Classifications

• • 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
  • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
  • F21V29/717—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements using split or remote units thermally interconnected, e.g. by thermally conductive bars or heat pipes
• • 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
  • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
• • 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
  • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
• • 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
• • 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
  • F21V5/00—Refractors for light sources
  • F21V5/04—Refractors for light sources of lens shape
• • 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
  • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
  • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
  • F21W2131/10—Outdoor lighting
  • F21W2131/103—Outdoor lighting of streets or roads
• • 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-emitting diode illuminating equipment, and in particular, to a secondary optics device for producing a specific light pattern.
• Light-emitting diode lighting equipment Background art
• FIG. 1A is a front view of an illumination device in which a plurality of light-emitting diodes are arranged in an array manner
• FIG. 1B is a cross-sectional view taken along line X-X of FIG. 1A.
• the illumination device arranges a plurality of light-emitting diodes in an array to obtain high brightness, and each of the light-emitting diodes corresponds to a light cup, the light cup book
• One aspect of the present invention is to provide a light emitting diode lighting apparatus.
• Another aspect of the present invention is to provide a light emitting diode lighting apparatus having secondary optics to produce a particular light field shape.
• the LED lighting device of the present invention comprises a heat-dissipating plate device, N heat conducting devices, and N diode lighting devices (Diode light). -emitting apparatus), N optical devices, a Hollow barrel, and a transparent shield, wherein N is a natural number.
• the heat dissipating plate member has a first surface and a second surface that is a reverse surface of the first surface, and a plurality of heat dissipating fins are extended at the second surface.
• Each of the thermally conductive elements includes a first portion and a second portion extending from the first portion and having a flat end.
• Each of the two-pole light-emitting devices corresponds to one of the N heat-conducting elements.
• Each of the diode light emitting devices is disposed on the flat end of the corresponding first heat conducting component and is configured to convert an electrical energy into a light.
• Each optical component corresponds to a diode illuminating device in the diode illuminating device for adjusting the corresponding diode illuminating
• the barrel includes a first circumference and a second circumference, the hollow barrel engaging the heat sink element with the first circumference to expose the heat dissipation fins in the air and form a space to accommodate the heat conducting elements and These diode illuminators.
• the transparent cover engages with the second periphery of the hollow barrel.
• the LED lighting device further includes a partition plate component
• Partition plate device the partition plate member is disposed in the hollow barrel, and the space is divided into a first chamber and a second chamber, wherein the partition plate member has N through holes, each of which has two poles
• the body light emitting device corresponds to one of the through holes.
• Each of the optical components includes a support and a lens.
• the support body removably engages the spacer element.
• the support body includes a first open end and a second open end, the first open end includes a plurality of hooks for engaging the support body to the partition plate member, and the second open end accommodates the lens.
• the lens may be an elliptical lens, a circular lens, a cat's eye lens, an irregular lens, a polygonal lens or other form of lens (or lens group).
• the lens is a cat eye lens.
• the lens includes a surface on which a recess is formed along an ellipse minor axis of the lens such that light emitted through the lens forms a light field shape that meets a particular need.
• each of the diode illuminators can be adjusted via a corresponding lens to produce a light field shape that is non-isotropic and meets a particular need, such as road lighting.
• the LED lighting device of the present invention can be adjusted and designed to produce a light field shape that meets the needs of the application, in accordance with different application requirements.
• 1A is a front elevational view showing an illumination device in which a plurality of light emitting diodes are arranged in an array manner.
• Fig. 1B is a cross-sectional view taken along line X- ⁇ of Fig. 1A.
• FIG. 2 is a perspective view of a light emitting diode lighting apparatus in accordance with a preferred embodiment of the present invention.
• Fig. 3A is a cross-sectional view taken along line YY of Fig. 2.
• Fig. 3B is a partial cross-sectional view taken along line Z-Z of Fig. 2.
• FIG. 4A is a front elevational view of the optical component in accordance with the preferred embodiment.
• Fig. 4B is a cross-sectional view taken along line W-W of Fig. 4A.
• Figure 5 is a schematic illustration of the shape of a light field formed in accordance with the preferred embodiment.
• FIG. 6 is a cross-sectional view of a light emitting diode illumination device in accordance with an embodiment.
• FIG. 7 is a cross-sectional view showing a light emitting diode lighting apparatus according to another embodiment.
• FIG. 2 is a perspective view of a light-emitting diode lighting device 1 according to a preferred embodiment of the present invention.
• Fig. 3A is a cross-sectional view taken along line YY of Fig. 2.
• Fig. 3B is a partial cross-sectional view taken along line Z-Z of Fig. 2.
• the LED illumination device 1 comprises a heat sink element 11, six first heat conduction elements 12, six diode light-emitting devices 13, six optical elements 14, and a hollow
• the barrel 15 and a transparent cover 16 are provided.
• the heat dissipating plate member 11 has a first surface 112 and a second surface 114 which is a reverse surface of the first surface, and a plurality of heat dissipating fins 17 extend from the second surface 114.
• Each of the first thermally conductive elements 12 includes a first portion 122 and a second portion 124 extending from the first portion 122 and having a flat end 126.
• each of the diode light-emitting devices 13 corresponds to one of the first heat-conducting elements 12, and each of the two-pole light-emitting devices 13 is smoothly joined to the corresponding first heat-conducting elements 12.
• On the flat end 126 and used to convert an electrical energy into a light.
• the heat generated during the operation of each of the diode light-emitting devices 13 is guided by the corresponding first heat-conducting element 12 from its flat end 126 via the second portion 124 and the first portion 122 to the
• the heat sink element 11 and the plurality of heat dissipation fins 17 are further cooled by the heat dissipation element 11 and the plurality of heat dissipation fins 17 .
• the heat dissipating plate member 11 of the illuminating diode device 1 includes six first grooves (not shown) formed on the first surface 112 of the heat dissipating plate member 11. Each of the groove pairs should wait for one of the first heat conducting elements 12, and its shape is in close contact with the outer surface of the first portion 122 of the corresponding first heat conducting element 12 to enhance heat dissipation. effectiveness. Moreover, a first heat conducting material is filled between the first portion 122 of each of the first heat conducting elements 12 and the corresponding first trench to further enhance heat dissipation efficiency.
• the illuminating diode device 1 includes two second heat conducting elements 18 attached to the first surface 112 of the heat dissipating plate member 11 to reinforce the heat dissipating plate member 11 and the plurality of heat dissipating fins 17 heat radiation.
• the second heat conducting elements 18 are interleaved with the first heat conducting elements 12 to achieve a better heat dissipation effect.
• the heat dissipating plate member 11 includes two second grooves (not shown in the drawing) formed on the first surface 112 of the heat dissipating plate member 11.
• Each of the second grooves corresponds to a second heat conducting element 18 of the second heat conducting element 18, and its shape is closely matched to the appearance of the corresponding second heat conducting element 18 to enhance heat dissipation efficiency.
• a heat conducting material is also filled between each of the second heat conducting elements 18 and the corresponding second trenches to further enhance heat dissipation efficiency.
• the number and arrangement of the second heat conduction elements 18 may be different from the foregoing, and should be determined depending on the overall structure of the product and the use environment. In principle, the aforementioned staggered arrangement still allows the heat sink element 11 to achieve a good heat dissipation effect.
• each of the optical elements 14 corresponds to a diode illuminating means 13 of the diode illuminating means 13 for adjusting the light field shape of the corresponding diode illuminating means 13.
• the bacteria are coupled to the heat dissipating plate member 11 to expose the plurality of heat dissipating fins 17 in the air, and form a space S for accommodating the first heat conducting elements 12 and the diode light emitting devices 13.
• the transparent cover 16 is engaged with the other periphery of the hollow tub 15 to close the space S, but is not necessary for sealing.
• the hollow barrel 15 is further connected to the heat sink element 11 by a heat-insulating ring 19 to reduce or insulate the heat conducted by the heat sink element 11 and form the light-emitting diode illumination.
• a heat-insulating ring 19 to reduce or insulate the heat conducted by the heat sink element 11 and form the light-emitting diode illumination.
• the LED lighting device 1 further includes a partition plate device 20, the partition plate member 20 is disposed in the hollow barrel 15, and the space S is further It is separated into a first chamber S1 and a second chamber S2.
• the partition plate member 20 has six first through holes 202 thereon, and each of the diode light-emitting devices 13 corresponds to a first through hole 202.
• each of the diode illuminators 13 passes through the corresponding first through hole 202 and is placed in the second chamber S2 (or in the corresponding first through hole 202).
• the divider 20 can assist in securing the diode illuminators 13 or the first thermally conductive elements 12.
• the position of the diode light-emitting device 13 relative to the partition plate member 20 is not limited to the above.
• FIG. 4A is a front elevational view of the optical component 1 in accordance with the preferred embodiment.
• Fig. 4B is a cross-sectional view taken along line W-W of Fig. 4A.
• each optical component 14 includes a support 142 and a lens 144.
• the support body 142 is detachably coupled to the corresponding diode light-emitting device 13.
• the support body 142 includes a first open end 1422 and a second port end 1424.
• the first open end 1422 is coupled to the corresponding diode illuminator 13 and the second open end 1424 receives the lens 144.
• the lens 144 may be an elliptical lens, a circular lens, a cat's eye lens, an irregular lens, a polygonal lens or other form of lens (or lens group).
• the lens 144 is a cat eye lens.
• the lens 144 includes a surface 1442 and defines a direction D along the surface 1442.
• the lens 144 forms a recess 1444 in the direction D on the surface 1442 such that light emitted through the lens can form a light field shape that meets a particular need.
• the direction is an elliptical minor axis of the lens 144.
• FIG. 5 is a schematic diagram showing the shape of a light field formed according to the preferred embodiment.
• the formed light field shape is bilaterally symmetrical, and it is shown that the light-emitting diode illumination device 1 can adjust the shape of the conventional circular light field to a left-right elongated shape, which is quite advantageous for the application of street lighting.
• the light-emitting diode lighting device of the present invention can form different light field shapes by configuring different lenses in accordance with different application requirements.
• the aforementioned lens is not limited to a single material, and a composite lens can also be used in the present invention.
• the refractive index of the middle of the lens is lower than the refractive index of the periphery or the refractive index of the lens is continuously changed to average the brightness within the shape of the light field.
• the packaging process of the general light-emitting diode also encapsulates the package material into a convex shape to form a simple positive lens. After the package, a positive lens is directly covered thereon to achieve the effect of collecting light. However, it is impossible to form the desired light field shape.
• the diode lighting device can use the above-described two package forms of the light emitting diodes to still effectively form the desired light field shape.
• FIG. 6 is a cross-sectional view of a light emitting diode illumination device according to an embodiment.
• the partitioning plate 20' of the LED lighting device forms a plurality of holes 204 in the vicinity of each of the first through holes 202, and the supporting body 142' of each of the optical elements 14'
• the first open end includes a plurality of hooks 1426. The hooks 1426 are inserted into the holes 204 to engage the support 142' to the divider member 20.
• FIG. 7 is a cross-sectional view of a light emitting diode lighting device according to another embodiment.
• the first open end of the support 142" of each optical component 14" of the LED illumination device includes a plurality of hooks 1426'.
• the hooks 1426' are inserted into the corresponding first through holes 202' to engage the support 142" to the partition member 20".
• the connection between the support body and the partition plate of the light-emitting diode lighting device of the present invention can also design the hook on the partition plate, and the hole is designed on the support body. Still achieve the purpose of detachable connection. In addition, it can be connected by means of screw locking.
• the LED device 1 further includes a heat-insulating plate device 21, the heat shield member 21 is disposed in the first chamber S1, and further The one chamber S1 is partitioned into a third chamber S12 and a fourth chamber S14.
• the heat insulating plate member 21 has six second through holes 212 thereon, and the second portion 124 of each of the first heat conducting members 12 corresponds to one of the second through holes 212 and passes through the second through hole 212. Corresponding second through hole 212. Therefore, the heat conducted to the heat dissipating plate member 11 is not radiated or conducted to the fourth chamber S14 due to the insulation of the heat insulating plate member 21, and the heat is prevented from thermally invading the diode illuminating device 13.
• the LED lighting device 1 further includes a heat insulating sleeve 22, which is sleeved in the second portion of the first heat conducting component 12 of the first heat conducting elements 12.
• the upper portion 124 is disposed on the second portion 124 of the fourth chamber S14 such that the heat generated by the diode light-emitting device 13 corresponding to the first heat-conducting element 12 during operation is not dissipated into the first portion.
• the four chambers S14 further enhance the heat dissipation efficiency of the heat sink element 11.
• the partition plate member 20 itself has a heat insulating function
• the heat insulating plate member 21 can be omitted to simplify the structural design.
• the foregoing structural description is also applicable to the foregoing specific embodiments, as shown in Figs. 6 and 7.
• each of the diode light-emitting devices can respectively correspond to different lenses to obtain a more diverse light field shape.
• the first heat conducting component 12 and the second heat conducting component 18 are respectively a heat pipe, a heat column, and a vapor cavity. Vapor chamber, or other thermally conductive element.
• the first heat conducting elements 12 and the second heat conducting elements 18 are separable Made of material with thermal coefficient.
• One of the diode light-emitting devices 13 includes at least one light-emitting diode or at least one laser diode, and can use different colors of light. Diode.
• the light-emitting diode lighting device of the present invention has a secondary optical design, and the optical field shape generated by the diode light-emitting device is adjusted by optical elements to meet different application requirements. Moreover, the LED lighting device can adjust and design optical components to produce a more diverse optical field shape to meet more diverse applications. It should be noted that the foregoing specific embodiment uses a street lamp as an example, but is not limited thereto. The application of the invention is applicable to anyone with a need for lighting, especially where there is a need for a particular light field shape.

Priority Applications (8)

Applications Claiming Priority (1)

Publications (2)

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ID=39588112

Family Applications (1)

Country Status (8)

Families Citing this family (7)

Citations (6)

Family Cites Families (12)

• 2006
  • 2006-12-30 EA EA200970661A patent/EA016078B1/ru not_active IP Right Cessation
  • 2006-12-30 EP EP06840746A patent/EP2098778A4/en not_active Withdrawn
  • 2006-12-30 JP JP2009543322A patent/JP2010515208A/ja active Pending
  • 2006-12-30 AU AU2006352634A patent/AU2006352634B2/en not_active Ceased
  • 2006-12-30 CA CA2674124A patent/CA2674124C/en not_active Expired - Fee Related
  • 2006-12-30 WO PCT/CN2006/003716 patent/WO2008080259A1/zh active Application Filing
  • 2006-12-30 BR BRPI0622246-3A patent/BRPI0622246A2/pt not_active IP Right Cessation
  • 2006-12-30 KR KR1020087027536A patent/KR101010590B1/ko not_active IP Right Cessation

Patent Citations (6)

Non-Patent Citations (1)

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