CN210891448U

CN210891448U - High beam module, car light and vehicle

Info

Publication number: CN210891448U
Application number: CN201921964165.5U
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: 2020-06-30
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to an automobile lighting system discloses a far-reaching headlamp module, including far-reaching headlamp optical assembly, speculum, collimating optical device and actuating mechanism, the partial emergent ray of far-reaching headlamp optical assembly can direct directive collimating optical device, and warp collimating optical device throws and forms first illumination light shape, and another partial emergent ray of far-reaching headlamp optical assembly can the directive the speculum, by the speculum reflects extremely collimating optical device, warp collimating optical device throws and forms second illumination light shape, first illumination light shape with second illumination light shape can superpose each other and form far-reaching headlamp light shape, actuating mechanism can adjust the speculum with collimating optical device's relative distance or relative angle are in order to adjust the illumination angle of far-reaching headlamp. Furthermore, the utility model also discloses a car light and vehicle. The utility model discloses a high beam module can adjust the illumination angle of high beam according to the user's demand.

Description

High beam module, car light and vehicle

Technical Field

The utility model relates to an automotive lighting system specifically relates to a high beam module, car light and vehicle.

Background

The driver traveles in the environment of dark night, often can open the far-reaching headlamp of car, the far-reaching headlamp shines the angle height, the distance of shining is far away, can see more wide scope, thereby be favorable to mastering the place ahead road conditions better, but, on the one hand to the opposite vehicle of the vehicle of opening the far-reaching headlamp, the highlight shine by the far-reaching headlamp can make the driver dazzling, thereby can't see the road conditions clearly, easily take place the traffic accident, on the other hand the far-reaching headlamp has the condition that luminance and angle can't carry out suitable regulation according to the actual environment condition, lack the flexibility to the environmental adjustment.

Referring to fig. 1, in prior art's far-reaching headlamp module, the diverging light that anti-light cup 2b sent the light source is directly directive lens 1a after assembling, throw away formation far-reaching headlamp by lens 1a again, the far-reaching headlamp shape of formation refers to fig. 2, can see out by fig. 2, at prior art's far-reaching headlamp module, the illumination angle of the unable regulation far-reaching headlamp, and the illumination angle below the lightest zone of the far-reaching headlamp shape of formation is too big, can lead to the road surface in the front of the vehicle to be too bright, arouse driver's discomfort.

In view of the above, it is desirable to provide a new technical solution to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the first aspect will be solved provides a high beam module, and this high beam module can adjust the illumination angle of high beam according to user's demand.

The utility model discloses the technical problem that the second aspect will be solved provides a car light, and this car light can be according to the illumination angle of user's demand regulation distance light.

The utility model discloses the technical problem that the third aspect will be solved provides a vehicle, and this vehicle can be according to the illumination angle of user's demand regulation distance light.

In order to achieve the above object, the utility model provides a high beam module, including high beam optical assembly, speculum, collimating optics and actuating mechanism, high beam optical assembly's part outgoing ray can direct directive collimating optics, and warp collimating optics throws and forms first illumination light shape, and another part outgoing ray of high beam optical assembly can directive the speculum, by the speculum reflection extremely collimating optics, warp collimating optics throws and forms second illumination light shape, first illumination light shape with second illumination light shape can superpose each other and form high beam light shape, actuating mechanism can adjust the speculum with collimating optics's relative distance or relative angle are in order to adjust the illumination angle of high beam.

As a specific structure form, the driving mechanism can drive the reflecting mirror to move back and forth along the optical axis direction of the collimating optical device, wherein when the reflecting mirror moves to the standard position, the front end of the reflecting mirror is located in the focal region of the collimating optical device.

As another specific structure form, the driving mechanism can drive the mirror to rotate by taking the rear end of the mirror as a rotating shaft, and when the mirror rotates to a standard position, the front end of the mirror is located in the focal region of the collimating optics.

Specifically, the high beam optical assembly includes a condensing element and a light source located at a first focal point of the condensing element, and a focal point of the collimating optics is located at a second focal point of the condensing element.

Preferably, the light-gathering element is an ellipsoidal reflecting cup or a light-gathering device.

Preferably, the reflecting mirror is a plane mirror or a curved mirror, and the front end of the reflecting mirror is a straight line or a curve.

Specifically, the high beam module still includes the circuit board that is used for installing the light source, be equipped with the radiator on the circuit board.

Preferably, the high beam module further comprises a high beam real-time adjustment control system connected with the driving mechanism, the high beam real-time adjustment control system comprises a speed measuring unit, an image acquisition unit and a control unit, and the driving mechanism, the speed measuring unit and the image acquisition unit are connected with the control unit.

The utility model discloses the second aspect provides a car light, including in the first aspect technical scheme arbitrary high beam module.

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

In the basic technical scheme of the utility model, part of the emergent light of the high beam optical component can directly irradiate the collimating optical device and form a first illumination light shape by the projection of the collimating optical device, and another part of emergent light of the high beam optical component can be emitted to the reflector, reflected to the collimating optical device by the reflector and projected by the collimating optical device to form a second illumination light shape, the first illumination light shape and the second illumination light shape can be mutually superposed to form a high beam light shape, so that the high beam brightness can be effectively improved, a higher high beam maximum illumination value can be obtained, the light below the brightest point of the high beam can be reflected to the upper side through the reflector, the downward irradiation angle of the high beam is reduced, and the phenomenon that the area close to the vehicle is too bright, so that the driver is uncomfortable, and the actual use requirement of the high beam is better met; in addition, the relative position of the reflector and the collimating optical device is adjusted, so that the illumination light shape of the high beam and the illumination angle of the high beam can be adjusted, and the requirements of different road conditions on high beam illumination are met.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The following drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the scope of the invention to the drawings and the embodiments described below. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of a high beam module and a schematic optical path diagram of the high beam module in the prior art;

FIG. 2 is a diagram of the illuminance of a high beam screen of an embodiment of a high beam module in the prior art;

fig. 3 is a schematic structural diagram of an embodiment of the high beam module according to the present invention;

fig. 4 is a schematic light path diagram of an embodiment of the high beam module according to the present invention;

fig. 5 shows a first illumination light pattern when the reflector of the high beam module of the present invention is moved to the standard position;

fig. 6 shows a second illumination light pattern when the reflector of the high beam module of the present invention is moved to the standard position;

fig. 7 is a far-beam screen illuminance diagram of the far-beam module according to the present invention when the reflector is moved to the standard position;

fig. 8 is a far-beam screen illuminance diagram of the reflector in the high-beam module of the present invention moving backward by 2mm from the standard position;

fig. 9 is a far-beam screen illuminance diagram of the reflector in the high-beam module of the present invention moving backward 5mm from the standard position;

fig. 10 is a far-reaching screen illuminance diagram of the high-reaching headlamp module according to the present invention, in which the reflector is moved forward by 2mm from the standard position.

Description of the reference numerals

1 collimating optics 2 light-concentrating element

3 reflector 4 light source

5 circuit board 6 radiator

7 support

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

In the description of the present invention, it should be explained that, along the light emitting direction, "front" means the end where the collimating optical device 1 is located, "back" means the end where the light source 4 is located, "front", "back" and other indicated position relations are based on the position relation shown in the drawings, and only for the convenience of description the present invention discloses and simplifies the description, the present invention discloses in "the light emitting light path" means the light path of the main transmission direction after the light is gathered through the condensing element 2. In the utility model, the ellipsoidal reflecting cup is a traditional ellipsoidal reflecting surface, i.e. has two focuses, the light source 4 is generally arranged at the first focus of the ellipsoidal reflecting cup, and the light emitted by the light source 4 is reflected by the reflecting cup and then converged to the second focus; the condenser is provided with focuses at the incident end and the emergent end, the focus at the incident end of the condenser is a first focus, and the focus at the emergent end of the condenser is a second focus. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 3 and 4, the high beam module according to the basic embodiment of the present invention includes a high beam optical assembly, a reflector 3, a collimating optical device 1 and a driving mechanism, wherein the collimating optical device 1 may be a lens assembly composed of a plurality of lenses; or a lens group consisting of a lens and a paraboloid-shaped reflector; or a common plano-convex, biconvex lens. The high beam optical assembly provides light rays for the high beam module, part of emergent light rays of the high beam optical assembly can directly irradiate the collimating optical device 1, and the collimating optical device 1 projects the received light rays to the light screen to form a first illumination light shape; another part outgoing light of distance light optical assembly is to speculum 3, reflect to collimating optical device 1 by speculum 3, collimating optical device 1 projects received light to the optical screen, form second illumination light shape, first illumination light shape and second illumination light shape can superpose each other and form the distance light shape, the superpose forms the distance light shape and can effectively improve distance light luminance, obtain the biggest illuminance value of higher distance light, moreover, speculum 3 can reflect the light of the biggest highlight below of distance light to the top, reduce the illumination angle of distance light to the down, the region of avoiding being close to the vehicle is too bright. The driving mechanism in the high beam module can adjust the relative distance or relative angle between the reflector 3 and the collimating optical device 1 so as to adjust the illumination angle of the high beam, and the driving mechanism can be manually controlled and also can be automatically controlled by a real-time adjustment control system.

As a specific structural style, the driving mechanism can drive the reflecting mirror 3 to move back and forth along the optical axis direction of the collimating optical device 1, wherein a power device of the driving mechanism can be a servo motor, a gear is arranged on an output shaft of the servo motor, a rack is arranged on the reflecting mirror 3, the reflecting mirror 3 can be moved back and forth through gear and rack transmission, a user can drive the reflecting mirror 3 to move back and forth through forward rotation and reverse rotation of the servo motor by manual control, and the irradiation angle and the light type of the high beam can be adjusted according to actual needs. When the reflector 3 moves to the standard position, that is, the reflector 3 is parallel to the optical axis and the front end of the reflector 3 is located in the focal region of the collimating optical device 1, the illumination angle of the high beam formed by the high beam module is the highest, and based on the forward and backward movement of the standard position, the illumination height of the high beam can be reduced and the beam shape of the high beam can be changed. Of course, the reflector 3 may be disposed obliquely and kept at the oblique angle to move forward and backward, so as to flexibly dispose the space structure of the high beam module.

As another kind of concrete structural style, actuating mechanism can drive speculum 3 and rotate for the rotation axis around this speculum 3's rear end, wherein, actuating mechanism's power device can be servo motor, and the servo motor output shaft is equipped with the gear, is equipped with the gear on the speculum 3, realizes the rotation to speculum 3 through the gear pair transmission, and the user can drive speculum 3's rotation through manual control servo motor's corotation reversal to adjust the angle and the light type of distance light. The reflecting mirror 3 moves to a standard position, namely the reflecting mirror 3 is parallel to the optical axis and the front end of the reflecting mirror 3 is positioned in the focal region of the collimating optical device 1, the illumination angle of the high beam formed by the high beam module is highest at the moment, and the high beam module can reduce the illumination height of the high beam and change the beam shape of the high beam based on the vertical rotation of the standard position.

Preferably, the high beam optical assembly includes a light condensing element 2 and a light source 4, the light source 4 is located at a first focal point of the light condensing element 2, a focal point of the collimating optical device 1 is located at a second focal point of the light condensing element 2, the light source may be an LED chip or an OLED chip, and when the light source is turned on, light is condensed near the second focal point of the light condensing element 2 through the light condensing element 2.

Specifically, the light condensing element 2 is an ellipsoidal reflecting cup, and the use of the ellipsoidal reflecting cup can make the high beam more uniform, or the light condensing element 2 can also use a light condenser.

Specifically, the reflector 3 is a plane mirror or a curved mirror, the plane mirror is easier to manufacture and has a simple structure, and the curved mirror is convenient for adjusting the emergent light shape of the high beam module for the second time; the front end of the reflector 3 is a straight line or a curve, and similarly, the reflector with the straight line front end has a simple structure, and the reflector 3 with the curve front end can adjust the emergent light shape of the high beam module.

Preferably, high beam module is still including being used for the installation circuit board 5 of light source 4, be equipped with radiator 6 on the circuit board 5, radiator 6 can improve circuit board 5's heat dispersion, avoids light source 4's high temperature, promotes light source 4's stability.

Preferably, the high beam module may further include a high beam real-time adjustment control system connected to the driving mechanism, the high beam real-time adjustment control system including a speed measurement unit, an image acquisition unit and a control unit, wherein the speed measurement unit is configured to acquire a real-time speed of the vehicle, a vehicle speed sensor may be used to acquire a vehicle speed, and the vehicle speed sensor is connected to the control unit through a CAN/LIN bus; the image acquisition unit is used for identifying vehicle information of road conditions in front of the vehicle, the image sensor CAN be used for acquiring objects around the vehicle and road condition information, the image sensor is connected with the control unit through the CAN/LIN bus, and the control unit controls the driving mechanism according to signals received from the speed measurement unit and the image acquisition unit, so that the irradiation angle of the high beam is adjusted. Through real-time adjustment control system, the utility model discloses a high beam module can further according to real-time speed of a motor vehicle, ambient light and shade, opposite vehicle and pedestrian's information, adjusts the angle of illumination and the luminance of high beam, has intellectuality, automatic control's advantage, has promoted the travelling comfort of driving, has reduced the probability that the accident took place.

Referring to fig. 3 and 4, the utility model discloses preferred embodiment's far-reaching headlamp module, including far-reaching headlamp optical assembly, speculum 3, collimation optical device 1, be used for installing support 7 and actuating mechanism of collimation optical device 1, wherein, far-reaching headlamp optical assembly includes anti-light cup and LED light source, and collimation optical device 1 can adopt plano-convex lens, and the far-reaching headlamp module is still including being used for installing circuit board 5 of light source 4, is equipped with radiator 6 on the circuit board 5. The light source 4 is arranged at a first focus of the reflection cup, the lens is arranged in the light path direction of emergent light of the reflection cup, the focus of the lens is superposed with a second focus of the reflection cup, the reflector 3 is superposed with the optical axis of the lens, a power device of the driving mechanism can be a servo motor, a gear is arranged on an output shaft of the servo motor, a rack is arranged on the reflector 3, and the reflector 3 can move back and forth through gear and rack transmission. In order to improve the comfort and the safety of driving, the high beam module still includes the real-time adjustment control system of high beam who is connected with actuating mechanism, the real-time adjustment control system of high beam includes speed measurement unit, image acquisition unit and the control unit, wherein speed measurement unit is used for gathering the real-time speed of vehicle, CAN gather vehicle speed through speed sensor, image acquisition unit is used for discerning this car the place ahead road conditions vehicle information, CAN gather object and road conditions information around the vehicle through image sensor, with speed sensor, image sensor passes through CAN/LIN bus and is connected with the control unit, the control unit is controlled servo motor according to the signal that receives from speed measurement unit and image acquisition unit, thereby adjust the angle of illumination of high beam. When a vehicle is detected to be in a high-speed driving state, the reflector 3 in the high beam module is in a standard position, that is, the reflector 3 is parallel to the optical axis and the front end of the reflector 3 is located in a focal region of the lens, at this time, the illumination angle of the high beam formed by the high beam module is the highest, part of the emergent beam of the high beam formed by the high beam module can directly irradiate the lens, the lens projects the received beam to the light screen to form a first illumination beam shape as shown in reference to fig. 5, the other part of the emergent beam of the high beam can irradiate the reflector 3, the reflector 3 reflects the beam to the lens, the lens projects the received beam to the light screen to form a second illumination beam shape as shown in reference to fig. 6, the first illumination beam shape and the second illumination beam shape can be overlapped to form the high beam shape as shown in reference to fig. 7, the high beam brightness can be effectively improved by overlapping to obtain a higher maximum illumination value of the high beam, moreover, the reflector 3 can reflect the light below the brightest point of the far light to the upper side, so that the downward irradiation angle of the far light is reduced, and the over-brightness of the area close to the vehicle is avoided; when the vehicle speed sensor and the image sensor detect that the vehicle speed is low or when a vehicle or a pedestrian is detected to face, the control system sends a signal to the servo motor, and the servo motor drives the reflector 3 to move back and forth based on the standard position, so that the illumination height of the high beam can be reduced and the light type of the high beam can be changed. Specifically, the high beam pattern formed when the mirror 3 moves backward by 2mm based on the standard position is referred to fig. 8, the high beam pattern formed when the mirror 3 moves backward by 5mm based on the standard position is referred to fig. 9, and the high beam pattern formed when the mirror 3 moves forward by 2mm based on the standard position is referred to fig. 10. As can be seen from fig. 7 to 10, by moving the mirror 3, the high beam type can be changed, the illumination angle of the high beam can be adjusted, and the projection height of the brightest area of the high beam can be changed. The utility model discloses an in the preferred embodiment, compare in the background art traditional high beam module, speculum 3 has been add, can make the light reflection of far-reaching light below the brightest point to the top, reduce far-reaching light irradiation angle downwards, the region of avoiding being close to the vehicle is bright, thereby lead to the driver to be uncomfortable, accord with the actual operation requirement of far-reaching light more, and, can adjust far-reaching light illumination light shape and shine the angle through removing speculum 3, furthermore, it can realize the automatic control to far-reaching light irradiation angle and far-reaching light type to set up the real-time adjustment control system of high beam, further promote the security that the road went and the travelling comfort of driving, effectively prevent that the driver from not in time switching the high beam and causing other road users's dazzling.

The utility model discloses the second aspect provides a car light, including the high beam module of any above-mentioned technical scheme, consequently have all beneficial effects that the technical scheme of above-mentioned high beam module brought at least, no longer give unnecessary details here.

The utility model discloses the third aspect provides a vehicle, including in the second aspect technical scheme the car light, consequently have at least all beneficial effects that the technical scheme of above-mentioned car light brought, no longer describe herein.

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. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for 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 high beam module is characterized by comprising a high beam optical component, a reflector (3), a collimating optical device (1) and a driving mechanism, part of the outgoing light rays of the high beam optical assembly can directly irradiate the collimating optical device (1) and form a first illumination light shape through the collimating optical device (1), and another part of emergent light rays of the high beam optical component can be emitted to the reflector (3), reflected to the collimating optical device (1) by the reflector (3) and projected to form a second illumination light shape by the collimating optical device (1), the first illumination light shape and the second illumination light shape can be overlapped with each other to form a high beam light shape, and the driving mechanism can adjust the relative distance or the relative angle between the reflector (3) and the collimating optical device (1) so as to adjust the illumination angle of the high beam.

2. The high beam module according to claim 1, characterized in that the driving mechanism is capable of driving the mirror (3) to move back and forth along the optical axis of the collimating optics (1), wherein when the mirror (3) is moved to the standard position, the front end of the mirror (3) is located in the focal area of the collimating optics (1).

3. The high beam module according to claim 1, characterized in that the driving mechanism is capable of driving the reflector (3) to rotate around the rear end of the reflector (3) as a rotation axis, and when the reflector (3) is rotated to a standard position, the front end of the reflector (3) is located in the focal region of the collimating optics (1).

4. A high beam light module according to any one of claims 1 to 3, characterized in that the high beam optical assembly comprises a light-concentrating element (2) and a light source (4), the light source (4) being located at a first focus of the light-concentrating element (2), and a focus of the collimating optics (1) being located at a second focus of the light-concentrating element (2).

5. The high beam lamp module as claimed in claim 4, wherein the light-gathering element (2) is an ellipsoidal reflector cup or a light-gathering device.

6. The high beam lamp module as claimed in claim 4, wherein said reflector (3) is a flat mirror or a curved mirror, and the front end of said reflector (3) is a straight line or a curve.

7. The high beam light module of claim 4, further comprising a circuit board (5) for mounting the light source (4), wherein a heat sink (6) is disposed on the circuit board (5).

8. The high beam light module according to claim 4 to said, characterized in that said high beam light module further comprises a high beam light real-time adjustment control system connected to said driving mechanism, said high beam light real-time adjustment control system comprises a speed measuring unit, an image collecting unit and a control unit, said driving mechanism, speed measuring unit and image collecting unit are connected to said control unit.

9. A vehicular lamp characterized by comprising the high beam module set according to any one of claims 1 to 8.

10. A vehicle comprising the lamp of claim 9.