LED light string employing smoothing filter

Abstract

The invention discloses an LED light string employing a smoothing filter. The LED light string employing the smoothing filter comprises a light string body and a power supply circuit; the light string body comprises a plurality of LED beads which are integrally connected in series; the power supply circuit is a rectifier circuit; the light string body is arranged at the output end of the rectifier circuit; a smoothing circuit which is connected in parallel with the light string body is arranged at the output end of the rectifier circuit; with the adoption of the smoothing circuit, the function of voltage-stabilized or current-stabilized power supply of the light string body can be achieved, and the lighting effect of the LED light string can be ensured; in addition, the rectifier circuit and the smoothing circuit can be arranged in the same power controller which can be separately produced, or the rectifier circuit is independently arranged in a rectifier, and the smoothing circuit is independently arranged in a smoothing device; the rectifier and the smoothing device can be both separately produced; when in assembling, the power controller or the rectifier and the smoothing device are connected to the light string body to finish the assembling of the LED light string; therefore, manual welding assembling is saved, automatic production is achieved, and as a result, the production efficiency is high.

Description

technical field [0001] The invention relates to an LED lamp string, in particular to an LED lamp string using a filtering filter. Background technique [0002] In traditional LED light strings, especially in LED flashing light strings, in order to avoid poor lighting effects caused by current or voltage instability, a voltage-stabilizing / current capacitor is usually connected in parallel to the corresponding flashing LED beads, such as figure 1 as shown in ; or connect a regulator circuit in parallel with the corresponding flashing LED lamp bead, such as figure 2 shown in ; but these two types of methods cannot realize automatic production, and this problem cannot be solved when the light string reaches a certain length. The method of adding capacitors or voltage regulator tubes to the lamp beads is time-consuming and laborious. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides an LED flash lamp stri...

AI Technical Summary

Problems solved by technology

[0002] In traditional LED light strings, especially in LED flashing light strings, in order to avoid poor lighting effects caused by current or voltage instability, a voltage stabilizing / current capacitor is usually connected in parallel to the corresponding flashing LED beads, such as figure 1 as shown in ; or connect a voltage regulator circuit in parallel with the corresponding flashing LED lamp bead, such as figure 2 shown in ; but these two types of methods cannot realize automatic production, and cannot solve this problem when the light string reaches a certain length. The method of adding capacitors or voltage regulator tubes to the lamp beads is time-consuming and laborious

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