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Color temperature adjustment LED lamp

An LED lamp and color temperature technology, applied in the field of lighting, can solve the problems of large overall power supply, high cost, low power supply efficiency, etc., and achieve the effects of low cost, convenient operation, and overall compactness

Pending Publication Date: 2018-11-23
GUANGZHOU FOURSUN LIGHTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since it is necessary to detect the action of the input switch, it is necessary to design a special detection circuit to detect the input terminal; some even use 2.4G remote control dimming controller to realize the color temperature adjustment of the lamp, the cost is high, and the volume of the overall power supply Large, low power supply efficiency

Method used

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Examples

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Embodiment approach

[0037] The current limiting circuit 454 includes a resistor R3 connected to the CS terminal of the IC controller; the overvoltage protection circuit 455 includes a resistor R4 connected to the ROVP terminal of the IC controller.

[0038] The present invention provides an embodiment of a safety circuit 42, a rectification circuit 43 and a filter circuit 44. The safety circuit 42 includes a fuse F1. If the following circuit breaks down, the fuse F1 is blown to cut off the power supply to protect the entire circuit; the rectification circuit 43 includes a fuse F1. The rectifier bridge composed of four diodes converts the input AC power into DC power; the filter circuit 44 includes a filter capacitor C1 to filter the voltage of the input DC power.

[0039] The present invention provides an implementation of the output circuit 46. The output circuit 46 includes a controlled switch Q1, a controlled switch Q2 and a controlled switch Q3. The controlled switch Q1 is connected to the OUT...

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Abstract

The invention relates to the technical field of illumination, in particular to a color temperature adjustment LED lamp. The color temperature adjustment LED lamp comprises a lamp holder, a lamp body,a lampshade, a color temperature adjustment driving board and a lamp panel. A light emitting module is mounted on the lamp panel. The light emitting module comprises at least two LED lamp beads. A color temperature adjustment chip is arranged on the color temperature adjustment driving board. According to the color temperature adjustment LED lamp, the color temperature adjustment driving board andthe lamp panel are both arranged in the lamp body to form the integrated LED lamp; the input end of the color temperature adjustment driving board penetrates through the lamp body to be electricallyconnected with the lamp holder; the output end of the color temperature adjustment driving board is electrically connected with the lamp panel; the color temperature adjustment chip on the color temperature adjustment driving board controls power-on and power-off of the light emitting module to realize color temperature transformation of the LED lamp on the light emitting module. The color temperature adjustment LED lamp is compact overall, small in overall size, low in cost and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of lighting, in particular to an LED lamp with color-tuned temperature. Background technique [0002] With the continuous expansion of the application range of LED lighting, LED lighting has gradually developed from the most simple lighting function to the direction of intelligence, humanization and energy saving. In order to meet people's requirements for lighting in different scenarios, LED lighting fixtures with the function of switching color temperature came into being. [0003] LED technology is becoming more and more mature, but most of the LED lamps currently have a single color temperature. These mainstream lighting products cannot realize the adjustment function of color temperature. Each power supply drives LED lamp beads with two color temperatures, and the color temperature of the input switch is to control the switch of each power supply in the dual constant current power supply system by turn...

Claims

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Application Information

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IPC IPC(8): F21K9/232F21K9/238F21V19/00F21V23/00F21V23/04F21V29/87H05B33/08F21Y115/10H05B44/00
CPCF21V19/001F21V23/003F21V23/04F21V29/87H05B45/10
Inventor 曹小勇陈裕华
Owner GUANGZHOU FOURSUN LIGHTING
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