CN209013046U

CN209013046U - An efficient heat dissipation LED street light

Info

Publication number: CN209013046U
Application number: CN201821622014.7U
Authority: CN
Inventors: 张万如; 岑朝军; 殷大伟
Original assignee: Xinke Technology Co Ltd
Current assignee: Xinke Technology Co Ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2019-06-21
Anticipated expiration: 2028-09-30

Abstract

The utility model discloses a kind of efficient heat radiating LED street lamps, including lamppost, strut, light fixture and battery group；Lamppost is arranged on the ground；Strut is arranged on lamppost top；The bottom of strut is arranged in light fixture；Storage battery is set inside lamppost, and is electrically connected with light fixture；Light fixture includes shell, lampshade and radiating fin, and the circuit board positioned at enclosure interior, LED light group and radiating piece；Lampshade is arranged in housing bottom；Circuit board setting is in radiating piece bottom, and circuit board is arranged side by side two, insulate between two circuit boards；A row is arranged on two circuit boards respectively in multiple LED light groups；Radiating fin is arranged side by side multiple from top to bottom, is located inside radiating piece in the middle part of radiating fin；Radiating fin both ends pass through radiating piece and shell and are located at hull outside；Thermal grease is filled inside radiating piece.It in the utility model, avoids equipment that superheating phenomenon occurs, improves the service life of equipment entirety；Equipment cooling effect is good, and radiating efficiency is high.

Description

A kind of efficient heat radiating LED street lamp

Technical field

The utility model relates to street lighting apparatus field more particularly to a kind of efficient heat radiating LED street lamps.

Background technique

With market development, LED light is widely used in every field, especially street lamp.But the bigger generation of LED light power Heat it is bigger, and temperature has important influence to the service life of LED light, therefore the heat dissipation problem of LED lamp is to need to solve A major issue.

LED lamp in use, on the lesser chip set of area, gather large number of chip package by moment Heat can not export in time, working long hours causes the fluorescent powder of light source, elargol aging occur, to influence illumination quality； Meanwhile considering from the stability of the heat dissipation effect of LED lamp, existing high-power integrated optical source LED light heat dissipation effect is general.

Therefore, how LED light to be avoided to overheat, and how improves the heat dissipation of LED light, be problem to be solved.

Utility model content

To solve technical problem present in background technique, the utility model proposes a kind of efficient heat radiating LED street lamps, avoid Superheating phenomenon occurs for equipment, improves the service life of equipment entirety；Equipment cooling effect is good, and radiating efficiency is high.

The utility model proposes a kind of efficient heat radiating LED street lamp, including lamppost, strut, light fixture and battery group；

Lamppost is arranged on the ground；Strut is arranged on lamppost top；The bottom of strut is arranged in light fixture, and is located at branch The one end of bar far from lamppost；Storage battery is set inside lamppost, and is electrically connected with light fixture；

Light fixture includes shell, lampshade and radiating fin, and the circuit board positioned at enclosure interior, LED light group and is dissipated Warmware；Lampshade is arranged in housing bottom；

Circuit board setting is in radiating piece bottom, and circuit board is arranged side by side two, insulate between two circuit boards；It is multiple A row is arranged on two circuit boards respectively in LED light group；

Radiating fin is arranged side by side multiple from top to bottom, is located inside radiating piece in the middle part of radiating fin；Radiating fin both ends Across radiating piece and shell and it is located at hull outside；The heat-dissipating space for air circulation is equipped between adjacent radiating fin；It dissipates Thermal grease is filled inside warmware.

Preferably, solar panels are set at the top of lamppost；Solar panels and battery group are electrically connected

Preferably, light fixture is located at below solar panels.

Preferably, multiple thermal columns are set at the top of radiating piece；Thermal column is located at enclosure interior.

Preferably, air inlet is arranged in lower part of the housing；Air outlet is arranged in upper part of the housing；It is arranged inside air inlet and air outlet Air Filter Filter Core.

Preferably, radiating fin is located at the part of hull outside along gradually thinning far from its thickness of the direction of shell.

Preferably, radiating fin is in polyline shaped.

Preferably, multiple radiating grooves or heat bulge is arranged in cooling fin surfaces.

Preferably, radiating fin is located at the part of hull outside in the arc-shaped curved surface that Open Side Down.

In the utility model, battery group is powered to circuit board, to guarantee the normal illumination of LED light group.Circuit board is simultaneously Two groups of row's setting switches two groups of circuit boards and works alternatively, in the given time so that light fixture in normal work, is deposited forever It is in the radiating state to stop working in a circuit board, to guarantee that single circuit board will not overheat, improves equipment entirety Service life guarantees illumination quality.

In the utility model, LED light group passes to radiating piece with the heat that circuit board generates at work in time；Heat by Radiating piece is directly passed to radiating fin, and hull outside is stretched out in radiating fin end, and heat exchange, cooling speed directly occurs with air Degree is fast, and the heat for being conducive to radiating piece is transmitted to outside shell, is conducive to the radiating efficiency for improving radiating piece, to guarantee to circuit The timely heat dissipation of plate and LED light group.Meanwhile thermal grease is filled inside radiating piece, thermal grease can rapidly absorb raising The heat that circuit board and LED light group generate, quickly reduces the temperature of circuit board and LED light group.

Detailed description of the invention

Fig. 1 be the utility model proposes efficient heat radiating LED street lamp structural schematic diagram.

Fig. 2 be the utility model proposes efficient heat radiating LED street lamp in LED light group structural schematic diagram.

Fig. 3 be the utility model proposes efficient heat radiating LED street lamp in partial structure diagram.

Fig. 4 be the utility model proposes efficient heat radiating LED street lamp in radiating fin structural schematic diagram.

Specific embodiment

As shown in Figs 1-4, Fig. 1 be the utility model proposes a kind of efficient heat radiating LED street lamp structural schematic diagram.

Referring to Fig.1-4, the utility model proposes a kind of efficient heat radiating LED street lamp, including lamppost 1, strut 2, illumination group Part 3 and battery group 6；

Lamppost 1 is arranged on the ground；Strut 2 is arranged on 1 top of lamppost；The bottom of strut 2 is arranged in light fixture 3, and One end positioned at strut 2 far from lamppost 1；Battery group 6 is arranged inside lamppost 1, and is electrically connected with light fixture 3；

Light fixture 3 includes shell 31, lampshade 32 and radiating fin 11, and circuit board 7 inside shell 31, LED light group 8 and radiating piece 9；The setting of lampshade 32 forms confined space inside 31 bottom of shell, shell 31；

The setting of circuit board 7 is in 9 bottom of radiating piece, and circuit board 7 is arranged side by side two, insulate between two circuit boards 7； A row is arranged on two circuit boards 7 respectively in multiple LED light groups 8；

Radiating fin 11 be arranged side by side from top to bottom it is multiple, in the middle part of radiating fin 11 be located at radiating piece 9 inside；Radiating fin 11 both ends pass through radiating piece 9 and shell 31 and are located at 31 outside of shell；It is equipped between adjacent radiating fin 11 for air circulation Heat-dissipating space；Thermal grease is filled inside radiating piece 9.

In the present embodiment, battery group 6 is powered to circuit board 7, to guarantee the normal illumination of LED light group 8.Circuit board 7 Two groups are arranged side by side, switches two groups of circuit boards 7 in the given time and works alternatively, so that light fixture 3 is in normal work, forever Remote there are a circuit boards 7 to be in the radiating state to stop working, to guarantee that single circuit board 7 will not overheat, improves equipment Whole service life guarantees illumination quality.

In the present embodiment, LED light group 8 passes to radiating piece 9 with the heat that circuit board 7 generates at work in time；Heat Radiating fin 11 is directly passed to by radiating piece 9,11 end of radiating fin is stretched out outside shell 31, and heat friendship directly occurs with air It changes, cooling velocity is fast, and the heat for being conducive to radiating piece 9 is transmitted to outside shell 31, be conducive to the radiating efficiency for improving radiating piece 9, To guarantee the timely heat dissipation to circuit board 7 and LED light group 8.Meanwhile thermal grease is filled inside radiating piece 9, thermal grease energy It is enough rapidly to absorb the heat for improving circuit board 7 and the generation of LED light group 8, quickly reduce the temperature of circuit board 7 and LED light group 8.

In a specific embodiment, solar panels 5 are set at the top of lamppost 1；Solar panels 5 and battery group 6 are electrically connected； Solar panels 5 are generated electricity by sunshine, and power storage is used to illuminate inside battery group 6, largely save electric energy Consumption, energy conservation and environmental protection.

Further, light fixture 3 is located at 5 lower section of solar panels, and solar panels 5 have sunshade effect to light fixture 3, Temperature increases caused by avoiding light fixture 3 from being exposed to the sun because of the sun, has good preventing coating protection effect to light fixture 3.

Further, multiple thermal columns 10 are set at the top of radiating piece 9；Thermal column 10 is located inside shell 31, thermal column 10 It can absorb to the 9 a large amount of heat in inside of radiating piece, radiate to radiating piece 9, avoid 9 internal heat rapid accumulation of radiating piece The problem of circuit board 7 overheats caused by can not radiating.Meanwhile thermal column 10 increases heat dissipation area, improves radiating efficiency, tool There is good heat spreading function.

Further, air inlet 12 is arranged in 31 lower part of shell；Air outlet 13 is arranged in 31 top of shell.Air passes through air inlet 12 enter inside shell 31, heat exchange are carried out inside shell 31, shell 31 is discharged by air outlet 13 in hot wind, to realize shell Air circulation inside 31 improves the heat dissipation effect inside shell 31.Wherein, air is set inside air inlet 12 and air outlet 13 Filter core avoids the steam in air, dust and little particle sundries from entering inside shell 31, guarantees clean inside shell 31 Only, damage equipment is avoided.

Further, the part that radiating fin 11 is located at 31 outside of shell gradually becomes along far from its thickness of the direction of shell It is thin；The thicker part of radiating fin 11 is more easier to absorb the heat of radiating piece 9, and the relatively thin position of radiating fin 11 more holds Heat exchange easily occurs with air, improves radiating efficiency.

Further, radiating fin 11 is in polyline shaped, increases connecing for radiating fin 11 and 9 internal heat dissipating silica gel of radiating piece Contacting surface product, improves heat transference efficiency, also improves the contact area of radiating fin 11 Yu air, improve 11 ontology of radiating fin Radiating rate guarantee heat dissipation effect to improve the radiating efficiency of whole equipment.

Further, multiple radiating grooves or heat bulge is arranged in 11 surface of radiating fin, increases radiating fin 11 and air Contact area, improve the radiating rate of 11 ontology of radiating fin, to improve the radiating efficiency of whole equipment, guarantee heat dissipation Effect.

Further, the part that radiating fin 11 is located at 31 outside of shell avoids rainwater in the arc-shaped curved surface that Open Side Down Equal substances enter inside light fixture 3, guarantee the safe handling of equipment.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. A high-efficiency heat dissipation LED street lamp, characterized in that it comprises a lamp post (1), a support rod (2), a lighting assembly (3) and a battery pack (6);

The lamp post (1) is arranged on the ground; the pole (2) is arranged on the upper part of the lamp pole (1); the lighting assembly (3) is arranged at the bottom of the pole (2), and is located at the pole (2) away from the lamp pole ( 1); the battery pack (6) is arranged inside the lamp post (1) and is electrically connected with the lighting assembly (3);

The lighting assembly (3) comprises a housing (31), a lampshade (32), a heat dissipation fin (11), and a circuit board (7), an LED light group (8) and a heat sink (9) located inside the housing (31) ); the lampshade (32) is arranged at the bottom of the casing (31);

The circuit boards (7) are arranged at the bottom of the heat sink (9), and two circuit boards (7) are arranged side by side, and the two circuit boards (7) are insulated; a plurality of LED lamp groups (8) are respectively mounted on the two circuit boards (7) Set a row on it;

A plurality of heat dissipation fins (11) are arranged side by side from top to bottom, the middle part of the heat dissipation fin (11) is located inside the heat dissipation member (9); both ends of the heat dissipation fin (11) pass through the heat dissipation member (9) and the casing (31) ) and is located outside the casing (31); a heat dissipation space for air circulation is provided between the adjacent heat dissipation fins (11); the heat dissipation member (9) is filled with heat dissipation silica gel.

2. The high-efficiency heat dissipation LED street lamp according to claim 1, wherein a solar panel (5) is arranged on the top of the lamp post (1); the solar panel (5) is electrically connected to the battery pack (6).

3. The high-efficiency heat dissipation LED street lamp according to claim 2, characterized in that the lighting assembly (3) is located below the solar panel (5).

4. The LED street lamp with high heat dissipation according to claim 1, characterized in that a plurality of heat dissipation columns (10) are arranged on the top of the heat dissipation member (9); and the heat dissipation columns (10) are located inside the casing (31).

5. The high-efficiency heat dissipation LED street lamp according to claim 1, characterized in that, an air inlet (12) is arranged at the lower part of the casing (31); an air outlet (13) is arranged at the upper part of the casing (31); An air filter element is arranged inside the air outlet (13).

6. The efficient heat dissipation LED street lamp according to claim 1, characterized in that the thickness of the part of the heat dissipation fin (11) located outside the casing (31) gradually becomes thinner along the direction away from the casing.

7. The high-efficiency heat-dissipating LED street lamp according to claim 1, wherein the heat-dissipating fins (11) are in the shape of a broken line.

8. The efficient heat dissipation LED street lamp according to claim 1, wherein a plurality of heat dissipation grooves or heat dissipation protrusions are arranged on the surface of the heat dissipation fins (11).

9 . The high-efficiency heat-dissipating LED street lamp according to claim 1 , wherein the part of the heat-dissipating fins ( 11 ) located outside the casing ( 31 ) is an arc-shaped curved surface with an opening downward. 10 .