CN215294670U

CN215294670U - LED street lamp with high heat dissipation efficiency

Info

Publication number: CN215294670U
Application number: CN202121240889.2U
Authority: CN
Inventors: 周景
Original assignee: Jiangsu Difeng Lighting Technology Co ltd
Current assignee: Jiangsu Difeng Lighting Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-24
Anticipated expiration: 2031-06-03

Abstract

The utility model provides a high radiating efficiency's LED street lamp, including last lamp shade and lower lamp shade, go up the lamp shade and install together through the heating panel down between the lamp shade, install the LED lamp plate in the lamp shade down, go up the forced air cooling heat dissipation chamber that divide into the water-cooling heat dissipation chamber on upper portion and lower part in the lamp shade, the top interval in the water-cooling heat dissipation chamber outside is equipped with a plurality of radiating grooves, and the spaced fixed a plurality of heat dissipation division boards that are equipped with of forced air cooling heat dissipation intracavity, and open the ventilation hole on the chamber wall of both sides. The utility model discloses a heat dissipation of lamp body has been reinforceed to the double radiating mode of water-cooling and forced air cooling, and the heat that the LED lamp plate produced can effectually distribute away fast, has prolonged the life of street lamp.

Description

LED street lamp with high heat dissipation efficiency

Technical Field

The utility model relates to a street lamp field specifically is a high radiating efficiency's LED street lamp.

Background

The LED street lamp is a street lamp manufactured by using an LED light source, directly converts electric energy into light energy, has the advantages of high efficiency, safety, energy conservation, environmental protection, long service life and the like, and has very important significance for urban illumination energy conservation. However, in the prior art, the LED light source in the LED street lamp can generate a large amount of heat energy after emitting light for a long time, and although the heat sink is additionally installed in the lamp body, the heat sink has a limited heat dissipation function, and the heat cannot be rapidly and effectively discharged, so that the service life of the street lamp can be affected after long-term use, and the development of the high-power LED street lamp is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high radiating efficiency's LED street lamp to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a high radiating efficiency's LED street lamp, includes lamp shade and lower lamp shade, go up the lamp shade and install together through the heating panel down between the lamp shade, install the LED lamp plate down in the lamp shade, go up the lamp shade and divide into the water-cooling heat dissipation chamber on upper portion and the forced air cooling heat dissipation chamber of lower part, the top interval in the water-cooling heat dissipation chamber outside is equipped with a plurality of radiating grooves, the fixed of forced air cooling heat dissipation intracavity interval is equipped with a plurality of heat dissipation division boards, and opens the ventilation hole on the chamber wall of both sides.

The heat dissipation plate is arranged obliquely towards one side, and a drain hole is formed in one side of the downward oblique end.

A plurality of the radiating groove sets up along length direction the top in the water-cooling heat dissipation chamber outside, the thermal divider board also sets up along length direction the air-cooled heat dissipation intracavity, the ventilation hole is seted up on the both sides wall of air-cooled heat dissipation chamber width.

The top end of the water-cooling heat dissipation cavity is in a herringbone shape along the length direction.

And the heat radiating grooves and the water-cooling heat radiating cavity are integrally formed.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a heat dissipation of lamp body has been reinforceed to the double radiating mode of water-cooling and forced air cooling, and the heat that the LED lamp plate produced can effectually distribute away fast, has prolonged the life of street lamp.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a plan view of embodiment 1 of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

FIG. 5 is a sectional view based on embodiment 2 of FIG. 4;

in the figure: 1, arranging a lampshade; 11 water-cooling heat dissipation cavity; 12 air-cooled heat dissipation cavities; 2, arranging a lampshade; 3 heat dissipating plate; 4, LED lamp panels; 5, a heat dissipation groove; 6, a heat dissipation partition plate; 7 a vent hole; 8 heat dissipation fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides a technical solution: a high heat dissipation efficiency LED street lamp comprises an upper lamp shade 1 and a lower lamp shade 2, the upper lamp shade 1 and the lower lamp shade 3 are installed together through a heat dissipation plate 3, an LED lamp panel 4 is installed in the lower lamp shade 3, the upper lamp shade 1 is internally divided into a water-cooling heat dissipation cavity 11 at the upper part and an air-cooling heat dissipation cavity 12 at the lower part, a plurality of heat dissipation grooves 5 are arranged at intervals at the top outside the water-cooling heat dissipation cavity 11, rainwater can flow downwards through the heat dissipation grooves 5, the bottoms of the heat dissipation grooves 5 protrude into the water-cooling heat dissipation cavity 11, the heat dissipation area is increased, the rainwater takes away heat through a convection heat transfer mode to realize heat dissipation, a plurality of heat dissipation partition plates 6 are fixedly arranged at intervals in the air-cooling heat dissipation cavity 12, the heat dissipation partition plates 6 divide the air-cooling heat dissipation cavity 12 into a plurality of air channels, ventilation holes 7 are opened on the cavity walls at two sides, and external wind enters the air-cooling heat dissipation cavity 12 through the ventilation holes 7 at one side, then quickly exhausted from the vent holes 7 on the other side through the air channel, and heat is taken away in a convection heat transfer mode.

The heat dissipation plate 3 is arranged obliquely towards one side, a drain hole is formed in one side of the downward oblique end, rainwater enters the air-cooled heat dissipation cavity 12 through the vent hole 7, and the rainwater can be drained from the drain hole through the obliquely arranged heat dissipation plate 3.

A plurality of radiating groove 5 sets up along length direction the top in the 11 outsides in water-cooling heat dissipation chamber, division board 6 also sets up along length direction in air-cooled heat dissipation chamber 12, ventilation hole 7 is seted up on the both sides wall of air-cooled heat dissipation chamber 12 width, and rainwater can be avoided along the in-process that radiating groove 5 flows down to get into in air-cooled heat dissipation chamber 12 through ventilation hole 7 to such design.

The top of water-cooling heat dissipation chamber 11 is "people" style of calligraphy along length direction, does benefit to the rainwater on 11 tops of water-cooling heat dissipation chamber to flow to both sides.

And the heat radiating grooves 5 and the water cooling heat radiating cavity 11 are integrally formed.

Example 2

Referring to fig. 5, on the basis of the technical solution of the embodiment 1, the outer wall of the bottom of the heat sink 5 is provided with a plurality of heat dissipation fins 8, and the plurality of heat dissipation fins 8 are disposed in the water-cooling heat dissipation cavity 11, so that the heat transfer area is increased, the heat transfer efficiency is improved, and the heat dissipation effect is further enhanced.

It is noted that relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high radiating efficiency's LED street lamp, includes lamp shade and lower lamp shade, go up the lamp shade and install together through the heating panel down between the lamp shade, install LED lamp plate, its characterized in that in the lamp shade down: divide into the water-cooling heat dissipation chamber on upper portion and the forced air cooling heat dissipation chamber of lower part in the upper lamp shade, the top interval in the water-cooling heat dissipation chamber outside is equipped with a plurality of radiating grooves, the spaced fixed a plurality of heat dissipation division boards that are equipped with in the forced air cooling heat dissipation chamber, and open on the chamber wall of both sides the ventilation hole.

2. The LED street lamp with high heat dissipation efficiency as recited in claim 1, wherein: the heat dissipation plate is arranged obliquely towards one side, and a drain hole is formed in one side of the downward oblique end.

3. The LED street lamp with high heat dissipation efficiency as recited in claim 1, wherein: a plurality of the radiating groove sets up along length direction the top in the water-cooling heat dissipation chamber outside, the thermal divider board also sets up along length direction the air-cooled heat dissipation intracavity, the ventilation hole is seted up on the both sides wall of air-cooled heat dissipation chamber width.

4. The LED street lamp with high heat dissipation efficiency as recited in claim 1, wherein: the top end of the water-cooling heat dissipation cavity is in a herringbone shape along the length direction.

5. The LED street lamp with high heat dissipation efficiency as recited in claim 1, wherein: and the heat radiating grooves and the water-cooling heat radiating cavity are integrally formed.