CN202708985U - Lamp cup used for light-emitting diode (LED) lamp - Google Patents
Lamp cup used for light-emitting diode (LED) lamp Download PDFInfo
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- CN202708985U CN202708985U CN2012203204261U CN201220320426U CN202708985U CN 202708985 U CN202708985 U CN 202708985U CN 2012203204261 U CN2012203204261 U CN 2012203204261U CN 201220320426 U CN201220320426 U CN 201220320426U CN 202708985 U CN202708985 U CN 202708985U
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Abstract
The utility model discloses a lamp cup used for a light-emitting diode (LED) lamp. The lamp cup used for the LED lamp comprises a cup body. An open pore enabling a light source to be placed inside the cup body is placed on the top of the cup body, and an opening enabling the ray of light to be emitted is arranged on the bottom of the cup body. The lamp cup used for the LED lamp is characterized in that an inner wall of the cup body comprises at least two connected reflective cambered surfaces. Each reflective cambered surface comprises a spotlight cambered surface located on the upper portion of the inner wall of the cup body and an astigmia cambered surface located on the lower portion of the inner wall of the cup body. The spotlight cambered surface comprises a plurality of continuously connected plane light-reflecting units, and the astigmia cambered surface comprises a plurality of continuously connected convexity light-reflecting units.
Description
Technical field
The utility model relates to a kind of LED lamp, particularly a kind of Lamp cup for the LED lamp.
Background technology
At present, along with the reinforcement of people's awareness of saving energy and the maturation of LED lighting engineering, led chip is long with the life-span, energy-conserving and environment-protective, and the light efficiency high is just progressively replaced current incandescent lamp and fluorescent light.But, the only spot light that led chip sends, it exists, and the brightness of some area is high, light is concentrated, light is inhomogeneous, the shortcoming such as blackspot is arranged.
Thereby; the LED light fixture can arrange Lamp cup usually; by Lamp cup the light that led light source sends is carried out Reflective regulation; evenly reach the effect of eliminating blackspot to reach optically focused; but in the common LED modulated structure, the part light that the LED lamp sends does not have through Lamp cup optically focused directly to be launched, thereby its spotlight effect is poor, irradiation brightness is inadequate and distribution of light is inhomogeneous, irradiating angle is little, blackspot is obvious; thereby the design people has designed a kind of novel LED Lamp cup and has solved the problems referred to above.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of LED Lamp cup that has simultaneously optically focused and astigmatism functions, and spotlight effect is good, brightness is high and even, without blackspot; And when astigmatism can be realized the wide-angle irradiation.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of Lamp cup for the LED lamp, comprise cup, the cup top is provided with the perforate that can make light source put into cup, and bottom of cup is provided with the opening that light is penetrated, it is characterized in that: described cup inwall comprises at least two reflective cambered surfaces of joining, this reflective cambered surface comprises the optically focused cambered surface that is positioned at the cup upper inside wall and is positioned at the astigmatic cambered surface of cup inwall bottom, and this optically focused cambered surface comprises the plane reflecting unit that several join continuously; And should the astigmatism cambered surface comprise the convex surface reflecting unit that several join continuously.
The inwall of described cup is joined by the identical described reflective cambered surface in four sides and consists of, and this reflective cambered surface is uniform around the cup central axis.
Described perforate is square hole, and described reflective cambered surface is corresponding with every one side of this square hole respectively.
Described reflective cambered surface is quadratic surface, and its vertical section outline line is conic section.
Described reflective cambered surface is parabolic, and its vertical section outline line is parabolic curve.
The beneficial effects of the utility model are: the inwall of cup of the present utility model comprises at least two reflective cambered surfaces of joining, this reflective cambered surface comprises the optically focused cambered surface that is positioned at upper inside wall and is positioned at the astigmatic cambered surface of inwall bottom, pass through said structure, when light source is positioned at the focal position relative with the optically focused cambered surface, Lamp cup mainly plays the effect of optically focused, reflective by several plane reflecting units that join continuously, the chief ray that light source is sent can both evenly converge in the range of exposures that needs, improved spotlight effect, hot spot is rounded and very evenly without blackspot; When light source moves into place in the position relative with astigmatic cambered surface, the effect of Lamp cup astigmatism has been strengthened, reflective by several convex surface reflecting units that join continuously, the chief ray that light source is sent can be large-angle refracted away, thereby the realization wide-angle is thrown light on a large scale, and light is even, soft simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is three-dimensional view of the present utility model;
Fig. 2 is upward view of the present utility model;
Fig. 3 is application perspective view of the present utility model;
Fig. 4 is top view of the present utility model;
Fig. 5 is the light path schematic diagram of the light source focal position that is positioned at the optically focused cambered surface;
Fig. 6 is the light path schematic diagram of the light source focal position that is positioned at astigmatic cambered surface.
The specific embodiment
With reference to Fig. 1, the utility model discloses a kind of Lamp cup for the LED lamp, comprise cup 1, cup 1 top is provided with the perforate 2 that can make light source put into cup 1, and cup 1 bottom is provided with the opening that light is penetrated, the external surface shape of cup 1 is the shape of rotational symmetric continuous curve surface, and certainly, above-mentioned shape is the preferred of this example, the shape of cup 1 also can be other shape that is fit to, such as spheric, trapezoidal shape, cuboid etc., can also be compound curved surface, even shape arbitrarily.
Extremely shown in Figure 4 such as Fig. 2, in this specific embodiment, the inwall of cup 1 is joined by the identical reflective cambered surface 7 in four sides and consists of, and this reflective cambered surface 7 is uniform around cup 1 central axis, this reflective cambered surface 7 comprises the optically focused cambered surface that is positioned at upper inside wall and is positioned at the astigmatic cambered surface of inwall bottom, upper inside wall among the application refers to the part close with perforate 2, and the inwall bottom refers to the part close with the opening of cup 1 bottom, and the perforate 2 at cup 1 top is square hole, reflective cambered surface 7 is corresponding with every one side of this square hole respectively, said structure is the application's preferred embodiment, the quantity of reflective cambered surface 7 does not consist of restriction of the present utility model, reflective cambered surface 7 can also be made of three or five etc., because reflective cambered surface 7 is four sides and uniform around cup 1 central axis in this specific embodiment, thereby, optically focused cambered surface and reflective cambered surface 7 also are respectively four sides and uniform around cup 1 central axis, in order to reach good spotlight effect, the light-emitting area of led light source also will with the optically focused cambered surface over against, thereby the main light that led light source sends can both send through the reflection of optically focused cambered surface, thereby reach good spotlight effect, certainly led light source is in focus position spotlight effect the best, because each optically focused cambered surface has a focus, because corresponding each focus position need to arrange place's led light source, and in order to realize above-mentioned setting, the utility model is in being applied to light fixture the time, preferably be used in conjunction with adopting the foursquare tubulose lamp bracket 3 in cross section, as shown in Figure 3, lamp bracket 3 is arranged in the square hole that matches with lamp bracket 3 cross sections, and every one side of lamp bracket 3 and corresponding reflective cambered surface 7 over against, and can guarantee that the led light source 4 on lamp bracket 3 every one sides is positioned at four focuses of four optically focused cambered surfaces simultaneously, thus every one side of square hole also will with corresponding reflective cambered surface 7 over against.Certainly, perforate 2 is that square hole only is the application's preferred embodiment, and perforate 2 also can be circular hole or the cross section is other polygonal perforate 2 etc.In addition, led light source 4 described in the utility model can be that single led chip consists of, and also can be the chipset that a plurality of led chip arrays consist of.
As shown in Figure 5 and Figure 6, in this specific embodiment, reflective cambered surface 7 is quadratic surface or parabola, and its vertical section outline line is conic section or parabolic curve, certain reflective cambered surface 7 also can be other continuous curve surface, and the optically focused cambered surface comprises the plane reflecting unit 5 that several join continuously; The astigmatism cambered surface comprises the convex surface reflecting unit 6 that several join continuously, thereby on the microcosmic, reflective cambered surface 7 is made of a lot of pieces small plane reflecting unit 5 and convex surface reflecting unit 6 continuous arrangements, but, see that from integral body reflective cambered surface 7 still has parabolic or bi-curved profile, because parabola or hyperboloid are continuous curve surface, thereby consist of the plane reflecting unit 5 of above-mentioned curved surface and convex surface reflecting unit 6 must continuous arrangements, thereby adjacent two plane reflecting units 5 or 6 of convex surface reflecting units have a small angle and change, thereby can be arranged in continuous curve surface, thereby the light that led light source 4 sends is after continuous plane reflecting unit 5 and 6 reflections of convex surface reflecting unit, the light of reflection can change and evenly distributes along continuous angle, thereby forms on the whole uniformly light-emitting and without defectives such as blackspots.
Above-mentionedly just preferred embodiments more of the present utility model are illustrated and describe; but embodiment of the present utility model is not restricted to the described embodiments; as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (5)
1. Lamp cup that is used for the LED lamp, comprise cup, the cup top is provided with the perforate that can make light source put into cup, and bottom of cup is provided with the opening that light is penetrated, it is characterized in that: described cup inwall comprises at least two reflective cambered surfaces of joining, this reflective cambered surface comprises the optically focused cambered surface that is positioned at the cup upper inside wall and is positioned at the astigmatic cambered surface of cup inwall bottom, and this optically focused cambered surface comprises the plane reflecting unit that several join continuously; And should the astigmatism cambered surface comprise the convex surface reflecting unit that several join continuously.
2. a kind of Lamp cup for the LED lamp according to claim 1 is characterized in that: the inwall of described cup is joined by the identical described reflective cambered surface in four sides and consists of, and this reflective cambered surface is uniform around the cup central axis.
3. a kind of Lamp cup for the LED lamp according to claim 2, it is characterized in that: described perforate is square hole, described reflective cambered surface is corresponding with every one side of this square hole respectively.
4. a kind of Lamp cup for the LED lamp according to claim 1, it is characterized in that: described reflective cambered surface is quadratic surface, and its vertical section outline line is conic section.
5. a kind of Lamp cup for the LED lamp according to claim 1 is characterized in that: described reflective cambered surface is for parabolic, and its vertical section outline line is parabolic curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203204261U CN202708985U (en) | 2012-07-04 | 2012-07-04 | Lamp cup used for light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203204261U CN202708985U (en) | 2012-07-04 | 2012-07-04 | Lamp cup used for light-emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708985U true CN202708985U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203204261U Expired - Fee Related CN202708985U (en) | 2012-07-04 | 2012-07-04 | Lamp cup used for light-emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN202708985U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798079A (en) * | 2012-07-04 | 2012-11-28 | 特殊光电科技(中山)有限公司 | Lamp cup for LED (light-emitting diode) lamp |
| CN104214601A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Illuminating device for shadowless lamp and shadowless lamp with same |
| CN104214553A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Light source module for shadowless lamp and shadowless lamp with same |
| CN104214554A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Illuminating device for shadowless lamp and shadowless lamp with same |
| CN111698406A (en) * | 2020-06-10 | 2020-09-22 | 奇迹多(深圳)数字技术有限公司 | Lamp cup, light filling lamp and camera |
| CN113294752A (en) * | 2021-05-21 | 2021-08-24 | 深圳恒之源技术股份有限公司 | Spotlight throws illumination lamps and lanterns |
-
2012
- 2012-07-04 CN CN2012203204261U patent/CN202708985U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798079A (en) * | 2012-07-04 | 2012-11-28 | 特殊光电科技(中山)有限公司 | Lamp cup for LED (light-emitting diode) lamp |
| CN104214601A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Illuminating device for shadowless lamp and shadowless lamp with same |
| CN104214553A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Light source module for shadowless lamp and shadowless lamp with same |
| CN104214554A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Illuminating device for shadowless lamp and shadowless lamp with same |
| CN104214601B (en) * | 2013-05-31 | 2019-01-15 | 北京谊安医疗系统股份有限公司 | Lighting device for shadowless lamp and the shadowless lamp with it |
| CN111698406A (en) * | 2020-06-10 | 2020-09-22 | 奇迹多(深圳)数字技术有限公司 | Lamp cup, light filling lamp and camera |
| CN113294752A (en) * | 2021-05-21 | 2021-08-24 | 深圳恒之源技术股份有限公司 | Spotlight throws illumination lamps and lanterns |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20160704 |