CN219318383U

CN219318383U - LED street lamp heat radiation structure

Info

Publication number: CN219318383U
Application number: CN202320314271.9U
Authority: CN
Inventors: 李元刚
Original assignee: Chongqing Liujiang Cultural Creativity Co ltd
Current assignee: Chongqing Liujiang Cultural Creativity Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-07
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to the field of LED street lamps, in particular to a heat dissipation structure of an LED street lamp, which comprises a lamp post, a support box, a lamp body shell, a lamp body, heat dissipation fins, a fixed block, a heat pipe and a waterproof sealing plate; the bottom of the lamp post is provided with a base, and the top of the lamp post is provided with a sealing ball in a sealing way; two ends of the supporting box are respectively connected with the lamp post and the lamp body shell; the lamp body is arranged in the lamp body shell; the radiating fins are arranged on the back surface of the lamp source mounting plate of the lamp body, and a plurality of groups of radiating fins are arranged; the fixed block is arranged on the inner wall of the top of the lamp body shell, the heat pipe penetrates through the fixed block, the heat absorption end and the heat dissipation end are respectively arranged at the two ends of the heat pipe, the heat absorption end is positioned above the heat dissipation fin, the heat dissipation end penetrates through the supporting box to be inserted into the lamp post and vertically upwards penetrates through the waterproof sealing plate, the waterproof sealing plate is arranged on the inner wall of the lamp post, and a plurality of groups of opposite vent holes are formed in the lamp post. According to the utility model, the heat emitted by the lamp body during operation can be rapidly taken away through the double heat dissipation effects of the heat dissipation sheet and the heat pipe, so that the efficient heat dissipation is realized.

Description

LED street lamp heat radiation structure

Technical Field

The utility model relates to the field of LED street lamps, in particular to a heat dissipation structure of an LED street lamp.

Background

The LED street lamp is characterized in that a plurality of light emitting diodes are fixed on a lamp panel to serve as light sources, the light emitting diodes are densely arranged and distributed in a small space, heat dissipation is often poor, and the service life of the LED street lamp is influenced.

The Chinese patent with the publication number of CN211011127U discloses an LED street lamp radiator and an LED street lamp, a plurality of groups of ventilation holes enable internal gas to flow, a radiating reinforcing plate increases radiating area to promote radiating of heat of the lamp body, and then air flows through a radiating grid to take away heat, so that radiating efficiency is high, the lamp body can be at a proper use temperature, service life is prolonged, and the rotating support can conveniently adjust the irradiation angle of the lamp body according to requirements.

However, the above disclosed solution has the following disadvantages: the heat in the lamp body is difficult to be quickly dissipated only through the radiating fins arranged on the back surface of the LED light source mounting plate.

Disclosure of Invention

The utility model aims to solve the problem that a radiating fin in the background technology is difficult to quickly radiate heat in a street lamp, and provides an LED street lamp radiating structure.

The technical scheme of the utility model is as follows: a heat dissipation structure of an LED street lamp comprises a lamp post, a support box, a lamp body shell, a lamp body, heat dissipation fins, a fixed block, a heat pipe and a waterproof sealing plate;

the bottom of the lamp post is provided with a base, and the top of the lamp post is provided with a sealing ball in a sealing way; the two ends of the supporting box are respectively connected with the lamp post and the lamp body shell, and the inner cavities of the supporting box, the lamp post and the lamp body shell are communicated; the lamp body is arranged in the lamp body shell, and an illumination area is formed at the bottom of the lamp body shell; the radiating fins are arranged on the back surface of the lamp source mounting plate of the lamp body, and a plurality of groups of radiating fins are arranged; the fixed block is arranged on the inner wall of the top of the lamp body shell, the heat pipe penetrates through the fixed block and is connected with the fixed block, the two ends of the heat pipe are respectively a heat absorption end and a heat dissipation end, the heat absorption end is positioned above the heat dissipation fin, the heat dissipation end penetrates through the supporting box to be inserted into the lamp post and vertically upwards penetrates through the waterproof sealing plate, the waterproof sealing plate is arranged on the inner wall of the lamp post, a plurality of groups of opposite vent holes are arranged on the lamp post, and the vent holes are positioned above the waterproof sealing plate.

Preferably, a plurality of groups of mounting holes are vertically arranged on the base, and the plurality of groups of mounting holes are uniformly distributed along the circumferential direction by taking the axis of the lamp post as the center.

Preferably, the heat pipes are arranged in multiple groups.

Preferably, the lamp post is provided with a rain shield, the bottom of the rain shield and one side far away from the lamp post are provided with openings, and the vent hole is positioned in the rain shield.

Preferably, the lamp body shell is connected with the lamp post through a reinforcing plate, and the reinforcing plate is positioned above the supporting box.

Preferably, a partition board is arranged in the support box, and a heat dissipation channel positioned above the partition board and a wiring channel positioned below the partition board are formed in the support box.

Preferably, the end part of the partition plate extends out of the support box and is attached to the inner wall of the lamp post.

Compared with the prior art, the utility model has the following beneficial technical effects: the heat that the lamp body work was given off is absorbed by the heat absorption end of fin and heat pipe, and the heat is given off by the heat dissipation end of heat pipe again, and the heat that gives off is located the lamp pole, can not influence the operational environment of lamp body, and can give off the heat to the environment in through the air vent, forms natural heat dissipation, and heat pipe radiating efficiency is high. The heat emitted by the lamp body can be taken away rapidly through the double heat dissipation effect of the heat dissipation sheet and the heat pipe, so that high-efficiency heat dissipation is realized. The heat pipe and the lead can be separated by the partition plate, and a certain protection effect is achieved on the lead. The rain shield can prevent rainwater from entering the lamp post to a great extent, and plays a role in protecting the heat dissipation end of the heat pipe.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of the lamp body housing;

fig. 3 is a partial view of the cross-sectional view of fig. 1.

Reference numerals: 1. a lamp post; 2. a base; 3. a sealing ball; 4. a support box; 5. a lamp body housing; 6. a lamp body; 7. a heat sink; 8. a fixed block; 9. a heat pipe; 10. a heat absorbing end; 11. a heat dissipating end; 12. waterproof sealing plate; 13. a vent hole; 14. a rain shield; 15. a reinforcing plate; 16. a partition board.

Detailed Description

Example 1

As shown in fig. 1-3, the heat dissipation structure of the LED street lamp provided by the utility model comprises a lamp post 1, a support box 4, a lamp body shell 5, a lamp body 6, a heat dissipation sheet 7, a fixed block 8, a heat pipe 9 and a waterproof sealing plate 12;

the bottom of the lamp post 1 is provided with a base 2, a plurality of groups of mounting holes are vertically arranged on the base 2, the plurality of groups of mounting holes are uniformly distributed along the circumferential direction by taking the axis of the lamp post 1 as the center, and the top of the lamp post 1 is provided with a sealing ball 3 in a sealing way; the two ends of the supporting box 4 are respectively connected with the lamp post 1 and the lamp body shell 5, and the inner cavities of the supporting box 4, the lamp post 1 and the lamp body shell 5 are communicated; the lamp body 6 is arranged in the lamp body shell 5 and forms an illumination area at the bottom of the lamp body shell 5; the radiating fins 7 are arranged on the back surface of the lamp source mounting plate of the lamp body 6, and a plurality of groups of radiating fins 7 are arranged; the fixed block 8 is arranged on the inner wall of the top of the lamp body shell 5, the heat pipes 9 penetrate through the fixed block 8 and are connected with the fixed block 8, the heat pipes 9 are provided with a plurality of groups, two ends of each heat pipe 9 are respectively provided with a heat absorption end 10 and a heat dissipation end 11, the heat absorption ends are positioned above the heat dissipation fins 7, the heat dissipation ends 11 penetrate through the supporting box 4 to be inserted into the lamp pole 1 and vertically upwards penetrate through the waterproof sealing plate 12, the waterproof sealing plate 12 is arranged on the inner wall of the lamp pole 1, a plurality of groups of vent holes 13 which are opposite are arranged on the lamp pole 1, and the vent holes 13 are positioned above the waterproof sealing plate 12.

In this embodiment, the heat emitted by the lamp body 6 is absorbed by the heat sink 7 and the heat absorbing end 10 of the heat pipe 9, and then is emitted by the heat dissipating end 11 of the heat pipe 9, and the emitted heat is located in the lamp post 1, so that the working environment of the lamp body 6 is not affected, and the heat can be emitted to the environment through the vent hole 13, thereby forming natural heat dissipation, and the heat pipe 9 has high heat dissipation efficiency. Namely, the heat emitted by the lamp body 6 can be taken away rapidly through the dual heat dissipation effect of the heat dissipation fins 7 and the heat pipes 9, so that the efficient heat dissipation is realized.

Example two

the bottom of the lamp post 1 is provided with a base 2, a plurality of groups of mounting holes are vertically arranged on the base 2, the plurality of groups of mounting holes are uniformly distributed along the circumferential direction by taking the axis of the lamp post 1 as the center, and the top of the lamp post 1 is provided with a sealing ball 3 in a sealing way; the two ends of the supporting box 4 are respectively connected with the lamp post 1 and the lamp body shell 5, and the inner cavities of the supporting box 4, the lamp post 1 and the lamp body shell 5 are communicated; the lamp body 6 is arranged in the lamp body shell 5 and forms an illumination area at the bottom of the lamp body shell 5; the radiating fins 7 are arranged on the back surface of the lamp source mounting plate of the lamp body 6, and a plurality of groups of radiating fins 7 are arranged; the fixed block 8 is arranged on the inner wall of the top of the lamp body shell 5, the heat pipes 9 penetrate through the fixed block 8 and are connected with the fixed block 8, the heat pipes 9 are provided with a plurality of groups, two ends of each heat pipe 9 are respectively provided with a heat absorption end 10 and a heat dissipation end 11, the heat absorption ends are positioned above the heat dissipation fins 7, the heat dissipation ends 11 penetrate through the supporting box 4 to be inserted into the lamp pole 1 and vertically upwards penetrate through the waterproof sealing plate 12, the waterproof sealing plate 12 is arranged on the inner wall of the lamp pole 1, a plurality of groups of vent holes 13 which are opposite are arranged on the lamp pole 1, and the vent holes 13 are positioned above the waterproof sealing plate 12. The lamp pole 1 is provided with a rain shield 14, the bottom of the rain shield 14 and one side far away from the lamp pole 1 are provided with openings, and the vent hole 13 is positioned in the rain shield 14. The lamp body outer shell 5 is connected with the lamp post 1 through a reinforcing plate 15, and the reinforcing plate 15 is positioned above the support box 4. The support box 4 is internally provided with a baffle 16, a heat dissipation channel positioned above the baffle 16 and a wiring channel positioned below the baffle 16 are formed in the support box 4, and the end part of the baffle 16 extends out of the support box 4 and is attached to the inner wall of the lamp post 1.

In this embodiment, the heat emitted by the lamp body 6 is absorbed by the heat sink 7 and the heat absorbing end 10 of the heat pipe 9, and then is emitted by the heat dissipating end 11 of the heat pipe 9, and the emitted heat is located in the lamp post 1, so that the working environment of the lamp body 6 is not affected, and the heat can be emitted to the environment through the vent hole 13, thereby forming natural heat dissipation, and the heat pipe 9 has high heat dissipation efficiency. Namely, the heat emitted by the lamp body 6 can be taken away rapidly through the dual heat dissipation effect of the heat dissipation fins 7 and the heat pipes 9, so that the efficient heat dissipation is realized. The partition 16 can separate the heat pipe 9 from the wires, and has a certain protection effect on the wires. The rain shield 14 can prevent rainwater from entering the lamp pole 1 to a great extent, and plays a role in protecting the heat dissipation end 11 of the heat pipe 9.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The LED street lamp heat dissipation structure is characterized by comprising a lamp post (1), a support box (4), a lamp body shell (5), a lamp body (6), heat dissipation fins (7), a fixed block (8), a heat pipe (9) and a waterproof sealing plate (12);

the bottom of the lamp post (1) is provided with a base (2), and the top of the lamp post (1) is provided with a sealing ball (3) in a sealing way; two ends of the supporting box (4) are respectively connected with the lamp post (1) and the lamp body shell (5), and the inner cavities of the supporting box (4), the lamp post (1) and the lamp body shell (5) are communicated; the lamp body (6) is arranged in the lamp body shell (5) and an illumination area is formed at the bottom of the lamp body shell (5); the radiating fins (7) are arranged on the back surface of the lamp source mounting plate of the lamp body (6), and a plurality of groups of radiating fins (7) are arranged; fixed block (8) set up on lamp body shell (5) top inner wall, heat pipe (9) pass fixed block (8) and are connected with fixed block (8), heat pipe (9) both ends are respectively heat absorption end (10) and radiating end (11), the heat absorption end is located fin (7) top, radiating end (11) pass support box (4) insert lamp pole (1) in and vertically upwards pass waterproof closing plate (12), waterproof closing plate (12) set up on lamp pole (1) inner wall, set up multiunit relative air vent (13) on lamp pole (1), air vent (13) are located waterproof closing plate (12) top.

2. The heat radiation structure of the LED street lamp according to claim 1, wherein a plurality of groups of mounting holes are vertically arranged on the base (2), and the plurality of groups of mounting holes are uniformly distributed along the circumferential direction by taking the axis of the lamp post (1) as the center.

3. The heat dissipation structure of an LED street lamp as claimed in claim 1, characterized in that the heat pipes (9) are arranged in groups.

4. The LED street lamp heat dissipation structure according to claim 1, wherein a rain shield (14) is arranged on the lamp post (1), the bottom of the rain shield (14) and one side far away from the lamp post (1) are opened, and the vent hole (13) is positioned in the rain shield (14).

5. The LED street lamp heat dissipation structure according to claim 1, wherein the lamp body shell (5) and the lamp post (1) are connected through a reinforcing plate (15), and the reinforcing plate (15) is located above the support box (4).

6. The heat dissipation structure of an LED street lamp according to claim 1, wherein a partition board (16) is arranged in the support box (4), and a heat dissipation channel above the partition board (16) and a routing channel below the partition board (16) are formed in the support box (4).

7. The LED street lamp heat dissipation structure as claimed in claim 6, wherein the end of the partition plate (16) extends out of the support box (4) and is attached to the inner wall of the lamp post (1).