WO2013159353A1

WO2013159353A1 - Led lighting

Info

Publication number: WO2013159353A1
Application number: PCT/CN2012/074875
Authority: WO
Inventors: 陈少藩
Original assignee: Chen Shaofan
Priority date: 2012-04-28
Filing date: 2012-04-28
Publication date: 2013-10-31

Abstract

An LED lighting comprising a frame bracket (1), a light-emitting component arranged at the front end of the frame bracket (1), a cap component (2) arranged at the rear end of the frame bracket (1), and, arranged within the frame bracket (1), a circuit board (3) and a heat-dissipating component (4). The cap component (2) is electrically connected to the light-emitting component via the circuit board (3). The light-emitting component dissipates heat via the heat-dissipating component (4). The heat-dissipating component (4) and the frame bracket (1) are detachably and matingly connected. By designing the heat-dissipating component (4) and the frame bracket (1) as a detachable structure, specifically a docking structure, assembly and disassembly of increased convenience are allowed for the LED lighting.

Description

LED light fixture

技术领域 Technical field

The utility model belongs to the technical field of lighting lamps, in particular to an LED lamp.

背景技术 Background technique

Existing LED luminaires generate high temperatures during operation, and high temperatures not only result in unstable operation, shortened service life, and may even burn some components. Most of the heat sinks in the prior art are provided with a plurality of fins on the heat conducting plate, and then fixedly connected to the lamp shell by screws or the like, which is generally difficult to disassemble by itself, which also brings trouble to the assembly and reduces production efficiency.

实用新型内容 Utility model content

In view of the shortcomings of the prior art, the object of the present invention is to provide an LED lamp with a simple structure and good heat dissipation effect.

To achieve the above object, the technical solution of the present invention is: an LED lamp comprising a bracket, a light-emitting component disposed at the front end of the bracket, a lamp cap assembly disposed at the rear end of the bracket, a circuit board disposed in the bracket, and a heat dissipating component, and the lamp cap assembly The light emitting component is electrically connected to the light emitting component through the heat dissipation component, wherein the heat dissipation component and the bracket are detachably coupled.

The heat dissipating component comprises a heat dissipating plate and a plurality of heat dissipating fins disposed on the heat dissipating plate, and the plurality of heat dissipating fins are inserted in the bracket. The bracket is a hollow bracket, and the heat dissipating fins are placed in the hollow position of the bracket.

Said At least one gap is disposed between the plurality of heat dissipating fins, and at least one rib is disposed on the bracket to be interfitted with the gap. Three gaps are evenly disposed between the plurality of heat dissipating fins, and three ribs are inserted and matched with the gap.

Said The heat dissipation plate is provided with a positioning groove, and the positioning block with the positioning groove is arranged on the bracket. A card slot for clamping the circuit board is disposed in the bracket. The circuit board is provided with a card hole, and the bracket is provided with a positioning buckle for clamping the card hole after the circuit board is inserted into the card slot.

The light emitting component includes an aluminum substrate and an LED chip disposed on the aluminum substrate, The heat dissipating component is disposed on the bottom of the aluminum substrate. A diffuser cover is disposed on the light-emitting surface of the light-emitting component, and a rear end of the bracket is provided with a connecting thread or a bayonet structure that is coupled with the lamp cap assembly.

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

The utility model has the advantages that the heat dissipating component and the bracket are designed as a detachable structure, especially the plug structure, and the heat dissipating component which needs to be fixed by screws is changed, the disassembly and assembly becomes convenient and easy to clean, and as a detachable component, Effectively increase the heat dissipation area of the heat sink, and the processing is easier and the structure is simpler.

附图说明 DRAWINGS

1 is a schematic cross-sectional structural view of an LED lamp of the present invention;

2 is a schematic exploded view of the LED lamp of the present invention;

Figure 3 shows the structure of the heat sink assembly together with the bracket.

具体实施方式 detailed description

The present invention will be described in detail below with reference to the embodiments and the accompanying drawings.

As shown in FIG. 1 to FIG. 3 , the present invention discloses an LED lamp comprising a bracket 1 , a light-emitting component disposed at the front end of the bracket 1 , a lamp cap assembly 2 disposed at the rear end of the bracket 1 , and a circuit board 3 disposed in the bracket 1 . And the heat dissipating component 4, the lamp cap assembly 2 is electrically connected to the light emitting component through the circuit board 3, and the light emitting component is radiated through the heat dissipating component 4, wherein the heat dissipating component 4 and the bracket 1 are detachably coupled.

The heat dissipating component 4 includes a heat dissipating plate 41 and a plurality of heat dissipating fins 42 disposed on the heat dissipating plate 41 . The plurality of heat dissipating fins 42 are inserted into the bracket 1 . The bracket 1 is a hollow bracket, and the heat dissipating fins 42 are placed at the hollow position 11 of the bracket.

By designing the heat dissipating component 4 and the bracket 1 as a detachable structure, especially a plug-in structure, the utility model changes the conventional heat-dissipating component which needs to be fixed by screws, which is convenient to disassemble and assemble, and is easy to clean. In addition, the heat dissipating fins 42 are placed in the hollow position 11 of the bracket, and can directly exchange heat with the outside, which greatly improves the heat dissipation effect.

Further, said At least one gap 43 is disposed between the plurality of heat dissipating fins 42. The bracket 1 is provided with at least one rib 12 and the gap 43 is inserted and fitted. In this embodiment, three gaps 43 are uniformly disposed between the plurality of heat dissipating fins 42 , and three ribs 12 that are inserted and fitted with the gap 43 are also disposed on the bracket 1 . During installation, the gap 43 is only required to be aligned with the rib 12, and the gap 43 is inserted into the rib 12 to mount the heat dissipating component to the bracket 1.

Said The heat dissipating plate 41 is provided with a positioning groove 44, and the bracket 1 is provided with a positioning block 13 that cooperates with the positioning groove 44. A card slot 14 for catching the circuit board 3 is disposed in the bracket 1. The circuit board 3 is provided with a card hole 31. The bracket 1 is provided with a positioning buckle 15 for clamping the card hole 31 after the circuit board 3 is inserted into the card slot 14. By using the positioning structure of the card slot 14, the circuit board 3 can be conveniently slid into the bracket 1 and is also convenient to take out, greatly improving the assembly and rework efficiency.

The light emitting assembly includes an aluminum substrate 5 and an LED chip 6 disposed on the aluminum substrate 5,

The heat dissipating component is disposed at the bottom of the aluminum substrate 5. A diffuser cover 7 is disposed on the light-emitting surface of the light-emitting assembly, and a rear end of the bracket 1 is provided with a connecting thread 16 or a bayonet structure that is coupled to the base assembly 2.

Claims

An LED lamp comprises a bracket, a light-emitting component disposed at a front end of the bracket, a lamp head assembly disposed at a rear end of the bracket, a circuit board disposed in the bracket, and a heat dissipating component, wherein the lamp head assembly is electrically connected to the light-emitting component through the circuit board, and the light-emitting component passes the heat dissipation The heat dissipation of the component is characterized in that the heat dissipation component and the bracket are detachably coupled.
The LED lamp of claim 1 , wherein the heat dissipating component comprises a heat dissipating plate and a plurality of heat dissipating fins disposed on the heat dissipating plate, and the plurality of heat dissipating fins are inserted in the bracket.
The LED lamp of claim 2, wherein the bracket is a hollow bracket, and the heat dissipating fin is placed in a hollow position of the bracket.
LED according to claim 3 The luminaire is characterized in that at least one gap is disposed between the plurality of heat dissipating fins, and at least one rib is disposed on the bracket to be interfitted with the gap.
The LED lamp of claim 4, wherein three gaps are evenly disposed between the plurality of heat dissipating fins, and three ribs are inserted and matched with the gap.
The LED lamp of claim 1 , wherein the heat dissipation plate is provided with a positioning groove, and the bracket is provided with a positioning block that cooperates with the positioning groove.
The LED lamp according to claim 1, wherein a card slot for chucking the circuit board is disposed in the bracket.
The LED lamp according to claim 7, wherein the circuit board is provided with a card hole, and the bracket is provided with a positioning buckle for clamping the card hole after the circuit board is inserted into the card slot.
LED according to claim 1 The illuminating device is characterized in that the illuminating component comprises an aluminum substrate and an LED chip disposed on the aluminum substrate, and the heat dissipating component is disposed at the bottom of the aluminum substrate.
The LED lamp of claim 1 , wherein a diffusing cover is disposed on the light emitting surface of the light emitting component, and a rear end of the bracket is provided with a connecting thread or a bayonet structure that is coupled with the lamp cap assembly.