CN218565267U

CN218565267U - Double-direct-injection double-light LED automobile headlamp

Info

Publication number: CN218565267U
Application number: CN202222939447.8U
Authority: CN
Inventors: 张静坡
Original assignee: Guangzhou Yuezhao Automotive Lighting Co ltd
Current assignee: Guangzhou Yuezhao Automotive Lighting Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-03
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a two light LED vehicle headlamps that penetrate directly belongs to vehicle headlamps technical field. This vehicle headlamps includes glass lens, the lamp pearl is shone directly to the distance beam, passing light lamp pearl and passing light reflector cup, still include the collimation light filling part of T IR, this collimation light filling part of T IR includes light filling lamp pearl and T IR collimating lens, T IR collimating lens sets up in passing light reflector cup below, light filling lamp pearl sets up in T IR collimating lens lower part, the regional parallel shooting in upper portion from glass lens after its light that sends passes through T IR collimating lens, form the light filling to far away, passing light. The utility model discloses an increase the collimation light filling part of T IR, utilize the total internal reflection characteristic of T IR collimating lens, form the effective light filling to far and near-distance light. Still through penetrating the lamp pearl front end at the distance light and add spherical lens directly, make it penetrate the lamp pearl to carry out optics to the distance light and receive the light, improve output luminous flux greatly, promote headlight luminance on the whole, the effect of paving is better, and the penetrating power is stronger.

Description

Double-direct-injection double-light LED automobile headlamp

Technical Field

The utility model relates to a car headlight technical field especially relates to a two light LED vehicle headlamps that penetrate directly.

Background

The existing direct-emitting LED double-light lens generally adopts a single near-light lamp bead and a single near-light reflecting cup, and then adopts a single direct-emitting far-light lamp bead to realize the far-light and near-light irradiation of the automobile headlamp. In the illumination scheme, the high beam is supplemented by a single lamp bead direct illumination mode, the light-emitting angle is large, the output luminous flux is low, and the brightness is general; the dipped beam is designed by a single reflecting cup, the light type is uniform, but the brightness is low, no light is supplemented, and the lighting effect is limited.

This application is exactly improving on the present two optical lens bases of direct projection formula LED, create a new two optical LED vehicle headlamps that penetrate directly, make it through addding TIR collimation light filling part, realize far away, the light filling scheme of passing light, still receive light to its optics through two LED high beam lamp pearls that penetrate directly, make the high beam light filling stronger, facula visual effect is more comfortable, paving effectually, the penetrating power is stronger, become the current industry extremely need the modified target.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a two light LED vehicle headlamps of penetrating directly makes it through addding TIR collimation light filling part, realizes the light filling scheme of far and near-distance light, still receives the light through two LED high beam lamp pearls of penetrating directly and to its optics, makes the high beam light filling stronger, facula visual effect is more comfortable, paves effectually, and the penetrating power is stronger to overcome the not enough that current two light lens of penetrating direct-type LED exist.

For solving the technical problem, the utility model provides a two light LED vehicle headlamps of directly penetrating, including glass lens, distance beam directly penetrate lamp pearl, short-distance beam lamp pearl and short-distance beam reflection of light cup, the light process that the lamp pearl sent is directly penetrated to the distance beam the glass lens directly jets out, the light process that short-distance beam lamp pearl sent follows behind the short-distance beam reflection of light cup reflection glass lens's the regional parallel shooting in lower part still includes TIR collimation light filling part, TIR collimation light filling part includes light filling lamp pearl and TIR collimating lens, TIR collimating lens sets up short-distance beam reflection of light cup below, light filling lamp pearl sets up TIR collimating lens lower part, its light that sends pass through follow behind the TIR collimation lens glass lens's the regional parallel shooting in upper portion forms the light filling to far away, short-distance beam.

The TIR collimating lens is further improved and comprises a lens part and fixing parts arranged on two sides of the lens part, the lens part comprises a total reflection cup-shaped lens located at the lower part and a triangular prism lens located at the upper part, and light rays emitted by the light supplementing lamp beads are reflected to the upper part area of the glass lens through one side surface of the triangular prism lens after passing through the total reflection cup-shaped lens.

The light supplementing lamp is characterized in that the light supplementing lamp bead is arranged on the other side face of the triangular prism lens, and the two side faces of the triangular prism lens are arranged asymmetrically and used for reflecting the light supplementing lamp bead to emit light.

In a further improvement, the fixing part of the TIR collimating lens adopts fixing plates which are symmetrically extended from two sides of the lens part, and the fixing plates are provided with fixing and mounting holes.

Further improved, the fixing plate is also provided with a positioning bulge.

The light supplementing lamp bead is further improved, and a vertical packaging LED light source with single crystal elements and high power density is adopted.

The improved structure is characterized in that a direct-irradiating lens is arranged on the glass lens, light rays emitted by the high-beam direct-irradiating lamp beads directly penetrate through the direct-irradiating lens, and a spherical lens is arranged on one side, facing the direct-irradiating lens, of the high-beam direct-irradiating lamp beads and used for optically receiving light to realize high-beam light supplement.

Further improved, the spherical lens enables the light-emitting angle of the high beam direct light bead to be less than or equal to 60 degrees, and the output luminous flux is improved by more than 80%.

The improved structure is characterized in that the glass lens comprises two direct-lighting lenses, the headlamp comprises two high beam direct-lighting lamp beads which are arranged corresponding to the direct-lighting lenses, and two spherical lenses which are arranged corresponding to the high beam direct-lighting lamp beads.

In a further improvement, the two direct lenses are respectively and symmetrically arranged at two sides of the upper part of the glass lens to form a binocular structure of the glass lens.

After adopting such design, the utility model discloses at least, following advantage has:

1. the utility model discloses two light LED vehicle headlamps of two lights of penetrating directly utilize TIR collimating lens's total internal reflection characteristic through increasing TIR collimation light filling part, and the light that sends light filling lamp pearl passes through follow behind the TIR collimating lens the regional parallel of upper portion of glass lens jets out, can form the effective light filling to far away, passing light.

2. The lens part of the TIR collimating lens is improved, and the triangular prism lens is arranged on the upper part of the total reflection cup-shaped lens on the lower part of the TIR collimating lens, so that light rays emitted by the light supplementing lamp bead are reflected to the upper area of the glass lens through one side surface of the triangular prism lens after passing through the total reflection cup-shaped lens, and a parallel emergent light supplementing scheme is formed.

3. Still set the fixed plate of different structures through the fixed part with TIR collimating lens to and set up fixed mounting hole and location arch on the fixed plate, can effectually solve this TIR collimating lens's installation fixed, adapt to the car headlight of different inner structure, the fixed mode is simple, nimble.

4. Still penetrate the setting of lamp pearl and set up spherical lens in the front of lamp pearl through two distance lights directly, make it penetrate the lamp pearl to carry out optics to receive the light to distance light directly, make the distance light penetrate the lamp pearl directly and go out the light angle and receive 60 degrees by 180 degrees of lamp pearl, output luminous flux has improved more than 80%, whole luminance has improved more than 150%, the facula visual effect of distance light filling is more comfortable, paves effectually, and the penetrating power is stronger.

Drawings

The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

Fig. 1 is the internal structure schematic diagram of the dual direct-injection dual-light LED automotive headlamp of the present invention.

Fig. 2 is the double-lens glass lens structure schematic diagram of the double-direct-illumination double-light LED automotive headlamp of the present invention.

Fig. 3 is the utility model discloses the light of two light LED vehicle headlamps's of two lights of penetrating directly short-distance beam lamp pearl jets out the principle schematic diagram.

Fig. 4 is the utility model discloses the light of two light LED vehicle headlamps's of penetrating directly light lamp pearl jets out the principle schematic diagram.

Fig. 5 and fig. 6 are schematic diagrams of three-dimensional structures at different angles of an embodiment of the TIR collimating lens of the dual direct-illumination dual-light LED automotive headlamp of the present invention.

Fig. 7 is a side view of an embodiment of the TIR collimating lens of the dual direct-illumination dual-light LED automotive headlamp of the present invention.

Fig. 8 is a top view of an embodiment of the TIR collimating lens of the dual direct light and dual light LED automotive headlamp of the present invention.

Fig. 9 and fig. 10 are schematic diagrams of three-dimensional structures of different angles of another embodiment of the TIR collimating lens of the dual direct-illumination dual-light LED automotive headlamp of the present invention.

Fig. 11 is the utility model discloses two light LED vehicle headlamps's of penetrating directly distance light penetrates the light of lamp pearl and jets out the principle schematic diagram.

Detailed Description

Referring to fig. 1, the dual direct-beam and dual-light LED automotive headlamp of the present embodiment includes a glass lens 10, a high beam direct-beam portion 20, a low beam reflective portion 30, a TIR collimated light supplement portion 40, and a light cut portion 50.

Referring to fig. 2, the glass lens 10 in this embodiment includes a circular glass lens and two

directing lenses

11, 12 disposed therein. The two

direct lenses

11 and 12 are respectively symmetrically arranged at two sides of the upper part of the circular glass lens to form a binocular structure of the glass lens 10. The lower region 14 of the circular glass lens serves to emit light rays exiting the low-beam light reflecting portion 30. The upper area 13 of the circular glass lens is used for emitting light rays emitted by the TIR collimated light supplementing part 40.

Referring to fig. 3, the low beam light reflecting portion 30 in this embodiment includes an LED low beam bulb 32 and a low beam reflector cup 31. Wherein this passing light lamp pearl 32 and passing light reflection cup 31 can adopt current structure, the light process that passing light lamp pearl 32 sent follow behind the reflection of passing light reflection cup 31 the regional 14 parallel jets out in lower part of glass lens 10 forms this vehicle headlamps's passing light type, and this passing light type left and right width is greater than 40 degrees, luminance uniformity.

Referring to fig. 1 and 4, in this embodiment, the TIR collimating and supplementary lighting part includes a supplementary lighting lamp bead 42 and a TIR collimating lens 41. The light supplementing lamp beads 42 adopt a vertical packaging LED light source with single crystal elements and high power density. The TIR collimating lens 41 is arranged below the low beam reflector 31, the supplementary light bulb 42 is arranged below the TIR collimating lens 41, and light rays emitted by the supplementary light bulb pass through the TIR collimating lens 41 and then are emitted in parallel from the upper area 13 of the glass lens 10, so that supplementary light for high and low beams is formed, and the brightness of the high and low beams is improved.

Specifically, referring to fig. 5 to 8, the TIR collimating lens 41 includes a lens portion and fixing portions disposed at both sides thereof. The lens part comprises a total reflection cup-shaped lens 411 positioned at the lower part and a triangular prism lens 412 positioned at the upper part, and light rays emitted by the light supplementing lamp beads 42 are reflected to the upper area 13 of the glass lens through one side surface of the triangular prism lens 412 after passing through the total reflection cup-shaped lens 411 and are emitted in parallel.

Two side surfaces of the triangular prism lens 412 are asymmetrically arranged, as shown in fig. 7, and an inclination of a side surface a for reflecting light emitted by the light supplement lamp bead 42 is greater than an inclination of the other side surface b.

The fixing portion of the TIR collimating lens 41 is a fixing plate 413 symmetrically extending from two sides of the lens portion, and a fixing mounting hole 414 is formed in the fixing plate 413, and is used for mounting and fixing the TIR collimating lens 41.

The fixing plate 413 is further provided with a positioning protrusion 415 for matching with a groove on an environmental component, so that the TIR collimating lens 41 can be further ensured to be limited, positioned accurately and not easy to displace.

Of course, the fixing plate 413 may adopt a straight plate structure as shown in fig. 5 to 8, may also adopt a bent plate structure as shown in fig. 9 and 10, and may also adopt other structures to adapt to the internal structure of the car headlight, so as to facilitate the installation and fixation of the TIR collimating lens 41.

In this embodiment, the high beam direct projection part 20 includes a LED high beam direct projection lamp bead 21 for emitting high beam light, which is directly emitted through the direct projection lens to form high beam irradiation.

In order to further implement the high beam supplementary lighting, referring to fig. 11, a spherical lens 22 is disposed at the front end of the high beam direct lighting lamp bead 21, i.e. at the side facing the direct lighting lens. The spherical lens 22 is used for optically receiving the high beam direct beam lamp bead 21 to realize high beam light supplement. The spherical lens 22 makes the light-emitting angle of the high beam direct light bead 21 less than or equal to 60 degrees, and the output luminous flux is improved by more than 80%.

In this embodiment, the two high beam direct light beads 21 are provided corresponding to the

direct lenses

11 and 12, and the two spherical lenses 22 are also provided corresponding to the high beam direct light beads 21, so as to form a double direct light LED high beam. The overall brightness of the headlamp is improved by more than 150% through the optical light collection of the spherical lens 22, the light spot visual effect of the high beam light supplement is more comfortable, the paving effect is good, and the penetrating power is stronger.

The light cutting part 50 in this embodiment adopts the existing structure for the realization realizes even, the suitable low beam of luminance of light type, light filling light type to the light cutting of low beam light and light filling light.

The utility model discloses two light LED vehicle headlamps of two lights of penetrating directly are through increasing TIR collimation light filling part to the perpendicular encapsulation light source of single crystal unit high power density adopts the TIR collimating lens of unique structure for light filling lamp pearl, utilizes its total internal reflection characteristic, passes through the light that light filling lamp pearl sent follow behind the TIR collimating lens the regional parallel shooting in upper portion of glass lens can form the effective light filling to far away, passing light. Still penetrate the setting of lamp pearl and add spherical lens in the front of lamp pearl directly through two distance lights, make it penetrate the lamp pearl directly to the distance light and carry out optics and receive the light, make the distance light penetrate lamp pearl light-emitting angle greatly and contract, output luminous flux effectively improves, whole luminance improves greatly, and the facula visual effect of distance light filling is more comfortable, paves effectually, and the penetrating power is stronger.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.

Claims

1. The utility model provides a two light LED vehicle headlamps of two lights of directly penetrating, includes glass lens, distance light and penetrates lamp pearl, short-distance beam lamp pearl and short-distance beam reflector cup directly, the light that the lamp pearl sent is penetrated directly to the distance light passes through glass lens directly jets out, the light that short-distance beam lamp pearl sent passes through follow after short-distance beam reflector cup reflects the regional parallel play in lower part of glass lens, its characterized in that still includes TIR collimation light filling part, TIR collimation light filling part includes light filling lamp pearl and TIR collimating lens, TIR collimating lens sets up short-distance beam reflector cup below, light filling lamp pearl sets up TIR collimating lens lower part, and its light that sends passes through follow behind the TIR collimating lens the regional parallel play in upper portion of glass lens forms the light filling to far and short-distance beams.

2. The bi-direct light and bi-light LED automotive headlamp of claim 1, wherein the TIR collimating lens comprises a lens part and fixing parts arranged at two sides of the lens part, the lens part comprises a total reflection cup-shaped lens at the lower part and a triangular prism-shaped lens at the upper part, and light emitted by the light supplementing lamp bead is reflected to the upper area of the glass lens through one side surface of the triangular prism-shaped lens after passing through the total reflection cup-shaped lens.

3. The dual direct light and dual light LED automotive headlamp according to claim 2, wherein two side surfaces of the triangular prism lens are asymmetrically arranged, and the side surface for reflecting the light emitted from the light supplementing lamp bead has a larger inclination than the other side surface.

4. The bi-direct light bi-light LED automotive headlamp of claim 2 wherein the fixed portion of the TIR collimating lens is a fixed plate symmetrically extending from both sides of the lens portion, and the fixed plate is provided with a fixed mounting hole.

5. The bi-direct light bi-light LED automotive headlamp of claim 4 further comprising a positioning protrusion on the mounting plate.

6. The bi-direct light and bi-light LED automotive headlamp of claim 1, wherein the light supplement lamp bead is a vertically packaged LED light source with single crystal cells and high power density.

7. The dual direct-lighting dual-light LED automotive headlamp according to any one of claims 1 to 6, wherein a direct-lighting lens is disposed on the glass lens, light emitted by the high-beam direct-lighting lamp bead passes through the direct-lighting lens to be directly emitted, and a spherical lens is disposed on a side of the high-beam direct-lighting lamp bead facing the direct-lighting lens to optically receive the high-beam direct-lighting lamp bead to implement high-beam light supplement.

8. The dual direct light and dual light LED automotive headlamp according to claim 7 wherein the spherical lens provides a light exit angle of the high beam direct light bulb of 60 degrees or less and an output luminous flux of 80% or more.

9. The bi-direct light bi-light LED automotive headlamp of claim 7, wherein the glass lens comprises two direct lenses, the headlamp comprises two high beam direct light beads corresponding to the direct lenses, and two spherical lenses corresponding to the high beam direct light beads.

10. The bi-direct light bi-light LED automotive headlamp according to claim 9, wherein the two direct light lenses are symmetrically arranged at two sides of the upper part of the glass lens respectively, so as to form a binocular structure of the glass lens.