| 摘要 |
An LED bulb with high power includes a joint (1), a circuit board (2), an LED light source (3) and a bulb cover (4). The LED light source (3) is provided in the bulb cover (4), the joint (1) is electrically connected with the circuit board (2) and the circuit board (2) is connected with the LED light source (3). The bulb also includes a connecting sleeve (5), the upper part of the connecting sleeve (5) is connected with the joint (1), and the lower part of the connecting sleeve (5) is connected with the bulb cover (4), the circuit board (2) is provided at the middle of the connecting sleeve (5), an LED substrate (6) is mounted at the bottom surface of the connecting sleeve (5), the LED light source (3) is mounted at the bottom surface of the LED substrate (6), a refrigerating box (7) for realizing heat dissipation by a chemical refrigerant is mounted at the top surface of the LED substrate (6), and the upper part of the refrigerating box (7) is connected with the circuit board (2). The bulb has the advantages of simplified structure, simple manufacturing process, lower cost and excellent heat dissipation performance. |
