CN114593382A - Automobile trim board assembly and automobile - Google Patents

Automobile trim board assembly and automobile Download PDF

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Publication number
CN114593382A
CN114593382A CN202011644212.5A CN202011644212A CN114593382A CN 114593382 A CN114593382 A CN 114593382A CN 202011644212 A CN202011644212 A CN 202011644212A CN 114593382 A CN114593382 A CN 114593382A
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CN
China
Prior art keywords
light
light guide
guide plate
plate
diffusion
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.)
Granted
Application number
CN202011644212.5A
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Chinese (zh)
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CN114593382B (en
Inventor
颜悌君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI YUZHOU ELECTRICAL EQU
Original Assignee
Shenzhen Herui Software Co ltd
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Publication date
Application filed by Shenzhen Herui Software Co ltd filed Critical Shenzhen Herui Software Co ltd
Priority to CN202011644212.5A priority Critical patent/CN114593382B/en
Publication of CN114593382A publication Critical patent/CN114593382A/en
Application granted granted Critical
Publication of CN114593382B publication Critical patent/CN114593382B/en
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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
    • F21S8/00—Lighting devices intended for fixed installation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • 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
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21V5/00—Refractors for light sources
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • 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
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • 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
    • F21W2106/00—Interior vehicle lighting devices

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The application provides a car plaque subassembly and car, car plaque subassembly includes: the light guide plate comprises a base, a light guide plate, a light source and a cover plate, wherein a circuit board is arranged on one side of the base; the light guide plate is fixed on the base and clamps the circuit board with the base, the light guide plate is provided with a special-shaped hole penetrating through the light guide plate, and the hole wall of the special-shaped hole comprises a plurality of diffusion curved surfaces; the light sources are fixed on one side of the circuit board, which is far away from the base, and are accommodated in the special-shaped holes, the light sources are arranged corresponding to the diffusion curved surfaces, and light emitted by the light sources is emitted into the light guide plate through the diffusion curved surfaces; the cover plate is buckled with the base and comprises a light screen and a light transmission plate which are connected; the light shading plate is provided with a cover plate cavity, the light-passing plate is arranged in the cover plate cavity and is fixedly connected with the light shading plate, and the orthographic projection of the light-passing plate on the light guide plate is positioned in the light guide plate. The application provides a car plaque subassembly and car luminous angle is big, luminous even, the luminance is high, light is soft and decorative strong.

Description

Automobile trim board assembly and automobile
Technical Field
The application relates to the technical field of automobiles, in particular to an automobile decorative plate assembly and an automobile.
Background
With the improvement of the living standard of people, automobiles become indispensable transportation means in daily life, and based on the practicability of automobiles, automobiles bring great convenience to human life and simultaneously bring the development of automobile-related industries.
The automobile seen in the market at present is mainly refined in the aspects of dynamic property, fuel economy, braking property, control stability, smoothness, trafficability and the like, but the development of the light decoration has obvious defects, and the method is specifically embodied in the aspects of uneven light emission, low light utilization rate, low light brightness, insufficient light softness, single lamp decoration and no innovation. The quality of life of people is continuously improved, and the requirement on the lamp decoration of the automobile is higher and higher while normal traffic rules are not influenced.
Therefore, how to design an automobile trim panel assembly and an automobile with the same, which have a large light-emitting angle, uniform light emission, high light utilization rate, high brightness, soft light and strong decoration, become a technical problem to be solved urgently.
Disclosure of Invention
The application provides a car plaque subassembly and have car plaque subassembly that luminous angle is big, luminous even, light utilization rate is high, luminance is high, light is soft and decorative property is strong.
In a first aspect, the present invention provides an automotive trim panel assembly comprising:
the circuit board is arranged on one side of the base;
the light guide plate is fixed on the base and clamps the circuit board with the base, the light guide plate is provided with a special-shaped hole penetrating through the light guide plate, and the hole wall of the special-shaped hole comprises a plurality of diffusion curved surfaces;
the light sources are fixed on one side, far away from the base, of the circuit board and accommodated in the special-shaped holes, the light sources are arranged corresponding to the diffusion curved surfaces, and light emitted by the light sources is emitted into the light guide plate through the diffusion curved surfaces; and
the cover plate is buckled with the base and comprises a light shading plate and a light transmission plate which are connected; the light-transmitting plate is provided with a cover plate cavity, the light-transmitting plate is arranged in the cover plate cavity and fixedly connected with the light-transmitting plate, and the orthographic projection of the light-transmitting plate is positioned in the light-transmitting plate.
In a possible implementation manner, the light guide plate includes an annular light guide portion and a plurality of protrusions disposed on an inner wall of the annular light guide portion, a surface of the plurality of protrusions facing away from the annular light guide portion and an inner wall surface of the annular light guide portion surround the irregularly-shaped hole, and at least one of the plurality of diffusion curved surfaces is disposed on a surface of the protrusion facing away from the annular light guide portion.
In a possible embodiment, the inner wall surface of the annular light guide portion includes a first wall surface, a second wall surface, a third wall surface and a fourth wall surface that are connected in sequence, the first wall surface is disposed opposite to the third wall surface, the second wall surface is disposed opposite to the fourth wall surface, and a connection surface between the first wall surface and the second wall surface is an arc transition surface;
the plurality of protrusions comprise first protrusions and second protrusions which are arranged on the first wall surface at intervals, third protrusions which are arranged on the second wall surface, and fourth protrusions which are arranged on the third wall surface.
In one possible embodiment, the plurality of diffusion curved surfaces includes a first diffusion curved surface, a second diffusion curved surface, a third diffusion curved surface, a fourth diffusion curved surface and a fifth diffusion curved surface; the first diffusion curved surface, the second diffusion curved surface, the third diffusion curved surface and the fourth diffusion curved surface are respectively arranged at one end of the first protrusion, the second protrusion, the third protrusion and the fourth protrusion, which are away from the annular light guide part, and at least part of a connecting surface between the first wall surface and the second wall surface forms the fifth diffusion curved surface.
In a possible implementation manner, the automobile trim panel assembly further includes a reflective film and a diffusion film, the light guide plate is sandwiched between the reflective film and the diffusion film, the reflective film is disposed on one side of the light guide plate close to the base, the diffusion film is disposed on one side of the light guide plate close to the cover plate, and orthographic projections of the reflective film and the diffusion film on the light guide plate are overlapped with the light guide plate; point light emitted by the light source is converted into surface light through the light guide plate, part of the surface light is directly emitted from one side, close to the diffusion film, of the light guide plate, and the other part of the surface light is emitted from one side, close to the diffusion film, of the light guide plate after being reflected by the light reflecting film; the light guide plate is provided with a light guide plate, the light guide plate is provided with a diffusion film, the light guide plate is provided with a light guide plate, the light guide plate is provided with a diffusion film, and the light guide plate is provided with a light guide plate.
In a possible embodiment, a light diffusing agent is disposed in the light-transmitting plate, and the light diffusing agent is used for diffusing the light emitted through the diffusion film.
In one possible embodiment, the shutter plate comprises a first shutter plate and a second shutter plate, the first shutter plate having a hollow cavity; the second shading plate is arranged in the hollow cavity, one part of the outer peripheral edge of the second shading plate is fixedly connected to the inner peripheral edge of the first shading plate, the other part of the outer peripheral edge of the second shading plate is arranged at intervals with the inner peripheral edge of the first shading plate, and the outer peripheral edge of the second shading plate and the inner peripheral edge of the first shading plate are arranged in a surrounding mode to form the cover plate cavity; the apron is close to one side of base is equipped with the encircleing the fixed boss of apron cavity, the periphery of light-passing board along with the laminating of the interior border of fixed boss.
In a possible implementation mode, the fixed boss is provided with a limit notch, the periphery edge of the light-transmitting plate is provided with a limit protrusion, and the limit protrusion is clamped with the limit notch.
In a possible implementation manner, the light shielding plate further comprises a first decorative plate and a second decorative plate, one side of the first light shielding plate, which is far away from the base, is provided with a first groove for accommodating the first decorative plate and a second groove for accommodating the second decorative plate, the first decorative plate is fixed in the first groove, and the second decorative plate is fixed in the second groove.
In another aspect, the present invention provides an automobile, including the automobile trim panel assembly, and further including a power supply device electrically connected to the circuit board, so that the light source on the circuit board emits light normally.
The light guide plate is provided with the special-shaped hole penetrating through the light guide plate, the hole wall of the special-shaped hole is provided with the diffusion curved surface, the special-shaped hole accommodates the light source on the circuit board, and the light source is arranged corresponding to the diffusion curved surface. When the circuit board is electrified to light the light source, the light emitted by the light source is distributed on the light guide plate around the special-shaped hole under the action of the diffusion curved surface, so that the light-emitting angle is increased, and the light utilization rate is improved; light emitted by the light source is diffused through the light teeth on one side of the light guide plate close to the base, so that the light is emitted more uniformly and the light softness is higher; through the lock of base, apron, set up the light-passing board on the apron, the light-passing board has the light transmissivity, and the light that the light source sent jets out through the light-passing board to make the luminance of light higher, decorative quality stronger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of an automobile according to an embodiment of the present disclosure;
FIG. 2 is an exploded view of an automotive trim panel assembly according to an embodiment of the present application;
fig. 3 is a first schematic structural diagram illustrating a light guide plate, a circuit board and a light source according to an embodiment of the present disclosure;
fig. 4 is a second schematic structural diagram illustrating a light guide plate, a circuit board, and a light source according to an embodiment of the present disclosure;
fig. 5 is a third schematic structural view illustrating a light guide plate, a circuit board and a light source in cooperation according to an embodiment of the present disclosure;
fig. 6 is a schematic structural view of a light-transmitting plate provided in an embodiment of the present application;
FIG. 7 is a first schematic structural diagram of a light shielding plate according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a light shielding plate according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The technical solution of the present application is described in detail by taking an automobile as an example, but the application field of the present application includes, but is not limited to, devices with power supply devices such as a motorcycle decorative lamp, an automobile decorative lamp, a train decorative lamp, an airplane decorative lamp, a ship decorative lamp, and the like.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an automobile according to an embodiment of the present disclosure.
In one embodiment, the vehicle 400 includes a vehicle body 200, a vehicle trim panel assembly 100, and a power supply device 300. The automobile trim assembly 100 is mounted on a side of the head of the automobile body 200, and the automobile trim assembly 100 is electrically connected to the power supply device 300 of the automobile 400. The automobile trim panel assembly 100 has strong controllability, and the automobile trim panel assembly 100 can work normally by controlling the power supply device 300 to switch on or off the automobile trim panel assembly 100; the automobile trim assembly 100 has little effect on the normal operation of the automobile 400, and by arranging the automobile trim assembly 100 in a streamline shape, the effect of the resistance created by the automobile trim assembly 100 on the driving of the automobile 400 is greatly reduced.
Referring to fig. 1, 2 and 3, fig. 2 is an exploded view of a trim assembly of an automobile provided in an embodiment of the present disclosure, and fig. 3 is a first view illustrating a structure of a light guide plate, a circuit board and a light source in cooperation with each other provided in an embodiment of the present disclosure.
In one embodiment, the automobile trim panel assembly 100 includes a base 1, a light guide plate 2, a light source 3, and a cover plate 4.
The base 1 is arranged on one side of the automobile trim panel assembly 100 close to the automobile body 200, the circuit board 5 is arranged on one side of the base 1 far away from the automobile body 200, and the circuit board 5 is fixed on the base 1.
The light guide plate 2 is substantially in a shape of a long-strip 'knife', the light guide plate 2 is fixed on one side of the base 1 provided with the circuit board 5, and the base 1 and the light guide plate 2 sandwich the circuit board 5.
The middle part of light guide plate 2 is equipped with special-shaped hole 21 that runs through light guide plate 2 both sides, and special-shaped hole 21 is rectangular "sword" font, and the long limit of the pore wall in special-shaped hole 21 corresponds the long limit of light guide plate 2, and the minor face of the inner wall in special-shaped hole 21 corresponds the minor face of light guide plate 2. The hole wall of the special-shaped hole 21 is provided with diffusion curved surfaces 22 at intervals, the diffusion curved surfaces 22 are concave arc curved surfaces, and the diffusion curved surfaces 22 are used for diffusing light rays.
The number of the light sources 3 is one or more, and the number of the light sources 3 is five in the embodiment of the present application. The light source 3 is fixed on one side of the circuit board 5 far away from the base 1, and the light source 3 is accommodated in the special-shaped hole 21, so that after the light source 3 is electrified, light rays are diffused to the whole light guide plate 2. The light source 3 is disposed corresponding to the diffusion curved surface 22, and the surface where the light emitting direction of the light source 3 is located is disposed corresponding to the diffusion curved surface 22, so that the light emitted from the light source 3 is diffused to the whole light guide plate 2.
The base 1, the circuit board 5, the light guide plate 2 and the cover plate 4 are sequentially arranged, and the cover plate 4 is buckled with the base 1 to form a shell of the automobile trim panel assembly 100. The cover plate 4 comprises a light shielding plate 41 and a light transmitting plate 42 which are connected, a cover plate cavity 43 is arranged on the light shielding plate 41, the light transmitting plate 42 is arranged in the cover plate cavity 43 and is fixedly and hermetically connected with the light shielding plate 41, and the orthographic projection of the light transmitting plate 42 on the light guide plate 2 is positioned in the light guide plate 2, so that light emitted by the light guide plate 2 penetrates through the light transmitting plate 42 to be emitted.
By providing the light guide plate 2 with the special-shaped hole 21 penetrating the light guide plate 2, the hole wall of the special-shaped hole 21 is provided with the diffusion curved surface 22, the special-shaped hole 21 accommodates the light source 3 on the circuit board 5, and the light source 3 is provided corresponding to the diffusion curved surface 22. When the circuit board 5 is electrified to light the light source 3, the light emitted from the light source 3 is distributed on the light guide plate 2 around the irregular hole 21 under the action of the diffusion curved surface 22, so that the light emitting angle is increased, and the light utilization rate is improved; the light emitted by the light source 3 is diffused by the light guide plate 2, so that point light emitted by the light source 3 is converted into surface light, and the light is more uniform and softer; through the buckling of the base 1 and the cover plate 4, the cover plate 4 is provided with the light-transmitting plate 42, the light-transmitting plate 42 has light-transmitting property, and light emitted by the light source 3 is emitted through the light-transmitting plate 42, so that the light is higher in brightness and stronger in decorative performance; through on locating base 1 with circuit board 5 is fixed, light guide plate 2 locates base 1 and apron 4 lock to make base 1, circuit board 5, light guide plate 2 and apron 4 fixed connection, and then make automobile trim board subassembly 100's structure more reliable and more stable.
Further, the light source 3 is disposed in the special-shaped hole 21, so that the special-shaped hole 21 has a function of accommodating the light source 3. The pore wall of dysmorphism hole 21 forms annular enclosure space, and a plurality of light sources 3 interval are arranged and are towards the pore wall of dysmorphism hole 21 along dysmorphism hole 21 wall to the light that makes a plurality of light sources 3 transmission is to dispersing all around from the pore wall of dysmorphism hole 21. By providing the shaped holes 21 as an annular closed space so that the plurality of light sources 3 are close to each other (i.e., closely arranged), the occupied space is small. The hole wall through setting up dysmorphism hole 21 corresponds a plurality of light sources 3 to all be shone by light sources 3 on making the hole wall of dysmorphism hole 21, the dark space is few, improves the degree of consistency that light transmitted to light guide plate 2. The diffusion curved surface 22 is formed on the wall of the irregular hole 21 to further diffuse the light emitted from the light source 3.
Referring to fig. 2 and 3, in a specific embodiment, the light guide plate 2 includes an annular light guide portion 23 and a protrusion 24 disposed on the annular light guide portion, a surface of the protrusion 24 away from the annular light guide portion 23 and an inner wall surface of the annular light guide portion 23 surround to form a shaped hole 21, and the diffusion curved surface 22 is disposed on a surface of the protrusion 24 away from the annular light guide portion 23.
Through set up arch 24 on annular light guide part 23's internal wall face to the light that the light source 3 that makes in the dysmorphism hole 21 sent can cover whole light guide plate 2 behind the diffusion curved surface 22, improves the utilization ratio of the light that light source 3 sent on the one hand, and on the other hand makes the homogeneity of the light on the light guide plate 2 higher, and then makes the luminous of car plaque subassembly 100 more even, improves the luminous quality of car plaque subassembly 100. In addition, the arrangement of the protrusion 24 also enables the hole wall of the special-shaped hole 21 to form an annular closed space which is smaller, the arrangement of the plurality of light sources 3 is more compact, the space occupied by the plurality of light sources 3 is smaller, and the light-emitting area is larger.
Referring to fig. 3 and 4, fig. 4 is a second schematic view of a structure of a light guide plate, a circuit board and a light source according to an embodiment of the present disclosure. In a specific embodiment, the outer circumference of the annular light guide part 23 has a quadrangular prism shape with a trapezoidal cross section, and the inner wall surface of the annular light guide part 23 includes a first wall surface 231, a second wall surface 232, a third wall surface 233, and a fourth wall surface 234, which are connected in this order.
The first wall 231 and the third wall 233 are disposed opposite to each other and parallel to each other, the second wall 232 and the fourth wall 234 are disposed opposite to each other, and a connection surface where the first wall 231 and the second wall 232 intersect is an arc transition surface.
In other embodiments, the cross-section of the outer peripheral surface of the annular light guide 23 includes, but is not limited to, a triangle, a quadrilateral, a pentagon, a circular arc, an ellipse, etc. to enhance the decorativeness of the automotive trim panel assembly 100.
The protrusion 24 includes a first protrusion 241, a second protrusion 242, a third protrusion 243 and a fourth protrusion 244, the first protrusion 241 and the second protrusion 242 are disposed on the first wall 231 at an interval, and the third protrusion 243 and the fourth protrusion 244 are disposed on the third wall 233 at an interval. The first protrusion 241 and the fourth protrusion 244 are arranged in a staggered manner, so that the annular closed space is smaller and the light emitting area is larger. The second protrusion 242 and the third protrusion 243 are arranged in a staggered manner, so that the annular closed space is smaller and the light emitting area is larger. The second protrusion 242 and the fourth protrusion 244 are arranged in a staggered manner, so that the annular closed space is smaller and the light emitting area is larger.
The diffusion curved surface 22 includes a first diffusion curved surface 221, a second diffusion curved surface 222, a third diffusion curved surface 223, a fourth diffusion curved surface 224, and a fifth diffusion curved surface 225. The first diffusion curved surface 221 is disposed at an end of the first protrusion 241 facing away from the annular light guiding portion 23, the second diffusion curved surface 222 is disposed at an end of the second protrusion 242 facing away from the annular light guiding portion 23, the third diffusion curved surface 223 is disposed at an end of the third protrusion 243 facing away from the annular light guiding portion 23, the fourth diffusion curved surface 224 is disposed at an end of the fourth protrusion 244 facing away from the annular light guiding portion 23, and at least a portion of a connection surface of the first wall surface 231 and the second wall surface 232 forms a fifth diffusion surface 225.
The plurality of protrusions 24 are arranged on the inner wall surface of the annular light guide part 23, and the diffusion curved surface 22 is arranged at one end of each protrusion 24, which is far away from the annular light guide part 23, so that light emitted by the light source 3 is diffused to the light guide plate 2 through the diffusion curved surface 22, the number of the light sources 3 is reduced, and the light utilization rate is improved; on the other hand, the light source 3 is diffused toward the light guide plate 2 on the peripheral side in the special-shaped hole 21, and the probability that the light source 3 is damaged by stress is reduced. The protrusions 24 are provided at different positions on the inner wall surface of the annular light guide portion 23, so that the light emitted from the light source 3 can be uniformly diffused throughout the light guide plate 2, and the light emission is more uniform.
Referring to fig. 2, fig. 4 and fig. 5, fig. 5 is a third schematic structural view illustrating a light guide plate, a circuit board and a light source in cooperation according to an embodiment of the present disclosure. The plurality of light sources respectively include a first light source 31, a second light source 32, a third light source 33, a fourth light source 34, and a fifth light source 35. The first light source 31, the second light source 32, the third light source 33, the fourth light source 34, and the fifth light source 35 are disposed corresponding to the first diffusion curved surface 221, the second diffusion curved surface 222, the third diffusion curved surface 223, the fourth diffusion curved surface 224, and the fifth diffusion surface 225, respectively.
The first light source 31 and the fourth light source 34 are disposed opposite to each other and closely arranged to illuminate the left portion of the light guide plate 2 (refer to fig. 3); the second light source 32, the third light source 33 and the fifth light source 35 are closely arranged to illuminate a right portion of the light guide plate 2 (refer to fig. 3). Because the right side part of light guide plate 2 has the less angle section of turning of buckling, through setting up the light source 3 density of arranging of the right side part of light guide plate 2 and being greater than the light source 3 density of arranging of the left side part of light guide plate 2 to improve the luminance of the right side part of light guide plate 2, make the luminance of illumination of whole light guide plate 2 more even.
Referring to fig. 2, in one embodiment, the automobile trim panel assembly 100 further includes a reflective film 6 and a diffusive film 7. The reflective film 6 is arranged on one side of the light guide plate 2 close to the circuit board 5 and is attached to the light guide plate 2, and the orthographic projection of the reflective film 6 on the light guide plate 2 is coincided with the light guide plate 2. The diffusion film 7 is arranged on one side of the light guide plate 2 far away from the circuit board 5 and is attached to the light guide plate 2, and the orthographic projection of the diffusion film 7 on the light guide plate 2 is superposed with the light guide plate 2. The orthographic projection of the light-transmitting plate 42 on the diffusion film 7 is positioned on the diffusion film 7, and the orthographic projection of the light-transmitting plate 42 on the reflective film 6 is positioned on the reflective film 6.
The point light emitted from the light source 3 is converted into a surface light by the light guide plate 2, a part of the surface light is directly emitted from one side of the light guide plate 2 close to the diffusion film 7, and the other part of the surface light is reflected by the reflecting film 6 and then emitted from one side of the light guide plate 2 close to the diffusion film 7. Part of the surface light rays directly emitted from the light guide plate 2 and the other part of the surface light rays emitted from the light guide plate 2 after being reflected by the reflecting film 6 are gathered, the surface light rays penetrate through the diffusion film 7 and are emitted to the light transmission plate 42, and the surface light rays emitted from the light transmission plate 42 realize the decoration effect.
Through the reflection of reflective membrane 6, avoid the light source 3 to be absorbed by base 1 to make the utilization ratio of light improve, and then make the luminance that finally jets out from light-passing board 42 higher. The diffusion film 7 is arranged on the light emergent side of the light guide plate 2, so that the emitted light is softer, the visual effect is better, more light emitted by the light guide plate 2 is gathered on the light transmission plate 42 to be emitted, and the brightness of the light is improved. The orthographic projection through the light-transmitting plate 42 is positioned on the light-reflecting film 6 and the diffusion film 7, so that the utilization rate of light is higher, the light is more uniform, and the light-emitting quality of the automobile trim panel assembly 100 is better.
Referring to fig. 2 and fig. 6, fig. 6 is a schematic structural view of a light-transmitting plate according to an embodiment of the present disclosure. In a specific embodiment, the light-transmitting plate 42 is provided with a light diffusing agent therein, and the light diffusing agent is used for converting point light rays emitted from the light guide plate 2 into surface light rays. By providing the light diffusing agent in the light-transmitting plate 42, the softness and brightness of the light emitted from the light-transmitting plate 42 can be further enhanced.
Referring to fig. 1, fig. 2, fig. 6, and fig. 7, fig. 7 is a first structural diagram of a light shielding plate according to an embodiment of the present disclosure. In a specific embodiment, the light shielding plate 41 includes a first light shielding plate 411 and a second light shielding plate 412, the first light shielding plate 411 has a hollow cavity, the second light shielding plate 412 is disposed in the hollow cavity, a portion of an outer peripheral edge of the second light shielding plate 412 is fixedly connected to a portion of an inner peripheral edge of the first light shielding plate 411, and another portion of the outer peripheral edge of the second light shielding plate 412 is spaced from another portion of the inner peripheral edge of the first light shielding plate 411 to form the cover cavity 43. One side that the apron 4 is close to base 1 is equipped with the fixed boss 44 around apron cavity 43, and the inner peripheral edge of fixed boss 44 is laminated with the outer peripheral edge of light-passing board 42, and one side that base 1 was kept away from to light-passing board 42 is laminated with one side that first light screen 41 is close to base 1, and then makes light-passing board 42, first light screen 41 and second light screen 42 form seal structure.
The cover plate 1 is provided with the cover plate cavity 43 for accommodating the light-transmitting plate 42, so that the shape of the light-transmitting plate 42 is determined, the light-emitting shape of the automobile trim panel assembly 100 is further determined, and the decoration effect on the automobile 400 is realized. The fixing boss 44 surrounding the cover plate cavity 43 is arranged around the cover plate 4, and the light-transmitting plate 42 is attached to the inner peripheral edge of the fixing boss 44, so that light emitted by the diffusion film 7 cannot leak out of a gap between the first light-shielding plate 411, the second light-shielding plate 412 and the light-transmitting plate 42, the utilization rate of light emitted by the light source 3 is improved, and the light-emitting quality of the automobile decorative plate assembly 100 is improved.
In another embodiment, a fixing boss 44 surrounding a hollow cavity of the first light shielding plate 411 is disposed on one side of the cover plate 4 close to the base 1, an inner peripheral edge of the fixing boss 44 is attached to an outer peripheral edge of the light transmitting plate 42, and a sealing structure is formed between one side of the light transmitting plate far away from the base 1 and one side of the first light shielding plate 41 close to the base 1.
Referring to fig. 6 and 7, in a specific embodiment, the fixing boss 44 is provided with a limiting notch 441, the peripheral edge of the transparent plate 42 is provided with a limiting protrusion 421 corresponding to the limiting notch 441, and the limiting notch 441 of the fixing boss 44 is engaged with the limiting protrusion 421 of the transparent plate 42, so as to reduce the probability that the transparent plate 42 falls off from the cover plate 4 under the condition of a force, so that the connection between the transparent plate 42 and the fixing boss 44 is more stable.
Referring to fig. 2 and 8, fig. 8 is a second structural schematic diagram of a light shielding plate according to an embodiment of the present application, in a specific implementation, the light shielding plate 41 further includes a first decorative plate 413 and a second decorative plate 414, a first groove 415 for accommodating the first decorative plate 413 and a second groove 416 for accommodating the second decorative plate 414 are disposed on a side of the first light shielding plate 411 away from the base 1, and the first groove 415 and the second groove 416 are disposed at an interval. The first decorative plate 413 is fixed in the first groove 415, and the second decorative plate 414 is fixed in the second groove 416. By providing the first decorative panel 413 and the second decorative panel 414 on the shade 41, the decorativeness of the automobile trim assembly 100 is enhanced.
The foregoing is a partial description of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.

Claims (10)

1. An automotive trim panel assembly, characterized in that it comprises:
the circuit board is arranged on one side of the base;
the light guide plate is fixed on the base and clamps the circuit board with the base, the light guide plate is provided with a special-shaped hole penetrating through the light guide plate, and the hole wall of the special-shaped hole comprises a plurality of diffusion curved surfaces;
the light sources are fixed on one side, far away from the base, of the circuit board and accommodated in the special-shaped holes, the light sources are arranged corresponding to the diffusion curved surfaces, and light emitted by the light sources is emitted into the light guide plate through the diffusion curved surfaces; and
the cover plate is buckled with the base and comprises a light shading plate and a light transmission plate which are connected; the light screen is equipped with the apron cavity, the light-passing board is located in the apron cavity and with light screen fixed connection, the light-passing board is in the orthographic projection of light guide plate is located in the light guide plate.
2. The automotive trim panel assembly of claim 1, wherein,
the light guide plate comprises an annular light guide part and a plurality of bulges arranged on the inner wall of the annular light guide part, the surfaces of the bulges departing from the annular light guide part and the inner wall surface of the annular light guide part are surrounded to form the special-shaped holes, and at least one of the plurality of diffusion curved surfaces is arranged on the surface of the bulges departing from the annular light guide part.
3. The automotive trim panel assembly of claim 2, wherein,
the inner wall surface of the annular light guide part comprises a first wall surface, a second wall surface, a third wall surface and a fourth wall surface which are sequentially connected, the first wall surface and the third wall surface are oppositely arranged, the second wall surface and the fourth wall surface are oppositely arranged, and the connecting surface of the first wall surface and the second wall surface is an arc transition surface;
the plurality of protrusions comprise first protrusions and second protrusions which are arranged on the first wall surface at intervals, third protrusions which are arranged on the second wall surface, and fourth protrusions which are arranged on the third wall surface.
4. The automotive trim panel assembly of claim 3,
the plurality of diffusion curved surfaces comprise a first diffusion curved surface, a second diffusion curved surface, a third diffusion curved surface, a fourth diffusion curved surface and a fifth diffusion curved surface; the first diffusion curved surface, the second diffusion curved surface, the third diffusion curved surface, and the fourth diffusion curved surface are respectively disposed at ends of the first protrusion, the second protrusion, the third protrusion, and the fourth protrusion departing from the annular light guide portion, and a connection surface between the first wall surface and the second wall surface at least partially forms the fifth diffusion curved surface.
5. The automotive trim panel assembly of claim 1, wherein,
the automobile trim panel assembly further comprises a reflective film and a diffusion film, the light guide plate is clamped by the reflective film and the diffusion film, the reflective film is arranged on one side, close to the base, of the light guide plate, the diffusion film is arranged on one side, close to the cover plate, of the light guide plate, and the orthographic projections of the reflective film and the diffusion film on the light guide plate are overlapped with the light guide plate; point light emitted by the light source is converted into surface light through the light guide plate, part of the surface light is directly emitted from one side, close to the diffusion film, of the light guide plate, and the other part of the surface light is emitted from one side, close to the diffusion film, of the light guide plate after being reflected by the light reflecting film; the light guide plate is provided with a light guide plate, the light guide plate is provided with a diffusion film, the light guide plate is provided with a light guide plate, the light guide plate is provided with a diffusion film, and the light guide plate is provided with a light guide plate.
6. The automotive trim panel assembly of claim 5, wherein,
the light-transmitting plate is internally provided with a light diffusing agent which is used for diffusing light rays emitted by the diffusion film.
7. The automotive trim panel assembly of claim 1, wherein,
the light shielding plate comprises a first light shielding plate and a second light shielding plate, and the first light shielding plate is provided with a hollow cavity; the second light screen is arranged in the hollow cavity, one part of the outer peripheral edge of the second light screen is fixedly connected with the inner peripheral edge of the first light screen, the other part of the outer peripheral edge of the second light screen is arranged at intervals with the inner peripheral edge of the first light screen, and the outer peripheral edge of the second light screen and the inner peripheral edge of the first light screen are arranged in a surrounding manner to form the cover plate cavity; the apron is close to one side of base is equipped with the encircleing the fixed boss of apron cavity, the periphery of light-passing board along with the laminating of the interior border of fixed boss.
8. The automotive trim panel assembly of claim 7, wherein,
the fixed boss is provided with a limiting notch, the peripheral edge of the light-passing plate is provided with a limiting bulge, and the limiting bulge is clamped with the limiting notch.
9. The automotive trim panel assembly of claim 7, wherein,
the light screen further comprises a first decorative plate and a second decorative plate, the first light screen is far away from one side of the base is provided with a containing hole for containing a first groove of the first decorative plate and a second groove of the second decorative plate, the first decorative plate is fixed in the first groove, and the second decorative plate is fixed in the second groove.
10. An automobile comprising the automobile trim panel assembly according to any one of claims 1 to 9, the automobile further comprising a power supply device electrically connected to a circuit board so that the light source on the circuit board emits light normally.
CN202011644212.5A 2020-12-30 2020-12-30 Automobile decoration plate assembly and automobile Active CN114593382B (en)

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Application Number Priority Date Filing Date Title
CN202011644212.5A CN114593382B (en) 2020-12-30 2020-12-30 Automobile decoration plate assembly and automobile

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Application Number Priority Date Filing Date Title
CN202011644212.5A CN114593382B (en) 2020-12-30 2020-12-30 Automobile decoration plate assembly and automobile

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CN114593382B CN114593382B (en) 2024-07-16

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011222524A (en) * 2011-06-10 2011-11-04 Sharp Corp Lighting device
JP2014007014A (en) * 2012-06-22 2014-01-16 Ichikoh Ind Ltd Lighting appliance for vehicle
CN103645585A (en) * 2013-12-31 2014-03-19 东莞市亚星半导体有限公司 Liquid crystal display
TWM538003U (en) * 2016-09-07 2017-03-11 Jin Ciang Enterprise Co Ltd Improved lamp bar structure of vehicle rearview mirror
CN106545813A (en) * 2017-01-16 2017-03-29 福州丹诺西诚电子科技有限公司 A kind of ring-type halation light fixture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011222524A (en) * 2011-06-10 2011-11-04 Sharp Corp Lighting device
JP2014007014A (en) * 2012-06-22 2014-01-16 Ichikoh Ind Ltd Lighting appliance for vehicle
CN103645585A (en) * 2013-12-31 2014-03-19 东莞市亚星半导体有限公司 Liquid crystal display
TWM538003U (en) * 2016-09-07 2017-03-11 Jin Ciang Enterprise Co Ltd Improved lamp bar structure of vehicle rearview mirror
CN106545813A (en) * 2017-01-16 2017-03-29 福州丹诺西诚电子科技有限公司 A kind of ring-type halation light fixture

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