CN103727423A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN103727423A CN103727423A CN201210388471.5A CN201210388471A CN103727423A CN 103727423 A CN103727423 A CN 103727423A CN 201210388471 A CN201210388471 A CN 201210388471A CN 103727423 A CN103727423 A CN 103727423A
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- Prior art keywords
- barrel
- lighting device
- sleeve
- platform
- light
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a lighting device, which comprises a sleeve, a light-emitting element, a driver and a light guide rod. The sleeve is made of heat-conducting and insulating material. The sleeve comprises a platform, a first cylinder part and a second cylinder part. The first barrel portion and the second barrel portion are connected to opposite sides of the platform. The inner side of the first cylinder part and a first surface of the platform define a first accommodating space, and the inner side of the second cylinder part and a second surface of the platform define a second accommodating space. The light-emitting element is arranged in the first accommodating space and substantially leans against the first surface of the platform. The driver is contactably disposed in the second accommodating space of the sleeve. The light guide rod is arranged in the first accommodating space and partially protrudes out of the first cylinder part, and the light emitting surface of the light emitting element faces the light guide rod.
Description
Technical field
The invention relates to a kind of lighting device, and particularly relevant for a kind of lighting device with radiating component.
Background technology
Conventional illuminator all provides light source by fluorescent lamp and incandescent lamp bulb.Because the luminous efficiency of light emitting diode (LightEmitting Diode, be called for short LED) improves constantly, make light emitting diode have the trend that replaces gradually fluorescent lamp and incandescent lamp bulb and be applied in lighting device.Light emitting diode and conventional bulb have absolute advantage in comparison,, life-span length, low-voltage/current drives little such as volume, be difficult for breaking, containing characteristics such as mercury (there is no pollution problem) and luminous efficiencies good (power saving).No matter be fluorescent lamp, incandescent lamp bulb or light emitting diode, along with the raising that brightness of illumination is required, the radiating efficiency of lighting device has become the key factor of the reliability that affects lighting device.
Therefore, the good aluminium of heat dissipating is widely used in making the radiating component of lighting device.But, because aluminium has conduction property and density compared with large and be unfavorable for the design of lighting device.
Summary of the invention
The invention provides a kind of lighting device, there is member designs and the light and handy characteristic of weight of simplifying.
The present invention proposes a kind of lighting device, comprises a sleeve, a light-emitting component, a driver and a lamp guide.The material of sleeve is heat-conducting insulation material.Sleeve comprises a platform, one first barrel and one second barrel.The first barrel and the second barrel are connected to the relative both sides of platform.One first surface of the inner side of the first barrel and platform defines one first accommodation space, and one second face of the inner side of the second barrel and platform defines one second accommodation space.Light-emitting component is arranged in the first accommodation space, and bears against in fact on the first surface of platform.Driver can be arranged in the second accommodation space of sleeve contiguously.Lamp guide is arranged in the first accommodation space and partly protrudes out outside the first barrel, and the light-emitting area of light-emitting component is towards lamp guide.
In one embodiment of this invention, above-mentioned platform has a perforation, and a connecting line runs through perforation so that light-emitting component is electrically connected with driver.
In one embodiment of this invention, the first barrel can have a plurality of locking holes, and a plurality of locking part passes respectively locking hole to be fixed in the lamp guide in the first accommodation space.For example, the first barrel can have a first paragraph and a second segment, and wherein first paragraph is between platform and second segment, and one first A/F that first paragraph has is less than in fact one second A/F that second segment has.In addition, the second A/F in fact for example can be greater than the width of lamp guide.First paragraph is in fact around light-emitting component.Furthermore, the first barrel also has one the 3rd section, and the 3rd section is positioned between second segment and first paragraph, and the 3rd section has an inclined inner surface one the 3rd A/F of the 3rd section is increased to second segment gradually by first paragraph.So, the angle of the bearing of trend of inclined inner surface and lamp guide can be by 15 degree to 45 degree.
In one embodiment of this invention, above-mentioned sleeve is formed in one.
In one embodiment of this invention, the material of above-mentioned sleeve comprises plastic matrix and is dispersed in a plurality of particles in plastic matrix.For example, particle comprises metal oxide powder, carbon dust, fiber, ceramic powders, polyphenylene sulfide (Polyphenylene Sulfide is called for short PPS) particle, magnesia particle or above-mentioned combination.
In one embodiment of this invention, the outside of above-mentioned the first barrel and the second barrel has a plurality of radiating fins separately.
In one embodiment of this invention, the inner side of above-mentioned the first barrel is coated with a reflector.And reflector can be white reflector.
In one embodiment of this invention, above-mentioned light-emitting component comprises a light-emitting diode.
In one embodiment of this invention, above-mentioned lighting device also comprises a crown top of burner, and driver is folded between the second cylindrical shell and the crown top of burner.
Based on above-mentioned, lighting device of the present invention adopts insulating heat-conduction material to make sleeve.Therefore, sleeve and the driver problem of Shi Buhui on occurring electrically that contact with each other, therefore can directly be arranged on light-emitting component and driver in the accommodation space of sleeve, thereby reach the object of simplifying member designs.In addition, heat-conducting insulation material is significantly less than the aluminum that traditional heat-dissipating is used in weight, so the lighting device of the embodiment of the present invention has light and handy weight.Furthermore, the sleeve that heat-conducting insulation material is made has reflection characteristic and can improve the light utilization ratio of lighting device.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is depicted as the explosive view of the lighting device of one embodiment of the invention;
Fig. 2 is depicted as the lighting device of Fig. 1 and assembles schematic diagram when A-A ' cuts off afterwards along the line;
Fig. 3 is depicted as the lighting device of Fig. 1 and assembles schematic diagram when B-B ' cuts off afterwards along the line.
Description of reference numerals:
100: lighting device;
110: sleeve;
110A: first end;
110B: the second end;
112: platform;
112A: first surface;
112B: second;
114: the first barrel;
114A: first paragraph;
114B: second segment;
114C: the 3rd section;
116: the second barrel;
118: radiating fin;
120: light-emitting component;
122: light-emitting area;
130: driver;
140: lamp guide;
150: the crown top of burner;
160: locking part;
170: reflecting layer;
180: connecting line;
A-A ', B-B ': line;
CS: inclined inner surface;
H1: locking hole;
H2: perforation;
R: angle;
S1: the first accommodation space;
S2: the second accommodation space;
W1: the first A/F;
W2: the second A/F;
W3: the 3rd A/F;
W4: width.
The specific embodiment
Fig. 1 is depicted as the explosive view of the lighting device of one embodiment of the invention.Please refer to Fig. 1, lighting device 100 includes sleeve 110, light-emitting component 120, driver 130, lamp guide 140, the crown top of burner 150, locking part 160 and reflecting layer 170.Sleeve 110 is the member of a hollow tube-shape, and light-emitting component 120, lamp guide 140 are assembled in sleeve 110 by first end 110A with reflecting layer 170.Driver 130 is assembled in sleeve 110 by the second end 110B.150 of the crown tops of burner are connected with sleeve 110 and driver 130 are folded between sleeve 110 and the crown top of burner 150.Locking part 160 can be used for fixing the lamp guide 140 that is inserted in sleeve 110.
In the present embodiment, reflecting layer 170 is close in fact the surface of lamp guide 140, and both can be for by make the member be considered as one with molding manufacture procedure, but the present invention does not limit this both preparation method.In other embodiments, together with lamp guide 140 is attached to after can completing separately with reflecting layer 170 more each other.In addition, light-emitting component 120 can be a light-emitting diode, but the present invention is not as limit.
In the present embodiment, the material of sleeve 110 is heat-conducting insulation material, and it has insulation characterisitic and thermal conduction characteristic.Therefore, do not need to arrange extra insulating component between driver 130 and sleeve 110, this volume that contributes to reduce lighting device 100 also contributes to simplify the design of lighting device 100.Particularly, the material of sleeve 110 comprises plastic matrix and is dispersed in a plurality of particles in plastic matrix, and wherein particle comprises metal oxide powder, carbon dust, fiber, ceramic powders, polyphenylene sulfide (PPS) particle, magnesia particle or above-mentioned combination.At this, the plastic rubber substrate that is added with particle can form the heat-conducting insulation material that thermal conductive property significantly improves.
General plastic material, polypropylene (Polypropylene for example, abbreviation PP), acrylonitrile-butadiene-styrene copolymer (Acrylonitrile-butadiene-styrene, abbreviation ABS) pyroconductivity of resin, Merlon (Polycarbonate is called for short PC) etc. approximately only has 0.2W/mK.But, the pyroconductivity that the heat-conducting insulation material forming after plastic rubber substrate adds above-mentioned particle has is generally 1-20W/mK.While selecting such material to make sleeve 110, sleeve 110 can have required heat dissipating and loose the overflowing of heat that light-emitting component 120 can be produced.In addition, such insulating materials also can further add reflective particle (for example: titanium dioxide) can improve its reflection characteristic, so the sleeve 110 of the present embodiment can also cremasteric reflex characteristic except the effect of heat radiation is provided to improve the light utilization ratio of lighting device.
Furthermore, heat-conducting insulation material is to take plastic matrix as chief component, while making sleeve 110 with such material, only need to use general die molding method, and sleeve 110 can be integrated radiating component.In comparison, when tradition is made radiating component with aluminium material, need to adopt the mode of die cast to form needed pattern, the more general die molding method of such molding mode is complicated.So the making of the present embodiment sleeve 110 has the simple characteristic of processing, contribute to improve making production capacity.
In addition, while utilizing aluminum die cast to be needed radiating component, if will reach higher pattern fineness, may occur cannot the demoulding situation.In general, the member that plastic material is made via the method for die cast compared to aluminum by the member of the formed in mould method made comparatively easily demoulding has better pattern fineness.Therefore, in the present embodiment, the surface texture of sleeve 100 has die cast fineness that processing procedure is beyond one's reach, and this makes the sleeve 100 of the present embodiment can have larger area of dissipation compared to aluminum radiating component, and thermolysis is provided more efficiently.
Heat-conducting insulation material described in the present embodiment is comprised of plastic rubber substrate, and its density is than the materials of aluminum that is used for traditionally making heat conduction member, more light, and wherein the density of aluminium is approximately 2700kg/m
3, and the density of plastic cement is about 1420kg/m
3.With the design of same profile and size, the insulation material sleeve 110 of the present embodiment approximately only has half of aluminum member in weight.So the present embodiment adopts heat-conducting insulation material to make the overall weight that sleeve 110 can reduce lighting device 100 significantly.
In addition, the sleeve 110 of insulating property (properties), compared to the member of aluminum, can improve significantly in the ratio by CE or UL authentication.Therefore, adopt the sleeve 110 of the present embodiment can make lighting device 100 more easily by safety, check, also more can improve lighting device 100 security in use.That is to say, lighting device 100 has used the insulating sleeve 110 that can dispel the heat, except noting be used in, between driver 130 and sleeve 110, extra insulating part is set and simplifies member designs and reduce the number of components, can also improve the safety in utilization of lighting device.
In order to know the relation that represents sleeve 110 and other members, Fig. 2 and Fig. 3 are shown as the lighting device of Fig. 1 and assemble schematic diagram when A-A ' and line B-B ' cut off afterwards along the line.Referring to Fig. 2 and Fig. 3, sleeve 110 comprises a platform 112, one first barrel 114 and one second barrel 116.The first barrel 114 and the second barrel 116 are connected to the relative both sides of platform 112.And the outside of the first barrel 114 and the second barrel 116 has a plurality of radiating fins 118 separately.At this, radiating fin 118 be provided with the heat sinking function that helps increase the surface area of sleeve 110 and improve sleeve 110.And, from above stated specification, because sleeve 110 is to be made through mould molding processing procedure by plastic material, radiating fin 118 can have the die cast processing procedure pattern fineness that is beyond one's reach according to the demand of heat dissipating, and this contributes to improve the radiating effect of sleeve 110.
One first surface 112A of the inner side of the first barrel 114 and platform 112 defines one first accommodation space S1, and one second 112B of the inner side of the second barrel 116 and platform 112 defines one second accommodation space S2.The end (the first end 110A that namely Fig. 1 indicates and the second end 110B) that the first barrel 114 and the second barrel 116 are away from platform 112 is open end, and therefore the first accommodation space S1 and the second accommodation space S2 are for open space is to be suitable for installing other member.
Particularly, light-emitting component 120, lamp guide 140 and the reflecting layer 170 that is close to lamp guide 140 are to be all arranged in the first accommodation space S1 by the first end 110A opening.It is upper that light-emitting component 120 bears against in fact the first surface 112A of platform 112, and the light-emitting area 122 of light-emitting component 120 is in fact towards the end of lamp guide 140.Now, as shown in Figure 2, the first barrel 114 can have a plurality of locking hole H1, makes locking part 160 lock and be arranged on the lamp guide 140 in the first accommodation space S1 through locking hole H1.
In detail, the first barrel 114 can have a first paragraph 114A, a second segment 114B and one the 3rd section of 114C, and wherein first paragraph 114A is between platform 112 and second segment 114B, and the 3rd section of 114C is between first paragraph 114A and second segment 114B.The one first A/F W1 that first paragraph 114A has is less than in fact the one second A/F W2 that second segment 114B has.In addition, the 3rd section of 114C has an inclined inner surface CS one the 3rd A/F W3 of the 3rd section of 114C increased to second segment 114B gradually by first paragraph 114A.
In the present embodiment, first paragraph 114A is in fact around light-emitting component 120.The first A/F W1 can optionally equal the width W 4 of lamp guide 140, and the second A/F W2 in fact for example can be greater than the width W 4 of lamp guide 140.Now, the angle R of the bearing of trend of inclined inner surface CS and lamp guide 140 can be by 15 degree to 45 degree, and can be in fact 33 degree.Due to sleeve 110 has can reflectivity properties, inclined inner surface CS is provided with the light utilization efficiency that helps the light reflection that light-emitting component 120 is sent and increase lighting device 100.And, in one embodiment, the inner side of the first barrel 114, for example inclined inner surface CS goes up or defines the surface of the first A/F W1 and the second A/F W2, can further be coated with a reflector, and reflector can be white reflectance coating; Or, place a micro-foaming reflecting plate (Micro Cellular PET is called for short MCPET), thereby improve the light utilization efficiency of lighting device 100.
In sum, the lighting device of the embodiment of the present invention uses insulating heat-conduction material to make sleeve, thereby the member being arranged in sleeve must not pack with extra insulating part, and this contributes to simplify the design of lighting device.In addition, the lighting device of the embodiment of the present invention is because insulating sleeve itself possesses and has heat dissipation characteristics, and insulating materials itself is compared to traditional Heat Conduction Material aluminium, has compared with light quality and contributes to make lighting device more light and handy.Furthermore, insulating materials itself, compared to traditional Heat Conduction Material aluminium, has better machining accuracy, reaches the effect of high area of dissipation so the sleeve of the embodiment of the present invention can have trickle design.Due to the insulation characterisitic of insulating materials, the lighting device of the embodiment of the present invention, compared to the lighting device with aluminum radiating component, more can meet safety check standard, to reach better safety in utilization.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (12)
1. a lighting device, is characterized in that, comprising:
One sleeve, comprise a platform, one first barrel and one second barrel, this first barrel and this second barrel are connected to the relative both sides of this platform, and the material of this sleeve is heat-conducting insulation material, wherein a first surface of the inner side of this first barrel and this platform defines one first accommodation space, and one second face of the inner side of this second barrel and this platform defines one second accommodation space;
One light-emitting component, is arranged in this first accommodation space, bears against on this first surface of this platform;
One driver, can be arranged in this second accommodation space of this sleeve contiguously; And
One lamp guide, is arranged in this first accommodation space and partly protrudes out outside this first barrel, and the light-emitting area of this light-emitting component is towards this lamp guide.
2. lighting device according to claim 1, is characterized in that, this platform has a perforation, and a connecting line runs through this perforation so that this light-emitting component is electrically connected with this driver.
3. lighting device according to claim 1, is characterized in that, this first barrel has a plurality of locking holes, and a plurality of locking part passes respectively those locking holes to be fixed in this lamp guide in this first accommodation space.
4. lighting device according to claim 1, it is characterized in that, this first barrel has a first paragraph and a second segment, and this first paragraph is between this platform and this second segment, and one first A/F that this first paragraph has is less than one second A/F that this second segment has.
5. lighting device according to claim 4, it is characterized in that, this first barrel also has one the 3rd section, and between this second segment and this first paragraph, and the 3rd section have an inclined inner surface one the 3rd A/F of the 3rd section is increased to this second segment gradually by this first paragraph.
6. lighting device according to claim 5, is characterized in that, the angle of the bearing of trend of this inclined inner surface and this lamp guide is by 15 degree to 45 degree.
7. lighting device according to claim 1, is characterized in that, this sleeve is formed in one.
8. lighting device according to claim 1, is characterized in that, the material of this sleeve comprises plastic matrix and intersperses among a plurality of particles in plastic matrix.
9. lighting device according to claim 8, is characterized in that, those particles comprise metal oxide powder, carbon dust, fiber, ceramic powders, polyphenylene sulfide particle, magnesia particle or above-mentioned combination.
10. lighting device according to claim 8, is characterized in that, the material of this sleeve also comprises the reflective particle interspersing among in plastic matrix.
11. lighting devices according to claim 1, is characterized in that, the outside of this first barrel and this second barrel has a plurality of radiating fins separately.
12. lighting devices according to claim 1, is characterized in that, this inner side of this first barrel is provided with a reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210388471.5A CN103727423A (en) | 2012-10-12 | 2012-10-12 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210388471.5A CN103727423A (en) | 2012-10-12 | 2012-10-12 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103727423A true CN103727423A (en) | 2014-04-16 |
Family
ID=50451631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210388471.5A Pending CN103727423A (en) | 2012-10-12 | 2012-10-12 | Lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103727423A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100265733A1 (en) * | 2009-04-06 | 2010-10-21 | Illuminoss Medical, Inc. | Attachment System for Light-Conducting Fibers |
| JP2011165387A (en) * | 2010-02-05 | 2011-08-25 | Nittoh Kogaku Kk | Light-emitting device and line light source device |
| CN202065797U (en) * | 2011-04-26 | 2011-12-07 | 徐志锋 | Light-emitting diode (LED) tube light |
| EP2395390A2 (en) * | 2010-06-14 | 2011-12-14 | LG Innotek Co., Ltd. | Backlight unit and display device including the same |
| CN202274305U (en) * | 2011-09-09 | 2012-06-13 | 安徽金雨灯业有限公司 | LED (light-emitting diode) decorative lamp with refractive light pillar |
| TWM434883U (en) * | 2012-02-10 | 2012-08-01 | Wintek Corp | Illumination apparatus and light emitting device thereof |
| CN202484777U (en) * | 2012-01-06 | 2012-10-10 | 镇江震东电光源有限公司 | Led ceiling lamp |
-
2012
- 2012-10-12 CN CN201210388471.5A patent/CN103727423A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100265733A1 (en) * | 2009-04-06 | 2010-10-21 | Illuminoss Medical, Inc. | Attachment System for Light-Conducting Fibers |
| JP2011165387A (en) * | 2010-02-05 | 2011-08-25 | Nittoh Kogaku Kk | Light-emitting device and line light source device |
| EP2395390A2 (en) * | 2010-06-14 | 2011-12-14 | LG Innotek Co., Ltd. | Backlight unit and display device including the same |
| CN202065797U (en) * | 2011-04-26 | 2011-12-07 | 徐志锋 | Light-emitting diode (LED) tube light |
| CN202274305U (en) * | 2011-09-09 | 2012-06-13 | 安徽金雨灯业有限公司 | LED (light-emitting diode) decorative lamp with refractive light pillar |
| CN202484777U (en) * | 2012-01-06 | 2012-10-10 | 镇江震东电光源有限公司 | Led ceiling lamp |
| TWM434883U (en) * | 2012-02-10 | 2012-08-01 | Wintek Corp | Illumination apparatus and light emitting device thereof |
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Application publication date: 20140416 |