LED lamp with vertical ventilation and heat dissipation structure

Abstract

The invention discloses an LED lamp with a vertical ventilation and heat dissipation structure. The LED lamp comprises a lamp shell, a drive power source and an LED light source. The lamp shell is in a horn shape, and comprises a neck portion and a mouth portion. A body of the neck portion is formed by reinforcing ribs arranged at intervals, and hollowed space exists between every two adjacent reinforcing ribs. A through hole communicated with the neck portion is formed in the center of the mouth portion, a body of the mouth portion comprises an outer ring portion, a middle portion and an inner ring portion, and a plurality of vertically through air guide grooves are formed in the outer ring portion and the inner ring portion. The drive power source is arranged in the neck portion of the lamp shell, and the LED light source is located on the middle portion of the body of the mouth portion of the lamp shell. According to the LED lamp with the vertical ventilation and heat dissipation structure, heat of the light source and the drive power source can be dissipated fast, the structure is simple, assembling and maintenance are convenient, and the heat dissipation requirements of various high-power LED lamps can be met.

Description

technical field [0001] The invention relates to an LED lamp, in particular to an LED lamp with a vertical ventilation and heat dissipation structure, and belongs to the technical field of LED lighting. Background technique [0002] With the development of LED, the emergence of high-power LED with ultra-high brightness and white light emission has expanded the application field of LED to household lighting, urban and rural lighting projects and road lighting. Although the luminous efficiency of LED is very high, which is 2 to 2.5 times that of general high-pressure sodium lamps, a certain proportion of electrical energy will still be converted into heat energy during actual use. Moreover, high-power LED lamps are actually an application in which many single high-power LED lamp beads are densely arranged and combined, so a large amount of accumulated heat will be generated during use. If no heat dissipation measures are taken, the accumulated heat will cause the temperature o...

AI Technical Summary

Problems solved by technology

For example: the high-power LED lighting lamps of the prior art generally adopt a hollow heat dissipation lamp cup, and a base for fixing the LED light-emitting component is arranged inside the light cup, and the base separates the cavity of the heat dissipation lamp cup into an LED light-emitting component receiving cavity and a drive. The power supply housing cavity, the driving power supply housing is set in the driving power supply housing cavity, the upper and lower ends of the driving power supply housing cavity are closed, and the inner wall of the driving power supply housing is close to the inner wall of the driving power supply housing cavity, because the heat dissipation lamp cup itself The heat of the LED light source has been carried, so the driving circuit board is in a high-temperature environment in the heat dissipation lamp cup, and the heat is difficult to dissipate effectively. Over time, it will affect the normal operation of the electronic components of the driving power supply, thereby affecting the overall service life of the LED lighting lamp

[0004] Although the Chinese invention patent ZL201110380324.9 provides an LED lamp for dissipating heat from the driving power supply, a heat dissipation channel through the upper and lower sides is provided between the housing of the driving power supply and the inner wall of the heat dissipation lamp cup, so that air can enter the heat dissipation lamp cup and Taking away the heat generated by the driving power supply can reduce the thermal impact of the heat dissipation lamp cup on the driving power supply to a certain extent, and can reduce the temperature rise of the power supply environment by about 5%. However, the light source part and the power supply part of this patented technology are still stacked up and down The structure, the bottom of the power supply part and the top of the light source part still cannot form natural convection of air (hot air flows upward naturally), which not only affects the rapid dissipation of heat from the light source, but also keeps the driving power in a temperature-rising environment. Solve the heat dissipation effect of high-power lamps is not very significant

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