Light emitting diode (LED) bulb lamp

Abstract

The invention discloses a light emitting diode (LED) bulb lamp. The LED bulb lamp comprises a bulb type lens (1), an LED (3), a heat-conducting aluminum substrate (4), a radiating seat (6), a driving circuit board (8), a radiating lamp housing (11), a connecting piece (12), a lamp cap (13), an insulating fixed seat (7) and a driver insulating shell (10), wherein the heat-conducting aluminum substrate (4) is arranged on the upper surface of the radiating seat (6); the radiating seat (6) is connected with the radiating lamp housing (11); the radiating lamp housing (11) is provided with a plurality of radiating fins; ventilation grooves are formed between every two radiating fins; the lower surface of the radiating seat (6) is also provided with a plurality of radiating fins; ventilation trenches are formed between every two radiating fins on the lower surface of the radiating seat, and are communicated with the ventilation grooves, so that heat is radiated through convection; the radiating area is expanded by using the plurality of radiating fins on the lower surface of the radiating seat and the air is conducted by using the ventilation trenches between the radiating fins, so that the heat is radiated through air convection, and the LED lamp has a good radiating effect; the driver insulating shell (10) is matched in the radiating lamp housing (11); and the insulating fixed seat (7) is connected with the driver insulating shell (10) in a mutual matching way to accommodate the driving circuit board (8) in the space between the insulating fixed seat (7) and the driver insulating shell (10). Thus, the LED lamp can achieve the IP44 water-proof grade and meet the requirement of a CLASS II safety specification.

Description

technical field [0001] The invention relates to an LED ball lamp, especially an LED ball lamp with excellent heat dissipation effect, specifically an LED ball lamp with high heat dissipation that can reach the waterproof level of IP44 and meet the safety requirements of CLASSII. Background technique [0002] Nowadays, the application of energy-saving and environment-friendly LED light sources is becoming more and more widespread, and various lighting manufacturers in the market are also developing faster and faster, and the appearance of various LED bulbs is different. But at present, the junction temperature of LED light sources and lamps is too high, and the fatal shortcomings of serious light decay have become one of the problems hindering the application and development of LEDs. Therefore, the design of LED high light efficiency and LED heat conduction and heat dissipation has become a new research topic. In addition, the waterproof level of the existing LED light bulbs...

AI Technical Summary

Problems solved by technology

However, this cooling device 3 completely relies on heat conduction to dissipate heat, the cooling effect is poor, and the temperature of the LED lamp is relatively high.

In addition, in the utility model patent, the control circuit board 63 is installed in the power supply box composed of the upper case 61 and the lower case 62, and the upper case 61 and the lower case 62 are engaged with each other, so that the IP44 waterproof grade and CLASSII safety requirements

[0004] EP2105659A1 discloses an LED lamp, which dissipates heat through a cooling plate 2 and a cooling housing 4, and has small holes 21 on the cooling plate 2 for air convection, but since the cooling plate 2 is a flat structure, this The air convection does not occur on the entire surface of the cooling plate 2, the heat dissipation effect is poor, and the temperature of the LED lamp is still high

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