Storage table lamp

Abstract

The invention provides a storage table lamp. The storage table lamp comprises a table lamp base, a switch power source, a lamp support and a lampshade. The switch power source comprises a resonance converter with a middle tapped transformer. The table lamp base is a cylinder, and a storage drawer is arranged on the side, far away from the lamp support, of the lateral surface of the cylinder. The switch power source comprising the resonance converter with the middle tapped transformer and the storage drawer are arranged, so that the storage table lamp is low in loss and high in power density. The service life of the table lamp is prolonged. The reliability of the storage table lamp is improved. An effective storage function for small articles is provided, so that the space of the table lamp base is reasonably used.

Description

technical field [0001] The invention belongs to the field of lighting tools, in particular to a storage desk lamp. Background technique [0002] Desk lamps have become a necessity for people's life and study, especially for students who need to study at home or study in the school study room. [0003] At present, traditional desk lamps often use switching power supplies to switch on and off while satisfying the functions of lighting tools. The working process of switching power supplies used in traditional desk lamps is through "chopping", that is, chopping the input DC voltage into amplitudes equal to The pulse voltage of the input voltage amplitude is realized. The duty cycle of the pulse is adjusted by the controller of the switching power supply; once the input voltage is chopped into an AC square wave, its amplitude can be increased or decreased by the transformer, and the output can be increased by increasing the number of secondary windings of the transformer. Volta...

AI Technical Summary

Problems solved by technology

[0004] However, the desk lamp using the switching power supply used in the above desk lamp has switching loss, an impulse voltage generated when the switching element is disconnected, and poor stability of the desk lamp caused by voltage instability, high loss, low power density, and long working life. The problem of low reliability; and the traditional desk lamp that only plays the role of lighting tool, and the traditional desk lamp has a single function. While the base occupies the desktop space, when students study at the desk, in addition to placing the desk lamp, there are also a large number of Books and materials need to be unfolded, especially for the small desk space and unblocked self-study room desk, when students use to search for small items such as erasers, sticky notes or pens, the memory is lost or difficult to find; However, the base of the traditional desk lamp has not been effectively used except for the stability of the desk lamp and the switch on it.

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