CN109488989B - Matrix LED daytime running light - Google Patents
Matrix LED daytime running light Download PDFInfo
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- CN109488989B CN109488989B CN201811622093.6A CN201811622093A CN109488989B CN 109488989 B CN109488989 B CN 109488989B CN 201811622093 A CN201811622093 A CN 201811622093A CN 109488989 B CN109488989 B CN 109488989B
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- led
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- light source
- light
- daytime running
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
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- 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
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
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- 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
- F21V5/008—Combination of two or more successive refractors along an optical axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The utility model relates to the technical field of automobile illumination, in particular to a matrix type LED daytime running light. The utility model discloses a matrix type LED daytime running lamp, which comprises an LED driving circuit, wherein the LED driving circuit comprises a first LED driving circuit and a second LED driving circuit; m LED particles, the m LED particles being longitudinally arranged in a column; the transverse expansion assembly transversely expands the light emitted by each LED particle to the width of n rows, and the light emitted by m LED particles arranged in one row forms a surface light source within the range of m multiplied by n matrix after passing through the transverse expansion assembly; and the matrix light source simulation assembly is used for separating the area light source within the m multiplied by n matrix range, and the light source effect of m multiplied by n LED particles is obtained through the area light source of the matrix light source simulation assembly. According to the matrix type LED daytime running lamp provided by the utility model, the luminous effect of matrix arrangement of a plurality of LEDs is realized only by using a small amount of LED particles, the uniformity of light emission is ensured, the structure is reliable, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of automobile illumination, in particular to a matrix type LED daytime running light.
Background
The daytime running lights are arranged on two sides of the front end of the vehicle and are lighted in daytime, so that the automobile can be easily identified when the automobile runs in daytime, and traffic accidents are reduced.
There are various implementations of daytime running lights, and currently, there are a light guide type, a thick wall type, and an LED direct light type daytime running light. The long strip daytime running light shape can be easily realized by the realization modes, and if the matrix arrangement luminous effect is required to be realized, the realization modes cannot be directly realized.
The LED direct light emitting mode can realize the light emitting effect of matrix arrangement. The utility model patent CN201396663Y provides an LED daytime running lamp, which comprises a lamplight reflecting system, a circuit aluminum substrate (2) and a heat dissipation base (1), wherein the lamplight reflecting system consists of an LED light source (4), a reflecting mirror (3) and a light distribution lens (5), the LED light source (4) is assembled on the circuit aluminum substrate (2), the circuit aluminum substrate (2) is fixed on the heat dissipation base (1), and the reflecting mirror (3) is a primary paraboloid, and is characterized in that: the approximate luminous center of the LED light source (4) is positioned at the focus of the paraboloid of the reflector (3). The LED particle number that this scheme needs is more, and the structure is complicated, and is great to the heat dissipation space requirement, and the cost rises simultaneously.
Disclosure of Invention
The utility model aims to provide a matrix type LED daytime running lamp, which adopts a small amount of LED particles to realize the light-emitting effect of a plurality of LED particles, and solves the problems that the matrix type LED daytime running lamp is required to be arranged, the number of the LED particles is large, the structure is complex, the requirement on the heat-dissipating space is large, and the cost is increased.
In order to achieve the above object, the present utility model provides a matrix daytime running light, comprising:
an LED driving circuit;
m LED particles, the m LED particles being longitudinally arranged in a column;
the transverse expansion assembly transversely expands the light emitted by each LED particle to the width of n rows, and the light emitted by m LED particles arranged in one row forms a surface light source within the range of m multiplied by n matrix after passing through the transverse expansion assembly;
and the matrix light source simulation assembly is used for separating the area light source within the m multiplied by n matrix range, and the light source effect of m multiplied by n LED particles is obtained through the area light source of the matrix light source simulation assembly.
In one embodiment, the lateral expansion component is an inner lens, and the light emitted by the LED particles is refracted by the inner lens and laterally expanded to the width of n columns.
In one embodiment, the light entrance surface of the inner lens where the inner lens is matched with the LED particles is a paraboloid, and the fixed position of the LED particles is located at the focus of the paraboloid.
In one embodiment, the matrix light source simulation assembly includes a row simulation assembly and a column simulation assembly, the row simulation assembly separates the area light source within the m×n matrix range by the light source effect of the m rows of LED particles, and the column simulation assembly separates the area light source within the m×n matrix range by the light source effect of the n columns of LED particles.
In one embodiment, a column modeling component includes: and n step structures in the horizontal direction, wherein the emergent surface of each step is an arc surface, the side wall is a dermatoglyph surface, and the surface light source is separated to obtain the light source effect of n rows of LED particles.
In one embodiment, the row simulation component comprises: and (3) shielding the decorative frame, wherein m-1 cross bar ribs are arranged in the vertical direction, shielding the light emitted by the surface light source, and obtaining the light source effect of m rows of LED particles.
In one embodiment, the row and column analog components of the matrix light source analog component are integrated on the outer lens.
In one embodiment, the relative position connection between the inner and outer lenses, the inner lens and the LED driving circuit is fixed.
In one embodiment, the inner lens and the outer lens are connected in a clamping mode, a first clamping joint and a second clamping joint of the inner lens are of a two-end extending structure, one end of each of the first clamping joint and the second clamping joint extends out of a first clamping groove and a second clamping groove of the LED driving circuit, and the other end of each of the first clamping joint and the second clamping joint extends out of the first clamping groove and the second clamping groove of the outer lens.
In one embodiment, the inner lens is provided with a third clamping point and a fourth clamping point which are clamped with a third clamping groove and a fourth clamping groove of the LED driving circuit, the third clamping point and the fourth clamping point are provided with reverse hook structures which hook the LED driving circuit reversely, and the relative interval positions of the inner lens and the LED driving circuit are fixed.
In one embodiment, the inner lens is provided with a rib-abutting structure for abutting against the LED driving circuit.
In one embodiment, the inner lens is provided with a first supporting rib, a second supporting rib and a third supporting rib, the first supporting rib and the second supporting rib are of T-shaped structures, and the third supporting rib is of a semicircular structure.
According to the matrix type LED daytime running lamp provided by the utility model, the luminous effect of matrix arrangement of a plurality of LEDs is realized only by using a small amount of LED particles, the uniformity of light emission is ensured, the structure is reliable, and the cost is reduced.
Drawings
The above and other features, properties and advantages of the present utility model will become more apparent from the following description of embodiments taken in conjunction with the accompanying drawings in which like reference characters designate like features throughout the drawings, and in which:
FIG. 1 discloses a schematic diagram of a matrix LED daytime running light according to an embodiment of the utility model;
FIG. 2 discloses a block diagram of a cross-section A-A implementation of a matrix LED daytime running light according to an embodiment of the utility model;
FIG. 3 is a schematic view showing the light-emitting direction of the inner lens of the matrix LED daytime running light according to an embodiment of the utility model;
FIG. 4 discloses a block diagram of a cross-section B-B implementation of a matrix LED daytime running light according to an embodiment of the utility model;
FIG. 5a discloses an outer lens schematic of a matrix LED daytime running light according to an embodiment of the present utility model;
FIG. 5b discloses an outer lens cross section C-C of a matrix LED daytime running light according to an embodiment of the utility model;
FIG. 6a discloses an inner lens mounting block diagram of a matrix LED daytime running light according to an embodiment of the utility model;
FIG. 6b discloses an LED driving circuit mounting structure of a matrix LED daytime running light according to an embodiment of the utility model;
FIG. 7 discloses an inner lens rib-abutting structure diagram of a matrix LED daytime running light according to an embodiment of the utility model;
FIG. 8a discloses a schematic side view of the inner lens and outer lens of a matrix LED daytime running light according to an embodiment of the present utility model;
FIG. 8b discloses another schematic view of the inner lens and outer lens of a matrix LED daytime running light according to an embodiment of the present utility model.
The meaning of the reference numerals in the figures is as follows:
1 an outer lens, 11 a first clamping groove, 12 a second clamping groove, 13 an incident surface, 14 an emergent surface and 15 side walls;
2, shielding an ornament frame;
the inner lens, the first clamping point 31, the second clamping point 32, the third clamping point 33, the fourth clamping point 34, the first abutting rib 35, the second abutting rib 36 and the third abutting rib 37;
4 LED particles;
5 LED drive circuit, 51 first draw-in groove, 52 second draw-in groove, 53 third draw-in groove, 54 fourth draw-in groove, 57 fifth draw-in groove.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The matrix type LED daytime running light realizes the luminous effect of m rows by n columns matrix arrangement, and m and n are integers. Fig. 1 discloses a schematic diagram of a matrix LED daytime running light according to an embodiment of the present utility model, in the embodiment shown in fig. 1, the matrix LED daytime running light achieves a light emitting effect of 5 rows by 5 columns of matrix arrangement LED particles, but the protection scope of the present utility model is not limited to 5 rows by 5 columns, and the light emitting effect of other matrix arrangements is within the protection scope of the present utility model.
Fig. 2 shows a schematic diagram of a cross section A-A of a matrix LED daytime running light according to an embodiment of the utility model, and as shown in fig. 2, the matrix LED daytime running light according to an embodiment of the utility model comprises an outer lens 1, a shielding decorative frame 2, an inner lens 3, 5 LED particles 4 arranged longitudinally, and an LED driving circuit 5.
The LED particles 4 are arranged side by side and are mounted on the LED driving circuit 5, and the number of the particles is m, the number of rows being arranged in a matrix. In the embodiment of fig. 2, 5 LED particles 4 are arranged in a column longitudinally, mounted on the LED driving circuit 5, the rows and columns corresponding to the horizontal and vertical directions. In other cases, the rows and columns correspond to the vertical and horizontal directions, and the change in relative position does not affect the implementation of the entire scheme, and therefore should not be taken as a limitation of the protection scope.
The relative positions of the LED driving circuit 5 and the inner lens 3 are fixed. The LED particles 4 are arranged on the LED driving circuit 5, and light rays emitted by the LED particles 4 are refracted by the inner lens 3, transversely expanded and then emitted.
And the transverse expansion assembly transversely expands the light emitted by each LED particle to the width of n rows, and the light emitted by m LED particles arranged in one row forms a surface light source within the range of m multiplied by n matrix after passing through the transverse expansion assembly. In the embodiment shown in fig. 2, the lateral expansion component is an inner lens 3, and the light emitted by each LED particle 4 is laterally expanded to a width of 5 columns, and the light emitted by the 5 LED particles aligned in a column is laterally expanded by the inner lens 3 to form a surface light source within a 5×5 matrix range. In one embodiment, the light emitted by the LED particles 4 is refracted by the inner lens 3 and then emitted in parallel.
Fig. 3 discloses a schematic view of the light emitting direction of the inner lens of the matrix LED daytime running light according to an embodiment of the present utility model, as shown in fig. 3, in order to ensure that the light emitted by the inner lens 3 is parallel light, in an embodiment, the light incident surface where the inner lens 3 and the LED particles 4 are matched is designed to be a paraboloid, and after the light emitted by the LED particles 4 passes through the paraboloid, the light is refracted inside the inner lens 3, so that the emitted light is finally parallel light.
The relative positions of the LED particles 4 and the paraboloid are important, and the emergent light of the inner lens 3 can be ensured to be parallel light only by ensuring that the positions of the LED particles 4 and the inner lens 3 are relatively fixed and the fixed positions of the LED particles 4 are positioned at the focus of the paraboloid.
The light emitted by the inner lens 3 enters the outer lens 1 and then enters the outer lens 1 to be emitted outwards.
Fig. 4 discloses a block diagram of a cross-section B-B implementation of a matrix LED daytime running light according to an embodiment of the utility model. Fig. 5a discloses an outer lens schematic view of a matrix LED daytime running light according to an embodiment of the utility model, and fig. 5b discloses an outer lens cross section C-C light extraction schematic view of a matrix LED daytime running light according to an embodiment of the utility model.
And the matrix light source simulation assembly is used for separating the area light source within the m multiplied by n matrix range, and the light source effect of m multiplied by n LED particles is obtained through the area light source of the matrix light source simulation assembly. In one embodiment shown in FIG. 1, the matrix light source simulation module includes a row simulation module and a column simulation module.
The array simulation assembly of the matrix light source simulation assembly comprises 5 step structures in the horizontal direction, the emergent surface of each step is an arc surface, the side wall is a dermatoglyph surface, and the light source effect of 5 rows of LED particles is obtained by separating the surface light source. As shown in fig. 4, 5a and 5b, the outer lens 1 is provided with 5 steps in the horizontal direction, and the incident surface 13 of each step is a plane, and receives light from the inner lens 3. The exit face 14 of each step of the outer lens 1 is an arc face. The side wall 15 in the middle of the exit face 14 of the outer lens 1 is provided as a corrugated face. When the LED daytime running light is lighted, the leather grain surfaces shield light, visual distinction can be realized between each step surface, and the light source effect of 5 LED particles in the horizontal direction is improved. When the LED daytime running light is not lighted, the leather grain surface is not colored, so that the appearance is indistinguishable from the surrounding, and the integrity of the appearance effect of the outer lens 1 is ensured.
GB4785-2007, regulations for the installation of external lighting and light signalling devices for automobiles and trailers, states that the geometric visibility of daytime running lights is 20 ° outwards and inwards in the horizontal direction and 10 ° upwards and downwards in the vertical direction. Therefore, in one embodiment, the radius r of the circular arc surface of the exit surface 14 is set to r=12 mm, and the thickness of the external lens 1, that is, the distance between the incident surface 13 and the exit surface 14 is set to 28mm, so that parallel incident light is ensured to be refracted into light with different angles, and the requirements of 20 ° on the inner side and the outer side of the light exit angle and 10 ° on the upper side and the lower side in the regulations are met.
The row simulation assembly of the matrix light source simulation assembly comprises a shielding decorative frame 2, as shown in fig. 1 and 2, the shielding decorative frame 2 is matched with the outer lens 1, 4 transverse bar blocking ribs are arranged in the vertical direction of the shielding decorative frame 2, the outer lens 1 is shielded by the transverse bar blocking ribs, no light is emitted from the shielding part, accordingly, the effect of shielding the light emitted from the surface light source and separating the surface light source is achieved, and the light source effect of 5 rows of LED particles is obtained.
The combination of the row simulation components and the column simulation components of the matrix light source simulation components realizes the comprehensive arrangement in the horizontal direction and the vertical direction, and the matrix arrangement effect of 5 rows by 5 columns is realized by only adopting 5 LED particles 4.
The composition structure and the working principle of the matrix type LED daytime running lamp are explained in detail, and the fixing mode of the matrix type LED daytime running lamp is further explained.
The relative positions of the inner lens 3 and the LED driving circuit 5 need to be fixed. The inner lens 3 and the LED driving circuit 5 may be fixed in various manners, for example, may be connected by a fastener or an adhesive, and in an embodiment of the present utility model, the inner lens and the LED driving circuit are fixed by a clamping manner.
Fig. 6a and 6b disclose an inner lens mounting structure diagram and an LED driving circuit mounting structure diagram of a matrix LED daytime running light according to an embodiment of the present utility model. As shown in fig. 6a and 6b, the first clamping point 31 and the second clamping point 32 of the inner lens 3 are of two-end extending structures, and one end of the first clamping point 31 and one end of the second clamping point 32 extending out are clamped with the first clamping groove 51 and the second clamping groove 52 of the LED driving circuit 5, so that the left and right directions of the first clamping point 31 and the second clamping point 32 are fixed. The inner lens 3 is provided with a third engagement point 33 and a fourth engagement point 34, and is engaged with a third engagement groove 53 and a fourth engagement groove 54 of the LED driving circuit 5. In one embodiment, the third and fourth clamping points 33 and 34 are provided with barb structures that can be hooked reversely to the LED driving circuit 5 to fix the relative distance therebetween.
In order to make the fixation between the inner lens 3 and the LED driving circuit 5 firmer, the inner lens 3 is provided with a rib-supporting structure to support against the LED driving circuit 5, thereby increasing the contact area between the inner lens 3 and the LED driving circuit 5 and improving the fixation stability. The shape of the rib-abutting structure of the inner lens 3 may be various, for example, a ladder shape, an elliptic shape, a square shape, or the like. Fig. 7 discloses an inner lens rib supporting structure of a matrix LED daytime running light according to an embodiment of the utility model, as shown in fig. 6a, 6b and 7, in which the first rib 35, the second rib 36 and the third rib 37 of the inner lens 3 support the LED driving circuit 5. The first supporting rib 35 and the second supporting rib 36 of the inner lens 3 are of T-shaped structures, the third supporting rib 37 is of a semicircular structure, the T-shaped surface and the semicircular surface of the supporting rib support the LED driving circuit 5, the contact area of the two surfaces is increased, the third supporting rib 37 is matched with the fifth clamping groove 57 of the LED driving circuit, and the fixing stability is improved.
In order to ensure that the light emitted from the outer lens 1 is consistent with the simulation state, and meet the regulation requirement of the brightness of the LED daytime running light, the relative positions of the outer lens 1 and the inner lens 3 also need to be fixed.
Fig. 8a and 8b disclose two schematic views of the inner lens and outer lens of a matrix LED daytime running light according to an embodiment of the present utility model. In an embodiment of the present utility model as shown in fig. 8a and 8b, the outer lens 1 and the inner lens 3 are fixedly connected in a clamping manner. The first clamping point 31 and the second clamping point 32 of the inner lens 3 are of two-end extending structures, one end of the first clamping point 31 and one end of the second clamping point 32 extending out are clamped with the LED driving circuit 5, and the other end of the first clamping point and the other end of the second clamping point extending out are clamped with the first clamping groove 11 and the second clamping groove 12 of the outer lens 1.
In an embodiment of the present utility model shown in fig. 8a and 8b, the two-end extending structures of the first clamping point 31 and the second clamping point 32 of the inner lens 3 can fix the relative positions between the inner lens 3 and the LED driving circuit 5 and between the inner lens 3 and the outer lens 1 at the same time, so that the structure is simple. In other embodiments, the fixing structure between the inner lens 3 and the LED driving circuit 5, and the fixing structure between the inner lens 3 and the outer lens 1 may be a separate fixing structure which is not connected to each other, which does not affect the implementation of the fixing function.
According to the matrix type LED daytime running light provided by the utility model, point light sources are diffused into the area light source, and then the area light source is divided into matrix states through the structure and the decoration effect of the LED daytime running light, so that the display effect of m rows and n columns in matrix arrangement is obtained.
According to the matrix type LED daytime running lamp provided by the utility model, the luminous effect of matrix arrangement of a plurality of LEDs is realized only by using a small amount of LED particles, the uniformity of light emission is ensured, the structure is reliable, and the cost is reduced.
As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus.
The embodiments described above are intended to provide those skilled in the art with a full range of modifications and variations to the embodiments described above without departing from the inventive concept thereof, and therefore the scope of the utility model is not limited by the embodiments described above, but is to be accorded the broadest scope consistent with the innovative features recited in the claims.
Claims (9)
1. A matrix LED daytime running light, comprising:
an LED driving circuit;
m LED particles, the m LED particles being longitudinally arranged in a column;
the transverse expansion assembly transversely expands the light emitted by each LED particle to the width of n rows, and the light emitted by m LED particles arranged in one row forms a surface light source within the range of m multiplied by n matrix after passing through the transverse expansion assembly;
the matrix light source simulation assembly is used for separating the area light source in the m multiplied by n matrix range, and the light source effect of m multiplied by n LED particles is obtained through the area light source of the matrix light source simulation assembly;
the matrix light source simulation assembly comprises a row simulation assembly and a column simulation assembly, wherein the row simulation assembly separates the area light source within the range of m multiplied by n matrix according to the light source effect of m rows of LED particles, and the column simulation assembly separates the area light source within the range of m multiplied by n matrix according to the light source effect of n columns of LED particles;
the column simulation component comprises: n step structures in the horizontal direction, wherein the emergent surface of each step is an arc surface, the side wall is a dermatoglyph surface, and the surface light source is separated to obtain the light source effect of n rows of LED particles;
the line simulation component comprises: and (3) shielding the decorative frame, wherein m-1 cross bar ribs are arranged in the vertical direction, shielding the light emitted by the surface light source, and obtaining the light source effect of m rows of LED particles.
2. The matrix LED daytime running light of claim 1, wherein the lateral expansion elements are inner lenses, and wherein the light from the LED particles is refracted by the inner lenses and laterally expanded to the width of n columns.
3. The matrix LED daytime running light of claim 2, wherein the light entrance surface of the inner lens where the LED particles are mated is a parabolic surface, and the fixed location of the LED particles is at the focal point of the parabolic surface.
4. The matrix LED daytime running light of claim 2, wherein the row and column analog components of the matrix light source analog components are integrated on an outer lens.
5. The matrix LED daytime running light of claim 4, wherein the inner and outer lenses, the relative position between the inner lens and the LED drive circuit, are fixedly connected.
6. The matrix LED daytime running light of claim 5, wherein the inner lens and the outer lens are connected in a clamping manner, the inner lens is provided with a first clamping point and a second clamping point which are of two-end extending structures, one end of each of the first clamping point and the second clamping point extends out of each of the first clamping groove and the second clamping groove of the LED driving circuit, and the other end of each of the first clamping point and the second clamping point extends out of each of the first clamping groove and the second clamping groove of the outer lens.
7. The matrix LED daytime running light of claim 5, wherein the inner lens is provided with a third clamping point and a fourth clamping point which are clamped with a third clamping groove and a fourth clamping groove of the LED driving circuit, the third clamping point and the fourth clamping point are provided with a reverse hook structure for reversely hooking the LED driving circuit, and the relative interval position of the inner lens and the LED driving circuit is fixed.
8. The matrix LED daytime running light of claim 2, wherein the inner lens is provided with a rib structure against the LED driving circuit.
9. The matrix LED daytime running light of claim 8, wherein the inner lens is provided with a first abutment rib, a second abutment rib and a third abutment rib, wherein the first abutment rib and the second abutment rib are of a T-shaped structure, and the third abutment rib is of a semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622093.6A CN109488989B (en) | 2018-12-28 | 2018-12-28 | Matrix LED daytime running light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622093.6A CN109488989B (en) | 2018-12-28 | 2018-12-28 | Matrix LED daytime running light |
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| Publication Number | Publication Date |
|---|---|
| CN109488989A CN109488989A (en) | 2019-03-19 |
| CN109488989B true CN109488989B (en) | 2023-09-08 |
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| CN201811622093.6A Active CN109488989B (en) | 2018-12-28 | 2018-12-28 | Matrix LED daytime running light |
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| CN109488989A (en) | 2019-03-19 |
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