CN202884666U - Light-emitting diode (LED) operation shadowless lamp - Google Patents
Light-emitting diode (LED) operation shadowless lamp Download PDFInfo
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- CN202884666U CN202884666U CN2012204613326U CN201220461332U CN202884666U CN 202884666 U CN202884666 U CN 202884666U CN 2012204613326 U CN2012204613326 U CN 2012204613326U CN 201220461332 U CN201220461332 U CN 201220461332U CN 202884666 U CN202884666 U CN 202884666U
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Abstract
The utility model discloses a light-emitting diode (LED) operation shadowless lamp. The LED operation shadowless lamp comprises a first LED light source, a second LED light source, a focusing mechanism and a focusing handle. The first LED light source and the second LED light source are formed by arranging LED light-emitting units to be of a ring shape in a surrounding mode. The focusing mechanism is installed between the first LED light source and the second LED light source. The focusing handle is installed on the second LED light source, and the focusing mechanism and the focusing handle are respectively installed on two sides of the annular plane of the second LED light source. By adopting the LED operation shadowless lamp, the effect of high efficiency and energy conservation can be achieved, service life of the LED is prolonged, meanwhile, the worm focusing mechanism and a plurality of LED light sources are used in a combination mode, shadowless effect can be achieved, and a plurality of light sources can be aggregated. Meanwhile, a shadowless rate, light spots, a light source light beam depth and the like can be adjusted flexibly, and strict requirements of various parameters of the shadowless lamp in a medical field can be met.
Description
Technical field
The utility model relates to the LED field of light fittings, the LED operation 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, a kind of focal length is provided, the light source light beam degree of depth and hot spot be adjustable saving in the LED shadowless lamp of operation all, described shadowless lamp comprises the first led light source, the second led light source, focus adjusting mechanism and focusing handle, described first, the second led light source is arranged in ring-type by the LED luminescence unit and is installed on the heat-radiating substrate, described heat-radiating substrate is comprised of steering-wheel type triple channel heat conduction and heat radiation structure, described heat-radiating substrate is fan-shaped and/or circular, described focus adjusting mechanism is installed between described the first led light source and described the second led light source, described focusing handle is installed on described the second led light source, and described focus adjusting mechanism and described focusing handle are installed on respectively the both sides of described the second led light source ring plain;
Described the first led light source comprises LED luminescence unit and fan-shaped heat-radiating substrate, and described the second led light source comprises LED luminescence unit and circular heat-radiating substrate.
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 the light polymerization of LED luminescence unit, and two or above described LED are installed in described heat-radiating substrate [degree of depth technology 1].Described reflector is installed on described heat-radiating substrate and described LED is covered in the cup;
Described focus adjusting mechanism comprises upper and lower metallic support and worm gearing, described upper metallic support is fixed in the worm screw in the worm gearing on described the first led light source, and described lower metallic support is installed on the worm gear sleeve in the described worm gearing on described the second led light source;
Described focusing handle is installed on described the second led light source and with described worm gear and is connected, and described focusing handle rotates the dial rotation that drives on the described worm gear sleeve.
Preferably, described LED is installed in the position employing steering-wheel type triple channel form structure on the described heat-radiating substrate.
Preferably, described upper and lower metallic support is equipped be used to the spacing collar that limits described worm screw stroke.
Preferably, described LED operation shadowless lamp comprises that also the light cover stiffening ring is fixed in described the first led light source, the second led light source and described focus adjusting mechanism on the described light cover.
More preferably, between described bottom support circle and the described lamp housing light-passing board is installed also.
More preferably, described LED operation 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, 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 LED operation shadowless lamp structural scheme of mechanism;
Fig. 2 is the utility model LED operation shadowless lamp reflector top view;
Fig. 3 is the A-A cutaway view of Fig. 2 glow cup;
Fig. 4 is the utility model LED operation shadowless lamp 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, described shadowless lamp comprises the first led light source 1, the second led light source 2, focus adjusting mechanism 3 and focusing handle 4, described the first led light source 1 and described the second led light source 2 are arranged in ring-type by the LED luminescence unit and are installed on the heat-radiating substrate, described focus adjusting mechanism 3 is installed between described the first led light source 1 and described the second led light source 2, described focusing handle 4 is installed on described the second led light source 2, and described focus adjusting mechanism 3 and described focusing handle 4 are installed on respectively the both sides of described the second led light source 2 ring plains.
Need to prove that described heat-radiating substrate is fan-shaped and/or circular, select according to the different application needs that in the present embodiment, described heat-radiating substrate is fan-shaped and circular combination.
Need to prove that described the second led light source 2 centers can have through hole, described focusing handle 4 can be connected with described focus adjusting mechanism 3 by through hole.
Described focus adjusting mechanism 3 comprises metallic support 31, lower metallic support 32 and worm gearing 33, described upper metallic support 31 is fixed in the worm screw 331 in the worm gearing 33 on described the first led light source 1, and described lower metallic support 32 is installed on the worm gear sleeve 332 in the described worm gearing 33 on described the second led light source 2.
Described focusing handle 4 utilizes annular gasket to be installed on described the second led light source 2, handle is connected with described worm gear sleeve 332 by the through hole of described annular gasket and the through hole at described the second led light source 2 centers, and the rotation of described focusing handle 4 drives described worm gear sleeve 332 and rotates.
Need to prove, described worm gear sleeve 332 can be socketed on the described worm screw 331, described worm screw 331 and described focusing handle 4 sockets, drive the rotation of described worm screw 331 by the rotation of described focusing handle 4, and then control the up and down rectilinear motion of described worm gear sleeve 332, thereby regulate described the first led light source 1 move up and down and described the second led light source 2 between distance, realize the adjusting of focal length, hot spot and the light source light beam degree of depth.
Preferably, described upper and lower metallic support can also be installed be used to the spacing collar 3311 that limits described worm screw 331 strokes.
Preferably, described LED operation shadowless lamp also comprises light cover stiffening ring 6, and described focus adjusting mechanism 3 described the first led light sources 1, described the 2nd LED lamp source 2 are fixed on the described lamp housing 8.
Preferably, described lamp housing 8 is equipped with light-passing board 9.
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 by [S2] [P3] medical grade Switching Power Supply, 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.
With reference to Fig. 2, Fig. 3, shown in Figure 4, described heat-radiating substrate and described LED luminescence unit comprise LED11, 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, two or above described LED12 are installed on the described heat-radiating substrate 13, and described reflector 12 is installed on described heat-radiating substrate 13 and described LED12 is covered in the cup.
Preferably, described LED11 is installed in the position employing steering-wheel type triple channel form structure on the described heat-radiating substrate 13.
Claims (6)
1. LED operation shadowless lamp, it is characterized in that, comprise the first led light source, the second led light source, focus adjusting mechanism and focusing handle, described first, the second led light source is arranged by the LED luminescence unit and is surrounded into ring-type and be placed on the heat-radiating substrate, described heat-radiating substrate is comprised of steering-wheel type triple channel heat conduction and heat radiation structure, described heat-radiating substrate is fan-shaped and/or circular, described focus adjusting mechanism is installed between described the first led light source and described the second led light source, described focusing handle is installed on described the second led light source, and described focus adjusting mechanism and described focusing handle are installed on respectively the both sides of described the second led light source ring plain;
Described the first led light source comprises LED luminescence unit and fan-shaped heat-radiating substrate, and described the second led light source comprises LED luminescence unit and circular heat-radiating substrate;
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 the light polymerization of LED luminescence unit, and two or above described LED are installed on the described heat-radiating substrate;
Described reflector is installed on described heat-radiating substrate and described LED is covered in the cup;
Described focus adjusting mechanism comprises upper and lower metallic support and worm gearing, described upper metallic support is fixed in the worm screw in the worm gearing on described the first led light source, and described lower metallic support is installed on the worm gear sleeve in the described worm gearing on described the second led light source;
Described focusing handle is installed on described the second led light source and with described worm gear sleeve and socket-connects, and described focusing handle rotates the dial rotation that drives on the described worm gear sleeve.
2. LED operation shadowless lamp according to claim 1 is characterized in that, steering-wheel type triple channel form structure is adopted in the position that described LED is installed on the described heat-radiating substrate.
3. LED operation shadowless lamp according to claim 1 is characterized in that, described upper and lower metallic support is equipped be used to the spacing collar that limits described worm screw stroke.
4. LED operation shadowless lamp according to claim 1 is characterized in that, comprises that also the light cover stiffening ring is fixed in described the first led light source, the second led light source and described focus adjusting mechanism on the lamp housing.
5. LED operation shadowless lamp according to claim 4 is characterized in that, described lamp housing is equipped with light-passing board.
6. the described LED operation shadowless lamp of any one is characterized in that according to claim 1 ~ 5, 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 |
|---|---|---|---|
| CN2012204613326U CN202884666U (en) | 2012-09-12 | 2012-09-12 | Light-emitting diode (LED) operation shadowless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204613326U CN202884666U (en) | 2012-09-12 | 2012-09-12 | Light-emitting diode (LED) operation shadowless lamp |
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| CN202884666U true CN202884666U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012204613326U Expired - Fee Related CN202884666U (en) | 2012-09-12 | 2012-09-12 | Light-emitting diode (LED) operation shadowless lamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277681A (en) * | 2013-05-23 | 2013-09-04 | 云南邦桥节能科技有限公司 | Operation shadowless lamp |
| CN103307515A (en) * | 2013-06-08 | 2013-09-18 | 南宁市三科医疗器械有限责任公司 | LED surgical shadowless lamp |
| CN105627171A (en) * | 2016-03-07 | 2016-06-01 | 欧普照明股份有限公司 | Optical element, light sources module and lighting device |
| CN105805646A (en) * | 2016-04-19 | 2016-07-27 | 广东善觉科技有限公司 | Swinging mechanism of light source module of shadowless lamp |
| CN109958971A (en) * | 2017-12-25 | 2019-07-02 | 上海复弘科技发展有限公司 | The auto-manual of operation shadowless lamp adjusts hot spot device |
-
2012
- 2012-09-12 CN CN2012204613326U patent/CN202884666U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277681A (en) * | 2013-05-23 | 2013-09-04 | 云南邦桥节能科技有限公司 | Operation shadowless lamp |
| CN103277681B (en) * | 2013-05-23 | 2016-05-18 | 重庆市光遥光电节能科技有限公司 | A kind of operation shadowless lamp |
| CN103307515A (en) * | 2013-06-08 | 2013-09-18 | 南宁市三科医疗器械有限责任公司 | LED surgical shadowless lamp |
| CN103307515B (en) * | 2013-06-08 | 2015-06-17 | 南宁市三科医疗器械有限责任公司 | LED surgical shadowless lamp |
| CN105627171A (en) * | 2016-03-07 | 2016-06-01 | 欧普照明股份有限公司 | Optical element, light sources module and lighting device |
| CN105805646A (en) * | 2016-04-19 | 2016-07-27 | 广东善觉科技有限公司 | Swinging mechanism of light source module of shadowless lamp |
| CN105805646B (en) * | 2016-04-19 | 2018-10-26 | 广东善觉科技有限公司 | Astral lamp light source module swing mechanism |
| CN109958971A (en) * | 2017-12-25 | 2019-07-02 | 上海复弘科技发展有限公司 | The auto-manual of operation shadowless lamp adjusts hot spot device |
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Legal Events
| Date | Code | Title | Description |
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| 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 |