CN119489758A - A vehicle logo structure with luminous function - Google Patents

Abstract

The invention relates to a car logo structure with a light-emitting function, which is applied to the technical field of automobiles and solves the problems that a light-emitting source in the existing car logo is unevenly arranged on a PCB (printed circuit board), the PCB is large in area, high in manufacturing cost and heavy in overall weight; the light emitting component comprises a circuit board and a light guide plate, wherein a plurality of light emitting sources are arranged on the circuit board and distributed below the light shielding plate, a plurality of light homogenizing grooves matched with the light emitting sources are formed in the lower end face of the light guide plate and are used for refracting light emitted by the light emitting sources to the automobile identification, so that the automobile identification emits light to realize visual identification.

Description

Car logo structure with luminous function

Technical Field

The invention is applied to the technical field of automobiles, and particularly relates to a logo structure with a light-emitting function.

Background

The prior patent publication No. CN116691533A provides a vehicle lighting lamp with a coating and a light color compensation method, the vehicle lighting lamp with the coating comprises a PCB and a lampshade covered on the PCB, at least one basic light source for emitting light rays of a first color and at least one compensation light source for emitting light rays of a third color are arranged on the PCB, the lampshade consists of a light-transmitting car logo area and a light-proof shading area, the car logo area is provided with the coating with a second color, and the compensation light source is used for emitting the light rays of the first color emitted by the light compensation basic light source of the third color, so that the light rays of the first color pass through the coating and then display the first color. The vehicle luminous lamp with the coating and the light color compensation method can enable the automobile logo to display the required color and ensure that the luminous color of the automobile logo meets the requirements.

The above description has the following problems that the light emitting sources in the structure are distributed on the radial outer edge of the PCB, the light sources emitted by the light emitting sources emit light to the central point of the PCB, the structure is provided with uneven light emission, the area of the PCB is large, the manufacturing cost is high, and the whole weight is heavy.

Disclosure of Invention

The invention aims to provide a vehicle logo structure with a light-emitting function, which solves the problems that a light-emitting source in the existing vehicle logo is arranged on a PCB (printed Circuit Board) and is uneven in light emission, the PCB is large in area, high in manufacturing cost and heavy in overall weight.

In order to achieve the above purpose, the invention adopts the following technical scheme:

The invention provides a car logo structure with a light-emitting function, which comprises a bottom shell piece and a top shell piece matched with the bottom shell piece, wherein the upper end surface of the top shell piece is provided with a car logo formed by character strokes or graphic lines protruding from the upper end surface of the top shell piece, the top shell piece and the car logo are made of the same material and light-transmitting materials, and the hollowed-out areas of the car logo are provided with light shielding plates;

the light source is arranged on the circuit board, a plurality of light emitting sources are distributed below the light shielding plate, an embedding groove used for embedding the light emitting sources is formed in the position, corresponding to the light emitting sources, of the lower end face of the light guiding plate, a plurality of light homogenizing grooves matched with the light emitting sources are formed in the lower end face of the light guiding plate and located in the inner area of the automobile sign, and the light homogenizing grooves are used for refracting light emitted by the light emitting sources to the automobile sign so that the automobile sign emits light to realize visual identification.

Further, an extinction coating is arranged on the outer edge surface of the light guide plate in the radial direction.

Further, the plurality of light sources are side light-emitting lamp beads, at least one side light-emitting lamp bead faces the inner side of the light guide plate, the rest side light-emitting lamp beads face the outer side of the light guide plate, the light source emitted by the side light-emitting lamp beads refracts after being emitted into the light homogenizing groove, and the refracted light is diffused to the automobile mark.

Further, the thickness of the light shielding plate is the same as the thickness of the automobile logo.

Further, at least one light-proof bulge is arranged on the side surface of the shading plate, which is attached to the automobile logo.

Further, the light shielding plate and the light-proof protrusions are black or gray in color, and are processed by soft rubber materials.

Further, the cross section of the light homogenizing groove is arranged in a convex semicircular shape.

Further, the circuit board is arranged on the bottom shell, a plurality of limiting notches are formed in the radial outer edge of the circuit board along the circumferential direction of the circuit board, and limiting blocks matched with the limiting notches are arranged on the bottom shell.

Further, the top shell piece and the automobile logo are integrally formed, and the top shell piece and the automobile logo are made of PC materials.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

According to the car logo structure with the light emitting function, the light emitting sources in the car logo structure are distributed in the area, below the light shielding plate, of the light guide plate, namely, the light emitting sources are gathered in the area, close to the center point, of the light guide plate, under the condition that the normal light emitting of the car logo is ensured, the size of the light guide plate can be reduced, the overall weight of the light guide plate is greatly reduced, the space occupied by the light emitting component in the accommodating space is reduced, and the strength of the car logo is improved. In addition, through setting up the light homogenizing groove in the car sign region, the light source that sends out as the light source is through light homogenizing groove with the light source reflection to car sign department, and the setting of this structure is even more, can improve the luminous effect of car sign.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic view of the overall structure in a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the overall structure in a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the top housing member in a preferred embodiment of the present invention;

Fig. 4 is an enlarged view at a in fig. 3;

FIG. 5 is a cross-sectional view of the overall structure in a preferred embodiment of the invention;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is an enlarged view at C in FIG. 5;

fig. 8 is an enlarged view at D in fig. 5;

Fig. 9 is a schematic view showing a structure of a lower end face of a light guide plate in a preferred embodiment of the present invention;

Fig. 10 is a schematic view showing the structure of a light source emitting light irradiation direction in the preferred embodiment of the present invention;

fig. 11 is a schematic view showing the structure of the circuit board and bottom case member in the fitting relation in the preferred embodiment of the present invention.

Wherein reference numerals are as follows:

1. The LED lamp comprises a bottom shell member, a top shell member, a bottom shell member, a3, an automobile logo, a 4, a light shielding plate, a 5, a containing space, a 6, a circuit board, a 7, a light guide plate, a 8, a luminous source, a 9, an embedded groove, a10, a light-proof bulge, a 11, an extinction coating, a12, a limit notch, a 13, a limit bump, a 14, a light-equalizing groove, a 15, a fixed back-off, a 16, an avoidance hole, a 17, a fixed block, a 18, a limit step surface, a 19, a connecting member, a 191, a connecting column, a 192, a limit block, a 20, a fixed bulge, a 22, a limit column, a 23, a buffer space, a 24, a connecting hole, a 25, an electrifying plug, a 26, an embedded part and a 27, and a supporting bulge.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1-4, the vehicle logo structure with the light emitting function provided by the invention comprises a bottom shell 1 and a top shell 2 detachably connected to the bottom shell 1, wherein a plurality of fixing inversions 15 are uniformly arranged on the upper end surface of the bottom shell 1 along the circumferential direction of the top shell, a avoiding hole 16 for the fixing inversions 15 to pass through is arranged on the top shell 2 at a position corresponding to the fixing inversions 15, and a fixing block 17 matched with the fixing inversions 15 is arranged on the inner wall of the avoiding hole 16 far away from the center point of the top shell 2, so that the bottom shell 1 and the top shell 2 can be conveniently assembled together in a fixing mode of the structure, and meanwhile, the vehicle logo structure is convenient to install and detach. The thickness from the upper end surface of the fixed block 17 to the end surface of the bottom end of the avoidance hole 16 is smaller than the depth of the avoidance hole 16, the upper end surface of the fixed block 17 and the inner wall of the avoidance hole 16 form a limit step surface 18 matched with the fixed back-off 15, the fixed back-off 15 can be completely embedded in the avoidance hole 16 through the arrangement of the structure, the flatness of the upper end surface of the top shell piece 2 is guaranteed, and the aesthetic property of the car logo structure is improved.

Referring to fig. 1-3, the upper end face of the top shell 2 is provided with an automobile logo 3 protruding and protruding to the character strokes or the graphic lines on the upper end face of the top shell 2, the top shell 2 and the automobile logo 3 are integrally formed, the automobile logo is conveniently machined through the integrally formed structure, the overall strength is high, the top shell 2 and the automobile logo 3 are made of the same material and are all made of light-transmitting materials, namely, the top shell 2 and the automobile logo 3 are made of PC materials, and the top shell 2 and the automobile logo 3 made of the PC materials have good light transmission. The upper end face of the automobile logo 3 is coated with a coating, the coating is golden or silver, when the automobile logo does not emit light, the automobile logo 3 is golden or silver under the action of the coating, and when the automobile logo emits light, the coating color disappears, and the automobile logo is in a light-emitting state.

Referring to fig. 5 and 6, the hollow areas of the automobile logo 3 are all provided with the light shielding plates 4, the light shielding plates 4 are detachably connected in the hollow areas through the connecting pieces 19, the light shielding plates 4 are processed by TPO soft rubber materials and are black or gray in color, and the light shielding plates 4 have good light shielding performance. The structure that top shell piece 2 is located the car sign 3 outside is installed on the car body to establish on top shell piece 2 outer structure through car fixed end cover lid and fix the car sign, also play the effect of shading under the effect of car fixed end cover this moment, when car sign is luminous, guarantee under the effect of light screen 4 and car fixed end cover that only car sign 3 is luminous. The connecting piece 19 comprises a connecting column 191 vertically arranged at the bottom end of the light shielding plate 7 and a limiting block 192 arranged at the bottom end of the connecting column 191, a connecting hole 24 for the connecting column 191 to pass through is formed in the top shell piece 2 at a position corresponding to the connecting column 191, the outer edge diameter of the limiting block 192 is larger than the inner diameter of the connecting hole 24, the light shielding plate 4 is conveniently fixed on the top shell piece 2 under the action of the connecting column 191 and the limiting block 192, and the light shielding plate 4 is not easy to move up and down. Wherein the area of the top shell 2 located in the limiting block 192 is hollow, so that the overall weight of the top shell 2 can be reduced.

Referring to fig. 5 and 7, the thickness of the light shielding plate 4 is the same as the thickness of the automobile logo 3, so that the side face of the automobile logo 3 can be completely shielded, when the automobile logo 3 emits light, only the upper end face of the automobile logo 3 is ensured to emit light, and the phenomenon that a light source emits from the side face of the automobile logo 3 to cause visual fatigue of a user is avoided. The light screen 4 all is provided with at least one and prevents printing opacity protruding 10 on the side that car sign 3 laminated mutually, prevents that printing opacity protruding 10's colour is black or grey, and prevents that printing opacity protruding 10 also adopts TPO soft gum material to process and form, improves the compactness between light screen 4 and the car sign 3 side through preventing printing opacity protruding 10, makes the firm fixing of light screen 4 in the fretwork district, prevents simultaneously that the phenomenon of light leak from appearing between light screen 4 and the car sign 3.

Referring to fig. 2,5, 9 and 10, a containing space 5 is arranged between the bottom shell 1 and the top shell 2, the top end of the containing space 5 is communicated with a hollow area in the top shell 2, a light-emitting component is arranged in the containing space 5, and light emitted by the light-emitting component is used for illuminating the automobile logo 3, so that the automobile logo 3 emits light to realize visual identification. The luminous assembly comprises a light source emitting part and a light guide plate 7 arranged on the upper end face of the light source emitting part, the light source emitting part comprises a circuit board 6 arranged on a bottom shell part 1 and a plurality of luminous sources 8 arranged on the circuit board 6, wherein an energizing plug 25 for supplying power to the circuit board 6 is arranged on the radial outer edge face of the circuit board 6, the energizing plug 25 is positioned at the bottom end of the longitudinal meridian of the circuit board 6, embedded parts 26 are respectively arranged at positions of the top shell part 2 and the bottom shell part 1 corresponding to the energizing plug 25, and the buckled top shell part 2 is matched with the embedded parts 26 on the bottom shell part 1 to form a placement position for placing the energizing plug 25. The power-on plug 25 is arranged at the bottom end of the longitudinal meridian of the circuit board 6, so that the power-on plug 25 is convenient to connect with an external power supply, and meanwhile, the positioning function is achieved, the circuit board 6 can be conveniently and rapidly installed in a placement position, a plurality of light-emitting sources 8 are distributed below the light-shielding plate 4, embedded grooves 9 for embedding the light-emitting sources 8 are formed in positions, corresponding to the light-emitting sources 8, of the lower end face of the light-guiding plate 7, the light-emitting sources 8 are all side-emitting light beads, at least one side-emitting light bead faces the inner side of the light-guiding plate 7, the rest side-emitting light beads face the outer side of the light-guiding plate 7, and the light sources emitted by the side-emitting light beads facing the outer side of the light-guiding plate 7 do not necessarily emit along the radial direction of the light-guiding plate 7 and can emit obliquely. The lower end face of the light guide plate 7 and the inner area of the automobile logo 3 are provided with a plurality of light homogenizing grooves 14 matched with the light emitting sources 8, and the light homogenizing grooves 14 are used for refracting the light sources emitted by the side light emitting lamp beads onto the automobile logo 3, so that the automobile logo 3 emits light to realize visual identification. The cross section of the light homogenizing groove 14 is arranged in a convex semicircular shape, the light homogenizing groove 14 with the structure has a good refraction effect, the light source emitted by the light emitting source 8 can be better refracted to the automobile logo 3, the light homogenizing is uniform, and the light emitting effect of the automobile logo 3 is improved.

Referring to fig. 9 and 11, the radially outer edge of the circuit board 6 is provided with a plurality of limit notches 12 along its circumferential direction, and the bottom case 1 is provided with limit projections 13 which cooperate with the limit notches 12. Referring to fig. 2, the light guide plate 7 is embedded in the top case 2, a plurality of fixing protrusions 20 are uniformly disposed on a radially outer edge surface of the light guide plate 7 along a circumferential direction thereof, and a limit groove (not labeled in the figure) which is matched with the fixing protrusions 20 is disposed in the top case 2. After the light-emitting component is installed in the accommodating space 5, the circuit board 6 and the light guide plate 7 can be limited and fixed under the cooperation of the limiting convex blocks 13 and the limiting gaps 12 and under the cooperation of the fixing protrusions 20 and the limiting grooves, so that the phenomenon that the light-emitting component rotates in the accommodating space 5 can be avoided, and the stability and the firmness of the light-emitting component in the accommodating space 5 are improved. The number of the fixing protrusions 20 in the invention is two, and the fixing protrusions 20 are unevenly distributed on the outer edge surface of the light guide plate 7, the sizes of the two fixing protrusions 20 are different, the size of the limiting groove is matched with the corresponding size of the fixing protrusion 20, and the two fixing protrusions 20 are set to be different sizes and unevenly distributed on the light guide plate 7 to play a role in positioning, so that the phenomenon of reflecting the light guide plate 7 is not easy to occur during installation, and the effect of quick installation is realized.

Referring to fig. 5 and 8, a limit post 22 for pressing the light guide plate 7 is disposed on the top shell 2 and located at the bottom end surface in the accommodating space 5. After the light-emitting component is arranged in the accommodating space 5, the limiting column 22 can play a limiting role in the longitudinal direction on the light-emitting component, so that the light-emitting component is prevented from moving longitudinally, and the stability and the firmness of the light-emitting component in the accommodating space 5 are improved. In addition, the diameter of the accommodating space 5 in the top shell 2 gradually decreases from bottom to top, and through the arrangement of the structure, after the light guide plate 7 is embedded in the top shell 2, the light guide plate 7 can be longitudinally and transversely limited, so that the light guide plate 7 is prevented from transversely and longitudinally rotating or moving, and the firmness of the car logo structure is further improved.

Referring to fig. 5 and 8, an extinction coating 11 is disposed on an outer edge surface of the light guide plate 7 in a radial direction, the extinction coating 11 is a sand coating or is processed through a spark discharge processing technology, the extinction coating 11 is used for blocking a light source emitted by the light source 8, the emitted light source is enabled to be refracted to the automobile logo 3 only through the light homogenizing groove 14 or reflected to the automobile logo 3 through the extinction coating 11, and the light homogenizing effect is improved.

Referring to fig. 5, bottom case member 1 is downwardly convex at a position located at the central region of the light source emitting member to form a buffer space 23. When the external bottom end of the bottom shell element 1 of the car logo structure receives external impact force, the buffer space 23 plays a role in buffering, so that the luminous component in the accommodating space 5 is prevented from being directly impacted, and the luminous component is protected.

Referring to fig. 2, a plurality of supporting protrusions 27 for supporting the light source emitting member are provided on the bottom end surface of the bottom chassis member 1 and located in the receiving space 5 along the circumferential direction of the buffer space 23. The light source emitting member placed in the bottom case member 1 is supported by the supporting projections 27, so that the stability and the firmness of the light source emitting member are improved.

In addition, the luminous sources 8 in the logo structure are distributed in the area of the light guide plate below the light shielding plate 4, namely, the luminous sources 8 are gathered in the area of the light guide plate 7 close to the center point, so that the size of the light guide plate 7 can be reduced under the condition that the automobile logo 3 can normally emit light, the overall weight of the light guide plate 7 is greatly reduced, the space occupied by luminous components in the accommodating space 5 is reduced, and the strength of the logo is improved. In addition, through setting up the light homogenizing groove 14 in the car sign 3 region, when the light source that the light emitting source 8 sent reflects the light source to car sign 3 department through light homogenizing groove 14, the setting of this structure is even more, can improve the luminous efficacy of car sign 3.

The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (9)

1. A vehicle logo structure with a luminous function, comprising a bottom shell member (1) and a top shell member (2) matched with the bottom shell member (1), the top end surface of the top shell member (2) being provided with a vehicle logo (3) formed of text strokes or graphic lines protruding from the top end surface of the top shell member (1), the top shell member (2) and the vehicle logo (3) being made of the same material and both being processed from a light-transmitting material, and a light shielding plate (4) being provided in a hollowed-out area of the vehicle logo (3); The invention is characterized in that a containing space (5) is provided between the bottom shell component (1) and the top shell component (2), a light-emitting component is arranged in the containing space (5), the light-emitting component comprises a circuit board (6) and a light guide plate (7) arranged on the upper end surface of the circuit board (6), a plurality of light sources (8) are arranged on the circuit board (6), the plurality of light sources (8) are distributed below the light shielding plate (4), an embedding groove (9) for embedding the light source (8) is provided at a position corresponding to the light source (8) on the lower end surface of the light guide plate (7), a plurality of light-distributing grooves (14) cooperating with the light source (8) are provided on the lower end surface of the light guide plate (7) and located in an internal area of the vehicle logo (3), the light-distributing grooves (14) are used to refract light emitted by the light source (8) onto the vehicle logo (3), so that the vehicle logo (3) emits light for visual identification. 2. The vehicle logo structure with luminous function according to claim 1, characterized in that a matte coating (11) is provided on the outer edge surface of the light guide plate (7) in the radial direction. 3. The vehicle logo structure with luminous function according to claim 1 or 2, characterized in that the plurality of light sources (8) are all side-emitting lamp beads, at least one of which faces the inner side of the light guide plate (7), and the rest of which face the outer side of the light guide plate (7), and the light source emitted by the side-emitting lamp beads is refracted after being directed into the light-evening groove (14), and the refracted light is diffused onto the vehicle logo (3). 4. The vehicle logo structure with luminous function according to claim 1, characterized in that the thickness of the shading plate (4) is the same as the thickness of the vehicle logo (3). 5. The vehicle logo structure with luminous function according to claim 1 or 4, characterized in that at least one anti-light transmission protrusion (10) is provided on the side of the shading plate (4) that is in contact with the vehicle logo (3). 6. The vehicle logo structure with luminous function according to claim 5, characterized in that the colors of the shading plate (4) and the anti-light transmission protrusion (10) are both black or gray, and the shading plate (4) and the anti-light transmission protrusion (10) are both made of soft rubber material. 7. The vehicle logo structure with luminous function according to claim 1, characterized in that the cross section of the light-distributing groove (14) is arranged in a convex semicircular shape. 8. The vehicle logo structure with luminous function according to claim 1, characterized in that the circuit board (6) is arranged on the bottom shell (1), a plurality of limiting notches (12) are arranged on the radial outer edge of the circuit board (6) along its circumference, and a limiting block (13) matching with the limiting notches (12) is arranged on the bottom shell (1). 9. The vehicle logo structure with luminous function according to claim 1, characterized in that the top shell (2) and the vehicle logo (3) are integrally formed, and the top shell (2) and the vehicle logo (3) are both made of PC material.