CN102095130A

CN102095130A - LED street lamp with high heat radiation and brightness and easy replacement

Info

Publication number: CN102095130A
Application number: CN201010554423XA
Authority: CN
Inventors: 金光翰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-11
Filing date: 2010-11-11
Publication date: 2011-06-15

Abstract

The invention relates to an LED street lamp with high heat radiation and brightness and easy replacement. The traditional LED street lamp has poor heat radiation and low brightness and causes waste because a lamp and a lamp pole need to be simultaneously replaced and installed when broken down. The LED street lamp comprises an upper cover, a socket cover, a socket, fixed support columns, heat-radiating fins, heat-radiating copper pipes, a heat-radiating plate, an aluminum alloy PCB (Printed Circuit Board), reflecting plates and an LED lamp bead, wherein the socket is positioned on the surface of the socket cover; a plurality of the fixed support columns are arranged between the upper cover and the socket cover; a plurality of the heat-radiating fins are inserted into the fixed support columns; a plurality of the curved heat-radiating copper pipes are regularly inserted among the heat-radiating fins in a penetrating way; the same sides of the plurality of curved heat-radiating copper pipes are connected with the heat-radiating plate; the outer side of the heat-radiating plate is provided with the aluminum alloy PCB; the aluminum alloy PCB is provided with the LED lamp bead; the surface of the LED lamp bead is provided with a transparent lamp shade; both sides of the heat-radiating plate are configured with the reflecting plates; and the surfaces of the heat-radiating fins are of concavo-convex shapes. The invention has the advantages of quick heat radiation, good effect, high brightness, controllable projection range, convenience for maintenance and replacement, small size, light weight and low cost.

Description

The easily changeable LED street lamp of a kind of high heat radiation high brightness

Technical field

The present invention relates to the electron-optical field, be specifically related to the easily changeable LED street lamp of a kind of high heat radiation high brightness.

Background technology

Generally speaking; LED light lamp is to be the lamp of light source with LED, and LED light lamp (below be referred to as the LED lamp) is compared effects such as having power consumption is low, the life-span long, protection environment comparatively speaking with the lamp of kinds such as incandescent lamp, mercury vapor lamp, no halogen lamp, sodium vapor lamp.

But the high temperature heat radiation takes place during from lumination of light emitting diode in the LED lamp, and such heat radiation heat energy seriously influences having very on the LED semiconductor product, in addition shorten the LED life-span, brightness obviously descends.

In order to solve rapidly the problem of subduing of eliminating heat energy, promoting heat energy, the be everlasting one side of the circuit board that LED installs of people is installed cooling tube (cooling plate) heat radiation of flowing, or utilizes methods such as fan or enforceable air cooling.

In order to improve radiating effect, the surface of heat dissipation equipment can also be widened, become big, weight increase but do the volume that can make the LED lamp like this, this kind method should not be promoted.

It is big to be installed in the possibility that the LED lamp of high positions such as ceiling or road lamp frame falls, the possibility possibility big, that security incident takes place of falling under earthquake, high wind and unexpected situations such as impact is also very big, so the weight of LED street lamp and volume also are big factors that influences security performance.

Existing LED street lamp is as breaking down, and must change simultaneously light fixture and lamppost are installed, and wastes time and energy and easily causes the waste of resource, influenced the popularization and the utilization of LED lighting.

Summary of the invention

The objective of the invention is to overcome the deficiency of existing integral LED street lamp, provide a kind of high heat radiation high brightness easily changeable LED street lamp, the heat energy that allows LED produce dispels the heat rapidly, volume, in light weight, can be convenient for changing the LED street lamp at any time according to the brightness of illumination requirement, easy to operate simple, reduce cost, be beneficial to popularization.

The present invention is made of loam cake, socket cover, socket, anchor post, fin, heat radiation copper pipe, heat sink, aluminium alloy PCB, reflecting plate, LED lamp pearl.

Socket is positioned at the socket cover surface, is provided with several anchor posts between loam cake and the socket cover, is inserted with several fin on the anchor post, neatly runs through between the fin to be inserted with several curved heat radiation copper pipes, and the same side of several heat radiation copper pipes is connecting heat sink; The outside of heat sink is installed with aluminium alloy PCB, aluminium alloy PCB is provided with a plurality of installation circuits and the surface is provided with several LED lamp pearls, LED lamp bead surface is provided with the transparent lamp shade that needs to outer projections, and the both sides of heat sink dispose the reflecting plate that stops loss of light source.

The surface of fin is set to concaveconvex shape, can increase by 2 times to area, and ledge forms at interval and impels circulation of air can strengthen radiating effect.

Connect with nut between fin, aluminium alloy PCB and the transparent lamp shade.

The invention has the advantages that rapid heat dissipation is effective, brightness is high and each LED lamp bead surface is provided with the transparent lamp shade that needs to outer projections, the brightness of light and drop shadow spread can control, convenient for maintaining is changed the LED street lamp, volume, in light weight, easy to operate simple, reduce cost, use in extensive rangely, be beneficial to popularization.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present invention;

Fig. 2 is each parts decomposing state structural representation of the present invention;

Fig. 3 is a fin decomposing state structural representation of the present invention;

Fig. 4 is a fin operation principle schematic diagram of the present invention;

10 is LED street lamps among the figure, the 20th, and loam cake, 22 is first connecting holes, the 30th, anchor post, 32 is first connecting holes, 34 is second connecting holes, 36 is first nuts, and 38 is second nuts, the 40th, and socket cover, 42 is second holes, the 44th, socket, the 50th, heat radiation copper pipe, 50a are the first heat radiation copper pipes, 50b is the second heat radiation copper pipe, 50c is the 3rd heat radiation copper pipe, and 50d is the hot copper pipe that scatters, and 50e is the 5th heat radiation copper pipe, 52 is first linear portion, 56 is second linear portion, the 54th, and joggling part, the 60th, fin, the 64th, the gap of fin, the 66th, cover, the 68th, heat radiation pore, 68a are the first heat radiation copper pipe holes, 68b is the second heat radiation copper pipe hole, 68c is the 3rd heat radiation copper pipe hole, and 68d is the hot copper pipe hole that scatters, and 68e is the 5th heat radiation copper pipe hole, the 70th, protrusion, the 75th, reflecting plate, the 80th, heat sink, the 82nd, the combination of heat radiation copper pipe, 82a is the first heat radiation copper pipe, 82b is the second heat radiation copper pipe, and 82c is the 3rd heat radiation copper pipe, and 82d is the hot copper pipe that scatters, 82e is the 5th heat radiation copper pipe, the 84th, convex-concave surface is handled, and the 90th, aluminium alloy PCB, the 98th, LED lamp pearl, the 99th, aluminium alloy PCB hole, the 100th, transparent lamp shade.

The specific embodiment

The present invention is described in further details with embodiment below in conjunction with accompanying drawing:

The present invention is made of loam cake (20), socket cover (40), socket (44), anchor post (30), fin (60), heat radiation copper pipe (50), heat sink (80), aluminium alloy PCB (90), reflecting plate (75), LED lamp pearl (98).

Socket (44) is positioned at socket cover (40) surface, be provided with several anchor posts (30) between loam cake (20) and the socket cover (40), be inserted with several fin (60) on the anchor post (30), neatly run through being inserted with several curved heat radiation copper pipes (50) between the fin (60), the same side of several heat radiation copper pipes (50) is connecting heat sink (80); The outside of heat sink (80) is installed with aluminium alloy PCB (90), aluminium alloy PCB (90) is provided with a plurality of installation circuits and the surface is provided with several LED lamp pearls (98), LED lamp pearl (98) surface is provided with the transparent lamp shade (100) that needs to outer projections, and the both sides of heat sink (80) dispose the reflecting plate (75) that stops loss of light source.

The surface of fin (60) is set to concaveconvex shape, can increase by 2 times to area, and ledge forms at interval and impels circulation of air can strengthen radiating effect.

Connect with nut between fin (60), aluminium alloy PCB (90) and the transparent lamp shade (100).

Socket (44) is set to the screw thread bayonet socket.

The outside of fin (60) connects connection by first linear portion (52) of heat radiation copper pipe (50) with fin (50), and first linear portion (52), joggling part (54) and second linear portion (56) form curved radiating tube.

Illustrate that according to Fig. 1 and Fig. 2 LED street lamp (10) is arranged on aluminium alloy PCB (90) between shell (20) and the socket cover (40), LED lamp pearl (98) is arranged on aluminium alloy PCB (90) surface, heat radiation copper pipe (50) and fin (60) are set at aluminium alloy PCB (90) back side, be that LED lamp pearl (98) goes up the heat energy of heat radiation by heat radiation copper pipe (50) heat transfer, behind fin (60) cooling, go up the heat energy cooling back that takes place on LED lamp pearl (98) at last and eliminate.

Each forms the socket (44) that first hole (22) and second hole (42) socket cover (40) arranged outside are accepted power supply to find out shell (20) and socket cover (40) on Fig. 2.

Between shell (20) and the socket cover (40) anchor post (30) anchor post (30) can be set, two ends may form hole or nut, after the outside of shell (20) puts by first hole (22) first nuts (36), first nut (36) is connected and fixed one jiao first hole (32) of pillar (30), the outside of socket cover (40) is by second hole (42) cover top nut (38), and second nut (38) is connected second hole (34) at another angle of anchor post (30).

First, second hole (32) (34) may be simple hole or dark screw, and the screw combination under formation nut or the established situation of another side nut, also can be used when being connected in first, second nut (36) (38) and first, second hole (32) (34).

Fix with anchor post (30) between shell (20) and the socket cover (40).

Anchor post (30) may be more than 3 majority and be provided with, socket (44) is a standard component, the anchor post on Fig. 2 (30) is configured to 4.

The periphery of the represented fin of Fig. 3 (60) makes several anchor posts (30) by cover (66) assembling.

After the one side of several fin (60) has formed protrusion, formed spacing between each fin (60) and other the fin (60), after the circulation of air, can dispel the heat rapidly in the spacing.

One side of fin (60) is provided with gelled gap (64), and an other side has formed the hole of anchor post, and the gap of above-mentioned fin (64) part can dispose fin.

Heat sink (80) and fin (60) part can be inserted heat radiation copper pipe (50), and aluminium alloy PCB (90) is set in the heat sink (80), the outside configuration transparent lamp shade (100) of aluminium alloy PCB (90).

Heat sink (80) both sides have disposed the reflecting plate (75) that can stop light loss.

Heat radiation copper pipe (50) is that the crooked back of first linear portion (52) and trigram portion (56) joggling part (54) forms, first linear portion (52) is that fin (80) and aluminium alloy PCB (90) are inserted into inside, and second linear portion (56) is that heat release sheet (60) connects configuration.

Dispose LED lamp pearl (98) on aluminium alloy PCB (90) outer surface side by side, disposed the circuit of LED lamp pearl (98).

Therefore the in parallel and compound composition of circuit, when bad below 50% appears in LED lamp pearl (98), also can not have influence on the performance of whole light source.

Transparent lamp shade (100) is the outside configuration of aluminium alloy PCB (90), and after heat sink (80) connected, the light source of astigmatism was from outside printing opacity in the LED lamp pearl (90).

LED lamp pearl (98) constitutes side by side, as Fig. 1 or shown in Figure 4, and can be by 5 row configurations.

Fin (80) is to have formed combination (82) by the quantity of heat radiation copper pipe.

The fin of representing on Fig. 4 (60) is inserted in the combination (82) of heat radiation copper pipe with first linear portion (52) of heat radiation copper pipe (50), the combination (82) of the copper pipe that dispels the heat is close at the back side of the part of first linear portion (52) and LED lamp pearl (90), and the back side is attached to the gap (64) of fin.

Represent that as Fig. 2 and Fig. 4 contact area was widened after the Surface Machining of heat radiation copper pipe became the plane.

Each heat radiation copper pipe (50a-50e) that respectively is inserted into 1-the 5th could dispose afterwards in the heat radiation copper pipe group (82a-82e) of 1-the 5th.

The heat energy of heat radiation is could dispel the heat rapidly afterwards through aluminium alloy PCB (90) and most individual heat radiation copper pipe (50) and heat sink (80) in the LED lamp pearl (98).

The part of heat energy is the fin (60) by transferring heat to most behind most the heat radiation copper pipe (50) rapidly.

Fin (60) is to make second linear portion (56) of heat radiation copper pipe (50) connect form each first to the 5th heat pipe hole (68a-68e), first to the 5th particularly above-mentioned heat pipe hole (68a-68e) at above-mentioned heat release sheet (60) thus area on form heat release in the finely dispersed position effect can maximize.

Heat sink (80) and transparent lamp shade (100) are fixed by screw.

Heat can be set between aluminium alloy PCB (90) and the fin (80) pass on colloidal sol, strengthen radiating effect.

The formation of heat radiation copper pipe (50) is the fine slit that forms the capillary form in the internal diameter, and when heat was passed on the words heating of medium inherence, the medium gasification moved to its side rapidly and passes on heat, and the technology of such heat radiation copper pipe (50) is the bulletin technology.

The main material of shell (20) and socket cover (40) is a synthetic resin, and the main material of above-mentioned anchor post (30), fin (60), heat radiation copper pipe (80) and aluminium alloy PCB (90) is lightweight metal or aluminium, sodium material.

The cooling of hot rapidly reception and registration of heat radiation copper pipe (50) and fin (60) can dispel the heat rapidly, and the heat energy that LED lamp pearl (98) lining produces can cool off rapidly

Socket (44) is conventional specification lattice, and convenient the replacement installed.

The joggling part (54) of heat radiation copper pipe (50) is covered by shell (20), and each end of heat radiation copper pipe (50) is configured in the socket cover inboard, can cover from the outside, and outward appearance is more beautiful

LED lamp pearl (98) is to consume the low LED lamp pearl (1-4W) of electric power (6 row *, 10 rows) arranged side by side to dispose, the consumption electric power brightness branch loses heat equally and evenly of the luminous light of high LED lamp pearl (more than the 5W) configuration a small amount of (3 to 5 single-row) that compares like this, the heat energy of LED lamp pearl (98) lining generation cools off more rapidly like this.

Claims

1. one kind high easily changeable LED street lamp of heat radiation high brightness, it is characterized in that it is by loam cake (20), socket cover (40), socket (44), anchor post (30), fin (60), heat radiation copper pipe (50), heat sink (80), aluminium alloy PCB (90), reflecting plate (75), LED lamp pearl (98) constitutes, socket (44) is positioned at socket cover (40) surface, be provided with several anchor posts (30) between loam cake (20) and the socket cover (40), be inserted with several fin (60) on the anchor post (30), neatly run through being inserted with several curved heat radiation copper pipes (50) between the fin (60), the same side of several heat radiation copper pipes (50) is connecting heat sink (80); The outside of heat sink (80) is installed with aluminium alloy PCB (90), aluminium alloy PCB (90) is provided with a plurality of installation circuits and the surface is provided with several LED lamp pearls (98), LED lamp pearl (98) surface is provided with transparent lamp shade (100), and the both sides of heat sink (80) dispose reflecting plate (75).

2. the easily changeable LED street lamp of a kind of high heat radiation high brightness as claimed in claim 1, it is characterized in that described anchor post (30) can be arranged on more than 3, be arranged on the cover that the periphery forms (66) of fin (60), fin (60) is set on the anchor post (30).

3. as claim 1 or the easily changeable LED street lamp of described a kind of high heat radiation high brightness, the surface that it is characterized in that described fin (60) is set to concaveconvex shape, protrusion (70) part forms at interval, and several fin (60) form air communication channel at interval.

4. the easily changeable LED street lamp of a kind of high heat radiation high brightness as claimed in claim 1, it is characterized in that described heat radiation copper pipe (50) is inserted in heat sink (80) inside, the part that contacts with aluminium alloy PCB (90) is processed into the plane, fin (60) forms the gap (64) of fin on one side with the corresponding plane of heat radiation copper pipe combination (82), first linear portion (52) planar section of heat radiation copper pipe (50) is near arriving aluminium alloy PCB (90), the back side of fin (80) is near the gap (64) to fin, heat energy on the LED lamp pearl (98) is by aluminium alloy PCB (90), heat radiation copper pipe (50) and fin (80) are delivered on the fin (60), and a part is delivered on the heat radiation copper pipe (50).

5. the easily changeable LED street lamp of a kind of high heat radiation high brightness as claimed in claim 1 is characterized in that described heat radiation copper pipe (80), aluminium alloy PCB (90) and after printing opacity minute surface (100) is connected with nut, the diffusion angle that can regulate light.

6. the easily changeable LED street lamp of a kind of high heat radiation high brightness as claimed in claim 1, the outside that it is characterized in that described fin (60) is connected fin (50) by first linear portion (52) of heat radiation copper pipe (50) and connects, and first linear portion (52), joggling part (54) and second linear portion (56) form curved radiating tube.