CN201902997U - Reflection and light distribution system for high-power LED (light-emitting diode) street lamp - Google Patents

Abstract

The utility model relates to the technical field of high-power LED (light-emitting diode) street lamps, in particular to a reflection and light distribution system for the high-power LED street lamp, which comprises an LED module support, an LED protective shade, light-reflecting shades and a light-reflecting shade support, wherein the LED module support is provided with two LED module fixing surfaces forming a fixed included angle alpha; the LED protective shade is installed on the LED module support; and the corresponding sides of the LED module fixing surfaces are respectively provided with the independent light-reflecting shades, the main light-reflecting surface of the light-reflecting shade comprises a first cambered surface and a first inclined surface, and the light-reflecting surfaces at both sides comprise second cambered surfaces and second inclined surfaces. The reflection and light distribution system has the advantages of simple structure, low cost, light weight and good heat radiating effect, and is convenient to install, and each illumination index accords with relevant national standards so that the reflection and light distribution system is beneficial to generalization and application of the high-power LED street lamp.

Description

A kind of reflecting and light distributing system of high-power LED street light

Technical field:

The utility model relates to the high-power LED street lamp technical field, refers in particular to a kind of reflecting and light distributing system of high-power LED street light.

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 energy consumption height, shortcoming that light efficiency is low has on the whole 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.

The utility model content:

The purpose of this utility model is to provide a kind of reflecting and light distributing system of novel high-power LED street lamp.

The utility model realizes that the technical scheme that its purpose adopts is: reflecting and light distributing system of high-power LED street light, this system comprises LED module support, LED guard shield, reflection shield and reflection shield support, and wherein: described LED module support is provided with two LED module stationary planes that are fixed angle a; Described LED guard shield is installed on the described LED module support; Described each LED module stationary plane respective side is installed a reflection shield independently respectively, and the main reflective surface of described reflection shield is made of first cambered surface and first inclined-plane, and the reflective surface of both sides is made of second cambered surface and second inclined-plane.

Described first cambered surface is the conic section curved surface; Second cambered surface is the bi-directional secondary curve and surface.

The scope of the angle a of described two LED module stationary planes is 50 °～56 °.

The angle a of described two LED module stationary planes is 52 °.

Described LED guard shield has respectively the plane of fitting with two LED module stationary planes of described LED module support, and 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 LED module support is axially arranged with some heat conduction tube seats.

After the utility model adopts such scheme, the light distribution effect of this reflecting and light distributing system is 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; In addition, the utility model structure is comparatively simple, and process and assemble is convenient, and cost is lower, and good heat dissipation effect can effectively promote the use of high-power module packaged LED on street lamp.

Description of drawings:

Fig. 1 is the structural representation of LED module support in the utility model LED street lamp reflecting and light distributing system;

Fig. 2 is the structural representation that the utility model is not installed reflection shield and LED guard shield;

Fig. 3 is the structural representation of the utility model LED street lamp reflecting and light distributing system;

Fig. 4 is a sectional structure schematic diagram of the present utility model.

The specific embodiment:

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

At first, shown in Fig. 2～4, the utility model reflecting and light distributing system of high-power LED street light comprisesLED module support 1,LED guard shield 2,reflection shield 3 andreflection shield support 4, whereinLED module support 1 andreflection shield support 4 are installed inLED streetlamp housing 5 inside,LED guard shield 2 is installed on theLED module support 1, and 3 of reflection shields are installed on thereflection shield support 4.

Shown in Fig. 1,4,LED module support 1 is provided with two LED modulestationary planes 11 that are fixed angle a in the utility model, and the preferred range of this angle a is 50 °～56 °, and angle a is 52 ° in the present embodiment.DescribedLED module support 1 is axially arranged with some heatconduction tube seats 12, according to the heat pipe groove shape " D " shape heat conduction tube seat and circular heat conduction tube seat is arranged, and perhaps also can be other shapes etc.; Described heatconduction tube seat 12 is to be used for installing heat pipe, and the heat that produces when by heatpipe LED module 6 being worked conduction is fast given the LED streetlamp housing, the acceleration heat radiation.

Again as shown in Figure 2,reflection shield support 4 is whole rounded in the utility model, the middle part is opened and is penetrated rectangular opening so that LED module support 1 passes, andrecess 41 is set respectively in the both sides of two LED modulestationary plane 11 correspondences ofLED module support 1reflection shield 3, tworeflection shields 3 are installed are symmetry and install to accept.

Again as shown in Figure 3, describedLED guard shield 2 has respectively theplane 21 of fitting with two LED modulestationary planes 11 of describedLED module support 1, these 21 middle parts, plane offerlight hole 22, so thatLED module 6 exposes, and the angle a of the angle on this twoplane 21 and described LED modulestationary plane 11 is suitable, describedLED guard shield 2 adopts the moulding of high reflective aluminium sheet integrated punching, withholds onLED module support 1; Describedreflection shield 3 also adopts the moulding of high reflective aluminium sheet integrated punching, is undertaken inrecess 41 places of describedreflection shield support 4, and its inner end is connected mutually with describedLED guard shield 2; The main reflective surface of thisreflection shield 3 is made of first camberedsurface 31 and first inclined-plane 32, and the reflective surface of both sides is made of second cambered surface 33 and second inclined-plane 34, and in the present embodiment, described first camberedsurface 31 is the conic section curved surface; Second cambered surface is the bi-directional secondary curve and surface.The utility model utilizes the reflection on theplane 21 ofLED guard shield 2 to cooperate with the reflection ofreflection shield 3 and forms reflecting and light distributing system, and illumination, the uniformity when such reflecting effect the best and use in its illumination range all meet national standard.

As shown in Figure 4, when the utility model was installed and used, the axial and link length direction ofLED module support 1 in vertical state.Along on the link length direction, the reflex of the luminous main reflective surface byreflection shield 3 of LED module 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; The utility model adopts the reflective surface of conic section curved surface and inclined-plane convolution, can effectively improve the uniformity of illumination; And adopt the stamping forming reflection shield reflector efficiency of high reflective aluminium sheet 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 (5)

1. reflecting and light distributing system of high-power LED street light, this system comprises LED module support (1), LED guard shield (2), reflection shield (3) and reflection shield support (4), it is characterized in that: described LED module support (1) is provided with two LED module stationary planes (11) that are fixed angle a; Described LED guard shield (2) is installed on the described LED module support (1); Described each LED module stationary plane (11) respective side is installed a reflection shield (3) independently respectively, and the main reflective surface of described reflection shield (3) is made of first cambered surface (31) and first inclined-plane (32), and the reflective surface of both sides is made of second cambered surface (33) and second inclined-plane (34).

2. a kind of reflecting and light distributing system of high-power LED street light according to claim 1 is characterized in that: described first cambered surface (31) is the conic section curved surface; Second cambered surface is the bi-directional secondary curve and surface.

3. a kind of reflecting and light distributing system of high-power LED street light according to claim 1 is characterized in that: the scope of the angle a of described two LED module stationary planes (11) is 50 °～56 °.

4. a kind of reflecting and light distributing system of high-power LED street light according to claim 3 is characterized in that: the angle a of described two LED module stationary planes (11) is 52 °.

5. a kind of reflecting and light distributing system of high-power LED street light according to claim 1, it is characterized in that: described LED guard shield (2) has respectively the plane (21) of fitting with two LED module stationary planes (11) of described LED module support (1), middle part, this plane (21) offers light hole (22), and the angle on this two plane (21) equates with the angle a of described LED module stationary plane (11).

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