CN210014253U

CN210014253U - High-efficient heat dissipation type LED aluminum substrate and have street lamp holder of this aluminum substrate

Info

Publication number: CN210014253U
Application number: CN201920978550.9U
Authority: CN
Inventors: 罗银海
Original assignee: YANGZHOU EDISON OPTO CO Ltd
Current assignee: YANGZHOU EDISON OPTO CO Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-02-04
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to an aluminium base board of high-efficient heat dissipation type LED and have this aluminium base board's street lamp holder belongs to the lighting technology field. A plurality of LED lamp beads distributed in a grid array mode are installed on the front face of the aluminum substrate, a grid heat conduction layer is arranged on the back face of the aluminum substrate, and the intersection points of the grid heat conduction layer correspond to the LED lamp beads one to one. The aluminum substrate is arranged in an optical cavity of the street lamp cap. An annular sealing ring is arranged between an upper cover of the lamp holder electric cavity and the electric cavity, and an upper concave area and a lower concave area are respectively arranged at the contact positions of the annular sealing ring and the upper cover and the electric cavity. The utility model discloses an aspect has promoted the heat dispersion of aluminium base board, and on the other hand has strengthened the sealing performance of the street lamp holder that has this aluminium base board; the utility model discloses an optics intracavity is arranged in to heat dissipation heat conduction structure, does not expose in the air, and glossy lamps and lanterns casing has avoided blockking up such as dust, bird's dung and has influenced radiating phenomenon, has wide market space.

Description

High-efficient heat dissipation type LED aluminum substrate and have street lamp holder of this aluminum substrate

Technical Field

The utility model relates to an aluminium base board of high-efficient heat dissipation type LED and have this aluminium base board's street lamp holder belongs to the lighting technology field.

Background

The LED lamp is more and more accepted by the masses due to the advantages of energy conservation, environmental protection, high efficiency, long service life and the like, and permeates into various fields of illumination, namely a green illumination light source in the 21 st century. LED lamps are also becoming the mainstream of market lighting field, and are accepted and accepted by consumers. At present, LED lamps are widely applied to street lamps.

Because the LED light source has a high requirement for heat dissipation, the heat dissipation problem of the street lamp has always been the focus of attention in street lamp design. Can set up radiating fin among the prior art on the shell of LED street lamp holder, though played certain radiating effect, radiating fin exposes in the air, treats to use a period of time after, and the groove between the radiating fin can be filled up by dust, insect, bird's dung etc. makes radiating fin lose the heat dissipation function.

SUMMERY OF THE UTILITY MODEL

The technical purpose of the utility model is to the not enough of above-mentioned prior art, provide an aluminium base board of high-efficient heat dissipation type LED and have this aluminium base board's street lamp holder.

The technical scheme of the utility model as follows:

the efficient heat dissipation type LED aluminum substrate is characterized in that a plurality of LED lamp beads distributed in a grid array mode are installed on the front face of the aluminum substrate, a grid-shaped heat conduction layer is arranged on the back face of the aluminum substrate, and the intersection points of the grid-shaped heat conduction layer correspond to the LED lamp beads one to one.

Preferably, the latticed heat conduction layer is formed by vertically and crosswise connecting a plurality of metal rib plates.

A street lamp cap with an efficient heat dissipation type LED aluminum substrate is characterized in that the aluminum substrate is arranged in an optical cavity of the street lamp cap.

Preferably, the street lamp cap further comprises an electrical cavity, and the electrical cavity and the optical cavity are isolated from each other.

Preferably, an upper cover is arranged at the top of the electrical cavity, and an annular sealing ring is arranged between the upper cover and the electrical cavity.

Preferably, the annular sealing ring is provided with an upper concave area and a lower concave area at the contact positions of the annular sealing ring and the upper cover and the electric cavity respectively.

Preferably, two convex ribs are distributed on the top of the annular sealing ring along the circumferential direction of the annular sealing ring, and a gap between the two convex ribs forms an upper concave area for contacting with the edge of the upper cover.

Preferably, the bottom of the annular sealing ring is provided with an arc-shaped groove along the circumferential direction to form a concave region for being mounted on the edge of the electrical cavity.

Preferably, a through hole is formed in the middle of the annular sealing ring along the circumferential direction of the annular sealing ring.

In the utility model, the grid-shaped metal rib plate is arranged on the back surface of the aluminum substrate, so that the vertical intersection point of the metal rib plate is in contact with the packaging part of the LED lamp bead on the aluminum substrate in a laminating manner, and on one hand, the vertically intersected metal rib plate is divided into a plurality of heat dissipation cavities, thereby facilitating heat dissipation and heat conduction; on the other hand, the heat conducting layer made of metal can be directly contacted with the LED heat source, and the structure is favorable for the metal rib plate to conduct sufficient heat conduction on the LED lamp bead and comprehensively conduct heat absorption and heat dissipation on the chip; in addition, the bottom of the metal rib plate is directly exposed in the optical cavity, and is not shielded by a shell or other structures, so that the heat dissipation effect is improved.

The utility model discloses combine this aluminium base board of high-efficient heat dissipation type LED with the street lamp holder to the electric chamber department at the street lamp holder has set up the ring packing of heterotypic structure. The edge of the upper cover is pressed down in the concave area at the top of the annular sealing ring, and the convex ribs of the arc-shaped structure are attached to the inner side and the outer side of the edge of the upper cover, so that the sealing property is improved; the arc-shaped groove at the bottom of the annular sealing ring is convenient for the insertion of the edge of the side wall of the electric cavity, so that the sealing performance is improved; when the upper cover is pressed in the electric cavity, the top and the bottom of the through hole structure arranged along the circumferential direction of the annular sealing ring are extruded and deformed, so that the annular sealing ring is more tightly connected with the upper cover and the electric cavity, and the sealing performance of the upper and lower concave parts and the upper cover and the electric cavity is better.

The utility model has simple and reasonable structure and easy production and manufacture, on one hand, the heat dispersion of the aluminum substrate is improved, and the service life of the LED lamp bead is prolonged; on the other hand, the sealing performance of the street lamp cap with the aluminum substrate is also enhanced; the utility model discloses an optics intracavity is arranged in to heat dissipation heat conduction structure, does not expose in the air, and glossy lamps and lanterns casing has avoided blockking up such as dust, bird's dung and has influenced radiating phenomenon, has wide market space.

Drawings

FIG. 1 is a schematic view of a medium-efficiency heat dissipation type LED aluminum substrate according to the present invention;

FIG. 2 is a schematic view of the street lamp cap of the present invention;

FIG. 3 is a schematic view of the optical cavity of the lamp head of the street lamp of the present invention;

FIG. 4 is a schematic view of the middle ring-shaped sealing ring of the present invention;

in the figure: the LED lamp comprises an aluminum substrate 1, LED lamp beads 2, a grid-shaped heat conduction layer 3, an optical cavity 4, an electric cavity 5, an upper cover 6, an annular sealing ring 7, a convex rib 8, an arc-shaped groove 9, a through hole 10 and a lens 11.

Detailed Description

Example 1

As shown in fig. 1, a high-efficiency heat-dissipation type LED aluminum substrate 1 has a plurality of LED lamp beads 2 arranged in a grid array on a front surface thereof, a grid heat conduction layer 3 is disposed on a back surface thereof, the grid heat conduction layer is formed by vertically and cross-connecting a plurality of metal rib plates, the vertical cross points of the grid heat conduction layer correspond to the LED lamp beads one to one, and the LED lamp beads are in direct contact with LED chips, thereby facilitating rapid heat conduction and heat dissipation.

Example 2

The high-efficiency heat dissipation type LED aluminum substrate in the embodiment 1 is installed in the optical cavity 4 of the street lamp cap, so that the heat dissipation structure of the street lamp cap is not exposed in the air, and the smooth lamp shell avoids the phenomenon that the heat dissipation is affected due to blockage of dust, bird droppings and the like.

Example 3

On the basis of embodiment 2, the structure of the sealing ring in the electric cavity of the street lamp cap is improved, and an upper concave area and a lower concave area are respectively arranged at the contact positions of the annular sealing ring and the upper cover and the electric cavity.

Specifically, two convex ribs 8 are distributed on the top of the annular sealing ring along the circumferential direction of the annular sealing ring, and a gap between the two convex ribs forms an upper concave area for contacting with the edge of the upper cover. The bottom of the ring-shaped sealing ring is provided with an arc-shaped groove 9 along the circumferential direction to form a lower concave area for being arranged on the edge of the electric cavity. A through hole 10 is formed in the middle of the annular sealing ring along the circumferential direction of the annular sealing ring, so that the upper cover is convenient to deform during pressing, the upper cover and the electric cavity are more tightly attached to the annular sealing ring, and the sealing performance of the electric cavity is improved.

Claims

1. The efficient heat dissipation type LED aluminum substrate is characterized in that a plurality of LED lamp beads (2) distributed in a grid array mode are mounted on the front face of the aluminum substrate (1), a grid heat conduction layer (3) is arranged on the back face of the aluminum substrate, and the intersection points of the grid heat conduction layer correspond to the LED lamp beads one by one.

2. The high-efficiency heat-dissipation type LED aluminum substrate as recited in claim 1, wherein the latticed heat-conducting layer is formed by vertically and crosswise connecting a plurality of metal rib plates.

3. A street lamp cap with a high efficiency heat dissipating LED aluminum base according to any of claims 1-2, wherein the aluminum base is mounted in an optical cavity (4) of the street lamp cap.

4. The street lamp cap with the high-efficiency heat dissipation type LED aluminum substrate as recited in claim 3, further comprising an electrical cavity (5), wherein the electrical cavity is isolated from the optical cavity.

5. The street lamp cap with the high-efficiency heat dissipation type LED aluminum substrate as claimed in claim 4, wherein an upper cover (6) is arranged on the top of the electrical cavity, and an annular sealing ring (7) is arranged between the upper cover and the electrical cavity.

6. The lamp holder of claim 5, wherein the annular sealing ring is provided with an upper concave region and a lower concave region at the contact positions with the upper cover and the electrical cavity.

7. The street lamp cap with the high-efficiency heat dissipation type LED aluminum substrate as claimed in claim 6, wherein two ribs (8) are distributed on the top of the annular sealing ring along the circumferential direction, and a gap between the two ribs forms an upper concave region for contacting with the edge of the upper cover.

8. The street lamp cap with the high-efficiency heat dissipation type LED aluminum substrate as claimed in claim 6 or 7, wherein the bottom of the annular sealing ring is provided with an arc-shaped groove (9) along the circumferential direction thereof to form a concave region for being mounted on the edge of the electrical cavity.

9. The street lamp cap with the high-efficiency heat dissipation type LED aluminum substrate as claimed in claim 6, wherein a through hole (10) is formed in the middle of the annular sealing ring along the circumferential direction.