CN205592824U - Integrative emitting diode PES unit of nearly distance light of vehicle headlamps - Google Patents
Integrative emitting diode PES unit of nearly distance light of vehicle headlamps Download PDFInfo
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- CN205592824U CN205592824U CN201620151144.1U CN201620151144U CN205592824U CN 205592824 U CN205592824 U CN 205592824U CN 201620151144 U CN201620151144 U CN 201620151144U CN 205592824 U CN205592824 U CN 205592824U
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Abstract
The utility model relates to an integrative emitting diode PES unit of nearly distance light of vehicle headlamps, including baffle (2), transparent light screen (4), lens (5), short -distance beam LED, distance light LED, transparent light screen (4) are the cuboid, set up in nearly lens one side of baffle (2) the up end parallel and level of its up end and baffle (2) or be close the parallel and level, the focus of lens (5) is located on the up end of transparent light screen (4), short -distance beam LED is located distance light LED's top, the light first portion of distance light LED transmission is sheltered from by baffle (2), and the second portion is penetrated on transparent light screen (4) up end and because the less formation total reflection in the angle of incidence to form short -distance beam cut -off line, the light of distance light LED transmission is through transparent light screen (4), and owing to the great realization in angle of incidence transmission, the light that passes the lens focus forms the parallel light after the lens refraction for during far and near light switching, realize seamless connection between the nearly distance light light type.
Description
Technical field
This utility model relates to a kind of car headlamp distance-light one light emitting diode (LED) PES unit, belongs to car light design field.
Background technology
For the headlight of nearly distance light one, conventional nearly road function switching mode has two kinds: electromagnetic valve switching dark slide and fixed nontransparent dark slide.
When the defect using the scheme of electromagnetic valve switching dark slide is cost height, volume is big, weight is big, function switches, noise is big.
The defect using fixed nontransparent dark slide is that dividing plate exists certain thickness, and the boundary for nearly distance light imaging can cause obvious seam, forms the filaments of sun, affects Driver Vision and experiences.Referring specifically to Fig. 1, dipped beam light a is through the focal position of lens, light is parallel with optical axis after lens, dipped beam light b is without lens focus position, with the joining of optical axis before lens focus, so light is diffusing light after lens, will not intersect with optical axis, other dipped beam light can be blocked by dividing plate, without going past lens.And all of distance light light, due to the stop of dividing plate, all similar with dipped beam light b, it is diffusing light after lens, will not intersect with optical axis.Distance light light is because of the thickness reason of dividing plate head, lens focus cannot be passed through, therefore dipped beam light and distance light light shooting angle after lens have the angular interval of a vacancy, dipped beam is caused to come with distance light division, thus cause obvious seam, form the filaments of sun, affect Driver Vision and experience.
Utility model content
This utility model technical issues that need to address are: existing car headlamp nearly distance light one light emitting diode (LED) PES unit, or using the scheme of electromagnetic valve switching dark slide, when causing that cost is high, volume is big, weight is big, function switches, noise is big；Or use fixed nontransparent dark slide, there is certain thickness in dividing plate, the boundary for nearly distance light imaging can cause obvious seam, forms the filaments of sun, affects Driver Vision and experiences.
This utility model takes techniques below scheme:
A kind of car headlamp nearly distance light one LED P ES unit, including dividing plate 2, transparent dark slide 4, lens 5, dipped beam LED, distance light LED；The described rectangular body of transparent dark slide 4, is arranged on the nearly lens side of dividing plate 2, and its upper surface is concordant with the upper surface of dividing plate 2 or close to concordant；The focus of lens 5 is positioned on the upper surface of described transparent dark slide 4；Described dipped beam LED is positioned at the top of distance light LED；The light Part I of described dipped beam LED emission is sheltered from by dividing plate 2, and Part II is penetrated on transparent dark slide 4 upper surface and forms total reflection owing to angle of incidence is less, thus forms dipped beam dead line；The light of described distance light LED emission, through transparent dark slide 4, realizes transmission owing to angle of incidence is bigger, and the light through lens focus forms directional light after lens reflect so that during distance-light switching, realize seamless link between nearly distance light light type.
Further, the light Part II of dipped beam LED emission is penetrated and is formed total reflection in transparent dark slide 4 upper surface, and is internally formed multiple total reflection in transparent dark slide 4.
Further, the surface of dividing plate 2 is processed as dermatoglyph and adds and aluminize, it is achieved increase light efficiency or the effect of softening veiling glare.
A kind of car headlamp nearly distance light one LED P ES unit, described car headlamp distance-light one LED P ES unit is not provided with dividing plate, the lateral dimension of transparent dark slide 4 reaches enough thickness, the light being located at rear portion, transparent dark slide 4 upper surface is made all to realize total reflection, thus can reach equally to shut out the light, form the effect of dipped beam dead line.
The beneficial effects of the utility model are:
1) avoid using electromagnetic valve switching dark slide, reduce cost, reduce volume, alleviate weight, it is to avoid produced noise during function switching.
2) due to the effect of transparent dark slide, the boundary of nearly distance light imaging does not results in seam, eliminates the filaments of sun, improves Driver Vision, make driver have more preferable road surface driving experience.
3) being skillfully constructed, cost is relatively low, and it is convenient to implement.
4) surface of dividing plate is processed as dermatoglyph and adds and aluminize, it is achieved increase light efficiency or the effect of softening veiling glare.
Accompanying drawing explanation
Fig. 1 is structure and the light efficiency schematic diagram of car headlamp distance-light one light emitting diode (LED) the PES unit using fixed nontransparent dark slide in prior art.
Fig. 2 is structure and the light efficiency schematic diagram of this utility model car headlamp distance-light one light emitting diode (LED) PES unit.
In figure, dipped beam light in a. background technology, another dipped beam light, 1. dipped beam light, 2. dividing plate, 3. distance light light, the most transparent dark slide in b. background technology.
Detailed description of the invention
With specific embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment one:
Seeing Fig. 2, a kind of car headlamp nearly distance light one LED P ES unit, including dividing plate 2, transparent dark slide 4, lens 5, dipped beam LED, distance light LED；The described rectangular body of transparent dark slide 4, is arranged on the nearly lens side of dividing plate 2, and its upper surface is concordant with the upper surface of dividing plate 2 or close to concordant；The focus of lens 5 is positioned on the upper surface of described transparent dark slide 4；Described dipped beam LED is positioned at the top of distance light LED；The light Part I of described dipped beam LED emission is sheltered from by dividing plate 2, and Part II is penetrated on transparent dark slide 4 upper surface and forms total reflection owing to angle of incidence is less, thus forms dipped beam dead line；
Do not run into the dipped beam light that transparent dark slide stops, dipped beam light type will be formed after projecting lens.And run into the dipped beam light that transparent dark slide stops, it will enter inside transparent dark slide from the top of dark slide.Due to the effect of total reflection, this some light will outgoing below dark slide, and cannot be introduced into lens, the most just can form dipped beam dead line.
The light of described distance light LED emission, through transparent dark slide 4, realizes transmission owing to angle of incidence is bigger, and the light through lens focus forms directional light after lens reflect so that during distance-light switching, realize seamless link between nearly distance light light type.
This programme utilizes the principle of light transmission and total reflection, makes dipped beam light and distance light light can be each passed through lens focus, can make to realize seamless link between nearly distance light light type.
Seeing Fig. 2, the light Part II of dipped beam LED emission is penetrated and is formed total reflection in transparent dark slide 4 upper surface, and is internally formed multiple total reflection in transparent dark slide 4.
The surface of dividing plate 2 is processed as dermatoglyph and adds and aluminize, it is achieved increase light efficiency or the effect of softening veiling glare.
Embodiment two:
The light of dipped beam system is concentrated mainly near lens focus, and the effect of dividing plate is to stop that in dipped beam system, unnecessary light enters on the right side of dark slide, causes veiling glare to dipped beam light type.If the thickness of dark slide is the longest, it is possible to comprise all dipped beam incident raies, then can cancel dividing plate.Then embodiments below is used:
A kind of car headlamp nearly distance light one LED P ES unit, described car headlamp distance-light one LED P ES unit is not provided with dividing plate, the lateral dimension of transparent dark slide 4 reaches enough thickness, the light being located at rear portion, transparent dark slide 4 upper surface is made all to realize total reflection, thus can reach equally to shut out the light, form the effect of dipped beam dead line.
This utility model had both avoided the mechanical type dark slide of heaviness, it also avoid the nearly distance light light type separation that fixing nontransparent dark slide causes, and completely eliminates sound when nearly road function switches.
The electromagnetic valve scheme that this utility model is more present, reduce cost, decrease weight, reduce volume, eliminate nearly distance light switching time the sound, fixed nontransparent dark slide is compared, and improves the linking between nearly distance light light type, makes driver have more preferable road surface effect and experiences.
Claims (4)
1. a car headlamp nearly distance light one LED P ES unit, it is characterised in that:
Including dividing plate (2), transparent dark slide (4), lens (5), dipped beam LED, distance light LED；
The rectangular body of described transparent dark slide (4), is arranged on the nearly lens side of dividing plate (2), and its upper surface is concordant with the upper surface of dividing plate (2) or close to concordant；
The focus of lens (5) is positioned on the upper surface of described transparent dark slide (4)；
Described dipped beam LED is positioned at the top of distance light LED；
The light Part I of described dipped beam LED emission is sheltered from by dividing plate (2), and Part II is penetrated on transparent dark slide (4) upper surface and forms total reflection owing to angle of incidence is less, thus forms dipped beam dead line；
The light of described distance light LED emission, through transparent dark slide (4), realizes transmission owing to angle of incidence is bigger, and the light through lens focus forms directional light after lens reflect so that during distance-light switching, realize seamless link between nearly distance light light type.
2. car headlamp nearly distance light one LED P ES unit as claimed in claim 1, it is characterized in that: the light Part II of dipped beam LED emission is penetrated and formed total reflection in transparent dark slide (4) upper surface, and is internally formed multiple total reflection in transparent dark slide (4).
3. car headlamp nearly distance light one LED P ES unit as claimed in claim 1, it is characterised in that: the surface of dividing plate (2) is processed as dermatoglyph and adds and aluminize, it is achieved increase light efficiency or the effect of softening veiling glare.
4. car headlamp nearly distance light one LED P ES unit as claimed in claim 1, it is characterized in that: described car headlamp distance-light one LED P ES unit is not provided with dividing plate, the lateral dimension of transparent dark slide (4) reaches enough thickness, the light being located at transparent dark slide (4) rear portion, upper surface is made all to realize total reflection, thus can reach equally to shut out the light, form the effect of dipped beam dead line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620151144.1U CN205592824U (en) | 2016-02-29 | 2016-02-29 | Integrative emitting diode PES unit of nearly distance light of vehicle headlamps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620151144.1U CN205592824U (en) | 2016-02-29 | 2016-02-29 | Integrative emitting diode PES unit of nearly distance light of vehicle headlamps |
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| CN205592824U true CN205592824U (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620151144.1U Active CN205592824U (en) | 2016-02-29 | 2016-02-29 | Integrative emitting diode PES unit of nearly distance light of vehicle headlamps |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588061A (en) * | 2016-02-29 | 2016-05-18 | 上海小糸车灯有限公司 | Low-high beam integrated light-emitting diode PES unit of automotive headlamp |
-
2016
- 2016-02-29 CN CN201620151144.1U patent/CN205592824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588061A (en) * | 2016-02-29 | 2016-05-18 | 上海小糸车灯有限公司 | Low-high beam integrated light-emitting diode PES unit of automotive headlamp |
| CN105588061B (en) * | 2016-02-29 | 2018-02-06 | 上海小糸车灯有限公司 | Car headlamp distance-light one LED P ES units |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Jianqing Inventor after: Wang Liangliang Inventor before: Wang Liangliang Inventor before: Lu Jianqing |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |