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A LED lamp and its start-up self-locking circuit

A technology of LED lamps and self-locking circuits, which is applied to the layout of electric lamp circuits, electric light sources, lighting devices, etc., can solve the problems of high cost, large power consumption, and complicated circuit structure, and achieve reduced power consumption, lower circuit costs, The effect of simple circuit structure

Active Publication Date: 2016-08-03
SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a start-up self-locking circuit for LED lamps, which aims to solve the problems of complex circuit structure, high cost and large power consumption in the prior art

Method used

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  • A LED lamp and its start-up self-locking circuit
  • A LED lamp and its start-up self-locking circuit

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Embodiment Construction

[0012] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0013] In the embodiment of the present invention, a start-up self-locking circuit including an isolated output module and a trigger self-locking module is used in the LED lamp. The lock module locks the low potential of its control terminal to maintain its own conduction state, and then closes the conduction between the second input terminal and the second output terminal of the isolated output module to drive the power supply circuit to start and work, and the entire startup self-locking circuit The circuit structure is simple, the circuit cost is reduced, and the power consumption is reduced.

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Abstract

The invention is applied to the field of LED (light emitting diode) control and provides an LED lamp and a start self-locking circuit thereof. The LED lamp is provided with the start self-locking circuit which comprises an isolating output module and a trigger self-locking module; when a low level is obtained, the trigger self-locking module is conducted to trigger conduction of the isolating output module, and then locks a low potential at the control end of the isolating output module to maintain a self conduction state; the isolating output module is further closed and conducted to drive a power circuit to be started up to operate; the whole start self-locking circuit is simple in circuit structure, and the circuit cost and the power consumption are reduced, so that the problems of complicated circuit structure, high cost and high power consumption in the prior art are solved.

Description

technical field [0001] The invention belongs to the field of LED control, and in particular relates to an LED lamp and a starting self-locking circuit thereof. Background technique [0002] At present, during the start-up process of the internal circuit of the LED lamp, it is often necessary to maintain the start-up trigger level to realize the start-up of the internal circuit of the LED lamp and maintain the continuous path of the circuit. [0003] A solution provided by the prior art to achieve power-on maintenance is achieved by using an integrated circuit IC. Although this solution can achieve the above-mentioned purpose of starting the internal circuit of the LED lamp and maintaining the continuous conduction of the circuit, due to the integrated The circuit IC needs to be equipped with a relatively complex peripheral circuit to realize, so it will complicate the internal circuit structure of the entire LED lamp, increase the circuit cost, and increase the overall circu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B37/02
Inventor 周明杰管伟芳
Owner SHENZHEN OCEANS KING LIGHTING ENG CO LTD