CN203907415U - Headlight structure with far and near lamp - Google Patents

Abstract

The utility model provides a headlight structure with far and near lamps, which is composed of a body, a circuit board, a lens and a heat dissipation seat, a plurality of heat dissipation 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 the concave chamber of the lens, a far lamp light transmission area and a near lamp light transmission area are arranged on the lens, at least two LED lamps on the circuit board respectively correspond to the positions of the far lamp light transmission area and the near lamp light transmission area of the lens, the heat dissipation seat is arranged on the connecting part of the body, a plurality of heat dissipation fins are arranged on the outer peripheral surface of the heat dissipation seat, thus, the light source is respectively projected on the far lamp light transmission area or the near lamp light transmission area on the lens by virtue of at least two LED lamps on the circuit board, the light source is, and a cut-off line is generated to achieve the best switching between the far light and the near light and the illumination effect.

Description

Headlight structure with far and near lights

technical field

The utility model relates to a headlight structure with far and near lights, using at least two LED lights to respectively 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 desired lighting angle and range, and generate The light and dark cut-off line can achieve the best switching and lighting effect between the far light and the near 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.

Utility model content

The purpose of this utility model can effectively solve the light pattern projected by the light source existing in the far and near light switching structure of the existing headlights, the light pattern is scattered, the brightness is small, the uneven light is easy to produce glare, and the lampshade is not easy to dissipate heat and easily generate high temperature, etc. missing.

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

The utility model 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 of the lens is convexly provided with a conical convex body. A groove is arranged in the convex body, and one of the LED lamps on the circuit board is located in the groove, the outer surface of the light transmission area near the light is set as an arc convex surface, and the inner surface of the light transmission area of the near light is set as a plane.

The utility model has a headlight structure of far and near lights, wherein, the circuit board is provided with several positioning 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 positioning inlay is embedded in the positioning hole of the circuit board for positioning the lens on the circuit board.

The utility model 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, the heat sink 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 sink.

The utility model 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 utility model has the headlight structure of far and near lights, and its advantages are: the light source of the LED light 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 shading component in the lampshade, and a cut-off line of light and shade can be generated. , and the projected light is extremely uniform, and has an excellent heat dissipation effect, there will be no concerns about high temperature, it can increase the service life of the headlights, and it will not produce glare, so that the light source can be concentrated and projected to produce clear light and shade The cut-off line 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;

Shown in Fig. 3 is the three-dimensional exploded view of the utility model embodiment;

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

Shown in Fig. 5 is the three-dimensional assembled figure of the utility model embodiment;

Shown in Fig. 6 is the combined sectional view of the utility model embodiment;

Figure 7 is a schematic diagram of the illumination of the far light of the embodiment of the utility model;

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

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

Figure 10 is a schematic diagram of the light pattern of the embodiment of the present invention when the light is illuminated by the near light.

Explanation of reference numerals: 1 headlight; 10 lampshade; 100 chamber; 101 reflective surface; 11 illuminant; 12 partition; Translucent cover; 16 fixed frame; 17 light source; 2 body; 20 fixed seat; 21 screw hole; 22 cooling fin; 23 connection; 24 external thread; 3 circuit board; 30LED lamp; 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 groove; 460 arc convex surface; 461 arc surface; 5 cooling seat; 50 perforation; 51 internal thread; 52 cooling fin;

Detailed ways

Relevant utility model is for reaching above-mentioned purpose of use and effect, and the technical means adopted hereby enumerates preferred feasible embodiments, and cooperates as shown in the drawings, and is described in detail as follows:

The embodiment of the present utility model, referring to Fig. 3, shown in Fig. 4, is mainly provided with a main body 2, and 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 The outer peripheral surface of the seat 20 is provided with several fins 22, the other end of the body 2 is provided with a connecting portion 23, and the outer wall of the connecting portion 23 is provided with external threads 24; a circuit board 3 is located on the body 2 On the fixing seat 20, at least two LED lamps 30, 31 are arranged on the circuit board 3. On the position of the screw hole 21 corresponding to the fixing seat 20, the circuit board 3 is provided with a perforation 32. The circuit board 3 is provided with several A positioning embedding hole 33, a screw 34 is pierced in the perforation 32 on the circuit board 3; a lens 4 is arranged on the fixing seat 20 of the body 2, an alcove 40 is provided in the lens 4, and the circuit board 3 Located in the alcove 40 of the lens 4, the alcove 40 is provided with several positioning protrusions 41, the ends of the positioning protrusions 41 are provided with a positioning inlay 42, and the positioning inlay 42 is embedded in the circuit board 3 In the positioning embedding hole 33 of the lens 4, a far light transmission area 43 and a near light transmission area 44 are provided on the outer wall of the lens 4, a concave surface 430 is provided on the outer surface of the far light transmission area 43, and the far light The inner side of the light-transmitting area 43 protrudes toward the alcove 40 and is provided with a conical convex body 45, which is provided with a groove 46. The inner surface of the groove 46 is set as an arc convex surface 460, and the groove 46 The surrounding surface of the near lamp light transmission area 44 is set as an arc convex surface 440, and the inner surface is set as a flat surface 441; a heat sink 5 is arranged on the connecting part 23 of the body 2, and the heat dissipation The seat 5 is provided with a perforation 50 for the connecting portion 23 to be inserted into. The wall surface of the perforation 50 is provided with an internal thread 51. There are several cooling fins 52 on the outer peripheral surface of the cooling seat 5. Several cooling fins 52 are provided on the cooling seat 5. Locate through the slot 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 light transmission area 44 of the near light. According to the need to design 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 to reach the angle and range of the light projection, so there is no need to set the shading assembly and the range in the lampshade 6 of the present invention. Convex lens, and by virtue 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 produce a light-dark cut-off line, which can achieve the switching effect of far light and near light, and can save the cost of setting shading components, and the projected light is extremely uniform, which can achieve the best lighting effect, and the projected light There will be no 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 cooling fins 22 and the rear of the body 2 is provided with a heat sink 5. By virtue of the body 2 and The heat dissipation fins 22,52 on the heat sink 5 can quickly dissipate the high temperature generated by the LED lamps 30,31 on the circuit board 3, so that the headlights will not have high temperature concerns, and the service life of the headlights can be increased.

The above description is only illustrative, rather than restrictive, of the present utility model. 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 utility model.

Claims (6)

1. a headlight structure with far and near lamp, is characterized in that, includes:

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

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

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

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

4. there is according to claim 1 the headlight structure of far and near lamp, 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, and this location inlay is embedded in the embedding hole, location of this circuit board.

5. there is according to claim 1 the headlight structure of far and near lamp, it is characterized in that, the outer peripheral face of the connecting portion of this body is provided with external screw thread, in this radiating seat, be provided with 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. the headlight structure according to claim 1 with far and near lamp, is characterized in that, this radiating seat is provided with several location and wears groove.