LED low-voltage lamp tube

Abstract

The utility model discloses a light-emitting diode (LED) table lamp which comprises a lamp seat. On end of a lamp rod is fixed on the lamp seat, and a lamp cap frame is fixed on the other end of the lamp rod. A rectangular LED phosphor screen is fixedly arranged inside the lamp cap frame, an anti-interference direct current constant current adapter socket and a touch switch are fixedly installed on the lamp seat, and the lamp seat is further provided with a stepless dimming constant current circuit. According to the LED table lamp, a strip-shaped concave lens which plays a role in diffusing light is fixedly arranged in the front of the rectangular LED phosphor screen. To be matched with the distance between the concave lens and the LED phosphor screen, the concave lens with appropriate bent luminosity is chosen according to the need, so that the maximum deviation of diffused light is in the range of 30 degrees to 85 degrees apart from two sides of a plane of surface normal of the concave lens. And in addition, a dull polish lamp-chimney is placed before the concave lens so that the light is well-distributed after diffusion scattering. The purposes that the LED table lamp is good in lighting effects, stable in performance and convenient to use are achieved. And stepless dimming is achieved.

Description

technical field [0001] The invention relates to an LED low-voltage lamp tube. Background technique [0002] Although the existing LED lighting tubes on the market have the advantages of high efficiency, energy saving, environmental protection and longevity, they are all AC 220V (110V in some countries) directly connected to the lamp holder, and then converted to the LED light-emitting board by a constant current power supply. It is an unsafe voltage power supply, and the tube body is made of white aluminum profile, so the heat dissipation effect is poor. In addition, the optical characteristics of the narrow-angle beam of the emitted light from the LED cause the poor lighting effect, which increases the promotion of LED tubes in classrooms, workshops, and shopping malls. difficulty. Contents of the invention [0003] The purpose of the present invention is to provide an LED low-voltage lamp tube that uses a low-voltage direct current safe voltage for power supply, is safe...

AI Technical Summary

Problems solved by technology

[0002] Although the existing LED lighting tubes on the market have the advantages of high efficiency, energy saving, environmental protection and longevity, they are all AC 220V (110V in some countries) directly connected to the lamp holder, and then converted to the LED light-emitting board by a constant current power supply. It is an unsafe voltage power supply, and the tube body is made of white aluminum profile, so the heat dissipation effect is poor. In addition, the optical characteristics of the narrow-angle beam of the emitted light from the LED cause the poor lighting effect, which increases the promotion of LED tubes in classrooms, workshops, and shopping malls. difficulty

Images