LED driving power supply and LED straight lamp

• Main Authors: ZHAO YIJIAO, GAN CAIYING, ZHOU JIAMING, PU JIZHONG
• Format: Patent
• Language: Chinese; English
• Published: 27.12.2022
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS

The utility model relates to an LED driving power supply, which comprises a circuit board and a plurality of electronic components arranged on the circuit board, the circuit board comprises a substrate layer, a circuit layer and a solder mask layer, the circuit layer is provided with a heat dissipation area, at least one electronic component is welded with the heat dissipation area, and the circuit board is provided with a plurality of heat dissipation pieces welded with the heat dissipation area. The electronic component is welded to the heat dissipation area to achieve extension of the temperature conduction path, and the heat dissipation part is welded to the heat dissipation area so that the heat dissipation area can be further increased. In the machining process, the heat dissipation piece and the electronic component can be welded to the circuit board in a machine welding mode, the convenience is improved, meanwhile, the heat dissipation effect is guaranteed, and the production cost is reduced. 本申请涉及一种L