Strong heat dissipation type LED lamp bead for street lamp

• Main Author: LYU AIMIN
• Format: Patent
• Language: Chinese; English
• Published: 27.12.2022
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS; LIGHTING; MECHANICAL ENGINEERING; NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; NON-PORTABLE LIGHTING DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

The utility model provides an LED lamp bead for a strong heat dissipation type street lamp, which comprises a base, a core plate is arranged on the base, a lamp bead is mounted on the core plate, a light-transmitting cover is mounted above the lamp bead, a plurality of heat conduction wires are fixedly arranged at the bottom of the core plate, the bottom ends of the heat conduction wires penetrate through the bottom of the base, and an air flowing cavity is arranged on the peripheral side of the base. Air flowing holes are formed in the inner side cavity wall and the bottom cavity wall of the air flowing cavity in a penetrating mode. The heat conduction wires are fixedly arranged at the bottom of the core plate, heat is dissipated in a heat conduction mode, the air flowing cavity is formed in the peripheral side of the base, the air flowing holes are formed in the inner side cavity wall and the bottom cavity wall of the air flowing cavity in a penetrating mode, convection of inside air and outside air can be