66results about "Relay terminal arrangements" patented technology

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.

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 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.

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.

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.

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.

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.

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.

The present invention provides a voltage input connection structure for a relay and a relay, which relate to the technical field of electrical elements. The voltage input connection structure for a relay includes a connector assembly (2), a plurality of relay coil pins (1), and an incorrect insertion prevention member (3). The connector assembly (2) includes a connection member (21) having a plurality of signal insertion holes (2122), and the plurality of relay coil pins (1) are inserted into the plurality of signal insertion holes (2122). The incorrect insertion prevention member (3) is provided on the relay shell (100) and connected to the connection member (21). The incorrect insertion prevention member (3) is arranged to limit the position of the connection member (21) relative to the incorrect insertion prevention member (3) and is used to position the connection member (21). The incorrect insertion prevention member has a foolproof function, ensuring the correct arrangement order of the multiple relay coil pins and preventing reverse connection due to confusion, thereby improving the pass rate of finished relays.

The utility model discloses a thermal overload relay convenient to connect, which comprises a thermal overload relay body, a plurality of wiring terminals are arranged at two ends of the thermal overload relay body, and the wiring terminals are provided with conductive plates. A first fixing part and a second fixing part which are step-shaped are arranged at the upper part and the lower part of each current-conducting plate, fastening screws are arranged on the first fixing part and the second fixing part, a plurality of heat dissipation fins are arranged on the back surface of each current-conducting plate at equal intervals, a base is arranged at the bottom of each current-conducting plate, and a partition plate is arranged on each base and is arranged between the current-conducting plates. Through the step-shaped first fixing part and the step-shaped second fixing part, the positions of the copper noses fixed on the first fixing part and the second fixing part are in an up-and-down staggered relation, the two copper noses are prevented from interfering with each other, heat of the current-conducting plate is absorbed through the heat dissipation fins, temperature rise of the current-conducting plate is controlled, and heat dissipation efficiency is improved. The product has the advantages of interference prevention and temperature rise control.

To provide a contact structure that reduces the risk of lifting during a short circuit. [Solution] In the closed position, the contact bridge 6a is in contact with the proximal fixed contact portion and the distal fixed contact portion, electrically connecting the proximal fixed contact portion and the distal fixed contact portion to each other, and in the open position, it is separated from the proximal fixed contact portion and the distal fixed contact portion. The proximal fixed contact portion protrudes from the proximal base toward the distal base, and the distal fixed contact portion protrudes from the distal base toward the proximal base, and the contact bridge is positioned at a height 18a in the switching direction, at least in the closed position, between the height of the proximal base in the switching direction and the height of the proximal fixed contact portion in the switching direction, and between the height of the distal base in the switching direction and the height of the distal fixed contact portion in the switching direction.

The utility model discloses a relay which comprises a relay main body, a wiring groove is arranged on the relay main body, a wiring board is arranged in the wiring groove, a mounting hole communicated with the wiring groove is arranged on the relay main body, and a compression screw is in threaded connection in the mounting hole. The surface of the wiring board is provided with a circular limiting groove and a long-strip-shaped positioning groove, the limiting groove is communicated with the positioning groove, the wire can be clamped into the positioning groove, the end of the wire can be located in the limiting groove, the limiting groove is aligned with the compression screw, and the compression screw can enter the limiting groove and compress the wire at the groove bottom of the limiting groove. According to the utility model, the positioning of the lead can be realized, the risk of lead displacement is reduced, and the pressing and fixing effect of the fastening screw on the lead is ensured, so that the connection stability of the lead and the wiring board is improved, and the normal use of the relay is ensured.

To obtain a sufficiently large magnetic flux at a contact point while suppressing an increase in size or cost of an electromagnetic relay.SOLUTION: An electromagnetic relay includes a fixed terminal, a fixed contact, a movable contact, a movable piece, and a first magnet. The fixed terminal has a plate-like shape. The fixed contact is provided on the fixed terminal. The movable contact is arranged opposite the fixed contact. The movable piece is provided with the movable contact. The movable piece is movable between a closed position and an open position. When the movable piece is in the closed position, the movable contact comes into contact with the fixed contact. When the movable piece is in the open position, the movable contact is separated from the fixed contact. The first magnet is arranged to penetrate the fixed terminal in the plate thickness direction of the fixed terminal.SELECTED DRAWING: Figure 3

A solid state relay (SSR) module (100) may include a first solid state switch (206) configured to establish and break an electrical connection between an input terminal (208) and an output terminal (214). The module (100) includes an electronic controller (220) configured to turn the first solid state switch (206) on or off and a top cover (202) formed of an electrically insulative thermoplastic material. The power circuit board (204) is disposed within a cavity in the top cover (202). The top cover (210) defines openings (302) through which the input and output terminals extend (208, 214). The module (100) also includes a bottom cover (228) formed of a thermally conducive material in thermal communication with the first solid state switch (206), a compliant thermal interface paste (604) disposed between the bottom cover (228) and the first solid state switch (206), and a resilient thermal interface pad (608) attached to the bottom cover (228) by an adhesive layer (614) on the resilient thermal interface pad (608).

The utility model provides a relay and a high-voltage control box, and belongs to the relay technology field, the relay comprises a relay main body and a high-voltage connecting end, the high-voltage connecting end is arranged on a first end face of the relay main body, the high-voltage connecting end comprises a connecting plate, and the connecting plate is suitable for being connected in a high-voltage loop through welding. The connecting plate is arranged to replace a traditional bolt, the connecting plate and the high-voltage loop are connected in a welding mode, the welding connection strength is high, the stability is better, parts such as bolts and nuts are not needed in the connecting process, parts are saved, the size is reduced, the weight of the structure is reduced to a certain degree, and the cost is reduced to a certain degree. And the mounting efficiency is further improved through a welding mode.

A relay, includes a housing and multiple contact modules. An interior of the housing has an accommodation space, and each contact module includes a terminal assembly, a movable contact plate, and a drive assembly. The terminal assembly includes two terminals spaced apart and disposed on the housing. The terminal at least partially extends into the accommodation space to form a static contact. The movable contact plate is movably disposed in the accommodation space, and is configured to contact two static contacts to conduct the two terminals. The drive assembly includes a drive shaft and a drive unit that drives the drive shaft. The drive shaft is connected to the movable contact plate, and the drive unit is configured to drive the movable contact plate via the drive shaft. Multiple drive shafts corresponding to the multiple contact modules are disposed coaxially, and are relatively movable in their axial direction.

A battery distribution unit (100) for a battery module (102) has a housing (110) including a bottom (120) configured to mount to a battery housing (104) of the battery module and including a component cavity (114). A contactor (140) received in the component cavity has a contactor housing (150) having a top end (154) and a bottom end (156). Terminals (242) at the bottom end of the contactor are coupled to corresponding termination ends (170) of corresponding stationary contacts (160) and a heat exchanger cap (134) at the bottom end of the contactor. The heat exchanger cap is disposed in the component cavity at the bottom of the housing. The heat exchanger cap is in thermal communication with the stationary contacts of the contactor and is configured to be in thermal communication with the battery housing of the battery module to dissipate heat from the stationary contacts into the battery housing of the battery module.

The utility model discloses a flip cover connecting structure of a relay and a solid-state relay, the flip cover connecting structure comprises a housing and at least one flip cover, and the flip cover is rotatably connected to the housing and can be turned to open or close; an opening limiting structure is arranged between the turning cover and the shell in a matched mode, and the opening limiting structure enables the turning cover to be kept in an opening state after the turning cover is turned over and opened. According to the utility model, when the relay is installed on a vertical surface, the flip cover does not automatically fall back to a closed state due to gravity, thereby facilitating wiring operation of workers.

To improve heat dissipation in a fixed terminal and also reduce a thermal effect from the fixed terminal to a substrate, while preventing an increase in size of an electromagnetic relay.SOLUTION: An electromagnetic relay comprises a housing, a first fixed terminal, a movable contact piece, and a drive unit. The first fixed terminal includes a first main member and a first layer member. The first main member protrudes from the inside of the housing to the outside thereof. The first layer member is a component separate from the first main member. The first layer member is stacked on the first main member. The first layer member protrudes from the inside of the housing to the outside thereof. The first layer member has a shape branching from the first main member. The movable contact piece is disposed inside the housing and faces the first fixed terminal. The drive unit moves the movable contact piece in a contact direction and in a separating direction.SELECTED DRAWING: Figure 5

The utility model provides a protective cover, an anti-contact finger assembly, a relay, a charging device and a carrier, the protective cover comprises an upper cover and an upper installation part, the upper installation part is connected to one side of the upper cover and is used for being connected with a relay housing, and the protective cover also comprises a limiting structure surrounding the periphery of the upper installation part. The limiting structure is provided with a plurality of wire outlets distributed in the circumferential direction. According to the utility model, the charging wires connected with the relay are separated from each other by using the plurality of wire outlets of the protective cover, so that the mutual contact between the terminals of the charging wires is avoided, the accidental conduction of the charging wires is prevented, and the use safety of the carrier is ensured.

An electrical junction box (1) includes a pair of relays (20A, 20B), bus bars (40A, 40B), and a housing (10). Each of the pair of relays has a quadrilateral shape having one side surface (21) facing the slit (S) and an opposing side surface (22) opposing the one side surface when viewed from a housing direction in which the relays enter the housing. The busbars (40A, 40B) have a shape in which the entire busbars are located within a range (H1) sandwiched between a straight line (L1) obtained by virtually extending an opposing side surface (22) of one of the relays (20A) and a straight line (L2) obtained by virtually extending an opposing side surface (22) of the other of the relays (20B) when viewed from the housing direction.

The utility model belongs to the technical field of solid-state relays, in particular to a solid-state relay structure, which comprises a shell of a solid-state relay, an input circuit, an isolation (coupling) circuit and an output circuit are arranged in the shell, four corners of the shell are respectively and fixedly connected with a contact piece, the upper part of the contact piece is fixedly connected with a threaded connection column, and the threaded connection column is fixedly connected with the shell. The surface of the threaded connecting column is sleeved with a pressing piece. According to the utility model, the wire is placed between the pressing sheet and the contact sheet, the threaded connection column is wound to enhance the friction force, then the threaded cap and the threaded connection column are screwed in a rotating manner to press and fix the wire, and the clamping block is inserted into the corresponding clamping groove to prevent the wire from loosening caused by the reverse rotation of the threaded cap. Installation can be achieved with one hand, and operation is more convenient.

A novel electrical box to house one or more ISO micro relays, is adapted to support IP67 and IP69K Ingress Protection ratings. The housing of the electrical box is molded with blade sockets that correspond to blade positions of the ISO micro relay. The housing is also molded with terminal seats and cylindrical openings which vary, depending on the blade socket, enabling terminals of different sizes, orientations, and positions relative to the respective blades, to be easily inserted into the back of the housing. The resulting position of the terminals ensures that electrical connections to the ISO micro relay are made and ingress protection of components inside the electrical box is ensured.