BIPOLAR MAGNETIC LATCHING RELAY

摘要

The bipolar magnetic latching relay comprises a coil assembly, a magnetic steel assembly that contains a permanent magnet and armatures, as well as two contact devices that are mounted at both sides of a base, wherein the magnetic steel assembly is pivotally connected with the base through a revolving pair, the magnetic steel assembly swings between two positions under the driving of an electric signal of the coil assembly and is retained in one swing position due to the permanent magnetic force of the magnetic steel assembly, and the swing synchronously drives the two contact devices to deflect, such that two pairs of first movable contacts and static contacts are subjected to closing/disconnecting fit. The magnetic steel assembly is provided with two driving heads that synchronously rotate along with the magnetic steel assembly and extend to the outside from the same direction. The relay further comprises two guide transmission parts that connect the two contact devices and the magnetic steel assembly, wherein a guide mechanism by which each guide transmission part moves along the swing direction of the free end of the movable flat spring is provided between the guide transmission part and the base, a driven end of the guide transmission part is connected with a driving head through a driving connection structure, and a driving end of the guide transmission part is coupled to the free end of the movable flat spring through an elastic transmission structure, such that the two guide transmission parts are the same in movement direction and simultaneously act.

主权项

1. The bipolar magnetic latching relay, comprising a coil assembly mounted inside a cavity formed by engaging a shell cover and a base, a magnetic steel assembly that contains a permanent magnet and armatures, as well as a first contact device and a second contact device that are mounted at both sides of the base, wherein the magnetic steel assembly is pivotally connected with the base through a revolving pair, the magnetic steel assembly swings between two positions under the driving of an electric signal of the coil assembly and is retained in one swing position due to the permanent magnetic force of the magnetic steel assembly, and the swing synchronously drives the first contact device and the second contact device to deflect, such that a first movable contact on a free end of a first movable flat spring of the first contact device and a first static contact flat spring are subjected to closed/disconnecting fit, and meanwhile a second movable contact of a free end of a second movable flat spring of the second contact device and a second static contact are subjected to closed/disconnecting fit, wherein:
the magnetic steel assembly is provided with a first driving head and a second driving head that rotate synchronously with the magnetic steel assembly, and both the first driving head and the second driving head extend to the outside from the same direction C of the magnetic steel assembly; the bipolar magnetic latching relay further comprises a first guide transmission part and a second guide transmission part that connect two contact devices and the magnetic steel assembly, a first guide mechanism by which the first guide transmission part moves along a swing direction of the free end of the first movable flat spring is provided between the first guide transmission part and the base, a driven end of the first guide transmission part is connected with the first driving head of the magnetic steel assembly through a first driving connection structure, a driving end of the first guide transmission part is coupled to the free end of the first movable flat spring of the first contact device through a first elastic transmission structure, and a second guide mechanism by which the second guide transmission part moves along a swing direction of the free end of the second movable flat spring is provided between the second guide transmission part and the base, the second driven end of the second guide transmission part is connected to the second driving end of the magnetic steel assembly through a second driving connection structure, and a driving end of the second guide transmission part is coupled to the free end of the second movable flat spring of the second contact device through a second elastic transmission structure, such that the first guide transmission part and the second guide transmission part are the same in movement direction and simultaneously act.