HIGH-POWER LIGHT EMITTING DIODE (LED) STREET LAMP AND BODY FRAME THEREOF

• US 20090034257A1
• Filed: 06/06/2008
• Published: 02/05/2009
• Est. Priority Date: 07/31/2007
• Status: Abandoned Application

• Current Assignee: Ningbo Andy Optoelectronic Co., Ltd.
• Original Assignee: Xinan Street Industrial
• Inventors: Liu, Xue-yong, Lou, Hong-xian
• Application Number:
  US12/135,022
• Publication Number:
  US 20090034257A1
• Time in Patent Office: Days
• US Class Current: 362/249.160
• CPC Class Codes: F21S 2/005 of modular construction
• CPC Class Codes: F21S 8/086 with lighting device attached sideways of the standard, e.g. for roads and highways
• CPC Class Codes: F21V 19/001 the light sources being semiconductors devices, e.g. LEDs
• CPC Class Codes: F21V 29/745 the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend
• CPC Class Codes: F21V 29/75 with fins or blades having different shapes, thicknesses or spacing
• CPC Class Codes: F21V 29/763 the planes containing the fins or blades having the direction of the light emitting axis
• CPC Class Codes: F21W 2131/103 of streets or roads
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A high-power light emitting diode (LED) street lamp includes a body frame, a plurality of light emitting diode (LED) modules, and a base unit convexly positioned on the body frame along the light emission direction of the high-power light emitting diode (LED) street lamp. The light emitting diode (LED) modules have a plurality of light emitting diodes (LEDs), and at least one circuit board. The light emitting diodes (LEDs) are electrically connected to the at lease one circuit board. The base unit has a plurality of supporting surfaces which support the light emitting diode (LED) modules. The supporting surfaces are symmetrically positioned on a normal direction of an end surface of the base unit, and the light emitting diode (LED) modules are positioned on the adjacent supporting surfaces, respectively. The supporting surfaces further comprise a plurality of edge supporting surfaces positioned on the edges of the base unit. An angle formed by the light emission direction of the light emitting diodes (LEDs) on the edge supporting surfaces and the normal direction of the end surface of the base unit is in a range between 45 degrees to 60 degrees.

Claims

1. A high-power light emitting diode (LED) street lamp, comprising:

a body frame;

a plurality of light emitting diode (LED) modules having a plurality of light emitting diodes (LEDs), and at least one circuit board, wherein the light emitting diodes (LEDs) are electrically connected to the at least one circuit board; and

a base unit convexly positioned on the body frame along the light emission direction of the high-power light emitting diode (LED) street lamp, wherein the base unit has a plurality of supporting surfaces which support the light emitting diode (LED) modules, the supporting surfaces are symmetrically positioned on a normal direction of an end surface of the base unit, and the light emitting diode (LED) modules are positioned on the adjacent supporting surfaces, respectively;

wherein the supporting surfaces further comprise a plurality of edge supporting surfaces positioned on the edges of the base unit, and an angle formed by the light emission direction of the light emitting diodes (LEDs) on the edge supporting surfaces and the normal direction of the end surface of the base unit is in a range between 45 degrees to 60 degrees.

2. The high-power light emitting diode (LED) street lamp of claim 1, wherein the supporting surfaces of the base unit further comprise:

a plurality of first supporting surfaces adjacent to the normal direction of the end surface of the base unit, wherein an angle formed by the light emission direction of the light emitting diodes (LEDs) on the first supporting surfaces and the normal direction of the end surface of the base unit is in a range between 5 degrees to 15 degrees; and

3. The high-power light emitting diode (LED) street lamp of claim 2, further comprising a plurality of second supporting surfaces adjacent to the first supporting surfaces, wherein one side of the second supporting surfaces is next to the first supporting surfaces, and the other side is next to the edge supporting surfaces;

an angle formed by the light emission direction of the light emitting diodes (LEDs) on the second supporting surfaces and the normal direction of the end surface of the base unit is in a range between 35 degrees to 40 degrees.

4. The high-power light emitting diode (LED) street lamp of claim 3, wherein the angle formed by the light emission direction of the light emitting diodes (LEDs) on the edge supporting surfaces and the normal direction of the end surface of the base unit is 48 degrees;

the angle formed by the light emission direction of the light emitting diodes (LEDs) on the first supporting surfaces and the normal direction of the end surface of the base unit is 9 degrees;

the angle formed by the light emission direction of the light emitting diodes (LEDs) on the second supporting surfaces and the normal direction of the end surface center of the base unit is 36 degrees.

5. The high-power light emitting diode (LED) street lamp of claim 2, wherein the first supporting surfaces are planar shape, and the second supporting surfaces and the edge supporting surfaces are outward protruded and arc-shaped configurations.

6. The high-power light emitting diode (LED) street lamp of claim 1, wherein a spatial location relation of a whole light emitting diode (LED) structure formed by the light emitting diode (LED) modules on the base unit corresponds to a spatial location relation formed by the supporting surfaces of the base unit.

7. The high-power light emitting diode (LED) street lamp of claim 1, wherein the base unit and the body frame are integrated into one-piece by protruding the base unit from a bottom wall of the body frame upwardly, and a plurality of heat sinks are positioned on the other side of the base unit and extend from the bottom wall of the body frame to an opposite direction of the base unit which protrudes from the bottom wall of the body frame.

8. A body frame of a high-power light emitting diode (LED) street lamp, comprising a base unit convexly positioned on the body frame along the light emission direction of the high-power light emitting diode (LED) street lamp, wherein the base unit has a plurality of supporting surfaces for supporting a plurality of light emitting diode (LED) modules, the supporting surfaces are symmetrically positioned on a normal direction of an end surface of the base unit, and the light emitting diode (LED) modules are positioned on the adjacent supporting surfaces, respectively;

wherein the supporting surfaces further comprise a plurality of edge supporting surfaces positioned on the edges of the base unit, and an angle formed by the light emission of the light emitting diode (LED) modules on the edge supporting surfaces and the normal direction of the end surface of the base unit is in a range between 45 degrees to 60 degrees.

9. The body frame of the high-power light emitting diode (LED) street lamp of claim 8, wherein the supporting surfaces further comprise a plurality of first supporting surfaces adjacent to the normal direction of the end surface of the base unit, and wherein an angle formed by the light emission direction of the light emitting diode (LED) modules on the first supporting surfaces and the normal direction of the end surface of the base unit is in a range between 5 degrees to 15 degrees.

10. The body frame of the high-power light emitting diode (LED) street lamp of claim 9, further comprising a plurality of second supporting surfaces adjacent to the first supporting surfaces;

wherein one side of the second supporting surfaces is next to the first supporting surfaces, the other side is next to the edge supporting surfaces, and an angle formed by the light emission direction of the light emitting diode (LED) modules on the second supporting surfaces and the normal direction of the end surface of the base unit is in a range between 35 degrees to 40 degrees.