Abstract: The present disclosure relates to the field of lighting technologies and provides a ceiling lamp including a fixing plate including two arc-shaped openings that are a first arc-shaped opening and a second arc-shaped opening with a width smaller than that of the first arc-shaped opening, a body rotatably mounted on the fixing plate, a control board and a lighting member, two suspension members installed on the body and including a first portion and a second portion suspended on the fixing plate. A diameter of the first portion is adapted to a width of the second arc-shaped opening, a diameter of the second portion greater than the width of the second arc-shaped opening and less than the width of the first arc-shaped opening, a plurality of bulges arranged at intervals on the body and corresponding to the arc-shaped opening, an elastic member installed on the fixing plate and abutting against the body.

Abstract: The present disclosure provides a downlight and a downlight assembly thereof, and the downlight assembly includes the downlight and a power supply electrically connected to the downlight, the downlight including a first wiring member, and the power supply including a second wiring member electrically connected to the first wiring member; the downlight assembly further includes a protection member connected to the first wiring member and including a freeing member arranged on a top portion of the first wiring member, a limiting member installed inside the first wiring member, and a power-off member installed inside the limiting member and configured to connect and disconnect the first and second wiring members, the freeing member configured to adsorb the limiting member when a voltage supplied by the power supply is too great, so as to quickly disconnect the first wiring member and the second wiring member through the power-off member.

Abstract: The present disclosure provides a downlight and a downlight assembly thereof, and the downlight assembly includes the downlight and a power supply electrically connected to the downlight, the downlight including a first wiring member, and the power supply including a second wiring member electrically connected to the first wiring member; the downlight assembly further includes a protection member connected to the first wiring member and including a freeing member arranged on a top portion of the first wiring member, a limiting member installed inside the first wiring member, and a power-off member installed inside the limiting member and configured to connect and disconnect the first and second wiring members, the freeing member configured to adsorb the limiting member when a voltage supplied by the power supply is too great, so as to quickly disconnect the first wiring member and the second wiring member through the power-off member.