CN210153724U - Thick wall light guide and LED thick wall stop lamp - Google Patents
Thick wall light guide and LED thick wall stop lamp Download PDFInfo
- Publication number
- CN210153724U CN210153724U CN201921027631.7U CN201921027631U CN210153724U CN 210153724 U CN210153724 U CN 210153724U CN 201921027631 U CN201921027631 U CN 201921027631U CN 210153724 U CN210153724 U CN 210153724U
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- Prior art keywords
- light
- thick
- light guide
- walled
- wall
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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
- 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
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
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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
- 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
- F21S43/242—Light guides characterised by the emission area
- F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
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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
- 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
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model relates to a vehicle lamps and lanterns technical field specifically discloses a thick wall light guide and LED thick wall stop lamp. The thick-walled light guide includes a mounting board and a plurality of light guide unit bodies arranged in parallel at intervals on the mounting board. The light guide unit body comprises an incident light part and an emergent light part, the incident light part and the emergent light part are respectively positioned on two opposite sides of the mounting plate, an incident light notch is formed in the incident light part, a scattering part is arranged on the emergent light surface of the emergent light part, and the projection of the emergent light part on the plane where the mounting plate is positioned is in a parallelogram shape. Compared with the structure that the bulb light source is matched with the reflecting bowl in the prior art, the thick-wall light guide part occupies small space and is compact in structure, and designers can perform layout of other functional parts in the residual space. The light-emitting uniformity of the light-emitting surface can be improved by the arrangement of the scattering part, and the problem of dazzling of the lamp light of the vehicle lamp can be avoided. The lighting effect of the lamp is more attractive and easy to identify due to the parallelogram patterns, and the purpose of preventing rear-end accidents can be achieved.
Description
Technical Field
The utility model relates to a vehicle lamps and lanterns technical field especially relates to a thick wall light guide and LED thick wall stop lamp.
Background
The brake lamp is an important functional part of the vehicle, is generally arranged at the tail part of the vehicle, is generally red in main body color, provides a braking warning function for the whole vehicle, can also effectively prevent the occurrence of a rear-end collision event of the vehicle, and reduces traffic accidents. The brake light is designed to meet the relevant national mandatory regulations. Meanwhile, the brake lamp is also an important exterior trim of the whole vehicle, the shape characteristics of the whole vehicle are shown, and the good lighting effect of the brake lamp can give a deep impression to people.
The existing vehicle brake lamp is usually in a structure that a bulb light source is matched with a reflection bowl, the diameter of the reflection bowl is large, and the reflection bowl occupies a large space in the X direction, the Y direction and the Z direction. The stop lamp in a certain vehicle rear combined lamp adopts a bulb as a light source, and the bulb occupies about 100mm in the X direction, the Y direction and the Z direction, so that only one functional lamp of the stop lamp can be arranged in a limited space under the structure, the structural design and the functional layout of the vehicle lamp are restricted, and the appearance attractiveness is influenced. On the other hand, the night lighting effect form of the existing brake lamp is single and is not easy to identify.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thick wall light guide, this thick wall light guide novel shape is unique, lights the molding at night and easily discerns, and small in size compact structure.
To achieve the purpose, the utility model adopts the following technical proposal:
a thick-walled light guide comprising:
mounting a plate;
the light guide units are arranged on the mounting plate in parallel at intervals and comprise light inlet parts and light outlet parts, the light inlet parts and the light outlet parts are respectively positioned on two opposite sides of the mounting plate, light inlet notches are formed in the light inlet parts, scattering parts are arranged on light outlet surfaces of the light outlet parts, and the projection of the light outlet parts on the plane where the mounting plate is positioned is in a parallelogram shape.
In a preferred embodiment of the thick-walled light guide, a distance d between two adjacent light guide unit bodies is 4mm to 6 mm.
In a preferred embodiment of the thick-walled light guide, a height h of a projected pattern of the light-emitting portion on a plane on which the mounting board is located along the Z direction is not more than 21 mm.
As a preferable embodiment of the thick-walled light guide, an inclination angle β of a projected pattern of the light exit portion on a plane on which the mounting board is located is in a range of 40 ° to 50 °.
As a preferable embodiment of the thick-walled light guide, a width a of the light guide unit body ranges from 3mm to 6mm, and a thickness b of the light guide unit body ranges from 30mm to 40 mm.
Another object of the utility model is to provide a thick wall brake light, the molding is easily discerned to the night of this thick wall brake light of lighting, and compact structure, and area is little, and the outward appearance aesthetic property is high.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a LED thick wall stop lamp, includes the PCB board, be provided with a plurality of LEDs on the PCB board, LED thick wall stop lamp still includes support, decoration and as above thick wall light guide, thick wall light guide be fixed in on the support, the support can dismantle connect in the PCB board, the decoration can dismantle connect in on the support, go into the light notch with LED is just to setting up, light-out portion follows wear out in the decoration.
In a preferred embodiment of the LED thick-walled brake lamp, the thick-walled light guide is welded to the mount.
As the preferable technical scheme of the LED thick-wall brake lamp, the bracket is connected with the PCB in a riveting mode.
As the preferable technical scheme of the LED thick-wall brake lamp, the decorating part is clamped or inserted in the bracket.
As a preferable technical scheme of the LED thick-wall brake lamp, the distance between the light-emitting surface of the thick-wall light guide and the PCB is 33mm-43 mm.
Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:
the utility model provides a thick wall light guide and LED thick wall stop lamp, this thick wall light guide include mounting panel and a plurality of light guide unit body, and the parallel interval of a plurality of light guide unit bodies sets up on the mounting panel. The light guide unit body comprises an incident light part and an emergent light part, the incident light part and the emergent light part are respectively positioned on two opposite sides of the mounting plate, an incident light notch is formed in the incident light part, a scattering part is arranged on the emergent light surface of the emergent light part, and the projection of the emergent light part on the plane where the mounting plate is positioned is in a parallelogram shape. Compared with the structure that the bulb is matched with the reflecting bowl in the prior art, the thick-wall light guide part occupies small space and has a compact structure, and designers can perform layout of other functional parts in the residual space. The light-emitting uniformity of the light-emitting surface can be improved by the arrangement of the scattering part, and the problem of dazzling of the lamp light of the vehicle lamp can be avoided. The lighting effect of the lamp is more attractive and easy to recognize due to the parallelogram patterns, the rear vehicle can find the front vehicle brake in time when driving at night, and the purpose of preventing rear-end accidents can be achieved.
Drawings
Fig. 1 is a schematic structural view of a thick-walled light guide according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a projection of a light emitting portion of a light guide unit body on a plane where a mounting plate is located according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a projection pattern of the light emitting portion of the light guide unit body on the plane of the mounting plate according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an LED thick-wall brake lamp according to an embodiment of the present invention;
fig. 5 is an exploded view of an LED thick-walled brake light provided by an embodiment of the present invention;
fig. 6 is a schematic diagram of the position of a PCB board and a thick-walled light guide provided by an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a PCB board and a thick-walled light guide according to an embodiment of the present invention.
In the figure:
1-thick-walled light guides; 11-a mounting plate;
12-a light guiding unit body; 121-light incident part; 1211-incident light notch; 122-a light emitting portion; 1221-a scattering portion;
2-a PCB board; 3-a scaffold; 4-a decorative piece; 5-LED.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are defined, and the terms "inner" and "outer" refer to the inner and outer parts relative to the outline of each part itself, and indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, unless otherwise specified. These directional terms are merely for convenience of description and simplicity of operation, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the scope of the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, the present embodiment provides a thick-walled light guide 1 including a mounting board 11 and a plurality of light guide unit bodies 12, the plurality of light guide unit bodies 12 being disposed in parallel on the mounting board 11 at intervals, the light guide unit bodies 12 being integrally formed with the mounting board 11. The light guide unit 12 includes an incident portion 121 and an emergent portion 122, the incident portion 121 and the emergent portion 122 are respectively located on two opposite sides of the mounting plate 11, an incident notch 1211 is disposed on the incident portion 121, a scattering portion 1221 is disposed on the emergent surface of the emergent portion 122, and a projection of the emergent portion 122 on a plane where the mounting plate 11 is located is a parallelogram.
In the thick-walled light guide 1 according to the present embodiment, the light incident notch 1211 is provided in the light incident portion 121 of the light guide unit 12, as shown in fig. 6 and 7, the light incident notch 1211 is disposed opposite to the LEDs 5 one by one, so that the light emitted from the LEDs 5 can be converged into the thick-walled light guide 1, and the light is totally reflected in the thick-walled light guide 1 and emitted from the light emitting surface of the light emitting portion 122. Compared with the structure that the bulb light source is matched with the reflecting bowl in the prior art, the structure occupies small space and is compact, and designers can perform layout of other functional components in the residual space. The scattering portion 1221 is disposed on the light-emitting surface of the light-emitting portion 122 of the light guide unit 12, so that the uniformity of light-emitting from the light-emitting surface can be improved, and glare of the lamp light can be avoided. Alternatively, the scattering portions 1221 may be regularly arranged serrations or wavy protrusions. The projection of light-emitting portion 122 on the plane where mounting panel 11 is located is parallelogram, makes the effect of lighting of lamps and lanterns more pleasing to the eye and easily discernment, and the back car in time discovers the place ahead vehicle brake when being favorable to going night, can play the purpose that prevents the rear-end collision accident and take place, still provides more flexibility for the lamps and lanterns molding simultaneously.
As shown in fig. 2 and 3, the projection pattern of the light exit portion 122 on the plane of the mounting plate 11 is a parallelogram, and the height h of the parallelogram along the Z direction is not more than 21 mm. Compared with the prior art, the height is reduced, the Z-direction space of the thick-wall light guide member 1 is reduced, and other functional components can be arranged in the residual space by a designer. The distance d between two adjacent light guide unit bodies 12 is 4mm-6mm, and the heat dissipation requirement can be met on the premise of ensuring compact structure. This embodiment is preferably 5 mm.
With continued reference to FIG. 3, the angle of inclination β of the projected pattern ranges from 40 to 50, and this embodiment is preferably designed to be 45 for better aesthetics and easier recognition.
As shown in fig. 7, the width a of the light guide unit body 12 along the Y direction ranges from 3mm to 6mm, preferably 3 mm. The thickness b of the light guide unit body 12 along the X direction ranges from 30mm to 40mm, and is preferably 33 mm. Under this structure, thick wall light guide 1 is not more than 40mm in X structure thickness to, is showing the attenuate thickness to attenuate lamps and lanterns thickness, save space, optimize the outward appearance.
The present embodiment also provides an LED thick-wall brake lamp, which includes a PCB board 2, a bracket 3, a decoration 4, and the above-described thick-wall light guide 1, as shown in fig. 4 and 5. The thick-wall light guide member 1 is fixed on the support 3, the support 3 is detachably connected to the PCB board 2, the decoration member 4 is detachably connected to the support 3, the PCB board 2 is provided with a plurality of LEDs 5, the light incident notch 1211 of the light incident portion 121 of the thick-wall light guide member 1 is opposite to the LED5, and the light emergent portion 122 of the thick-wall light guide member 1 penetrates out of the decoration member 4.
Through setting up support 3, with PCB board 2, thick wall light guide 1 and decoration 4 zonulae occludens together, compact structure accounts for the space little, and the dismouting is changed conveniently. The light inlet notch 1211 of the light inlet part 121 of the thick-wall light guide member 1 is arranged opposite to the LED5, light can be effectively converged, and compared with a structure that a bulb light source is matched with a reflection bowl in the prior art, the light guide member reduces the occupied space, is more compact in structure, and provides a larger design space for the shape of a lamp.
In the present embodiment, two light inlet notches 1211 are disposed on the light inlet portion 121 of each light guide unit body 12, and each light inlet notch 1211 corresponds to one LED 5. In practical design, the number and location of the light recesses 1211 may be designed according to factors such as the number and arrangement of the LEDs 5 on the PCB 2.
Because the LED thick-wall brake lamp adopts the thick-wall light guide member 1, the height of the LED thick-wall brake lamp in the Z direction is obviously reduced, so that the functional space is saved, and the arrangement of other functional components in the residual space by a designer is facilitated.
As shown in fig. 7, which is a schematic cross-sectional view of the PCB and the thick-wall light guide, the maximum distance c between the light-emitting surface of the thick-wall light guide 1 and the PCB 2 is 33mm to 43mm, preferably 36 mm.
Preferably, in the present embodiment, the thick-walled light guide 1 is welded to the bracket 3, and the strength and stability of the connection can be secured. The bracket 3 loaded with the thick-wall light guide member 1 is riveted with the PCB 2, and the decoration member 4 is clamped or inserted on the bracket 3.
Optionally, a riveting column is arranged on the bracket 3, a riveting hole is correspondingly arranged on the PCB 2, and the riveting column is riveted with the riveting hole. Of course, it is also possible to provide a riveting hole on the bracket 3 and a riveting column on the PCB 2 for connection. In other embodiments, the bracket 3 and the PCB 2 may be connected by plugging, clamping or bonding, which is not described herein.
Need explain, the utility model provides a LED thick wall stop lamp is a unit in the stop lamp overall structure, and the stop lamp comprises this LED thick wall stop lamp of a plurality of in fact.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A thick-walled light guide, comprising:
a mounting plate (11);
the light guide unit bodies (12) are arranged on the mounting plate (11) in parallel at intervals, each light guide unit body (12) comprises a light inlet portion (121) and a light outlet portion (122), the light inlet portions (121) and the light outlet portions (122) are respectively located on two opposite sides of the mounting plate (11), light inlet notches (1211) are arranged on the light inlet portions (121), scattering portions (1221) are arranged on light outlet surfaces of the light outlet portions (122), and projection of the light outlet portions (122) on a plane where the mounting plate (11) is located is in a parallelogram shape.
2. A thick-walled light guide according to claim 1, characterized in that the distance d between two adjacent light guiding unit bodies (12) is 4-6 mm.
3. A thick-walled light guide according to claim 1, wherein a height h in the Z direction of a projected pattern of said light exit portion (122) on a plane on which said mounting board (11) is located is not more than 21 mm.
4. A thick-walled light guide according to claim 1, wherein the inclination angle β of the projected pattern of the light exit portion (122) in the plane of the mounting board (11) is in the range of 40 ° to 50 °.
5. A thick-walled light guide according to claim 1, wherein the width a of the light guiding unit body (12) ranges from 3mm to 6mm, and the thickness b of the light guiding unit body (12) ranges from 30mm to 40 mm.
6. An LED thick-wall brake lamp, comprising a PCB (2), wherein a plurality of LEDs (5) are arranged on the PCB (2), characterized in that the LED thick-wall brake lamp further comprises a support (3), a decoration (4) and the thick-wall light guide member as claimed in any one of claims 1 to 5, the thick-wall light guide member (1) is fixed on the support (3), the support (3) is detachably connected on the PCB (2), the decoration (4) is detachably connected on the support (3), the light inlet notch (1211) is opposite to the LEDs (5), and the light outlet part (122) penetrates out of the decoration (4).
7. LED thick-walled brake light according to claim 6, characterized in that the thick-walled light guide (1) is solder-connected with the bracket (3).
8. The LED thick-wall brake lamp according to claim 6, wherein the bracket (3) is riveted with the PCB (2).
9. The LED thick-wall brake lamp as claimed in claim 6, wherein the decoration piece (4) is clamped or plugged into the bracket (3).
10. LED thick-walled brake lamp according to claim 6, characterized in that the distance between the light exit surface of the thick-walled light guide (1) and the PCB board (2) is 33-43 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027631.7U CN210153724U (en) | 2019-07-03 | 2019-07-03 | Thick wall light guide and LED thick wall stop lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027631.7U CN210153724U (en) | 2019-07-03 | 2019-07-03 | Thick wall light guide and LED thick wall stop lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210153724U true CN210153724U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921027631.7U Active CN210153724U (en) | 2019-07-03 | 2019-07-03 | Thick wall light guide and LED thick wall stop lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210153724U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164120A (en) * | 2022-07-14 | 2022-10-11 | 重庆睿博光电股份有限公司 | Three-dimensional linear atmosphere lamp structure |
| EP4321799A1 (en) * | 2022-08-12 | 2024-02-14 | Coplus Inc. | Vehicle lamp |
| CN118463069A (en) * | 2024-07-12 | 2024-08-09 | 浙江嘉利（丽水）工业股份有限公司 | Combined light guide used on new energy automobile lamp |
-
2019
- 2019-07-03 CN CN201921027631.7U patent/CN210153724U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164120A (en) * | 2022-07-14 | 2022-10-11 | 重庆睿博光电股份有限公司 | Three-dimensional linear atmosphere lamp structure |
| CN115164120B (en) * | 2022-07-14 | 2024-03-15 | 重庆睿博光电股份有限公司 | Structure of stereoscopic linear atmosphere lamp |
| EP4321799A1 (en) * | 2022-08-12 | 2024-02-14 | Coplus Inc. | Vehicle lamp |
| CN118463069A (en) * | 2024-07-12 | 2024-08-09 | 浙江嘉利（丽水）工业股份有限公司 | Combined light guide used on new energy automobile lamp |
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