CN105202436A - Headlight structure with far and near lights - Google Patents

Abstract

The present invention provides a headlamp structure with high and low beam lights, which is composed of a body, a circuit board, a lens and a heat sink. A plurality of heat sink fins are arranged on the outer peripheral surface of the fixing seat of the body. The circuit board is arranged on the fixing seat of the body. At least two LED lamps are arranged on the circuit board. The lens is arranged on the fixing seat of the body. The circuit board is arranged in a recessed chamber of the lens. A high beam light transmission area and a low beam light transmission area are arranged on the lens. The at least two LED lamps on the circuit board correspond to the positions of the high beam light transmission area and the low beam light transmission area of the lens respectively. The heat sink is arranged on the connecting part of the body. A plurality of heat sink fins are arranged on the outer peripheral surface of the heat sink. In this way, by means of the at least two LED lamps on the circuit board, light sources are projected onto the high beam light transmission area or the low beam light transmission area on the lens respectively, and the light sources are scattered forward to the desired lighting angle and range, and a light-dark cut-off line is generated, so as to achieve the best switching and lighting effect of the high beam and the low beam.

Description

Headlight structure with far and near lights

technical field

The invention relates to a headlight structure with far and near lights. At least two LED lights are used to cooperate with the light transmission area of the far light and the light transmission area of the near light on the lens to scatter forward to the angle and range of the desired lighting, and generate light and shade. The cut-off line can achieve the best switching and lighting effect between far light and low light.

Background technique

Press, when general vehicle is driving, in response to different road conditions and sight line requirements, its headlight can be used as the switch of far light and near light. The headlight 1 of general vehicle, please refer to Fig. 1, as shown in Fig. 2, there is a Lampshade 10, a housing chamber 100 is arranged inside the lampshade 10, the wall surface of the housing chamber 100 is set as an arc-shaped reflective surface 101, and a luminous body 11 is arranged in the housing chamber 100, and the luminous body 11 is a tungsten filament bulb or a xenon lamp Tube, the front of the lampshade 10 is provided with a partition 12, the partition 12 is provided with a light-transmitting hole 120, the front of the partition 12 is provided with a connecting seat 13, and the connecting seat 13 is provided with a light-shielding component 14, the light-shielding Component 14 is provided with solenoid valve 140 and light-shielding plate 141, and the front of this connection seat 13 is provided with a light-transmitting cover 15, and this light-transmitting cover 15 is fixed on the connection seat 13 by means of a fixed frame 16, so, by virtue of the illuminant 11 To emit light, the light source 17 is reflected by the reflective surface 101 in the chamber 100 of the lampshade 10 and then projected outward by the translucent cover 15, and the range and angle of the light source 17 are controlled by the setting of the shading assembly 14 to form a low beam. Light and high beam switch, however, the light source 17 of existing car headlight 1 is projected outward after being reflected by the reflective surface 101 in the lampshade 10, and the illuminated light rays projected are very scattered and cannot be evenly illuminated, and The brightness is small, and the illuminant 11 of the tungsten filament bulb or the xenon lamp tube of the existing headlight 1 is arranged in the chamber 100 of the lampshade 10, and there is no heat dissipation structure design in the lampshade 10 or on the lamp holder, so the illuminant 11. The high temperature generated when emitting light cannot dissipate heat, so it will cause high temperature in the lampshade 10, the bulb is easy to burn and damage, and it is easy to affect the service life of the headlight 1, and the existing headlight 1 must be additionally provided with a shading assembly 14 to control the headlight 1 The angle and range of the projected light, so the manufacturing cost of general vehicle far and near lights is high and the volume is large.

And there is another kind of headlight with LED light as the luminous body. Although its brightness is high, the projected light scatters everywhere, which is extremely dazzling. In some LED headlights, the light source scatters around and cannot be concentrated, which easily leads to inconspicuous switching between the far light and the near light, and cannot achieve the effect of effective switching between the far light and the near light.

Contents of the invention

The object of the present invention can effectively solve the problem of scattered light pattern, small brightness, uneven light and easy glare produced by the light source existing in the far and near light switching structure of the existing headlight, and the lampshade is not easy to dissipate heat and easily generate high temperature. .

The present invention has the headlight structure of far and near lights, including:

A body, one end of the body is provided with a fixing seat, the fixing seat is provided with a screw hole, and the other end of the body is provided with a connecting part;

The circuit board is arranged on the fixing seat of the body, and at least two LED lamps are arranged on the circuit board, and perforations are arranged on the screw holes on the circuit board corresponding to the screw holes of the fixing seat, and the holes on the circuit board pass through A screw is provided, and the screw is screwed into the screw hole on the fixing seat of the body;

The lens is arranged on the fixed seat of the body, and an alcove is arranged in the lens, and the circuit board is arranged in the alcove of the lens, and the light transmission area of the far light and the light transmission area of the near light are arranged on the lens, and the circuit board The at least two LED lights on the lens respectively correspond to the positions of the light transmission area of the far light and the light transmission area of the near light of the lens;

The heat dissipation seat is arranged on the connection part of the body, and several pieces of heat dissipation fins are arranged on the outer peripheral surface of the heat dissipation seat.

The present invention has a headlight structure of far and near lights, wherein, the outer peripheral surface of the fixing seat is provided with several pieces of cooling fins for dissipating the high temperature generated by the LED lights on the circuit board.

The present invention has the headlight structure of far and near lights, wherein, the outer surface of the far light transmission area of the lens is provided with a concave surface, and the inner side of the far light transmission area is convexly provided with a conical convex body, and the conical convex A groove is provided in the body, and one of the LED lamps on the circuit board is located in the groove. The outer surface of the near-light light-transmitting area is set as an arc convex surface, and the inner surface of the near-light light-transmitting area is set as a plane.

The present invention has the headlight structure of far and near lights, wherein, the circuit board is provided with several positioning embedding holes, and the alcove of the lens is provided with several positioning protrusions, and the end of the positioning protrusions is provided with a positioning inlay. The inlay is embedded in the positioning embedding hole of the circuit board for positioning the lens on the circuit board.

The present invention has a headlight structure of far and near lights, wherein, the outer peripheral surface of the connection part of the body is provided with external threads, and a perforation for the connection part is provided in the heat dissipation seat, and an internal thread is provided on the inner wall of the perforation. The internal thread is screwed with the external thread of the connecting part, and the heat dissipation seat is fixed on the body, and the high temperature generated by the LED lamp on the circuit board can be dissipated by means of the heat dissipation seat.

The present invention has a headlight structure of far and near lights, wherein, the heat sink is provided with several positioning through grooves, and the heat sink can be fixed on the lamp socket of the vehicle by means of fixing elements.

The present invention has the headlight structure of far and near lights, and its advantages are: the light source of the LED lamp is directly projected by the lens, and the angle and range of the light source projection can be controlled without setting a reflective surface and a light-shielding component in the lampshade, and a cut-off line of light and shade is generated. And the projected light is extremely uniform, and has excellent heat dissipation effect, there will be no concerns about high temperature, it can prolong the service life of the headlights, and it will not produce glare. line, which can achieve the best switching effect between far light and low light.

Description of drawings

FIG. 1 is a schematic diagram of the near light projection of the existing headlight;

Figure 2 is a schematic diagram of the projection of the far light of the existing headlight;

Figure 3 is a three-dimensional exploded view of an embodiment of the present invention;

Figure 4 is a perspective view of another angle of the lens of the embodiment of the present invention;

Figure 5 is a three-dimensional combined view of an embodiment of the present invention;

Figure 6 is a combined sectional view of an embodiment of the present invention;

Fig. 7 is a schematic diagram of the illumination of the far light according to the embodiment of the present invention;

Fig. 8 is a schematic diagram of the light pattern when the far light is irradiated according to the embodiment of the present invention;

Fig. 9 is a schematic diagram of near light irradiation according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of the light pattern of the embodiment of the present invention when the headlight is illuminated.

Explanation of reference signs: 1 headlight; 10 lampshade; 100 chamber; 101 reflective surface; 11 illuminant; Light transmission cover; 16 fixed frame; 17 light source; 2 body; 20 fixed seat; 21 screw hole; Embedded hole; 34 screw; 4 lens; 40 alcove; 41 positioning convex column; 42 positioning inlay; 43 far light transmission area; 430 concave surface; 44 near light transmission area; 440 arc convex surface; 441 plane; 45 cone Convex body; 46 grooves; 460 arc convex surface; 461 arc surface; 5 cooling seat; 50 perforation; 51 internal thread; 52 cooling fins;

Detailed ways

Relevant present invention is for reaching above-mentioned purpose of use and effect, the technical means that adopts, presents preferred feasible embodiment hereby, and cooperates as shown in the drawing, is described in detail as follows:

The embodiment of the present invention, please refer to Fig. 3, shown in Fig. 4, mainly be provided with a main body 2, one end of this main body 2 is provided with a fixing base 20, and this fixing base 20 is provided with at least two screw holes 21, and this fixing base The outer peripheral surface of 20 is provided with several pieces of cooling fins 22, and the other end of this body 2 is provided with a connecting portion 23, and the outer wall surface of this connecting portion 23 is provided with external thread 24; On the seat 20, the circuit board 3 is provided with at least two LED lamps 30, 31, the circuit board 3 is provided with a perforation 32 corresponding to the screw hole 21 of the fixing seat 20, and the circuit board 3 is provided with several Positioning embedding hole 33, screw 34 is perforated in the perforation 32 on this circuit board 3; A lens 4 is arranged on the fixed seat 20 of this body 2, and an alcove 40 is arranged in this lens 4, and this circuit board 3 is positioned at In the alcove 40 of the lens 4, several positioning protrusions 41 are arranged in the alcove 40, and a positioning inlay 42 is provided at the end of the positioning protrusion 41, and the positioning inlay 42 is embedded in the circuit board 3. In the positioning embedding hole 33, the outer wall of the lens 4 is provided with a far light transmission area 43 and a near light transmission area 44, the outer surface of the far light transmission area 43 is provided with a concave surface 430, and the far light transmission The inner side of the light zone 43 is convexly provided with a conical convex body 45 toward the alcove 40, and a groove 46 is provided in the conical convex body 45, and the inner surface of the groove 46 is set as an arc convex surface 460, and The peripheral surface is set as an arc curved surface 461, the outer surface of the light-transmitting area 44 near the lamp is set as an arc convex surface 440, and the inner surface is set as a plane 441; 5 is provided with a perforation 50 for the connection part 23 to be set in, the wall surface of the perforation 50 is provided with an internal thread 51, and several pieces of heat dissipation fins 52 are provided on the outer peripheral surface of the heat dissipation seat 5, and several positioning fins 52 are provided on the heat dissipation seat 5. Through the groove 53, so, it is a headlight structure with far and near lights.

When assembling, please refer to Fig. 3 to Fig. 6, first set the circuit board 3 on the fixing seat 20 of the body 2, and then pass through the through hole 32 on the circuit board 3 by means of the screw 34, and then screw it on the body 2 In the screw hole 21 on the fixing seat 20, the circuit board 3 is fixed on the fixing seat 20, and then the lens 4 is arranged on the fixing seat 20 of the body 2, so that the circuit board 3 is set in the alcove 40 of the lens 4 , and the positioning boss 41 in the alcove 40 of the lens 4 is aligned with the positioning embedding hole 33 on the circuit board 3, and the positioning inlay 42 at the end of the positioning boss 41 is embedded into the positioning embedding on the circuit board 3. In the hole 33, the lens 4 is firmly fixed on the body 2, and one of the LED lights 30 on the circuit board 3 is aligned with the far light transmission area 43 of the lens 4 and is set in the groove 46 of the conical convex body 45 inside, while the other LED lamp 31 is aligned with the light-transmitting area 44 of the near lamp of the lens 4, and then the connection part 23 of the body 2 is set in the perforation 50 of the heat sink 5, so that the external thread 24 on the connection part 23 It is screwed with the internal thread 51 in the through hole 50 of the heat sink 5, and then the body 2 is assembled in the lampshade 6, so that the overall assembly can be completed.

During use, please refer to Fig. 7～shown in Fig. 10, when intending to use the far light, two LED lamps 30,31 on the circuit board 3 all light up, but the LED lamp 31 corresponding to near light translucent area 44 positions The luminous power is halved, and the light source projected by the two LED lamps 30, 31 is directly scattered forward through the far light transmission area 43 and the near light transmission area 44 of the lens 4, and the light source is transmitted according to the light transmission of the far light of the lens 4. The different curvatures on the surface of the area 43 and the near light translucent area 44 are used to control the angle and range of its light scattering. When the far light is turned on, the range of its light source projection is wider and farther (as shown in Figure 7, Figure 8 and when the near light is intended to be used, the LED lamp 31 corresponding to the light transmission area 44 of the near light on the circuit board 3 is turned on, but the LED light 30 corresponding to the light transmission area 43 of the far light is then extinguished. The LED light 31 light source that lights up is then directly projected forward by the low beam light transmission area 44, and when the low beam is turned on, its projection range is smaller and closer (as shown in Figures 9 and 10); The curvature of the light transmission area 43 of the far light and the light transmission area 44 of the near light of the lens 4 needs to be designed to achieve the angle and scope of the projected light, so the lampshade 6 of the present invention does not need to be provided with a shading assembly and a convex lens. And by means of at least two LED lamps 30, 31 set on the circuit board 3 and the curvature changes of the far light transmission area 43 and the near light transmission area 44 on the lens 4, the angle and range of light source projection can be controlled, and The light-dark cut-off line is generated, which can achieve the switching effect of the far light and the near light, and can save the cost of setting the shading components, and the projected light is extremely uniform, which can achieve the best lighting effect, and the projected light will not There is glare, which can achieve the best safety in use. In addition, the body 2 used to fix the circuit board 3 is provided with several heat dissipation fins 22 and a heat dissipation seat 5 is provided at the rear of the body 2. By virtue of the body 2 and the heat dissipation seat The cooling fins 22,52 on the 5 can dissipate the high temperature produced by the LED lamps 30,31 on the circuit board 3 quickly, so that the headlights will not have the concern of producing high temperatures, and the service life of the headlights can be increased.

The above description is only illustrative of the present invention, rather than restrictive. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims, but All will fall within the protection scope of the present invention.

Claims (6)

1. there is a headlight structure for far and near lamp, it is characterized in that, include:

Body, one end of this body is provided with holder, and this holder is provided with screw, and the other end of this body is provided with connecting portion;

Circuit board, be located on the holder of this body, this circuit board is provided with at least two LED, and the screwhole position this circuit board corresponding to this holder is provided with perforation, be equipped with screw in perforation on this circuit board, this screw spiral shell is located in the screw on the holder of this body;

Lens, be located on the holder of this body, an alcove is provided with in these lens, this circuit board is located in the alcove of these lens, these lens are provided with far lamp transparent area and low beam transparent area, and at least two LED on this circuit board correspond respectively to the far lamp transparent area of these lens and the position of low beam transparent area;

Radiating seat, is located on the connecting portion of this body, and the outer peripheral face of this radiating seat is provided with several pieces radiating fins.

2. have the headlight structure of far and near lamp according to claim 1, it is characterized in that, the outer peripheral face of this holder is provided with several pieces radiating fins.

3. there is the headlight structure of far and near lamp according to claim 1, it is characterized in that, the lateral surface of the far lamp transparent area of these lens is provided with a concave surface, a taper convex body is convexly equipped with in the interior side direction alcove of this far lamp transparent area, a groove is provided with in this taper convex body, a wherein LED on this circuit board is positioned at this groove, and the lateral surface of this low beam transparent area is set to arc convex surface, and the medial surface of this low beam transparent area is set to plane.

4. there is the headlight structure of far and near lamp according to claim 1, it is characterized in that, this circuit board is provided with embedding hole, several location, is provided with several positioning convex column in the alcove of these lens, the end of this positioning convex column is provided with location inlay, in the embedding hole, location that this location inlay is embedded at this circuit board.

5. there is the headlight structure of far and near lamp according to claim 1, it is characterized in that, the outer peripheral face of the connecting portion of this body is provided with external screw thread, be provided with in this radiating seat one for this connecting portion establish into perforation, the internal face of this perforation is provided with internal thread, and this internal thread is for establishing with the external screw thread phase spiral shell of this connecting portion.

6. have the headlight structure of far and near lamp according to claim 1, it is characterized in that, this radiating seat is provided with several location and wears groove.