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Anti-explosion light-emitting diode (LED) desk lamp and control circuit

A technology of LED desk lamp and control circuit, which is applied in the direction of electric lamp circuit arrangement, electric light source, lighting device, etc.

Inactive Publication Date: 2013-07-03
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing control circuits and structures of these LED desk lamps are only suitable for small-scale personal lighting applications, while in some industrial places, high-power, high-brightness lighting lamps are required, and the lamps are also required to have explosion-proof performance, When free to move, it cannot meet the needs of the application

Method used

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  • Anti-explosion light-emitting diode (LED) desk lamp and control circuit
  • Anti-explosion light-emitting diode (LED) desk lamp and control circuit
  • Anti-explosion light-emitting diode (LED) desk lamp and control circuit

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Embodiment Construction

[0023] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0024] see figure 1 and figure 2 , The embodiment of the explosion-proof LED desk lamp of the present invention generally includes: a lamp holder 1 , a handle 2 and a lamp holder 3 .

[0025] The lamp holder 1 is a flameproof and sealed structure made of aluminum alloy, and an installation chamber is enclosed by a bottom shell 19 and an upper cover 18 which are fixed by screws and cooperate with each other. The core electrical components of the explosion-proof LED desk lamp: the battery 14 and the control circuit board 13 are arranged in the installation chamber. Among them, the battery is Ni-MH battery, which can be charged by connecting with an external charger through the charging port; the control circuit board is used to realize the LED constant current control and battery power display function, and the whole board is sealed with glue, which is convenient for...

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Abstract

The invention provides a control circuit of an anti-explosion light-emitting diode (LED) desk lamp and an anti-explosion LED desk lamp. The control circuit of the anti-explosion LED desk lamp comprises a battery electricity quantity detection display circuit and a high-power LED driving circuit. The battery electricity quantity detection display circuit comprises a singlechip, a battery electricity quantity detection unit connected with the singlechip and a battery electricity display unit connected with the singlechip, the battery electricity display unit comprises three status indication LEDs, and correspondingly provides multi-gear battery electricity indication, and the high-power LED driving circuit is used for driving a luminous source formed by a plurality of high-power LEDs. The anti-explosion LED desk lamp can provides high-power and high light illumination, has anti-explosion performance and is suitable for being moved freely.

Description

technical field [0001] The invention relates to a lamp, in particular to an LED desk lamp. Background technique [0002] An existing class of LED desk lamps, as disclosed in Chinese patent ZL200720047790.4, usually includes: LED light source, single-chip microcomputer, LED control drive circuit, battery voltage detection circuit, charging protection circuit, battery and charger power supply, battery output The terminal is connected with the input terminal of the single-chip microcomputer, the charging protection circuit, the battery voltage detection circuit and the LED control driving circuit at the same time, and the output terminal of the charger power supply is connected with the input terminal of the single-chip computer, the battery voltage detection circuit and the LED control driving circuit at the same time, and the charger power supply It is also connected with the battery through the electronic protection power switch, the output terminal of the charging protectio...

Claims

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Application Information

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IPC IPC(8): H05B37/02
Inventor 周明杰邵贤辉
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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