CN101725877A - Headlight capable of reinforcing beams in dark area - Google Patents
Headlight capable of reinforcing beams in dark area Download PDFInfo
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- CN101725877A CN101725877A CN200810167938A CN200810167938A CN101725877A CN 101725877 A CN101725877 A CN 101725877A CN 200810167938 A CN200810167938 A CN 200810167938A CN 200810167938 A CN200810167938 A CN 200810167938A CN 101725877 A CN101725877 A CN 101725877A
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- headlight
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- dark area
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Abstract
The invention discloses a headlight capable of reinforcing beams in a dark area, which comprises a light holder, a light source, a light screen and a light guide piece; the light holder defines an accommodation space and comprises a reflector and a lens arranged on the front side of the reflector; the light source is arranged in the accommodation space and is arranged along an optical axis; beams emitted by the light source are refracted by the lens and are emitted forwards; the light screen is assembled on the light holder and positioned between the light source and the lens; the light screen is used for shielding part of the beams emitted by the light source; the part of the beams are transmitted towards the lens and emitted forwards and upwards by the light guide piece; therefore, beams in the dark area above the optical axis are reinforced.
Description
Technical field
The present invention relates to a kind of Vehicular headlamps, particularly relate to a kind of projection-type headlight of Strengthenable light in dark space.
Background technology
Vehicle travels when setting out on a journey, for in response to different road conditions and sight line demand, headlight for vehicle can be divided into high beam, dipped headlights, or instant and near light lamp one and can switching, and have at present a kind of be applied to headlight be designed to projection-type (Poly-Ellipsoid System, be called for short PES) headlight.As shown in Figure 1, be a kind of projection-type headlight as dipped headlights, and comprise: a speculum 61, that defines an accommodation space 610 is installed in this accommodation space 610 and the light source that is provided with along a horizontal optical axis X 62, is assembled in the housing (scheming not show) of these speculum 61 front sides and lens 64 that are installed on this housing from the shadow shield 63, that these speculum 61 root edges extend upward and the apical margin height is concordant with this optical axis X.Wherein, the light that this light source 62 sends can be subjected to the interception of 61 reflections of this speculum and this shadow shield 63, makes after the rays pass through lens 64 mainly to be towards the zone level of optical axis X below or to penetrate slightly down, reaches the effect of dipped headlights whereby.Though above-mentioned headlight can be used as dipped headlights, but because light mainly is to concentrate the zone that diverges in optical axis X below, the illumination deficiency that causes the zone (hereinafter referred to as the dark space) of optical axis X top to be subjected to, generally speaking, at least want 64 candle light (candela in headlight the place ahead greater than the dark space luminous intensity at 18 meters places, be abbreviated as cd) above just enough, and the light in dark space of headlight was obviously not enough in the past, therefore may cause the driver when driving at night, can't know the higher traffic sign in position is set on the identification road.
Traffic safety can be influenced because light in dark space is not enough, so many light in dark space reinforcement designs at low beam formula headlight are arranged at present.Consult Fig. 2, United States Patent (USP) notification number US6 for example, 736, No. 533 patent cases, the headlight that its prior art provides is to increase in shadow shield 71 front sides an auxiliary shield 72 to be set, the light reflection that this auxiliary shield 72 can penetrate a part downwards, the reinforcement light A1 of deviation penetrates to make light form upwards through these lens 73 backs, reaches the effect of reinforcing light in dark space whereby.Consulting Fig. 3, and the summary of the invention of this United States Patent (USP) case itself, is to offer a perforation 810 on shadow shield 81, and an auxiliary shield 82 is arranged at the inboard of shadow shield 81, also can reach the effect of reinforcing light in dark space by these structural improvements.
On the other hand, some headlight is simultaneously in conjunction with the switching of instant and near light lamp, but need rotate by a solenoid-driven one modulation shadow shield this moment, but changes the outside projected path of light by this modulation shadow shield, and then reaches far away, low beam and switch effect.Yet, the shadow shield 71 of earlier figures 2 combined with assisting shield 72 interlocks, 81 of the shadow shields of Fig. 3 are provided with perforation 810, the structural improvement of these shadow shields 71,81 can reinforcing light in dark space, but can't reach lamp demand far away, therefore the above-mentioned design that is used for reinforcing light in dark space can only be used for dipped headlights, and can't be applied to headlight far away, that low beam switches.So above-mentioned design application is not good, remain to be improved.
In addition, United States Patent (USP) notification number 6,494, No. 603 patent cases also are to utilize a shadow shield of being located at light source the place ahead to come reinforcing light in dark space, but this shadow shield is and a support clamshell one die cast, and the essential accuracy that improves during die-casting process, otherwise after this shadow shield moulding, it is provided with angle deviation and light can't being reflected in predetermined direction to some extent easily, and the headlight that this kind design also can't be applied to far, low beam switches.
Summary of the invention
The objective of the invention is providing that a kind of light guide structure is simple, application is good, and the headlight of Strengthenable light in dark space.
But the headlight of the present invention's reinforcing beams in dark area comprises: a lamp socket, a light source, a shadow shield, and a light guide.This lamp socket comprises that a speculum, is combined in this speculum front side and defines the clamshell of an accommodation space jointly with speculum, and lens that are installed in this clamshell front side.This light source is installed in this accommodation space and along an optical axis setting, the light that this light source sends is to be penetrated forward by this lens refraction.
This shadow shield is assembled on this lamp socket and is positioned between this light source and lens, and this used in sunshade board is in blocking the part light that light source sends.This light guide is arranged on accommodation space and between shadow shield and lens, this light guide has an incidence surface towards this shadow shield, and exiting surface towards lens, this exiting surface extends back from top to bottom gradually, described light guide conducts the light of light source towards these lens, make the light of being derived by these lens penetrate forward and up.
Beneficial effect of the present invention is: by the refraction action of this exiting surface, make the light that penetrates towards these lens deviation that makes progress, therefore the use of the structural design fit lens of light guide, really can reach the purpose of reinforcing light in dark space, and this light guide is simple in structure, go for headlight far away, that low beam switches, have the wide advantage of applicability really.
Description of drawings
Fig. 1 is a kind of side view cutaway drawing of headlight in the past;
Fig. 2 is a side view cutaway drawing, shows the headlight that prior art disclosed of the 6th, 736, No. 533 patent cases of United States Patent (USP) notification number;
Fig. 3 is a side view cutaway drawing, shows the headlight of the 6th, 736, No. 533 patent cases of United States Patent (USP) notification number;
But Fig. 4 is the three-dimensional exploded view of a most preferred embodiment of the headlight of the present invention's reinforcing beams in dark area;
Fig. 5 is the side view cutaway drawing of this most preferred embodiment, shows that simultaneously a light source sends the optical track of part light.
The specific embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Consult Fig. 4,5, but the most preferred embodiment of the headlight of the present invention's reinforcing beams in dark area is as dipped headlights, and comprises: a lamp socket 1, is installed in light source 2, the shadow shield 3 in this lamp socket 1, and a light guide 4.
This lamp socket 1 comprises: one around a horizontally extending optical axis L and have a speculum 11, that is positioned at the luminous installation portion 111 of rear side and be spirally connected and be combined in these speculum 11 front sides and define the clamshell 12 of an accommodation space 10 jointly with speculum 11, and lens 13 that are installed in these clamshell 12 front sides.This lens 13 are positioned at the place ahead of light source 2 with this clamshell 12 assemblings, and make the light refraction of light source 2 and exhale forward.This light source 2 is installed in this luminous installation portion 111 and stretches into towards accommodation space 10, and the center of light source 2 is that the position is on this optical axis L.
This speculum 11 of the circumferential profile form fit of this shadow shield 3 and designing, and screw lock is assembled between speculum 11 and the clamshell 12, this shadow shield 3 comprises a light shielding part 31 that is positioned at the below, and one extends upward from light shielding part 31 left and right sides and defines the connecting portion 32 in a printing opacity space 30 jointly with light shielding part 31.This shadow shield 3 is used to block the part light that this light source 2 is exhaled.
This light guide 4 can be by glass, polyethers (PES, Polyethersulfone), tin indium oxide (ITO, Indium TinOxide), or polyvinyl chloride (PVC) ... material Deng light-permeable is made, and being subjected to the heat energy influence of this light source 2 for fear of light guide 4, this light guide 4 is preferably by the good material of hear resistance and makes.Described light guide 4 and comprises a transmittance section 41 that is positioned at the top between shadow shield 3 and lens 13, and one 41 is extended the base portions 42 that connect these clamshell 12 root edges downwards from this transmittance section.
This transmittance section 41 can be penetrated forward for the part light penetration of light source 2 emissions, this transmittance section 41 have a incidence surface 411, one towards this shadow shield 3 with incidence surface 411 back spans towards the exiting surface 412 of lens 13, and one be connected incidence surface 411 and exiting surface 412 tops and highly be lower than the end face 413 of optical axis L.This incidence surface 411 is the plane of vertical extension about in the of, and this exiting surface 412 is prominent toward frontal arc gradually towards central authorities by the left and right sides, and this exiting surface 412 is stretched to retreading from top to bottom gradually simultaneously, so this transmittance section 41 presents profile wide at the top and narrow at the bottom by the side.This base portion 42 is to be used for this clamshell 12 bottom interior surfaces are fixed in transmittance section 41.
When the present invention uses, the light that this light source 2 sends can be subjected to this speculum 11 reflections, and the part light that light source 2 upwards penetrates is reflected after mirror 11 reflections, can penetrate by this printing opacity space 30, and be projeced into this place, optical axis L below and form the effect of dipped headlights via the refraction of these lens 13, and part light is injected towards the incidence surface 411 of light guide 4, again via exiting surface 412, lens 13 deviations and form reinforcement light B and up penetrate, this reinforcement light B can project the dark space at about 25 meters places, light source 2 the place aheads, makes the dark space become comparatively bright.Via experiment test, the present invention obviously promotes in the luminous intensity of dark space, top, can reach more than 100 candle lights at least.
By above explanation as can be known, refraction action by this exiting surface 412, make to see through this exiting surface 412 and towards the light that these lens 13 the penetrate deviation that makes progress, so varied in thickness up and down of transmittance section 41, has the make progress effect of deviation of control light, and exiting surface 412 is prominent toward frontal arc gradually towards central authorities by the left and right sides, is in order to make the light that penetrates can contain enough big left and right directions area forward.So refraction action of the structural design fit lens 13 of light guide 4 of the present invention, really can reach the purpose of reinforcing light in dark space, and this light guide 4 is simple in structure, be provided with the position also not can and 3 of this shadow shields produce and disturb, though so present embodiment is a headlight with dipped headlights is example, but also can install magnetic valve when implementing additional and drive this shadow shield 3 rotations, the rotation of this shadow shield 3 is not influenced by this light guide 4 can, therefore the headlight that the present invention also is applicable to far, low beam switches has the wide advantage of applicability really.
Claims (5)
1. but the headlight of a reinforcing beams in dark area, comprise: a lamp socket, a light source, and shadow shield that is assembled on this lamp socket, this lamp socket comprises that a speculum, one are combined in this speculum front side and define the clamshell of an accommodation space jointly with speculum, and lens that are installed in this clamshell front side, this light source is installed in this accommodation space and along an optical axis setting, the light that this light source sends is to be penetrated forward by this lens refraction, this shadow shield is between this light source and lens, and this shadow shield blocks the part light that light source sends; It is characterized in that, but the headlight of this reinforcing beams in dark area also comprises:
A light guide, be arranged on accommodation space and between shadow shield and lens, this light guide has an incidence surface towards this shadow shield, and exiting surface towards lens, this exiting surface extends back from top to bottom gradually, described light guide conducts the light of light source towards these lens, make the light of being derived by these lens penetrate forward and up.
2. but the headlight of reinforcing beams in dark area as claimed in claim 1 is characterized in that: this exiting surface is prominent toward frontal arc gradually towards central authorities by the left and right sides.
3. but the headlight of reinforcing beams in dark area as claimed in claim 1, it is characterized in that: this light guide comprises a transmittance section that is positioned at the top, and a base portion that extends this clamshell of connection from this transmittance section downwards, described transmittance section has aforementioned incidence surface and exiting surface.
4. but as the headlight of each described reinforcing beams in dark area in the claim 1 to 3, it is characterized in that: this incidence surface is the plane of vertical extension up and down.
5. but the headlight of reinforcing beams in dark area as claimed in claim 1, it is characterized in that: this light guide is by glass, polyethers, tin indium oxide, or pvc material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810167938A CN101725877A (en) | 2008-10-16 | 2008-10-16 | Headlight capable of reinforcing beams in dark area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810167938A CN101725877A (en) | 2008-10-16 | 2008-10-16 | Headlight capable of reinforcing beams in dark area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101725877A true CN101725877A (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810167938A Pending CN101725877A (en) | 2008-10-16 | 2008-10-16 | Headlight capable of reinforcing beams in dark area |
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| CN (1) | CN101725877A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485602A (en) * | 2015-12-31 | 2016-04-13 | 安徽卡澜特车灯科技有限公司 | LED high beam and low beam integrated headlamp module for battery cars or motorcycles |
| JP6138295B1 (en) * | 2016-01-20 | 2017-05-31 | 堤維西交通工業股▲分▼有限公司 | Headlight |
| CN107559769A (en) * | 2017-08-18 | 2018-01-09 | 北京汽车股份有限公司 | LED dipped beams projecting unit and vehicle |
| CN109812775A (en) * | 2017-11-22 | 2019-05-28 | 苏州卡利肯新光讯科技有限公司 | A kind of light filling type lamp lens lens and its preceding modulated structure |
| CN110476006A (en) * | 2018-08-06 | 2019-11-19 | 炼马机电（东莞）有限公司 | Backlight |
-
2008
- 2008-10-16 CN CN200810167938A patent/CN101725877A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485602A (en) * | 2015-12-31 | 2016-04-13 | 安徽卡澜特车灯科技有限公司 | LED high beam and low beam integrated headlamp module for battery cars or motorcycles |
| JP6138295B1 (en) * | 2016-01-20 | 2017-05-31 | 堤維西交通工業股▲分▼有限公司 | Headlight |
| JP2017130361A (en) * | 2016-01-20 | 2017-07-27 | 堤維西交通工業股▲分▼有限公司 | Headlight |
| CN107559769A (en) * | 2017-08-18 | 2018-01-09 | 北京汽车股份有限公司 | LED dipped beams projecting unit and vehicle |
| CN107559769B (en) * | 2017-08-18 | 2020-02-18 | 北京汽车股份有限公司 | LED short-distance beam projection unit and vehicle |
| CN109812775A (en) * | 2017-11-22 | 2019-05-28 | 苏州卡利肯新光讯科技有限公司 | A kind of light filling type lamp lens lens and its preceding modulated structure |
| CN110476006A (en) * | 2018-08-06 | 2019-11-19 | 炼马机电（东莞）有限公司 | Backlight |
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Open date: 20100609 |