CN201885051U

CN201885051U - Large power LED road lamp

Info

Publication number: CN201885051U
Application number: CN2010202395690U
Authority: CN
Inventors: 陈俊峰
Original assignee: MIANYANG CITY MEIZHAO ELECTRONIC CO Ltd
Current assignee: MIANYANG CITY MEIZHAO ELECTRONIC CO Ltd
Priority date: 2010-06-25
Filing date: 2010-06-25
Publication date: 2011-06-29
Anticipated expiration: 2020-06-25

Abstract

The utility model relates to a large power LED road lamp, comprising a shell assembly, a large power LED module assembly, a heat radiation assembly and a light distribution assembly, wherein the large power LED module assembly comprises a large power LED module and a LED module bracket; the LED module bracket comprises two LED module fixation surfaces in a fixed included angle a and a plurality of heat conduction pipe grooves; the heat radiation assembly comprises a heat conduction pipe and a heat pipe pressure plate, wherein one end of the heat conduction pipe is inserted into the heat conduction pipe groove of the LED module bracket and another end is fixed on the shell of the shell assembly by the heat pipe pressure plate; the light distribution assembly comprises a LED protection cage, a reflection cage and a reflection cage bracket, the main reflection surface of the reflection cage is composed of a quadratic curve surface and a first inclined surface and the reflection surfaces at the two sides are composed of a bidirectional quadratic curve surface and a second inclined surface. The large power LED road lamp has features of simple structure, convenient installation, low cost, light weight and good heat radiation effect and various lighting indexes correspond with the nation correlation criterions.

Description

A kind of high-power LED street lamp

Technical field:

The utility model relates to the high-power LED street lamp technical field, refers in particular to a kind of novel large-power LED street lamp.

Background technology:

Street lamp is the important component part of city illumination, traditional street lamp often adopts high-pressure mercury lamp, high-pressure mercury lamp on the whole the energy consumption height,, shortcoming that light efficiency is low caused the huge waste of the energy, therefore become under the background of worldwide understanding in energy-saving and emission-reduction, the LED street lamp replacement conventional road lamp with high light efficiency, low power consumption and other advantages is a kind of imperative trend.

Though existing high-power LED street lamp development rapidly, kind is also more.In the existing LED street lamp, LED module support mostly is a planar shaped, several LED modules promptly are installed on same planar shaped support, and the secondary optical lens module is set respectively on each LED module, the LED module is luminous to carry out orientation by optical lens, controls the light angle and the illumination zone of LED street lamp with this.The manufacturing cost of this type of high-power LED street lamp is higher, technology is complicated, and optical lens also has certain loss to light.

In addition, the operating temperature of LED is very big to its influence in service life, and therefore for great power LED, the quality of radiating effect directly influences its service life.The great power LED module normally is installed on the LED module support, so its heat radiation also mainly realizes by LED module support.The pattern of LED module support is varied, and for strengthening its radiating effect, general way is radiating fin as much as possible to be set to increase its area of dissipation as far as possible on LED module support.This mode can satisfy the radiating requirements of great power LED module to a certain extent, but still has the space that can promote.

The utility model content:

The purpose of this utility model is to provide a kind of novel large-power LED street lamp.

The utility model realizes that the technical scheme that its purpose adopts is: high-power LED street lamp, comprise housing unit, great power LED die set, radiating subassembly and luminous intensity distribution assembly, wherein:

Described great power LED die set comprises great power LED module and LED module support, and wherein said LED module support has two LED module stationary planes that are fixed angle a, and along some the heat conduction tube seats that are axially arranged with of described LED module support;

Described radiating subassembly comprises heat pipe, heat pipe pressing plate, and an end of wherein said heat pipe is inserted in the heat conduction tube seat of described LED module support, and the other end is fixed on the housing of described housing unit by described heat pipe pressing plate;

Described luminous intensity distribution assembly comprises LED guard shield, reflection shield and reflection shield support, and the main reflective surface of described reflection shield is made of the conic section curved surface and first inclined-plane, and the both sides reflective surface is made of the bi-directional secondary curve and surface and second inclined-plane.

Be provided with several arc grooves in the inside of described housing, described arc groove is fixed in by a heat pipe pressing plate in the end of described heat pipe.

Described heat conduction tube seat comprises " D " shape heat conduction tube seat offered along the LED module stationary plane of described LED module support and the circular heat conduction tube seat that runs through described LED module internal stent.

The preferred range of the angle α of described two LED module stationary planes is 50 °～56 °.

Described LED guard shield spiral-lock is in described LED module support outside, it has respectively the plane of fitting with two LED module stationary planes of described LED module support, this in-plane offers light hole, and the angle on this two plane equates with the angle a of described LED module stationary plane.

Described housing unit comprises housing and transmissive mirror, and described housing is provided with the power supply lid, and described transmissive mirror inboard has the grid line.

After the utility model adopts said structure, utilize the light distribution effect of reflecting and light distributing system of LED guard shield and reflection shield combination good, the reflector efficiency height, most of light beyond the direction of light source directive road surface can be reflexed to the effective range on road surface, not only improve the utilization rate of light effectively, and illumination, the uniformity in the illumination range meet relevant national standard fully; And radiating effect aspect, the heating of LED module can be dispelled the heat by LED module support and radiating fin thereof, also can utilize the conduction of heat pipe directly or by LED module support to conduct to lamp housing indirectly, further strengthen radiating effect thereby further increase area of dissipation by lamp housing.

Description of drawings:

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is an internal structure schematic diagram of the present utility model;

Fig. 3 is the structural representation that the utility model is not installed transmissive mirror;

Fig. 4 is the structural representation of LED die set of the present utility model;

Fig. 5 is a cutaway view of the present utility model.

The specific embodiment:

Below in conjunction with specific embodiments and the drawings the utility model is further specified.

Shown in Fig. 1～2, high-power LED street lamp described in the utility model comprises housing unit 1, great power LED die set 2, radiating subassembly 3 and luminous intensity distribution assembly 4, wherein:

Described housing unit 1 comprises housing 11 and printing opacity cover body 12, and housing 11 inboards are provided with and are used for the installation component that is connected with outside lamp stand etc., and its outside is provided with power supply lid 112, safeguards power supply so that open at any time; Housing 11 outsides also are provided with radiating fin, to increase area of dissipation; Described printing opacity cover body 12 adopts safety glass or optical grade PC (Merlon) material to make, and its inner surface has the grid line, can make illumination more even.

In conjunction with shown in Figure 4, described great power LED die set 2 comprises great power LED module 21 and LED module support 22, wherein said LED module support 22 has two LED module stationary planes 221 that are fixed angle a, and the preferred range of described angle α is 50 °～56 °; And some the heat conduction tube seats 220 that are axially arranged with along described LED module support 22; Be used for installing radiating subassembly 3, described radiating subassembly 3 comprises heat pipe 31, heat pipe pressing plate 32, one end of wherein said heat pipe 31 is inserted in the heat conduction tube seat 220 of described LED module support 22, the inside that the other end is fixed in described housing 11 by described heat pipe pressing plate 32 is provided with in the arc groove 111, by the pressing and fixing of arc groove 111 with arc heat pipe pressing plate 32, heat pipe 31 is fully contacted with the inside of housing 11, increase effective heat-conducting area, accelerate heat radiation.

Furthermore, described heat conduction tube seat 220 comprises " D " shape heat conduction tube seat 2201 offered along the LED module stationary plane 221 of described LED module support 22 and the circular heat conduction tube seat 2202 that runs through described LED module support 22 inside.Corresponding " D " shape heat pipes of installing of " D " shape heat conduction tube seat 2201 directly contact the place, plane of " D " shape heat pipe with LED module 21, the heating of LED module 21 is directly conducted to housing 11 by this heat pipe dispel the heat; The circular arc portion of " D " shape heat pipe contacts with LED module support 22 and conducts its heat and dispels the heat for housing 11 simultaneously; The circular heat conduction tube seat 2202 that runs through described LED module support 22 inside is then corresponding installs circular heat pipe, the heat of LED module support 22 is conducted to housing 11 dispel the heat.

Again in conjunction with Fig. 2～shown in Figure 5, outside spiral-lock one LED guard shield 41 at described LED module support 22, this LED guard shield 41 adopts high reflective aluminium sheet manufacturing, it has respectively the plane 411 of fitting with two LED module stationary planes 221 of described LED module support 22, these 411 middle parts, plane offer light hole 412, and the angle on this two plane 411 equates with the angle a of described LED module stationary plane 221; And in the periphery of described LED module support 22, also be provided with reflection shield support 42, two reflection shields 43 are installed on this reflection shield support 42 symmetrically, respectively corresponding two LED modules 21, the main reflective surface of described reflection shield 43 is made of the conic section curved surface 431 and first inclined-plane 432, and the both sides reflective surface is made of the bi-directional secondary curve and surface 433 and second inclined-plane 434.

When the utility model was installed and used, the axial and link length direction of the LED module support 22 of LED street lamp in vertical state.The utility model utilizes the reflection on the plane 411 of LED guard shield 41 to cooperate with the reflection of reflection shield 42 and forms reflecting and light distributing system, along on the link length direction, the reflex of the luminous main reflective surface by reflection shield 42 of LED module 21 is with in the extraneous light reflected back of the directive effective lighting effective lighting scope; And, then pass through the reflection of side reflective surface with in the extraneous light reflected back of the directive effective lighting effective lighting scope along on the road width direction; Adopt the reflective surface of conic section curved surface and inclined-plane convolution, can effectively improve the uniformity of illumination; And adopt the stamping forming LED guard shield 41 of high reflective aluminium sheet, reflection shield 42 reflector efficiency height, the consumption of light is little, can improve the brightness of illumination, therefore can make the illumination and the uniformity in the illumination range all meet relevant national standard.

In sum, the utility model is simple in structure, and is easy for installation, and cost is low, light weight, and good heat dissipation effect, and also every illumination index all meets relevant national standard, helps applying of high-power LED street lamp.

Claims

1. a high-power LED street lamp comprises housing unit (1), great power LED die set (2), radiating subassembly (3) and luminous intensity distribution assembly (4), it is characterized in that:

Described great power LED die set (2) comprises great power LED module (21) and LED module support (22), wherein said LED module support (22) has two LED module stationary planes (221) that are fixed angle a, and is axially arranged with some heat conduction tube seats (220) along described LED module support (22);

Described radiating subassembly (3) comprises heat pipe (31), heat pipe pressing plate (32), one end of wherein said heat pipe (31) is inserted in the heat conduction tube seat (220) of described LED module support (22), and the other end is fixed on the housing (11) of described housing unit (1) by described heat pipe pressing plate (22);

Described luminous intensity distribution assembly (4) comprises LED guard shield (41), reflection shield (42) and reflection shield support (43), the main reflective surface of described reflection shield (43) is made of conic section curved surface (431) and first inclined-plane (432), and the both sides reflective surface is made of bi-directional secondary curve and surface (433) and second inclined-plane (434).

2. a kind of high-power LED street lamp according to claim 1, it is characterized in that: be provided with several arc grooves (111) in the inside of described housing (11), described arc groove (111) is fixed in by a heat pipe pressing plate (32) in the end of described heat pipe (31).

3. a kind of high-power LED street lamp according to claim 1 is characterized in that: described heat conduction tube seat (220) comprises " D " shape heat conduction tube seat (2201) of offering along the LED module stationary plane (221) of described LED module support (22) and runs through the inner circular heat conduction tube seat (2202) of described LED module support (22).

4. a kind of high-power LED street lamp according to claim 1 is characterized in that: the preferred range of the angle α of described two LED module stationary planes (221) is 50 °～56 °.

5. a kind of high-power LED street lamp according to claim 1, it is characterized in that: described LED guard shield (41) spiral-lock is in described LED module support (22) outside, it has respectively the plane (411) of fitting with two LED module stationary planes (221) of described LED module support (22), middle part, this plane (411) offers light hole (412), and the angle on this two plane (411) equates with the angle a of described LED module stationary plane (221).

6. a kind of high-power LED street lamp according to claim 1 is characterized in that: described housing unit (1) comprises housing (11) and transmissive mirror (12), and described housing (11) is provided with power supply lid (111), and described transmissive mirror (12) inboard has the grid line.