CN212156803U

CN212156803U - Heat dissipation LED street lamp

Info

Publication number: CN212156803U
Application number: CN202020548868.6U
Authority: CN
Inventors: 张燕
Original assignee: Jiangsu Huamei Lighting Technology Co ltd
Current assignee: Jiangsu Huamei Lighting Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-15
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a heat dissipation LED street lamp, including last lamp shade and the lower lamp shade of being connected through heating panel and last lamp shade, be equipped with the heat dissipation inner chamber in the lamp shade of going up, heat dissipation inner chamber both ends communicate respectively has the wind gap, the wind gap sets up in the both ends of last lamp shade, intracavity has a plurality of heat dissipation baffles along width direction interval distribution in the heat dissipation, the top at the heat dissipation inner chamber is fixed to the upper end of heat dissipation baffle, and the lower extreme is fixed on the upper portion of heating panel, the drainage pore has been seted up respectively to heat dissipation inner chamber both sides bottom, install the LED lamp plate in the lower lamp shade, LED lamp plate upper portion is equipped with the radiating. The utility model discloses a heat-conduction and convection heat transfer's dual mode is quick in the heat dissipation that produces the LED lamp to external environment, and the radiating effect is good, and the radiating efficiency is high, has prolonged the life of LED lamp.

Description

Heat dissipation LED street lamp

Technical Field

The utility model belongs to the street lamp field, concretely relates to heat dissipation LED street lamp.

Background

The LED street lamp has the advantages of environmental protection, no pollution, low power consumption and high lighting effect, is a mainstream road lighting facility at present, but can generate a large amount of heat in the using process, needs to be effectively radiated, and otherwise can influence the service life of an LED light source. The traditional LED street lamp mostly adopts the mode of heat conduction such as setting up the radiator to dispel the heat, and its radiating effect is not obvious, can not be timely with the heat dissipation to external environment that the LED lamp produced, the radiating efficiency is low, therefore the life of LED lamp is shorter.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a heat dissipation LED street lamp, through the heat dissipation to the external environment with the heat that the LED lamp produced that heat-conduction and convection heat transfer's dual mode are quick, the radiating effect is good, and the radiating efficiency is high, has prolonged the life of LED lamp.

The utility model discloses a realize through following technical scheme: the utility model provides a heat dissipation LED street lamp, includes lamp shade and the lower lamp shade of being connected with the lamp shade through the heating panel, be equipped with the heat dissipation inner chamber in the lamp shade, heat dissipation inner chamber both ends communicate respectively has the wind gap, the wind gap sets up in the both ends of lamp shade, the intracavity has a plurality of heat dissipation baffles along width direction interval distribution in the heat dissipation, the upper end of heat dissipation baffle is fixed the top of heat dissipation inner chamber, and the lower extreme is fixed the upper portion of heating panel, the drainage pore has been seted up respectively to heat dissipation inner chamber both sides bottom, install the LED lamp plate in the lamp shade down, LED lamp plate upper portion is equipped with the radiating block, the radiating block pass through radiating fin with the lower part of heating.

Rain baffles are fixedly arranged at two ends of the upper part of the upper lampshade respectively and are positioned above the air opening.

The air port is horn-shaped.

The bottom end of the heat dissipation partition plate is integrally formed with a plane bottom plate.

And the top ends of the radiating fins are integrally formed with radiating fin plates.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be equipped with the heat dissipation inner chamber in going up the lamp shade, the heat that the LED lamp plate produced passes through radiating block and radiating fin transmission to heating panel, and the wind gap that heat dissipation inner chamber both ends communicate respectively is in with external cold wind introduction heat dissipation inner chamber, and a plurality of passageways are separated into with heat dissipation inner chamber to a plurality of heat dissipation baffles of interval distribution in the heat dissipation inner chamber, cold wind improves when the passageway and has accelerated the convection heat transfer, the quick dispels the heat to external environment with the heat in, simultaneously, heat dissipation baffle accessible heat-conducting mode passes the heat to each part of heat dissipation inner chamber, make the heat equipartition, avoided too concentrating and lead to the fact lamp body bulk temperature too high, the radiating effect is good, the radiating efficiency is high.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at C-C of FIG. 1;

in the drawings: 1. an upper lampshade; 2. a lower lampshade; 3. a heat dissipation plate; 4. a heat dissipation inner cavity; 5. a tuyere; 6. a heat dissipating partition; 7. a fine drainage hole; 8, LED lamp panel; 9. a heat dissipating block; 10. a heat dissipating fin; 11. a rain shield; 12. a planar base plate; 13. a heat dissipation fin plate.

Detailed Description

A heat dissipation LED street lamp as shown in fig. 1 to 3 in the drawings of the specification, including an upper lamp shade 1 and a lower lamp shade 2 connected with the upper lamp shade 1 through a heat dissipation plate 3, a heat dissipation inner chamber 4 is arranged in the upper lamp shade 1, both ends of the heat dissipation inner chamber 4 are respectively communicated with an air port 5, the air ports 5 are arranged in both ends of the upper lamp shade 1, a plurality of heat dissipation partition plates 6 are distributed in the heat dissipation inner chamber 4 along the width direction at intervals, the upper ends of the heat dissipation partition plates 6 are fixed at the top of the heat dissipation inner chamber 4, the lower ends of the heat dissipation partition plates are fixed on the upper portion of the heat dissipation plate 3, water drainage pores 7 are respectively arranged at the bottom ends of both sides of the heat dissipation inner chamber 4, an LED lamp plate 8 is arranged.

The heat that the LED lamp plate produced passes through radiating block 9 and radiating fin 10 and transmits to heating panel 3, and wind gap 5 that 4 both ends of heat dissipation inner chamber communicate respectively is with during external cold wind introduction heat dissipation inner chamber 4, and a plurality of passageways are separated into with heat dissipation inner chamber 4 to a plurality of heat dissipation baffle 6 of distribution in the heat dissipation inner chamber 4, the wind speed improves when cold wind passes through the passageway and has accelerated the convection heat transfer, quick heat dissipation to the external environment with the heat in, simultaneously heat dissipation baffle 6 accessible heat-conduction mode passes to each part of heat dissipation inner chamber 4 with the heat on heating panel 3, make the heat equipartition, avoided too concentrating and cause the lamp body bulk temperature too high, the radiating effect is good, the radiating efficiency is high, a small amount of rainwater that gets into in heat dissipation inner chamber 4 can be discharged to drainage pore 7, heating panel 3 can prevent.

Rain baffles 11 are fixedly arranged at two ends of the upper part of the upper lampshade 1 respectively, and the rain baffles 11 are positioned above the air opening 5 to prevent rainwater from entering the heat dissipation inner cavity 4 from the air opening 5.

The air port 5 is in a horn shape, which is beneficial to the air collection to enter the heat dissipation inner cavity 4 and is beneficial to the stable air outlet.

The lower end of the heat dissipation partition plate 6 is integrally formed with a plane bottom plate 12, so that the contact area between the heat dissipation partition plate and the heat dissipation plate 3 is increased, the heat transfer area is further increased, and heat conduction and heat transfer are facilitated.

The top end of the radiating fin 10 is integrally formed with a radiating fin plate 13, so that the contact area between the radiating fin plate and the radiating plate 3 is increased, the heat transfer area is further increased, and heat conduction and heat transfer are facilitated.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications of the shapes, structures, features and spirit described in the claims of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a heat dissipation LED street lamp which characterized in that: comprises an upper lampshade (1) and a lower lampshade (2) connected with the upper lampshade (1) through a heat dissipation plate (3), a heat dissipation inner cavity (4) is arranged in the upper lampshade (1), two ends of the heat dissipation inner cavity (4) are respectively communicated with an air port (5), the air ports (5) are arranged in the two ends of the upper lampshade (1), a plurality of heat dissipation partition plates (6) are distributed in the heat dissipation inner cavity (4) at intervals along the width direction, the upper end of the heat dissipation clapboard (6) is fixed at the top of the heat dissipation inner cavity (4), the lower end of the heat dissipation inner cavity (4) is fixed on the upper part of the heat dissipation plate (3), the bottom ends of the two sides of the heat dissipation inner cavity (4) are respectively provided with a water drainage pore (7), an LED lamp panel (8) is arranged in the lower lampshade (2), a radiating block (9) is arranged at the upper part of the LED lamp panel (8), the radiating block (9) is fixed with the lower part of the radiating plate (3) through radiating fins (10).

2. The heat-dissipating LED street lamp according to claim 1, wherein: rain baffles (11) are fixedly arranged at two ends of the upper part of the upper lampshade (1) respectively, and the rain baffles (11) are positioned above the air opening (5).

3. The heat-dissipating LED street lamp according to claim 1, wherein: the air opening (5) is horn-shaped.

4. The heat-dissipating LED street lamp according to claim 1, wherein: the bottom end of the heat dissipation partition plate (6) is integrally formed with a plane bottom plate (12).

5. The heat-dissipating LED street lamp according to claim 1, wherein: and the top ends of the radiating fins (10) are integrally formed with radiating fin plates (13).