CN207688012U - A kind of optical texture for car light LED reflection formula system - Google Patents

Abstract

The utility model discloses an optical structure for an LED reflective system of a car lamp. A reflective bowl, a PCB board and an LED light source are arranged in a lamp housing, an LED light source is welded and fixed under the PCB board, and a radiator is arranged on the upper side of the PCB board. , the LED light source is fixed and positioned by screws, the radiator is closely attached to the PCB board, and the connection between the LED light source and the PCB board is oiled with corresponding heat-conducting glue. A light source structure is composed of LED light source, PCB board, heat sink and heat-conducting glue. The light source structure is connected to the reflective bowl, and the light source structure is placed at an inclination relative to the front view direction of the reflective bowl, so that the light source structure is inclined relative to the direction of the reflective bowl, and the LED light source is located at the focal point of the reflective bowl; The light source, PCB board, heat sink and reflective bowl form a compact LED reflective optical structure, which is small in structure, easy to assemble, and can significantly improve the optical efficiency of the entire system.

Description

An optical structure for LED reflective system of car lights

technical field

The invention relates to an automobile headlight, in particular to an LED reflective far and near beam automobile headlight.

Background technique

With the development of modern automobiles, headlight lighting has become more and more convenient for the driver's vision. Among them, LED reflective far and near light is also more and more sought after by market customers. The reason is that the LED reflective system has a more tolerant requirement for the shape of the opening, and can be applied to the narrow and long opening shape that cannot be realized by the traditional halogen and xenon headlights. However, the existing technology often brings the efficiency of the entire optical system due to the narrow and long shape. In order to meet the requirements of laws and regulations, the number of LED chips in the optical system is forced to increase, which brings pressure on costs. Therefore, it is particularly important to solve this type of problem.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides an optical structure for the LED reflective system of car lamps, which adopts LED light sources, PCB boards, heat sinks and reflective bowls to form a compact LED reflective optical structure, and its structure is compact , easy to assemble, and can significantly improve the optical efficiency of the entire system.

In order to solve the above problems, the present invention provides an optical structure for the LED reflective system of vehicle lamps, which includes a lamp housing, a reflective bowl, a PCB board and an LED light source are arranged in the lamp housing. The LED light source is welded and fixed, and the PCB board is provided with a heat sink, and the LED light source is fixed and positioned by screws, and the heat sink is closely attached to the PCB board, and the connection between the LED light source and the PCB board is oiled The corresponding heat-conducting glue is composed of the LED light source, PCB board, heat sink and heat-conducting glue to form a light source structure, the light source structure is connected to the reflective bowl, and the light source structure is placed obliquely relative to the front view direction of the reflective bowl, The light source structure is inclined relative to the direction of the reflective bowl, and the LED light source is located at the focal point of the reflective bowl.

A further improvement is that: the optical reflective surface of the reflective bowl is a plane or a curved surface.

A further improvement is that: the reflective bowl is provided with corresponding horizontal and vertical positioning ribs to ensure that the relative position of the LED light source structure and the reflective bowl is accurate.

A further improvement is that: the base plane of the LED light source on the PCB has an inclined angle relative to the front view direction of the reflective bowl.

The beneficial effect of the present invention is: the present invention uses the optical structure of the reflective system with LED as the light source, and this optical structure realizes the improvement and optimization of the efficiency of the required optical system by arranging the PCB board, and the oblique arrangement of the PCB board, The main luminous flux of the LED light source can be emitted to the reflective bowl for reflection, thereby improving the efficiency of the optical system. At the same time, the inclined arrangement can greatly weaken the direct light emitted from the LED, reducing the stray light generated on the road. The invention can improve the optical efficiency of the traditional LED reflective system, utilize a compact optical system and achieve greater energy output, and further allow greater freedom in the design of the entire lamp.

Description of drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic diagram of the reflective bowl of the present invention.

Fig. 3 is a schematic diagram of the radiator of the present invention.

Fig. 4 is a schematic diagram of the PCB board of the present invention.

Among them: 1-lamp housing, 2-reflector bowl, 3-PCB board, 4-LED light source, 5-radiator.

Detailed ways

In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the examples, which are only used to explain the present invention, and do not constitute a limitation to the protection scope of the present invention.

As shown in Figures 1, 2, 3, and 4, this embodiment provides an optical structure for an LED reflective system of a car lamp, including a lamp housing 1 in which a reflective bowl 2, The PCB board 3 and the LED light source 4, the LED light source 4 is welded and fixed under the PCB board 3, the radiator 5 is arranged above the PCB board 3, the LED light source 4 is fixed and positioned by screws, and the radiator 5 Closely attached to the PCB board 3, the connection between the LED light source 4 and the PCB board 3 is oiled with corresponding heat-conducting glue, and a light source structure is formed by the LED light source 4, PCB board 3, heat sink 5 and heat-conducting glue. The light source structure is connected to the reflective bowl 2, and the light source structure is placed at an inclination relative to the front view direction of the reflective bowl, so that the light source structure is inclined relative to the direction of the reflective bowl, and the LED light source 4 is located in the reflective bowl 2 focus positions. The optical reflective surface of the reflective bowl 2 is a plane or a curved surface. The reflective bowl 2 is provided with corresponding horizontal and vertical positioning ribs to ensure that the relative position of the LED light source structure and the reflective bowl is accurate. The base plane of the LED light source 4 on the PCB 3 has an inclined angle relative to the front view direction of the reflective bowl. The light beam emitted by the LED light source will be reflected by the reflective bowl and then emitted to form the required light distribution.

The present invention uses the optical structure of the reflective system with LED as the light source. This optical structure can improve and optimize the efficiency of the required optical system by arranging the PCB board. The oblique arrangement of the PCB board can make the main luminous flux of the LED light source More light is emitted to the reflective bowl for reflection, thereby improving the efficiency of the optical system. At the same time, the inclined arrangement can greatly weaken the direct light emitted from the LED, reducing the resulting stray light on the road. The invention can improve the optical efficiency of the traditional LED reflective system, utilize a compact optical system and achieve greater energy output, and further allow greater freedom in the design of the entire lamp.

Claims (4)

1. a kind of optical texture for car light LED reflection formula system includes lamp housing（1）, it is characterised in that：In the lamp housing （1）In be provided with reverberation bowl（2）, pcb board（3）And LED light source（4）, the pcb board（3）It is welded with LED light source below （4）, the pcb board（3）The upper surface of be provided with radiator（5）, the LED light source（4）Positioning is fixed by screw, it is described Radiator（5）It is tightly attached to pcb board（3）On, the LED light source（4）With pcb board（3）The corresponding heat-conducting glue of junction oiling, by The LED light source（4）, pcb board（3）, radiator（5）A light-source structure, the light-source structure and reflection are constituted with heat-conducting glue Bowl（2）It is connected, the light-source structure carries out a slant setting relative to the positive apparent direction of reverberation bowl, makes this light-source structure phase For the reverberation bowl direction into line tilt, the LED light source（4）Positioned at the reverberation bowl（2）Focal position.

2. a kind of optical texture for car light LED reflection formula system as described in claim 1, it is characterised in that：It is described anti- Penetrate bowl（2）Optics reflective surface be plane or curved surface.

3. a kind of optical texture for car light LED reflection formula system as described in claim 1, it is characterised in that：It is described anti- Penetrate bowl（2）On be provided with corresponding horizontal and vertical positioning bar, the relative position to ensure LED light source structure and reverberation bowl is accurate Really.

4. a kind of optical texture for car light LED reflection formula system as described in claim 1, it is characterised in that：The PCB Plate（3）On the LED light source（4）Base plane have angle of inclination relative to the positive apparent direction of the reverberation bowl.