CN205716877U - Vehicle headlight - Google Patents

Abstract

The utility model provides an automobile-used headlight, contain a lamp body, a light emitting module, a baffle unit, and a lens, this lamp body has a reflection space that supplies this light emitting module to install, and a light channel who is located this reflection space the place ahead, the light that this light emitting module produced is via this reflection space reflection to this light channel, this baffle unit includes that one is located this light channel and can let the light that passes through form the baffle of a cut-off line, this lens is installed on this light channel of this lamp body, and include a main spotlight portion, and a light filling portion that is outstanding and with light toward the regional guide in a top of this cut-off line by this main spotlight portion toward this baffle direction. Through the change of the structure, the driving safety of the installed vehicle can be improved under the condition that a light source is not additionally arranged.

Description

car headlights

technical field

The utility model relates to a headlight, in particular to a vehicle headlight which is installed on a vehicle and can provide front lighting of the vehicle.

Background technique

Existing headlights installed on vehicles need to produce high and low light shapes, which can be roughly divided into two types: multi-reflecting mirror lights and projection lights due to the different ways of sculpture light shapes. Projection lights When producing the low light shape, the light source is placed at the first focal point of the elliptical reflector, the light is concentrated to the second focal point after reflection, a baffle is placed at the second focal point, and placed in front of the baffle Putting an aspherical convex lens can produce a light-gathering effect and create a cut-off line that conforms to the shape of the passing light.

When this type of projected headlight produces a low beam shape in the low beam standard (low-beam standard), it not only needs to have a clear light and dark cut-off line, but also needs to meet a certain brightness in the area above the cut-off line to ensure driving safety. safety. Although the existing headlights for vehicles can use the cooperation of the baffle and the lens to produce light-concentrating and cut-off effects, the light in the area above the cut-off line is relatively weak, which not only fails to meet the standards for low beams in some countries. , will also affect the safety of driving.

Contents of the invention

The purpose of the utility model is to provide a vehicle headlight which can improve the driving safety of the installed vehicle without adding additional light sources.

The vehicle headlight of the utility model includes a lamp housing, a light-emitting module, a baffle unit, and a lens, the lamp housing has a reflection space for the light-emitting module to be installed, and a light channel located in front of the reflection space The light generated by the light-emitting module is projected to the light channel through the reflection space, the baffle unit includes a baffle located in the light channel and allows the passing light to form a cut-off line, the lens is installed on the lamp housing on the light channel, and includes a main light concentrating part, and a supplementary light part protruding from the main light concentrating part toward the baffle and guiding the light to an area above the cut-off line.

In the vehicle headlight of the present invention, the main light-gathering part of the lens has a horizontal axis passing through a geometric center, and the supplementary light part is lower than the horizontal axis.

In the vehicle headlight described in the present invention, the main light-concentrating part of the lens also has a vertical axis passing through the geometric center, the vertical axis and the horizontal axis intersect vertically, and the supplementary light part symmetrically straddles the vertical axis. axis.

In the vehicle headlight described in the utility model, the supplementary light part has an upper protrusion adjacent to the horizontal axis, and a lower protrusion located below the upper protrusion, the length of the lower protrusion is shorter than the upper protrusion length.

According to the vehicle headlight of the utility model, the upper protrusion has an upper concave-convex surface, and the lower protrusion has a lower concave-convex surface.

According to the vehicle headlight of the utility model, the light-emitting module includes a circuit board, and a first light-emitting part and a second light-emitting part electrically connected to the circuit board, and the baffle can be in a blocking position and a Switch between non-blocking positions, and have an upward shading surface, the shading surface has a flat connecting portion, and a first inclined portion and a second inclined portion located on the opposite side of the flat connecting portion, when the baffle plate is located In the shielding position, the flat connecting portion is flush with the horizontal axis, the first luminous element is blocked by the first slanted portion, and the second slanted portion is lower than the second luminous element.

According to the vehicle headlight of the utility model, the lamp housing includes a base with the reflection space, and a lampshade with the light channel and combined with the base, and the base also has a horizontally upward mounting surface, and a reflective surface that defines the reflective space together with the installation surface, and the light channel has a light exit, and the lens is installed at the light exit.

In the vehicle headlight of the present invention, the main light-gathering part of the lens has a light-incident surface facing the reflection space, and a light-exit surface spaced from the light-incidence surface. The surface is prominent.

The useful effect of the utility model is that: by adding the supplementary light part on the lens, the light generated by the light-emitting module can be guided above the cut-off line, and thus achieve the need of adding additional light sources. The driving safety of the installed vehicle can be improved.

Description of drawings

Other features and effects of the present utility model will be clearly presented in the implementation manner with reference to the drawings, wherein:

Fig. 1 is the three-dimensional exploded view of an embodiment of the vehicle headlight of the present invention;

Fig. 2 is a combined sectional view of the embodiment, in which the solid line indicates that the vehicle headlight is in a low light mode, and the imaginary line indicates that the vehicle headlight is in a far light mode;

Fig. 3 is an incomplete front view of this embodiment, mainly illustrating the relative relationship between a baffle plate, a light emitting module and a lens of the vehicle headlight;

Fig. 4 is an incomplete perspective view of the embodiment, illustrating the lens separately;

Fig. 5 is a schematic diagram of the light shape of this embodiment.

detailed description

Before the present invention is described in detail, it should be noted that in the following description, similar components are denoted by the same numerals.

Referring to Fig. 1, 2, 3, an embodiment of the vehicle headlight of the present invention is suitable for being installed on the front left side of the vehicle, and can be switched between a far light mode and a near light mode through circuit control. The vehicle headlight includes a lamp housing 1 , and a light emitting module 2 , a baffle unit 3 and a lens 4 mounted on the lamp housing 1 . The lamp housing 1 includes a base 11 and a lampshade 12 combined in front of the base 11 . The base 11 has a horizontally facing upward mounting surface 111, a reflective surface 112 extending upward and forward from the rear edge of the mounting surface 111, and a reflective surface 112 jointly defined by the mounting surface 111 and the reflective surface 112. And towards the reflective space 113 of the lens 4, and the lampshade 12 has a surrounding wall 122 that defines a light passage 121, and a retaining ring wall 123 that extends from the front edge of the surrounding wall 122 to the middle, and the light passage 121 Located in front of the reflective space 113 , it gradually narrows from the back to the front, and has a light outlet 124 corresponding to the blocking ring wall 123 .

The light emitting module 2 is located in the reflective space 113 of the base 11, and includes a circuit board 21 mounted on the mounting surface 111 of the base 11, and a first circuit board 21 electrically connected to the circuit board 21 and spaced left and right. A light-emitting element 22 , a second light-emitting element 23 , the circuit board 21 has an upward top surface 211 . The first light-emitting element 22 and the second light-emitting element 23 in this embodiment are both light-emitting diodes, the number of which is not limited to two as disclosed in the embodiment, and can also be one or several.

The baffle unit 3 includes a motor 31 hanging on the side of the base 11, and a baffle 32 that can be driven by the motor 31 to switch between a blocking position and a non-blocking position. The light channel 121 of the lampshade 12 is adjacent to the reflection space 113 . The baffle plate 32 has an upward shielding surface 320, the shielding surface 320 has a first inclined portion 321, a second inclined portion 322 spaced from the first inclined portion 321, and a 321 and the flat connecting portion 323 between the second inclined portion 322 .

When the baffle 32 is in the shielding position shown in FIG. 3 , the flat connecting portion 323 is substantially flush with the top surface 211 of the circuit board 21 , and the first inclined portion 321 is slightly higher than the flat connecting portion 323 , And gradually rise from the side adjacent to the flat connecting portion 323 to the side away from it, there is a first angle 324 between the first inclined portion 321 and the flat connecting portion 323, and the second inclined portion 322 is formed by The side adjacent to the flat connecting portion 323 gradually lowers toward the far side, and forms a second angle 325 with the flat connecting portion 323 , the angle of the second included angle 325 is greater than that of the first included angle 324 angle.

Referring to Figures 2, 3 and 4, the lens 4 is installed at the light outlet 124 of the lampshade 12, and includes a main light-concentrating portion 41, a support ring protruding from the outer periphery of the main light-condensing portion 41 42, and a supplementary light part 43 protruding from the main light collecting part 41 to the light channel 121. The main concentrator 41 has a horizontal axis 411 passing through a geometric center 410 of the lens 4, a vertical axis 412 perpendicularly intersecting the horizontal axis 411 and passing through the geometric center 410, and an incident light towards the reflecting space 113. surface 413 , and a light emitting surface 414 protruding from the light outlet 124 of the lampshade 12 .

The light filling part 43 is located on the incident surface 413 of the main light collecting part 41, slightly lower than the horizontal axis 411, and symmetrically located on the opposite side of the vertical axis 412. The light filling part 43 has an adjacent The upper protrusion 431 of the horizontal shaft 411, and a lower protrusion 432 connected with the upper protrusion 431 and reduced in length, the upper protrusion 431 has a backward and curved upper concave-convex surface 433, and the lower protrusion 432 432 has a rearwardly curved lower concave-convex surface 434 .

Referring to Figures 1, 2, 3, and 5, the vehicle headlight in this embodiment can be switched between the near light mode and the far light mode according to the needs of the user when the vehicle headlight is in use. In light mode, the baffle 32 is in the non-shielding position, that is, the baffle 32 is inclined toward the base 11 as shown by the imaginary line in FIG. A light-emitting part 22 and the second light-emitting part 23, therefore, the light generated by the first light-emitting part 22 and the second light-emitting part 23 will be reflected by the reflective surface 112, pass through the light channel 121 of the lampshade 12, and Projected on the light incident surface 413 of the lens 4, and finally sent out through the light exit surface 414 of the lens 4, due to the cooperation of the reflective surface 112, the first light emitting element 22, the second light emitting element 23 and the lens 4 , to generate high light shape is the prior art, no longer described.

When the headlight is switched from the far light mode to the near light mode, the motor 31 is used to drive the baffle 32 to pivot. When the horizontal axis 411 is aligned, the baffle plate 32 will also switch from the non-shielding position to the shading position shown by the solid line in FIG. 3 and FIG. After the light is projected on the reflective surface 112, it passes through the lens 4 through the light channel 121, and when the light enters the light channel 121 from the reflection space 113, it is blocked by the baffle 32, and the headlight will be as follows: As shown in FIG. 5 , an obvious cut-off line P is generated, and the brightness of the part below the cut-off line P is sufficient, and complies with the low light shape specification. Since the second slope 322 is lower than the horizontal axis 411, the light corresponding to the area of the second slope 322 is relatively bright, that is, the light of the headlight adjacent to the inside of the vehicle is sufficient and complies with most national standards. Low speed of light standard specification.

It should be further explained that, in addition to producing the headlight conforming to the cut-off line P specification and low beam shape in this embodiment, the upper concave-convex surface 433 and the lower concave-convex surface 434 of the supplementary light part 43 can also be used to direct the light to Up and to both sides to improve the brightness of an area Q above the cut-off line P, that is, the vehicle headlight of the present utility model can be integrally molded on the lens 4 without additional light sources. The supplementary light portion 43 on the main concentrating portion 41 achieves the purpose of supplementing the light in the upper area Q. Since the supplementary light is located in the upper area Q of the cut-off line P, the aforementioned structure of the present invention can not only meet Most countries regulate low beam standards, which can also improve the safety of vehicles while driving.

It is additionally noted that the vehicle headlight of this embodiment of the present invention is an example installed on the left side in front of the vehicle, if the vehicle headlight is installed on the right side in front of the vehicle, as long as the baffle plate 32 is replaced Can. In other words, whether the lens 4 of the present invention is used in the left headlight or the right headlight of the vehicle, it can increase the brightness of light in the area Q above the cut-off line P, so as to improve the safety of the vehicle when driving . In addition, the light filling part 43 is integrally formed on the light incident surface 413 of the lens 4 of the present invention. In addition to the above-mentioned effects, since no additional components are required, it also has the advantages of convenient manufacture and space-saving assembly. And so on.

Claims (9)

1. A vehicle headlight, comprising: a lamp housing, a light-emitting module, a baffle unit, and a lens, the lamp housing has a reflection space, and a light channel located in front of the reflection space, and the light-emitting The module is installed in the reflective space of the lamp housing, and the generated light is projected into the light channel through the reflective space, and the baffle unit includes a baffle located in the light channel and allowing the passing light to form a cut-off line, The lens is installed on the light channel of the lamp housing, and includes a main light-concentrating part; It is characterized in that: the lens also includes a supplementary light part protruding from the main light-gathering part toward the baffle plate and guiding the light to an area above the cut-off line. 2 . The vehicle headlight according to claim 1 , wherein the main light-concentrating portion of the lens has a horizontal axis passing through a geometric center, and the supplementary light portion is lower than the horizontal axis. 3 . 3. The vehicle headlight according to claim 2, characterized in that: the main converging portion of the lens also has a vertical axis passing through the geometric center, the vertical axis and the horizontal axis intersect vertically, and the complementary The optics are symmetrical across the vertical axis. 4. The vehicle headlight according to claim 3, wherein the supplementary light part has an upper protruding strip adjacent to the horizontal axis, and a lower protruding strip located below the upper protruding strip, the lower protruding strip The length is less than the length of the upper protrusion. 5. The vehicle headlight according to claim 4, wherein the upper protrusion has an upper concave-convex surface, and the lower protrusion has a lower concave-convex surface. 6. The vehicle headlight according to any one of claims 2 to 5, characterized in that: the light emitting module comprises a circuit board, and a first light emitting element electrically connected to the circuit board, a The second luminous part, and the baffle plate can be switched between a shielding position and a non-shielding position, and has an upward shielding surface, the shielding surface has a flat connecting portion, and a flat connecting portion on the opposite side The first inclined portion and a second inclined portion, when the baffle is at the shielding position, the flat connecting portion is flush with the horizontal axis, and the first luminous element is blocked by the first inclined portion, and the second inclined portion The part is lower than the second light-emitting element. 7. The vehicle headlight according to claim 6, characterized in that: the lamp housing comprises a base having the reflection space, and a lampshade having the light channel and combined with the base, the base also It has a horizontally upward mounting surface and a reflective surface defining the reflective space together with the mounting surface, and the light channel has a light exit, and the lens is installed at the light exit. 8. The vehicle headlight according to claim 7, characterized in that: the main light-concentrating portion of the lens has a light incident surface facing the reflecting space, and a light exit surface spaced from the light incident surface, the The supplementary light part integrally protrudes from the light incident surface. 9. The vehicle headlight according to claim 1, characterized in that: the main light-concentrating portion of the lens has a light-incident surface facing the reflection space, and a light-exit surface spaced from the light-incidence surface, the The supplementary light part integrally protrudes from the light incident surface.