EP1528315A2 - Light set with heat dissipation means - Google Patents
Light set with heat dissipation means Download PDFInfo
- Publication number
- EP1528315A2 EP1528315A2 EP05000381A EP05000381A EP1528315A2 EP 1528315 A2 EP1528315 A2 EP 1528315A2 EP 05000381 A EP05000381 A EP 05000381A EP 05000381 A EP05000381 A EP 05000381A EP 1528315 A2 EP1528315 A2 EP 1528315A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- thermoconductor
- casing
- light source
- light set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
- F21L4/022—Pocket lamps
- F21L4/027—Pocket lamps the light sources being a LED
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/767—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
- F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the present invention relates to a light set and more particularly, to a light set with heat dissipation means that has a heat dissipation module mounted inside the casing to dissipate heat during the operation of the light source thereof.
- FIG. 1 illustrates a conventional LED type light set.
- the light set comprises a solid metal plate, for example, aluminum plate 10 , a LED (light emitting diode) or LEDs 12 mounted on the aluminum plate 10 , and a circuit 14 provided around the border area of the aluminum plate 10 for controlling the operation of the LED(s) 12 .
- the aluminum plate 10 is adapted to dissipate heat from the LED(s) 12 .
- the low heat dissipation working efficiency of the aluminum plate 10 is insufficient to carry heat away from the LED(s) 12 .
- FIG. 2 shows a pipe shape Vapor Chamber according to the prior art.
- the Vapor Chamber 2 comprises a hollow body 20 that is kept in a vacuum status, a capillary structure 22 formed inside the hollow body 20 , and a working fluid (not shown) filled in the hollow body 20 .
- the heat source power-consuming chip, CPU, or LCD
- the working fluid in the hollow body 20 is heated into steam by heat energy from the heat source 26 .
- Produced steam passes (transport) from the hot side of the hollow body 20 to the other side, namely, the cold side where steam is condensed into fluid, which is then guided back to the hot side of the hollow body 20 by the capillary structure 22 .
- the thermal could be quickly carried away from the heat source.
- thermoconductor With a light source to carry heat from the light source during its operation, so that the working efficiency of the light source can be greatly improved.
- the present invention has been accomplished under the circumstances in view. It is one object of the present invention to provide a light set, which is equipped with radiation fins to dissipate heat efficient during the operation of the light source thereof, so as to improve the working efficiency of the light source and prolongs its service life. It is another object of the present invention to provide a light set, which has air vents formed in the casing thereof for quick dissipation of heat during the operation of the light source thereof.
- the light set comprises a casing that admits light; a thermoconductor mounted inside the casing, the thermoconductor having a flat end portion; at least one radiation fin fastened to the periphery of the thermoconductor inside the casing; a light source installed in the flat end portion of the thermoconductor; and a power unit mounted inside the casing and electrically connected to the light source to provide the light source with the necessary working voltage.
- a light set 3 comprising a casing 30 that admits light, a thermoconductor 32 that can be a heat pipe or heat column mounted inside the casing 30 and has one end, namely, the top end thereof flatted, a plurality of radiation fins 324 arranged around the periphery of the thermoconductor 32 for dissipation of heat from the thermoconductor 32 to the outside space, a light source 34 mounted on the flat top end of the thermoconductor 32 for producing light through the casing 30 , a circuit board 36 mounted inside the casing 30 and provided at the other end, namely, the bottom end of the thermoconductor 32 , and power unit that can be a battery set or AC adapter 37 mounted inside the casing 30 and electrically connected to the circuit board 36 and the light source 34 to provide the necessary working voltage to the light source 34 through the circuit board 36 .
- the thermoconductor 32 comprises a hollow body 320 formed of copper and kept in a vacuum status, a capillary structure (not shown) formed inside the hollow body 320 , and a working fluid (not shown) filled in the hollow body 320 .
- the hollow body 320 of the thermoconductor 32 has a cold side and a hot side.
- the working fluid is distributed in the capillary structure of the hollow body 320 of the thermoconductor 32 .
- the working fluid in the hot side is evaporated into steam and travel toward the cold side of the hollow body 320 of thermoconductor 32 by thermal adsorbed from the light source 34 , and the steam is then condensed into fluid status by the cold side of the hollow body 320 of thermoconductor 32 and guided back to the hot side of the hollow body 320 of thermoconductor 32 by the capillary structure.
- the aforesaid radiation fins 324 are provided at the cold side of the hollow body 320 of thermoconductor 32 for transferring heat energy from the cold side of the of the hollow body 320 of thermoconductor 32 to the outside space during changing of the work fluid between steam status and fluid status.
- the light source 34 comprises a substrate 340 , an array of light emitting devices, for example, LEDs (light emitting diodes) 342 arranged on the substrate 340 , a positive electrode 344 and a negative electrode 346 mounted in the substrate 340 and respectively electrically connected to the positive and negative terminals of each of the LEDs 342 .
- the substrate 340 is preferably a silicon base material.
- the LEDs 342 of the light source 34 can be directly arranged on the flat top end of the hollow body 320 of thermoconductor 32 (see FIG. 7).
- the LEDs 342 can be installed in the substrate 340 (see FIG. 6) or the flat top end of the hollow body 320 of thermoconductor 32 (see FIG. 7) by wire bonding or flip chip.
- the aforesaid radiation fins 324 may be variously embodied. According to the embodiment shown in FIG. 8, the radiation fins 324 have an annular shape and are arranged around the periphery of the hollow body 320 of thermoconductor 32 . According to the embodiment shown in FIG. 9, the radiation fins 324 are shaped like a fourfold petal and arranged around the periphery of the hollow body 320 of the thermoconductor 32 inside the casing 30 (see also FIG. 3). According to the embodiment shown in FIG. 10, the radiation fins 324 are flat fins radially arranged around the periphery of the hollow body 320 of the thermoconductor 32 inside the casing 30 (see also FIG. 3). The radiation fins 324 can be made of copper or aluminum.
- the radiation fins 324 each have two through holes 326 symmetrically disposed at two sides through which the positive and negative electrodes of the light source 34 connect to the circuit board 36 .
- the casing 30 has a plurality of air vents 302 corresponding to the radiation fins 324 for ventilation so that heat energy can quickly be transfered by air to the outside of the light set.
- a fan 38 is provided below the circuit board 36 for causing currents of air to carry heat energy out of the light set.
- the fan 38 and light source 34 obtains the necessary working voltage (or current) from the power unit 37 .
- the circuit board 36 can design a temperature detection and fan control circuit (not shown) that detects the ambient temperature around the light source and controls ON/OFF status of the fan 38 subject to the detection result, i.e., the temperature detection and fan control circuit turns on the fan 38 when the ambient temperature surpassed a predetermined value, or turns off the fan 38 when the ambient temperature dropped below the predetermined value.
- the present invention provides a light set with heat dissipation means, which has a thermoconductor with radiation fins and a fan mounted inside the casing thereof for quick dissipation of heat from the light source, thereby improving the working efficiency of the light source and prolonging its service life.
- a prototype of light set with heat dissipation means has been constructed with the features of FIGS. 3 ⁇ 13.
- the light set with heat dissipation means functions smoothly to provide all of the features discussed earlier.
Abstract
Description
- The present invention relates to a light set and more particularly, to a light set with heat dissipation means that has a heat dissipation module mounted inside the casing to dissipate heat during the operation of the light source thereof.
- Since the invention of incandescent lamp by Thomas Alva Edison (1847 - 1931), electric lighting has greatly improved our living style. Nowadays, a variety of lighting fixtures have been developed for different applications, for example, home and office illumination or for use in motor vehicles.
- FIG. 1 illustrates a conventional LED type light set. The light set comprises a solid metal plate, for example,
aluminum plate 10, a LED (light emitting diode) orLEDs 12 mounted on thealuminum plate 10, and acircuit 14 provided around the border area of thealuminum plate 10 for controlling the operation of the LED(s) 12. Thealuminum plate 10 is adapted to dissipate heat from the LED(s) 12. However, the low heat dissipation working efficiency of thealuminum plate 10 is insufficient to carry heat away from the LED(s) 12. - Vapor Chambers are commonly used in cooling modules for electronic apparatus. FIG. 2 shows a pipe shape Vapor Chamber according to the prior art. According to this design, the
Vapor Chamber 2 comprises ahollow body 20 that is kept in a vacuum status, acapillary structure 22 formed inside thehollow body 20, and a working fluid (not shown) filled in thehollow body 20. When in use, one side, namely, the hot side of thehollow body 20 of theVapor Chamber 2 is maintained closely attached to the heat source (power-consuming chip, CPU, or LCD) 26. During operation of theheat source 26, the working fluid in thehollow body 20 is heated into steam by heat energy from theheat source 26. Produced steam passes (transport) from the hot side of thehollow body 20 to the other side, namely, the cold side where steam is condensed into fluid, which is then guided back to the hot side of thehollow body 20 by thecapillary structure 22. By means of interchange between fluid state and steam state, the thermal could be quickly carried away from the heat source. - It is practical to use the aforesaid thermoconductor with a light source to carry heat from the light source during its operation, so that the working efficiency of the light source can be greatly improved.
- The present invention has been accomplished under the circumstances in view. It is one object of the present invention to provide a light set, which is equipped with radiation fins to dissipate heat efficient during the operation of the light source thereof, so as to improve the working efficiency of the light source and prolongs its service life. It is another object of the present invention to provide a light set, which has air vents formed in the casing thereof for quick dissipation of heat during the operation of the light source thereof.
- To achieve these and other objects of the present invention, the light set comprises a casing that admits light; a thermoconductor mounted inside the casing, the thermoconductor having a flat end portion; at least one radiation fin fastened to the periphery of the thermoconductor inside the casing; a light source installed in the flat end portion of the thermoconductor; and a power unit mounted inside the casing and electrically connected to the light source to provide the light source with the necessary working voltage.
-
- FIG. 1 is an elevational view of a LED type light set according to the prior art.
- FIG. 2 is a schematic drawing showing the working of a conventional pipe shape Vapor Chamber.
- FIG. 3 is a longitudinal view in section of a light set constructed according to the present invention.
- FIG. 4 is an elevational view of a part of the present invention, showing the radiation fins arranged around the periphery of the hollow body of the thermoconductor and the light source at the flat top end of the hollow body.
- FIG. 5 is a side plain view of a part of the present invention, showing the radiation fins arranged around the periphery of the hollow body of the thermoconductor.
- FIG. 6 is a top view of a part of the present invention, showing the structure of the light source.
- FIG. 7 is an elevational view of a part of the present invention, showing the light source provided at the flat top end of the hollow body of the thermoconductor.
- FIG. 8 is a top view of the present invention, showing one form of the radiation fins.
- FIG. 9 is a top view of the present invention, showing an alternate form of the radiation fins.
- FIG. 10 is an elevational view showing another alternate form of the radiation fins according to the present invention.
- FIG. 11 is an elevational view of the present invention, showing the appearance of assembled lighting module.
- FIG. 12 is another longitudinal view in section of the present invention, showing air vents formed in the casing of the light set.
- FIG. 13 is still another longitudinal view in section of the present invention, showing a fan provided inside the light and spaced between the circuit board and the power unit.
-
- Referring to FIG. 3, a
light set 3 is shown comprising acasing 30 that admits light, athermoconductor 32 that can be a heat pipe or heat column mounted inside thecasing 30 and has one end, namely, the top end thereof flatted, a plurality ofradiation fins 324 arranged around the periphery of thethermoconductor 32 for dissipation of heat from thethermoconductor 32 to the outside space, alight source 34 mounted on the flat top end of thethermoconductor 32 for producing light through thecasing 30, acircuit board 36 mounted inside thecasing 30 and provided at the other end, namely, the bottom end of thethermoconductor 32, and power unit that can be a battery set orAC adapter 37 mounted inside thecasing 30 and electrically connected to thecircuit board 36 and thelight source 34 to provide the necessary working voltage to thelight source 34 through thecircuit board 36. - Referring to FIGS. 4 and 5, the
thermoconductor 32 comprises ahollow body 320 formed of copper and kept in a vacuum status, a capillary structure (not shown) formed inside thehollow body 320, and a working fluid (not shown) filled in thehollow body 320. Thehollow body 320 of thethermoconductor 32 has a cold side and a hot side. The working fluid is distributed in the capillary structure of thehollow body 320 of thethermoconductor 32. During operation of the light set 3, the working fluid in the hot side is evaporated into steam and travel toward the cold side of thehollow body 320 ofthermoconductor 32 by thermal adsorbed from thelight source 34, and the steam is then condensed into fluid status by the cold side of thehollow body 320 ofthermoconductor 32 and guided back to the hot side of thehollow body 320 ofthermoconductor 32 by the capillary structure. Theaforesaid radiation fins 324 are provided at the cold side of thehollow body 320 ofthermoconductor 32 for transferring heat energy from the cold side of the of thehollow body 320 ofthermoconductor 32 to the outside space during changing of the work fluid between steam status and fluid status. - Referring to FIG. 6, the
light source 34 comprises asubstrate 340, an array of light emitting devices, for example, LEDs (light emitting diodes) 342 arranged on thesubstrate 340, apositive electrode 344 and anegative electrode 346 mounted in thesubstrate 340 and respectively electrically connected to the positive and negative terminals of each of theLEDs 342. Thesubstrate 340 is preferably a silicon base material. (light source 34 could also be an assembled LEDs package) Alternatively, theLEDs 342 of thelight source 34 can be directly arranged on the flat top end of thehollow body 320 of thermoconductor 32 (see FIG. 7). TheLEDs 342 can be installed in the substrate 340 (see FIG. 6) or the flat top end of thehollow body 320 of thermoconductor 32 (see FIG. 7) by wire bonding or flip chip. - The aforesaid radiation fins 324 may be variously embodied. According to the embodiment shown in FIG. 8, the
radiation fins 324 have an annular shape and are arranged around the periphery of thehollow body 320 ofthermoconductor 32. According to the embodiment shown in FIG. 9, theradiation fins 324 are shaped like a fourfold petal and arranged around the periphery of thehollow body 320 of thethermoconductor 32 inside the casing 30 (see also FIG. 3). According to the embodiment shown in FIG. 10, theradiation fins 324 are flat fins radially arranged around the periphery of thehollow body 320 of thethermoconductor 32 inside the casing 30 (see also FIG. 3). Theradiation fins 324 can be made of copper or aluminum. - Referring to FIG. 11, the radiation fins 324 each have two through
holes 326 symmetrically disposed at two sides through which the positive and negative electrodes of thelight source 34 connect to thecircuit board 36. - Referring to FIG. 12, the
casing 30 has a plurality ofair vents 302 corresponding to the radiation fins 324 for ventilation so that heat energy can quickly be transfered by air to the outside of the light set. - Referring to FIG. 13, a
fan 38 is provided below thecircuit board 36 for causing currents of air to carry heat energy out of the light set. Thefan 38 andlight source 34 obtains the necessary working voltage (or current) from thepower unit 37. Thecircuit board 36 can design a temperature detection and fan control circuit (not shown) that detects the ambient temperature around the light source and controls ON/OFF status of thefan 38 subject to the detection result, i.e., the temperature detection and fan control circuit turns on thefan 38 when the ambient temperature surpassed a predetermined value, or turns off thefan 38 when the ambient temperature dropped below the predetermined value. - As indicated above, the present invention provides a light set with heat dissipation means, which has a thermoconductor with radiation fins and a fan mounted inside the casing thereof for quick dissipation of heat from the light source, thereby improving the working efficiency of the light source and prolonging its service life.
- A prototype of light set with heat dissipation means has been constructed with the features of FIGS. 3~13. The light set with heat dissipation means functions smoothly to provide all of the features discussed earlier.
- Although particular embodiments of the invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention.
Claims (15)
- A light set comprising:a casing that admits light;a thermoconductor mounted inside said casing, said thermoconductor having a flat end portion;at least one radiation fin fastened to the periphery of said thermoconductor inside said casing;a light source installed in said flat end portion of said thermoconductor; anda power unit mounted inside said casing and electrically connected to said light source to provide said light source with the necessary working power.
- The light set as claimed in claim 1, wherein said casing has at least one air vent for ventilation.
- The light set as claimed in claim 1, wherein each said radiation fin has an annular shape extended around the periphery of said thermoconductor.
- The light set as claimed in claim 1, further comprising a circuit board mounted inside said casing at one end of said thermoconductor remote from said flat end portion and electrically connected in series between said power unit and said light source by electric conductor means for controlling the operation of said light source.
- The light set as claimed in claim 4, wherein said at least one radiation fin each has at least one through hole for the passing of electric conductor means connecting said circuit board and said light source.
- The light set as claimed in claim 4, further comprising fan means mounted inside said casing below said circuit board.
- The light set as claimed in claim 6, wherein said fan means is electrically connected to said circuit board and controlled by a temperature detection and fan control circuit of said circuit board that detects ambient temperature level and controls on/off of said fan means subject to the detection result.
- The light set as claimed in claim 1, wherein said light source comprises a substrate, at least one light emitting device mounted on said substrate, and a positive electrode and a negative electrode mounted on said substrate at two sides and respectively electrically connected between positive and negative terminals of each said light emitting device and positive and negative terminals of said circuit board.
- The light set as claimed in claim 8, wherein said substrate is made of silicon.
- The light set as claimed in claim 8, wherein each said light emitting device is a light emitting diode or LEDs package.
- The light set as claimed in claim 1, wherein said light source is comprised of at least one light emitting diode.
- The light set as claimed in claim 1, wherein said power unit is a battery set.
- The light set as claimed in claim 1, wherein said power unit is an AC adapter.
- The light set as claimed in claim 1, wherein said thermoconductor is a heat pipe.
- The light set as claimed in claim 1, wherein said thermoconductor is a heat column.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602005015778T DE602005015778D1 (en) | 2005-01-11 | 2005-01-11 | Lighting device with device for heat dissipation |
EP05000381A EP1528315B1 (en) | 2005-01-11 | 2005-01-11 | Light set with heat dissipation means |
AT05000381T ATE438828T1 (en) | 2005-01-11 | 2005-01-11 | LIGHTING DEVICE WITH HEAT DISSIPATION DEVICE |
ES05000381T ES2331077T3 (en) | 2005-01-11 | 2005-01-11 | LIGHTING DEVICE WITH MEANS OF HEAT DISSIPATION. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05000381A EP1528315B1 (en) | 2005-01-11 | 2005-01-11 | Light set with heat dissipation means |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1528315A2 true EP1528315A2 (en) | 2005-05-04 |
EP1528315A3 EP1528315A3 (en) | 2005-07-06 |
EP1528315B1 EP1528315B1 (en) | 2009-08-05 |
Family
ID=34400650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05000381A Not-in-force EP1528315B1 (en) | 2005-01-11 | 2005-01-11 | Light set with heat dissipation means |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1528315B1 (en) |
AT (1) | ATE438828T1 (en) |
DE (1) | DE602005015778D1 (en) |
ES (1) | ES2331077T3 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006119582A1 (en) * | 2005-05-13 | 2006-11-16 | Tama Berkeljon | Lighting apparatus |
EP1783421A1 (en) * | 2005-10-26 | 2007-05-09 | Spectral Gesellschaft für Lichttechnik mit beschränkter Haftung | Lampe |
WO2007056541A2 (en) * | 2005-11-08 | 2007-05-18 | Young Garrett J | Apparatus and method for generating light from multi - primary colors |
WO2007028397A3 (en) * | 2005-09-09 | 2007-05-31 | Wiseled Aps | A torch |
EP1933085A1 (en) * | 2005-05-25 | 2008-06-18 | NeoBulb Technologies, Inc. | Light-emitting diode cluster lamp |
WO2009039907A1 (en) | 2007-09-24 | 2009-04-02 | Ledon Lighting Gmbh | Cooling body and cooling system for an led module |
WO2010100289A1 (en) * | 2009-03-06 | 2010-09-10 | Kokoh Investigación, S.L. | Lighting device |
WO2011079387A1 (en) * | 2009-12-30 | 2011-07-07 | Lumenpulse Lighting Inc. | High powered light emitting diode lighting unit |
WO2012168845A1 (en) * | 2011-06-06 | 2012-12-13 | Koninklijke Philips Electronics N.V. | Remote heat sink |
EP2538133A1 (en) * | 2011-06-23 | 2012-12-26 | Koninklijke Philips Electronics N.V. | Remote heat sink |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009044388A1 (en) | 2009-11-02 | 2011-05-05 | Semperlux Aktiengesellschaft - Lichttechnische Werke - | Outdoor light and high pressure lamp replacement |
Citations (4)
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US20040212991A1 (en) * | 2001-12-10 | 2004-10-28 | Galli Robert D. | LED lighting assembly with improved heat management |
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WO2004100220A2 (en) * | 2003-05-05 | 2004-11-18 | Optolum, Inc | Light emitting diode light source |
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2005
- 2005-01-11 AT AT05000381T patent/ATE438828T1/en not_active IP Right Cessation
- 2005-01-11 EP EP05000381A patent/EP1528315B1/en not_active Not-in-force
- 2005-01-11 DE DE602005015778T patent/DE602005015778D1/en active Active
- 2005-01-11 ES ES05000381T patent/ES2331077T3/en active Active
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US20040212991A1 (en) * | 2001-12-10 | 2004-10-28 | Galli Robert D. | LED lighting assembly with improved heat management |
US20040120148A1 (en) * | 2002-12-18 | 2004-06-24 | Morris Garron K. | Integral ballast lamp thermal management method and apparatus |
US20040213016A1 (en) * | 2003-04-25 | 2004-10-28 | Guide Corporation | Automotive lighting assembly cooling system |
WO2004100220A2 (en) * | 2003-05-05 | 2004-11-18 | Optolum, Inc | Light emitting diode light source |
Cited By (18)
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WO2006119582A1 (en) * | 2005-05-13 | 2006-11-16 | Tama Berkeljon | Lighting apparatus |
EP1933085A4 (en) * | 2005-05-25 | 2011-01-19 | Neobulb Technologies Inc | Light-emitting diode cluster lamp |
EP1933085A1 (en) * | 2005-05-25 | 2008-06-18 | NeoBulb Technologies, Inc. | Light-emitting diode cluster lamp |
EP2410234A3 (en) * | 2005-09-09 | 2013-02-13 | Wise Innovations Technology Sarl | A torch |
WO2007028397A3 (en) * | 2005-09-09 | 2007-05-31 | Wiseled Aps | A torch |
CN101300450B (en) * | 2005-09-09 | 2011-08-10 | 威斯莱兹公司 | Torch |
US7938556B2 (en) | 2005-09-09 | 2011-05-10 | Wiseled Aps | Torch |
EP1783421A1 (en) * | 2005-10-26 | 2007-05-09 | Spectral Gesellschaft für Lichttechnik mit beschränkter Haftung | Lampe |
WO2007056541A3 (en) * | 2005-11-08 | 2007-10-25 | Garrett J Young | Apparatus and method for generating light from multi - primary colors |
US7859554B2 (en) | 2005-11-08 | 2010-12-28 | Young Garrett J | Apparatus, methods, and systems for multi-primary display or projection |
WO2007056541A2 (en) * | 2005-11-08 | 2007-05-18 | Young Garrett J | Apparatus and method for generating light from multi - primary colors |
US8624941B2 (en) | 2005-11-08 | 2014-01-07 | Prism Projection, Inc. | Apparatus, methods, and systems for multi-primary display or projection |
US10008178B2 (en) | 2005-11-08 | 2018-06-26 | Prism Projection, Inc | Apparatus, methods, and systems for multi-primary display or projection |
WO2009039907A1 (en) | 2007-09-24 | 2009-04-02 | Ledon Lighting Gmbh | Cooling body and cooling system for an led module |
WO2010100289A1 (en) * | 2009-03-06 | 2010-09-10 | Kokoh Investigación, S.L. | Lighting device |
WO2011079387A1 (en) * | 2009-12-30 | 2011-07-07 | Lumenpulse Lighting Inc. | High powered light emitting diode lighting unit |
WO2012168845A1 (en) * | 2011-06-06 | 2012-12-13 | Koninklijke Philips Electronics N.V. | Remote heat sink |
EP2538133A1 (en) * | 2011-06-23 | 2012-12-26 | Koninklijke Philips Electronics N.V. | Remote heat sink |
Also Published As
Publication number | Publication date |
---|---|
EP1528315B1 (en) | 2009-08-05 |
DE602005015778D1 (en) | 2009-09-17 |
ES2331077T3 (en) | 2009-12-21 |
EP1528315A3 (en) | 2005-07-06 |
ATE438828T1 (en) | 2009-08-15 |
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