Magnetic shielding structure for relay contact and relay
AssigneeXiamen Hongfa Electric Power Controls Co., Ltd.
InventorsWenguang DAI, Fengzhu XIE, Liji SU, Songsheng CHEN, Meng WANG
Life of this patent
Estimating the term…
Loading patent…
AssigneeXiamen Hongfa Electric Power Controls Co., Ltd.
InventorsWenguang DAI, Fengzhu XIE, Liji SU, Songsheng CHEN, Meng WANG
Estimating the term…
A magnetic shielding structure for a relay contact and a relay are provided, the magnetic shielding structure includes a contact assembly, which includes a movable contact piece and a pair of stationary contact lead-out terminals, which can contact with or separate from each other; an anti-short circuit assembly, which is at least disposed at a side of the movable contact piece along a third direction, and can generate suction force when a faulty high current in the movable contact piece for resisting an electrodynamic repulsion force between the movable contact piece and the stationary contact lead-out terminals; a permanent magnet, which is disposed around the contact assembly to achieve arc extinguishing; a first magnetic shielding member, which is sleeved on the outside of a stationary contact lead-out terminal and blocks the magnetic field transmitted from the permanent magnet to the anti-short circuit assembly.
A magnetic shielding structure for a relay contact, comprising:
A relay, comprising a magnetic shielding structure for a relay contact, and the magnetic shielding structure comprising:
Dependencies are inferred from the claim text.