CN114893747A - Integrated internal total reflection car lamp module lens - Google Patents
Integrated internal total reflection car lamp module lens Download PDFInfo
- Publication number
- CN114893747A CN114893747A CN202210417601.7A CN202210417601A CN114893747A CN 114893747 A CN114893747 A CN 114893747A CN 202210417601 A CN202210417601 A CN 202210417601A CN 114893747 A CN114893747 A CN 114893747A
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- Prior art keywords
- total reflection
- light
- lens
- optical
- guide plate
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- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 238000005286 illumination Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
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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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an integrated internal total reflection car lamp module lens, which comprises an optical module, wherein the optical module consists of four optical surfaces, namely an inner wall total reflection lens, a total reflection surface, a light guide plate and a refraction arc-shaped light emitting surface, one end of the refraction arc-shaped light emitting surface is provided with the light guide plate, one end of the light guide plate is provided with the total reflection surface, and the bottom end of the total reflection surface is provided with the inner wall total reflection lens; the second part of optical surface is a total reflection surface on the TIR lens, which plays a role of changing the direction of the light rays and enables the light rays to horizontally exit; the third part of optical surface is a light guide plate, does not change the direction of light rays and leads the light to be conducted linearly; the fourth part of optical surface is a refraction arc-shaped light-emitting surface, plays a role in refracting light, changes the direction of the light, and enables the light-emitting effect to meet the requirement of automobile illumination.
Description
Technical Field
The invention relates to the technical field of vehicle lamps, in particular to an integrated internal total reflection vehicle lamp module lens.
Background
Optical modules of automobile headlamps on the market are divided into two types, wherein one type is that a reflector realizes light distribution of automobile lamps; the other type is that the reflector adds lens and realizes car light grading, along with the car light source uses LED more and more, car light optical module adopts the second kind mode to realize more, and reflector and spotlight lens combine into the mainstream of car light, because the illumination requirement of high beam and passing lamp is different, and the high beam and the passing lamp of car light are two sets of independent optical system.
The existing reflector mode realizes the light distribution of the car lamp, and is influenced by the electroplating process and the reliability of the reflector, so that the light distribution of the car lamp is poor and the stability is not high; and less than 2: the car lamp adopting the mode of adding the light lens on the reflector has a complex structure, high assembly precision requirement and high overall cost; less than 3: subject to two kinds of car light design principles before, the molding of car light is single, can not design special figurative car light outward appearance and be less than 4: the high beam and the dipped headlight of the car light are two sets of independent optical systems, and an integrated internal total reflection car light module lens is needed to solve the problem.
Disclosure of Invention
The invention aims to provide an integrated internal total reflection vehicle lamp module lens to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an integrated internal total reflection car lamp module lens comprises an optical module, wherein the optical module is composed of four optical surfaces, namely an inner wall total reflection lens, a total reflection surface, a light guide plate and a refraction arc-shaped light emitting surface, the light guide plate is arranged at one end of the refraction arc-shaped light emitting surface, the total reflection surface is arranged at one end of the light guide plate, and the inner wall total reflection lens is arranged at the bottom end of the total reflection surface.
Furthermore, the optical module is a single lens module.
Further, the inner wall total reflection lens array mode is a linear type or an arc type.
Further, the optical module lens is one of a linear arrangement straight line or an arc line.
Further, the total reflection surface part is a plane.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention relates to an integrated internal total reflection car lamp module lens, wherein a car lamp optical module is composed of four parts, and the internal wall total reflection lens of the first part plays a role in condensing light and enables light beams to vertically exit; the second part of optical surface is a total reflection surface on the TIR lens, which plays a role of changing the direction of the light rays and enables the light rays to horizontally exit; the third part of optical surface is a light guide plate, does not change the direction of light rays and leads the light to be conducted linearly; the fourth part of the optical surface is a refraction arc-shaped light-emitting surface, plays a role in refracting light, changes the direction of the light and enables the light-emitting effect to meet the requirement of automobile illumination; the LED light source device has the advantages that the illumination requirements of a high beam and a low beam can be simultaneously met by controlling the turning on or off of the LEDs at different positions, the cut-off line of the low beam is clear, the optical surface at a special position can be adjusted according to the special illumination requirements of future vehicle lamps, the LED at the special position is turned on at the position needing turning, and light deflection is realized.
(2) The invention relates to an integrated internal total reflection car lamp module lens, wherein an optical system arranged in the integrated internal total reflection car lamp module lens is linear or arc-shaped, the linear is extremely narrow, and the modeling requirement of the appearance of a car lamp is met.
(3) The invention relates to an integrated internal total reflection car lamp module lens, which is provided with a set of optical system capable of meeting the lighting requirements of a high beam and a low beam at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an integrated total internal reflection vehicle lamp module lens according to an embodiment of the invention;
fig. 2 is a light ray diagram of an integrated total internal reflection vehicle lamp module lens according to an embodiment of the invention.
Reference numerals:
1. an inner wall total reflection lens; 2. a total reflection surface; 3. a light guide plate; 4. a refractive arc light-emitting surface; 5. an optical module.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
referring to fig. 1-2, an integrated total internal reflection vehicle lamp module lens according to an embodiment of the present invention includes an optical module 5, where the optical module 5 includes four optical surfaces, namely an inner wall total reflection lens 1, a total reflection surface 2, a light guide plate 3, and a refraction arc-shaped light emitting surface 4, one end of the refraction arc-shaped light emitting surface 4 is provided with the light guide plate 3, one end of the light guide plate 3 is provided with the total reflection surface 2, and a bottom end of the total reflection surface 2 is provided with the inner wall total reflection lens 1.
The optical module 5 of the car lamp is composed of four parts, and the inner wall total reflection lens 1 of the first part plays a role of condensing light to enable light beams to vertically exit; the second part of optical surface is a total reflection surface 2 on the TIR lens, which plays a role of changing the direction of the light rays and leads the light rays to horizontally exit; the third part of optical surface is a light guide plate 3, which does not change the direction of light and leads the light to be transmitted linearly; the fourth part of the optical surface is a refraction arc-shaped light-emitting surface 4 which plays a role in refracting light, changes the direction of the light and enables the light-emitting effect to meet the requirement of automobile illumination.
In this embodiment, the optical module 5 is a single lens module.
In this embodiment, the array mode of the inner wall total reflection lens 1 is a linear type or an arc type.
In this embodiment, the optical module 5 lens is one of a linear array and an arc.
In this embodiment, the surface of the total reflection surface 2 is a plane.
In a specific application, the optical module 5 of the vehicle lamp is composed of four parts, and the inner wall total reflection lens 1 of the first part plays a role of condensing light to enable light beams to vertically emit; the second part of optical surface is a total reflection surface 2 on the TIR lens, which plays a role of changing the direction of the light rays and leads the light rays to horizontally exit; the third part of optical surface is a light guide plate 3, which does not change the direction of light and leads the light to be transmitted linearly; the fourth part of the optical surface is a refraction arc-shaped light-emitting surface 4 which plays a role of refracting light, changes the direction of the light and enables the light-emitting effect to meet the requirement of automobile illumination; the LED lamp optical system comprises only one optical lens, is low in assembly requirement and high in reliability, is linear or arc-shaped and extremely narrow in line type, meets the modeling requirement of the appearance of the lamp, and can simultaneously meet the lighting requirements of the high beam lamp and the low beam lamp.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The integrated internal total reflection car lamp module lens is characterized by comprising an optical module (5), wherein the optical module (5) is composed of four optical surfaces, namely an inner wall total reflection lens (1), a total reflection surface (2), a light guide plate (3) and a refraction arc-shaped light emitting surface (4), one end of the refraction arc-shaped light emitting surface (4) is provided with the light guide plate (3), one end of the light guide plate (3) is provided with the total reflection surface (2), and the bottom end of the total reflection surface (2) is provided with the inner wall total reflection lens (1).
2. The integrated tir lens module of claim 1, wherein said optical module (5) is a single lens module.
3. The integrated internal reflection vehicle lamp module lens according to claim 1, wherein the array of the internal wall total reflection lenses (1) is linear or circular.
4. The integrated total internal reflection vehicle lamp module lens according to claim 1, wherein the optical module (5) lens is one of a linear arrangement, a straight line and an arc line.
5. The integrated internal reflection vehicle lamp module lens according to claim 1, wherein the surface of the total reflection surface (2) is a plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210417601.7A CN114893747A (en) | 2022-04-21 | 2022-04-21 | Integrated internal total reflection car lamp module lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210417601.7A CN114893747A (en) | 2022-04-21 | 2022-04-21 | Integrated internal total reflection car lamp module lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114893747A true CN114893747A (en) | 2022-08-12 |
Family
ID=82718097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210417601.7A Pending CN114893747A (en) | 2022-04-21 | 2022-04-21 | Integrated internal total reflection car lamp module lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114893747A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1936260A1 (en) * | 2006-12-20 | 2008-06-25 | Valeo Vision | Automobile headlight module for a cut-off beam |
| CN104949024A (en) * | 2014-03-27 | 2015-09-30 | 丽清汽车科技(上海)有限公司 | Lateral-projection total-reflection LED car lamp |
| CN108036277A (en) * | 2017-12-25 | 2018-05-15 | 上海小糸车灯有限公司 | A kind of car light and its light path conduction device |
| CN109724044A (en) * | 2019-02-25 | 2019-05-07 | 华域视觉科技(上海)有限公司 | Car light condenser and car light mould group |
| CN209782494U (en) * | 2019-04-25 | 2019-12-13 | 江西省绿野汽车照明有限公司 | Prism total reflection type short-distance beam module and car lamp |
| CN210601445U (en) * | 2019-10-25 | 2020-05-22 | 华域视觉科技(上海)有限公司 | Optical element of car lamp |
| CN212691666U (en) * | 2020-09-29 | 2021-03-12 | 华域视觉科技(上海)有限公司 | Car light optical element, car light module and car light |
| CN113864727A (en) * | 2021-10-14 | 2021-12-31 | 佛山市禅阳光电科技有限公司 | High-low beam compound focus optical system |
| WO2022068504A1 (en) * | 2020-09-29 | 2022-04-07 | 华域视觉科技(上海)有限公司 | Automotive headlamp system and automotive lamp |
-
2022
- 2022-04-21 CN CN202210417601.7A patent/CN114893747A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1936260A1 (en) * | 2006-12-20 | 2008-06-25 | Valeo Vision | Automobile headlight module for a cut-off beam |
| CN104949024A (en) * | 2014-03-27 | 2015-09-30 | 丽清汽车科技(上海)有限公司 | Lateral-projection total-reflection LED car lamp |
| CN108036277A (en) * | 2017-12-25 | 2018-05-15 | 上海小糸车灯有限公司 | A kind of car light and its light path conduction device |
| CN109724044A (en) * | 2019-02-25 | 2019-05-07 | 华域视觉科技(上海)有限公司 | Car light condenser and car light mould group |
| CN209782494U (en) * | 2019-04-25 | 2019-12-13 | 江西省绿野汽车照明有限公司 | Prism total reflection type short-distance beam module and car lamp |
| CN210601445U (en) * | 2019-10-25 | 2020-05-22 | 华域视觉科技(上海)有限公司 | Optical element of car lamp |
| CN212691666U (en) * | 2020-09-29 | 2021-03-12 | 华域视觉科技(上海)有限公司 | Car light optical element, car light module and car light |
| WO2022068504A1 (en) * | 2020-09-29 | 2022-04-07 | 华域视觉科技(上海)有限公司 | Automotive headlamp system and automotive lamp |
| CN113864727A (en) * | 2021-10-14 | 2021-12-31 | 佛山市禅阳光电科技有限公司 | High-low beam compound focus optical system |
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Application publication date: 20220812 |
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| WD01 | Invention patent application deemed withdrawn after publication |