CN102818176A - LED (light-emitting diode) street lamp using double-sided radiator structure - Google Patents

LED (light-emitting diode) street lamp using double-sided radiator structure Download PDF

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Publication number
CN102818176A
CN102818176A CN2012102536832A CN201210253683A CN102818176A CN 102818176 A CN102818176 A CN 102818176A CN 2012102536832 A CN2012102536832 A CN 2012102536832A CN 201210253683 A CN201210253683 A CN 201210253683A CN 102818176 A CN102818176 A CN 102818176A
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CN
China
Prior art keywords
led
bulb
sided
support
electric connector
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Granted
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CN2012102536832A
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Chinese (zh)
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CN102818176B (en
Inventor
张继强
张哲源
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Guizhou Guangpusen Photoelectric Co Ltd
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Guizhou Guangpusen Photoelectric Co Ltd
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Priority to CN201210253683.2A priority Critical patent/CN102818176B/en
Publication of CN102818176A publication Critical patent/CN102818176A/en
Priority claimed from EP13822156.9A external-priority patent/EP2876356B1/en
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Publication of CN102818176B publication Critical patent/CN102818176B/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention discloses an LED (light-emitting diode) street lamp using a double-sided radiator structure. The LED street lamp comprises a double-sided radiator (103) which is molded by metal through extrusion; a mounting interface is installed on the double-sided radiator (103); an LED bulb (102) is disposed on the mounting interface; the double-sided radiator (103) is mounted on a lamp pole (108); and a lamp shell (101) which is molded by metal through extrusion or molded by plastic through die casting is disposed outside the double-sided radiator (103). The LED street lamp disclosed by the invention has the advantage of being simple in structure, low in cost and rapid and convenient to mount, use and maintain, and hard in fault magnification. According to the LED street lamp using the double-sided radiator structure, the bulb of the LED lamp, the lamp and a lighting control product are independent in production and use, therefore, production links of the LED street lamp can be greatly reduced, mass production is realized; and the LED street lamp using the double-sided radiator structure is beneficial for application and large-scale industrialization of LED energy-saving lighting products.

Description

Adopt the LED street lamp of two-sided heat spreader structures
Technical field
the present invention relates to a kind of LED street lamp with radiator, relate in particular to a kind of LED street lamp that adopts two-sided heat spreader structures.
Background technology
semiconductor lighting is as lighting engineering of new generation; Have photoelectric conversion rate height, the easy control of light source direction, illumination period and mode and be prone to have five incomparable big power savings advantages of higher other existing lighting engineering such as power factor under control, color rendering properties of light source height, the appropriate design, receive the favor of global investor and vigorously supporting of national governments.The luminous efficiency of current LED illuminating lamp can surpass 70LM/W mostly, has more power savings advantages than traditional electricity-saving lamp.The green light LED luminous efficiency can be up to 683LM/W in theory; The theoretical efficiency of white light LEDs also can reach 182.45LM/W, so the space that the LED illumination efficiency promotes is huge.
are in existing LED illuminating product design; High-powered LED lamp particularly; Because heat radiation when setting up a high-powered LED lamp, is adopted LED optical mode group, driving power and the design of light fixture three in one; Be that parts such as LED optical mode group, driving power and light fixture must form a complete production network, formed the situation of so-called " LED has lamp not have bulb ".This has brought a series of fatal problems such as manufacturing cost is high, use inconvenience, maintenance difficult for the LED illuminating product.At first make to go up the unified standard production that can't realize the whole nation and even the whole world, cause product specification many, batch less, expensive; Next is that each tame product is of all kinds, and is not general mutually, more can not exchange; The 3rd need take off maintenance with assembly integrals such as LED optical mode group, driving power, light fixtures when being product bug, and maintenance is inconvenience very, is very easy to form defectives such as fault extension and maintenance delay, maintenance cost is high.These defectives have greatly restricted promoting the use of of LED illumination, are the hard defects during the LED illuminating product is promoted.
Summary of the invention
the objective of the invention is to, and a kind of LED street lamp that adopts two-sided heat spreader structures is provided.This LED lamp post structure is simple, cost is low, it is cheap fast convenient to install, use, safeguard; Be difficult for the fault extension; Bulb, light fixture and the illumination control product of having realized the LED lamp be in the independence of producing and using, and reduces production link significantly, realized the mass of producing, helps the application and the industrial scale of LED energy-saving illumination product.
are for solving the problems of the technologies described above; Technical scheme provided by the invention is following: the LED street lamp that adopts two-sided heat spreader structures; Comprise that two-sided radiator is provided with installation interface by the two-sided radiator of metal extrusion modling, installation interface is provided with the LED bulb; Two-sided radiator is installed on the lamp stand; Two-sided radiator is provided with the lamp housing of metal extrusion modling or plastics die cast outward, adopts the LED street lamp of two-sided heat spreader structures also to comprise Wiring harness connector, and Wiring harness connector is used for a plurality of LED bulbs are inserted power supply and control circuit.
In the LED street lamp of two-sided heat spreader structures of aforesaid employing, described two-sided radiator comprises substrate, and the substrate both sides are equipped with fin, and substrate is provided with cable aperture; Substrate one side is provided with the installation interface that is used to install the LED bulb, and the fin around the substrate installation interface goes out irradiation angle according to bulb and cuts circle or oval cone space, exceeds to guarantee not block the light that the LED bulb sends; The substrate opposite side is provided with wire support, and wire support is used for that the LED bulb is drawn lead and inserts Wiring harness connector; Described installation interface comprises the face and the hole that is connected that contacts with the LED bulb on the two-sided radiator that be positioned at.
In the LED street lamp of two-sided heat spreader structures of aforesaid employing, on one side the substrate of described two-sided radiator connects L shaped connecting plate, L shaped connecting plate connects lamp stand; Said Wiring harness connector is arranged on the two-sided radiator.
In the LED street lamp of two-sided heat spreader structures of aforesaid employing; The substrate of described two-sided radiator or central authorities are provided with the support installing hole, and two-sided radiator installs and fixes with street lamp through support installing hole and lamp stand retainer ring and is bolted on the lamp stand; Described Wiring harness connector is arranged in the lamp stand of two-sided radiator connection.
In the LED street lamp of two-sided heat spreader structures of aforesaid employing; Described installation interface is provided with 6 flange fixing holes and is distributed on the diameter D1, and diameter D1 is that LED bulb D outer diameter subtracts the boundary values of staying that hold-down screw nut diameter deducts 0.8 ~ 4mm again.
In the LED street lamp of two-sided heat spreader structures of aforesaid employing; Described LED bulb is the LED bulb of tool waterproof and dustproof function; Constructive method is: through bonding ray machine module on flanged (FLGD) heat conduction support of a metal; Be centered around the edge of ray machine module with annular nonmetallic support lining, and the support lining be fixed on the heat conduction support, with heat conduction support and support lining be the bulb structure center carry out the bulb parts installation with formation LED bulb; Thereby make simple in structure smooth between ray machine module and heat conduction support, be beneficial to the heat radiation of LED; Described ray machine module is formed by ray machine template, led chip group and relevant circuit and through solid crystalline substance and encapsulation, or wherein also is integrated with the powered chip, and the LED bulb is installed on the installation interface through flange.
Aforesaid LED street lamp, in the said LED bulb constructive method, said flanged (FLGD) heat conduction stent diameter is the bulb D outer diameter, the bulb D outer diameter becomes W=1.1812e with the LED bulb power upper limit W of formation 0.0361D Relation, at W=1.1812e 0.0361D Relation curve on D get the LED bulb that discrete numerical value makes up a plurality of fixedly bulb D outer diameter sizes, to improve the interchangeability and the versatility of LED bulb; In said bulb D outer diameter, at W=1.1812e 0.0361D Relation curve on, D is a lower limit with 20mm, is the upper limit with 130mm, per 10 millimeters is 1 section, is divided into 12 sections and constitutes limited amount bulb external diameter specifications, comes the further interchangeability and the versatility of raising LED bulb with a spot of bulb external diameter specification; The installation interface of corresponding two-sided radiator is provided with the flange fixing hole on said flanged (FLGD) heat conduction support.
aforesaid LED street lamp, in the said LED bulb constructive method, said support lining carries out hot pressing through projection on the support lining and the riveted holes on the heat conduction support and is riveted on the heat conduction support; Described ray machine template is the metal material heat-conducting substrate, obtains circuit through the PCB printed-board technology; Or be the nonmetallic materials heat-conducting substrate, adopt the chimeric circuit of silver slurry printed circuit technique on it; Ray machine module outer ring is surrounded by the nonmetallic support lining of annular; Sprayed with fluorescent powder covers transparent silica gel again on the led chip on the said ray machine module; The blue ruddiness proportional arrangement that perhaps the led chip quantity on the ray machine module is needed by plant, the led chip that welding is good only covers the transparent silica gel encapsulation; Perhaps, the led chip on the said ray machine module is only by transparent silica gel encapsulation, the outer convex inner cover that inboard coating fluorescent material is set then on the ray machine module after encapsulation; Not sealing of led chip on the perhaps said ray machine module, the outer spill inner cover that the transparent insulation conductive fluid is housed that is provided with is provided with fluorescent material in the transparent insulation conductive fluid, the elasticity inner cover that said spill inner cover is slim concave inward structure on the ray machine module; Described luminous intensity distribution optical lens directly is bonded on the support lining; Also be provided with the lens snap ring outside the support lining and block the luminous intensity distribution optical lens; Or directly be bonded with outer bulb envelope, thereby the ray machine module is enclosed in the waterproof closed area of support lining, heat conduction support and outer bulb envelope or luminous intensity distribution optical lens; For preventing the lens accidental, be provided with lens snap ring hold-down screw the lens snap ring is fixed on the support lining.
aforesaid LED street lamp; In the said LED bulb constructive method; Offer perforation on said heat conduction support and the support lining, insert perforation, and be that stiff end is fixed with the part of inserting bulb inside at the public head of electric connector that will the band contact pin; Ray machine module welding in the tail end of contact pin and the LED bulb makes to form a simple electric interfaces on the LED bulb outer surface; Through to the eccentric position in the public head of said electric connector hole on the heat conduction support and the qualification of the public stiff end size of electric connector, make the ray machine template in the LED bulb can satisfy needs and the contraposition needs of arranging led chip and driving power chip; The electric connector of described band contact pin is four needle constructions, and wherein, two pins are that power supply inserts; Two pins insert for control; Said stiff end is nut fixed form or welded ring fixed form; When stiff end is the nut fixed form, between public head of electric connector and heat conduction support, increases waterproof apron and carry out waterproof; For preventing rotation, on the public head of electric connector anti-slip tank is set, perforation place of described heat conduction support is provided with respective bump.
In aforesaid LED street lamp, on the installation interface of said two-sided radiator base plate with the heat conduction support of LED bulb on the public correspondence position of electric connector be provided with the female head of electric connector, on the female head of electric connector 3 hole flanges are set; Only need when the LED bulb is installed the public head of electric connector with after female of electric connector docks, fixed L ED bulb is promptly realized being electrically connected of LED bulb again; On the female head of electric connector caulking groove is set, waterproof apron is set in the caulking groove carries out waterproof; Between female head of electric connector and two-sided radiator base plate, be provided with the secured adjusted rubber cushion and regulate thickness, guarantee that the anti-water surface is tight; Or fixedly carry out waterproof in the screw-internal thread fit that hold-down nut on external screw thread and the female head of the electric connector that is provided with waterproof apron is set on the public head of electric connector; Or the LED bulb is electrically connected employing cable fixing head lead-in wire.
In aforesaid LED street lamp; LED bulb by said LED bulb constructive method formation: comprise flanged (FLGD) heat conduction support; The heat conduction support is provided with the support lining, is provided with the ray machine module between heat conduction support and the support lining, and the support lining is centered around around the ray machine module; Heat conduction support, support lining and ray machine module are formed the LED ray machine module of band heat conduction support; Described ray machine module is formed by ray machine template, led chip group and relevant circuit and through solid crystalline substance and encapsulation, or wherein also is integrated with the powered chip.
aforesaid LED street lamp, in the LED bulb that constitutes by LED bulb constructive method: said heat conduction support is provided with support lining riveted holes, and support lining riveted holes and support on the support lining serve as a contrast the projection hot pressing riveted and fixed that matches.Described ray machine template is the metal material heat-conducting substrate, obtains circuit through the PCB printed-board technology; Or be the nonmetallic materials heat-conducting substrate, adopt the chimeric circuit of silver slurry printed circuit technique on it.
aforesaid LED street lamp, press in the LED bulb of LED bulb constructive method formation: the led chip peripheral hardware convex inner cover of said band transparent silica gel, convex inner cover internal layer is provided with fluorescent coating; Perhaps said led chip does not encapsulate silica gel; The outer spill inner cover that the transparent insulation conductive fluid is housed that is provided with of said led chip; Led chip is immersed in the transparent insulation conductive fluid, is provided with fluorescent material in the transparent insulation conductive fluid, the elasticity inner cover that said spill inner cover is slim concave inward structure.
aforesaid LED street lamp; In the LED bulb by LED bulb constructive method formation: said heat conduction support is provided with electric connector; Electric connector comprises the public head of electric connector; The public head of said electric connector is provided with contact pin, the contact pin solder joint of contact pin rear and the welding of ray machine module; The public head of said electric connector passes and is provided with stiff end behind the public fixing hole of connector on the LED bulb and fixes; The public head of electric connector is connected with the female head of the electric connector of band jack, and the female head of electric connector links to each other with cable; Described electric connector contact pin is four needle constructions, and wherein: two pins are that power supply inserts; Two pins insert for control.
aforesaid LED street lamp, in the LED bulb by LED bulb constructive method formation: said stiff end is a welded ring; Perhaps said stiff end is a hold-down nut, on the public head of electric connector the waterproof apron caulking groove is set also, in the waterproof apron caulking groove waterproof apron is set; For preventing rotation, on the public head of electric connector anti-slip tank is set, perforation place of described heat conduction support is provided with respective bump.
aforesaid LED street lamp; In the LED bulb by LED bulb constructive method formation: the female head of said electric connector is provided with three hole flanges; And fix through female hold-down screw of three hole flanges and connector and two-sided radiator; And also be provided with the secured adjusted rubber cushion between flange and the two-sided radiator, guarantee that the anti-water surface is tight.
aforesaid LED street lamp; In the LED bulb that constitutes by LED bulb constructive method: the public head of said electric connector is provided with external screw thread, is fixed on the public head of electric connector through the screw-internal thread fit that goes up hold-down nut with the female head of the electric connector that is provided with waterproof apron.
aforesaid LED street lamp, in the LED bulb by LED bulb constructive method formation: the female head of said electric connector is provided with caulking groove, is provided with waterproof apron in the caulking groove.
aforesaid LED street lamp; In the LED bulb by LED bulb constructive method formation: described luminous intensity distribution optical lens directly is bonded on the support lining; Also be provided with the lens snap ring on the support lining external diameter and block the luminous intensity distribution optical lens, or directly be bonded with outer bulb envelope.For preventing the lens accidental, be provided with lens snap ring hold-down screw the lens snap ring is fixed on the support lining.
compared with prior art, light fixture of the present invention is a core with two-sided radiator, LED bulb and other all auxiliary members are all installed concentratedly on two-sided radiator, and are simple in structure, cost is low, installation, use, easy to maintenance.The present invention in use; The fin of two-sided radiator has stronger self-cleaning ability perpendicular to ground; And two-sided radiator fin up and down is in two kinds of different hot workings, because the protection of lamp housing is arranged, the severe contamination of the fin of any single face can not cause inefficacy simultaneously; The present invention has the ability of very strong windproof, waterproof, antidusting plug and worm plug, even at the sand and dust especially severe and there is not the environment of rain for a long time, the present invention still can operate as normal.
LED street lamp of the present invention only is light fixture and two parts of LED bulb of core component with two-sided radiator, and the LED street lamp overall structure of setting up like this is simple; In the LED street lamp of the present invention, two-sided radiator light fixture and LED bulb need not to produce simultaneously, and two-sided radiator light fixture and LED bulb also need not to install simultaneously when installing; Realized light fixture and LED bulb on producing with the independence of using; Can reduce production link significantly, improve production lotization, be convenient to standardization large-scale production, help the industrialization of LED energy-saving illumination product, and have very high versatility and interchangeability.
the present invention moves on the support lining through the mounting structure with LED bulb parts; Make led chip simpler to the structure between thermal component; The chip heating can conduct to rapidly on the heat conduction support and disperse, and helps reducing the led chip junction temperature, improves the service life of led light source.The support lining is nonmetallic materials; Utilize hot pressing to rivet mutually with metallic heat conduction support; Stability Analysis of Structures not only, and can realize the seamless combination of heat conduction support and support lining making the ray machine module water proofing property after outer cover or lens are installed that is clamped between heat conduction support, the support lining better.
Two-sided radiator among the present invention need not born more waterproof and dustproof function as conventional road lamp, compare conventional road lamp, and LED bulb self just has enough waterproof and dustproof effects among the present invention.This makes LED street lamp of the present invention in design, have more condition to consider practicality, aesthetic feeling and personalization that light fixture is whole.
the present invention is simple in structure, cost is low, it is cheap fast convenient to install, use, safeguard; Be difficult for the fault extension; Bulb, light fixture and the illumination control product of having realized the LED lamp be in the independence of producing and using, and reduces production link significantly, realized the mass of producing, helps the application and the industrial scale of LED energy-saving illumination product.
Description of drawings:
Fig. 1 is the structure chart of the embodiment of the invention 1;
Fig. 2 is the outside drawing of the embodiment of the invention 1;
Fig. 3 is the inspecting state figure of the embodiment of the invention 1;
Fig. 4 is the sectional drawing of the two-sided radiator of the present invention;
Fig. 5 is an embodiment of the invention LED optical mode group structural representation;
Fig. 6 is an embodiment of the invention heat conduction supporting structure sketch map;
Fig. 7 is an embodiment of the invention support lining structure sketch map;
Fig. 8 is the LED optical mode group structural representation of the protruding inner cover of embodiment of the invention band;
Fig. 9 is the LED optical mode group structural representation of the recessed inner cover of embodiment of the invention band;
Figure 10 is an embodiment of the invention spill inner cover profile;
Figure 11 is the electric connector assembling sketch map of the flange fixed form of the embodiment of the invention;
Figure 12 is the public header structure sketch map of clinkering ring stiff end electric connector of the present invention;
Figure 13 is the public header structure sketch map one of nut stiff end electric connector of the present invention;
Figure 14 is the public header structure sketch map two of nut stiff end electric connector of the present invention;
Figure 15 is the public header structure sketch map of the externally threaded electric connector of band of the present invention;
Figure 16 is the electric connector assembling sketch map of the hold-down nut connected mode of the embodiment of the invention;
Figure 17 is the female header structure sketch map of the electric connector of the curved fixed connection of the present invention;
Figure 18 is the female header structure sketch map of electric connector that the straight type of the present invention is fixedly connected;
Figure 19 is the female header structure sketch map of electric connector that the straight type on-fixed of the present invention connects;
Figure 20 is the schematic appearance of LED bulb luminous intensity distribution optical lens scheme of the present invention;
Figure 21 is the protruding outer cover scheme of a LED bulb of the present invention schematic appearance;
Figure 22 is a LED bulb flange heat conduction support perforate sketch map of the present invention;
Figure 23 is a LED bulb schematic appearance of the present invention;
Structure chart when Figure 24 is the embodiment of the invention 1 use lamp stand retainer ring;
Outside drawing when Figure 25 is the embodiment of the invention 1 use lamp stand retainer ring;
Inspecting state figure when Figure 26 is the embodiment of the invention 1 use lamp stand retainer ring;
Figure 27 is the two-sided radiator installation interface of a present invention perforate sketch map.
Reference numeral:
3-heat conduction support, 4-ray machine module, 5-support lining, 6-convex inner cover, 7-luminous intensity distribution optical lens; 8-lens snap ring, 9-outer bulb envelope, the female head of 10-electric connector, the public head of 11-electric connector, 14-lens snap ring hold-down screw; The 15-stiff end, 16-waterproof apron, 17-contact pin, 18-waterproof apron caulking groove, 19-contact pin solder joint; The solder joint of 21-ray machine module, the public fixing hole of 22-interface, 24-secured adjusted rubber cushion, the female hold-down screw of 25-connector, 26-anti-slip tank; The 28-hold-down nut, 61-spill inner cover, 62-encircles cover, 101-lamp housing, 102-LED bulb; The two-sided radiator of 103-, 104-lamp housing hold-down screw group, 105-bulb hold-down screw, 106-Wiring harness connector, 107-Wiring harness connector support and screw; The 108-lamp stand, the 109-street lamp installs and fixes bolt, 110-L shape connecting plate, 111-radiator hold-down screw, 112-wire support; 116-lamp stand retainer ring, 301-bulb mounting flange fixing hole, 302-support lining riveted holes, the riveted joint of 501-support lining projection, 502-power supply or control end welding hole.
are further described the present invention below in conjunction with the accompanying drawing and the specific embodiment, but not as the foundation to the present invention's restriction.
The specific embodiment
embodiment 1.Adopt the LED street lamp of two-sided heat spreader structures, like Fig. 1, Fig. 2 and shown in Figure 3, comprise the two-sided radiator 103 by the metal extrusion modling, two-sided radiator 103 is provided with installation interface, and installation interface is provided with LED bulb 102; Two-sided radiator 103 is installed on the lamp stand 108; The two-sided radiator 103 outer lamp housings 101 that are provided with metal extrusion modling or plastics die cast adopt the LED street lamp of two-sided heat spreader structures also to comprise Wiring harness connector 106, and Wiring harness connector 106 is used for a plurality of LED bulbs 102 are distributed access power supply and control circuit.Two-sided radiator 103 comprises substrate, and the substrate both sides are equipped with fin, and are as shown in Figure 4, and substrate is provided with cable aperture; Substrate one side is provided with the installation interface that is used to install LED bulb 102, and the fin around the substrate installation interface goes out irradiation angle according to bulb and cuts circle or oval cone space, exceeds to guarantee not block the light that LED bulb 102 sends; The substrate opposite side is provided with wire support 112, and wire support 112 is used for that LED bulb 102 is drawn lead and inserts Wiring harness connector 106; Described installation interface comprises the face and the hole that is connected that contacts with LED bulb 102 on the two-sided radiator 103 that be positioned at.The substrate of two-sided radiator 103 connects L shaped connecting plate 110 on one side, and L shaped connecting plate 110 connects lamp stand 108; Said Wiring harness connector 106 is arranged on the two-sided radiator 103.Installation interface is provided with 6 flange fixing holes and is distributed on the diameter D1, and diameter D1 is that LED bulb 102 D outer diameter subtract the boundary values of staying that hold-down screw nut diameter deducts 0.8 ~ 4mm again.LED bulb 102 is installed on the two-sided radiator 103 through bulb hold-down screw 105, and lampshade 101 is through on 104 groups of two-sided radiators 103 of lamp housing hold-down screw, and Wiring harness connector 106 is through on Wiring harness connector support and the screw 107 two-sided radiators 103.Two-sided radiator 103 is installed on the L shaped connecting plate 110 through radiator hold-down screw 111, and L shaped connecting plate 110 installs and fixes bolt 109 through street lamp and is installed on the lamp stand.
bulb 102 is LED bulbs of tool waterproof and dustproof function.
The constructive method of the LED bulb of tool waterproof and dustproof function: through bonding ray machine module on flanged (FLGD) heat conduction support of a metal; Be centered around the edge of ray machine module with annular nonmetallic support lining; And support lining is fixed on the heat conduction support; With heat conduction support and support lining is the installation of carrying out the bulb parts of bulb structure center constituting the LED bulb, thereby makes simple in structure smooth between ray machine module and heat conduction support, is beneficial to the heat radiation of LED; Described ray machine module is formed by ray machine template, led chip group and relevant circuit and through solid crystalline substance and encapsulation, or wherein also is integrated with the powered chip, and the LED bulb is installed on the installation interface through flange.Said flanged (FLGD) heat conduction stent diameter is the bulb D outer diameter, and the bulb D outer diameter becomes W=1.1812e with the LED bulb power upper limit W of formation 0.0361D Relation, at W=1.1812e 0.0361D Relation curve on D get the LED bulb that discrete numerical value makes up a plurality of fixedly bulb D outer diameter sizes, to improve the interchangeability and the versatility of LED bulb; In said bulb D outer diameter, at W=1.1812e 0.0361D Relation curve on, D is a lower limit with 20mm, is the upper limit with 130mm, per 10 millimeters is 1 section, is divided into 12 sections and constitutes limited amount bulb external diameter specifications, comes the further interchangeability and the versatility of raising LED bulb with a spot of bulb external diameter specification; The installation interface of corresponding two-sided radiator is provided with the flange fixing hole on said flanged (FLGD) heat conduction support.Said support lining carries out hot pressing through projection on the support lining and the riveted holes on the heat conduction support and is riveted on the heat conduction support; Described ray machine template is the metal material heat-conducting substrate, obtains circuit through the PCB printed-board technology; Or be the nonmetallic materials heat-conducting substrate, adopt the chimeric circuit of silver slurry printed circuit technique on it; Ray machine module outer ring is surrounded by the nonmetallic support lining of annular; Sprayed with fluorescent powder covers transparent silica gel again on the led chip on the said ray machine module; The blue ruddiness proportional arrangement that perhaps the led chip quantity on the ray machine module is needed by plant, the led chip that welding is good only covers the transparent silica gel encapsulation; Perhaps, the led chip on the said ray machine module is only by transparent silica gel encapsulation, the outer convex inner cover that inboard coating fluorescent material is set then on the ray machine module after encapsulation; Not sealing of led chip on the perhaps said ray machine module, the outer spill inner cover that the transparent insulation conductive fluid is housed that is provided with is provided with fluorescent material in the transparent insulation conductive fluid, the elasticity inner cover that said spill inner cover is slim concave inward structure on the ray machine module; Described luminous intensity distribution optical lens directly is bonded on the support lining; Also be provided with the lens snap ring outside the support lining and block the luminous intensity distribution optical lens; Or directly be bonded with outer bulb envelope, thereby the ray machine module is enclosed in the waterproof closed area of support lining, heat conduction support and outer bulb envelope or luminous intensity distribution optical lens; For preventing the lens accidental, be provided with lens snap ring hold-down screw the lens snap ring is fixed on the support lining.Offer perforation on said heat conduction support and the support lining; To insert perforation with the public head of the electric connector of contact pin; And be that stiff end is fixed to insert the inner part of bulb; Ray machine module welding in the tail end of contact pin and the LED bulb makes to form a simple electric interfaces on the LED bulb outer surface; Through to the eccentric position in the public head of said electric connector hole on the heat conduction support and the qualification of the public stiff end size of electric connector, make the ray machine template in the LED bulb can satisfy needs and the contraposition needs of arranging led chip and driving power chip; The electric connector of described band contact pin is four needle constructions, and wherein, two pins are that power supply inserts; Two pins insert for control; Said stiff end is nut fixed form or welded ring fixed form; When stiff end is the nut fixed form, between public head of electric connector and heat conduction support, increases waterproof apron and carry out waterproof; For preventing rotation, on the public head of electric connector anti-slip tank is set, perforation place of described heat conduction support is provided with respective bump.
The LED bulb of said method is realized in , comprises flanged (FLGD) heat conduction support 3, and heat conduction support 3 is provided with support lining 5, is provided with ray machine module 4 between heat conduction support 3 and the support lining 5, and support lining 5 is centered around around the ray machine module 4; Heat conduction support 3 is provided with support lining riveted holes 302, and support lining riveted holes 302 matches fixing with support lining projection 501 on the support lining 5, also is provided with solder joint 21, an interface public affairs fixing hole 22 and the bulb mounting flange fixing hole 301 of ray machine module on the heat conduction support 3.Also be provided with power supply or control end solder joint hole 502 on the support lining 5, hot support 3, support lining 5 and ray machine module 4 are formed the LED ray machine module of LED band heat conduction supports, like Fig. 5, Fig. 6 and shown in Figure 7.The ray machine module is formed by ray machine template, led chip group and relevant circuit and through solid crystalline substance and encapsulation, or wherein also is integrated with the powered chip.Described ray machine template is the metal material heat-conducting substrate, obtains circuit through the PCB printed-board technology; Or be the nonmetallic materials heat-conducting substrate, adopt the chimeric circuit of silver slurry printed circuit technique on it.Led chip is provided with the transparent silica gel of encapsulation usefulness outward on the said ray machine module 4, and the ray machine module 4 peripheral hardware convex inner covers 6 of said band transparent silica gel, and convex inner cover 6 internal layers are provided with fluorescent coating, and are as shown in Figure 8; Perhaps said ray machine module 4 does not encapsulate silica gel; The said ray machine module 4 outer spill inner covers 61 that the transparent insulation conductive fluid is housed that are provided with; Led chip is immersed in the transparent insulation conductive fluid; Be provided with fluorescent material in the transparent insulation conductive fluid, said spill inner cover 61 is the elasticity inner cover of cross section slim concave inward structure shown in figure 10, and is as shown in Figure 9.Said on heat conduction support 3, on the zone outside the support lining 5, be provided with lens snap ring 8 and block luminous intensity distribution optical lens 7, or directly be bonded with outer bulb envelope 9, shown in figure 23.
said heat conduction support 3 is provided with electric connector; Shown in figure 11; Comprise public 11 of electric connector, public 11 of said electric connector is provided with contact pin 17, the contact pin solder joint 19 of contact pin 17 rears and 4 welding of ray machine module; Wherein: 2 pins are welded on power end, and 2 pins are welded on control end; Public 11 of said electric connector passes and is provided with stiff end 15 behind the public fixing hole 22 of connector on the LED bulb and fixes; Public 11 female 10 of electric connector with the band jack of electric connector is connected, and female 10 of electric connector links to each other with cable.Said stiff end 15 is that welded ring is shown in figure 12; Perhaps said stiff end 15 is a hold-down nut, on public 11 of the electric connector waterproof apron caulking groove 18 is set also, waterproof apron 16 is set, like Figure 13 and shown in Figure 14 in the waterproof apron caulking groove 18; For preventing rotation, on public 11 of the electric connector anti-slip tank 26 is set, described heat conduction support 3 perforation place are provided with respective bump, like Figure 12, Figure 13, Figure 14 and shown in Figure 15.
electric connector female 10 (female head of bending electric connector shown in figure 17 and the female head of straight shape electric connector shown in Figure 180) is provided with three hole flanges; And fix with the substrate of two-sided radiator 103 through the female hold-down screw 25 of three hole flanges and connector; And also be provided with secured adjusted rubber cushion 24 between flange and the substrate; Guarantee that the anti-water surface is tight, shown in figure 11.Public 11 of said electric connector is provided with external screw thread; Screw-internal thread fit through hold-down nut 28 on female 10 of external screw thread and the electric connector is fixed on public 11 of the electric connector; Contact pin solder joint 19 ends are provided with ring cover 62 outward and hide as decorating on public 11 of the bulb internal electric connector, and are shown in figure 16.Female 10 of said electric connector is provided with caulking groove, is provided with waterproof apron 16 in the caulking groove.Female 10 of said electric connector also can be the female head of the straight shape electric connector of free-standing shown in figure 19, can become on-fixed to be connected with electric connector public affairs capitiform, only needs butt joint to insert and gets final product, and is applicable to the indoor environment use that does not need waterproof.
In present embodiment; The substrate of two-sided radiator 103 perhaps is provided with the support installing hole in central authorities; Two-sided radiator 103 is installed on the lamp stand 108 through support installing hole and lamp stand retainer ring 116, and two-sided radiator 103 installs and fixes bolt 109 through street lamp and is fixed on the lamp stand 108.Wiring harness connector 106 is arranged in the lamp stand 108, need not to use Wiring harness connector support and screw 107 this moment.
Lamp housing 101 only need be pulled down when the present invention keeps in repair in , like Fig. 1 and shown in Figure 24, just can dismantle and install bulb easily, and it is very convenient to overhaul, more change the bulb.
In present embodiment; LED bulb D outer diameter becomes the relation of W=1.1812e0.0361D with the LED bulb power W upper limit of formation; D gets the LED bulb that discrete numerical value makes up a plurality of fixedly bulb D outer diameter sizes on the relation curve of W=1.1812e0.0361D, to improve the interchangeability and the versatility of LED bulb.On the relation curve of W=1.1812e0.0361D; D is a lower limit with 20mm, is the upper limit with 130mm, and per 10 millimeters is 1 section; Be divided into 12 sections and constitute limited amount bulb external diameter specification, ensure interchangeability and the versatility of implementing the LED bulb with a spot of bulb external diameter specification.Flange fixing hole distribution circle D1 receive the influence of the screw that uses size, diameter D1 subtracts the boundary values of staying that hold-down screw nut diameter deducts 0.8 ~ 4mm again for the bulb D outer diameter; Bulb wire hole distance L (being the eccentric position of the public head of electric connector on the heat conduction support) according to the form below value.Bulb D outer diameter among Figure 21 and Figure 22, flange screw pore size distribution circular diameter D1, radiator D outer diameter 3 is by the manufacturing of regulation, and relative dimensions is by providing like Figure 20 and Figure 27 and following table.

Claims (10)

1. adopt the LED street lamp of two-sided heat spreader structures, it is characterized in that: comprise that two-sided radiator (103) is provided with installation interface by the two-sided radiator (103) of metal extrusion modling, installation interface is provided with LED bulb (102); Two-sided radiator (103) is installed on the lamp stand (108); The outer lamp housing (101) that is provided with metal extrusion modling or plastics die cast of two-sided radiator (103); Adopt the LED street lamp of two-sided heat spreader structures also to comprise Wiring harness connector (106), Wiring harness connector (106) is used for a plurality of LED bulbs (102) are inserted power supply and control circuit.
2. the LED street lamp of the two-sided heat spreader structures of employing according to claim 1 is characterized in that: described two-sided radiator (103) comprises substrate, and the substrate both sides are equipped with fin, and substrate is provided with cable aperture; Substrate one side is provided with the installation interface that is used to install LED bulb (102), and the fin around the substrate installation interface goes out irradiation angle according to bulb and cuts circle or oval cone space, exceeds to guarantee not block the light that LED bulb (102) sends; The substrate opposite side is provided with wire support (112), and wire support (112) is used for that LED bulb (102) is drawn lead and inserts Wiring harness connector (106); Described installation interface comprises that being positioned at two-sided radiator (103) goes up the face and the hole that is connected that contacts with LED bulb (102).
3. the LED street lamp of the two-sided heat spreader structures of employing according to claim 2 is characterized in that: described two-sided radiator (103) on one side substrate connect L shaped connecting plate (110), L shaped connecting plate (110) connects lamp stand (108); Said Wiring harness connector (106) is arranged on the two-sided radiator (103).
4. the LED street lamp of the two-sided heat spreader structures of employing according to claim 2; It is characterized in that: the substrate or the central authorities of described two-sided radiator (103) are provided with the support installing hole, and two-sided radiator (103) installs and fixes bolt (109) through support installing hole and lamp stand retainer ring (116) with street lamp and is fixed on the lamp stand (108); Described Wiring harness connector (106) is arranged in the lamp stand (108) of two-sided radiator (103) connection.
5. the LED street lamp of the two-sided heat spreader structures of employing according to claim 1; It is characterized in that: described installation interface is provided with 6 flange fixing holes and is distributed on the diameter D1, and diameter D1 is that LED bulb (102) D outer diameter subtracts the boundary values of staying that hold-down screw nut diameter deducts 0.8 ~ 4mm again.
6. according to the LED street lamp of the two-sided heat spreader structures of the described employing of the arbitrary claim of claim 1 to 5; It is characterized in that; Described LED bulb (102) is the LED bulb of tool waterproof and dustproof function, constitutes: through bonding ray machine module on flanged (FLGD) heat conduction support of a metal, be centered around the edge of ray machine module with annular nonmetallic support lining; And support lining is fixed on the heat conduction support; With heat conduction support and support lining is the installation of carrying out the bulb parts of bulb structure center constituting the LED bulb, thereby makes simple in structure smooth between ray machine module and heat conduction support, is beneficial to the heat radiation of LED; Described ray machine module is formed by ray machine template, led chip group and relevant circuit and through solid crystalline substance and encapsulation, or wherein also is integrated with the powered chip, and the LED bulb is installed on the installation interface through flange.
7. the LED street lamp of the two-sided heat spreader structures of employing according to claim 6 is characterized in that: said flanged (FLGD) heat conduction stent diameter is the bulb D outer diameter, and the bulb D outer diameter becomes W=1.1812e with the LED bulb power upper limit W of formation 0.0361DRelation, at W=1.1812e 0.0361DRelation curve on D get the LED bulb that discrete numerical value makes up a plurality of fixedly bulb D outer diameter sizes, to improve the interchangeability and the versatility of LED bulb; In said bulb D outer diameter, at W=1.1812e 0.0361DRelation curve on, D is a lower limit with 20mm, is the upper limit with 130mm, per 10 millimeters is 1 section, is divided into 12 sections and constitutes limited amount bulb external diameter specifications, comes the further interchangeability and the versatility of raising LED bulb with a spot of bulb external diameter specification; The installation interface of corresponding two-sided radiator (103) is provided with the flange fixing hole on said flanged (FLGD) heat conduction support.
8. the LED street lamp of the two-sided heat spreader structures of employing according to claim 6 is characterized in that: said support lining carries out hot pressing through projection on the support lining and the riveted holes on the heat conduction support and is riveted on the heat conduction support; Described ray machine template is the metal material heat-conducting substrate, obtains circuit through the PCB printed-board technology; Or be the nonmetallic materials heat-conducting substrate, adopt the chimeric circuit of silver slurry printed circuit technique on it; Ray machine module outer ring is surrounded by the nonmetallic support lining of annular; Sprayed with fluorescent powder covers transparent silica gel again on the led chip on the said ray machine module; The blue ruddiness proportional arrangement that perhaps the led chip quantity on the ray machine module is needed by plant, the led chip that welding is good only covers the transparent silica gel encapsulation; Perhaps, the led chip on the said ray machine module is only by transparent silica gel encapsulation, the outer convex inner cover that inboard coating fluorescent material is set then on the ray machine module after encapsulation; Not sealing of led chip on the perhaps said ray machine module, the outer spill inner cover that the transparent insulation conductive fluid is housed that is provided with is provided with fluorescent material in the transparent insulation conductive fluid, the elasticity inner cover that said spill inner cover is slim concave inward structure on the ray machine module; Described luminous intensity distribution optical lens directly is bonded on the support lining; Also be provided with the lens snap ring outside the support lining and block the luminous intensity distribution optical lens; Or directly be bonded with outer bulb envelope, thereby the ray machine module is enclosed in the waterproof closed area of support lining, heat conduction support and outer bulb envelope or luminous intensity distribution optical lens; For preventing the lens accidental, be provided with lens snap ring hold-down screw the lens snap ring is fixed on the support lining.
9. the LED street lamp of the two-sided heat spreader structures of employing according to claim 6; It is characterized in that: offer perforation on said heat conduction support and the support lining; To insert perforation with the public head of the electric connector of contact pin; And be that stiff end is fixed to insert the inner part of bulb, the ray machine module welding in the tail end of contact pin and the LED bulb makes simple electric interfaces of formation on the LED bulb outer surface; Through to the eccentric position in the public head of said electric connector hole on the heat conduction support and the qualification of the public stiff end size of electric connector, make the ray machine template in the LED bulb can satisfy needs and the contraposition needs of arranging led chip and driving power chip; The electric connector of described band contact pin is four needle constructions, and wherein, two pins are that power supply inserts; Two pins insert for control; Said stiff end is nut fixed form or welded ring fixed form; When stiff end is the nut fixed form, between public head of electric connector and heat conduction support, increases waterproof apron and carry out waterproof; For preventing rotation, on the public head of electric connector anti-slip tank is set, perforation place of described heat conduction support is provided with respective bump.
10. the LED street lamp of the two-sided heat spreader structures of employing according to claim 9; It is characterized in that: on the installation interface of said two-sided radiator (103) substrate with the heat conduction support (3) of LED bulb (102) on the public head of electric connector (a 11) correspondence position be provided with the female head of electric connector (10), on the female head of electric connector (10) 3 hole flanges are set; After only needing when LED bulb (102) is installed public head of electric connector (11) and electric connector female (10) docked, fixed L ED bulb (102) is promptly realized being electrically connected of LED bulb again; On the female head of electric connector (10) caulking groove is set, waterproof apron (16) is set in the caulking groove carries out waterproof; Between female head of electric connector (10) and two-sided radiator (103) substrate, be provided with secured adjusted rubber cushion (24) and regulate thickness, guarantee that the anti-water surface is tight; Or external screw thread is set on the public head of electric connector (11) fixedly carries out waterproof with the screw-internal thread fit that the female head of the electric connector that is provided with waterproof apron (16) (10) is gone up hold-down nut; Or LED bulb (102) is electrically connected employing cable fixing head lead-in wire.
CN201210253683.2A 2012-07-23 2012-07-23 LED (light-emitting diode) street lamp using double-sided radiator structure Active CN102818176B (en)

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CN201210253683.2A CN102818176B (en) 2012-07-23 2012-07-23 LED (light-emitting diode) street lamp using double-sided radiator structure
EP13822156.9A EP2876356B1 (en) 2012-07-23 2013-07-23 Method for constructing universal led bulb and flange snap ring type led bulb and led lamp
KR1020157004354A KR101829354B1 (en) 2012-07-23 2013-07-23 Method for constructing universal led bulb and flange snap ring type led bulb and led lamp
US14/416,768 US9797590B2 (en) 2012-07-23 2013-07-23 Method for constructing universal LED bulb and flange snap ring type LED bulb and LED lamp
PCT/CN2013/000879 WO2014015655A1 (en) 2012-07-23 2013-07-23 Method for constructing universal led bulb and flange snap ring type led bulb and led lamp
JP2015523371A JP6007325B2 (en) 2012-07-23 2013-07-23 General-purpose LED bulb construction method, flange snap ring type LED bulb and LED lamp

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