CN210740259U

CN210740259U - Shading element, headlamp module, car light and vehicle

Info

Publication number: CN210740259U
Application number: CN201921964266.2U
Authority: CN
Inventors: 张洁
Original assignee: HASCO Vision Technology Co Ltd
Current assignee: HASCO Vision Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-12
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a head-light discloses a shading element, including light screen main part (11), light screen main part (11) are including protruding (13) and the reflection of light face (14) that are located this light screen main part (11) relative surface, protruding (13) have by portion (12) that are used for forming light and shade cut-off line. The utility model discloses still disclose a head-light module, car light and vehicle. The utility model discloses can make the switching of far and near light not produce the noise, far and near light switches rapidly.

Description

Shading element, headlamp module, car light and vehicle

Technical Field

The utility model relates to a head-light, concretely relates to shading component, in addition, the utility model discloses still relate to a head-light module, car light and vehicle.

Background

The automobile headlamp is used for night illumination, and because the illumination effect of the headlamp directly influences the operation and traffic safety of driving at night, the illumination standard is mostly stipulated in a legal form by the traffic management departments of all countries in the world, and the existing automobile headlamp mainly adopts an LED light source along with the continuous development of the technology. The automobile headlamp has a unique light distribution structure and can be divided into a high beam and a low beam according to the type of light emission. For example, the light emitted from the high beam is reflected by the reflector and then directly emitted forward to form the "high beam". The light emitted by the low-beam light is blocked to the upper half part of the lampshade reflector by the shading plate, and the reflected light rays are downwards diffused to the ground to form low-beam light, so that dazzling of drivers on opposite vehicles is avoided.

The high beam and low beam integrated vehicle lamp module in the prior art comprises a low beam system and a high beam system, a light screen with a cut-off line shape is required to be adopted to form a low beam shape with a cut-off line, the light screen is driven by a switcher to switch the high beam and the low beam, the existing switcher (mostly using a solenoid valve as a driving mechanism) is generally a metal stamping part baffle, and mostly a plane type is used for realizing the purpose of forming a tangent line for the low beam lamp and blocking the light of the low beam lamp. However, the position switching of the light shielding plate needs to be driven by a driving mechanism, and the switching process is a mechanical motion process, so that the volume of the car light module is large, and the switching of the far light and the near light has certain noise.

Therefore, a new high-low beam integrated lighting system is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the first aspect will be solved provides a shading element, and this shading element can solve the switching of far and near light and produce the problem of noise, and far and near light switching speed is fast.

The utility model discloses the technical problem that the second aspect will be solved provides a head-light module, and the distance and the dipped headlight of this head-light module can not produce the noise enough, and switches rapidly, does benefit to the volume that reduces the car light.

The utility model discloses the technical problem that the third aspect will be solved provides a car light, and the distance and near light of this car light is cut the energy conversion and is not enough produced the noise, the design of being convenient for.

The utility model discloses the technical problem that the fourth aspect will be solved provides a vehicle, and the distance and near light of this vehicle is cut the energy conversion and is not enough produced the noise, the vehicle appearance design of being convenient for.

In order to achieve the above object, a first aspect of the present invention provides a shading element, comprising a shading plate main body, wherein the shading plate main body comprises a protrusion and a reflecting surface on the opposite surface of the shading plate main body, and the protrusion has a cut-off portion for forming a cut-off line.

A second aspect of the present invention provides a headlamp module, which includes a low beam lighting unit, a high beam lighting unit, a shading element and a lens according to the first aspect; the focal point of the lens is located at the cut-off portion of the shade element, the low beam illumination unit is positioned so that the convergence point of the outgoing light is located at the focal point of the lens, and the high beam illumination unit is positioned so that the convergence point of the outgoing light is symmetrical with the focal point of the lens about the light reflecting surface.

Preferably, the low beam illumination unit includes a low beam condensing element and a low beam light source located at a first focal point of the low beam condensing element, and the high beam illumination unit includes a high beam condensing element and a high beam light source located at a first focal point of the high beam condensing element; the second focus of the low beam condensing element coincides with the focus of the lens, and the second focus of the high beam condensing element and the focus of the lens are symmetrical about the light reflecting surface.

Specifically, the low beam condensing element and the high beam condensing element are both ellipsoidal reflecting cups, and the low beam light source and the high beam light source are respectively located at first focuses of the ellipsoidal reflecting cups.

Specifically, at least one of the low beam condensing element and the high beam condensing element is a condenser, and the low beam light source and the high beam light source are respectively located at the focal points of the incident ends of the corresponding condensers.

Preferably, the low beam lighting unit and the high beam lighting unit are positioned such that the respective outgoing light rays are both outgoing via a lower region of the lens.

Typically, a heat sink is also included, the heat sink being connected to a circuit board for mounting the low-beam light source and the high-beam light source.

Specifically, the low beam light source and the high beam light source are LED light emitting chips, Organic Light Emitting Diode (OLED) light emitting chips, or laser-based light emitting chips.

The utility model discloses the third aspect provides a car light, including any one in the technical scheme of the second aspect head-light module.

The utility model discloses the fourth aspect provides a vehicle, including third aspect technical scheme the car light.

Through the technical scheme, the utility model discloses shading element does not need actuating mechanism, just can realize the switching of far and near light, eliminates the traditional noise influence that carries out far and near light switching production through actuating mechanism.

In addition, the headlamp module with the shading element can not generate noise in the high beam and low beam switching process, improves the switching speed, has higher stability, simplifies the structure and is beneficial to miniaturization.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

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

fig. 2 is a schematic diagram of the low beam light path of an embodiment of the present invention;

fig. 3 is a schematic view of a high beam path according to an embodiment of the present invention;

fig. 4 is a schematic view of the low beam plane illuminance of an embodiment of the present invention;

fig. 5 is a schematic view of the high beam planar illumination according to an embodiment of the present invention;

fig. 6 is a schematic view of far and near light planar illuminance according to an embodiment of the present invention.

Description of the reference numerals

11 stop part of light screen body 12

13 convex 14 reflecting surface

2 lens

31 low beam condenser element 32 low beam light source

41 high beam condenser 42 high beam light source

43 second focus 5 heat sink of high beam condenser

focal length of f lens

Distance between second focus of D high beam condensing element and reflecting surface

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of the features described.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted at first that in the following technical solution of the present invention, in the description of the present invention, the orientation term definition is performed by taking the headlamp module itself as the orientation reference, wherein, along the direction of the illumination of the vehicle lamp, the one end of the lens 2 is front, the end opposite to it is back, this "up" and "down" refer to the upper and lower orientation that the headlamp module itself has, however, in the actual installation situation, because the headlamp module sets up the position in the vehicle differently, there are various possible orientation arrangements, the orientation term should be interpreted for the reference according to the actual installation state and combining the headlamp module itself, and the limitation to the orientation of the headlamp module itself does not constitute the limitation to the protection scope of the present invention.

Referring to fig. 1 to 3, a shading element according to a basic embodiment of the present invention includes a shading plate main body 11, the shading plate main body 11 includes a protrusion 13 and a reflective surface 14, the protrusion 13 and the reflective surface 14 are respectively located on two opposite surfaces of the shading plate main body 11, and a cut-off portion 12 for forming a cut-off line is formed on the protrusion 13.

On the basis of the basic embodiment of the light shielding element, the light shielding element is adapted to a low beam light source, a high beam light source and a lens of a general vehicle headlamp, and emergent rays of the low beam light source and the high beam light source can form a low beam and a high beam through the light shielding element, specifically, the light shielding element is arranged on a light path among the low beam light source, the high beam light source and the lens, so that a convergence point of the emergent rays of the low beam light source is superposed with a lens focus and is positioned on the cut-off part 12 of the bulge 13, so that a low beam type with a cut-off line can be formed, and a convergence point of the emergent rays of the high beam light source can be in mirror symmetry with the lens focus opposite to the light reflecting surface 14, so that the high beam can be formed; the shading element has the advantages that compared with the traditional mode that the shading plate is controlled by the driving mechanism to switch the distance light and the dipped beam, the driving mechanism is not needed, the distance light and the dipped beam can be switched only by controlling the on-off of the distance light source and the dipped beam light source, the response is rapid, and no mechanical noise is generated.

In order to facilitate understanding of the light blocking element according to the basic embodiment of the present invention, the following further describes a headlamp module to which the light blocking element is applied, so as to better explain the technical concept of the present invention.

Specifically, the headlamp module of the present invention includes a low beam illumination unit, a high beam illumination unit, a shading element, and a lens 2; the focal point of the lens 2 is arranged at the cut-off 12 of the shading element, the low beam illumination unit and the high beam illumination unit are arranged such that the point of convergence of the outgoing light rays of the low beam illumination unit can be located at the focal point of the lens 2, and the point of convergence of the outgoing light rays of the high beam illumination unit can be symmetrical with the focal point of the lens 2 with respect to the light reflecting surface 14; due to the shading and reflecting effects of the shading element, far and near light switching is more convenient, and various defects of a switching mode of a traditional driving mechanism can be avoided, for example, the traditional shading plate position switching needs driving of the driving mechanism, and the switching process is a mechanical motion process, so that the intrinsic defects of abrasion, noise, low switching speed and the like are easily generated.

It can be understood that the convergent point of the emergent light of the low beam lighting unit can also be located near the focus of the lens 2, and similarly, the convergent point of the emergent light of the high beam lighting unit and the focus of the lens 2 do not need strict symmetry about the reflective surface 14 as long as corresponding low beam light type and high beam light type can be formed, all belong to the protection range of the utility model.

Further, the low-beam lighting unit includes a low-beam condensing element 31 and a low-beam light source 32, the low-beam light source 32 is located at a first focal point of the low-beam condensing element 31, the high-beam lighting unit includes a high-beam condensing element 41 and a high-beam light source 42, the high-beam light source 42 is located at a first focal point of the high-beam condensing element 41; the second focal point of the low beam condensing element 31 coincides with the focal point of the lens 2, and the second focal point 43 of the high beam condensing element 41 is symmetrical to the focal point of the lens 2 with respect to the light reflecting surface 14; like this, the emergent ray of low beam light source 32 assembles in the second focus department of low beam light condensing element 31, can form the low beam type that has the light and shade cut-off line through lens 2 emergence again after being sheltered from by cutoff part 12, and on the same way, the emergent ray of high beam light source 42 assembles in the second focus department of high beam light condensing element 41, just can form the high beam type that needs through lens 2 emergence again after being reflected by reflecting surface 14. The low beam light source 32 and the high beam light source 42 may be LED, OLED or laser-based light emitting chips.

The low beam condensing element 31 and the high beam condensing element 41 may have various specific structural forms, for example, the low beam condensing element 31 and the high beam condensing element 41 may adopt ellipsoidal reflective cups, and the low beam light source 32 and the high beam light source 42 are respectively located at the first focal points of the corresponding ellipsoidal reflective cups; thus, by utilizing the optical performance of the ellipsoidal reflector, the emergent light of the low beam light source 32 and the high beam light source 42 can be converged to the second focus of the corresponding ellipsoidal reflector through the ellipsoidal reflector, and the switching between the high beam and the low beam is realized by the action of the shading element; alternatively, the low beam condensing element 31 and the high beam condensing element 41 may adopt an existing condenser, where the first focal point of the low beam condensing element 31 and the high beam condensing element 41 is the focal point of the incident end of the condenser, the second focal point of the low beam condensing element 31 and the high beam condensing element 41 is the focal point of the emitting end of the condenser, the low beam light source 32 and the high beam light source 42 are respectively disposed at the focal point positions of the incident ends of the corresponding condensers, and the emitting light beams of the low beam light source 32 and the high beam light source 42 are condensed by the condensers and then emitted from the focal points of the corresponding condensers. It should be understood that the near light condensing element 31 and the high light condensing element 41 are not required to be ellipsoidal reflecting cups or light collectors, one of the two may be an optical collector, and the other one may be an ellipsoidal reflecting cup, or the two may be optical elements that can achieve the same function, as long as the optical elements can converge the light emitted from the near light source 32 to the focal point of the lens 2 and converge the light emitted from the high light source 42 to a position that is mirror-symmetric with the focal point of the lens 2 with respect to the reflecting surface 14. As a preferred embodiment, in the headlamp module of the present invention, the positioning connection relationship between the low beam illumination unit, the high beam illumination unit and the light shielding element enables the outgoing light rays of the low beam illumination unit and the high beam illumination unit to exit through the lower region of the lens 2. So, changed the regional routine of traditional distance light path directive lens upper portion, made the distance light path also pass through the lower part region of lens, traditional passing through region of passing through light path promptly for to the reduction of taking up of lens area, be convenient for dwindle the module volume.

In order to have a good heat dissipation effect and to ensure a normal working state of the headlamp module, a heat sink 5 may be provided, and a circuit board for mounting the low beam light source and the high beam light source is mounted on the heat sink 5.

As shown in fig. 1 to 3, the head lamp module according to the preferred embodiment of the present invention includes a low beam condensing element 31, a low beam light source 32, a high beam condensing element 41, a high beam light source 42, a light blocking element, and a lens 2; the low-beam light source 32 is located at the first focus of the low-beam condensing element 31, the high-beam light source 42 is located at the first focus of the high-beam condensing element 41, and the low-beam light source 32 and the high-beam light source 42 can select light emitting chips such as an LED light emitting chip, an OLED light emitting chip, or a laser-based light emitting chip, wherein the low-beam condensing element 31 and the high-beam condensing element 41 can be optical elements having a condensing function such as an ellipsoidal reflector, a condenser, etc.; as shown in fig. 1, when the lens 2 is positioned, the lens 2 is disposed in front of the light shielding element, the focal point of the lens 2 is located at the position of the cut-off portion 12 of the light shielding element, that is, the horizontal distance between the position of the cut-off portion 12 and the optical center of the lens 2 is the focal length f of the lens, when the low-beam condensing element 31 and the high-beam condensing element 41 are positioned, the low-beam condensing element 31 and the high-beam condensing element 41 are disposed behind the light shielding element, the second focal point of the low-beam condensing element 31 and the focal point of the lens 2 are overlapped, the second focal point of the high-beam condensing element 41 and the focal point of the lens 2 are mirror-symmetric with respect to the light reflecting surface 14, that is, if the distance from the second focal point of the high-beam condensing element 41 to the light reflecting surface 14 is D, the distance from the; compared with the traditional mode of switching between far and near light by using the movement of the light screen, the head lamp module of the utility model can realize the switching between far and near light only by controlling the on-off of the near light source 32 and the far light source 42, and the switching is rapid, so that the mechanical noise is not generated, the structure is simplified, and the cost is saved; in addition, the above arrangement allows the outgoing light from each of the low beam light source 32 and the high beam light source 42 to exit through the lower region of the lens 2, so that the area requirement for the lens is reduced.

Therefore, the headlamp module of the present invention can conveniently realize the switching between the high beam and the low beam by the reflector 14 through the mirror reflection of the reflective surface 14 to the emergent light of the high beam light source 42 by adopting the specific structural design of the light shielding element, that is, the cut-off part 12 on the upper part of the light shielding element can be used for forming the low beam type, and the reflective surface 14 on the lower part thereof can be used for forming the high beam type; as shown in fig. 4 to 6, a low-beam plane illuminance diagram, a high-beam plane illuminance diagram and a high-beam plane illuminance diagram are respectively shown; specifically, the divergent light emitted from the low beam light source 32 is converged near the focal point of the lens 2 by the low beam condensing element 31, and since the cut-off portion 12 has a structure capable of forming a cut-off line, the light passing through the cut-off portion 12 is finally emitted as a low beam type having a cut-off line, and the light is emitted through the lower region of the lens; divergent light emitted by the high beam light source 42 is converged to a second focus 43 of the low beam light converging element 31, and the second focus 43 is positioned near the focus of the lens 2 through a virtual focus formed by the reflecting surface 14, so that light reflected by the reflecting surface 14 is emitted from the virtual focus, parallel high beams can be formed through the lens, and the problem that the high beam optical system and the low beam optical system need to form images at the focus of the lens 2 is solved skillfully; because the installation position of the shading element is fixed, the switching of the far and near light can be controlled only by controlling the on-off of the near light source 32 and the far light source 42, a driving mechanism for driving the shading plate to switch positions of the traditional far and near light module is omitted, the control program is simplified, the cost is saved, and the miniaturization of the car lamp is facilitated.

The utility model discloses an embodiment of car light can have above-mentioned arbitrary embodiment head-light module, adopted above-mentioned all technical scheme of all head-light module embodiments promptly, consequently have all beneficial effects that the technical scheme of above-mentioned head-light module embodiment brought at least.

The utility model discloses an embodiment of vehicle can have above-mentioned embodiment the car light, adopted the whole technical scheme of above-mentioned car light embodiment promptly, consequently have all beneficial effects that the technical scheme of above-mentioned car light embodiment brought at least.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A shading element, characterized by comprising a shading plate body (11), wherein the shading plate body (11) comprises a bulge (13) and a light reflecting surface (14) which are positioned on the opposite surfaces of the shading plate body (11), and the bulge (13) is provided with a cut-off part (12) for forming a shading cut-off line.

2. A headlamp module, characterized by comprising a low beam lighting unit, a high beam lighting unit, a shading element according to claim 1 and a lens (2); the focal point of the lens (2) is located at the cut-off (12) of the shading element, the low-beam lighting unit is positioned so that the convergence point of the emergent rays is located at the focal point of the lens (2), and the high-beam lighting unit is positioned so that the convergence point of the emergent rays is symmetrical to the focal point of the lens (2) about the light reflecting surface (14).

3. The headlamp module according to claim 2, wherein the low-beam illumination unit comprises a low-beam light focusing element (31) and a low-beam light source (32) located at a first focal point of the low-beam light focusing element (31), and the high-beam illumination unit comprises a high-beam light focusing element (41) and a high-beam light source (42) located at a first focal point of the high-beam light focusing element (41); the second focal point of the low beam condensing element (31) coincides with the focal point of the lens (2), and the second focal point (43) of the high beam condensing element (41) is symmetrical to the focal point of the lens (2) about the light reflecting surface (14).

4. The headlamp module as claimed in claim 3, wherein the low beam condensing element (31) and the high beam condensing element (41) are each an ellipsoidal reflector, and the low beam light source (32) and the high beam light source (42) are respectively located at a first focal point of the ellipsoidal reflector.

5. The headlamp module as claimed in claim 3, wherein at least one of the low beam condensing element (31) and the high beam condensing element (41) is a condenser, and the low beam light source (32) and the high beam light source (42) are respectively located at a focal point of an incident end of the corresponding condenser.

6. The headlamp module according to any of claims 2-5, wherein the low beam illumination unit and the high beam illumination unit are positioned such that the respective outgoing light rays are both outgoing via a lower region of the lens (2).

7. The headlamp module according to any of claims 3-5, further comprising a heat sink (5), wherein the heat sink (5) is connected to a circuit board for mounting the low beam light source and the high beam light source.

8. The headlamp module according to any of claims 3-5, wherein the low beam light source (32) and the high beam light source (42) are LED light emitting chips, OLED light emitting chips, or laser based light emitting chips.

9. A vehicle lamp, characterized in that it comprises a headlamp module according to any of claims 2 to 8.

10. A vehicle characterized by comprising the lamp according to claim 9.