CN216408907U

CN216408907U - Improved semiconductor lighting device

Info

Publication number: CN216408907U
Application number: CN202122920253.9U
Authority: CN
Inventors: 夏云; 朱美山
Original assignee: Yangzhou Zhongmei New Energy Lighting Co ltd
Current assignee: Yangzhou Zhongmei New Energy Lighting Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-29
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses an improved semiconductor lighting device in the field of lighting, and particularly relates to an improved semiconductor lighting device. The improved semiconductor lighting device comprises a shell, a light source and a light source, wherein a cavity is formed in the shell; an aluminum heat sink disposed in the cavity of the housing; and the lighting assembly comprises a lithium magnesium alloy radiating fin and a flexible PCB arranged in the cavity, a plurality of LED lamps are arranged on one side of the flexible PCB, the other side of the flexible PCB is fixed on the lithium magnesium alloy radiating fin, the lithium magnesium alloy radiating fin is fixed on the aluminum radiator, the aluminum radiator is formed by stacking fins and layer partition plates adjacently, and the upper end part of each fin is of an irregular convex-concave surface structure. The utility model has reasonable structure and excellent heat dissipation effect.

Description

Improved semiconductor lighting device

Technical Field

The utility model relates to the technical field of illumination, in particular to an improved semiconductor illumination device.

Background

The LED street lamp is used for providing illumination for public places such as roads and communities, the LED street lamp in the prior art is high in power, a lamp bank generates more heat during working, and the temperature of the LED lamp bank is high, so that the LED street lamp needs to be provided with a heat dissipation device for reducing the temperature of the LED lamp bank.

In the prior art, an aluminum radiator is only attached to the back of an LED lamp group of an LED street lamp, and although the aluminum radiator has a certain heat dissipation effect, the heat conduction speed of the aluminum radiator is slow, and the heat dissipation speed still cannot meet the heat dissipation requirement of the LED street lamp, the heat dissipation effect of the LED street lamp is still not ideal, and the temperature of the LED lamp group of the LED street lamp is still relatively high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved semiconductor lighting device with reasonable structure and excellent heat dissipation effect.

In order to achieve the above object of the present invention, the following technical solutions are adopted by an improved semiconductor lighting device:

an improved semiconductor lighting device comprising:

a housing having a chamber formed therein;

an aluminum heat sink disposed in the cavity of the housing; and

the lighting assembly comprises a lithium magnesium alloy radiating fin and a flexible PCB arranged in the cavity, a plurality of LED lamps are arranged on one side of the flexible PCB, the other side of the flexible PCB is fixed on the lithium magnesium alloy radiating fin, the lithium magnesium alloy radiating fin is fixed on an aluminum radiator, the aluminum radiator is formed by adjacent stacking of fins and layer partition plates, and the upper end of each fin is of an irregular convex-concave surface structure. The radiating fins with the irregular convex-concave surface structures at the upper end parts are arranged, so that the radiating effect is excellent.

Specifically, the area of the layer spacer is much smaller than the area of the fin.

Specifically, the radiating fins are provided with latticed heat conducting layers, and the intersection points of the latticed heat conducting layers correspond to the LED lamps one by one.

Specifically, one side of the LED street lamp is provided with a light-transmitting lens, and the light-transmitting lens is fixed with the shell.

Compared with the prior art, the utility model has the beneficial effects that:

the radiating fins with the irregular convex-concave surface structures at the upper end parts are arranged, so that the radiating effect is excellent.

Drawings

FIG. 1 is a schematic diagram of the present invention.

The LED lamp comprises a shell 1, a cavity 2, an aluminum radiator 3, a radiating fin 4, a circuit board 5, a heat conducting layer 6 and a light-transmitting lens 7.

Detailed Description

The present invention is further illustrated by the following detailed description, which is to be construed as merely illustrative and not limitative of the remainder of the disclosure, and modifications and variations such as those ordinarily skilled in the art are intended to be included within the scope of the present invention as defined in the appended claims.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "vertical", "peripheral surface" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the term "vertical" or the like does not imply that the components are required to be absolutely horizontal or overhanging, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, an improved semiconductor lighting device includes:

a housing 1 having a chamber 2 formed therein;

an aluminum heat sink 3 disposed in the chamber 2 of the housing 1; and

the lighting assembly comprises a lithium magnesium alloy radiating fin 4 and a flexible PCB 5 arranged in the cavity 2, wherein a plurality of LED lamps are arranged on one side of the flexible PCB 5, the other side of the flexible PCB 5 is fixed on the lithium magnesium alloy radiating fin 4, the lithium magnesium alloy radiating fin 4 is fixed on an aluminum radiator 3, the aluminum radiator 3 is formed by stacking fins and a layer of partition plates, and the upper end of each fin is of an irregular convex-concave structure. The radiating fins with the irregular convex-concave surface structures at the upper end parts are arranged, so that the radiating effect is excellent.

Specifically, the heat dissipation sheet 4 is provided with a latticed heat conduction layer 6, and the intersection points of the latticed heat conduction layer 6 correspond to the LED lamps one by one.

Specifically, one side of the LED street lamp is provided with a transparent lens 7, and the transparent lens 7 is fixed to the housing 1. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. An improved semiconductor lighting device, comprising:

a housing having a chamber formed therein;

an aluminum heat sink disposed in the cavity of the housing; and

the lighting assembly comprises a lithium magnesium alloy radiating fin and a flexible PCB arranged in the cavity, wherein a plurality of LED lamps are arranged on one side of the flexible PCB, the other side of the flexible PCB is fixed on the lithium magnesium alloy radiating fin, the lithium magnesium alloy radiating fin is fixed on the aluminum radiator, the aluminum radiator is formed by adjacent stacking of fins and layer partition plates, and the upper end of each fin is of an irregular concave-convex surface structure.

2. An improved semiconductor lighting device as defined in claim 1, wherein: the area of the layer spacer is much smaller than the area of the fin.

3. An improved semiconductor lighting device as defined in claim 1, wherein: the LED lamp is characterized in that the radiating fins are provided with latticed heat conducting layers, and the intersection points of the latticed heat conducting layers correspond to the LED lamps one by one.

4. An improved semiconductor lighting device as defined in claim 1, wherein: and a light-transmitting lens is arranged on one side of the LED street lamp and is fixed with the shell.