CN115419859B - Reflection type car lamp - Google Patents
Reflection type car lamp Download PDFInfo
- Publication number
- CN115419859B CN115419859B CN202211053560.4A CN202211053560A CN115419859B CN 115419859 B CN115419859 B CN 115419859B CN 202211053560 A CN202211053560 A CN 202211053560A CN 115419859 B CN115419859 B CN 115419859B
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- Prior art keywords
- lamp
- light source
- mounting groove
- reflector
- positioning
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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]
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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
- F21S41/19—Attachment of light sources or lamp holders
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
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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
- F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
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- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
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- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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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 invention relates to the technical field of automobile accessories, in particular to a reflective automobile lamp. The lamp body comprises a lamp shade, a lamp shell and a reflective car lamp module arranged on the lamp shell, wherein the reflective car lamp module comprises a reflector and a plurality of light source modules arranged on the reflector; a plurality of lamp cavities are formed on the reflector, and a plurality of light source modules are correspondingly arranged above the lamp cavities; the upper end of the lamp cavity is provided with a mounting groove, and the middle part of the bottom surface of the mounting groove is provided with an opening communicated with the lamp cavity; the mounting groove is provided with a positioning assembly for positioning and assembling the light source module, and the light source of the light source module is positioned above the opening of the mounting groove and faces the lamp cavity. In the technical scheme, the reflector is used as the assembly main body, the plurality of light source modules are assembled on the reflector, and when the light source modules are assembled with the reflector, the light source modules are positioned firstly through the positioning assembly on the reflector, so that the position relationship between the light source and the reflector is more accurate, and the light distribution performance of the car lamp is more stable.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a reflective automobile lamp.
Background
In a reflective car lamp, in order to ensure the stability of the light distribution performance, the requirements on the positioning accuracy of LED particles and a reflector in a module are relatively high. However, in the conventional reflective car lamp structure, the module and the radiator are first assembled in a positioning manner, and then the radiator and the reflector are assembled in a positioning manner. Because the module and the reflector are not directly installed and positioned, the positioning tolerance of the LED particles and the reflector in the final module is increased, and the positioning precision is reduced, so that the instability of the light type effect of the car lamp is brought.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a reflective vehicle lamp, in which a reflector and a module are positioned and assembled in advance directly, so that the position accuracy between a light source and the reflector is increased, and the light type effect of the vehicle lamp is more stable.
In order to achieve the above purpose, the present invention adopts the following technical scheme: including the lamp body, its characterized in that: the lamp body comprises a lamp shade, a lamp shell and a reflective car lamp module arranged on the lamp shell, wherein the reflective car lamp module comprises a reflector and a plurality of light source modules arranged on the reflector; the reflecting mirror is provided with a plurality of lamp cavities, and the plurality of light source modules are correspondingly arranged above the plurality of lamp cavities; the upper end of the lamp cavity is provided with a mounting groove, and the middle part of the bottom surface of the mounting groove is provided with an opening communicated with the lamp cavity; the mounting groove is provided with a positioning assembly for positioning and assembling the light source module, and the light source of the light source module is positioned above the opening of the mounting groove and faces the lamp cavity;
the light source module comprises a circuit board and a single light source arranged on the lower end face of the circuit board, wherein the light source is LED particles;
the positioning assembly includes: the arc-shaped check rings are circumferentially arranged on the side wall of the mounting groove, and the positioning columns are arranged on the bottom surface of the mounting groove and extend upwards; the circuit board is positioned in the plurality of arc-shaped check rings, and the end parts of the plurality of arc-shaped check rings extend towards the middle part of the mounting groove; the circuit board is provided with a plurality of first positioning holes which are respectively in plug-in fit with the positioning posts;
the bottom surface of mounting groove is echelonment, including high step and low step, stretch out the mounting groove on the high step and be equipped with many short support columns, stretch out the mounting groove on the low step and be equipped with many long support columns, the up end of many short support columns and many long support columns flushes and prop up on the terminal surface under the circuit board, and be less than the up end of many reference columns.
Among the above-mentioned technical scheme, a reflection-type car light is with the speculum as the assembly main part, assembles a plurality of light source modules to the speculum earlier, and when light source module and speculum were assembled, the locating component on the speculum was fixed a position the light source module earlier, makes the positional relationship between light source and the speculum more accurate to make the grading performance of car light more stable. And the light source modules on the lamp cavities are independent, a plurality of light sources are dispersed into the light source modules, and the mutual influence of heating is greatly reduced, so that the heat dissipation performance of the light sources is better.
In addition, compared with a single light source corresponding to a single light source module in the prior art, a plurality of light sources are arranged in the single light source module, and then the module is assembled on a radiator, so that the heating influence among the light sources is serious. The single light source in the scheme is arranged on the circuit board, so that the mutual influence of heating among the light sources is eliminated, the service life of the light source is prolonged, and the light source is more stable.
Furthermore, the plurality of positioning columns are in plug-in connection with the plurality of first positioning holes, so that the left and right positions, the front and back positions of the circuit board are limited, the radial positioning accuracy between the light source and the reflector lamp cavity on the circuit board is ensured, and the radial light distribution performance of the light source is ensured. In addition, a plurality of arc retaining rings extend to the mounting groove middle part, and the circuit board is located a plurality of arc retaining rings, then exists the clearance between circuit board and the mounting groove, has increased the permeability of lamp chamber, has further increased the heat dispersion of light source.
Mainly, the echelonment setting of mounting groove can increase the gap between circuit board and the low step of mounting groove, increases the permeability between lamp chamber and the mounting groove. And moreover, the short support columns and the long support columns prop against the lower end face of the circuit board, so that the height position of the circuit board is limited, the positioning accuracy of the longitudinal height between the light source and the reflector lamp cavity on the circuit board is ensured, and the longitudinal light distribution performance of the light source is ensured.
Preferably, at least one of the plurality of first positioning holes is a circular hole engaged with the positioning column, and at least one of the plurality of first positioning holes is a waist-shaped hole. In the technical scheme, when a plurality of positioning columns and a plurality of first positioning holes are arranged, one positioning column is inserted and positioned with a circular hole, and then the other positioning column falls into a waist-shaped hole; the arrangement of the waist-shaped holes can enable the arrangement of the positioning columns to be capable of realizing the installation with the first positioning holes even if errors exist, so that the situation that installation or reworking cannot be realized is avoided.
Preferably, the reflective car lamp module further comprises a radiator, the radiator is an integrated plate, the radiator comprises a flat body part which is pressed on the circuit board and a bending part which is arranged along the edge of the flat body part in a downward extending mode, the middle of the arc-shaped retainer ring is provided with a hot riveting column in an upward extending mode, and the flat body part is provided with a plurality of hot riveting holes and a plurality of second positioning holes which are respectively matched with the hot riveting columns and the positioning columns in a plugging mode.
In the above technical scheme, the radiator is pressed on the light source module, because the light source module has a plurality of groups, the light source module is more miniaturized compared with the existing module, and because of the arrangement of a single light source, the required radiator area is greatly reduced, so that the size/weight of the radiator is greatly reduced, and the material cost of the radiator is greatly reduced. Because the assembly mode is changed from the assembly of parts such as conventional reflectors and the like to the assembly of light source modules/radiators on the reflectors, the radiator only needs to be processed with through holes, the structure of the radiator is greatly simplified, the aluminum radiator can be manufactured by changing the original die casting process into the stamping process, and the processing cost of the radiator is greatly reduced. The middle radiator is provided with the hot riveting hole and the second positioning hole, and when the radiator is installed, the hot riveting Kong Xian is spliced with the hot riveting column, and then the positioning column falls into the second positioning hole, so that the radiator is radially positioned above the circuit board. In addition, due to miniaturization of the light source module and the radiator, the light source module can be used as a general standard module, and brand new design is not needed in new product development, so that the light source module and the radiator can be directly used.
Preferably, the upper ends of the plurality of hot riveting columns are fixed with the upper end face of the radiator in a hot riveting mode. According to the technical scheme, the radiator and the hot riveting column are fixed through hot riveting, and the radiator and the light source module are firmly locked above the lamp cavity to prevent longitudinal detachment.
Preferably, the plurality of second positioning holes are all waist-shaped holes. In this technical scheme, a plurality of second locating holes are waist type hole then guarantees after radiator and hot riveting post are pegged graft, even the setting up of locating post is error to some extent, all can fall into on the second locating hole smoothly, ensures smooth installation.
Preferably, an opening is formed in the portion, extending from the outer end edge of the flat body to the folded edge, and the opening is communicated with the lamp cavity. In this technical scheme, the trompil on the radiator is dodged the hole, and the installation of sheath of being convenient for just can increase the permeability of lamp chamber and external, the heat dissipation of the light source of further being convenient for.
Preferably, the reflecting mirror comprises a baffle plate and a plurality of adjacent lamp bowls arranged on the baffle plate, the lamp cavity is formed in the lamp bowls, and the baffle plate and the lamp bowls are integrally formed. In the technical scheme, because the upper/lower reflecting mirror and the baffle are used as parts to be assembled on the radiator in the prior art, in the mode, the upper/lower reflecting mirror and the baffle are prepared by separate dies, so that the cost is relatively troublesome, the integrally formed reflecting mirror is high in integrity and strength, the die products are correspondingly reduced, and the cost is greatly saved.
Drawings
Fig. 1 is a schematic perspective view of a reflective car lamp module.
Fig. 2 is a side cross-sectional view of a reflective vehicular lamp.
Fig. 3 is an assembly schematic diagram of a light source module and a reflector.
Fig. 4 is a schematic perspective view of a radiator.
Fig. 5 is a schematic perspective view of a reflector.
Fig. 6 is a schematic perspective view of a light source module.
Fig. 7 is a side sectional view of the assembled light source module and reflector.
Fig. 8 is an assembly schematic diagram of a conventional module and a heat sink.
FIG. 9 is a schematic diagram illustrating an assembly of a conventional reflector and a heat sink.
Fig. 10 is a schematic perspective view of a conventional reflective car lamp module.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element 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 the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The reflective car light as shown in fig. 1-7 comprises a lamp body, wherein the lamp body comprises a lamp shade, a lamp shell and a reflective car light module arranged on the lamp shell, and the reflective car light module comprises a reflector 1 and a plurality of light source modules 100 arranged on the reflector 1; the reflector 1 is provided with a plurality of lamp cavities 2, and the plurality of light source modules 100 are correspondingly arranged above the plurality of lamp cavities 2; the upper end of the lamp cavity 2 is provided with a mounting groove 3, and the middle part of the bottom surface of the mounting groove 3 is provided with an opening 4 which is communicated with the lamp cavity 2; the mounting groove 3 is provided with a positioning assembly for positioning and assembling the light source module 100, and the light source 6 of the light source module 100 is positioned above the opening 4 of the mounting groove 3 and faces the lamp cavity 2.
In the above technical scheme, the reflector 1 is used as an assembly main body, the plurality of light source modules 100 are assembled on the reflector 1, and when the light source modules 100 are assembled with the reflector 1, the light source modules 100 are positioned firstly through the positioning assembly on the reflector 1, so that the position relationship between the light source 6 and the reflector 1 is more accurate, and the light distribution performance of the vehicle lamp is more stable. The light source modules 100 on the lamp cavities 2 are independent, the plurality of light sources 6 are dispersed in the plurality of light source modules 100, and the mutual influence of heat generation is greatly reduced, so that the heat dissipation performance of the light sources 6 is better.
Further, the light source module 100 includes a circuit board 5, and a single light source 6 disposed on a lower end surface of the circuit board 5, wherein the light source 6 is LED particles. In this technical solution, in the single light source module 100, corresponding to the single light source 6, compared with the prior art in which a plurality of light sources 6 are disposed in a single module, the module is assembled on the radiator, and the heat generation effect between the light sources is serious. The single light source 6 in the scheme is arranged on the circuit board, so that the mutual influence of heating among the light sources is eliminated, the service life of the light source is prolonged, and the light source is more stable.
Further, the positioning assembly includes: a plurality of arc-shaped check rings 7 circumferentially arranged on the side wall of the mounting groove 3, and a plurality of positioning columns 8 arranged on the bottom surface of the mounting groove 3 and extending upwards; the circuit board 5 is positioned in the plurality of arc-shaped check rings 7, and the end parts of the plurality of arc-shaped check rings 7 extend towards the middle part of the mounting groove 3; the circuit board 5 is provided with a plurality of first positioning holes 9 which are respectively in plug-in fit with the positioning posts 8. In the technical scheme, the plurality of positioning columns 8 are in plug-in connection with the plurality of first positioning holes 9, so that the left and right positions, the front and back positions of the circuit board 5 are limited, the radial positioning precision between the light source 6 on the circuit board 5 and the lamp cavity 2 of the reflector 1 is ensured, and the radial light distribution performance of the light source 6 is ensured. In addition, a plurality of arc retaining rings 7 extend to mounting groove 3 middle part, and circuit board 5 is located a plurality of arc retaining rings 7, then exists the clearance between circuit board 5 and the mounting groove 3, has increased the permeability of lamp chamber 2, has further increased the heat dispersion of light source 6.
Further, the bottom surface of mounting groove 3 is echelonment, including high step 10 and low step 11, stretch out mounting groove 3 on the high step 10 and be equipped with many short support columns 12, stretch out mounting groove 3 on the low step 11 and be equipped with many long support columns 13, the up end of many short support columns 12 and many long support columns 13 flushes and prop up on the terminal surface under the circuit board 5, and be less than the up end of many reference columns 8. In this technical scheme, the echelonment setting of mounting groove 3 can enlarge the gap between circuit board 5 and the low step 11 of mounting groove 3, increases the permeability between lamp chamber 2 and the mounting groove 3. And, a plurality of short support columns 12 and a plurality of long support columns 13 prop against the lower end face of the circuit board 5, so that the height position of the circuit board 5 is limited, the positioning accuracy between the light source on the circuit board 5 and the reflector lamp cavity in the longitudinal direction is ensured, and the longitudinal light distribution performance of the light source is ensured.
Further, at least one of the first positioning holes 9 is a circular hole engaged with the positioning post 8, and at least one is a waist-shaped hole 14. In the technical scheme, when a plurality of positioning columns 8 and a plurality of first positioning holes 9 are installed, one positioning column 8 and a circular hole are inserted and positioned at first, and then the other positioning column falls into a waist-shaped hole 14; the arrangement of the waist-shaped holes 14 can enable the arrangement of the positioning columns 8 to be installed with the first positioning holes 9 even if errors exist, so that the situation that installation or reworking cannot be realized is avoided.
Further, the reflection type car lamp module further comprises a radiator 15, the radiator 15 is an integrated plate, the integrated plate comprises a flat body part which is pressed on the circuit board 5 and a bending part which is arranged along the edge of the flat body part in a downward extending mode, the middle part of the arc-shaped retainer ring 7 is provided with a hot riveting column 16 in an upward extending mode, and a plurality of hot riveting holes 17 and a plurality of second positioning holes 18 are formed in the flat body part and are respectively matched with the hot riveting columns 16 and the positioning columns 8 in a plugging mode.
In the above technical solution, the heat sink 15 is pressed on the light source module 100, and since the light source module 100 has multiple groups, it is more miniaturized than the existing module, and because of the arrangement of the single light source 6, the required area of the heat sink 15 is greatly reduced, resulting in that the size/weight of the heat sink 15 is greatly reduced, and the material cost of the heat sink 15 is greatly reduced. Because the assembly mode is changed from the assembly of parts such as conventional reflectors and the like to the assembly of light source modules/radiators on the reflectors, the radiator only needs to be processed with through holes, the structure of the radiator is greatly simplified, the aluminum radiator can be manufactured by changing the original die casting process into the stamping process, and the processing cost of the radiator is greatly reduced. The middle radiator 15 is provided with the hot riveting hole 17 and the second positioning hole 18, and when the radiator 15 is installed, the hot riveting hole 17 is firstly spliced with the hot riveting column 16, and then the positioning column falls into the second positioning hole 18, so that the radiator 15 is radially positioned above the circuit board. In addition, due to miniaturization of the light source module and the radiator, the light source module can be used as a general standard module, and brand new design is not needed in new product development, so that the light source module and the radiator can be directly used.
Further, the upper ends of the plurality of rivet pins 16 are fixed by heat staking to the upper end surface of the heat sink 15. In the technical scheme, the radiator 15 and the rivet stem 16 are fixed by rivet, so that the radiator 15 and the light source module 100 are firmly locked above the lamp cavity 2, and are prevented from being longitudinally separated.
Further, the plurality of second positioning holes 18 are all waist-shaped holes 14. In this technical scheme, a plurality of second locating holes 18 are waist type hole 14 then guarantees after radiator 15 and hot riveting post 16 pegging graft, even the setting up of locating post is error to some extent, all can fall into on the second locating hole 18 smoothly, guarantees smooth installation.
Further, an opening 19 is formed in the portion, extending from the outer end edge of the flat body to the folded edge, of the flat body, and the opening 19 is communicated with the lamp cavity 2. In this technical scheme, the trompil 19 on the radiator 15 is dodged the hole, and the installation of the sheath of being convenient for just can increase the permeability of lamp chamber 2 and external, the heat dissipation of further being convenient for light source 6.
Further, the reflector 1 includes a baffle 20 and a plurality of lamp bowls 21 disposed on the baffle 20 and adjacent to each other, the lamp cavity 2 is formed in the lamp bowl 21, and the baffle 20 and the lamp bowls 21 are integrally formed. In the technical scheme, because the upper/lower reflecting mirror and the baffle are used as parts to be assembled on the radiator in the prior art, in the mode, the upper/lower reflecting mirror and the baffle are prepared by separate dies, so that the cost is relatively troublesome, the integrally formed reflecting mirror is high in integrity and strength, the die products are correspondingly reduced, and the cost is greatly saved.
In this embodiment, as shown in fig. 8, 9 and 10, 202 is LED particles, and there are a plurality of LED particles, and the LED particles are inserted and matched at 201 and 203, so that the existing module 200 and the existing heat sink 204 are assembled in advance. The upper reflector 302 is assembled with the radiator 201 after being inserted into the positions 301 and 300, and the lower reflector 401 and the baffle 400 are assembled with the radiator 204 in the same way. In the process, the reflector and the light source LED particles are not positioned, so that the light distribution performance of the car lamp is affected.
In the new scheme, the reflector 1 is used as the installation main body, the light source 6 in the light source module 100 is positioned on the reflector 1 through the positioning assembly, and then the radiator 15 is pressed on the light source module 100, so that the light source 6 is accurately positioned on the reflector 1, and the light distribution performance of the car lamp is more stable.
In addition, the light source module 100 and the heat sink 15 are assembled together and have a plurality of groups, which is more miniaturized than the existing module, and the required area of the heat sink 15 is greatly reduced due to the arrangement of the single light source 6, so that the size/weight of the heat sink 15 is greatly reduced, and the material cost of the heat sink 15 is greatly reduced.
In addition, the assembly mode is changed from the assembly of parts such as the conventional reflectors and the like to the assembly of the light source modules/the heat radiator on the reflectors, so that the heat radiator only needs to be processed with a through hole, the structure of the heat radiator is greatly simplified, the aluminum heat radiator can be manufactured by changing the original die casting process into the stamping process, and the processing cost of the heat radiator is greatly reduced.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention.
Claims (7)
1. The utility model provides a reflective car light, includes lamp body, its characterized in that: the lamp body comprises a lamp shade, a lamp shell and a reflective car lamp module arranged on the lamp shell, wherein the reflective car lamp module comprises a reflector (1) and a plurality of light source modules (100) arranged on the reflector (1); the reflector (1) is provided with a plurality of lamp cavities (2), and the plurality of light source modules (100) are correspondingly arranged above the plurality of lamp cavities (2); the upper end of the lamp cavity (2) is provided with a mounting groove (3), and the middle part of the bottom surface of the mounting groove (3) is provided with an opening (4) which is communicated with the lamp cavity (2); the mounting groove (3) is provided with a positioning assembly for positioning and assembling with the light source module (100), and the light source (6) of the light source module (100) is positioned above the opening (4) of the mounting groove (3) and faces the lamp cavity (2);
the light source module (100) comprises a circuit board (5) and a single light source (6) arranged on the lower end surface of the circuit board (5), wherein the light source (6) is LED particles;
the positioning assembly includes: a plurality of arc-shaped check rings (7) circumferentially arranged on the side wall of the mounting groove (3), and a plurality of positioning columns (8) arranged on the bottom surface of the mounting groove (3) and extending upwards; the circuit board (5) is positioned in the arc-shaped check rings (7), and the end parts of the arc-shaped check rings (7) extend towards the middle part of the mounting groove (3); a plurality of first positioning holes (9) are formed in the circuit board (5) and are respectively matched with the plurality of positioning columns (8) in an inserting manner;
the bottom surface of mounting groove (3) is echelonment, including high step (10) and low step (11), stretch out mounting groove (3) on high step (10) and be equipped with many short support column (12), stretch out mounting groove (3) on low step (11) and be equipped with many long support column (13), the up end of many short support column (12) and many long support column (13) flushes and prop up on terminal surface under circuit board (5), and be less than the up end of many reference column (8).
2. A reflective vehicular lamp according to claim 1, wherein: at least one of the first positioning holes (9) is a round hole which is matched with the positioning column (8), and at least one of the first positioning holes is a waist-shaped hole (14).
3. A reflective vehicular lamp according to claim 1, wherein: the reflection type car lamp module further comprises a radiator (15), the radiator (15) is an integrated plate, the integrated plate comprises a flat body part which is pressed on the circuit board (5) and a bending part which is arranged along the edge of the flat body part in a downward extending mode, a hot riveting column (16) is arranged in the middle of the arc-shaped retainer ring (7) in an upward extending mode, and a plurality of hot riveting holes (17) and a plurality of second positioning holes (18) are formed in the flat body part and are respectively in splicing fit with the hot riveting columns (16) and the positioning columns (8).
4. A reflective vehicular lamp as defined in claim 3, wherein: the upper ends of the hot riveting columns (16) are fixed with the upper end face of the radiator (15) in a hot riveting mode.
5. A reflective vehicular lamp as defined in claim 3, wherein: the plurality of second positioning holes (18) are all waist-shaped holes (14).
6. A reflective vehicular lamp according to claim 5, wherein: the outer end edge of the flat body part extends to the edge folding part and is provided with an opening (19), and the opening (19) is communicated with the lamp cavity (2).
7. A reflective vehicular lamp according to claim 1, wherein: the reflector (1) comprises a baffle (20) and a plurality of lamp bowls (21) arranged on the baffle (20) and adjacent to each other, the lamp cavity (2) is formed in the lamp bowls (21), and the baffle (20) and the lamp bowls (21) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211053560.4A CN115419859B (en) | 2022-08-31 | 2022-08-31 | Reflection type car lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211053560.4A CN115419859B (en) | 2022-08-31 | 2022-08-31 | Reflection type car lamp |
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| CN115419859A CN115419859A (en) | 2022-12-02 |
| CN115419859B true CN115419859B (en) | 2023-07-28 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8845161B2 (en) * | 2011-02-09 | 2014-09-30 | Truck-Lite Co., Llc | Headlamp assembly with heat sink structure |
| CN205979495U (en) * | 2016-08-24 | 2017-02-22 | 江苏亿诺车辆部件有限公司 | Nearly for optical module speculum part of car lamps and lanterns LED |
| CN107990277A (en) * | 2017-12-25 | 2018-05-04 | 上海小糸车灯有限公司 | Car light reflecting LED module system and vehicle lamp assembly |
| CN111486407A (en) * | 2019-11-30 | 2020-08-04 | 华域视觉科技(上海)有限公司 | Car lamp module, car lamp and vehicle |
| CN212132325U (en) * | 2020-07-13 | 2020-12-11 | 台州豪钿电子科技有限公司 | Car light module with waterproof function |
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