CN214536020U - Light guide piece and vehicle-mounted USB charging port assembly - Google Patents
Light guide piece and vehicle-mounted USB charging port assembly Download PDFInfo
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- CN214536020U CN214536020U CN202120866754.0U CN202120866754U CN214536020U CN 214536020 U CN214536020 U CN 214536020U CN 202120866754 U CN202120866754 U CN 202120866754U CN 214536020 U CN214536020 U CN 214536020U
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Abstract
The utility model relates to a light guide piece, which comprises a light guide piece main body, wherein the light guide piece main body comprises a light inlet part, a light guide part and a light outlet part; the light inlet part is close to the light source, and light emitted by the light source enters the light guide part through the light inlet part; the light outlet part is protruded from the front surface of the light guide part and comprises a weak light area and a strong light area, and the weak light area and the strong light area are comprehensively determined by the shape of the light guide part and the positions of the light inlet part and the light outlet part; the back of the light guide part is provided with a light reflecting part, light rays reflected by the light reflecting part can be emitted from a weak light area of the light emitting part, and the light reflecting part is a plurality of segment-shaped grooves distributed at intervals. The utility model discloses beneficial effect lies in through at the leaded light strip leaded light portion back with go out light portion weak light district add behind the segment shape recess that corresponds in the reflection domain, the whole light-emitting of light portion is more even.
Description
Technical Field
The utility model relates to a leaded light field, concretely relates to leaded light spare and on-vehicle USB mouth assembly that charges.
Background
The vehicle of current many motorcycle types has all set up on-vehicle USB and has charged the mouth in well control panel below, because this position receives external light to shine less, especially at night, when the car owner used to charge, often need extra illumination just can see the mouth that charges. Therefore, the triggering type lighting source is installed at the charging port of the existing vehicle models. The number of the LED lamps is large and the cost is high to achieve the effect of uniform illumination of the charging port; in order to reduce the cost of the LED lamp, the LED lamp has the second type, namely, the light is emitted through the light guide strip surrounding the charging port, so that the overall lighting effect of the charging port can be met by only two LED lamps.
But adopt the leaded light strip reality still to have some insufficiencies, leaded light strip light-emitting effect is not very even promptly, has the macroscopically strong light zone and weak light zone. After technical analysis, the reason for this is comprehensively influenced by the installation position of the LED lamp and the structure of the light guide bar. The installation position of the LED lamp can not be changed due to the design requirements of the whole structure of the charging port and the position of the circuit board, so that the improvement can only be considered from the structure of the light guide strip. The light-emitting principle of the light guide strip says that the light emitted by the LED lamp is reflected and refracted by various edges after entering the inside of the light guide strip and then is emitted from the light-emitting area, but due to the structure of the light guide strip, the light can be emitted from some areas to a lesser extent. The existing improvement method is that the structure of the light guide strip is integrally changed, then the light path is simulated through software, and the integral light emitting is uniform as much as possible, but the mode is very troublesome, a large amount of repeated modification and test simulation are needed, the final effect promotion is limited, and the reproducibility does not exist, namely, the light guide strip structure can be redesigned by changing the charging port of the structure of the automobile type.
Disclosure of Invention
For the weak point of avoiding the background art, the utility model provides a leaded light strip can make the even light-emitting of leaded light strip.
The utility model provides a light guide part, which comprises a light guide part main body, wherein the light guide part main body comprises a light inlet part, a light guide part and a light outlet part; the light inlet part is close to the light source, and light emitted by the light source enters the light guide part through the light inlet part; the light outlet part is protruded from the front surface of the light guide part and comprises a weak light area and a strong light area, and the weak light area and the strong light area are comprehensively determined by the shape of the light guide part and the positions of the light inlet part and the light outlet part; the back of the light guide part is provided with a light reflecting part, and light rays reflected by the light reflecting part can be emitted from a weak light area of the light emitting part.
Furthermore, the light reflecting part is arranged in a reflecting area corresponding to the weak light area, and the reflecting area is formed by orthographically projecting the weak light area to the back of the light guide part.
Preferably, the light reflecting part is a plurality of segment-shaped grooves distributed at intervals.
The utility model also provides a vehicle-mounted USB charging port assembly, which comprises an outer cover plate component and an interface component, wherein the light guide part is arranged between the outer cover plate component and the interface component; the light-emitting part of the light guide piece is integrally in a round-corner rectangle and surrounds the USB interface of the interface component.
The utility model discloses beneficial effect lies in through at the leaded light strip leaded light portion back with go out light portion weak light district add behind the segment shape recess that corresponds in the reflection domain, the whole light-emitting of light portion is more even.
Drawings
FIG. 1 is a perspective view of a vehicle USB charging port assembly.
FIG. 2 is an exploded view of the vehicle USB charging port assembly.
FIG. 3 is a schematic view of the front angle structure of the light guide bar in the vehicle USB charging port assembly.
FIG. 4 is a schematic view of a back angle structure of a light guide bar in a vehicle USB charging port assembly.
FIG. 5 is a software simulation of light uniformity before modification of a light guide bar according to an embodiment.
FIG. 6 is a software simulation of improved light extraction uniformity of a light guide strip according to an embodiment.
Detailed Description
The invention is further described with reference to the following drawings and specific examples.
The principle of this embodiment is very simple, after the shape of leaded light strip 1 and the position of light inlet portion 11 and light outlet portion 13 are confirmed, the weak light area and the strong light area of light outlet portion 13 have just naturally confirmed, then add a plurality of interval distribution's segment shape recess in the reflection zone that the back of leaded light portion 12 corresponds with the weak light area, the segment shape recess can be with the inside light that originally passes through of leaded light strip or the light of escaping loss to the weak light district direction reflection, because the reflection plane of segment shape recess is the special shape of recess bottom surface also this kind of sphere, compare the plane, the angle of acceptable reflection light is bigger wider, the light of reflection is more concentrated, so can strengthen the luminance in weak light area, make weak light area and strong light area light-emitting more even on the whole.
The light guide strip of this embodiment is before the spherical segment shape recess is added in the unmodified, and software simulation's light-emitting effect is shown in fig. 5, can be obvious see, whole light-emitting area is obvious to be divided into two areas that luminance is uneven in light color region and dark color region, and the light color region is obviously higher than the luminance in dark color region. The light guide strip of this embodiment has the light-emitting effect of software simulation behind the segment shape recess as shown in fig. 6, can be obvious see, whole light-emitting area is whole more even unanimous, shows that the light-emitting homogeneity is better. From the light guide strip used in actual production, the effect basically accords with a software simulation diagram, and the light guide strip has good uniformity. It should be noted that the light-colored region and the dark-colored region in the effect map do not represent the absolute brightness of the entire light-emitting region, but represent the relative brightness of the entire light-emitting region at various places, and even if the absolute brightness is strong, the effect map shows the overall dark color as long as the uniformity is uniform.
Although the present invention has been described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention encompassed by the appended claims.
Claims (4)
1. The utility model provides a light guide, includes the light guide main part, its characterized in that: the light guide member main body comprises a light inlet part, a light guide part and a light outlet part;
the light inlet part is adjacent to the light source, and light emitted by the light source enters the light guide part through the light inlet part;
the light emergent part is protruded from the front surface of the light guide part and comprises a weak light area and a strong light area, and the weak light area and the strong light area are integrally determined by the shape of the light guide part and the positions of the light incident part and the light emergent part;
the back of the light guide part is provided with a light reflecting part, and the light reflected by the light reflecting part can be emitted from the weak light area of the light emitting part.
2. A light guide as claimed in claim 1, wherein: the light reflecting part is arranged in a reflecting area corresponding to the weak light area, and the reflecting area is formed by orthographically projecting the weak light area to the back of the light guide part.
3. A light guide as claimed in claim 2, wherein: the light reflecting part is a plurality of segment-shaped grooves distributed at intervals.
4. The utility model provides a vehicle-mounted USB mouth assembly that charges which characterized in that: the light guide member comprises an outer cover plate assembly and an interface assembly, wherein the light guide member according to any one of claims 1 to 3 is arranged between the outer cover plate assembly and the interface assembly; the light outlet part of the light guide piece is integrally in a round corner rectangle and surrounds the USB interface of the interface component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120866754.0U CN214536020U (en) | 2021-04-26 | 2021-04-26 | Light guide piece and vehicle-mounted USB charging port assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120866754.0U CN214536020U (en) | 2021-04-26 | 2021-04-26 | Light guide piece and vehicle-mounted USB charging port assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214536020U true CN214536020U (en) | 2021-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120866754.0U Active CN214536020U (en) | 2021-04-26 | 2021-04-26 | Light guide piece and vehicle-mounted USB charging port assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214536020U (en) |
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2021
- 2021-04-26 CN CN202120866754.0U patent/CN214536020U/en active Active
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