CN101463982A - LED lamps - Google Patents

Abstract

A light-emitting diode lamp, comprising a lamp stand, a heat sink installed on one side of the light stand, and several light-emitting diode modules attached to the heat sink, wherein the heat sink has a The two inner concave surfaces are inclined and set away from each other. Compared with the prior art, the two inner concave surfaces of the light emitting diode lamp of the present invention face away from each other and are arranged obliquely, and the light emitting diode module is attached to the two inner concave surfaces, so the light emitted by the light emitting diode module can radiate to the periphery of the radiator and make the Light-emitting diode lamps have a wider range of illumination.

Description

LED lamps

technical field

The invention relates to a lighting device, in particular to a light emitting diode lamp.

Background technique

As a high-efficiency light source, light-emitting diodes have many characteristics such as environmental protection, power saving, and long life, and have been widely used in various fields.

A traditional LED lamp includes a flat radiator and several LED modules installed on one side of the radiator. When the light-emitting diode is turned on, the light-emitting diode module installed on one side of the radiator plays a lighting role. Since the light-emitting diode is only installed on one side of the heat sink, the light emitted by it can only radiate outward from this side of the heat sink, so the irradiation range is limited and the lighting effect is not good.

Contents of the invention

In view of this, it is necessary to provide a light-emitting diode lamp with a large irradiating range.

A light-emitting diode lamp, comprising a lamp stand, a heat sink installed on one side of the light stand, and several light-emitting diode modules attached to the heat sink, wherein the heat sink has a The two inner concave surfaces are inclined and set away from each other.

Compared with the prior art, the two inner concave surfaces of the light emitting diode lamp of the present invention face away from each other and are arranged obliquely, and the light emitting diode module is attached to the two inner concave surfaces, so the light emitted by the light emitting diode module can radiate to the periphery of the radiator and make the Light-emitting diode lamps have a wider range of illumination.

The present invention will be further described below in conjunction with specific embodiments with reference to the accompanying drawings.

Description of drawings

Fig. 1 is a three-dimensional assembly view of the LED lamp of the present invention.

Fig. 2 is an upside-down view of the light-emitting diode lamp in Fig. 1 .

Fig. 3 is a three-dimensional exploded view of the LED lamp in Fig. 1 .

Fig. 4 is a three-dimensional exploded view of the LED lamp in Fig. 2 .

FIG. 5 is an enlarged view of a heat sink in FIG. 4 .

Detailed ways

As shown in Figures 1 and 2, the light-emitting diode lamp of the present invention is roughly in the shape of an open book, including a lamp holder, two radiators 20 installed on one side of the lamp holder, and two transparent radiators 20 installed on the other side of the lamp holder. The lamp cover 40 and several LED modules 30 attached to the radiator 20 .

Please refer to FIG. 3 and FIG. 4 at the same time. The light stand includes two fixing frames 10 arranged side by side and a housing 11 located at one side of the fixing frames 10 . Each fixing frame 10 is roughly rectangular and consists of two pairs of side plates 12 , 13 vertically connected end to end. The side plate 13 is a vertical straight body and is longer than the side plate 12 . Each side plate 12 is arc-shaped. Two adjacent side plates 13 of the two fixing frames 10 are parallel and connected to each other so that the two fixing frames 10 form a whole. The two side plates 12 of each fixing frame 10 bend upwards and outwards relative to the side plates 13 connected to each other so that the two fixing frames 10 jointly form an open book-shaped symmetrical structure. Each radiator 20 and a lamp cover 40 cooperate with a fixing frame 10 to enclose a receiving cavity 110 . The LED module 30 is accommodated in the accommodation cavity 110 . The casing 11 is located at one side of the receiving cavity 110 of the two fixing frames 10 , and a driving circuit module (not shown) is accommodated in the casing 11 for electrical connection with the secondary light-emitting module 30 . A lamp socket 15 is provided in the middle of the outer end of the housing 11 for connecting with a lamp pole (not shown in the figure).

Please also refer to FIG. 5 , each radiator 20 is integrally made of a material with good thermal conductivity. The heat sink 20 includes an arc-shaped base plate 21 and an elongated mounting plate 25 extending from one side of the base plate 21 . The base plate 21 and the mounting plate 25 are provided with a plurality of mounting holes (not shown). Several screws (not marked) pass through the mounting holes of the mounting plate 25 and cooperate with the side plates 13 connecting the two fixing frames 10 to fix the mounting plate 25 on the fixing frame 10 . Several screws (not shown) pass through the installation holes on the base plate 21 and cooperate with the side plates 12 , 13 to fix the radiator 20 on the fixing frame 10 . In this way, the two radiators 20 jointly form an open book-shaped symmetrical structure, and the base plate 21 of each radiator 20 constitutes a wing of the opened book-shaped symmetrical structure. Extend outward.

Each substrate 21 has an arc-shaped convex surface (not shown in the figure) and an arc-shaped inner concave surface 211 opposite to the convex surface. An angle between a tangent at any position of the convex surface and the upper surface of the mounting portion 25 is an acute angle. The inner concave surface 211 is connected by generatrices (not shown) uniformly distributed along an axis (not shown). The generatrices of the inner concave surface 211 are parallel to each other. The middle part of the inner concave surface 211 is evenly divided into four vertical strip-shaped areas, and each strip-shaped area is configured as a plane 2113 for attaching the LED module 30 thereon. Each plane 2113 forms an acute angle with the lower surface of the mounting plate 25, and these acute angles gradually decrease outward along the lateral direction of the substrate 21, so that the light emitted by the LED module 30 attached to the plane 2113 can be better directed to The radiator 20 radiates from both sides. A plurality of cooling fins 23 vertically extend upward from the convex surface of the base plate 21 and the upper surface of the mounting plate 25 and are arranged at regular intervals along the longitudinal direction of the base plate 21 . The heat sink 23 defines a plurality of ventilation slots (not shown) along the transverse direction of the substrate 21 .

Please refer to FIG. 4 again, each LED module 30 includes a long and rectangular circuit board 30 and a plurality of LEDs 34 evenly fixed on one side of the circuit board 32 . The other side surfaces of the circuit boards 32 are attached to the plane 2113 of the substrate 21 of the heat sink 20 . These LEDs 34 are located on the same straight line extending along the length of the circuit board 32 , so as to conduct their heat evenly to the heat sink 20 .

Each of the lampshades 40 is a bent transparent sheet, which includes a lengthwise light-transmitting portion 41 and two installation portions 43 located on two sides of the light-transmitting portion 41 . A number of mounting holes (not marked) are provided around each lampshade 40 . Several screws (not shown) pass through the mounting holes of the lampshade 40 and cooperate with the side plates 12 , 13 of each fixing frame 10 to install the lampshade 40 on the fixing frame 10 .

When in use, the light emitting diode 34 is energized to generate light to play a lighting role; at the same time, the heat generated by the light emitting diode 34 is absorbed by the substrate 21 of the heat sink 20 and then conducted to the heat sink 23 on one side thereof, thereby dissipating heat to the outside environment to go.

In the present invention, the two heat sinks 20 are in the shape of a symmetrical open book, and the substrates 21 of the two heat sinks 20 face away from each other and face outward, so the light emitted by the LED module 30 is distributed to both sides of the two heat sinks 20 . And because the middle part of the concave surface 211 of the substrate 21 of each heat sink 20 is provided with four continuous outwardly disposed planes 2113 , the light emitted by the LED module 30 can reach a larger range than the traditional LED lamps.

It can be understood that the second radiator 20 in the present invention can be integrally formed, so that the second radiator 20 becomes a new radiator.

Claims (11)

1. led lamp, comprise a lamp bracket, be installed on a radiator of lamp bracket one side and be attached at some light emitting diode module on the described radiator, it is characterized in that: described radiator has two inner concaves that are sticked for light emitting diode module, and described two inner concaves tilt and are provided with dorsad.

2. led lamp as claimed in claim 1 is characterized in that: described each inner concave is an arc column face.

3. led lamp as claimed in claim 2 is characterized in that: the bus of described arc column face is parallel to each other.

4. led lamp as claimed in claim 3, it is characterized in that: described radiator comprises tilting two alar parts of extension and curved setting, each alar part has a described inner concave and a convex surface relative with described inner concave, and some fin extend and vertically uniformly-spaced being provided with along alar part from the convex surface of each alar part.

5. led lamp as claimed in claim 4, it is characterized in that: the inner concave middle part of described each alar part is horizontally arranged with the bar-shaped zone of plurality of continuous, each bar-shaped zone is a lengthwise plane, adjacent two lengthwise planes connect at a certain angle, and described light emitting diode module is attached on the described lengthwise plane.

6. led lamp as claimed in claim 5 is characterized in that: described radiator further comprises an installation portion, and each lengthwise interplanar of described installation portion and each inner concave forms an acute angle, and these acute angles laterally outwards successively decrease gradually along alar part.

7. led lamp as claimed in claim 6 is characterized in that: further comprise a fixed mount that carries described radiator, described fixed mount is connected to form by two frameworks.

8. led lamp as claimed in claim 7 is characterized in that: described two fixed mounts and described radiator all are the books shape of opening.

9. led lamp as claimed in claim 7 is characterized in that: described radiator disconnects in the fixed mount junction to form two radiating pieces about fixed mount junction symmetry.

10. led lamp as claimed in claim 9 is characterized in that: described each radiating piece has a substrate, and substrate one surface is described inner concave, and another surface is described convex surface.

11. led lamp as claimed in claim 1 is characterized in that: also comprise the light cover that is installed on the lamp bracket another side, described radiator, light cover and fixed mount cooperate and surround host cavity, and described light emitting diode module is contained in the host cavity.

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