111results about "Relay terminal arrangements" patented technology

A relay includes a pair of static contact leading-out terminals; a movable contact assembly including a movable contact piece are configured to contact with or separate from the pair of static contact leading-out terminals along a first direction; the movable contact assembly has a first and a second side surfaces along a third direction; wherein a moving direction of the movable contact piece, the first direction, and the third direction are perpendicular with each other; a push rod assembly including a contact bracket; the contact bracket has a first side wall corresponding to the first side surface and a second side wall corresponding to the second side surface along the third direction; and an anti-rotation structure including a first anti-rotation piece located between the first side wall and the first side surface and a second anti-rotation piece located between the second side wall and the second side surface.

To prevent upsizing of an electromagnetic relay while reducing an impact on the operation of an auxiliary contact part by a main contact part.SOLUTION: An electromagnetic relay comprises a base, a first fixed terminal, a first fixed contact, a second fixed terminal, a second fixed contact, a main contact part, a coil part, an auxiliary contact part, and a second moving member. The main contact part includes a movable contact piece, a first movable contact, a second movable contact, and a first moving member. The movable contact piece extends in a lateral direction. Between a first closed position and a first open position, the first moving member is movable in a moving direction perpendicular to the lateral direction. The main contact part is supported by the base in a supporting direction perpendicular to the lateral direction and the moving direction. The coil part is supported by the base in the supporting direction. The auxiliary contact part includes an auxiliary fixed terminal, an auxiliary movable terminal, and an auxiliary movable contact. In the moving direction of the first moving member, the auxiliary contact part is disposed opposite to the main contact part with respect to the coil part. The second moving member moves in the moving direction in conjunction with the first moving member.SELECTED DRAWING: Figure 2

Relay (1), comprising a first contact part (2) comprising a first contact piece (21), a first terminal (22) connected to the first contact piece (21), and a first contact (23) attached to the first contact piece (21); a second contact part (3) comprising a second contact piece (31), a second terminal (32) connected to the second contact piece (31), and a second contact (33) attached to the second contact piece (31); a pressing member (5) which is movable between an on position, which is a position in which it presses the first contact piece (21) and brings the first contact (23) into contact with the second contact (33), and an off position, which is a position in which it is moved in a direction in which the first contact (23) and the second contact (33) are not in contact and also the first contact (23) and the second contact (33) are separated from each other; a drive part (4) which actuates the pressing element (5); and a restricting element (7) which restricts the movement of the first contact piece (21), wherein the pressing element (5) is designed to press the area of ​​the first contact piece (21) between the first terminal (22) and the first contact (23), wherein the first contact (23) is brought into contact with the second contact (33) by moving the pressing element (5) from the off position to the on position and pressing the first contact piece (21) in the direction towards the second contact piece (31) wherein the first contact (23) and the second contact (33) enter a non-contact state by the elastic force of the first contact piece (21), and the pressing element (5) is pushed back by the first contact piece (21) and moves from the on position to the off position when the pressing by the pressing element (5) has been completed, wherein the movement of the first contact piece (21) is restricted by the restricting element (7) before the pressing element (5) moves from the on position to the off position.

The invention relates to the technical field of solid-state relays, in particular to an anti-interference solid-state relay which comprises a solid-state relay body, heat dissipation holes are formed in the two ends of the middle of the end face of one side of the solid-state relay body, and heat dissipation cylinders are fixedly connected to the positions, located at the heat dissipation holes, of the inner wall of the solid-state relay body. A heat dissipation structure is arranged in the heat dissipation barrel, the heat dissipation structure is used for cooling the interior of the solid-state relay body, an expansion assembly is arranged in the middle of the inner bottom surface of the solid-state relay body, and the expansion assembly is used for triggering the heat dissipation structure to work. Connecting grooves are formed in the four corners of the upper end of the solid-state relay body, fixing bolts and conducting strips are arranged in the connecting grooves, and the connecting assembly comprises the fixing bolts and the conducting strips. Compared with the prior art, the problems that in the prior art, a heat dissipation structure triggering mode is not suitable for a strong magnetic environment, and an electric connection mode has potential safety hazards are solved.

An electromagnetic relay includes a base, a main contact unit having a movable contact piece and a first movable member, a coil unit, an auxiliary contact unit, and a second movable member. The movable contact piece extends in a lateral direction. The first movable member is movable in a movement direction perpendicular to the lateral direction between a first closed position and a first open position. The main contact unit is supported by the base in a support direction perpendicular to the lateral direction and the movement direction. The coil unit is supported by the base in the support direction. The auxiliary contact unit is disposed on the opposite side of the main contact unit with respect to the coil unit in the movement direction. The second movable member moves in the movement direction in conjunction with the first movable member.

The utility model relates to a fireproof relay cover assembly with a wire clamp, comprising a relay cover A made of an insulating material and a relay cover B made of a metal material, the relay cover B is sleeved outside the relay cover A, one side of the relay cover A is provided with a wire outlet, the same side of the relay cover B is provided with a wire outlet, and the outer side of the relay cover B is provided with a connecting terminal below the wire outlet. The connecting terminal is provided with a screw hole, the connecting terminal is used for installing a wire clamp, and the wire clamp is connected with the connecting terminal through a screw; according to the utility model, the two devices can be prevented from being on fire and spreading outwards, the wire harness can be fixed through the wire clamp, the wire harness is prevented from loosening, and the installation is more convenient.

To provide an electromagnetic relay unit that can be mounted on a substrate stably even in the terminal arrangement in which the posture of the electromagnetic relay unit on the substrate is unstable.SOLUTION: An electromagnetic relay unit includes a base, a first contact terminal, a second contact terminal, and a case. The first contact terminal protrudes downward from the base. The first contact terminal includes a first bent part. The first bent part is disposed on a first side of a center line of a bottom surface of the base at the bottom surface, and is bent along the bottom surface of the base. The second contact terminal protrudes downward from the base. The second contact terminal includes a second bent part. The second bent part is disposed on the first side of the center line at the bottom surface of the base, and is bent along the bottom surface of the base. The case is attached to the base. The case or the base includes a stand part. The stand part protrudes downward. The stand part is disposed on a second side, which is opposite to the first side about the center line of the base.SELECTED DRAWING: Figure 2

The utility model discloses a solid-state relay, comprising a solid-state relay body, a contact piece arranged on the solid-state relay body, a hexagonal screw threadedly connected to the contact piece, and a pressing piece sleeved on the outside of the hexagonal screw. A limit frame is detachably installed on the top of the solid-state relay body, a circular groove is provided inside the limit frame, a limit ring is installed inside the circular groove, an inner hexagonal groove is penetrated through the middle of the limit ring and matched with the hexagonal screw, and a plurality of anti-rotation blocks which are equidistantly distributed in annular shapes are fixedly connected to the outer side of the limit ring. The utility model can prevent the hexagonal screw from rotating due to vibration, resulting in loosening of the wire, and ensure that the wire is firmly connected, and can limit the limit ring by means of the provided protrusion and the stop block, so as to prevent the limit ring from being separated from the limit frame due to vibration, thereby improving its reliability.

The invention provides an electromagnetic relay which reduces the influence of a main contact part on the operation of an auxiliary contact part and suppresses the enlargement. The electromagnetic relay includes a base, a first fixed terminal, a first fixed contact, a second fixed terminal, a second fixed contact, a main contact portion supported by the base in a support direction perpendicular to a lateral direction and a moving direction, a coil portion supported by the base in the support direction, an auxiliary contact portion, and a second moving member. The main contact portion includes a movable contact piece extending in a lateral direction, a first movable contact, a second movable contact, and a first moving member. The first moving member is movable between a first closed position and a first open position in a moving direction perpendicular to the transverse direction. The auxiliary contact portion includes an auxiliary fixed terminal, an auxiliary movable terminal, and an auxiliary movable contact. The auxiliary contact portion is disposed on the opposite side of the main contact portion with respect to the coil portion in the moving direction of the first moving member. The second moving member moves in the moving direction in conjunction with the first moving member.

The utility model discloses a relay of a truck cab, which relates to the field of relays, and comprises a shell, a plurality of connecting wire harnesses, an injection molding part arranged in the shell and a relay element connected with the injection molding part, a corrugated pipe is arranged outside the connecting wire harnesses, a plurality of annular grooves are arranged on the outer wall surface of the corrugated pipe, and the annular grooves are arranged in the shell. The injection molding part is hollow, the upper surface of the injection molding part is provided with an insertion opening allowing the corrugated pipe and the connecting wire harness to be inserted, and the side wall of the insertion opening is provided with a plurality of positioning protruding strips matched with the annular grooves. The utility model has the advantages of simple structure and cost saving.

The utility model discloses a direct-current solid-state relay which comprises a mounting plate, a relay shell is arranged on the upper end face of the mounting plate, a protective cover plate is arranged at the upper end of the relay shell, and two friction rotating shafts are symmetrically arranged on the two sides of the outer wall of the protective cover plate. The upper end of the mounting plate is provided with dismounting assemblies located on two sides of the relay shell, each dismounting assembly comprises two positioning seats, a fixing plate and guide plates, the two positioning seats are internally provided with the guide plates, and the relay shell is internally provided with two mounting grooves; the number of the fixing plates is two, the two fixing plates are fixedly installed in the installation groove, the upper end face of the relay shell is provided with an insertion groove, the four corners of the bottom of the protective cover plate are fixedly provided with insertion rods, and one ends of the insertion rods are connected to the insertion groove. The direct-current solid-state relay can be quickly disassembled and assembled, the installation tightness is improved, the relay is effectively protected, and the service life of the relay is prolonged.

To provide a relay in which a movable contactor assembly can avoid rotating with respect to a push rod.SOLUTION: A push rod assembly pushes and moves a movable contactor assembly 3100 so that it contacts or separates a fixed contact pull-out end, an elastic assembly is connected to a push rod assembly via a first anti-rotation structure and to the movable contactor assembly via a second anti-rotation structure 400 used to provide contact pressure, and is used to restrict the movable contactor assembly from rotating about the axis of the push rod assembly relative to the push rod assembly.SELECTED DRAWING: Figure 6

The present invention provides a semiconductor relay module, which can ensure stable operating characteristics and is easy to design a circuit substrate. The first input circuit and the second input circuit are connected to the first input terminal and the second input terminal in a package. The third input circuit is connected to the first input terminal and the third input terminal, or to the second input terminal and the third input terminal in the package. The first output circuit is connected to the first output terminal and the first connecting wire in the package. The second output circuit is connected to the second output terminal and the first connecting wire in the package. The third output circuit is connected to the third output terminal and the first connecting wire in the package. The first monitoring terminal is connected to the first connecting wire in the package. A portion of the first monitoring terminal is configured to be exposed to the outside of the package.

An electromagnetic relay includes a fixed terminal, a fixed contact, a movable contact, a movable piece, a coil, a coil terminal, and solder. The fixed contact is connected with the fixed terminal. The movable contact and the fixed contact are arranged to face each other. The movable contact is connected with the movable piece. The movable plate is movable to a closed position and an open position. When the movable piece is in the closed position, the movable contact is in contact with the fixed contact. When the movable piece is in the open position, the movable contact is separated from the fixed contact. The coil generates an electromagnetic force that moves the movable piece between the open position and the closed position. The coil comprises an outgoing line. The coil terminal includes a strapping portion. The lead wire is wound around the binding portion. The strapping portion includes a concave shape. The solder is soldered to the strapping portion in the concave shape, thereby fixing the lead wire to the strapping portion.

The invention relates to a housing for at least one at least 6-pole motor-vehicle relay having at least six electrical connections in the form of flat plugs, having a cover that provides a volume space, open on one side, for receiving the motor-vehicle relay, and at least one base that closes the volume space in a fluid-tight manner in the closed state, wherein the base, in a manner corresponding to the number of electrical connections of the motor-vehicle relay, has at least six electrical contacts for the electrical connection of the motor-vehicle relay, wherein each electrical contact is arranged in a separate contact chamber that is open towards the volume space, wherein each contact chamber is adjoined by a respective sealing space that is accessible from outside the housing, wherein a sealing element having a central channel for guiding electric powers is arranged in each sealing space.

To provide a safety switching device capable of minimizing the number of external terminals and reducing the effort required for cable installation without compromising functionality.SOLUTION: A safety switching device comprises a housing (12) and a circuit configuration (14) arranged in the housing. The circuit configuration includes two switching elements (16) arranged in a safety circuit (18) via first, second, third, and fourth terminals (20; 201 to 204) arranged on the housing. A fifth terminal (20; 205) which can apply a first input signal and a sixth terminal (20; 206) which can apply a second input signal are also provided on the housing. These input signals correspond to the start signals of switching elements. As a result, when the first signal is applied to the fifth terminal and the second input signal is applied to the sixth terminal, the safety circuit is closed. The circuit configuration further includes an electrical component (28) which extracts energy for its own operation from the electrical signals applied to the first, third, fifth, and sixth terminals (201, 203, 205, 206).SELECTED DRAWING: Figure 1

A safety switching device for safety-related interruptions of a safety circuit has a housing and a circuit system arranged in the housing. The circuit system comprises two switching elements which can be arranged in the safety circuit via a first terminal, a second terminal, a third terminal and a fourth terminal located on the housing and which can close the safety circuit redundantly when an actuation signal is present at each switching element. And a fifth terminal and a sixth terminal provided on the housing, to which a first input signal and a second input signal corresponding to an actuation signal of the switching element can be applied, such that the safety circuit is closed when the first input signal and the second input signal are applied to the fifth terminal and the sixth terminal. The circuitry disposed in the housing includes a further electrical element configured to extract energy for its own operation from an electrical signal applied to at least one of the first terminal, the third terminal, the fifth terminal, and the sixth terminal.

The utility model discloses a relay mounting mechanism, and relates to the technical field of relays. The relay comprises a relay shell, wherein a wiring cavity is formed in the relay shell; the plurality of wiring assemblies are arranged at the two ends of the relay shell respectively, each wiring assembly comprises a wiring shell with an opening in one end, a conducting strip is arranged at the inner bottom of each wiring shell, a conducting rod with the end extending into the wiring cavity is connected to each conducting strip, and an adjusting column rotatably penetrates through the top of each wiring shell; an inserting groove is formed in the bottom end of the adjusting column, and an inserting rod is movably inserted into the inserting groove; the wire core of the wire is arranged on the conducting strip and clamped in the clamping groove of the clamping block, the wire core is spirally coiled by rotating the adjusting column, and then the elastic pressing of the elastic piece is matched, so that the wire core of the wire is effectively pressed and fixed on the conducting strip, and compared with the prior art that the wire core is fixed by abutting against a screw, the screw is easy to slip and loosen, and the wire core cannot be damaged. The whole device is more stable and effective.

The present application provides a high-capacity relay with a tab terminal, which can achieve miniaturization, reliability improvement or improvement of solderability. In one embodiment, it comprises: (1) a contact opening and closing unit comprising at least one movable contact and at least one fixed contact; (2) an opening and closing drive unit that brings the movable contact into contact with or away from the corresponding fixed contact; (3) at least two pairs of input and output tab terminals electrically connected to at least one pair of input and output terminals of the contact opening and closing unit; and (4) a pair of control tab terminals electrically connected to the control terminals of the opening and closing drive unit, (5) two input and output tab terminals electrically connected to the respective input and output terminals, which are arranged in close proximity to each other in the thickness direction, (6) the thickness and width of the input and output tab terminals and the control tab terminals are the same or at the same level.

The utility model relates to the technical field of relays, in particular to a relay pin structure beneficial to heat dissipation, which comprises a base, a static reed arranged on the base, and a pin A and a static contact arranged on the static reed, the pin A comprises a first bending part, a second bending part, a first straight plate part and a second straight plate part, the second bending part and the first bending part are arranged at an interval, the first straight plate part and the first bending part are integrally formed, the second straight plate part and the second bending part are integrally formed, and the first straight plate part is formed by protruding one side of the pin A through the first bending part; the second straight plate part is formed by protruding from the other side of the pin A through the second bent part, and the first straight plate part and the second straight plate part both protrude out of the base. The heat dissipation device is compact in structure and ingenious in design, achieves efficient heat dissipation of the relay, is high in heat dissipation performance, and prolongs the service life of the relay.

Provided is a grid-connected distribution box (1) including a case (10) having an internal space, a grid module (100) disposed in the internal space and having a main input terminal (110) into which main power is input and at least one output terminal (130, 150) connected to at least one load (Load1, Load2), a relay module (200) arranged at one side of the grid module (100), and a control module (300) disposed in the internal space and having a sub-input terminal (330, 350) to which at least one sub-power source (E1, E2) is input, and configured to provide the at least one sub-power source (E1, E2) to the relay module (200).

The application relates to a wiring power-off integrated relay and a cable connection and protection method, which comprises a trapezoidal cylinder body, a plurality of piston rods uniformly arranged around the outer periphery of the trapezoidal cylinder body; an easy sublimation substance is arranged in the cylinder body; a long strip arc surface-shaped conductive bridge is fixed to the outer end of the piston rod; the outer end of the conductive bridge is covered with a long strip arc surface-shaped insulating baffle; electric connectors for connecting external wires are arranged on the two end faces of the trapezoidal cylinder body respectively; the piston rod drives the conductive bridge to simultaneously electrically contact or disconnect with the two electric connectors; in the initial state, the insulating baffles are circumferentially enclosed and start to cover the wires with wire insulation skins; the wiring power-off integrated relay and the cable connection and protection method can realize wire connection and relay circuit protection in one, realize integration of the whole with the wires, are small in size, and do not need to be installed in an electric box or a switch cabinet.

The utility model belongs to the technical field of relays, and discloses a relay socket which comprises a shell, a conductive plate, an elastic piece and a push rod. A wiring cavity communicated with the outside is arranged in the shell, and an external wire can extend into the wiring cavity; one end of the conductive plate is installed in the wiring cavity and used for being electrically connected with an external wire, and the other end of the conductive plate is used for being connected with a control circuit or a load circuit of the relay socket. One end of the elastic piece is fixed in the wiring cavity, and the other end of the elastic piece is provided with a first position for an external wire to be inserted between the elastic piece and the conductive plate and a second position for pressing the external wire against the conductive plate; one end of the push rod is rotatably installed in the wiring cavity, the portion, arranged in the wiring cavity, of the push rod is connected with the elastic piece, and the other end of the push rod is arranged outside the wiring cavity and can drive the other end of the elastic piece to move from the second position to the first position under driving of external force. According to the relay socket, rapid wiring can be realized without a tool, and the wiring efficiency is relatively high.

An electrical device for allowing or not allowing a current source to supply a load (524) according to commands received via a radio frequency network whose participants are identified by an address of their own, comprising a terminal block (602) configured to be connected by cables (604) to a current measuring device (603) external to said device; said terminal block (602) being connected to a logic unit which is configured to determine a current intensity from the signal present at said terminal block (602);whereby, when an activation point of said load (524) is a control terminal (122) of a power contactor (100) with said current measuring device (603) which is disposed on a cable (131, 132) connecting said load (524) to a starting terminal (119, 121) of said power contactor (100), the current intensity communicated externally by said device (500A) via its radio frequency communication device is the current intensity consumed by said load (524).

The utility model relates to the technical field of relays, in particular to a relay protection structure, which comprises a relay body, a folding support is arranged at the bottom of the relay body, a plurality of groups of buffer rubber mats are connected between the top of the folding support and the bottom of the relay body, and a vertical plate is fixed on the front side of the relay body. The front side of the vertical plate is provided with a supporting batten, the top of the supporting batten is fixedly provided with a lower closing seat, the original mode that the wiring terminal is directly connected with the contact is changed, and the risk that the wiring terminal is loosened and falls off when the relay is impacted or collided due to the fact that the relay does not have bearing force and protection force is avoided.

To improve quality of soldering to a tangling part of a leading wire of a coil while maintaining strength of the tangling part of a coil terminal.SOLUTION: An electromagnetic relay comprises: a fixing terminal; a fixing contact point; a movable contact point; a movable piece; a coil; a coil terminal; and a solder. The fixing contact point is connected to the fixing terminal. The movable contact point is arranged while being opposite to the fixing contact point. The movable contact point is connected to the movable piece. The movable piece can be moved to a close position and an open position. When the movable piece is in the close position, the movable contact point is contacted to the fixing contact point. When the movable piece is in the open position, the movable contact point is separated from the fixing contact point. The coil generates electromagnetic force that makes the movable piece move between the open position and the close position. The coil contains a leading wire. The coil terminal contains a tangling part. In the tangling part, the leading wire is wound. The tangling part contains a concave shape. The solder fixes the leading wire to the tangling part by being attached to the tangling part in the concave shape.SELECTED DRAWING: Figure 10

To reduce the number of parts.SOLUTION: In an electromagnetic relay, an armature 25 faces the lower surface 235 of a core 23, and moves toward or away from the core 23 in response to the excitation of the coil 21. A movable spring 33 includes a movable portion 34 that is located below the armature 25, is fixed to the armature 25, and has a movable contact at a first end. A yoke 24 includes a fixed portion 241, a terminal portion 244, and a first support portion 245. The fixed portion 241 is located above the upper flange portion 222 of the coil bobbin 22, and is fixed to the upper end portion 234 of the core 23. The terminal portion 244 extends downward from the fixed portion 241 and is connected to the outside. The first support portion 245 extends downward from the fixed portion 241. A lower end 247 of the first support portion 245 contacts the armature 25.SELECTED DRAWING: Figure 2

The utility model relates to the field of relays, and particularly discloses a plug-in type wire holder which comprises a base and a wiring unit and a connecting unit which are installed in the base, the wiring unit comprises a wiring piece used for being connected with a wire, an elastic piece used for clamping the wire and a separation key used for pressing the elastic piece, and the end, close to the wiring piece, of the elastic piece is a movable end. The other end of the separating button is a fixed end, and the separating button abuts against the movable end; the connecting unit comprises a connecting terminal for inserting the relay and a connecting sheet connected with the connecting terminal; the base is provided with a mounting cavity for mounting the wiring unit and the connecting unit, the mounting cavity comprises a cavity for swinging of the movable end, a fixing groove for insertion of the fixed end, a connecting groove for insertion of the connecting sheet, an insertion port for insertion of a wire and a pressing port for exposure of the separation key, and the fixing groove, the connecting groove, the insertion port and the pressing port are all communicated with the cavity. According to the plug-in type wire holder, the wire can be quickly assembled and disassembled, and the wiring efficiency is high.