CN101619810A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN101619810A CN101619810A CN200810127931A CN200810127931A CN101619810A CN 101619810 A CN101619810 A CN 101619810A CN 200810127931 A CN200810127931 A CN 200810127931A CN 200810127931 A CN200810127931 A CN 200810127931A CN 101619810 A CN101619810 A CN 101619810A
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- lighting device
- reflecting
- luminescence unit
- reflector element
- heat transfer
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Abstract
The invention discloses a lighting device, comprising a light-emitting unit, a reflecting unit and a heat transfer component; wherein, the light-emitting unit is applicable to providing lighting beams; the reflecting unit is configured on the transfer path of the lighting beams and is provided with a reflecting surface to reflect the lighting beams; the chief ray of the lighting beams is transferred to the reflecting surface; the heat transfer component is connected between the light-emitting unit and the reflecting unit to transfer the heat generated by the light-emitting unit to the reflecting unit. As the reflecting unit integrates the functions of light reflecting and heat dissipating, the shape and light shape of the lighting device feature relatively high design flexibility.
Description
Technical field
The invention relates to a kind of lighting device, and particularly relevant for a kind of reflecting typed illuminating apparatus.
Background technology
(light-emitting diode LED) has, advantages such as volume little, high shock resistance and low power consumption long such as the life-span to light emitting diode, therefore has been widely used to be indicator in the various device or light source.In recent years, light emitting diode is gradually towards multicolour and high brightness development, so its application has extended to large-scale billboards, traffic signal light and association area.In future, light emitting diode even may become the main lighting source that has power saving and environment-friendly function concurrently.
In general, when light emitting diode is applied to lighting apparatus,, can limit the external form of lighting apparatus usually in order to solve the problem of heat radiation.For instance, when light emitting diode is applied to general light fixture, in order to solve the heat dissipation problem of light emitting diode, must be with huge heat abstractor and light-emitting diodes pipe jointing.Thus, just can limit the external form of light fixture, even limit the light type of light fixture, and can't that works changes arbitrarily as the external form of the light fixture that adopts conventional bulb.
Summary of the invention
The invention provides a kind of lighting device, the design flexibility of its external form and light type is higher.
The present invention proposes a kind of lighting device, and it comprises luminescence unit, reflector element and heat transfer element.Luminescence unit is suitable for providing illuminating bundle.Reflector element is disposed on the bang path of illuminating bundle.Reflector element has reflecting surface so that illuminating bundle is reflected, and wherein the chief ray of illuminating bundle can be passed to reflecting surface.Heat transfer element is connected between luminescence unit and the reflector element, so that the heat that luminescence unit was produced is passed to reflector element.
In one embodiment of this invention, reflecting surface comprises curved surface or plane.
In one embodiment of this invention, the chief ray oblique incidence reflecting surface of illuminating bundle.
In one embodiment of this invention, reflector element comprises radiating part and reflecting part.Radiating part is connected with heat transfer element.Reflecting part is disposed on the radiating part, and wherein reflecting surface is to be positioned on the reflecting part.
In one embodiment of this invention, reflecting part comprises substrate and reflecting layer.Substrate is disposed on the radiating part.The reflecting layer is disposed on the substrate to form reflecting surface.
In one embodiment of this invention, reflecting surface and radiating part are positioned at relative two sides of reflecting part respectively.
In one embodiment of this invention, radiating part has joint face and radiating surface.Reflecting part is disposed on the joint face.Radiating surface and joint face mutually back to, wherein radiating part has a plurality of louvres, and louvre is positioned at radiating surface.
In one embodiment of this invention, the aperture of these louvres is along with these louvres successively decrease away from heat transfer element successively.
In one embodiment of this invention, luminescence unit comprises at least one light emitting diode.Light emitting diode is suitable for sending illuminating bundle.
In one embodiment of this invention, luminescence unit also comprises lamp socket.Light emitting diode is disposed on the lamp socket.
In one embodiment of this invention, heat transfer element is a heat pipe, and it has a relative evaporation ends and a condensation end.Evaporation ends is connected to luminescence unit, and condensation end is connected to reflector element.
In one embodiment of this invention, evaporation ends is embedded in luminescence unit, and condensation end is embedded in reflector element.
In one embodiment of this invention, heat transfer element is a loop heat pipe.Loop heat pipe comprises evaporimeter, condenser, first fluid transfer tube and second fluid transfer pipe.Evaporimeter is connected with luminescence unit.Condenser is connected with reflector element.The first fluid transfer tube is connected between evaporimeter and the condenser.Second fluid transfer pipe is connected between evaporimeter and the condenser.
In one embodiment of this invention, evaporimeter places luminescence unit, and condenser places reflector element.
In one embodiment of this invention, lighting device also comprises at least one bracing frame.Bracing frame is connected between luminescence unit and the reflector element.
In one embodiment of this invention, bracing frame has the part of ccontaining groove with ccontaining heat transfer element.
In the lighting device of one embodiment of the invention, because reflector element combines reflection function and heat sinking function, can reach by the surface curvature that changes reflector element and change light-changing type and do not influence radiating effect, therefore the design flexibility of the external form of lighting device and light type is higher, and can change the different demands of light type along with different occasions or area.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Figure 1A is the schematic perspective view of the lighting device of first embodiment of the invention.
Figure 1B is the schematic perspective view of another angle of the lighting device of Figure 1A.
Fig. 1 C is the side view of the lighting device of Figure 1A.
Fig. 2 A illustrates the schematic perspective view into the lighting device of second embodiment of the invention
Fig. 2 B is the generalized section of the lighting device that illustrated along the I-I hatching line.
Fig. 2 C is the structural representation of the loop heat pipe among Fig. 2 A.
The main element symbol description:
100,200: lighting device
110: luminescence unit
112: illuminating bundle
114: light emitting diode
116: lamp socket
118: loading plate
120: reflector element
120a: reflecting surface
122: radiating part
122a: joint face
122b: radiating surface
124: reflecting part
124a: substrate
124b: reflecting layer
122c: louvre
130,230: heat transfer element
132: evaporation ends
134: condensation end
140: bracing frame
142: ccontaining groove
231: porous body
232: evaporimeter
232a: shell
233: working fluid
234: condenser
236a: first fluid transfer tube
236b: second fluid transfer pipe
A: aperture
C: passage
The specific embodiment
In this manual, the chief ray of light beam is defined as the light of advancing along the optical axis of this light beam.
First embodiment
Figure 1A is the schematic perspective view of the lighting device of first embodiment of the invention, and Figure 1B is the schematic perspective view of another angle of the lighting device of Figure 1A, and Fig. 1 C is the side view of the lighting device of Figure 1A.Please also refer to Figure 1A and Figure 1B, the lighting device 100 of present embodiment comprises luminescence unit 110, reflector element 120 and a plurality of heat transfer element 130.Luminescence unit 110 is suitable for providing illuminating bundle 112.Reflector element 120 is disposed on the bang path of illuminating bundle 112.Reflector element 120 has reflecting surface 120a so that illuminating bundle 112 is reflected, and wherein the chief ray of illuminating bundle 112 can be passed to reflecting surface 120a.In the present embodiment, the chief ray oblique incidence reflecting surface 120a of illuminating bundle 112.Heat transfer element 130 is connected between luminescence unit 110 and the reflector element 120, is passed to reflector element 120 with the heat that luminescence unit 110 is produced.
In the present embodiment, luminescence unit 110 comprises a plurality of light emitting diodes 114, and each light emitting diode 114 is suitable for sending illuminating bundle 112.In addition, these light emitting diodes 114 are configurable on loading plate 118, and this loading plate 118 for example is a circuit board.Yet in other embodiments, luminescence unit also can only have light emitting diode.In addition, in the present embodiment, luminescence unit 110 also comprises lamp socket 116, and light emitting diode 114 is disposed on the lamp socket 116.Particularly, light emitting diode 114 can be disposed on the lamp socket 116 by loading plate 118.
In the present embodiment, reflector element 120 comprises radiating part 122 and reflecting part 124.Radiating part 122 is connected with heat transfer element 130.Reflecting part 124 is disposed on the radiating part 122, and wherein reflecting surface 120a is positioned on the reflecting part 124, and reflecting surface 120a and radiating part 122 lay respectively at relative two sides of reflecting part 124.Particularly, reflecting part 124 can comprise substrate 124a and reflecting layer 124b.Substrate 124a is disposed on the radiating part 122, and reflecting layer 124b is disposed at substrate 124a upward to form reflecting surface 120a (being illustrated as Figure 1A).In the present embodiment, reflecting layer 124b for example is a plated film.Yet in other embodiments, the reflecting layer can also be the reflecting paper that is attached on the substrate 124a.
In the present embodiment, radiating part 122 has joint face 122a and radiating surface 122b, and reflecting part 124 is to be disposed on the joint face 122a.Radiating surface 122b and joint face 122a mutually back to, wherein radiating part 122 has a plurality of louvre 122c, it is positioned at radiating surface 122b (illustrating as Figure 1B).In the present embodiment, the aperture A of these louvres 122c is along with these louvres 122c successively decreases away from heat transfer element 130 successively.Yet in other embodiments, these louvres can also have identical in fact aperture, and perhaps the aperture of louvre can also change with other rules, or changes brokenly.
In the present embodiment, each heat transfer element 130 for example is a heat pipe, and it has relative evaporation ends 132 and condensation end 134.Evaporation ends 132 is connected to luminescence unit 110, and condensation end 134 is connected to reflector element 120.In the present embodiment, evaporation ends 132 is embedded in luminescence unit 110, and condensation end 134 is embedded in reflector element 120.Particularly, evaporation ends 132 can be embedded in light emitting diode 114 belows, and condensation end 134 can be embedded in radiating part 122, or is embedded between radiating part 122 and the reflecting part 124.
In the present embodiment, lighting device 100 also comprises a plurality of bracing frames 140, and it is connected between luminescence unit 110 and the reflector element 120.Each bracing frame 140 can have the part of ccontaining groove 142 with ccontaining heat transfer element 130.
In the present embodiment, reflecting surface 120a is a curved surface, and Figure 1A person of illustrating is to be example with the convex surface, so that illuminating bundle 122 is dispersed.Yet in other embodiments, reflecting surface can also be the concave surface that can make the illuminating bundle convergence, perhaps is the plane.
In the lighting device 100 of present embodiment, because reflector element 120 combines reflection function and heat sinking function, therefore the design flexibility of the external form of lighting device 100 and light type is higher, and can not be subjected to the restriction of huge radiator as external form that has light emitting diode illuminating apparatus now and light type.So the external form of lighting device 100 and light type can change the different demands of light type along with different occasions or area.For example, when more among a small circle illumination of needs, the reflecting surface 120a of reflector element 120 can be designed as the less convex surface of concave surface, plane or curvature, and when the illumination that needs in a big way, reflecting surface 120a can be designed to the bigger convex surface of curvature.In addition, when the demand to the light type changed, when for example being to use occasion to change, the user can pull down reflecting part 124, and changes a reflecting part 124 with reflecting surface 120a of different curvature or different profiles.Thus, just can not need change entire lighting device 100 the light type is changed, so just can save the expense that produces because of the demand change.
Second embodiment
Fig. 2 A illustrates the schematic perspective view into the lighting device of second embodiment of the invention, the generalized section of the lighting device that Fig. 2 B is illustrated along I-I ' hatching line for the lighting device of Fig. 2 A, and Fig. 2 C is the structural representation of the loop heat pipe among Fig. 2 A.Please also refer to Fig. 2 A and Fig. 2 B, lighting device 200 is similar with above-mentioned lighting device 100 (illustrating as Figure 1A) structure, and both difference is as described below.Identical components indicates same-sign, only the two difference be in, lighting device 200 comprises heat transfer element 230, and heat transfer element 230 is for for example being loop heat pipe.This loop heat pipe for example removes device for I206087 number disclosed heat of TaiWan, China patent.Heat transfer element 230 comprises evaporimeter 232, condenser 234, first fluid transfer tube 236a and the second fluid transfer pipe 236b.Evaporimeter 232 is connected with luminescence unit 110, and condenser 234 is connected with reflector element 120.First fluid transfer tube 236a is connected between evaporimeter 232 and the condenser 234.The second fluid transfer pipe 236b is connected between evaporimeter 232 and the condenser 234.In the present embodiment, evaporimeter 232 places luminescence unit 110, and condenser 234 places reflector element 120.Particularly, evaporimeter 232 can be connected in loading plate 118 times, and condenser 234 places in the radiating part 122 of reflector element 120, or places between radiating part 122 and the reflecting part 124.
In the present embodiment, evaporimeter 232 is inner configurable a porous body 231.Porous body 231 inside can be equipped with working fluid 233, and working fluid 233 can comprise water, acetone, ammoniacal liquor, cooling agent, how Mi Liuti or its combination.Porous body 231 can provide capillary force and the working fluid 233 that it is inner is adsorbed among the shell 232a and the channel C between the porous body 231 of evaporimeter 232.Heat from light emitting diode 114 and luminescence unit 110 can import porous body 231 from shell 232a, and the liquid working fluid 233 in the porous body 231 is vaporizated into gaseous working fluid 233.Gaseous working fluid 233 can be sent in the condenser 234 via first fluid transfer tube 236a.Condenser 234 can disengage gaseous working fluid 233 entrained heat to air by reflector element 120, and makes gaseous working fluid 233 be condensed into liquid working fluid 233.Liquid working fluid 233 can send back porous body 231 inside via the second fluid transfer pipe 236b, and so far working fluid 233 is finished a circulation.Constantly circulate by working fluid 233, just can be passed to the external world efficiently from the heat of light emitting diode 114 and luminescence unit 110.
In the present embodiment, condenser 234 is the central authorities that are embedded in reflector element 120, but the present invention is not as limit.In other embodiments, condenser can be other suitable shapes and be connected with reflector element in other suitable modes.For example, condenser can extend round in reflector element inside, and condenser can be evenly distributed in reflector element inside haply.
In sum, in the lighting device of one embodiment of the invention, because reflector element combines reflection function and heat sinking function, so the design flexibility of the external form of lighting device and light type is higher, and can change the different demands of light type along with different occasions or area.In addition, when the demand to the light type changed, the user can pull down reflecting part, and changes a reflecting part with reflecting surface of different curvature or different profiles.Thus, just can not need change entire lighting device the light type is changed, so just can save the expense that produces because of the demand change.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (16)
1. a lighting device is characterized in that, comprising:
Luminescence unit is suitable for providing illuminating bundle;
Reflector element is disposed on the bang path of this illuminating bundle, and has reflecting surface, and so that this illuminating bundle is reflected, wherein the chief ray of this illuminating bundle can be passed to this reflecting surface; And
Heat transfer element is connected between this luminescence unit and this reflector element, so that the heat that this luminescence unit was produced is passed to this reflector element.
2. lighting device as claimed in claim 1 is characterized in that this reflecting surface comprises curved surface or plane.
3. lighting device as claimed in claim 1 is characterized in that, this reflecting surface of chief ray oblique incidence of this illuminating bundle.
4. lighting device as claimed in claim 1 is characterized in that, this reflector element comprises:
Radiating part is connected with this heat transfer element; And
Reflecting part is disposed on this radiating part, and wherein this reflecting surface is to be positioned on this reflecting part.
5. lighting device as claimed in claim 4 is characterized in that, this reflecting part comprises:
Substrate is disposed on this radiating part; And
The reflecting layer is disposed on this substrate, to form this reflecting surface.
6. lighting device as claimed in claim 4 is characterized in that, this reflecting surface and this radiating part are positioned at relative two sides of this reflecting part respectively.
7. lighting device as claimed in claim 4 is characterized in that, this radiating part has:
Joint face, wherein this reflecting part is to be disposed on this joint face; And
Radiating surface, with this joint face mutually back to, wherein this radiating part has a plurality of louvres, is positioned at this radiating surface.
8. lighting device as claimed in claim 7 is characterized in that, the aperture of those louvres is along with those louvres successively decrease away from this heat transfer element successively.
9. lighting device as claimed in claim 1 is characterized in that this luminescence unit comprises at least one light emitting diode, and it is suitable for sending this illuminating bundle.
10. lighting device as claimed in claim 9 is characterized in that this luminescence unit also comprises lamp socket, and this light emitting diode is disposed on this lamp socket.
11. lighting device as claimed in claim 1 is characterized in that, this heat transfer element is a heat pipe, and it has a relative evaporation ends and a condensation end, and this evaporation ends is connected to this luminescence unit, and this condensation end is connected to this reflector element.
12. lighting device as claimed in claim 11 is characterized in that, this evaporation ends is embedded in this luminescence unit, and this condensation end is embedded in this reflector element.
13. lighting device as claimed in claim 11 is characterized in that, this heat transfer element is a loop heat pipe, and this loop heat pipe comprises:
Evaporimeter is connected with this luminescence unit;
Condenser is connected with this reflector element;
The first fluid transfer tube is connected between this evaporimeter and this condenser; And
Second fluid transfer pipe is connected between this evaporimeter and this condenser.
14. lighting device as claimed in claim 13 is characterized in that, this evaporimeter places this luminescence unit, and this condenser places this reflector element.
15. lighting device as claimed in claim 1 is characterized in that, also comprises at least one bracing frame, is connected between this luminescence unit and this reflector element.
16. lighting device as claimed in claim 15 is characterized in that, this bracing frame has a ccontaining groove, with the part of ccontaining this heat transfer element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810127931A CN101619810A (en) | 2008-07-01 | 2008-07-01 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810127931A CN101619810A (en) | 2008-07-01 | 2008-07-01 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101619810A true CN101619810A (en) | 2010-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810127931A Pending CN101619810A (en) | 2008-07-01 | 2008-07-01 | Lighting device |
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| Country | Link |
|---|---|
| CN (1) | CN101619810A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988013A (en) * | 2011-12-06 | 2014-08-13 | 首尔半导体株式会社 | LED lighting apparatus |
| CN104566182A (en) * | 2015-01-26 | 2015-04-29 | 欧普照明股份有限公司 | Light blocking plate and lighting lamp with same |
| CN106169550A (en) * | 2016-09-30 | 2016-11-30 | 中聚（杭州）新能源科技有限公司 | Prismatic battery module |
| CN111656090A (en) * | 2018-01-30 | 2020-09-11 | 海拉有限双合股份公司 | Headlamp for vehicle with cooling device for semiconductor lighting mechanism |
-
2008
- 2008-07-01 CN CN200810127931A patent/CN101619810A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988013A (en) * | 2011-12-06 | 2014-08-13 | 首尔半导体株式会社 | LED lighting apparatus |
| CN103988013B (en) * | 2011-12-06 | 2016-07-13 | 首尔半导体株式会社 | LED light device |
| US9683709B2 (en) | 2011-12-06 | 2017-06-20 | Seoul Semiconductor Co., Ltd. | LED lighting apparatus |
| CN104566182A (en) * | 2015-01-26 | 2015-04-29 | 欧普照明股份有限公司 | Light blocking plate and lighting lamp with same |
| CN106169550A (en) * | 2016-09-30 | 2016-11-30 | 中聚（杭州）新能源科技有限公司 | Prismatic battery module |
| CN106169550B (en) * | 2016-09-30 | 2019-06-21 | 中聚（杭州）新能源科技有限公司 | Column battery mould group |
| CN111656090A (en) * | 2018-01-30 | 2020-09-11 | 海拉有限双合股份公司 | Headlamp for vehicle with cooling device for semiconductor lighting mechanism |
| CN111656090B (en) * | 2018-01-30 | 2022-07-12 | 海拉有限双合股份公司 | Headlamp for vehicle with cooling device for semiconductor lighting mechanism |
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Open date: 20100106 |