristics that the mechanical automation level is high, the rate of finished products is high, the mold cost is saved, the occupation of human resources is reduced and the production cost is reduced.

Removable bridge type safety electrical contactor, wherein each contact element is supported by its corresponding contact spring including a reed made of elastic spring material, wherein the first end (7a) and the opposite The end portions (7b) are separated by an intermediate portion (1) which is folded to present substantially straight segments alternating with and connected by arcuate segments (7d) (7c) defines a side-to-side alternating undulating profile, thereby enabling the first end (7a) to elastically and move reversibly.

An electronic component includes a component main body having a rectangular parallelepiped shape and a plurality of lead terminals, and each lead terminal is disposed to droop along a side surface of the component main body facing the lead terminal. The plurality of lead terminals having different rigidities are arranged in a width direction of at least one side surface of the component main body, and the lead terminal having a highest rigidity among the plurality of lead terminals is disposed to protrude more in a direction in which it gets apart from the corresponding side surface of the component main body than the other lead terminals. Accordingly, it is possible to prevent deformation of the lead terminal.

A branching unit (1) for an optical telecommunication link (100), the unit comprising a first (2), a second (3) and a third terminal (4) for termination of conductors of respective branch cables in use, a fourth terminal (5) for connection to a sea earth (6) in use, and a circuit (8) comprising a plurality of relays comprising at least a first, a second and a third relay associated to respectively the first, second and third terminal, the circuit being structured for connecting together two terminals out of the first, second and third terminal and for connecting the remaining terminal to the fourth terminal, depending on a sequence of power feeding at the first, second and third terminals, in use, wherein the circuit (8) comprises a sea earth circuit (9) terminated at one end to the fourth terminal and a bidirectional triode thyristor (13) placed along the sea earth circuit, a driving circuit (19) being provided for driving the bidirectional triode thyristor so as to trigger the bidirectional triode thyristor in a conduction state only upon complete switch-over of one relay of the group consisting in the first, second and third relay.

An electromagnetic relay including a body, a plurality of first surface-mount terminals projecting from the body, and at least one second terminal projecting from the body. Each first terminal includes a distal end portion adapted to be mounted on a surface of a circuit board. The second terminal includes a distal end portion adapted to be inserted into a through-hole of a circuit board. The distal end portion of the second terminal is positioned farther away from the body than the distal end portion of the first terminal.

A branching unit for use in submarine systems that includes a ground termination; first, second, and third cable terminations each coupled to a power feed line of a respective submarine cable; a re-configuration relay in series between the first cable termination and the ground termination, the re-configuration relay being unidirectional and having at least one contact positioned in series between the second and third terminations, the at least one contact being closed when the re-configuration relay is de-energized; and a bypass relay in series between the second and third cable terminations, the bypass relay having a contact positioned in parallel with the reconfiguration relay and being open when the bypass relay is de-energized.

The invention discloses a relay improvement structure which is installed in a mounting hole formed on a circuit board in advance, and a plurality of terminal holes are arranged at the periphery of the mounting hole. The relay improvement structure comprises a body and a plurality of terminals, wherein the body is provided with at least one pair of positioning blocks, and the positioning blocks are respectively arranged at the opposite side surfaces of the body, thus when the body is placed in the mounting hole, the circuit board is clamped, and one part of the body is positioned on one surface of the circuit board, and one part of the body is positioned at the other side of the circuit board; and the plurality of terminals are arranged on another opposite side surfaces of the body rather than the opposite side surfaces of the positioning blocks, and after the body is clamped on the circuit board, the terminals are inserted into the terminal holes. So after the relay improvement structure is arranged on the circuit board in an electronic device, the whole volume fraction and stability are improved greatly, and further the relay improvement structure is easily implemented in thin electronic products.

A contact mechanism of an electromagnetic relay comprises a contact assembly, a movable contact assembly and a driving unit. The contact assembly comprises a bottom plate, an upper case disposed on the bottom plate, and two stationary contact heads disposed on and penetrating the upper case. The movable contact assembly comprises a central axis passing through the contact assembly, a movable contact plate disposed on the top portion of the central axis and configured to contact with or separate from the two stationary contact heads, and a cover element covering the central portion of the central axis. The driving unit is disposed around the lower portion of the central axis and configured to drive the central axis to move back and forth along the axial direction for allowing the movable contact plate to contact with or separate from the two stationary contact heads.

The invention discloses a pin-out structure of a relay convenient for the installation of a complete machine, which comprises a plurality of pin-out bodies of the relay and a plurality of cable assemblies with connectors, wherein one ends of the connectors of the cable assemblies are of flat type structures; and the cable assembles are fixedly welded with the corresponding pin-out bodies through the flat type structures. Or, the pin-out structure further comprises an insulating sheath, the insulating sheath is internally provided with a plurality of jacks which are respectively matched with the pin-out bodies of the relay, the whole insulating sheath is inserted on the relay, and the plurality of jacks of the insulating sheath are respectively matched with the corresponding the pin-out bodies of the relay. According to the pin-out structure, the defect of short circuit due to the easy collision of the all pin-outs in the prior art is eliminated by utilizing the fixation of the flat type structures of the connectors and the pin-out bodies of the relay in a point welding manner; and the disadvantage in the prior art that the sealing property of the relay is reduced caused by the fact that the pin-outs are easily bent during wiring is prevented by utilizing the insulating sheath.

The invention discloses a relay which can realize firmer coupling between a connector and a relay terminal and prevent damp from intruding into the terminal. The relay comprises a crust containing a relay unit which can trigger a switch to work according to an electric signal, and the relay also comprises one or a plurality of terminals which are provided at one side of the crust and are connected with the connector and a waterproof cover which is arranged as surrounding each terminal. By such a structure, the coupling between the connector and the relay can be firm and continuously kept stable under the influence of the vibration caused by the working process of various kinds of mechanical equipments or an electronic product comprising the relay or the outside impact. Therefore, the present invention can ensure that the relay works stably and continuously and prevent the electric accident caused by the power leakage of the relay.

A contactless contactor with an auxiliary contact belongs to the field of electrical components. The contactless contactor comprises a housing, a heat radiator, a main circuit board, a main terminal and a control signal terminal. The contactless contactor is characterized in that the housing comprises a main circuit housing and an auxiliary circuit housing which is fixed in front of the main circuit housing; an auxiliary circuit board and an auxiliary terminal are fixed in the auxiliary circuit housing; the main circuit board is provided with a control signal input module and a main circuit module; the control signal input module is connected with the control signal input end of the main circuit module; the auxiliary circuit board is provided with an auxiliary contact module; the driving signal of the auxiliary contact module is from the output end of two random main electronic contacts of the main circuit module, and the auxiliary contact module becomes a real auxiliary contact. The contactless contactor with the auxiliary contact has functions of settling a problem that the auxiliary contact for matching is necessary at an electrical interlock occasion with the contactless contactor, preventing auxiliary contact false triggering which may be caused in a prior-art product in which the auxiliary contact is triggered by a control signal, and ensuring high safety in use.

Embodiments of the disclosure provide an encapsulated compressor overload, an encapsulated compressor relay start, an encapsulated head pressure control switch and a wiring diagram for a circuit for air conditioning units which prevent gases from being ignited by means of encapsulating sparking components, use of solid-state switching devices, and / or wiring circuits in such a way that open contacts do not contain enough energy to produce a spark capable of igniting the atmosphere.

The invention discloses a relay improvement structure which is installed in a mounting hole formed on a circuit board in advance, and a plurality of terminal holes are arranged at the periphery of the mounting hole. The relay improvement structure comprises a body and a plurality of terminals, wherein the body is provided with at least one pair of positioning blocks, and the positioning blocks are respectively arranged at the opposite side surfaces of the body, thus when the body is placed in the mounting hole, the circuit board is clamped, and one part of the body is positioned on one surface of the circuit board, and one part of the body is positioned at the other side of the circuit board; and the plurality of terminals are arranged on another opposite side surfaces of the body rather than the opposite side surfaces of the positioning blocks, and after the body is clamped on the circuit board, the terminals are inserted into the terminal holes. So after the relay improvement structure is arranged on the circuit board in an electronic device, the whole volume fraction and stability are improved greatly, and further the relay improvement structure is easily implemented in thin electronic products.

The invention belongs to the technical field of relays, specifically an overcurrent protection relay, including a base, a movable slot, a protective shell, a side door, a bottom plate, a first connecting rod, a second connecting rod, a connecting shaft, a fixed cylinder, a slider, The first spring, the connecting rod, the second spring, the connecting block, the fixing block, the fixing plate, the heat dissipation hole, the anti-dust net, the side cover, the ventilation groove, the refrigeration pipe, the semiconductor refrigeration sheet, the heat dissipation cavity, the fan, the mounting frame, and the relay body , micro motor, gear, first rack plate, mounting plate, second rack plate, side plate, movable plate, fixed rod, wire slot, through slot, pull rod, limit slot, third spring, fixed column, Card board, line board and card slot. The blower of the present invention drives the air to enter the ventilation slot from the air intake hole at one end of the side cover, and cools the air through the refrigeration pipe and the semiconductor cooling sheet in the ventilation slot to the inside of the protective case, thereby cooling the relay body when it is working. , improve the service life of the relay.

The invention provides an electric safety contact (1) with a removable actuation key (18), which comprises a movable hook (11) for engaging the actuation key (18) when inserted into the body (2) of the electrical contact (1), wherein the front end (14) of said movable hook (11) is inclined in a manner to determine a lifting of the movable hook itself if during an initial phase of insertion of theactuation key (18) into the body (2) of the electrical contact (1), this movable hook (11) is in a position not completely lifted in which it interferes with the removable key (18) during its insertion into the body (2).

The invention discloses a potato machine control relay, which comprises a frame, a coil, an iron core, an armature, static contact plates and a contact pin, the iron core is fixed at the bottom in the frame, the coil is wound on the iron core, sliding rods are installed at the positions, on the two sides of the iron core, of the bottom in the frame, a sliding plate is arranged on the sliding rods in a sliding connection mode, and the sliding rods are sleeved with first springs, and the center of the sliding plate is provided with the armature. According to the invention, the iron core in the frame enables the armature to descend under the condition that the coil is electrified, so that a connecting plate is driven to slide in a sliding groove and a rack is driven to push a gear to rotate, and the second contact of a supporting rod in a second limiting groove is separated from and attached to the first contacts on the two sides under the rotation of a rotating column, the top parts of static contact plates on the two sides are provided with an insulating fixing plate, the bottom parts of the static contact plates are provided with stabilizing columns, the static contact plates penetrate through the stabilizing columns, and the two sides of the fixing plate are fixedly provided with second springs, thereby preventing the pressure drop of the relay contact caused by vibration, and enabling the contact to be more stable in contact.