CN106895339B - Square light guide mounting structure - Google Patents
Square light guide mounting structure Download PDFInfo
- Publication number
- CN106895339B CN106895339B CN201710248092.9A CN201710248092A CN106895339B CN 106895339 B CN106895339 B CN 106895339B CN 201710248092 A CN201710248092 A CN 201710248092A CN 106895339 B CN106895339 B CN 106895339B
- Authority
- CN
- China
- Prior art keywords
- light guide
- light
- guide strip
- mounting structure
- strip
- 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.)
- Active
Links
- 238000005452 bending Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 235000009537 plain noodles Nutrition 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
Abstract
The invention relates to a square light guide mounting structure which comprises a bracket, an LED circuit board and a light guide strip, wherein the LED circuit board is fixed on the bracket, the light guide strip is rectangular in cross section, one side surface of the light guide strip is a light-emitting surface, spiral light guide teeth are distributed on the back surface of the light-emitting surface, the light-emitting surface of an LED on the LED circuit board faces one end of the light guide strip, a flanging is respectively arranged on the other two sides of the light guide strip, a notch is arranged near the light-entering surface on the flanging, light guide grooves with two sides being step surfaces are respectively arranged on the vertical surfaces on the outer sides of the step surfaces, the light guide strip is suspended in the light guide grooves, the flanging is lapped on the step surfaces on the two sides, the positioning ribs are matched with the corresponding notches, the end surfaces of the flanging near the light-entering surface are abutted against the corresponding end plate surfaces on the bracket, the clamping feet are arranged at the light-entering surface far ends of the light guide strip, and the clamping feet are in clamping connection with the corresponding clamping grooves on the bracket. The invention can present spiral pattern lighting effect similar to DNA shape and has strong spatial third dimension.
Description
Technical Field
The invention relates to a square light guide mounting structure, in particular to a square light guide for a steering lamp and a brake lamp in an automobile tail lamp and a mounting structure thereof, and belongs to the technical field of automobile illumination.
Background
With the development of LEDs in the field of automotive lighting, the application of light guiding structures in automotive lighting is becoming more and more popular, and the light guiding structures are no longer patents of high-end vehicle types, but are applied to various types of vehicle types in a large number. The cross section of the traditional light guide structure is usually circular, the light type is in a traditional uniform lighting state, the lighting effect is single, the novel meaning is lacking, and the requirements of the ever-increasing novelty and individuation on the appearance of the car lamp are difficult to adapt.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a square light guide mounting structure which can present a spiral pattern type lighting effect similar to a DNA shape and has strong space third dimension.
The main technical scheme of the invention is as follows:
the utility model provides a square light guide mounting structure, includes the support and fixes LED circuit board and the transversal light guide strip that personally submits the rectangle on the support, light guide strip one end is the income plain noodles, and a side is the light exit face, the plain noodles do not have the decorative pattern, the back of light exit face distributes and has the light guide tooth of spiral arrangement, the light exit face orientation of LED on the LED circuit board the light entrance face of light guide strip, the both sides of the light exit face of light guide strip respectively are equipped with a turn-ups, be close to on the turn-ups light entrance face department is equipped with the breach respectively, be equipped with the light guide groove on the support, the both sides of light guide groove are equipped with the step face, be equipped with the spacer bar that stretches to inboard on the facade that the step face was close to the outside respectively, the light guide strip is placed in the light guide groove, the turn-ups are taken in on the step face of light guide groove both sides, the bottom surface of light guide groove with the light guide strip does not contact, the spacer bar grafting is in the corresponding breach, the turn-ups is close to the terminal surface of light entrance face is in the support, be equipped with the buckle with on the card face is gone into the card foot corresponding to the card on the support, the card is kept away from the card foot is formed to the card is connected with the card foot on the support.
The light guide teeth are preferably spaced from the bottom surface of the light guide slot by a distance of 1.5-2 mm.
Preferably, white paint is sprayed on the surface of the light guide groove.
The light incident surface of the light guide strip can be provided with a light condensing and reflecting surface.
The number and the positions of the condensing reflecting surfaces can be one or more, and the condensing reflecting surfaces correspond to the LEDs one by one.
The light guide strip can be in an arc bending shape, the outer arc cylindrical surface is the light emitting surface, and the inner arc cylindrical surface is the back surface.
And the bracket can be also fixed with a radiator, and the LED circuit board is adhered and fixed on the radiator through heat-conducting glue.
The support can be provided with a limiting convex rib, and the support is contacted with the LED circuit board through the limiting convex rib.
The square light guide mounting structure also preferably comprises a decorative ring, the decorative ring is fixedly mounted on the support from the light-emitting surface to the back surface of the light guide strip, a plurality of top ribs are arranged in a long and narrow area of the decorative ring corresponding to the flanging, and in an assembled state, the top ribs are in contact with the flanging line to press the light guide strip on the support.
The light guide grooves and the light guide strips are respectively arranged in a matched mode, are distributed up and down, the light guide strips arranged in the upper light guide grooves serve as braking lamps in automobile tail lamps, and the light guide strips arranged in the lower light guide grooves serve as steering lamps in the automobile tail lamps.
The beneficial effects of the invention are as follows:
the fixing mode that the flanging of the light guide strip is tightly pressed by the top rib of the decorative ring is adopted to fix the light guide strip in the support, so that the fixing mode is reliable in installation, simple in structure, and particularly, compared with a traditional light guide strip with a round cross section, the light guide strip with a rectangular cross section has unique shapeability, can construct cool and dazzling light patterns by controlling the shape and/or arrangement of light guide teeth, and has extremely high value in pushing the light guide diversified design.
Drawings
FIG. 1 is an exploded view of one embodiment of the light guide mounting structure;
FIG. 2 is a front view of the assembled state of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a front view of the decorative ring of FIG. 1 without the decorative ring;
FIG. 6 is an enlarged view of part of C of FIG. 5;
FIG. 7 is a rear elevational view of the light guide strip;
FIG. 8 is an enlarged view of part F of FIG. 7;
FIG. 9 is a top view of FIG. 7;
fig. 10 is a partial enlarged view of the clip pin on the light guide strip.
Reference numerals: 1. a decorative ring; 2. a bracket; 2-1, 2-2, a light guide positioning rib is arranged on the bracket; 2-3, 2-4. The side positioning surface of the bracket; 3. braking the light guide bar; 3-1, 3-2. Notch; 3-4, 3-5, condensing reflecting surfaces; 3-6, light guide teeth; 3-7, clamping pins of the light guide strips; 4. steering light guide bar; 5. brake lamp radiator; 6. and a steering lamp radiator.
Detailed Description
The invention discloses a square light guide mounting structure, which is characterized by taking an automobile tail lamp with two square light guide strips as shown in figures 1-10 as an example. The square light guide mounting structure comprises a bracket 2, an LED circuit board fixed on the bracket and light guide strips 3 and 4 with rectangular cross sections. One end of the light guide strip is a light incident surface, one side surface is a light emergent surface, the light emergent surface is free of patterns, the back surface of the light emergent surface (namely the other side surface opposite to the light emergent surface) is provided with spirally arranged light guide teeth 3-6, and the light emergent surface of the LEDs on the LED circuit board faces the light incident surface of the light guide strip.
At least one of the light guide strips is mounted using the mounting structure of the present invention, the light guide strip 3 being described herein as a locating structure of the light guide strip in a holder, in particular in the YZ plane. Two sides of the light-emitting surface of the light guide strip are respectively provided with a flanging (namely, two other side surfaces adjacent to the light-emitting surface of the light guide strip are respectively provided with an overhanging convex rib structure), and gaps 3-1 and 3-2 are respectively arranged on the flanging and close to the light-entering surface. The notch on each flanging can also be a plurality of notches. The support is provided with a light guide groove for installing the light guide strip, two sides of the long side of the light guide groove are provided with step surfaces, and vertical surfaces, close to the outer sides, of the step surfaces on the two sides are respectively provided with positioning ribs 2-1 and 2-2 extending to the inner sides. The light guide strip is arranged in the light guide groove of the support, the turned edges are respectively lapped on the step surfaces at two sides of the light guide groove, the back surface of the light guide strip is sunk into the light guide groove, and the bottom surface of the light guide groove is not contacted with the light guide strip. The positioning ribs are inserted into the corresponding notches and matched with the notches so as to limit rightward displacement of the light guide strips 3 in the Y direction, and the end faces, close to the light incident surface, of the turnups are abutted against the corresponding end plate surface positioning surfaces 2-3 and 2-4 on the support so as to limit leftward displacement of the light guide strips 3 in the Y direction, so that the positions of the light guide strips in the light guide grooves are ensured.
And one end of the light guide strip, which is far away from the light incident surface, is provided with a clamping foot 3-7 which is in buckling connection with a corresponding clamping groove on the bracket. The pre-installation of the light guide strip and the bracket can be realized through the buckle connection, and the displacement of the end part of the light guide strip in the X direction is limited. The clamping feet extend towards the back face along the normal direction of the light emitting surface of the light guide strip.
The square light guide mounting structure may be structurally optimized by a combination of one or more of the following:
the flange is preferably positioned at the middle position of the side edge of the light guide strip and is a complete flange. The two ends of the turnup do not extend to the end face of the light guide strip, especially the light incident face end, and the end part of the turnup structure of the light guide strip is not contacted with the light condensation reflecting face.
The guide teeth are preferably spaced from the bottom surface of the guide groove by a distance of 1.5-2mm, which is ensured by the relative height of the collar on the light guide strip and the step surface on the support.
Preferably, white paint is sprayed on the inner side surface of the light guide groove to ensure the luminous flux of the light guide strip.
And the light incident surface of the light guide strip is provided with light condensation reflecting surfaces 3-4 and 3-5 for light condensation of the LED. The light-gathering reflecting surface is concave.
The number and the positions of the condensing reflecting surfaces can be one or more, and the condensing reflecting surfaces correspond to the LEDs one by one. In this embodiment, two LEDs are used as the light source of the light guiding strip 3, so that two condensing and reflecting surfaces are preferably provided.
The light guide strip can be in an arc bending shape, the outer arc cylindrical surface is the light emitting surface, and the inner arc cylindrical surface is the back surface.
And the bracket is also fixedly provided with radiators 5 and 6 which respectively correspond to the light guide strips 3 and 4 and are used for radiating light sources corresponding to the light guide strips. The heat dissipation of the light guide strip adopts a passive heat dissipation mode, and the LED circuit board is fixedly adhered to the radiator through heat conduction adhesive. The LED circuit board and the radiator can be used as a small assembly to be fixed on the bracket through screws after being positioned through the positioning pins on the bracket.
The LED light guide strip is characterized in that a limiting convex rib can be further arranged on the support, the support is in contact with the LED circuit board through the limiting convex rib, and the distance between the LED and the light inlet surface of the light guide strip is ensured through the limiting convex rib.
The square light guide mounting structure also preferably comprises a decorative ring 1, wherein the decorative ring is arranged from the light emitting surface of the light guide strip to the back surface cover and is fixedly mounted on the support, a plurality of top ribs, for example, 4 top ribs are arranged in a long and narrow area corresponding to the flanging on the decorative ring, and in an assembly state, the top ribs are contacted with the flanging line to press the light guide strip on the support, so that the displacement of the light guide strip in the X direction can be effectively limited, and the mounting precision and reliability of the light guide strip are ensured. The ribs are preferably evenly distributed along the flange.
The decorative ring and the bracket can be connected through a buckle and fixed through a screw. During installation, the decorative ring and the support are assembled through the buckle structure, and then the decorative ring and the support are fixed through a plurality of screws.
In this embodiment, the two light guide grooves and the two light guide strips are respectively installed in a matching way, and are distributed up and down, the light guide strip 3 installed in the upper light guide groove serves as a brake light in the automobile tail light, and the light guide strip 4 installed in the lower light guide groove serves as a steering light in the automobile tail light. Accordingly, the radiator 5 serves as a brake lamp radiator, and the radiator 6 serves as a turn lamp radiator.
The arrangement of the light guide teeth is not a standard structure, but has a certain modeling, namely a spiral structure, and light is conducted along the light guide teeth arranged in a spiral shape, so that the light guide teeth in the spiral shape are displayed. Specifically, the arrangement of the light guide teeth on the back surface is in a spiral shape as shown in fig. 8. Each light guide tooth extends along the width direction of the back surface, and the spiral shape extends along the length direction of the back surface. The spiral shape can be regarded as a closed chain shape formed by connecting a plurality of X-shaped units left and right in sequence and then closing openings at the left end and the right end by using straight lines, wherein the straight lines and the X-shaped units are formed by arranging a plurality of light guide teeth, two lines (straight lines or curves) intersecting with the X-shaped units are in an up-down superposition effect, and superposition sequences are fixed, so that the boundary of the light guide teeth of the closed chain shape pattern outlines the visual effect of presenting the space spiral shape when the light guide bar is not lightened. The luminous strip which is similar to the DNA spiral shape is further displayed after the light guide strip is lightened, so that the luminous strip has strong spatial third dimension and can be well suitable for the daily and monthly development of the car lamp.
The X-direction, Y-direction, and Z-direction referred to in this specification refer to directions in a vehicle body coordinate system, wherein the X-direction refers to the front-rear direction of the vehicle body, the Y-direction refers to the left-right direction of the vehicle body, and the Z-direction refers to the up-down direction of the vehicle body.
Claims (10)
1. A square light guide mounting structure, characterized in that: the LED circuit board is characterized by comprising a support, an LED circuit board and a light guide strip, wherein the LED circuit board and the light guide strip are fixed on the support, the cross section of the light guide strip is rectangular, one end of the light guide strip is a light inlet surface, one side surface of the light guide strip is a light outlet surface, the light outlet surface is free of patterns, light guide teeth which are spirally distributed are distributed on the back surface of the light outlet surface, the light outlet surfaces of LEDs on the LED circuit board face the light inlet surface of the light guide strip, two sides of the light outlet surface of the light guide strip are respectively provided with a flanging, gaps are respectively arranged at the positions, close to the light inlet surface, of the flanging, on the corresponding plate surface of the support, the two sides of the light guide groove are respectively provided with a step surface, positioning ribs which extend to the inner side are respectively arranged on the vertical surfaces, the flanging is lapped on the step surfaces at the two sides of the light guide grooves, the bottom surface of the light guide groove is not contacted with the light guide strip, the positioning ribs are matched in the corresponding gaps, the end faces, the flanges, the end faces, close to one ends of the light inlet surface of the light guide strip are abutted against the plate surfaces of the corresponding ends of the support, the light guide strip is provided with clamping pins, and the clamping pins are far away from the clamping pins, and the clamping pins are correspondingly connected with the clamping pins, and the clamping pins are arranged on the clamping pins, and the clamping pins are connected with the corresponding ends.
2. The square light guide mounting structure as defined in claim 1, wherein: the distance between the light guide teeth and the bottom surface of the light guide groove is kept between 1.5 and 2 mm.
3. The square light guide mounting structure as defined in claim 1, wherein: and spraying white paint on the surface of the light guide groove.
4. The square light guide mounting structure as defined in claim 1, wherein: the light incident surface of the light guide strip is provided with a light condensing and reflecting surface.
5. A square light guide mounting structure as defined in claim 4, wherein: one or more condensing reflecting surfaces are arranged, and the quantity and the positions of the condensing reflecting surfaces are in one-to-one correspondence with the LEDs.
6. The square light guide mounting structure as defined in claim 1, wherein: the light guide strip is in an arc-shaped bending shape, the outer arc-shaped cylindrical surface is the light emitting surface, and the inner arc-shaped cylindrical surface is the back surface.
7. The square light guide mounting structure as defined in claim 1, wherein: and a radiator is also fixed on the bracket, and the LED circuit board is adhered and fixed on the radiator through heat-conducting glue.
8. The square light guide mounting structure as defined in claim 7, wherein: and the support is provided with a limiting convex rib, and the support is contacted with the LED circuit board through the limiting convex rib.
9. The square light guide mounting structure of claim 1, 2, 3, 4, 5, 6, 7, or 8, wherein: the light guide strip is characterized by further comprising a decorative ring, wherein the decorative ring is fixedly arranged on the support from the light-emitting surface to the back surface of the light guide strip, a plurality of top ribs are arranged in long and narrow areas, corresponding to the flanging, of the decorative ring, and in an assembled state, the top ribs are in contact with the flanging to compress the light guide strip on the support.
10. The square light guide mounting structure as defined in claim 9, wherein: the light guide grooves and the light guide strips are respectively arranged in a matched mode, are distributed up and down, the light guide strips arranged in the upper light guide grooves serve as braking lamps in automobile tail lamps, and the light guide strips arranged in the lower light guide grooves serve as steering lamps in the automobile tail lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248092.9A CN106895339B (en) | 2017-04-17 | 2017-04-17 | Square light guide mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248092.9A CN106895339B (en) | 2017-04-17 | 2017-04-17 | Square light guide mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106895339A CN106895339A (en) | 2017-06-27 |
| CN106895339B true CN106895339B (en) | 2023-11-24 |
Family
ID=59196241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710248092.9A Active CN106895339B (en) | 2017-04-17 | 2017-04-17 | Square light guide mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106895339B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061278B (en) * | 2017-11-24 | 2024-04-09 | 华域视觉科技(上海)有限公司 | OLED screen assembly and car lamp |
| CN107702056A (en) * | 2017-11-24 | 2018-02-16 | 上海小糸车灯有限公司 | OLED screen body component and car light |
| CN108105716A (en) * | 2018-01-18 | 2018-06-01 | 上海小糸车灯有限公司 | It can prevent the light guide installation foot mounting structure of lighting bright spot |
| CN108954214A (en) * | 2018-05-31 | 2018-12-07 | 丽清汽车科技(上海)有限公司 | A kind of light and thin type taillight |
| CN108775546A (en) * | 2018-07-17 | 2018-11-09 | 华域视觉科技(上海)有限公司 | Car light light conducting bar |
| CN109185829A (en) * | 2018-10-18 | 2019-01-11 | 温州博盛汽车配件有限公司 | A kind of leaded light block and Auto side steering light |
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| CN1712767A (en) * | 2004-06-23 | 2005-12-28 | 奥斯兰姆施尔凡尼亚公司 | Led lamp with central optical light guide |
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| Publication number | Publication date |
|---|---|
| CN106895339A (en) | 2017-06-27 |
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