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A DIP Switch Circuit Based on Thyristor

A technology of dial switch and circuit, which is applied in the direction of electric light source, electrical components, electroluminescent light source, etc., and can solve the problems that the dial switch cannot be switched at the same time, the wall switch cannot be switched at the same time, and the control mode of the control circuit is single. To achieve perfect LED open circuit and short circuit protection, increase the diversity of functions, and achieve good effects of flicker removal

Active Publication Date: 2020-11-03
广东明丰电源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing LED power supply products are usually either a single thyristor dimming circuit, or a separate wall switch dimming circuit, or a separate toggle switch dimming circuit; In the light state, the wall switch switching function cannot be realized at the same time, nor can the DIP switch switch be realized at the same time, so the existing control circuit has the disadvantages of single control mode and inconvenience, and there is also the phenomenon of output strobe

Method used

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  • A DIP Switch Circuit Based on Thyristor
  • A DIP Switch Circuit Based on Thyristor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, a SCR-based DIP switch circuit includes a power supply EMC filter input circuit module M1, a SCR dimming circuit module M2, a wall switch dimming circuit M3, an output de-stroboscopic circuit module M4, and a DIP switch The circuit module M5 and the MCU power supply circuit module M6; the thyristor dimming circuit module M2 is electrically connected to the power supply EMC filter input circuit module M1, the wall switch dimming circuit M3, and the output flicker-removing circuit module M4; The optical circuit M3 is electrically connected to the dial switch circuit module M5; the MCU power supply circuit module M6 is electrically connected to the output destroboscopic circuit module M4 and the wall switch dimming circuit M3 respectively;

[0031] The power supply EMC filter input circuit module M1 is used to perform EMC filter on the input AC power supply, and provide power to the thyristor dimming circuit module M2;

[0032] The thyristor dim...

Embodiment 2

[0044] Embodiment 2 is the further optimization of embodiment 1;

[0045] The voltage dividing resistor is composed of a first voltage dividing resistor R24 ​​and a second voltage dividing resistor R25 connected in parallel;

[0046] The second filter capacitor is composed of a third filter capacitor C18 and a fourth filter capacitor C17 connected in parallel.

Embodiment 3

[0048] Embodiment 3 is the further optimization of embodiment 1;

[0049] The wall switch dimming circuit M3 specifically includes three second MOS transistors, which are the second MOS transistor Q5, the second MOS transistor Q6, and the second MOS transistor Q7;

[0050] The DIP switch circuit module M5 specifically includes three second DIP switches, which are respectively the second DIP switch SW2 , the second DIP switch SW3 , and the second DIP switch SW4 .

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Abstract

The invention relates to the technical field of dimming electronic circuits, and specifically discloses a thyristor-based dial switch circuit, including a power supply EMC filter input circuit module, a thyristor dimming circuit module, a wall switch dimming circuit, and an output defrequency The flashing circuit module, the DIP switch circuit module and the MCU power supply circuit module; the thyristor dimming circuit module is electrically connected with the power supply EMC filter input circuit module, the wall switch dimming circuit, and the output flickering circuit module respectively; the wall switch The dimming circuit is electrically connected to the dial switch circuit module; the MCU power supply circuit module is electrically connected to the output flicker-removing circuit module and the wall switch dimming circuit respectively. The invention has the advantages of high cost performance, low cost, simple circuit structure, high reliability and ability to eliminate stroboscopic flicker, and has the dimming function of realizing multi-channel output, increases the diversity of functions of the LED power supply, thereby enhancing the experience of consumers.

Description

technical field [0001] The invention relates to the technical field of dimming electronic circuits, in particular to a thyristor-based dial switch circuit. Background technique [0002] Existing LED power supply products are usually either a single thyristor dimming circuit, or a separate wall switch dimming circuit, or a separate toggle switch dimming circuit; In the light state, the switching function of the wall switch and the switching of the DIP switch cannot be realized at the same time, so the existing control circuit has the disadvantages of single control mode and inconvenience, and there is also the phenomenon of output flickering. Contents of the invention [0003] In view of this, it is necessary to propose a thyristor-based DIP switch circuit to solve the above-mentioned shortcomings in the background technology. [0004] To achieve the above object, the present invention takes the following technical solutions: [0005] A thyristor-based DIP switch circuit ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B45/10H05B45/30H05B45/36H05B44/00
CPCH05B45/00H05B45/10Y02B20/30
Inventor 吴嘉毅王永东
Owner 广东明丰电源科技有限公司