US 12,498,109 B2Granted

Downlight and downlight assembly thereof

AssigneeShenzhen KOK Technology., Ltd

InventorsBinping Wang, Jinke Liu

Life of this patent

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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.

Claims17

Dependent claims

A downlight assembly comprising a downlight and a power supply electrically connected to the downlight, the downlight comprising a first wiring member and the power supply comprising a second wiring member electrically connected to the first wiring member;

and wherein the downlight assembly further comprises a protection member connected to the first wiring member, the protection member comprising a freeing member, a limiting member and a power-off member, the freeing member arranged on a top portion of the first wiring member, the limiting member installed inside the first wiring member, and the power-off member installed inside the limiting member and configured to connect and disconnect the first wiring member and the second wiring member;
and wherein the freeing member is 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, for protecting the power supply;
and wherein
the first wiring member comprises a wire and a sleeve connected to the wire and the second wiring member;
and wherein
the freeing member comprises a micro-transformer installed on the sleeve, and an electromagnet installed above the micro-transformer.

3 more elements

A downlight comprising a body, a connecting member and a diffusion cover, one end of the connecting member detachably connected to the body, the other end of the connecting member fixedly connected to the diffusion cover, the downlight electrically connected to a power supply, the body comprising a first wiring member and a protection member connected to the first wiring member, the power supply comprising a second wiring member electrically connected to the first wiring member, the protection member comprising a freeing member, a limiting member and a power-off member, the freeing member arranged on a top portion of the first wiring member, the limiting member installed inside the first wiring member, the power-off member installed inside the limiting member and configured to connect and disconnect the first wiring member and the second wiring member;

and wherein the freeing member is 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;
and wherein
the first wiring member comprises a wire and a sleeve connected to the wire and the second wiring member;
and wherein
the freeing member comprises a micro-transformer installed on the sleeve, and an electromagnet installed above the micro-transformer.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/655,151Filed 3 May 2024
Priority: CN 202410372350.428 Mar 2024
Published: US 2025/0305669 A12 Oct 2025
Granted: 16 Dec 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

F21V 23/06
Arrangement of electric circuit elements in or on lighting devices: the elements being coupling devices , e.g. connectors
F21S 8/026
Of recess-mounted type, e.g. downlighters: intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
F21V 23/001
Arrangement of electric circuit elements in or on lighting devices: the elements being electrical wires or cables
F21V 23/008
Enclosed in a casing: the casing being outside the housing of the lighting device