CN102147060B - Lamp - Google Patents
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- CN102147060B CN102147060B CN2010101140082A CN201010114008A CN102147060B CN 102147060 B CN102147060 B CN 102147060B CN 2010101140082 A CN2010101140082 A CN 2010101140082A CN 201010114008 A CN201010114008 A CN 201010114008A CN 102147060 B CN102147060 B CN 102147060B
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- light
- reflection lampshade
- light fixture
- fixture according
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a lamp which comprises a reflector lamp shade and a plurality of light emitting modules. The reflector lamp shade is provided with a bottom part and a light emitting section. One part of each light emitting module is arranged in the reflector lamp shade; and each light emitting module comprises a bearing plate and a plurality of light emitting components. The light emitting components are arranged on the bearing plate. One part of each light emitting component is positioned in the reflector lamp shade and is positioned between the bottom part and the light emitting section, and another part of each light emitting component is exposed out of the reflector lamp shade.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of light fixture.
Background technology
Along with the progress of semiconductor technology, the power that light emitting diode (light-emitting diode, LED) can reach is increasing, and the light intensity that sends is more and more higher.The advantages such as in addition, light emitting diode also has power saving, long service life, environmental protection, startup is quick, volume is little.Therefore, light emitting diode also is widely used in the products such as lighting apparatus, traffic lights, display, optical mouse, and replaces gradually in addition the trend of traditional fluorescent light fixture.
Light emitting diode has directive property (directivity), and namely its light that sends is concentrated on some directions.When light emitting diode is used for general illumination, usually must make light emitting diode do suitable arrangement, so that light can the different direction of directive, and then make can both be shone by light in the environment everywhere as far as possible.
In a kind of existing led lamp, light emitting diode is arranged into a relative symmetry axis Rotational Symmetry, make light that light emitting diode sends along the radial radiation perpendicular to this symmetry axis.Yet because light all concentrates on radially, therefore this led lamp has the problem in axial (along the direction of symmetry axis) illumination deficiency.For example, if when being installed on this kind led lamp on the ceiling, meeting so that led lamp under illumination not enough, can be unfavorable for that so the user reads or be engaged in the activity that other need adequate illumination.
The light emitting diode that another kind of existing led lamp has additionally increased other light emission directions solves the problems referred to above, and the light that the light emitting diode of these other light emission directions sends can be along axially sending.Yet the light emitting diode that has increased other light emission directions must adopt the circuit board of other configuration directions simultaneously, and this can cause the internal structure of led lamp too complicated, be unfavorable for heat radiation, and the cost of led lamp is improved.
Summary of the invention
The invention provides a kind of light fixture, it can provide enough illuminations in a plurality of directions simultaneously.
One embodiment of the invention proposes a kind of light fixture, and it comprises a reflection lampshade and a plurality of illuminating module (light module).Reflection lampshade has a bottom and and goes out optical cross-section.The part of each illuminating module is disposed in the reflection lampshade, and each illuminating module comprises a loading plate and a plurality of light-emitting component.These light-emitting components are disposed on the loading plate.The part of these light-emitting components is positioned at reflection lampshade, and in the bottom and go out between the optical cross-section, and another part of these light-emitting components is exposed to outside the reflection lampshade.
In an embodiment of the present invention, each light-emitting component has an optical axis, and these optical axises of these light-emitting components are parallel to optical cross-section.
In an embodiment of the present invention, each light-emitting component for example is a light emitting diode.
In an embodiment of the present invention, these light-emitting components of each illuminating module are along arranging perpendicular to the direction that goes out optical cross-section.
In an embodiment of the present invention, these illuminating module dispose by the central axis that goes out optical cross-section around one.
In an embodiment of the present invention, light fixture also comprises a radiating seat, and the part of radiating seat is disposed in the reflection lampshade, and these illuminating module are disposed on the radiating seat.Radiating seat can have a plurality of grooves, and these illuminating module are disposed at respectively in these grooves.These grooves can be along extending perpendicular to the direction that goes out optical cross-section.
In an embodiment of the present invention, light fixture also comprises one drive circuit, and it is disposed at the bottom of reflection lampshade, and is arranged in reflection lampshade, and drive circuit is electrically connected to these illuminating module.Light fixture can also comprise an electrical joint, and it is disposed on the bottom, and is positioned at outside the reflection lampshade, and wherein electrically joint is electrically connected to drive circuit.
In an embodiment of the present invention, light fixture also comprises a transparent lamp shade, and it is disposed on the reflection lampshade, and the another part that wherein is exposed to these outer light-emitting components of reflection lampshade is contained in the transparent lamp shade.Transparent lamp shade can have a plurality of ventilative openings, and these ventilative openings run through transparent lamp shade.
In an embodiment of the present invention, reflection lampshade has a reflecting surface, and it is positioned at the inwall of reflection lampshade.To be positioned at the light that these light-emitting components of reflection lampshade send by reflecting surface and reflex to out optical cross-section, and be positioned at the light that the part of these light-emitting components of reflection lampshade sends can be by going out optical cross-section toward the direction transmission away from the bottom.Reflecting surface for example is concave surface.Reflection lampshade can have a plurality of ventilative openings, and these ventilative openings run through reflection lampshade.
Another embodiment of the present invention proposes a kind of light fixture, and it comprises above-mentioned reflection lampshade and above-mentioned illuminating module and a transparent lamp shade.Each illuminating module disposes by the central axis that goes out optical cross-section around one.Transparent lamp shade is disposed on the reflection lampshade, and the above-mentioned another part that wherein is exposed to the outer light-emitting component of above-mentioned reflection lampshade is contained in the above-mentioned transparent lamp shade.
Based on above-mentioned, in the light fixture of the embodiment of the invention, the part of these light-emitting components of each illuminating module is positioned at reflection lampshade, and another part is exposed to outside the reflection lampshade.The light that sends owing to the light-emitting component that is positioned at reflection lampshade can be reflected the lampshade reflection, and directive is away from the direction of the bottom of reflection lampshade, and be exposed to then directive other direction of light that the outer light-emitting component of reflection lampshade sends, so the light fixture of the embodiment of the invention can provide enough illuminations in a plurality of directions simultaneously.
For the above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate accompanying drawing to be described in detail below.
Description of drawings
Figure 1A is the stereogram of the light fixture of one embodiment of the invention.
Figure 1B is the profile that the light fixture of Figure 1A cuts along central axis C.
Fig. 2 A is the explosive view of the light fixture of Figure 1A.
Fig. 2 B is the stereogram of light fixture after removing transparent lamp shade of Figure 1A.
Main description of reference numerals:
100: light fixture; 110: reflection lampshade;
112: the bottom; 114: go out optical cross-section;
116: reflecting surface; 118,164: ventilative opening;
120: illuminating module; 122: loading plate;
124,124a, 124b: light-emitting component; 125: optical axis;
127,127a, 127b: light; 130: radiating seat;
132: groove; 140: drive circuit;
150: electrical joint; 160: transparent lamp shade;
162: the top; C: central axis.
The specific embodiment
Figure 1A is the stereogram of the light fixture of one embodiment of the invention, and Figure 1B is the profile that the light fixture of Figure 1A cuts along central axis C, and Fig. 2 A is the explosive view of the light fixture of Figure 1A, and Fig. 2 B is the stereogram of light fixture after removing transparent lamp shade of Figure 1A.Please refer to Figure 1A, Figure 1B, Fig. 2 A and Fig. 2 B, the light fixture 100 of present embodiment comprises a reflection lampshade 110 and a plurality of illuminating module 120.Reflection lampshade 110 has a bottom 112 and and goes out optical cross-section 114.The part of each illuminating module 120 is disposed in the reflection lampshade 110, and each illuminating module 120 comprises a loading plate 122 and a plurality of light-emitting component 124.These light-emitting components 124 are disposed on the loading plate 122.In the present embodiment, each light-emitting component 124 is a light emitting diode for example, and loading plate 122 for example is a circuit board.
In the present embodiment, each light-emitting component 124 has an optical axis 125, and these optical axises 125 of these light-emitting components 124 are parallel in fact optical cross-section 114.In addition, in the present embodiment, these light-emitting components 124 of each illuminating module 120 are along arranging perpendicular to the direction that goes out optical cross-section 114 in fact.The part of these light-emitting components 124 (for example light-emitting component 124a) is positioned at reflection lampshade 110, and in bottom 112 and go out between the optical cross-section 114, and another part of these light-emitting components 124 (for example light-emitting component 124b) is exposed to outside the reflection lampshade 110.
In the present embodiment, these illuminating module 120 dispose by the central axis C that goes out optical cross-section 114 around one.In addition, in the present embodiment, light fixture 100 also comprises a radiating seat 130, and the part of radiating seat 130 is disposed in the reflection lampshade 110, and these illuminating module 120 are disposed on the radiating seat 130.In the present embodiment, another part of radiating seat 130 is exposed to outside the reflection lampshade 110.The material of radiating seat 130 for example is metal or the higher material of other thermal conductivity factors, and radiating seat 130 is suitable for the thermal conductance that light-emitting component 124 produces is gone out.In the present embodiment, radiating seat 130 can have a plurality of grooves 132, and illuminating module 120 is disposed at respectively in above-mentioned each groove 132, if its configuration mode can go out the thermal conductance that light-emitting component 124 produces, special restriction is not then arranged, the mode such as, clamping bonding such as can be, screw lock.Above-mentioned each groove 132 can be along extending perpendicular to the direction that goes out optical cross-section 114 in fact.
In the present embodiment, light fixture 100 also comprises one drive circuit 140, and it is disposed at the bottom of reflection lampshade 110, and is arranged in reflection lampshade 110.Drive circuit 140 is electrically connected to these illuminating module 120, and is luminous to order about light-emitting component 124.In the present embodiment, drive circuit 140 for example is the one drive circuit plate.Light fixture 100 can also comprise an electrical joint 150, and it is disposed on the bottom 112, and is positioned at outside the reflection lampshade 110, and wherein electrically joint 150 is electrically connected to drive circuit 140.In the present embodiment, electrically joint 150 can be electrically connected with external power source, for example is electrical joint 150 is screwed in the lamp socket (not shown).
In the present embodiment, light fixture 100 also comprises a transparent lamp shade 160, and it is disposed on the reflection lampshade 110, and the another part (for example light-emitting component 124b) that wherein is exposed to these light-emitting components 124 outside the reflection lampshade 110 is contained in the transparent lamp shade 160.The light 127 that light-emitting component 124 (such as light-emitting component 124a and 124b) sends (the light 127b that the light 127a that sends such as light-emitting component 124a and light-emitting component 124b send) can be passed to the external world by transparent lamp shade 160.
In the present embodiment, reflection lampshade 110 has a reflecting surface 116, and it is positioned at the inwall of reflection lampshade 110.To be positioned at the light 127a that these light-emitting components 124 (such as light-emitting component 124a) of reflection lampshade 110 send by reflecting surface 116 and reflex to out optical cross-section 114, and light 127a can be by going out optical cross-section 114 toward the direction transmission away from bottom 112.In the present embodiment, light 127a can be then top 162 by transparent lamp shade 160 be passed to the external world.In the present embodiment, reflecting surface 116 for example is concave surface, penetrates to extraneous direction to adjust light 127a.Yet in other embodiments, reflecting surface 116 also can be the surface of plane, convex surface or other shapes.In the present embodiment, reflection lampshade 110 for example is to make with plastic cement material, and its inwall is by electroplating or the spraying reflectance coating, to form reflecting surface 116.Yet in other embodiments, reflection lampshade 110 also can be made with metal or other materials.
In the light fixture 100 of present embodiment, the light 127b that light-emitting component 124b sends can directly penetrate to extraneous by transparent lamp shade 160, that is extremely extraneous along the radial radiation perpendicular to central axis C.On the other hand, the light 127a that light-emitting component 124a sends then can be reflected lampshade 110 and reflex to out optical cross-section 114, and be passed to transparent lamp shade 160 along the direction that approximately is parallel to central axis C (namely axial), and then be passed to the external world by transparent lamp shade 160.Thus, therefore light fixture 100 when light fixture 100 is used for the general illumination purposes, just can illuminate the regional in the environment comparatively equably radially just can be comparatively approaching with the axial luminous intensity that provides.
In the present embodiment, reflection lampshade 110 can have a plurality of ventilative openings 118, and these ventilative openings 118 run through reflection lampshade 110.Ventilative opening 118 can make the circulation of air of light fixture 100 inside and outside, to promote the heat radiation of light-emitting component 124.In addition, in the present embodiment, transparent lamp shade 160 can have a plurality of ventilative openings 164, and these ventilative openings 164 run through transparent lamp shade 160.Ventilative opening 164 also can make the circulation of air of light fixture 100 inside and outside, to promote the heat radiation of light-emitting component 124.In the present embodiment, ventilative opening 164 for example is the top 162 that is positioned at transparent lamp shade 160, that is the end away from reflection lampshade 110 of transparent lamp shade 160.Ventilative opening 118 for example is all the strip opening with ventilative opening 164.Yet in other embodiments, ventilative opening 118 also can be the opening that is other shapes with ventilative opening 164.
In sum, in the light fixture of the embodiment of the invention, the part of these light-emitting components of each illuminating module is positioned at reflection lampshade, and another part is exposed to outside the reflection lampshade.The light that sends owing to the light-emitting component that is positioned at reflection lampshade can be reflected the lampshade reflection, and directive is away from the direction (as axially) of the bottom of reflection lampshade, and be exposed to then directive other direction (as radially) of light that the outer light-emitting component of reflection lampshade sends, therefore the light fixture of the embodiment of the invention can provide enough illuminations in a plurality of directions simultaneously, for example can make the luminous intensity of axially sending and the luminous intensity of radially sending comparatively approaching.
Although the present invention discloses as above with embodiment; but it is not to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can change arbitrarily or be equal to replacement, so protection scope of the present invention should be as the criterion with the scope that claims of the present invention were defined.
Claims (19)
1. light fixture comprises:
One reflection lampshade has a bottom, and goes out optical cross-section and a reflecting surface, and described reflecting surface is positioned at the inwall of described reflection lampshade; And
A plurality of illuminating module, the part of each illuminating module are disposed in the described reflection lampshade, and each illuminating module comprises: a loading plate; And, a plurality of light-emitting components, be disposed on the described loading plate, the part of wherein said a plurality of light-emitting components is positioned at described reflection lampshade, and in described bottom and describedly go out between the optical cross-section, and another part of described a plurality of light-emitting components is exposed to outside the described reflection lampshade, to be positioned at light that described a plurality of light-emitting components of described reflection lampshade send by described reflecting surface and reflex to the described optical cross-section that goes out, and be positioned at light that the described part of described a plurality of light-emitting components of described reflection lampshade sends and can go out optical cross-section and toward the direction transmission away from described bottom by described.
2. light fixture according to claim 1, wherein each light-emitting component has an optical axis, and described a plurality of optical axises of described a plurality of light-emitting components are parallel to the described optical cross-section that goes out.
3. light fixture according to claim 1, wherein each light-emitting component is a light emitting diode.
4. light fixture according to claim 1, wherein described a plurality of light-emitting components of each illuminating module are along arranging perpendicular to the described direction that goes out optical cross-section.
5. light fixture according to claim 1, wherein said a plurality of illuminating module around one by the described central axis configuration that goes out optical cross-section.
6. light fixture according to claim 1 also comprises a radiating seat, and the part of described radiating seat is disposed in the described reflection lampshade, and described a plurality of illuminating module is disposed on the described radiating seat.
7. light fixture according to claim 6, wherein said radiating seat has a plurality of grooves, and described a plurality of illuminating module is disposed at respectively in described a plurality of groove.
8. light fixture according to claim 7, wherein said a plurality of grooves are along extending perpendicular to the described direction that goes out optical cross-section.
9. light fixture according to claim 1 also comprises one drive circuit, is disposed at the bottom of described reflection lampshade, and is arranged in described reflection lampshade, and described drive circuit is electrically connected to described a plurality of illuminating module.
10. light fixture according to claim 9 also comprises an electrical joint, is disposed on the described bottom, and is positioned at outside the described reflection lampshade, and wherein said electrical joint is electrically connected to described drive circuit.
11. light fixture according to claim 1 also comprises a transparent lamp shade, it is disposed on the described reflection lampshade, and the described another part that wherein is exposed to the outer described a plurality of light-emitting components of described reflection lampshade is contained in the described transparent lamp shade.
12. light fixture according to claim 11, wherein said transparent lamp shade have a plurality of ventilative openings, and described a plurality of ventilative opening runs through described transparent lamp shade.
13. light fixture according to claim 1, wherein said reflecting surface are concave surface.
14. light fixture according to claim 1, wherein said reflection lampshade have a plurality of ventilative openings, and described a plurality of ventilative opening runs through described reflection lampshade.
15. a light fixture comprises:
One reflection lampshade has a bottom and and goes out optical cross-section;
A plurality of illuminating module, the part of each illuminating module is disposed in the described reflection lampshade, and each illuminating module is around one by the described central axis configuration that goes out optical cross-section, and each illuminating module comprises: a loading plate; And, a plurality of light-emitting components are disposed on the described loading plate, and the part of wherein said a plurality of light-emitting components is positioned at described reflection lampshade, and in described bottom and describedly go out between the optical cross-section, and another part of described a plurality of light-emitting components is exposed to outside the described reflection lampshade; And
One transparent lamp shade is disposed on the described reflection lampshade, and the described another part that wherein is exposed to the outer described a plurality of light-emitting components of described reflection lampshade is contained in the described transparent lamp shade.
16. light fixture according to claim 15, wherein each light-emitting component is a light emitting diode.
17. light fixture according to claim 15 also comprises a radiating seat, the part of described radiating seat is disposed in the described reflection lampshade, and described a plurality of illuminating module is disposed on the described radiating seat.
18. light fixture according to claim 17, wherein said radiating seat has a plurality of grooves, and described a plurality of illuminating module is disposed at respectively in described a plurality of groove.
19. light fixture according to claim 18, wherein said a plurality of grooves are along extending perpendicular to the described direction that goes out optical cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101140082A CN102147060B (en) | 2010-02-05 | 2010-02-05 | Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101140082A CN102147060B (en) | 2010-02-05 | 2010-02-05 | Lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102147060A CN102147060A (en) | 2011-08-10 |
| CN102147060B true CN102147060B (en) | 2013-01-02 |
Family
ID=44421458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101140082A Expired - Fee Related CN102147060B (en) | 2010-02-05 | 2010-02-05 | Lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102147060B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494257A (en) * | 2011-12-30 | 2012-06-13 | 上海顿格电子贸易有限公司 | Wide-angle light-emitting diode (LED) ball bubble lamp capable of radiating heat by internal and external natural convection of air |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187740Y (en) * | 2008-02-03 | 2009-01-28 | 邵洪永 | LED lamp |
| DE202009007578U1 (en) * | 2009-01-17 | 2009-08-20 | Chen, Hui-Yu, Daya | Reflector element for a LED lamp |
| CN201306620Y (en) * | 2008-12-09 | 2009-09-09 | 嘉善善银节能科技有限公司 | Light emitting diode (LED) columnar lamp for heat-dissipating lamp bracket |
| CN201344393Y (en) * | 2009-02-20 | 2009-11-11 | 林峻毅 | Cylindrical LED lamp |
| CN201363586Y (en) * | 2009-02-20 | 2009-12-16 | 林峻毅 | Columnar LED lamp |
-
2010
- 2010-02-05 CN CN2010101140082A patent/CN102147060B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187740Y (en) * | 2008-02-03 | 2009-01-28 | 邵洪永 | LED lamp |
| CN201306620Y (en) * | 2008-12-09 | 2009-09-09 | 嘉善善银节能科技有限公司 | Light emitting diode (LED) columnar lamp for heat-dissipating lamp bracket |
| DE202009007578U1 (en) * | 2009-01-17 | 2009-08-20 | Chen, Hui-Yu, Daya | Reflector element for a LED lamp |
| CN201344393Y (en) * | 2009-02-20 | 2009-11-11 | 林峻毅 | Cylindrical LED lamp |
| CN201363586Y (en) * | 2009-02-20 | 2009-12-16 | 林峻毅 | Columnar LED lamp |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2010-9981A 2010.01.14 |
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| Publication number | Publication date |
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| CN102147060A (en) | 2011-08-10 |
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