Focusing mechanism of LED shadowless lamp

A technology of LED shadowless lamp and shadowless lamp, which is applied to the parts of lighting devices, semiconductor devices of light-emitting elements, medical lighting, etc. , to achieve the effect of convenient movement range, precise focusing and convenient control

Inactive Publication Date: 2012-07-18
SHANDONG YUDA MEDICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But for the focusing of a large number of light-emitting diodes, there is no mature focusing technology solution, which cannot meet the needs of surgery, so that LED shadowless lamps cannot be well utilized and promoted.

Method used

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  • Focusing mechanism of LED shadowless lamp
  • Focusing mechanism of LED shadowless lamp
  • Focusing mechanism of LED shadowless lamp

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0012] Specific implementation methods: such as figure 1 As shown, a focusing mechanism of an LED shadowless lamp includes a disk-shaped shadowless lamp holder 5, a focusing drive device is provided at the center of the lamp holder 5, an LED lamp holder 2 is arranged on the lamp holder 5, and a lamp holder 2 is installed inside the lamp holder 5 LED light 1,. Several lamp holders 2 are distributed in a ring shape around the focusing drive device, one end of the lamp holder 2 is hinged to the outer edge of the lamp holder 5, and the other end is movably overlapped on the focusing drive device; The movable end is provided with a pre-tightening spring 3 to cooperate with the lamp holder 5 . The focusing drive device includes an adjusting and rotating lead screw 9 fixed at the center position of the lamp holder 5, one end of the lead screw 9 is connected to the motor 4, and the motor 4 adopts a DC servo stepping motor; The active nut7. The nut 7 is fixedly connected with a conn...

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PUM

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Abstract

The invention relates to a focusing transmission of a shadowless lamp, in particular to a focusing mechanism of an LED shadowless lamp, which comprises a disc-shaped shadowless lamp bracket. A focusing driving device is arranged in the center of the lamp bracket, a plurality of LED lamp holders are disposed on the lamp bracket and are annularly distributed on the periphery of the focusing driving device, one end of each lamp holder is hinged with the outer edge of the lamp bracket, the other end of each lamp holder is in movable lap joint with the focusing driving device, and a pre-tightening spring is disposed at a moveable end of each lamp holder and is fittingly connected with the lamp bracket. The focusing driving device realizes transmission focusing by the aid of a lead screw, has manual and electric double adjustment effects, and is high in adjustment stability and stability. In addition, the focusing mechanism is convenient in use, simple in structure and low in manufacturing cost, and has certain popularization and utilization values.

Description

technical field [0001] The invention relates to a focusing transmission device of a shadowless lamp, in particular to a focusing mechanism of an LED shadowless lamp. Background technique [0002] At present, most of the shadowless lamps used in hospitals use tungsten-halogen lamps as the light source, but tungsten-halogen lamps are heat lamps, and shadowless lamps need to be focused. In order to eliminate the heat of the hot light, a layer of filter cover is required. Moreover, ordinary shadowless lamps consume a lot of energy, the diameter of the spotlight spot is small, the light focus is shallow, and the service life of the bulb is short. The LED lamp is a cold light source, which has a remarkable energy-saving effect and is very suitable for use in shadowless lamps. At present, some surgical shadowless lamps use this kind of light-emitting diodes, that is, LED lights, as light sources, and combine multiple groups of light-emitting diodes on the lamp holder. The light r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V14/02F21W131/205F21Y101/02F21Y115/10
Inventor 田少文杨海燕
Owner SHANDONG YUDA MEDICAL EQUIP
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