CN101737650A - LED lamp and reflector thereof - Google Patents
LED lamp and reflector thereof Download PDFInfo
- Publication number
- CN101737650A CN101737650A CN200910189274A CN200910189274A CN101737650A CN 101737650 A CN101737650 A CN 101737650A CN 200910189274 A CN200910189274 A CN 200910189274A CN 200910189274 A CN200910189274 A CN 200910189274A CN 101737650 A CN101737650 A CN 101737650A
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- led light
- reflective mirror
- light source
- reflector
- hole
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Abstract
The invention relates to a lamp and a reflector thereof, wherein the lamp comprises the reflector, an LED light source and a radiating piece, wherein the radiating piece fixes the LED light source; the bottom of the reflector is provided with a hole; the edge of the hole is provided with supporting pins for pressing the radiating piece; the LED light source is arranged in the hole; and a gap is retained between the LED light source and the reflector. The invention reduces the heat transfer contact area by changing the surface contact of the reflector and the LED light source into the line contact of the reflector and the radiating pieces in such a way that the bottom of the reflector is provided with the supporting pins, not only realizes good heat conduction functions, but also fundamentally prevents the lamp from being shorted out and becoming invalid in switch-on because a clad layer of the reflector contacts with the positive pole and the negative pole of the LED and the color light or the surface of the reflector from yellowing.
Description
Technical field
The present invention relates to lighting, relate in particular to the improvement of LED light fixture mirror construction.
Background technology
Compress LED by the reflective mirror bottom surface between traditional light fixture reflective mirror and the led light source and reach fixed L ED light source, led light source is contacted well with aluminium base, thereby be reached for lamp light source heat radiation purpose.Because mirror surface needs electroplating processes mostly, for preventing that reflective mirror bottom surface electrodeposited coating from contacting conducting with the led light source both positive and negative polarity, must make specific (special) requirements to electroplating technology, need place special frock when reflective mirror is electroplated and cover the reflective mirror bottom surface, to guarantee that the reflective mirror bottom surface is not electroplated.
This reflective mirror has the following disadvantages: at first, use frock to cover the reflective mirror bottom surface, certainly will increase electroplating cost, and electroplating efficiency is lower; Secondly, because of electroplating principle is to reach by ion-exchange method between electroplate liquid, therefore higher to the frock designing requirement.
In the production reality, often electroplate the coating that still has a little on the good reflective mirror frock coverage rate, still have certain conducting hidden danger.Therefore, tend between reflective mirror and led light source contact-making surface, to add one deck insulating trip again and eliminate conducting hidden danger again.In addition, because of actual between reflective mirror and led light source be that face contacts, if contact-making surface is bigger, mirror surface coating can cause surperficial glory or yellowing phenomenon because of the luminous heat transfer of led light source, thereby influences the reflective mirror reflective function.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, provides a kind of insulation and good LED light fixture and the reflective mirror thereof of heat-proof quality.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of LED light fixture, comprise reflective mirror and led light source, the radiating piece that also comprises fixing described led light source, wherein, described reflective mirror bottom has the hole, be provided with the feet that is used to compress described radiating piece at the edge in described hole, described led light source is arranged in the described hole, and leaves the gap between described led light source and the described reflective mirror.
LED light fixture of the present invention, wherein, described radiating piece comprises the heat dissipation plate of aluminium base and fixing described aluminium base, described feet compresses on the described aluminium base.
LED light fixture of the present invention, wherein, the both positive and negative polarity of described led light source is welded on the positive pole and negative pole of described aluminium base, and the positive pole of aluminium base and the distance between the negative pole are less than the diameter in described hole.
LED light fixture of the present invention, wherein, described reflective mirror outer wall is provided with double-screw bolt, and described reflective mirror is by the fixedly connected described heat dissipation plate of the screw that passes described double-screw bolt.
LED light fixture of the present invention, wherein, the section inner edge boundary line of described reflective mirror is a parabola, described hole is arranged on place, described parabolical summit.
The present invention also provides a kind of reflective mirror, and wherein, described reflective mirror is provided with the hole, is provided with the feet of the radiating piece that is used to push down fixed L ED light source at described bore edges.
Reflective mirror of the present invention, wherein, the section inner edge boundary line of described reflective mirror is a parabola, described hole is arranged on place, described parabolical summit.
The present invention is by being provided with feet in the reflective mirror bottom, reflective mirror contacted with the face of led light source change reflective mirror into and contact with the line of aluminium base, reduced hot transmission contact area, can not only realize the good heat conductive function, can also fundamentally avoid causing light fixture short circuit conducting failure conditions because of the both positive and negative polarity of mirror surface coating contact led light source, take place with the phenomenon of reflective mirror glory or surface jaundice, strengthened the reliability that light fixture uses, fundamentally avoided various hidden danger of quality.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the LED fitting structure schematic diagram of the embodiment of the invention;
Fig. 2 is an A part enlarged diagram among Fig. 1;
Fig. 3 is the reflective mirror cutaway view of the embodiment of the invention;
Fig. 4 is the aluminium base vertical view of the embodiment of the invention.
The specific embodiment
Below in conjunction with diagram, the preferred embodiments of the present invention are described in detail.
The LED fitting structure signal of preferred embodiment of the present invention as shown in Figure 1, it comprises reflective mirror 10 and led light source 20, the radiating piece that also comprises fixed L ED light source 20, reflective mirror 10 bottoms have hole 13,13 edge is provided with the feet 12 that is used to compress radiating piece in the hole, and led light source 20 is arranged in the hole 13.Wherein, radiating piece can comprise the aluminium base 30 and the fixing heat dissipation plate 40 of aluminium base 30, feet 12 compresses on the aluminium base 30, the both positive and negative polarity of led light source 20 is welded on the aluminium base 30, reflective mirror 10 outer walls are provided with double-screw bolt 11, by the screw that passes this double-screw bolt 11 reflective mirror 10 are locked on the heat dissipation plate 40.
In the present embodiment, aluminium base 30 structures as shown in Figure 4, see figures.1.and.2 simultaneously, the both positive and negative polarity of led light source 20 is welded on respectively on the positive pole 31 and negative pole 32 of aluminium base 30, and the positive pole 31 of aluminium base 30 and the distance between the negative pole 32 are less than the diameter in the hole 13 of reflective mirror 10 bottoms, guarantee to leave the gap between led light source 20 and the reflective mirror 10, make the feet 12 of reflective mirror 10 can not touch the both positive and negative polarity of led light source 20, also can not touch on the positive pole 31 and negative pole 32 of aluminium base 30, but contact the phenomenon of having avoided the both positive and negative polarity because of the both positive and negative polarity of reflective mirror 10 overlay coatings contact led light source 20 or aluminium base 30 to conduct electricity with peripheral part on the aluminium base 30 of fixed L ED light source 20.
And because feet 12 is the line contact with contacting of aluminium base 30, contact with face between the led light source 20 with reflective mirror 10 in the past and to compare, reduced contact area, and radiating mode changes indirect heat transfer into by direct heat transfer, be that heater led light source 20 is delivered to heat on the aluminium base 30 earlier, conduct heat to the feet 12 of reflective mirror 10 by aluminium base 30 again, avoided reflective mirror 10 glories or surperficial yellowing phenomenon, guaranteed 40 better heat radiating effect of led light source 20 and heat dissipation plate.
A plurality of feets 12 can be set at the edge of reflective mirror 10 bottom holes 13, as two, four etc., four feets preferably are set in the present embodiment, make reflective mirror 10 more stable.
The embodiment of the invention also provides a kind of reflective mirror, as shown in Figure 3, its have with foregoing LED light fixture in the identical structure of reflective mirror.
The present invention is by being provided with feet 12 in reflective mirror 10 bottoms, reflective mirror 10 contacted with the face of led light source 20 change reflective mirror 10 into and contact with the line of aluminium base 30, reduced hot transmission contact area, can not only realize the good heat conductive function, can also fundamentally avoid causing LED light fixture short circuit conducting failure conditions because of the both positive and negative polarity of reflective mirror 10 overlay coatings contact led light source 20, take place with the phenomenon of reflective mirror 10 glories or surface jaundice, strengthen the reliability that the LED light fixture uses, fundamentally avoided various hidden danger of quality.
After adopting the present invention program simultaneously, in electroplating process, do not need to do again frock and cover the reflective mirror bottom surface, therefore reduced the reflective mirror electroplating cost, and improved the reflective mirror electroplating efficiency.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (7)
1. LED light fixture, comprise reflective mirror (10) and led light source (20), the radiating piece that also comprises fixing described led light source (20), it is characterized in that, the bottom of described reflective mirror (10) has hole (13), be provided with the feet (12) that is used to compress described radiating piece at the edge of described hole (13), described led light source (20) is arranged in the described hole (13), and leaves the gap between described led light source (20) and the described reflective mirror (10).
2. LED light fixture according to claim 1 is characterized in that, described radiating piece comprises the heat dissipation plate (40) of aluminium base (30) and fixing described aluminium base (30), and described feet (12) compresses described aluminium base (30).
3. LED light fixture according to claim 2, it is characterized in that, the both positive and negative polarity of described led light source (20) is welded on respectively on the positive pole (31) and negative pole (32) of described aluminium base (30), and the positive pole (31) of described aluminium base (30) and the distance between the negative pole (32) are less than the diameter of described hole (13).
4. LED light fixture according to claim 2 is characterized in that, described reflective mirror (10) outer wall is provided with double-screw bolt (11), and described reflective mirror (10) is by the fixedly connected described heat dissipation plate of the screw that passes described double-screw bolt (11) (40).
5. LED light fixture according to claim 1 is characterized in that, the section inner edge boundary line of described reflective mirror (10) is a parabola, and described hole (13) are arranged on place, described parabolical summit.
6. a reflective mirror is characterized in that, the bottom of described reflective mirror (10) has hole (13), is provided with the feet (12) of the radiating piece that is used to push down fixed L ED light source (20) at edge, described hole (13).
7. reflective mirror according to claim 6 is characterized in that, the section inner edge boundary line of described reflective mirror (10) is a parabola, and described hole (13) are arranged on place, described parabolical summit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910189274A CN101737650A (en) | 2009-12-22 | 2009-12-22 | LED lamp and reflector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910189274A CN101737650A (en) | 2009-12-22 | 2009-12-22 | LED lamp and reflector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101737650A true CN101737650A (en) | 2010-06-16 |
Family
ID=42461514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910189274A Pending CN101737650A (en) | 2009-12-22 | 2009-12-22 | LED lamp and reflector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101737650A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478166A (en) * | 2010-11-30 | 2012-05-30 | 海洋王照明科技股份有限公司 | LED (light emitting diode) lamp fitting |
| CN102537673A (en) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | Portable lamp and radiating shell structure thereof |
| CN102563381A (en) * | 2010-12-15 | 2012-07-11 | 海洋王照明科技股份有限公司 | Lamp |
| CN103732976A (en) * | 2011-08-09 | 2014-04-16 | Lg伊诺特有限公司 | Lighting device |
-
2009
- 2009-12-22 CN CN200910189274A patent/CN101737650A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478166A (en) * | 2010-11-30 | 2012-05-30 | 海洋王照明科技股份有限公司 | LED (light emitting diode) lamp fitting |
| CN102478166B (en) * | 2010-11-30 | 2014-07-09 | 海洋王照明科技股份有限公司 | LED (light emitting diode) lamp fitting |
| CN102563381A (en) * | 2010-12-15 | 2012-07-11 | 海洋王照明科技股份有限公司 | Lamp |
| CN102537673A (en) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | Portable lamp and radiating shell structure thereof |
| CN102537673B (en) * | 2010-12-30 | 2013-12-11 | 海洋王照明科技股份有限公司 | Portable lamp and radiating shell structure thereof |
| CN103732976A (en) * | 2011-08-09 | 2014-04-16 | Lg伊诺特有限公司 | Lighting device |
| CN103732976B (en) * | 2011-08-09 | 2016-09-14 | Lg伊诺特有限公司 | Illuminator |
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Application publication date: 20100616 |