CN202884667U - Multiple light source light emitting diode (LED) shadowless lamp - Google Patents
Multiple light source light emitting diode (LED) shadowless lamp Download PDFInfo
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- CN202884667U CN202884667U CN2012204615656U CN201220461565U CN202884667U CN 202884667 U CN202884667 U CN 202884667U CN 2012204615656 U CN2012204615656 U CN 2012204615656U CN 201220461565 U CN201220461565 U CN 201220461565U CN 202884667 U CN202884667 U CN 202884667U
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- led
- light source
- shadowless lamp
- led light
- light sources
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Abstract
The utility model discloses a multiple light source light emitting diode (LED) shadowless lamp which comprises three or more than three LED light sources, a focusing mechanism and a focusing handle. The LED light sources are distributed on a same horizontal plane in an equal-angle mode around a center base. The focusing mechanism is located on a center point axis which is surrounded by the LED light sources. The focusing mechanism is provided with a plurality of spokes on the center base to adjust each of the LED light sources. According to the multiple light source LED shadowless lamp, high efficiency and energy saving can be achieved, service life of LED can be prolonged, meanwhile, the shadowless, polymerization of the multiple light sources can be really achieved by the combined use of a worm focusing mechanism and a plurality of LED light sources. In addition, shadowless rate, light spot, light source and light cross depth and the like can be flexibly adjusted, and exact demands of medical domain to various parameters of the shadowless lamp are met.
Description
Technical field
The utility model relates to the LED field of light fittings, the multi-light source LED shadowless lamp that relates in particular to a kind of focal length, can regulate without shadow rate, the light source light beam degree of depth, hot spot.
Background technology
LED is competitive novel solid light source of 21 century, it have the efficient height, photochromic pure, energy consumption is low, the life-span is long, reliability and durability, pollution-free, the control advantage such as flexible.The luminous flux of single white light LEDs has reached more than the 200lm at present, and the illuminator take LED as light source is on the increase.The bright dipping of led chip is that Lambertian distributes, if such allocation of square is processed and directly application without suitable optical system, in most of the cases all is difficult to satisfy lighting required performance indications that reach between the operating period.Therefore it is very necessary the illuminator take LED as light source being carried out secondary optical design.
In addition, because brightness and the underpower of single led light source are difficult to use as illumination, so existing illuminating LED lamp generally is assembled with a plurality of led light sources, then add upper lamp shade to reach desired brightness and power.Led light source can produce heat in use, the temperature effect that its heating produces when a plurality of combination of light sources are used the service life of lamp, the people is in case careless contact has the danger of scald simultaneously, general LED light fixture all can have cooling mechanism, yet substrate and radiator that existing LED lighting unit adopts are installed separately, this mode too takes up room, and causes radiating effect poor and need to expend more materials, increases production cost.
The luminescence unit of existing LED light fixture adopts the structure of direct projection form of lens more, has in actual applications the directly dazzling phenomenon of refraction generation illumination, and it is clear to form existence larger fuzzy hot spot blur margin in light beam zone after the refraction, and multiple light courcess is difficult for the phenomenon of polymerization.
The utility model content
The utility model embodiment technical problem to be solved is, all adjustable multi-light source LED shadowless lamps of a kind of focal length, the light source light beam degree of depth and hot spot are provided, described shadowless lamp comprises 3 or above led light source, focus adjusting mechanism and focusing handle, described led light source is distributed on the same level face with centering on a center pedestal equal angles, described focus adjusting mechanism is positioned on the axis of the centre mount that described led light source centers on, and described focus adjusting mechanism place centre mount is provided with many roots root the cylindrical shell that each is equipped with described led light source is fixed;
Described led light source is arranged on the heat-radiating substrate by a plurality of LED luminescence units, described LED luminescence unit comprises LED, reflector, described reflector surface is made of the curve cambered surface of a plurality of differing tilt angles, different curve cambered surfaces form different reflectings surface, the curved surface of differing tilt angles is with the light polymerization of LED luminescence unit, three or above described LED are installed on the steering-wheel type triple channel structure of described heat-radiating substrate, and described reflector is installed on described heat-radiating substrate and described LED is covered in the cup;
Described focus adjusting mechanism comprises many spokes and worm gearing, described many spokes are connected the rotating disk in the worm gearing with described led light source, with the worm screw in the described worm gearing and the socket of described focusing handle, described focusing handle rotates and drives described worm screw rotation, finishes the focusing action thereby the rotation of worm screw makes the worm gear sleeve do traveling priority.
Preferably, described LED is installed in the position employing steering-wheel type triple channel form structure on the described heat-radiating substrate.
Preferably, described spoke is installed on the rotating disk on the described turbine sleeve.
Further, be distributed in to each described led light source equal angles on the rib root of center pedestal.
Preferably, each described led light source is positioned in the cylindrical shell, and described cover body is installed on the described cylindrical shell.
More preferably, described led light source is positioned over and is provided with light-passing board in the cylindrical shell.
More preferably, described a plurality of led light sources center is provided with centre mount.
More preferably, described multi-light source LED shadowless lamp also comprises the electric part that is comprised of Switching Power Supply, control panel and led drive circuit.
Implement the utility model, have following beneficial effect:
Implement the utility model, reflector is the effective polymerization led light source of design of multiple reflection cambered surface, it is little to embody more fully power consumption, the LED that light efficiency is high, in actual production, the lighting effect of the based on halogen bulb 150W power consumption that the existing market that just can reach the LED of employing 38W power consumption generally adopts, practical application is energy-conservation to be about 75%, in addition, the improvement of the be fixedly mounted with pattern of LED on heat-radiating substrate has improved the effect of LED heat conduction and heat radiation to greatest extent, the light decay time of LED is effectively prolonged, allow its life-span be protected, greatly prolonged the service life of LED, be used in combination by Worm adjusting focusing mechanism and a plurality of led light source simultaneously, really accomplished without shadow, and multiple light courcess can be realized polymerization, simultaneously without the shadow rate, hot spot, but the flexible modulation such as the light source light beam degree of depth have satisfied the strict demand of medical domain to the various parameters of shadowless lamp.
Description of drawings
Fig. 1 is the utility model multi-light source LED shadowless lamp structural scheme of mechanism;
Fig. 2 is the utility model multi-light source LED shadowless lamp reflector top view figure;
Fig. 3 is the A-A cutaway view of Fig. 2 glow cup;
Fig. 4 is the utility model LED luminescence unit structural representation.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, multi-light source LED shadowless lamp described in the utility model comprises 3 led light sources 1, focus adjusting mechanism 2 and focusing handle 3, the cylindrical shell 42 of led light source is installed, the centre mount 5 of fixed cylinder 42; Described led light source with the center of circle of centre mount as the central point equal angles be distributed on the same level face, described focus adjusting mechanism is positioned on the axis of described centre mount, and described focus adjusting mechanism is provided with many spokes to regulate the variation of each described led light source in the pedestal of center.
Need to prove that it is that this implements a kind of optimal way that led light source is 3, the quantity of described led light source is not done restriction.
Described focus adjusting mechanism 2 comprises many spokes 21 and worm gearing, described many spokes 21 are connected the rotating disk 211 in the worm gearing with described led light source 1, with the worm screw 221 in the described worm gearing and described focusing handle 3 sockets, described focusing handle 3 rotates and drives described worm screw 221 rotations, thereby control described turbine sleeve 222 and do rectilinear motion along the axis of described centre mount 5, thereby described LED shadowless lamp is carried out focus adjustment.
Preferably, described focusing handle 3 comprises handle set 31 and handle 32.
Described worm screw 221 with described handle set 31 be fixed in described centre mount 5 on.
Preferably, described many spokes 21 are installed on the described rotating disk 211, and described handle 32 is placed on the described handle set 31.This rotating disk is used for controlling the focusing range of the led light source 1 of described cylindrical shell 43,
Preferably, each described led light source 1 is positioned in the cylindrical shell 42, and described cover 41 is installed on the described cylindrical shell 42.
More preferably, described led light source 1 is positioned between the described cylindrical shell 42 and is provided with light-passing board 43.
More preferably, described multi-light source LED shadowless lamp also comprises the electric part that is comprised of Switching Power Supply, control panel and led drive circuit.
Need to prove, described LED operation shadowless lamp also comprises the electric part that is comprised of Switching Power Supply, control panel and led drive circuit, Switching Power Supply adopts the medical grade Switching Power Supply by multinomial authentication, has the characteristics such as lightweight, that efficient is high, Electro Magnetic Compatibility good, input voltage range is wide; Control panel adopts the pulsewidth light adjusting circuit by the electric circuit constitutes such as monolithic computers, and the brightness height does not affect colour temperature, and have ten grades and touch light modulation, the brightness indication, buzzer is regulated in shutdown brightness memory, and is easy to operate directly perceived; Led drive circuit is comprised of the special-purpose drive integrated circult of LED, provides constant current stable LED drive current, and the working life that prolongs reliably LED reaches more than 10 years the LED lamp service life.
Extremely shown in Figure 4 with reference to Fig. 2, described led light source is arranged on the heat-radiating substrate 13 by a plurality of LED luminescence units and forms, described LED luminescence unit comprises LED 11, reflector 12, described reflector 12 surfaces are made of the curve cambered surface of a plurality of differing tilt angles, different curve cambered surfaces form different reflectings surface, the curved surface of differing tilt angles is with the light polymerization of LED luminescence unit, three or above described LED 11 are installed on the steering-wheel type triple channel structure of described heat-radiating substrate 13, and described reflector 12 is installed on described heat-radiating substrate and described LED 11 is covered in the cup.
Preferably, as shown in Figure 4, described LED 11 is installed on the described heat-radiating substrate 13 position and adopts steering-wheel type triple channel form structure, described heat-radiating substrate 13 is provided with a plurality of hole seats 131 be used to placing described LED 11 and described reflector 12, seat 131 centers, described hole to the outer equal angles be provided with 3 support bars 1311, be three width of cloth direction plate-likes, in the circular trough that the described support bar 1311 of described LED 11 embeddings surrounds, offer groove 1312 in the described support bar 1311, described groove is used for placing the pin of described LED 11, the support bar groove 1312 of adjacent two described hole seats 131 is together in series mutually, and described reflector is installed on the described hole seat 131.
Above disclosed only is a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (8)
1. multi-light source LED shadowless lamp, it is characterized in that, comprise 3 or above led light source, focus adjusting mechanism and focusing handle, described led light source is distributed on the same level face with centering on a center pedestal equal angles, described focus adjusting mechanism is positioned on the axis of the centre mount that described led light source centers on, and described focus adjusting mechanism is provided with many spokes each described led light source is regulated in centre mount;
Described led light source is arranged on the heat-radiating substrate by a plurality of LED luminescence units, described LED luminescence unit comprises LED, reflector, described reflector surface is made of the curve cambered surface of a plurality of differing tilt angles, different curve cambered surfaces form different reflectings surface, the curved surface of differing tilt angles is with the light polymerization of LED luminescence unit, three or above described LED are installed on the steering-wheel type triple channel structure of described heat-radiating substrate, and described reflector is installed on described heat-radiating substrate and described LED is covered in the cup;
Described focus adjusting mechanism comprises many spokes and worm gearing, described many spokes are connected the rotating disk in the worm gearing with described led light source, with the worm screw in the described worm gearing and the socket of described focusing handle, described focusing handle rotates and drives described worm screw rotation.
2. multi-light source LED shadowless lamp according to claim 1 is characterized in that, steering-wheel type triple channel heat conduction form structure is adopted in the position that described LED is installed on the described heat-radiating substrate.
3. multi-light source LED shadowless lamp according to claim 1 is characterized in that, described spoke is installed on the rotating disk on the turbine sleeve.
4. multi-light source LED shadowless lamp according to claim 1 is characterized in that, is distributed on the rib root of center pedestal to each described led light source equal angles.
5. multi-light source LED shadowless lamp according to claim 1 is characterized in that, each described led light source is positioned in the cylindrical shell, and cover is installed on the described cylindrical shell.
6. multi-light source LED shadowless lamp according to claim 1 is characterized in that, described led light source is placed on and is provided with light-passing board in the cylindrical shell.
7. multi-light source LED shadowless lamp according to claim 1 is characterized in that, the heart is provided with centre mount among described a plurality of led light sources.
8. the described multi-light source LED shadowless lamp of any one is characterized in that according to claim 1 ~ 7, also comprises the electric part that is comprised of Switching Power Supply, control panel and led drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204615656U CN202884667U (en) | 2012-09-12 | 2012-09-12 | Multiple light source light emitting diode (LED) shadowless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204615656U CN202884667U (en) | 2012-09-12 | 2012-09-12 | Multiple light source light emitting diode (LED) shadowless lamp |
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| Publication Number | Publication Date |
|---|---|
| CN202884667U true CN202884667U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204615656U Expired - Fee Related CN202884667U (en) | 2012-09-12 | 2012-09-12 | Multiple light source light emitting diode (LED) shadowless lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN202884667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323181A (en) * | 2015-12-10 | 2016-02-10 | 成都捷科菲友信息技术有限公司 | Shadowless illumination adsorption router placed in wall corner |
| CN105337878A (en) * | 2015-12-10 | 2016-02-17 | 成都捷科菲友信息技术有限公司 | Pressing adsorption type shadowless lighting router |
-
2012
- 2012-09-12 CN CN2012204615656U patent/CN202884667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323181A (en) * | 2015-12-10 | 2016-02-10 | 成都捷科菲友信息技术有限公司 | Shadowless illumination adsorption router placed in wall corner |
| CN105337878A (en) * | 2015-12-10 | 2016-02-17 | 成都捷科菲友信息技术有限公司 | Pressing adsorption type shadowless lighting router |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20160912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |