CN102954421A - Lamp of vehicle and control method thereof - Google Patents
Lamp of vehicle and control method thereof Download PDFInfo
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- CN102954421A CN102954421A CN2012102916329A CN201210291632A CN102954421A CN 102954421 A CN102954421 A CN 102954421A CN 2012102916329 A CN2012102916329 A CN 2012102916329A CN 201210291632 A CN201210291632 A CN 201210291632A CN 102954421 A CN102954421 A CN 102954421A
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- light
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- light shield
- vehicle lamp
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Abstract
The utility model provides a lamp of vehicle and the control method thereof. The lamp comprises a lens for light to pass through, a light source arranged at the rear portion of the lens to generate light, a reflector for reflectig the light generated by the light source and making the light pass through the focus of the lens, and a light shield arranged at the focus of the lens and introducing an area to form a plane with the bar-shaped lamp body as the rotating shaft. The method for controlling the lamp of vehicle comprises the following steps: utilizing a vehicle induction portion to sense whether there exist other vehicles; determining whether to start the light shield or not according to the sensing result of the above step; and forming an L-shaped light beam with the light shield. The lamp of the utility model can change the shape of the light shield, integrates the high beam and the low beam into one body, and is capable of adjusting the diffusing direction of the light by rotating the light shield. The lamp control method of the utility model ensures the visual field of the drivers on the opposite lane and ensures the safety of two parties and ensures the clear vision of the drivers at the opposite lane when the state is changed.
Description
Technical field
The present invention relates to a kind of vehicle lamp and control method thereof.
Background technology
Generally, automobile is when night running, for the things of seeing travel direction clearly is taked illumination measures or utilized illumination apparatus to notify other vehicles or give the transport condition of other road users oneself.Headlight (head lamp) is the illuminating lamp that illuminates the running car road ahead, and its brightness requirement is vehicle at night when travelling, and determines the existence of the road barricade thing of the place ahead 100 m.There is different standards in each country of the specification of headlight, especially still keeps left (right hand drive) according to keep to the right (left handle drive), and the direction of illumination setting of headlight light beam is also different.
Automotive headlamp generally is mainly used in seeing clearly the illumination functions of the other side's things, and notifying in addition in addition other vehicles or giving the transport condition of other road users oneself is the functions such as indication, signal, warning function and decoration of purpose.
Headlight mainly uses bulb (Bulb) as a kind of light source, but the life-span of bulb is short, a little less than the resistance to impact.Light Emitting Diode) or organic light emitting diode (OLED: Organic Light Emitting Diode) become a kind of trend as light source adopted in recent years high-brightness LED lamp (LED:.
Head lamp of vehicle must be guaranteed opposite driver's clear visual field.For this reason, need a kind of situation that exists of vehicle that can the perception opposite carriageway, and the method for high beam etc. is closed in corresponding in time prompting.
Summary of the invention
For problems of the prior art, reduce a kind of vehicle lamp and the control method thereof of merogenesis sense when the invention provides state variation.
The invention provides a kind of vehicle lamp, comprising: the lens that light is passed through; Be placed on the light source of the generation light at lens rear portion; The reflector of the light that reflection source produces and process lens focus; And, be placed on the focus of lens, take the bar shaped lamp body as rotating shaft, introduce a zone and form the light shield on plane.The lens that light is passed through produce the light source of light
The present invention also provides a kind of vehicle lamp control method, comprising: utilize the vehicle induction part perception stage of other automobile storage whether; Whether start the stage of light shield according to the existence of the vehicle that perceives; And light shield forms the stage of L shaped beam pattern.
The invention has the advantages that:
The vehicle lamp that the present invention proposes can change the form of light shield, makes high beam and dipped headlights form one.
The direction of dispersing that the vehicle lamp that the present invention proposes can be regulated light by the mode of rotation light shield.
The vehicle lamp that the present invention proposes is regulated beam pattern by rotation, reduces the time merogenesis sense in the change procedure.
The visual field that the control method of the vehicle lamp that the present invention proposes is guaranteed driver on the opposite carriageway ensures both sides' safety.
The driver's gets a clear view on the opposite carriageway when control method of the vehicle lamp that the present invention proposes is guaranteed the state conversion.
Description of drawings
Fig. 1 is the structure perspective view of one embodiment of the invention vehicle lamp;
Fig. 2 is the side view of one embodiment of the invention vehicle lamp light shield;
Fig. 3 a is that one embodiment of the invention is according to the drawing of the beam pattern shown in the state of vehicle lamp light shield;
Fig. 3 b is that one embodiment of the invention is according to the drawing of the beam pattern shown in the state of vehicle lamp light shield;
Fig. 3 c is that one embodiment of the invention is according to the drawing of the beam pattern shown in the state of vehicle lamp light shield;
Fig. 3 d is that one embodiment of the invention is according to the drawing of the beam pattern shown in the state of vehicle lamp light shield;
Fig. 3 e is that one embodiment of the invention is according to the drawing of the beam pattern shown in the state of vehicle lamp light shield;
Fig. 4 a is the control method precedence diagram of one embodiment of the invention vehicle lamp;
Fig. 4 b is the control method precedence diagram of one embodiment of the invention vehicle lamp;
Fig. 5 is the block diagram of one embodiment of the invention vehicle lamp structure.
Among the figure:
110: light source 120: reflector
130: lens 140: light shield
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
Fig. 1 is the optical module profile of the vehicle lamp 100 shown in one embodiment of the invention.Vehicle lamp 100 among this embodiment comprises: the lens 130 that light is passed through; Be placed on the light source 110 of the generation light at lens 130 rear portions; The light that reflection source 110 produces also makes light through the reflector 120 of lens 130 focuses; And, be placed on the focus of lens 130, take the bar shaped lamp body as rotating shaft, introduce a zone and form the light shield 140 on plane.
Lens 130 can be non-spherical lenses.Lens 130 can form the incidence surface that receives light and the face of emitting light.The incidence surface that lens 130 receive light can be the plane--the single face non-spherical lens.The exiting surface that lens 130 are emitted light can be aspheric surface.Lens 130 can be formed by transparent optical materials such as glass or plastics, but are not restricted to these materials.
Lens 130 can be placed on a zone of reflector 120.For example, in two peristomes that lens 130 and reflector 120 are formed through, can be placed on the larger peristome of diameter, but be not limited to its form.
Lens 130 can refract light.Lens 130 can the light of incident reflects to reflecting from reflector 120.Lens 130 can be concentrated light and diffuse to the outside.Lens 130 receive the light that produces from light source 110, and improve luminous flux (Luminous flux) and launch.Lens 130 are from light source 110 straightline propagation incident lights.
Light source 110 can be placed on reflector 120 inside.Light source 110 can be placed on the recess of reflector.Light source 110 can access power supply from the outside.Light source 110 provides light for reflector 120.
For example, light source 110 can be to comprise light emitting diode (LED: the Light Emitting Diode) light-emitting element assembly of (not shown).
(LED: Light Emitting Diode) (not shown) can utilize the semiconducting compound characteristic to light emitting diode, and the signal of telecommunication is converted to infrared light, visible light or other forms of light.The lead frame (not shown) of light emitting diode (not shown) and light-emitting element assembly (not shown) can be electrically connected.
Light emitting diode (not shown) can pass through ray structure (not shown) and form in substrate (not shown) growth.In order to make easily heat release of light emitting diode (not shown), substrate (not shown) can be formed by the high carborundum of heat conductivity (SiC) etc., but is not limited to this.
Ray structure (not shown) can form at substrate (not shown).Ray structure (not shown) can be formed by the first semiconductor layer (not shown), active layer (not shown) and the second semiconductor layer (not shown) stack.
The first semiconductor layer (not shown), active layer (not shown) and the second semiconductor layer (not shown) can form in the following manner.For example, Metalorganic chemical vapor deposition method (MOCVD; Metal Organic Chemical Vapor Deposition), chemical vapour deposition technique (CVD; Chemical Vapor Deposition), plasma enhanced chemical vapor deposition method (PECVD; Plasma-Enhanced Chemical Vapor Deposition), molecular line flop-in method (MBE; Molecular Beam Epitaxy), hydride chemical vapour deposition (HVPE; Hydride Vapor Phase Epitaxy) method such as, and and not only be confined to above method.
The doping content of the conductive dopant in ray structure (not shown) the first semiconductor layer (not shown) and the second semiconductor layer (not shown) can be even or inhomogeneous, but all it doesn't matter.Because the interlayer structure of ray structure (not shown) can be multi-form, be not limited to this.
There is radiator structure at the back side of being used as the light emitting diode (not shown) of light source 110 uses, does not therefore need heat-resisting requisite space.Explanation here is only to be appreciated that the tradesman that technology of the present invention consists of all can change enforcement at an easy rate at the back mounted heat radiation stitch of light emitting diode (not shown) and radiator fan a bit, and therefore concrete drawing or explanation no longer be provided.
Light source 110 provides light can for the reflecting surface of reflector 120.In addition, light source 110 can provide light for lens 130.The light that light source 110 provides reflexes to lens 130 by reflector 120.
Reflector 120 can comprise parabola.For example, reflector 120 can form paraboloid or hemispherical, but is not limited to this.The bottom of reflector 120 is not identical with upper width, and the cross section of side can be parabolic shape, but is not limited to this.Reflector 120 can possess the inner space, can be two parts that are interconnected.Two peristomes that reflector 120 is interconnected can form point-blank mutually, and the diameter of two peristomes can be different.Reflector 120 can form at the inner-wall spraying reflecting material, can be the metal that self has high reflectance also, but be not limited to this.For example, reflector 120 inside can spray one deck aluminium (Al), but also are not limited to this.
Reflector 120 can receive from light source 110 and obtain light.Reflector 120 can reflect the light utilization parabola from light source 110 incidents.Reflector 120 utilizes parabolic to lens 130 direction reverberation.
Such as Fig. 2, it is C pattern (C), E pattern (E), P pattern (P), L pattern (L), H pattern (H) that light shield 140 forms the adjusting beam pattern by rotation.
C pattern (C) is adapted at travelling on the backroad or not having special circumstances, selects this pattern when not having specially suitable beam pattern.C pattern (C) and general dipped headlights (low-beam) relatively, this pattern improves the pattern of light quantity in the situation in the visual field of guaranteeing the track, opposite.
E pattern (E) is fit to automobile at super expressway or keeps the beam pattern that the road of very long line interval travels.E pattern (E) has the long a little characteristics in the remote visual field, the place ahead than C pattern (C).
H pattern (H) is the beam pattern that illuminates remote high beam, does not use when suitable the place ahead has to travel on the super expressway of vehicle.
P pattern (P) has the light that vehicle lamp is upwards dispersed to be cut off, and plays the beam pattern of dipped headlights function.Can not block the travel driver's that comes the visual field of opposite carriageway with this pattern.
L pattern (L) is appended to light beam in the light of dispersing downwards, and the light of dispersing to the left above the cut-out forms the L-type beam pattern.L pattern (L) can be cut off the light of dispersing to opposite carriageway, and guarantees getting a clear view of Vehicle Driving Cycle track.
Automobile is necessary to switch adjustable beam pattern according to the running environment of multiple direction.
Be illustrated in the beam pattern figure that vehicle lamp 100 forms under different light shields 140 states among Fig. 3 a to Fig. 3 e.
Such as Fig. 3 a, vehicle lamp 100 can form C pattern (C) beam pattern.
The part that light shield 140 forms the plane can face lens 130 directions, and can be mounted to a little position of inclination.Reflect through the top of reflector 120 from the light of light source 110 emissions, when passing through the focus of lens 130, pass through in light shield 140 former states, make vehicle lamp 100 downward diverging lights.And the light that reflects from the bottom of reflector 120 during through light shield 140, only cuts off a part of light and guarantees relatively getting a clear view to the track.
Such as 3b, vehicle lamp 100 can form H pattern (H) beam pattern.
Such as 3c, vehicle lamp 100 can form L pattern (L) beam pattern.
The part that light shield 140 protrudes can be installed in the upper end of vehicle lamp 100.At this moment a zone on light shield 140 left sides can be protruded.It is the form of a semicircle that light shield 140 is observed in the left side, and observing from the right side then is 90 ° of angle fan shapes.The projection of light shield 140 can cut off the upwards left field of diverging light.Light shield 140 can cut off the light that vehicle lamp 100 shines the driver's seat direction of the vehicle of coming from opposite carriageway.
Such as Fig. 3 d, vehicle lamp 100 can form P pattern (P) beam pattern.
The part that light shield 140 forms the plane can face the bottom of vehicle lamp 100.From the light that the bottom of reflector 120 is reflected, when seeing through the focus of lens 130, light shield 140 can cut off the light that shines lens 130 upper ends comprehensively.Light shield 140 makes vehicle lamp 100 play the effect of dipped headlights (low beam).
Such as Fig. 3 e, vehicle lamp 100 can form E pattern (E) beam pattern.
The part that light shield 140 forms the plane can face reflector 120.At this moment the part of light shield 140 formation curvature can be positioned at towards the position of lens 130.Light shield 140 cuts off and is reflected body 120 reflections, is provided to a part of light of lens 130 upper ends.
Fig. 4 a and Fig. 4 b are the control method precedence diagrams of vehicle lamp in the embodiments of the invention, and Fig. 5 is the concept map of vehicle lamp.
Such as Fig. 4 a, Fig. 4 b and Fig. 5, the control method of the vehicle lamp of this embodiment comprises: whether above-mentioned vehicle exists the stage (S110) of other vehicles by 220 perception of vehicle sense part, start the stage (S120) of light shield whether according to the automobile storage of perception, calculate the stage (S130) of the vehicle location of perception, position corresponding to vehicle, the stage of the optical axis of move left and right vehicle lamp (S140), and light shield forms the stage (S150) of L-type beam pattern.
According to the control method of the vehicle lamp of embodiment be by 220 perception of vehicle sense part have or not other vehicles stage (S110) in whether have other vehicles by 220 perception of vehicle sense part.
The above-mentioned stage (S110) if in opposite carriageway do not have to exercise the vehicle come, then vehicle lamp can be upwards irradiation of light.
The above-mentioned stage (S110) if in opposite carriageway exercise other vehicles of coming, vehicle sense part 220 can transmit signals to control part 260.
According to the situation that exists of perception vehicle, start in the stage (S120) of light shield, control part 260 can transmit signal to light shield drive division 240.Light shield drive division 240 can drive the light shield (not diagram) of optical module 210.Optical module 210 can make the light of dispersing not shine the vehicle upper end of the vehicle drive seat that travels from opposite carriageway.For example, optical module 210 can use P pattern (P).
Optical module 210 can comprise light source shown in Figure 1 110, reflector 120, lens 130 and light shield 140.Optical module 210 carries out the beam pattern change by light source 110 utilizing emitted lights by light shield 140.
According to the situation that exists of perception vehicle, start after stage, (S120) finished of light shield, can drive the stage 150 of removing light shield.
Light shield formed in the stage (S150) of L-type beam pattern, and behind the optical axis of adjusting optical module 210, control part 260 can transmit signals to light shield drive division 240 in the above-mentioned stage (S140).Control part 260 transmits the signal of change light shield (not shown) state to light shield drive division (240).The state of light shield drive division (240) change light shield (not shown) makes optical module (210) form the L-type beam pattern.Optical module (210) forms the L-type beam pattern, guarantees to keep clear from the Vehicular visual that opposite carriageway is travelled.Vehicle lamp forms the L-type beam pattern, the visual field that can guarantee Vehicle Driving Cycle track state, the visual field of guaranteeing simultaneously the driver of the vehicle of coming from opposite carriageway.
Such as Fig. 4 b, according to the situation that exists of the vehicle that perceives, start after stage, (S120) finished of light shield, also can comprise: calculate the stage of perception vehicle location (S130); Corresponding to the position of vehicle, the stage of the optical axis of move left and right vehicle lamp (S140).
Perception vehicle was carried out in the stage (S130) of position calculation, and position calculation section 230 can calculate the position of other vehicles that travel from opposite carriageway.Position calculation section 230 can transmit signal to control part 260.Position calculation section 230 can be scaled signal form to other vehicle distances of travelling from opposite carriageway and transmit to control part 260.
Corresponding to the position of vehicle, in the stage (S140) of the optical axis of move left and right vehicle lamp, control part 260 is corresponding to the signal that receives from position calculation section 230, and drive division 250 transmits signals to the left and right.The direction of the vehicle that left and right sides drive division 250 travels for fear of the light direct irradiation from opposite carriageway can be regulated the optical axis of optical module 210, thereby has guaranteed the getting a clear view of driver of opposite carriageway vehicle, has ensured safety each other.
The control device of carrying out the control method of above-mentioned vehicle lamp comprises optical module 210, vehicle sense part 220, position calculation section 230, light shield drive division 240, left and right sides drive division 250 and control part 260.
Optical module 210 shines light, and the beam pattern of regulation can be provided to vehicle front.
The above embodiment is the preferred embodiment that proves absolutely that the present invention lifts, and protection scope of the present invention is not limited to this.Being equal to that those skilled in the art do on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a vehicle lamp is characterized in that, comprising:
The lens that light is passed through;
Be placed on the light source of the generation light at said lens rear portion;
Reflect the light of above-mentioned light source generation and make light through the reflector of said lens focus; And
Be placed on the focus of said lens, take the bar shaped lamp body as rotating shaft, introduce a zone and the light shield on formation plane.
2. vehicle lamp according to claim 1 is characterized in that,
Protrude in above-mentioned light shield one zone.
3. vehicle lamp according to claim 2 is characterized in that,
One zone, left side of above-mentioned light shield is protruded and is formed L shaped beam pattern.
4. vehicle lamp according to claim 1 is characterized in that,
Above-mentioned light shield is along with the rotation regulating illumination is penetrated scope.
5. vehicle lamp according to claim 1 is characterized in that,
360 ° of rotations of above-mentioned light shield.
6. the control method of a vehicle lamp is characterized in that, comprising:
Utilize the existence whether stage of other vehicles of vehicle induction part perception;
Whether start the stage of light shield according to the existence of the above-mentioned vehicle that perceives; And
Light shield forms the stage of L shaped beam pattern.
7. the control method of vehicle lamp according to claim 6 is characterized in that, after whether the existence according to the above-mentioned vehicle that perceives starts the stage of light shield, also comprises:
The stage of the vehicle location that the calculating said sensed arrives; And
Corresponding to the position of above-mentioned vehicle, the stage of the optical axis of move left and right vehicle lamp.
8. the control method of vehicle lamp according to claim 6 is characterized in that,
Above-mentioned vehicle sense part comprises camera.
9. the control method of vehicle lamp according to claim 6 is characterized in that,
The perception of above-mentioned vehicle sense part is from the up vehicle that approaches of opposite carriageway.
10. the control method of vehicle lamp according to claim 6 is characterized in that,
Above-mentioned light shield forms the process of L shaped beam pattern, cuts off the light of the vehicle lamp of the direction of traffic of travelling from opposite carriageway.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0082314 | 2011-08-18 | ||
| KR1020110082315A KR101430189B1 (en) | 2011-08-18 | 2011-08-18 | Control method of a vehicle lamp |
| KR10-2011-0082315 | 2011-08-18 | ||
| KR1020110082314A KR20130019984A (en) | 2011-08-18 | 2011-08-18 | Lamp of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102954421A true CN102954421A (en) | 2013-03-06 |
| CN102954421B CN102954421B (en) | 2018-04-17 |
Family
ID=47763584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210291632.9A Active CN102954421B (en) | 2011-08-18 | 2012-08-16 | Vehicle lamp and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102954421B (en) |
Cited By (7)
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| CN104842863A (en) * | 2014-12-15 | 2015-08-19 | 北汽福田汽车股份有限公司 | Regulation device of high-beam light of automobile, and automobile with regulation device |
| CN105020652A (en) * | 2015-07-23 | 2015-11-04 | 安徽卡澜特车灯科技有限公司 | High-efficiency LED (Light-Emitting Diode) dual chip high-low beam integrated automobile headlamp module |
| CN106838754A (en) * | 2015-12-03 | 2017-06-13 | 深圳市光峰光电技术有限公司 | Vehicle light illumination system and its driving method |
| CN107044605A (en) * | 2017-02-17 | 2017-08-15 | 刘运华 | A kind of balcony Novel LED light |
| WO2017181958A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳市光峰光电技术有限公司 | Illumination device and vehicle headlamp device |
| CN108730914A (en) * | 2018-05-31 | 2018-11-02 | 芜湖众梦电子科技有限公司 | The automobile shading cover that high beam influences when a kind of decrease meeting |
| TWI774279B (en) * | 2021-03-19 | 2022-08-11 | 誠益光電科技股份有限公司 | Adaptive vehicle headlight |
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| CN105020652A (en) * | 2015-07-23 | 2015-11-04 | 安徽卡澜特车灯科技有限公司 | High-efficiency LED (Light-Emitting Diode) dual chip high-low beam integrated automobile headlamp module |
| CN105020652B (en) * | 2015-07-23 | 2017-09-19 | 安徽卡澜特车灯科技有限公司 | High efficiency LED dual chip distance-light all-in-one car headlight modules |
| CN106838754B (en) * | 2015-12-03 | 2021-02-09 | 深圳市绎立锐光科技开发有限公司 | Vehicle lamp lighting system and driving method thereof |
| CN106838754A (en) * | 2015-12-03 | 2017-06-13 | 深圳市光峰光电技术有限公司 | Vehicle light illumination system and its driving method |
| WO2017181958A1 (en) * | 2016-04-20 | 2017-10-26 | 深圳市光峰光电技术有限公司 | Illumination device and vehicle headlamp device |
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| CN107044605A (en) * | 2017-02-17 | 2017-08-15 | 刘运华 | A kind of balcony Novel LED light |
| CN107044605B (en) * | 2017-02-17 | 2019-08-02 | 林鑫通 | A kind of balcony Novel LED light |
| CN108730914B (en) * | 2018-05-31 | 2020-10-09 | 亳州易泽信息科技有限公司 | Automobile lens hood for weakening influence of high beam during meeting |
| CN108730914A (en) * | 2018-05-31 | 2018-11-02 | 芜湖众梦电子科技有限公司 | The automobile shading cover that high beam influences when a kind of decrease meeting |
| TWI774279B (en) * | 2021-03-19 | 2022-08-11 | 誠益光電科技股份有限公司 | Adaptive vehicle headlight |
| US11970235B2 (en) | 2021-03-19 | 2024-04-30 | Chian Yih Optotech Co., Ltd. | Adaptive vehicle headlight |
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