H01H50/443

HIGH VOLTAGE RELAY RESISTANT TO INSTANTANEOUS HIGH-CURRENT IMPACT

A high voltage relay resistant to instantaneous high-current impact is disclosed, and includes an electromagnet system, a control system, a contact system, and a base support. In the present solution, an electromagnetic force generated by the contact system is used to resolve a problem of contact separation caused by an electric repulsion force generated by an instantaneous high-current.

HIGH-INSULATION SMALL-SIZED HINGED ELECTROMAGNETIC RELAY

A high-insulation small-sized hinged electromagnetic relay, includes a bobbin, coil terminals, an iron core and a fixed contact block. The bobbin has a cylindrical portion for winding a coil, and the iron core includes a mandrel and a magnetic pole portion arranged on the upper end of the mandrel; the mandrel of the iron core is fitted into the central hole of the cylindrical portion of the bobbin, the coil terminals is assembled on the lower flange of the bobbin and positioned on one side in the width direction of the bobbin, and the fixed contact block is interposed in the upper flange and the lower flange of the bobbin and positioned on the other side in the width direction of the bobbin; the cylindrical portion is offset.

Electromagnetic relay
10720294 · 2020-07-21 · ·

An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal secured to the housing; a movable contact accommodated in a chamber in the housing; a movable shaft with one end connected to the movable contact, and a solenoid configured to drive the movable shaft in a contact movement direction. The contact terminals including contact arrangement portions to which a first fixed contact point and a second fixed contact point are secured; and external terminals arranged outside the housing; and intermediate portions connecting the contact arrangement portions and the external terminals and held by the housing; the housing includes a pair of supports each supporting the first fixed contact point and the second fixed contact point.

Electromagnetic relay
10714289 · 2020-07-14 · ·

An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal; a movable contact, a movable shaft with one end connected to the movable contact, and a coil spring placed between the movable contact and an insulating wall in a chamber in the housing. The coil spring configured to bias movable contact points toward the opposing fixed contact points. The movable contact includes a contact body which includes a connection hole configured to receive the movable shaft and allow the movable shaft to travel relatively in the contact movement direction. The movable shaft includes a second holder that together with the first holder retains the coil spring.

ELECTROMAGNETIC RELAY

The invention relates to an electromagnetic relay (1), more particularly a safety relay (1). This has a main body (10) and a coil system (20, 120) located thereon, the coil system (20, 120) having a coil (24, 124) and a yoke (25, 125) which extends through the coil (24, 124) along a winding axis (WA) of the coil (24, 124). An armature (30, 130) for the relay (1) is located next to the coil (24, 124) and mounted such that it can pivot about an armature bearing axis (AA, AA) and has pole shoes (33a, 33b, 33c, 33d, 133a, 133b) for magnetically coupling with the yoke (25, 125) of the coil system (20, 120). The relay (1) also comprises a contact system (50) having at least two contact springs (51, 53), wherein each spring movement plane (FB) of the contact springs (51, 53) extends across the winding axis (WA) of the coil (24, 124), preferably at a substantially right angle. At least two actuators (36, 37, 41, 42) are located on the armature (30, 130), which actuators (36, 37, 41,42) are allocated to the contact springs (51, 53) in order to actuate same and which actuators (36, 37, 41, 42) extend radially outwards on the armature (30, 130) with respect to the armature bearing axis (AA, AA) in a longitudinal direction (AL) of the armature (30, 130), wherein the radially outermost ends of the two actuators (36, 37, 41, 42) are farther away from the armature bearing axis (AA, AA) than the pole shoes (33a, 33b, 33c, 33d, 133a, 133b) of the armature (30,130).

MULTI-VOLTAGE CONTACTORS AND CONTROLS AND RELATED METHODS

Exemplary embodiments are disclosed that include multi-voltage contactors, controls, and related methods.

CONTACTOR
20200168418 · 2020-05-28 ·

The present utility model provides a contactor, comprising: a housing, including a first side plate and a second side plate disposed opposite to each other; a static iron core and a movable iron core located inside the housing, a coil bobbin fitted on the static iron core, a coil wound on the coil bobbin, an elastic device located between the coil bobbin and the movable iron core, and a moving contact and astatic contact disposed opposite to each other, wherein the coil bobbin includes a contact end surface facing the movable iron core and a first fixing part and a second fixing part fixed to edges of the contact end surface, length directions of the first fixing part and the second fixing part are parallel to the first side plate and the second side plate, the first fixing part is in contact with and connected to the first side plate, and the second fixing part is in contact with and connected to the second side plate. The contactor according to the present utility model has a narrower width and saves installation space.

Terminal connection structure and electromagnetic relay using same
10643811 · 2020-05-05 · ·

A terminal connection structure with a good material yield and high productivity, free of mounting failure. The terminal connection structure is provided with: a base including a terminal hole, a fixed contact terminal portion, a through hole passing through the fixed contact terminal portion along its shaft center and communicating with the terminal hole, and a conductive film formed in a continuous manner on an inner circumferential surface of the terminal hole, an inner circumferential surface of the through hole, and an exposed surface of the fixed contact terminal portion; and a touch piece press-fitted into the terminal hole and electrically connected to the fixed contact terminal portion via the conductive film.

Method for avoiding electric arc when connecting or dis-connecting object to relay
10643812 · 2020-05-05 ·

A method for avoiding generating electric arc when connecting an object to or disconnecting an object from a relay, wherein when connecting the relay to the object, the contact terminal of the relay first electrically contacts with the object, and then the coil terminal of the relay is electrically in contact with the object. When disconnecting the object from the relay, the coil terminal of the relay is first electrically disconnect from the object, and the contact terminal of the relay is then electrically disconnected from the object.

COIL CARRIER FOR AN ELECTROMAGNETIC SWITCH
20200075281 · 2020-03-05 ·

A coil carrier for an electromagnetic switch of a starting device including a cavity enclosed by a carrier wall for winding of a coil wire. The carrier wall may extend in an axial direction from a first end wall to a second end wall. The coil carrier may include at least one separating body protruding radially, and extending in a circumferential direction, on a side of the carrier wall facing away from the cavity. The at least one separating body may have a recess which separates a first separating body end of the at least one separating body from a second separating body end of the at least one separating body in the circumferential direction. The at least one separating body may have an axially extending body width that decreases along the circumferential direction.