CN206514204U - A kind of transparent light guide body and its projection-type illuminator with interception - Google Patents
A kind of transparent light guide body and its projection-type illuminator with interception Download PDFInfo
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- CN206514204U CN206514204U CN201720035887.7U CN201720035887U CN206514204U CN 206514204 U CN206514204 U CN 206514204U CN 201720035887 U CN201720035887 U CN 201720035887U CN 206514204 U CN206514204 U CN 206514204U
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- guide body
- light guide
- reflecting surface
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Abstract
A kind of transparent light guide body and its vehicle light illumination system for having interception, transparent light guide body (5) is provided with mechanism of diaphragm (5a), including the plane of incidence (5b), exit facet (5c) and on, lower reflecting surface (5d, 5e), an incident ray part is irradiated to the reflecting surface (2a) of speculum (2) and arc reflected directly into lens (4), form a part for illumination light shape, incident ray another part is irradiated to the plane of incidence (5b) of transparent light guide body (5) and is refracted to inside optical conductor, pass through lens (4) by exit facet (5c) refraction again by the plane of incidence (5b), form a part for illumination light shape, incident ray another part is refracted to reflecting surface (5d) by the plane of incidence (5b), reflect after exit facet (5c), also by projecting road surface after lens, form a part for illumination light shape.The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be reflected to upper reflecting surface (5d) back reflection to the another part that illumination light shape is also formed after lens (4).According to the utility model, light and shade is formed by line by replacing the shadow shield of prior art with the transparent light guide body for changing light path effect, the overall light efficiency of projection-type illuminator is improved.
Description
Technical field
The utility model is related to a kind of car light projection-type illuminator, specifically, being related to a kind of with interception
Transparent light guide body and its car light projection-type illuminator, transparent light guide body and its car light the projection-type illuminator pass through
It is a kind of that there is the transparent light guide body for changing light path effect to replace the shadow shield of prior art to form light and shade by line, pass through simultaneously
3 kinds of approach, by be blocked originally plate block or be reflected as veiling glare light re-use, participate in illumination, improve
The overall light efficiency of projection-type illuminator.
Background technology
The projection-type illuminator commonly used in automobile lamp, typically all includes light source 1 as shown in Figure 1, speculum 2, shading
Plate 3 and lens 4 are constituted, and the shadow shield 3 is provided with mechanism of diaphragm 3a.The speculum is elliposoidal, the light source it is luminous
It is centrally disposed at the perifocus of ellipsoidal shaped mirror, the light that light source is sent converges at ellipse after ellipsoidal shaped mirror reflects
Near the over focus of spherical mirror, the shadow shield is arranged at the over focus of ellipsoidal shaped mirror, finally by lens shaped
Into with light and shade by line class parallel light light shape.
As shown in Figure 2,3, blocking by the mechanism of diaphragm 3a, must to form the light shape such as dim head lights, fog lamp
The light and shade needed is by line, and the shape of the mechanism of diaphragm 3a is relative by linear shape from the light and shade needed for corresponding different illumination functions
Should, as Figure 10 illustrates that the light and shade of dipped beam light shape by line A, the light and shade of fog lamp is horizontal line by line, such as Figure 11 B institutes
Show.
The mechanism of diaphragm 3a being provided with by shadow shield 3 that traditional projection-type illuminator is used formed light and shade by
There are following several shortcomings in the way of line：
1st, the light that a part is blocked by mechanism of diaphragm 3a can not be recycled, and only some light F1 is used for road photograph
It is bright, cause light loss of energy.
2nd, the light blocked by mechanism of diaphragm 3a a, part is blocked plate 3 and absorbed, and a part is reflected, and this part is anti-
The light F2 penetrated exists and road surface is irradiated to after being reflected by lamp interior other parts due to uncontrolled, forms the wind of veiling glare
Danger.
3rd, also had by the mechanism of diaphragm 3a light reflected and be irradiated to other functional areas, such as steering indicating light or position lamp functional areas
Domain, causes the defect of light leak between function.
4th, because the angle that light source irradiates is typically no less than 180 degree, a part of light is made due to irradiating less than speculum
Into optical energy loss.
Utility model content
To solve the above problems, the utility model provides a kind of car light projection-type illuminator, specifically, being related to one kind
Transparent light guide body with interception, the light path system of the transparent light guide body formation, its car light projection-type illuminator
And its car headlamp.
The utility model has the transparent light guide body technique scheme of interception as follows：
A kind of transparent light guide body with interception, is arranged between light source 1 and lens 4, it is characterised in that
The transparent light guide body 5 is provided with it close to the emergent light side of lens 4 to be used for forming diaphragm knot of the light and shade by line
Structure 5a,
The transparent light guide body 5 is the rectangular block shape that section is in two above and below step type,
The transparent light guide body 5 is formed with plane of incidence 5b, exit facet 5c and upper and lower reflecting surface 5d, 5e,
An incident ray part is irradiated to the reflecting surface 2a of speculum 2 and arc reflected directly into lens 4, forms illumination light shape
G a part of G1.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
The transparent light guide body forms following light path system：
Incident ray another part is irradiated to the plane of incidence 5b of transparent light guide body 5 and is refracted to inside optical conductor 5, then reflects
Exit facet 5c is reflexed to or by upper reflecting surface 5d, lens 4 are refracted to by exit facet 5c, by projecting road after lens 4
Face, forms another part G2 (Fig. 7) of illumination light shape, and not being refracted to the light of lens (4) after exit facet (5c) turns into miscellaneous
A part of H1 of astigmatism.
The another partial illumination of incident ray to speculum 2 reflecting surface 2a and be refracted to down after being reflected to upper reflecting surface 5d
Reflecting surface 5e, also forms the another part G3 (Fig. 8) of illumination light shape after being refracted to lens 4 again through lower reflecting surface 5e.
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and to be reflected to upper reflecting surface (5d) anti-afterwards
It is mapped to the another part G4 (Fig. 9) that illumination light shape is also formed after lens (4).
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be reflected to upper reflecting surface (5d) and roll over afterwards
It is mapped to transparent light guide body (5) internal, forms light path and change, the light after light path changes is totally reflected through exit facet 5c, or through lower anti-
A part of H2 of veiling glare is formed after the face 5e of penetrating first lower refractions, light and shade is formed by line.
A part of H2 of veiling glare is formed after being reflected through lower reflecting surface 5e is first lower, road lighting is not involved in.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
Reflecting surface 5d and lower reflecting surface 5e is respectively plane on the transparent light guide body 5.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
Reflecting surface (5d) is in stepped high and low two on the transparent light guide body (5), and height two is with skewed transition.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
The transparent light guide body 5 is 1 to 3mm in the difference in height of stepped height two.
Preferably, the transparent light guide body 5 is 1.2 to 1.5mm in the difference in height of stepped height two.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
The plane of incidence 5a of transparent light guide body 5 and exit facet 5c is outer convex.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
The plane of incidence part that the stepped high portion of the transparent light guide body 5 is higher by lower curtate is skewed.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
By the light inside the incident transparent light guide bodies 5 of reflecting surface 5d because light path changes, light and shade is formed by line, wherein
A part is refracted to exit facet 5c light, produces total reflection, is finally irradiated to below transparent light guide body.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
The mechanism of diaphragm 5a is arranged at transparent light guide body emergent light side.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
The light source 1 is semiconductor luminous chip.
According to a kind of transparent light guide body with interception described in the utility model, it is characterised in that
Transparent light guide body 5 is that glass material fires roller-compaction or uses transparent plastic injection molding.
The utility model provides a kind of car light projection-type illuminator again, it is characterised in that
Use a kind of transparent light guide body with interception.
The utility model provides a kind of headlamp again, it is characterised in that use described car light projection-type illuminator.
The beneficial effect that the utility model reaches：There is the transparent light guide body for changing light path effect to replace existing by a kind of car
There is the shadow shield of technology to form light and shade by line, while by 3 kinds of approach, original will be blocked plate block or be reflected as it is miscellaneous
The light of astigmatism re-uses, and participates in illumination, improves the overall light efficiency of projection-type illuminator.Approach 1：A part is shone
The light penetrated less than reflecting surface is irradiated to the plane of incidence of transparent light guide body 5, and exit facet 5c is passed through after being propagated in transparent light guide body
Lens 4 are refracted to, and participate in road lighting.Approach 2：A part reflexes to transparent light guide body 5 by the reflecting surface 2a of speculum 2
Upper reflecting surface 5d, and lens 4 are reflexed to by reflecting surface 5d, and participate in road lighting.Approach 3：A part of reflection by speculum 2
Face 2a reflexes to the upper reflecting surface 5d of transparent light guide body 5, and is refracted to by reflecting surface 5d inside transparent light guide body 5, and passes through
Lower reflecting surface 5e is refracted to lens 4, and participates in road lighting.By above-mentioned approach, another beneficial effect for adding light efficiency exists
In reducing uncontrolled veiling glare.
Brief description of the drawings
Fig. 1 is projection-type illuminator schematic diagram conventional in automobile lamp.
Fig. 2,3 are respectively to be formed by blocking for the mechanism of diaphragm 3a necessary to the light shape such as dim head lights, fog lamp
Light and shade is by line schematic diagram.
Fig. 4 is a kind of assembling schematic diagram of car light projection-type illuminator of the present utility model.
Fig. 5 is optical conductor of the present utility model and light refraction, the projection schematic diagram of illuminator.
Fig. 6 is optical conductor of the present utility model and light refraction, the projection schematic diagram of illuminator.
Fig. 7 is optical conductor of the present utility model and light refraction, the projection schematic diagram of illuminator.
Fig. 8 is optical conductor of the present utility model and light refraction, the projection schematic diagram of illuminator.
Fig. 9 is optical conductor of the present utility model and light refraction, the projection schematic diagram of illuminator.
Figure 10 is the light and shade of dipped beam light shape by line A schematic diagrames.
Figure 11 be fog lamp light and shade by line be horizontal schematic diagram.
In figure, 1 is light source, and 2 be speculum, and 2a is the reflecting surface 2a of speculum 2, and 3 be shadow shield, and 3a is mechanism of diaphragm, 4
It is transparent light guide body for lens, 5,5a is mechanism of diaphragm, and 5b is the plane of incidence, and 5c is exit facet, and 5d, 5e is respectively transparent light guide body
Upper and lower reflecting surface.A for dipped beam light shape light and shade by line, B for fog lamp light and shade by line.F1 illuminates for existing projection-type
The illuminating ray of system, F2 is veiling glare.G be illuminator of the present utility model illuminating ray, according to its source be divided into G1,
G2, G3, G4, H are the veiling glare of illuminator of the present utility model, are divided into H1, H2 according to its source.
Embodiment
Embodiment
Such as Fig. 4, shown in 5, illuminator of the present utility model includes light source 1, speculum 2, transparent light guide body 5 and lens
4.The transparent light guide body 5, which is provided with, to be used for forming mechanism of diaphragm 5a of the light and shade by line.The transparent light guide body 5 is additionally provided with incidence
Face 5b, exit facet 5c and upper and lower reflecting surface 5d, 5e.The preferred semiconductor luminescence chip of light source 1, the light that light source 1 is sent
A part is irradiated to the reflecting surface 2a of speculum 2 and reflected, and one part reflexes to lens 4, and a part reflexes to reflection
Face 5d, as shown in Figure 5.A part is irradiated to the plane of incidence 5b of transparent light guide body 5 and is refracted to inside optical conductor 5.
A part of light inside optical conductor 5 is refracted to reflect or reflex to out by upper reflecting surface 5d by plane of incidence 5b
Face 5c is penetrated, and lens 4 are refracted to by exit facet 5c, by projecting road surface after lens 4, a part for illumination light shape is formed
(Fig. 7).
The another partial illumination of incident ray to speculum 2 reflecting surface 2a and be refracted to down after being reflected to upper reflecting surface 5d
Reflecting surface 5e, also forms the another part (Fig. 8) of illumination light shape after being refracted to lens 4 again through lower reflecting surface 5e, as shown in figure 9,
By projecting road surface after lens 4, a part for illumination light shape is formed.
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and to be reflected to upper reflecting surface (5d) anti-afterwards
It is mapped to the another part G4 (Fig. 9) that illumination light shape is also formed after lens (4).
It is the weight to form light and shade by line by the light inside reflecting surface 5d to transparent light guide body 5 because light path changes
Principle is wanted, a portion is refracted to exit facet 5c light, because incidence angle is more than the angle of total reflection, produce total reflection, such as Fig. 8
It is shown, finally it is irradiated to below transparent light guide body, forms veiling glare H2, it is impossible to reach lens 4, so that road lighting is not involved in,
For uncontrollable light.
A part is refracted to lower reflecting surface 5e light and also forms illumination light shape after lower reflecting surface 5e is refracted to lens 4
A part, but after upper and lower reflecting surface 5d, 5e are reflected twice, because light path changes, equally form light and shade by line
Important principle.
According to the utility model, the transparent light guide body and its car light have with projection-type illuminator by a kind of car to be hidden
The transparent light guide body of light action replaces the shadow shield of prior art to form light and shade by line, while by 3 kinds of approach, will be original
The light re-using that plate blocked or be reflected as veiling glare is blocked, illumination is participated in, improves projection-type illuminator
Overall light efficiency.
Claims (9)
1. a kind of transparent light guide body with interception, is arranged between light source (1) and lens (4), it is characterised in that
The transparent light guide body (5) is provided with it close to the emergent light side of lens (4) to be used for forming diaphragm knot of the light and shade by line
Structure (5a),
The transparent light guide body (5) is that section is in stepped high and low two rectangular block shape,
The transparent light guide body (5) is formed with the plane of incidence (5b), exit facet (5c) and upper and lower reflecting surface (5d, 5e),
An incident ray part is irradiated to the reflecting surface (2a) of speculum (2) and arc reflected directly into lens (4), forms illumination light
A part (G1) for shape.
2. a kind of transparent light guide body with interception as claimed in claim 1, it is characterised in that
The transparent light guide body forms following light path：
Incident ray another part is irradiated to the plane of incidence (5b) of transparent light guide body (5) and is refracted to optical conductor (5) inside, then rolls over
Penetrate or reflex to exit facet (5c) by upper reflecting surface 5d, lens (4) are refracted to by exit facet (5c), after lens (4)
Project road surface, form another part (G2) of illumination light shape, be not refracted to after exit facet (5c) light of lens (4) into
For a part (H1) for veiling glare,
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be refracted to after being reflected to upper reflecting surface (5d)
Lower reflecting surface (5e), also forms the another part (G3) of illumination light shape after being refracted to lens (4) again through lower reflecting surface (5e),
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be reflected to upper reflecting surface (5d) back reflection and arrive
Also the another part (G4) of illumination light shape is formed after lens (4),
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be refracted to after being reflected to upper reflecting surface (5d)
Transparent light guide body (5) is internal, forms light path and changes, and the light after light path changes is totally reflected through exit facet 5c, or through lower reflecting surface
The another part (H2) of veiling glare is formed after (5e) first lower refraction, light and shade is formed by line.
3. a kind of transparent light guide body with interception as claimed in claim 1, it is characterised in that
Reflecting surface (5d) and lower reflecting surface (5e) are respectively plane on the transparent light guide body (5).
4. a kind of transparent light guide body with interception as described in claim 1 or 3, it is characterised in that
Reflecting surface (5d) is in stepped high and low two on the transparent light guide body (5), and height two is with skewed transition.
5. a kind of transparent light guide body with interception as claimed in claim 4, it is characterised in that
The transparent light guide body (5) is 1 to 3mm in the difference in height of stepped height two.
6. a kind of transparent light guide body with interception as claimed in claim 1, it is characterised in that
Transparent light guide body (5) plane of incidence (5a) and exit facet (5c) are outer convex.
7. a kind of transparent light guide body with interception as claimed in claim 1, it is characterised in that
The plane of incidence part that the stepped high portion of the transparent light guide body (5) is higher by lower curtate is skewed.
8. a kind of transparent light guide body with interception as claimed in claim 1, it is characterised in that
By the internal light of the incident transparent light guide body (5) of reflecting surface (5d) because light path changes, light and shade is formed by line, wherein
A part is refracted to exit facet (5c) light, produces total reflection, is finally irradiated to below transparent light guide body.
9. a kind of car light projection-type illuminator, including light source (1), it is arranged at the speculum (2) of light source (1) side and sets
It is placed in the lens (4) of emergent light side, it is characterised in that usage right requires that any one of 1-8 is described a kind of with interception
Transparent light guide body.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035887.7U CN206514204U (en) | 2017-01-12 | 2017-01-12 | A kind of transparent light guide body and its projection-type illuminator with interception |
| US16/476,315 US11408577B2 (en) | 2017-01-12 | 2017-05-08 | Transparent photoconductor having light shielding function, and application thereof |
| PCT/CN2017/083411 WO2018129841A1 (en) | 2017-01-12 | 2017-05-08 | Transparent photoconductor having light shielding function, and application thereof |
| DE112017006796.0T DE112017006796B4 (en) | 2017-01-12 | 2017-05-08 | TRANSPARENT PHOTOCONDUCTOR WITH LIGHT SHIELDING FUNCTION AND APPLICATION THEREOF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035887.7U CN206514204U (en) | 2017-01-12 | 2017-01-12 | A kind of transparent light guide body and its projection-type illuminator with interception |
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| Publication Number | Publication Date |
|---|---|
| CN206514204U true CN206514204U (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720035887.7U Active CN206514204U (en) | 2017-01-12 | 2017-01-12 | A kind of transparent light guide body and its projection-type illuminator with interception |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514204U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764810A (en) * | 2017-01-12 | 2017-05-31 | 上海小糸车灯有限公司 | A kind of transparent light guide body and its application with interception |
| CN108758550A (en) * | 2018-06-22 | 2018-11-06 | 广州赛西标准检测研究院有限公司 | Auto lamp and lens |
| CN110594692A (en) * | 2019-09-25 | 2019-12-20 | 华域视觉科技(上海)有限公司 | Optical conductor subassembly, car light module and vehicle |
-
2017
- 2017-01-12 CN CN201720035887.7U patent/CN206514204U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764810A (en) * | 2017-01-12 | 2017-05-31 | 上海小糸车灯有限公司 | A kind of transparent light guide body and its application with interception |
| CN106764810B (en) * | 2017-01-12 | 2022-11-29 | 华域视觉科技(上海)有限公司 | Transparent optical conductor with shading effect and application thereof |
| CN108758550A (en) * | 2018-06-22 | 2018-11-06 | 广州赛西标准检测研究院有限公司 | Auto lamp and lens |
| CN108758550B (en) * | 2018-06-22 | 2024-02-02 | 广州赛西标准检测研究院有限公司 | Automobile lamp and lens |
| CN110594692A (en) * | 2019-09-25 | 2019-12-20 | 华域视觉科技(上海)有限公司 | Optical conductor subassembly, car light module and vehicle |
| WO2021056947A1 (en) * | 2019-09-25 | 2021-04-01 | 华域视觉科技(上海)有限公司 | Photoconductor assembly, vehicle lamp module, and vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 |