Small power electromagnetic induction lamp

Abstract

The invention discloses an electromagnetic induction lamp, which magnifies the sectional area of a lamp tube to lower down the working temperature and voltage of the lamp tube as well as adopts a magnetic loop with shielding effect to realize the low power of 3W to 10W in the electromagnetic induction lamp. Therefore, in the technical proposal of the invention, the sectional area of lamp tube is enlarged to lower down the working temperature and voltage of the lamp tube; the electromagnetic radiation of the magnetic loop is effectively shielded to enhance the magnetic flux of the lamp tube and realize the low power of 3W to 10W. Besides, because the sectional area of the lamp tube is enlarged, the surface area of the lamp tube is enlarged and the unit load for the fluorescent powder on the inner surface of the lamp tube is reduced, so as to effectively enhance the luminous flux and luminous flux maintenance rate. Therefore, the invention realizes the object of small power, simple technique and low cost.

Description

technical field [0001] The invention relates to the field of light source electrical appliances, more specifically, the invention relates to a low-power electromagnetic induction lamp. Background technique [0002] Because it is a new generation of energy-saving products with no filament, high luminous efficiency, high luminous flux, long life, and high power factor, the electromagnetic induction lamp can be widely used in homes, offices, etc. [0003] In 1991, Panasonic Corporation of Japan invented the Everlight electrodeless lamp, GE produced the Genura lamp in 1994, and Philips developed the QL electrodeless lamp in 1997. Both of them use electromagnetic induction to convert electric energy Magnetic energy is converted into light energy to emit light, so they all belong to electromagnetic induction lamps, and their shapes and structures are also roughly the same. As shown in Figure 1, the lamp 100 includes: [0004] The lamp holder 102 can be connected to the lamp holde...

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Problems solved by technology

[0007] Therefore, in order to overcome the disadvantages of high operating frequency, complicated manufacturing process and high cost of the electromagnetic induction lamp in the prior art, a new type of electromagnetic induction lamp is needed to overcome the above problems and realize miniaturization

However, in the technical solution shown in Figure 2A and Figure 2B, the volume and surface area of ​​the lamp tube due to miniaturization are relatively small, although the cross-sectional area at the bottom of the lamp tube is enlarged, a low power of at least 15W can be achieved

However, the cross-sectional area of ​​the lamp tube on both sides of the magnetic ring is relatively small, so that the working temperature of the entire lamp tube cannot be lowered, and the power of the entire lamp cannot reach less than 15W.

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