CN101307891A - Highly effective radiation LED lamps - Google Patents

Highly effective radiation LED lamps Download PDF

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Publication number
CN101307891A
CN101307891A CNA2007100223902A CN200710022390A CN101307891A CN 101307891 A CN101307891 A CN 101307891A CN A2007100223902 A CNA2007100223902 A CN A2007100223902A CN 200710022390 A CN200710022390 A CN 200710022390A CN 101307891 A CN101307891 A CN 101307891A
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CN
China
Prior art keywords
led
led light
open
light source
open radiator
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Pending
Application number
CNA2007100223902A
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Chinese (zh)
Inventor
史杰
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CNA2007100223902A priority Critical patent/CN101307891A/en
Priority to PCT/CN2007/001722 priority patent/WO2008138177A1/en
Priority to PCT/CN2008/000957 priority patent/WO2008138231A1/en
Publication of CN101307891A publication Critical patent/CN101307891A/en
Pending legal-status Critical Current

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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
    • F21V29/763—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention relates to a high heat dissipation LED lamp, which belongs to the lamp technical field. The LED lamp comprises a lamp body, and a PCB mounting plate, a PCB circuit board, an LED light source and a lens which are arranged on the lamp body. The LED lamp is characterized in that: the lamp body is provided with an LED electrical apparatus cavity, an open heat dissipation cavity and an LED lighting cavity which are sequentially connected into a whole; the LED electrical apparatus cavity consists of an upper cover plate, the PCB circuit board and the PCB installing plate; the open heat dissipation cavity is a space formed by installing a plurality of grille-like thermal conductive ribs in disorder on the upper part of an open heating body; and an LED wire hole and an LED receiving hole are arranged on the lower surface of the open heating body; the LED lighting cavity consists of the open heating body, the LED light source, the lens, an LED substrate, a lampshade and a lower cover plate. The LED lamp has the advantages of prolonging service life of LED lamps and keeping constant luminous effect, along with rational and compact structure, easy manufacture and good heat dissipation effect.

Description

The LED light fixture of high efficiency and heat radiation
Technical field
The invention discloses the LED light fixture three cavity body structure methods for designing of high efficiency and heat radiation and adopted the light fixture of the LED light fixture three cavity body structure methods for designing of high efficiency and heat radiation, particularly a kind of array type large power LED light fixture.
Background technology
It is low that LED has energy consumption, and caloric value is hanged down the advantage with long service life, can substitute conventional light source fully.Consider single chip LED luminosity deficiency, the LED lamp generally adopts led array formula structure, has produced the LED light fixture rare problem of dispelling the heat thus.
In Chinese patent application publication number CN1277665A document, a kind of LED lamp heat sink conception is disclosed, its heat radiation is the heat that absorbs the pedestal that connects LED by the joint pin in the lamp body in this scheme, still in lamp body, dispel the heat then, because it is repeatedly to dispel the heat indirectly, and in the sealing lamp body, dispel the heat poor effect.
In Chinese patent application publication number CN1359137A document, a kind of heat pipe lamp heat sink conception is disclosed, its heat radiation is the heat that absorbs light-emitting device by super heat-conductive pipe one end in this scheme, in other end transfer of heat to the lamp body radiating piece that contacts with air, because it is still repeatedly heat radiation indirectly, effect is still not good.
In Chinese patent Granted publication CN2557805Y document, a kind of high-powered LED lamp heat sink conception is disclosed, its heat radiation is the lamp body radiating piece that is sent to the lamp body contact that contacts with air by the heat of absorption of air LED in the lamp body in this scheme, still belongs to indirect heat radiation, and effect is also not good.
In Chinese patent application publication number CN1594962A document, a kind of LED lamp heat sink conception is disclosed, its heat radiation is that the heat of LED sees through that light source board reaches the heat conductive insulating film and the heat conductive insulating adhesive plaster reaches heat-dissipating casing again in this scheme, also is indirect heat radiation, and effect is still not good.
In Chinese patent application publication number CN1605794A document, a kind of heat sink conception of LED shot-light is disclosed, its heat radiation is the heat-dissipating casing that is sent to the air contact by the heat of air in the lamp body or inserts absorption LED in this scheme, is still indirect heat radiation, still poor effect.
In Chinese patent application publication number CN1603679A document, a kind of LED lamp heat sink conception is disclosed, its heat radiation is that the heat (mainly being the heat of LED basal part) of LED sees through wiring board and leads the heat radiation glue-line and is sent to heat sink in this scheme, still is indirect heat radiation, still poor effect.
Summary of the invention
The purpose of patent of the present invention is the shortcoming that overcomes above-mentioned prior art, and a kind of high efficiency and heat radiation effect that has is provided, and energy consumption is low, long service life, the LED light fixture of the powerful high efficiency and heat radiation that optical energy attenuation is little.
The object of the present invention is achieved like this, the LED light fixture of high efficiency and heat radiation, comprise the PCB installing plate of installing on lamp body and the lamp body, PCB circuit board 2, led light source and lens, it is characterized in that lamp body is provided with the LED electric apparatus chamber (I) that fuses in order, open heat radiation chamber (II), LED illumination cavity (III), the LED electric apparatus chamber is by upper cover plate 1, PCB circuit board 2, PCB installing plate 3 three parts are formed, open heat radiation chamber is the space that open radiator 6 tops have many in picturesque disorder grid-like heat conduction ribs to form, open radiator 6 lower surfaces have perforation 4 of LED lead and LED containing hole 5, the LED illumination cavity is by open radiator 6, led light source and lens 7, LED substrate 8, lampshade plate 9, lower cover 10 is formed, led light source and lens 7 are connected on the LED substrate 8, LED substrate 8 close attachment are in the LED containing hole 5 of open radiator 6 lower surfaces, and the LED lead perforation 4 that the LED lead passes on the open radiator 6 is connected with PCB circuit board 2 with hole on the PCB installing plate 3; LED substrate 8 and open radiator 6 bottom surface thermo-contacts.
Described thermo-contact is the heat-conducting glue contact.
Described upper cover plate 1, open radiator 6, lower cover 10 all are exposed in the air.
LED electric apparatus chamber (I), the LED illumination cavity (III) of the described LED light fixture that uses in outdoor lighting, its inside cavity must be airtight, reach the above waterproof requirement of IP65, the LED electric apparatus chamber (I) of the LED light fixture of indoor lighting, LED illumination cavity (III), its inside cavity reaches IP20.
The chip of described led light source and lens 7 is directly to be encapsulated in the open radiator 6, directly forms the heat conduction with open radiator 6 bottom surfaces.
The present invention's compactness rational in infrastructure is manufactured easily good heat dissipation effect.The LED light fixture three cavity body structures design of high efficiency and heat radiation mainly comprises three funtion parts: LED electric apparatus chamber body portion; Open heat-dissipating cavity part; LED illumination cavities part.Three funtion parts of this of lamp body fuse in order.LED electric apparatus chamber body portion is made up of upper cover plate 1, PCB circuit board and respective electronic components and parts 2, PCB installing plate 3 three parts; Open heat-dissipating cavity partly is the space that the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops form, and open radiator 6 lower surfaces have perforation 4 of LED lead and LED containing hole 5; LED illumination cavities part is made up of open radiator 6, led light source and lens 7, LED substrate 8, lampshade plate 9, lower cover 10 5 parts.Led light source and lens 7 are connected on the LED substrate 8, LED substrate 8 close attachment are in the LED of open radiator lower surface containing hole 5, and the LED lead passes on LED lead perforation 4 and the PCB installing plate 3 on the open radiator corresponding hole and realizes that with PCB circuit board 2 circuit are connected then; LED substrate 8 and open radiator 6 bottom surface thermo-contacts, led light source and lens 7 heats are conducted into open radiator 6, open radiator 6 is exposed in the air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.In addition, use the LED light fixture of this three cavity body structures method for designing design, make the isolation on LED electric apparatus chamber body portion and the LED illumination cavities part implementation space, these two cavitys working environment separately is independent of each other, the heat that produces can not form stack when LED electric apparatus chamber body portion and LED illumination cavities were partly worked, thereby realized cooling-down effect by the reasonable disposition of space structure, further prolong the service life of LED light fixture and kept the constant of illumination effect.
PCB installing plate, upper cover plate, open radiator, LED substrate, lower cover as the LED light fixture are to be made by Heat Conduction Material, and Heat Conduction Material is aluminium alloy or copper alloy or other heat-conducting metal alloys.
Described PCB circuit board 2 is to be provided with separately; Also can adopt thick-film technique that circuit directly is printed on open radiator 6 upper surfaces; Perhaps do not adopt PCB circuit board 2 with thick-film technique, but adopt battery pack, battery or other electric supply installation that led light source and the required operating voltage of lens 7 work directly are provided.
And the upper cover plate of described lamp body, open radiator, lower cover all are exposed in the air.
In addition, realize close attachment by heat-conducting glue or other Heat Conduction Material between described LED substrate and the open radiator lower surface LED containing hole; Perhaps, the LED containing hole 5 of described open radiator 6 lower surfaces can not wanted yet, and led light source and lens 7 directly are attached to open radiator 6 bottom surfaces.
And described upper cover plate, open radiator, lower cover all are exposed in the air.
Again and, when being used in outdoor lighting, the LED electric apparatus chamber body portion of described LED light fixture, LED illumination cavities part, its inside cavity must be airtight, requires to reach the above waterproof requirement of IP65; When being used in indoor lighting, the LED electric apparatus chamber body portion of described LED light fixture, LED illumination cavities part, its inside cavity require to reach and require about IP20 to get final product.
In addition, described led light source and lens also can adopt thereon more additional other light to be had the device of management role.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention;
Fig. 2 is the structural principle schematic diagram of LED road lamp cap of the present invention;
Fig. 3 is the sectional structure principle schematic of road lamp cap among Fig. 2;
Fig. 4 is a LED Tunnel Lamp sectional structure principle schematic of the present invention;
Fig. 5 is a LED shot-light sectional structure principle schematic of the present invention;
Fig. 6 is a LED Projecting Lamp sectional structure principle schematic of the present invention;
Fig. 7 is a LED wall lamp sectional structure principle schematic of the present invention;
Fig. 8 is a LED recessed luminaire sectional structure principle schematic of the present invention;
Fig. 9 is a LED pendent lamp sectional structure principle schematic of the present invention;
Figure 10 is a LED lamp affixed to the ceiling sectional structure principle schematic of the present invention;
Figure 11 is a LED cup lamp sectional structure principle schematic of the present invention.
Figure 12 is a LED headlight for vehicles sectional structure principle schematic of the present invention.
Among the figure: the 1st, upper cover plate, the 2nd, PCB circuit board, the 3rd, PCB installing plate, the 4th, the perforation of LED lead, the 5th, LED containing hole, the 6th, open radiator, the 7th, led light source and lens, the 8th, LED substrate, the 9th, lampshade plate, the 10th, lower cover, the 11st, the wind deflector, (I) being LED electric apparatus chamber body portion, (II) is open heat-dissipating cavity part, (III) is LED illumination cavities part.
The specific embodiment
Embodiment 1, as Fig. 2, shown in Figure 3.The LED road lamp cap is strip, and its open radiator 6 lower surfaces edge direction is in length and breadth arranged plurality of LEDs light source and lens 7 respectively; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 2, as shown in Figure 4.The LED Tunnel Lamp, its open radiator 6 lower surfaces edge direction is in length and breadth arranged plurality of LEDs light source and lens 7 respectively; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 3, as shown in Figure 5.The LED shot-light, its open radiator 6 lower surfaces edge direction is in length and breadth arranged plurality of LEDs light source and lens 7 respectively; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 4, as shown in Figure 6.The LED Projecting Lamp, its open radiator 6 lower surfaces edge direction is in length and breadth arranged plurality of LEDs light source and lens 7 respectively; Every LEDs light source 7 is attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 5, as shown in Figure 7.The LED wall lamp, its open radiator 6 lower surfaces are arranged plurality of LEDs light source and lens 7 respectively along the light fixture length direction; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 6, as shown in Figure 8.The LED recessed luminaire, its open radiator 6 lower surfaces edge direction is in length and breadth arranged plurality of LEDs light source and lens 7 respectively; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 7, as shown in Figure 9.The LED pendent lamp, its open radiator 6 lower surfaces are arranged plurality of LEDs light source and lens 7 respectively along the light fixture length direction; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 8, as shown in figure 10.The LED lamp affixed to the ceiling, its open radiator 6 lower surfaces along along direction (light fixture is a strip) in length and breadth or around the center of circle (light fixture is for circular) arrange plurality of LEDs light source and lens 7 respectively; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 9, as shown in figure 11.LED cup lamp, its single of open radiator 6 lower surface arrangement or arrange plurality of LEDs light source and lens 7 around the center of circle; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
Embodiment 10, as shown in figure 12.The LED headlight for vehicles, its single of open radiator 6 lower surface arrangement or arrange plurality of LEDs light source and lens 7 around the center of circle; Every LEDs light source and lens 7 are attached in the open radiator 6 lower surface LED containing holes 5 by LED substrate 8, led light source and lens 7 leads pass the perforation 4 of LED lead and realize that with PCB circuit board and respective electronic components and parts 2 circuit is connected, most heats that led light source 7 produces directly are conducted into open radiator 6 lower surfaces until the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, because the open heat-dissipating cavity part of this light fixture (II) directly is exposed in the outside air, extraneous natural wind is realized hot-air and extraneous cold air convection in the open heat-dissipating cavity by the space between wind-guiding stream plate 11 and the many in picturesque disorder grid-like heat conduction ribs in open radiator 6 tops, the heat that led light source 7 is produced distributes to greatest extent rapidly, thereby has realized radiating effect efficiently.
The foregoing description is an exemplary embodiment of the present invention, in other different embodiment, can do different adjustment to technical scheme.In above-mentioned example, led light source 7 is to realize and the contacting of open radiator 6 by LED basal disc 8, in other examples, can make led light source directly and 6 realizations of open radiator contact.
In the above-described embodiments, be provided with the PCB circuit board 2 of bearer circuit separately, can circuit directly be printed on open radiator 6 upper surfaces with thick-film technique in other embodiments, the heat that PCB circuit board and respective electronic components and parts 2 are produced conducts to the same manner on the many in picturesque disorder grid-like heat conduction ribs of open radiator 6, realizes the high efficiency and heat radiation effect by air from convection type then.

Claims (8)

1, a kind of LED light fixture of high efficiency and heat radiation, comprise the PCB installing plate of installing on lamp body and the lamp body, PCB circuit board (2), led light source and lens, it is characterized in that lamp body is provided with the LED electric apparatus chamber (I) that fuses in order, open heat radiation chamber (II), LED illumination cavity (III), the LED electric apparatus chamber is by upper cover plate (1), PCB circuit board (2), PCB installing plate (3) three parts are formed, open heat radiation chamber is the space that open radiator (6) top has many in picturesque disorder grid-like heat conduction ribs to form, open radiator (6) lower surface has the perforation of LED lead (4) and LED containing hole (5), the LED illumination cavity is by open radiator (6), led light source and lens (7), LED substrate (8), lampshade plate (9), lower cover (10) is formed, led light source and lens (7) are connected on the LED substrate (8), LED substrate (8) close attachment is in the LED containing hole (5) of open radiator (6) lower surface, and the LED lead perforation (4) that the LED lead passes on the open radiator (6) is connected with PCB circuit board (2) with hole on the PCB installing plate (3); LED substrate (8) and open radiator (6) bottom surface thermo-contact.
2, the LED light fixture of high efficiency and heat radiation according to claim 1 is characterized in that described thermo-contact is the heat-conducting glue contact.
3, the LED light fixture of high efficiency and heat radiation according to claim 1 is characterized in that described upper cover plate (1), open radiator (6), lower cover (10) all are exposed in the air.
4, the LED light fixture of high efficiency and heat radiation according to claim 1, the LED electric apparatus chamber (I), the LED illumination cavity (III) that it is characterized in that the described LED light fixture that uses in outdoor lighting, its inside cavity must be airtight, reach the above waterproof requirement of IP65, the LED electric apparatus chamber (I) of the LED light fixture of indoor lighting, LED illumination cavity (III), its inside cavity reaches IP20.
5, the LED light fixture of high efficiency and heat radiation according to claim 1, the chip that it is characterized in that described led light source and lens (7) are directly to be encapsulated in the open radiator (6), directly form the heat conduction with open radiator (6) bottom surface.
6, the LED light fixture of high efficiency and heat radiation according to claim 1 is characterized in that described PCB circuit board (2) is to be provided with separately; Also can adopt thick-film technique that circuit directly is printed on open radiator (6) upper surface; Perhaps do not adopt PCB circuit board (2) with thick-film technique, but adopt battery pack, battery or other electric supply installation that led light source and the required operating voltage of lens (7) work directly are provided.
7, the LED light fixture of high efficiency and heat radiation as claimed in claim 1 is characterized in that accompanying open radiator (6) bottom surface of described led light source and lens (7) is the curved surface of plane, curved surface or other shape.
8, the LED light fixture of high efficiency and heat radiation as claimed in claim 1 is characterized in that the LED containing hole (5) of described open radiator (6) lower surface can not wanted yet, and led light source and lens (7) directly is attached to open radiator (6) bottom surface
CNA2007100223902A 2007-05-16 2007-05-16 Highly effective radiation LED lamps Pending CN101307891A (en)

Priority Applications (3)

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CNA2007100223902A CN101307891A (en) 2007-05-16 2007-05-16 Highly effective radiation LED lamps
PCT/CN2007/001722 WO2008138177A1 (en) 2007-05-16 2007-05-28 An led lighting fixture with high-efficiency radiation effect
PCT/CN2008/000957 WO2008138231A1 (en) 2007-05-16 2008-05-16 Led lamp of highly efficient heat dissipation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100223902A CN101307891A (en) 2007-05-16 2007-05-16 Highly effective radiation LED lamps

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WO (2) WO2008138177A1 (en)

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