CN209762933U - Far and near light integrated car lamp module - Google Patents
Far and near light integrated car lamp module Download PDFInfo
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- CN209762933U CN209762933U CN201920901300.5U CN201920901300U CN209762933U CN 209762933 U CN209762933 U CN 209762933U CN 201920901300 U CN201920901300 U CN 201920901300U CN 209762933 U CN209762933 U CN 209762933U
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- lamp module
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Abstract
the utility model relates to a vehicle lighting technology field discloses an integrative car light module of far and near light, the car light module passes through the light that the light source sent in succession in spin cycle and forms the far light, through with the light source is closed in every spin cycle's the angle scope of predetermineeing and is realized the passing light and switch over, and the rotation angle within range light source is not luminous should predetermine, and the light that sends in other angle scopes of spin cycle can form the near light illumination light shape that has specific light and shade stop line shape. The utility model provides a structure and far and near light switch mechanism of car light module are simple, and the light source high-usage.
Description
Technical Field
The utility model relates to a vehicle lighting technology field, concretely relates to integrative car light module of far and near light.
Background
The utility model discloses among the projection formula LED car far and near light optical lighting system that patent application 201510137921.7 provided, be provided with the anti-light cup that is used for the light reflection to the LED light source, be provided with the baffle that shelters from partial reflection of light in anti-light cup is to convex lens reflection of light is regional, it still is provided with the gliding power drive mechanism from top to bottom that is used for the baffle to correspond the baffle, slide from top to bottom through power drive mechanism control baffle and shelter from the light that throws to the vehicle driver that faces, the marginal shape of baffle makes the light beam shine and form light and shade cut-off line on the road surface.
in the integrative car light module of present distance passing light, realize that the passing light function needs shield the regional light of distance light, lead to the light energy loss of light source, and the light that is sheltered from still can lead to light screen and regional temperature in near sharply rising, puts forward higher requirement to mechanical structure's heat resistance. As an improvement, the utility model discloses be provided with the optics that correspond with the light source in the patent application 201510634463.8, like first device and second device, close the distance light through turning off the distance light source, avoided adopting the mode that the light screen switches to switch over the adverse effect that far and near light brought, but this kind of mode needs to set up near light source, distance light source and the optics that corresponds simultaneously for the structure of car light module is more complicated, cost-push. In addition, since the distance and near light sources share one lens, a clear boundary exists between the distance and near light illumination areas, that is, the distance light cannot cover the near light illumination area, which results in poor distance light illumination effect and low light source utilization rate.
SUMMERY OF THE UTILITY MODEL
the utility model aims at providing a simple structure, the integrative car light module of far and near light that the light source utilization ratio is high.
In order to achieve the above object, the present invention provides a high beam and low beam integrated vehicle lamp module, which comprises a light emitting unit, a heat sink, a motor and a lens;
The light-emitting unit is arranged on the radiator, the radiator is connected with a rotating shaft of the motor, and the motor drives the radiator and the light-emitting unit to rotate around the rotating shaft periodically;
The car lamp module continuously emits light in a rotation period through the light emitting unit to form high beam, and the low beam switching is realized by closing the light emitting unit in a preset angle range of each rotation period.
Preferably, the rotating shaft is deviated from the axis of the radiator;
And the intersection point of the straight line where the rotating shaft is located and the focal plane of the lens is regarded as the rotating center of the light-emitting unit, and the rotating center of the light-emitting unit is located at the focal point of the lens.
Preferably, when the light emitting unit is turned off within a preset angle range of each rotation period, light emitted by the light emitting unit is refracted by the lens to form a low beam with a controllable cut-off line shape.
Preferably, the rotation of the shaft has a minimum frequency of 50-80 Hz.
Preferably, the light-emitting unit statically emits light, and the light is refracted by the lens to form a basic light shape P.
preferably, a mirror and/or a transparent light guide is disposed between the light emitting unit and the lens.
Preferably, the light emitting unit is an LED light source or a laser light source.
Preferably, the vehicle lamp module further comprises a lens bracket for mounting the lens and a motor bracket for mounting the motor, and the lens bracket is connected with the motor bracket and encloses a cavity for accommodating the radiator.
Through the technical scheme, the light-emitting unit continuously emits light in the rotation period to form high beam, when the light-emitting unit is switched to be low beam, the light-emitting unit is turned off in the preset angle range of the rotation period, the light source does not emit light in the preset rotation angle range, and the light emitted in other angle ranges of the rotation period can form a low beam illumination light shape with a specific bright and dark cut-off line shape. The structure and the far and near light switching mechanism of the car lamp module are simple, a light screen is not required to be arranged, the stability of the far light shape and the near light shape is good, and the utilization rate of a light source is high.
Drawings
FIG. 1 is a schematic structural diagram of a vehicle lamp module;
FIG. 2 is a front view of the vehicle lamp module;
FIG. 3 is a cross-sectional view taken along line A-A of the lamp module shown in FIG. 2;
FIG. 4 is a schematic diagram of a base light shape P;
FIG. 5 is a schematic view of a high beam profile;
FIG. 6 is a schematic view of a first low beam light pattern;
FIG. 7 is a schematic view of a second low beam light pattern;
FIG. 8 is a light-emitting diagram of a reflector used in a lamp module;
FIG. 9 is a light extraction diagram of a vehicle lamp module using a transparent photoconductor;
description of the reference numerals
A light emitting unit 1; a radiator 2; a motor 3; a lens 4; a rotating shaft 5; a base light shape P; a cut-off line 6; a projection 7 of the center of rotation; a lens holder 8; a motor bracket 9; a mirror 10; a transparent light guide 11.
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.
As shown in fig. 1 to 3, the utility model provides an integrative car light module of distance light, this car light module includes luminescence unit 1, radiator 2, motor 3 and lens 4. The light-emitting unit 1 is installed on the radiator 2 as a light source, the radiator 2 is connected with a rotating shaft 5 of the motor 3, wherein the motor 3 drives the radiator 2 and the light-emitting unit 1 to rotate around the rotating shaft 5 in the circumferential direction. The heat sink 2 and the light emitting unit 1 mounted on the heat sink 2 rotate about the rotation shaft 5 once, i.e., rotate 360 ° for one rotation period.
The car light module is through the continuous luminous far-reaching headlamp that forms of light source in the rotation cycle, through with the light source is closed in the predetermined angle scope of every rotation cycle and is realized passing the light and switch. The light source continuously emits light in the rotation period to realize the high beam function, when the light source is switched to be near light, the light source is closed in the preset angle range of the rotation period, the light source does not emit light in the preset rotation angle range, and the light emitted in other angle ranges of the rotation period can form a near light illumination light shape with a specific light and shade cut-off line shape. This car light module need not to switch distance light and short-distance beam through the light screen, also need not to set up a plurality of light sources and optical device, the utility model discloses the structure of well car light module and distance and short-distance beam switching mechanism are simple, and distance light and short-distance beam illuminating effect are good, and the light shape is stable, and the light source high-usage.
Under the condition that satisfies the light-emitting requirement, predetermine the angle scope and can revolute 5 arbitrary angle scope at the rotation cycle for light-emitting unit 1.
One end face of the radiator 2 is used for mounting a light source circuit board, at least one light-emitting unit 1 is integrated on the light source circuit board, a control unit for controlling the light-emitting unit 1 in a time sequence on-off mode is arranged, and the other end face, opposite to the end face, of the radiator 2 is connected with a rotating shaft 5 of the motor 3. When the motor 3 is in a standby state, the rotating shaft 5 does not work, the radiator 2 and the light-emitting unit 1 are static, the static light-emitting of the light-emitting unit 1 is refracted by the lens 4 to form a basic light shape P as shown in fig. 4, and clear cut-off lines 6 are distributed at the edge of the light-emitting area of the basic light shape P.
According to a preferred embodiment of the present invention, the rotation axis 5 is deviated from the axis of the heat sink 2, the intersection point of the straight line where the rotation axis 5 is located and the focal plane of the lens 4 can be regarded as the rotation center of the light emitting unit 1, and the rotation center of the light emitting unit 1 is located at the focal point of the lens 4. The light emitting unit 1 rotates around the rotation center by a rotation angle of 360 ° per cycle.
according to a preferred embodiment of the present invention, when the light emitting unit 1 is turned off within the preset angle range of each rotation period, the light emitted from the light emitting unit 1 forms a low beam with a controllable cut-off line shape after being refracted by the lens 4. In each rotation period of the light emitting unit 1, by turning off the light emitting unit 1 in a preset rotation angle range and turning on the light emitting unit 1 in other angle ranges, the light emitting unit 1 does not emit light in the preset rotation angle range, and light emitted in other angle ranges is refracted by the lens 4 to form a low beam shape having a specific light and dark cut-off line shape. It should be noted that the preset angle range of the present invention can be any angle range of the light emitting unit 1 around the rotating shaft 5 in the rotating period, and exemplarily, the light emitting unit 1 is turned off in the range of 15 degrees to 180 degrees upward from the horizontal line in the rotating period, so that the near-light illumination light pattern with the cut-off line 6 can be formed as shown in fig. 6.
specifically, when the light emitting unit 1 rotates around its rotation center, the basic light shape P rotates accordingly, as shown in fig. 5, the rotation center of the light emitting unit 1 is projected on the middle point of the short side of the basic light shape P (i.e. the projection 7 of the rotation center shown in fig. 5), and in any one rotation period, the light continuously emitted by the light emitting unit 1 forms a circular light shape with the projection 7 of the rotation center as the center and the connecting line of the middle points of the two symmetrical short sides of the basic light shape P as the radius in the illumination area, and the circular light shape is the far-reaching light illumination light shape.
According to a specific embodiment, as shown in fig. 6, the rotation center of the light emitting unit 1 projects on the middle point of the short side of the basic light shape P, in each rotation period, the light emitting unit 1 emits light and rotates around the rotation center in the counterclockwise direction from the initial position of the horizontal line, when the light emitting unit 1 rotates to 15 degrees above the horizontal line, the light emitting unit 1 is turned off continuously in the range of 15 degrees to 180 degrees above the horizontal line in the whole rotation period, correspondingly, the basic light shape P rotates around the middle point connecting lines of two symmetrical short sides of the basic light shape P as a radius from the initial position with the projection 7 of the rotation center as a center until the light emitting unit 1 is turned off, and as the light emitting unit 1 rotates at a high speed, the light emitted by the light emitting unit 1 is refracted through the lens 4 to form the first low beam light shape shown in fig. 6.
According to another embodiment, as shown in fig. 7, the rotation center is projected on one vertex of the basic light shape P, i.e., the projection 7 of the rotation center shown in fig. 7, and when the light emitting unit 1 rotates around the rotation center and emits light, the second low beam light shape shown in fig. 7 is formed by turning off the light emitting unit 1 in another rotation angle range of the rotation period.
It should be noted that the shape of the cutoff line of the low beam shape is related to the off angle range of the light emitting unit 1 or the position of the rotation center, and the high beam shape or the low beam shape shown in fig. 5 to 7 is merely an example, and is not limited to the above shape in practical application.
According to a preferred embodiment of the present invention, the rotation of the shaft 5 has a minimum frequency of 50 to 80 hz. Under the drive of the motor 3, the rotating shaft 5 drives the radiator 2 and the light-emitting unit 1 on the radiator 2 to rotate at a high speed around the rotating shaft 5, so that the lighting light shape formed after the light emitted by the light-emitting unit 1 is refracted by the lens 4 also rotates at a high speed, and as the rotating frequency of the lighting light shape is generally not lower than 50 Hz and is greater than the frequency of the frame number recognizable by human eyes, the light shape with a specific light and shade cut-off line shape can be observed by a road user in a lighting area.
According to a preferred embodiment of the present invention, as shown in fig. 8 and 9, a reflective mirror 10 and/or a transparent light guide 11 is disposed between the light emitting unit 1 and the lens 4. Taking the transparent light guide body 11 as an example, the transparent light guide body 11 has an incident surface and an exit surface to guide light emitted from the light source from the incident surface to the exit surface, and then refracted by the lens 4 to form a basic light shape P.
According to a preferred embodiment of the present invention, the light emitting unit 1 is an LED light source or a laser light source. Preferably, the light emitting unit 1 is an LED chip, and the LED chip is packaged on the light source circuit board.
According to a preferred embodiment of the present invention, the lamp module further comprises a lens support 8 for mounting the lens 4 and a motor support 9 for mounting the motor 3. The lens holder 8 and the motor holder 9 are mechanically connected and enclose a cavity for accommodating the heat sink 2. The heat sink 2 and the light emitting unit 1 disposed on the heat sink 2 rotate around the rotation shaft 5 within the cavity.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.
Claims (8)
1. A high beam and low beam integrated car lamp module is characterized by comprising a light-emitting unit, a radiator, a motor and a lens;
The light-emitting unit is arranged on the radiator, the radiator is connected with a rotating shaft of the motor, and the motor drives the radiator and the light-emitting unit to rotate around the rotating shaft periodically;
The car lamp module continuously emits light in a rotation period through the light emitting unit to form high beam, and the low beam switching is realized by closing the light emitting unit in a preset angle range of each rotation period.
2. The lamp module as claimed in claim 1, wherein the shaft is offset from the axis of the heat sink;
And the intersection point of the straight line where the rotating shaft is located and the focal plane of the lens is regarded as the rotating center of the light-emitting unit, and the rotating center of the light-emitting unit is located at the focal point of the lens.
3. the lamp module as claimed in claim 1 or 2, wherein the minimum frequency of the rotation of the shaft is 50-80 hz.
4. The vehicle lamp module according to claim 3, wherein when the light emitting unit is turned off within the preset angle range of each rotation period, the light emitted by the light emitting unit is refracted by the lens to form a low beam shape with a controllable cut-off line shape.
5. The vehicle lamp module according to claim 1, wherein the static light emitted by the light emitting unit is refracted by the lens to form a basic light shape P.
6. The vehicle lamp module according to claim 5, wherein a reflector and/or a transparent light conductor is provided between the light emitting unit and the lens.
7. the vehicle lamp module according to claim 1, wherein the light emitting unit is an LED light source or a laser light source.
8. the lamp module of claim 1 further comprising a lens bracket for mounting the lens and a motor bracket for mounting the motor, the lens bracket being connected to the motor bracket and defining a cavity for receiving the heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920901300.5U CN209762933U (en) | 2019-06-14 | 2019-06-14 | Far and near light integrated car lamp module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920901300.5U CN209762933U (en) | 2019-06-14 | 2019-06-14 | Far and near light integrated car lamp module |
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| Publication Number | Publication Date |
|---|---|
| CN209762933U true CN209762933U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920901300.5U Active CN209762933U (en) | 2019-06-14 | 2019-06-14 | Far and near light integrated car lamp module |
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| CN (1) | CN209762933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145720A (en) * | 2019-06-14 | 2019-08-20 | 华域视觉科技(上海)有限公司 | The car light mould group of distance-light one |
-
2019
- 2019-06-14 CN CN201920901300.5U patent/CN209762933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145720A (en) * | 2019-06-14 | 2019-08-20 | 华域视觉科技(上海)有限公司 | The car light mould group of distance-light one |
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