CN203703757U - A kind of LED flood light - Google Patents

Abstract

The utility model discloses a LED projecting lamp, including shell, installing support, LED light source structure, drive arrangement, printing opacity piece, the shell medial surface comprises first inclined plane, light source installation face, two second inclined planes, and the contained angle between first inclined plane and the light source installation face sets up to 100 degrees to 140 degrees. The LED light source structure comprises a circuit board arranged on the light source mounting surface and LED lamp beads arranged on the circuit board. First inclined plane, light source installation face, thereby the second inclined plane of both sides all sets up to the reflection surface and all inclines inwards and form the plane of reflection structure that has the spotlight effect, when the LED lamp pearl on the light source installation face is luminous, shine first inclined plane, light on the second inclined plane all can outwards shine towards central direction after through the reflection, spotlight is effectual, light is through almost all shining outwards after the reflection, light utilization rate is high, the light efficiency is high, thereby realized that a spotlight is effectual, LED projecting lamp that light utilization rate is high.

Description

A kind of LED flood light

technical field

The utility model relates to the field of floodlights, in particular to an LED floodlight. the

Background technique

With the continuous breakthrough of LED technology, especially the successful development of high-power and high-efficiency LEDs, it has become a reality to widely use LEDs in various lighting fields, such as LED floodlights, which can be used for tunnel lighting, stage lighting, and field construction lighting , Advertising lighting, exterior wall lighting, road lighting, landscape lighting and storage lighting, etc., both energy saving and lighting effects are quite ideal, LED floodlights have the effect of highlighting the illuminated objects. In the existing LED floodlights, an LED light source is generally installed at the center of the housing, and then a reflector is provided around the LED light source. With such a structure, the light of the LED light source will generally scatter outward evenly, but the light projection of this structure The light focusing effect of the lamp is average, which weakens the function of highlighting the illuminated object of the LED floodlight, and the light utilization effect is average. the

Therefore, how to realize an LED floodlight with good light concentrating effect and high light utilization rate is a technical problem to be solved urgently in the industry. the

Contents of the invention

The main purpose of the utility model is to provide an LED floodlight, aiming to realize an LED floodlight with good light-gathering effect and high light utilization rate. the

The utility model proposes an LED floodlight, which includes a housing, mounting brackets erected on both sides of the housing, an LED light source structure disposed in the housing, a driving device electrically connected to the LED light source structure, and a transparent lens disposed on the front end of the housing. The light sheet, the inner surface of the housing is composed of an inwardly inclined first inclined surface that is in an inverted trapezoidal shape, connected to a light source installation surface that is also inclined inward and in a trapezoidal shape below the first inclined surface, and connected to the side of the first inclined surface and the light source installation surface. The sides and inwardly inclined are composed of two triangular second inclined surfaces, and the included angle between the first inclined surface and the light source installation surface is set at 100 degrees to 140 degrees; the LED light source structure includes several LED light source installation surfaces. The circuit board, the LED lamp beads arranged on the circuit board; the first inclined surface, the light source installation surface, and the second inclined surface are all set as reflective surfaces. the

Preferably, a concave cavity into which the driving device can be placed is provided on the first inclined surface of the inner surface of the casing. the

Preferably, the included angle between the first inclined surface and the light source installation surface is set at 120 degrees. the

Preferably, it also includes a mounting cover capable of mounting and fixing the mounting bracket to the side of the casing. the

Preferably, several cooling ribs are arranged on the outer surface of the housing. the

Preferably, the housing is integrally formed and made of heat-conducting metal. the

The inner surface of the housing of the LED floodlight of the utility model is composed of a first inclined surface, a light source installation surface, and two second inclined surfaces, and the included angle between the first inclined surface and the light source installation surface is set at 100° to 140°. The first inclined surface, the light source installation surface, and the second inclined surfaces on both sides are all set as reflective surfaces and are all inclined inward to form a reflective surface structure with a light-gathering effect. When the LED lamp beads on the light source installation surface emit light, the light The light on the first inclined surface and the second inclined surface will be irradiated towards the center after reflection, the light concentrating effect is good, and almost all the light is irradiated outward after reflection, the light utilization rate is high, and the light efficiency is high, so as to realize A LED floodlight with good light-gathering effect and high light utilization rate has been developed. the

Description of drawings

Fig. 1 is one of the three-dimensional structural schematic diagrams of an embodiment of an LED projection lamp of the present invention;

Fig. 2 is the second schematic diagram of the three-dimensional structure of an embodiment of an LED floodlight of the present invention;

Fig. 3 is a three-dimensional structural schematic diagram of the housing of an embodiment of an LED floodlight according to the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. the

Referring to Fig. 1 to Fig. 3, an embodiment of a LED floodlight of the present invention is proposed, including a housing 100, mounting brackets 200 erected on both sides of the housing 100, an LED light source structure located in the housing 100, and LED The driving device electrically connected to the light source structure, and the light-transmitting sheet arranged on the front surface of the housing 100 . the

The inner surface of the housing 100 is composed of an inwardly inclined first inclined surface 101 in an inverted trapezoidal shape, connected to a light source installation surface 102 below the first inclined surface 101, which is also inclined inwardly and in a trapezoidal shape, and connected to the side of the first inclined surface 101 and the light source. The installation surface 102 is flanked by two second triangular inclined surfaces 103 that are inclined inwardly. The included angle between the first inclined surface 101 and the light source installation surface 102 is set at 100° to 140°. The first inclined surface 101 , the light source installation surface 102 , and the second inclined surface 103 are all configured as reflective surfaces, and the reflective surfaces are made by water plating. The LED light source structure includes several circuit boards 301 arranged on the light source installation surface 102 , and LED lamp beads 302 arranged on the circuit boards 301 . Since the first inclined surface 101, the light source installation surface 102, and the second inclined surfaces 103 on both sides are all set as reflective surfaces and are all inclined inward to form a reflective surface structure with a light-gathering effect, when the LED lamp on the light source installation surface 102 When the bead 302 emits light, the light irradiated on the first inclined surface 101 and the second inclined surface 103 will be irradiated outward toward the center after being reflected, and the light concentrating effect is good. High, high light efficiency. When the included angle is set to 120 degrees, the light gathering effect is the best and the light utilization rate is high. the

The first inclined surface 101 on the inner side of the housing 100 is provided with a concave cavity 104 into which the driving device can be placed. In this way, the driving device is arranged inside the housing 100 without being exposed to the outside, and the waterproof performance is very good. the

The LED floodlight also includes an installation cover 201 that can install and fix the installation bracket 200 on the side of the housing 100 . the

A plurality of heat dissipation ribs 105 are arranged on the outer surface of the housing 100, and the heat dissipation ribs 105 increase the contact surface with the outside air, thereby greatly improving the heat dissipation efficiency. In addition, the shell 100 is integrally formed and made of heat-conducting metal, so that the heat generated by the LED lamp bead 302 and the driving device can be quickly dissipated to the outside air through the shell 100 , the heat dissipation effect is ideal, and the service life is long. the

The inner surface of the shell 100 of the utility model LED floodlight is composed of a first inclined surface 101, a light source installation surface 102, and two second inclined surfaces 103. The angle between the first inclined surface 101 and the light source installation surface 102 is set as 100 degrees to 140 degrees. The first inclined surface 101, the light source installation surface 102, and the second inclined surfaces 103 on both sides are all set as reflective surfaces and are all inclined inward to form a reflective surface structure with a light-gathering effect. When the LED lamp beads on the light source installation surface 102 When the 302 emits light, the light irradiated on the first inclined surface 101 and the second inclined surface 103 will be irradiated outward toward the center after reflection, and the light concentrating effect is good. After the light is reflected, almost all of the light is irradiated outward, and the light utilization rate is high , high luminous efficiency, thereby realizing an LED floodlight with good light concentrating effect and high light utilization rate. the

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way. the

Claims (6)

1. An LED floodlight, comprising a housing, mounting brackets erected on both sides of the housing, an LED light source structure located in the housing, a drive device electrically connected to the LED light source structure, The light-transmitting sheet on the front end surface of the housing is characterized in that the inner surface of the housing is composed of an inwardly inclined first inclined surface that is in an inverted trapezoidal shape, and is connected to a light source that is also inclined inwardly and is in a trapezoidal shape below the first inclined surface. The mounting surface is composed of two triangular second inclined surfaces connected to the side of the first inclined surface and the side of the light source installation surface and inclined inwardly, the distance between the first inclined surface and the light source installation surface The included angle is set at 100 degrees to 140 degrees; the LED light source structure includes several circuit boards arranged on the light source installation surface, and LED lamp beads arranged on the circuit boards; the first inclined surface, the Both the light source installation surface and the second inclined surface are configured as reflective surfaces. 2 . The LED floodlight according to claim 1 , characterized in that, the first inclined surface of the inner surface of the casing is provided with a concave cavity into which the driving device can be placed. 3 . 3. The LED floodlight according to claim 1 or 2, characterized in that the angle between the first inclined surface and the light source installation surface is set at 120 degrees. 4. The LED floodlight according to claim 3, further comprising a mounting cover capable of mounting and fixing the mounting bracket to the side of the housing. 5. The LED floodlight according to claim 4, wherein a plurality of cooling ribs are arranged on the outer surface of the housing. 6 . The LED floodlight according to claim 5 , wherein the housing is integrally formed and made of heat-conducting metal. 7 .