CN102818207A - Headlight used for motor vehicle - Google Patents
Headlight used for motor vehicle Download PDFInfo
- Publication number
- CN102818207A CN102818207A CN2012102053451A CN201210205345A CN102818207A CN 102818207 A CN102818207 A CN 102818207A CN 2012102053451 A CN2012102053451 A CN 2012102053451A CN 201210205345 A CN201210205345 A CN 201210205345A CN 102818207 A CN102818207 A CN 102818207A
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- CN
- China
- Prior art keywords
- light
- light source
- shield element
- cover
- headlamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/692—Shields, i.e. screens not creating an image meant to be projected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to a headlight used for motor vehicles. The headlight has a lamp unit (1) comprising a reflector (7) and a lighting unit (4) with a high beam-light source (6), wherein the lighting unit is position in an axis (Ax). A movable covering element (11) is attached to the lighting unit and adjusted from an initial position to an operating position by an adjusting device. For realizing improved lane lighting relative to a dipped headlight and preventing usually glaring lighting caused by high beam headlights, the covering element (11) is movable in the direction of the axis (Ax), and has a covering lug (11a). The covering lug is position in front of and/or behind the high beam-light source (6) in the initial position and positioned below the high beam-light source (6) in the operating position.
Description
Technical field
The present invention relates to a kind of automotive headlight with lamp unit; This lamp unit has reflective mirror and comprises the light fixture distance light light source, that on the reflective mirror axis, locate; For this light fixture sets movably shield element accordingly, this shield element can be adjusted to the operating position that covers the reflective mirror zone by means of adjusting device from original position.
Background technology
Such headlamp can be learnt from DE10012923A1.Being used for movably, the adjusting device of shield element is provided with the reflective mirror rear along direction of illumination.Moving shield element directly reclines with the block that carries the support section of light fixture when being in original position.The coating of the band shape on the lateral surface of light fixture constitutes fixing shield element; Should be fixedly shield element and reflective mirror acting in conjunction generation distance light distribution
when headlamp is in first operating position, this movably shield element be positioned at the zone that covers through said coating.Through operating this adjusting device, headlamp is can be by it suitable with urban district light function and cover the operating position in reflective mirror zone at this position moving meter, adjusts to second operating position of ground light function.
Known from DE650727C, but a kind of lighting device with two through the motor vehicle of the headlamp of conversion and partial occlusion light-emitting filament and dim light (abblendbar).Can be at this left headlamp visible on direction of traffic in known manner to the front lower place dim light, and right headlamp and its side dim light to the right on the contrary.Therefore when dim light, from opposite driver's the visual field, take away light beam, but wherein this light beam projects track, the right side before direction of traffic comes out to be tilted to, thereby track, the right side is illuminated when dim light.Thereby illuminating by the lamp that is positioned at the driver right side of track, the right side causes.When dim light, left lamp projects its light on the track downwards obliquely.
DE102004033737A1 discloses a kind of headlamp with rotating shadow shield axle.This shadow shield axle substantial lateral is directed in the optic axis of headlamp.The shadow shield axle is provided with a plurality of different photodistributed thin plates that are used to produce.
Saidly be devoted to solve some problems so at least in part: on the one hand particularly with higher speed on highway and free way the time from device well known in the prior art; The illumination of good track is necessary and expectation, should avoid the dazzling effect of on-coming traffic but then as far as possible.Therefore usually on the land route, use dipped headlights important and that be applicable to less speed for urban transportation, thereby can not make front truck or oncoming car because high beam and dazzling.When important disadvantages is gone for the area beyond in the city in this case and particularly illumination is fully inadequately when speed is higher.
Summary of the invention
The technical problem that the present invention will solve is with simple and be applicable to that the mode of replenishing equipment and can not change reflective mirror realizes the headlamp of aforementioned type; The track relative dipped headlights that throws light on is improved; The illumination of this track avoid by high beam cause common dazzling, but guarantee the use of standard high beam and dipped headlights simultaneously.
Above-mentioned technical problem is able to solve through following manner according to the present invention: shield element can move in the direction of axle and have the cover of blocking, and blocks to cover on that original position is positioned distance light light source the place ahead or rear and below the operating position is positioned the distance light light source.
Realized covering according to the position of blocking cover the downside of distance light light source at this according to the present invention, the part distance light in the reflection of the top of reflective mirror can be used for improving the track illumination thus.Make the bottom share of the distance light that causes dazzling effect invalid through shield element.
The present invention can be used for having in the light fixture of distance light light source and dipped beam light source equally.In this case shield element be preferably designed for have most of opening, support the cover bearing block cover, wherein below original position cover bearing is positioned the distance light light source and block cover and be positioned below the dipped beam light source.The cover bearing that is designed to most of opening allows to make the light of distance light light source propagate into the downside of reflective mirror as far as possible in the clear in standard high beam duty.
This shield element both can be arranged in the light fixture, also can be arranged on outside the light fixture.
A kind of simple, suitable structural design regulation of shield element, it is arranged on the adjustment element, and this adjustment element is positioned in the lamp socket of light fixture.This adjustment element is preferably and is used to operate or mobile shield element and coefficient that part of adjusting device of being provided with.This operation can realize by means of the mode of suitable actuator with electromagnetism.
If this shield element is loaded on the original position that stops under the spring element effect, then be favourable.According to the structure and the laying thereof of shield element, this spring element can be compression spring or extension spring, wherein when adjusting device breaks down, can guarantee the common operation of high beam.
Description of drawings
Further specify other characteristic, advantage and details of the present invention now according to accompanying drawing and illustrated embodiment.This illustrate:
The axonometric drawing of the lamp unit of Fig. 1 automotive headlight,
The axonometric drawing of the lamp unit of Fig. 2 first operating position,
The axonometric drawing of the lamp unit of Fig. 3 second operating position,
The amplification detail view of Fig. 4 Fig. 2.
The specific embodiment
Particularly as shown in Figure 1, lamp unit 1 has the pedestal 2 that comprises the lamp socket 3 that is used for light fixture 4 and is designed to parabola shaped or oval-shaped reflective mirror 7, and the optic axis of this reflective mirror is expressed as A
xBe provided with projecting lens 8 in this 1 front, lamp unit.Bunch of cables 9 extends to the switch 10 that is placed in the vehicle cockpit from pedestal 2.This switch can be used as back benefit scheme and in motor vehicle, uses or when reinstalling, be integrated in turning-bar or the analog.In lamp socket 3, be fixed with light fixture 4, this light fixture for example can be common bilux bulb, Halogen lamp LED or LED lamp.In the illustrated embodiment, light fixture 4 is for having two in cloche 4a and along optic axis A
xThe light source 5 and 6 of location for example is the bilux bulb of coiled-coil filament.Light source 5 is designed for dipped headlights and it is positioned at the parabola of reflective mirror 7 or focus the place ahead one segment distance of ellipsoid, thus light beam deflection and be mapped on the track consumingly on reflective mirror 7 with less range.On the downside of light source 5, cover plate 5a is arranged in cloche 4a, and its light that has hindered downward reflection arrives reflective mirror 7.
Outside cloche 4a, be provided with shield element 11 at its downside.This shield element 11 is parallel to optic axis A
xExtend, be set to and move axially and at axle A by means of adjusting device
xDirection have before and after in succession cover bearing 11b with block the cover 11a.In the position shown in Fig. 1 and Fig. 2, cover bearing 11b is positioned distance light light source 6 belows, blocks cover 11a and is positioned dipped beam light source 5 belows.The cover 11a that blocks that is positioned dipped headlights light source 5 belows is embodied as lighttight; The cover bearing 11b that is arranged in high beam light source 6 belows is embodied as the groove shape and has a plurality of openings 14 in illustrated design; These openings are provided with and design size like this; That is, not guarantee to make luminous energy interrupted or be transmitted through on the downside of reflective mirror 7 from distance light light source 6 as far as possible in the clear.Fig. 1 and Fig. 2 schematically show the path of light in the operating position-original position of shield element 11.
Cover bearing 11b also can only be embodied as frame section, and it is as the bearing that blocks cover 11a.Framework has also guaranteed uncrossed light path simultaneously.
The said adjusting device that is used for shield element 11 is placed in lamp socket 3 and the pedestal 2 and especially by executing agency; For example unshowned electric coil is formed, and the elastic force parallel that this electric coil can make the adjustment element 16 that is connected with shield element 11 when activating (electric current flows through), for example overcome spring element 17, for example helical compression spring for bar-shaped pillar is in optic axis A
xMove to so far, cause cover bearing 11b to arrive in the lamp socket 3 and make and block the position that cover 11 occupies distance light light source 6 belows.Spring element 17 is supported on and is approximately on the discoidal base 18, and this base is connected with cover bearing 11b.The other end of spring element 17 is fixed on the adjustment element 16.
Fig. 1 and Fig. 4 show standard high beam duty, shift out under the effect of spring 17 in this state shield element 11.Cover bearing 11b is positioned at lamp source far away 6 belows.If adjusting device breaks down certainly, also can guarantee the normal running high beam.
Shown in Fig. 3, when shield element 11 is in along the second place that the direction of pedestal 2 moves, blocks cover 11a and be positioned at distance light light source 6 belows, cover bearing 11b is positioned at lamp socket 3.In this position, block cover 11a and hinder the downside of beam propagation to reflective mirror 7.Fig. 3 schematically shows light beam through the top of reflections propagate to reflective mirror 7.In this way, high beam is provided optionally, it has big range and little scattering, but has dazzling effect anything but for oncoming motor vehicle.This need not change the structure of reflective mirror 7.
The present invention can be used to have the single filament bulb of distance light light source in the same way.In this embodiment, blocking cover in original position can be at the place ahead that axially is positioned at light source or rear.Be positioned at blocking cover and can being positioned at contact holder in original position of light source rear, spring load is particularly produced by extension spring.
Can shield element be arranged in light fixture/lamp in addition.
Can stipulate in addition in order to improve the track illumination, make dipped headlights when high beam is connected, keep activating, wherein block cover and be provided with like this, make it realize simultaneously the light beam of two light sources is hidden.This can realize through correspondingly prolonging to block to cover.
The advantageously such design geometries of lamp socket 3 makes it meet standard size and allows and uses afterwards or install according to device of the present invention.The activation of the guiding mechanism of shield element realizes through the contact in the pedestal 2 that preferably this contact has been operated by means of the combined light switch in an advantageous manner and therefore realized the adjustment or the selection of selectivity high beam by means of it when installing first.With it differently, can on instrument board, locate a switch separately in order to replenish equipment.
The switching logic circuit should be designed to make and when operating whole high beam or dipped headlights according to plan, guarantee its priority service by means of turning-bar.
Claims (7)
1. headlamp that is used for motor vehicle, it has lamp unit (1), and this lamp unit has reflective mirror (7) and along its axle (A
x) location the light fixture that comprises distance light light source (6) (4); For this light fixture (4) correspondence sets movably shield element (11); This shield element can be adjusted to the operating position that covers reflective mirror (7) zone from original position by means of adjusting device, it is characterized in that, shield element (11) can be along said axle (A
x) direction move and have and block cover (11a), this blocks and covers on that original position is positioned the place ahead or the rear of said distance light light source (6) and be positioned distance light light source (6) below in the operating position.
2. headlamp according to claim 1; Its light fixture (4) has distance light light source (6) and dipped beam light source (5); It is characterized in that; Shield element (11) have most of opening, support the said cover bearing (11b) that blocks cover (11a), wherein be positioned distance light light source (6) below and block cover (11a) to be positioned below the dipped beam light source (5) at original position cover bearing (11b).
3. headlamp according to claim 1 and 2 is characterized in that, shield element (11) is positioned the outside of said light fixture (4).
4. headlamp according to claim 1 and 2 is characterized in that, shield element (11) is positioned the inside of said light fixture (4).
5. according to each described headlamp among the claim 1-4, it is characterized in that shield element (11) has adjustment element (16), this adjustment element is positioned in the lamp socket (3) of said light fixture (4).
6. headlamp according to claim 5 is characterized in that, said adjustment element (16) can for example operate to move shield element (11) with the mode of electromagnetism by means of adjusting device.
7. according to each described headlamp among the claim 1-6, it is characterized in that shield element (11) is loaded on said original position under the effect of spring element (17).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011013430A DE102011013430B4 (en) | 2011-03-09 | 2011-03-09 | Headlights for vehicles |
| DE102011013430.1 | 2011-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102818207A true CN102818207A (en) | 2012-12-12 |
Family
ID=46705376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102053451A Pending CN102818207A (en) | 2011-03-09 | 2012-03-09 | Headlight used for motor vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102818207A (en) |
| DE (1) | DE102011013430B4 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994341A (en) * | 2013-02-18 | 2014-08-20 | 孝感市捷能特种光源照明器具有限公司 | High-reflectance three-way elliptic surface reflector grading and lighting method and bulb |
| CN107975764A (en) * | 2017-11-28 | 2018-05-01 | 华强方特（芜湖）文化科技有限公司 | The more light synchronizing controls of one kind performance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2005208A (en) * | 1934-08-20 | 1935-06-18 | Schuchat Jonas | Wrapping |
| EP1052448A2 (en) * | 1999-05-14 | 2000-11-15 | Asahi Electric Works, Ltd. | Head light system |
| JP2003157704A (en) * | 2001-11-26 | 2003-05-30 | San Jidosha Kogyo:Kk | Headlamp for vehicle |
| TW557985U (en) * | 2002-05-17 | 2003-10-11 | Jenn Feng Ind Co Ltd | Switching apparatus for high/low beam |
| US20050081045A1 (en) * | 2003-08-15 | 2005-04-14 | Fiberlink Communications Corporation | System, method, apparatus and computer program product for facilitating digital communications |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE650727C (en) | 1934-02-06 | 1937-09-30 | Wilhelm Wengenroth | Dimming device for vehicles |
| DE4002576C5 (en) * | 1990-01-30 | 2005-06-02 | Automotive Lighting Reutlingen Gmbh | Headlamp with dipped and main beam for motor vehicles |
| DE19718542A1 (en) * | 1997-05-02 | 1998-11-05 | Hella Kg Hueck & Co | Headlamp fitted to road vehicle |
| DE10012923A1 (en) | 2000-03-16 | 2001-09-20 | Hella Kg Hueck & Co | Headlights for vehicles and control device |
| DE102004033737A1 (en) | 2004-07-13 | 2006-02-16 | Adam Opel Ag | Road vehicle headlamp with rotatable shaft has vanes on shaft for interrupting part of light beam and has lamp with reflector and swivel joint for shaft and lens in front of shaft |
-
2011
- 2011-03-09 DE DE102011013430A patent/DE102011013430B4/en not_active Expired - Fee Related
-
2012
- 2012-03-09 CN CN2012102053451A patent/CN102818207A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2005208A (en) * | 1934-08-20 | 1935-06-18 | Schuchat Jonas | Wrapping |
| EP1052448A2 (en) * | 1999-05-14 | 2000-11-15 | Asahi Electric Works, Ltd. | Head light system |
| JP2003157704A (en) * | 2001-11-26 | 2003-05-30 | San Jidosha Kogyo:Kk | Headlamp for vehicle |
| TW557985U (en) * | 2002-05-17 | 2003-10-11 | Jenn Feng Ind Co Ltd | Switching apparatus for high/low beam |
| US20050081045A1 (en) * | 2003-08-15 | 2005-04-14 | Fiberlink Communications Corporation | System, method, apparatus and computer program product for facilitating digital communications |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994341A (en) * | 2013-02-18 | 2014-08-20 | 孝感市捷能特种光源照明器具有限公司 | High-reflectance three-way elliptic surface reflector grading and lighting method and bulb |
| CN107975764A (en) * | 2017-11-28 | 2018-05-01 | 华强方特（芜湖）文化科技有限公司 | The more light synchronizing controls of one kind performance |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011013430B4 (en) | 2013-02-28 |
| DE102011013430A1 (en) | 2012-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121212 |