CN118009276A - Multifunctional LED lamp and lighting method - Google Patents

Multifunctional LED lamp and lighting method Download PDF

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Publication number
CN118009276A
CN118009276A CN202410404576.8A CN202410404576A CN118009276A CN 118009276 A CN118009276 A CN 118009276A CN 202410404576 A CN202410404576 A CN 202410404576A CN 118009276 A CN118009276 A CN 118009276A
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CN
China
Prior art keywords
led lamp
circuit board
light
windward side
lighting
Prior art date
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Granted
Application number
CN202410404576.8A
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Chinese (zh)
Other versions
CN118009276B (en
Inventor
谢青波
邓高丰
樊松
彭大伟
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Shenzhen Aurora Technology Co Ltd
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Shenzhen Aurora Technology Co Ltd
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Priority to CN202410404576.8A priority Critical patent/CN118009276B/en
Publication of CN118009276A publication Critical patent/CN118009276A/en
Application granted granted Critical
Publication of CN118009276B publication Critical patent/CN118009276B/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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
    • 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
    • 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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The application provides a multifunctional LED lamp, which comprises a shell, a circuit board arranged in the shell, a first heat dissipation piece and more than two lighting components, wherein the first heat dissipation piece is arranged on the shell; the shell is provided with a first windward side and a second windward side; the more than two lighting assemblies comprise a first lighting assembly and a second lighting assembly which are sequentially arranged on the first side of the circuit board along the direction close to the first windward side, the emergent height of the first lighting assembly is larger than that of the second lighting assembly, and the irradiation distance of the first lighting assembly is larger than that of the second lighting assembly; the first radiating piece is arranged on the second side of the circuit board, more than two radiating fins are extended from one side of the first radiating piece away from the circuit board and sequentially arranged along the direction away from the second windward side, the projection of the radiating fins on the circuit board is overlapped with the projection of the first LED lamp beads and/or the second LED lamp beads on the circuit board, and the inclination direction of the radiating fins is consistent with the inclination direction of the second windward side. The application has good lighting effect and heat dissipation effect.

Description

Multifunctional LED lamp and lighting method
Technical Field
The application relates to the technical field of lamps, in particular to a multifunctional LED lamp and a lighting method.
Background
With the development of economy and the gradual development of traffic industry, automobiles are deeper and deeper into daily life of people, become an indispensable transportation means in the life at present, and automobile lamps are one of the most main accessories of automobiles and are irradiated by LED light sources at present.
The automobile LED lamp can produce a large amount of heat in the use, leads to LED lamp stand temperature to rise, and the heat that the automobile LED lamp of prior art can't effectively release the LED lamp produced, and the temperature of LED lamp probably can surpass its self can bear limit after long-time operation to take place the light decay, lead to the luminance of output to reduce, and life-span is discounted greatly, still probably can lead to the LED lamp to burn down when serious.
Disclosure of Invention
In order to overcome the defects in the prior art, the application provides a multifunctional LED lamp and a polishing method.
The specific technical scheme is as follows:
A multifunctional LED lamp comprises a shell, a circuit board arranged in the shell, a first heat dissipation piece and more than two lighting components;
The shell is provided with a first windward surface and a second windward surface, the first windward surface is close to the first side of the circuit board, the second windward surface is close to the second side of the circuit board, and the first windward surface and the second windward surface are obliquely arranged relative to the circuit board;
The lighting assembly is arranged on the first side of the circuit board, the more than two lighting assemblies comprise a first lighting assembly and a second lighting assembly which are sequentially arranged along the direction close to the first windward side, the first lighting assembly comprises a first LED lamp bead and a first light guide piece, the first light guide piece is used for guiding light rays emitted by the first LED lamp bead to the first windward side and emitting the light rays with the first light rays, the second lighting assembly comprises a second LED lamp bead and a second light guide piece, the second light guide piece is used for guiding the light rays emitted by the second LED lamp bead to the first windward side and emitting the second light rays, the emitting height of the first light rays is larger than the emitting height of the second light rays, and the irradiation distance of the first LED lamp bead is larger than the irradiation distance of the second LED lamp bead;
The first radiating piece is arranged on the second side of the circuit board, more than two radiating fins are extended from one side of the first radiating piece away from the circuit board, the projection of the radiating fins on the circuit board is overlapped with the projection of the first LED lamp beads on the circuit board, and/or the projection of the radiating fins on the circuit board is overlapped with the projection of the second LED lamp beads on the circuit board, the two radiating fins are sequentially arranged along the direction away from the second windward side, the two adjacent radiating fins are mutually spaced, and the radiating fins are obliquely arranged relative to the circuit board, and the inclination direction of the radiating fins is consistent with the inclination direction of the second windward side.
In one embodiment, the heat dissipation device further comprises a second heat dissipation part arranged in the shell, the second heat dissipation part is located on the second side of the circuit board, more than one abutting part extends out of one side, close to the circuit board, of the second heat dissipation part, one end of the second heat dissipation part abuts against the first heat dissipation part, the other end of the second heat dissipation part abuts against the heat dissipation fin located at the first position, and the abutting part abuts against the heat dissipation fin located at the non-first position.
In one embodiment, the two or more lighting assemblies further include a third lighting assembly, the third lighting assembly being located between the first lighting assembly and the second lighting assembly, the third lighting assembly including a third LED light bead and a third light guide for guiding light emitted by the third LED light bead to the first windward side and exiting as a third light;
the emergent height of the third light is between the emergent height of the first light and the emergent height of the second light, and the irradiation distance of the third LED lamp beads is smaller than that of the second LED lamp beads.
In an embodiment, the third light guide member is disposed on the second light guide member, the third light guide member has a first section, a second section and a third section exposed out of the second light guide member, the first section is located at the top of the third light guide member, the second section and the third section are located at the side of the third light guide member, the second section is adjacent to the first section and the third section respectively, and an included angle between the second section and the first section and/or an included angle between the second section and the third section is an obtuse angle, so that a third light ray emitted through the first section, a third light ray emitted through the second section and a third light ray emitted through the third section are radial.
In one embodiment, the cross section of the light guiding surface of the first light guiding piece is in a first parabolic shape, and the distance between the first LED lamp beads and the focal point of the first parabolic shape is between 0 and 0.5 mm;
And/or the section of the light guide surface of the second light guide piece is in a second parabolic shape, and the distance between the second LED lamp beads and the focus of the second parabolic curve is between 0 and 0.5 mm.
In one embodiment, an included angle between the first windward surface and the circuit board is between 30 and 60 degrees;
And/or an included angle between the second windward surface and the circuit board is between 30 and 60 degrees.
In one embodiment, the first windward side comprises a first sub-windward side and a second sub-windward side, the second sub-windward side being adjacent to the second windward side;
the first light rays are emitted from the first sub windward side, and an included angle between the first sub windward side and the circuit board is 30-40 degrees;
The second light rays are emitted from the second sub windward side, and an included angle between the second sub windward side and the circuit board is 50-60 degrees.
In one embodiment, the length of the radiating fin is 15 cm-35 cm;
and/or the distance between two adjacent radiating fins is 2 cm-7 cm.
In one embodiment, brackets are arranged on two sides of the shell, the shell is rotatably arranged on the brackets through an adjusting device, and the adjusting device is used for adjusting the angle between the shell and the brackets.
A polishing method of a multifunctional LED lamp is applied to the multifunctional LED lamp, and comprises the following steps:
Acquiring a polishing signal;
and lighting the first LED lamp beads and/or the second LED lamp beads based on the lighting signals.
The application has at least the following beneficial effects:
The application provides a multifunctional LED lamp, which comprises a shell, a circuit board, a first radiating piece and more than two lighting components, wherein the circuit board, the first radiating piece and the more than two lighting components are arranged in the shell; the shell is provided with a first windward side and a second windward side, the first windward side is close to the first side of the circuit board, the second windward side is close to the second side of the circuit board, and the first windward side and the second windward side are obliquely arranged relative to the circuit board;
The lighting assembly is arranged on the first side of the circuit board, the more than two lighting assemblies comprise a first lighting assembly and a second lighting assembly which are sequentially arranged along the direction close to the first windward side, the first lighting assembly comprises a first LED lamp bead and a first light guide piece, the first light guide piece is used for guiding light rays emitted by the first LED lamp bead to the first windward side and emitting the first light rays, the second lighting assembly comprises a second LED lamp bead and a second light guide piece, the second light guide piece is used for guiding the light rays emitted by the second LED lamp bead to the first windward side and emitting the second light rays, the emitting height of the first light rays is larger than the emitting height of the second light rays, and the irradiation distance of the first LED lamp bead is larger than the irradiation distance of the second LED lamp bead;
The first radiating piece is arranged on the second side of the circuit board, more than two radiating fins are extended from one side of the first radiating piece away from the circuit board, the projection of the radiating fins on the circuit board is overlapped with the projection of the first LED lamp beads on the circuit board, and/or the projection of the radiating fins on the circuit board is overlapped with the projection of the second LED lamp beads on the circuit board, the more than two radiating fins are sequentially arranged along the direction away from the second windward side, the adjacent two radiating fins are mutually spaced, the radiating fins are obliquely arranged relative to the circuit board, and the oblique direction of the radiating fins is consistent with the oblique direction of the second windward side.
The shell is provided with double windward sides, the first windward side and the second windward side are respectively close to two sides of the circuit board, the lighting component and the first heat dissipation piece are respectively arranged on two sides of the circuit board, wherein the lighting component is close to the first windward side and emits light rays through the first windward side, and the first heat dissipation piece is close to the second windward side and conducts heat transfer through the second windward side. According to the multifunctional LED lamp, the first windward side and the second windward side are obliquely arranged relative to the circuit board, so that the surface area of the multifunctional LED lamp is increased, the area of emergent light rays of the lighting assembly is further increased, the area of the shell capable of conducting heat transfer is increased, and the lighting effect and the heat dissipation effect are improved.
And secondly, the first heat radiating piece is close to the second windward side and conducts heat transfer through the second windward side, so that when the multifunctional LED lamp is illuminated in a moving state, the heat can be transferred by fully utilizing air flow, and the service life of the multifunctional LED lamp is prolonged.
Furthermore, the first heat dissipation piece is contacted with the circuit board to dissipate heat of the circuit board, so that the influence of heat accumulation at the circuit board on the performance of the circuit board is avoided. Meanwhile, the projection of the radiating fins on the circuit board is overlapped with the projection of the first LED lamp beads and/or the second LED lamp beads on the circuit board, and a mode of combining a solid body and a virtual body (namely, radiating fins and radiating spaces between two adjacent radiating fins) is adopted, so that the radiating effect of the first LED lamp beads and the second LED lamp beads is enhanced.
Then, the inclination direction of the radiating fin is the same as that of the second windward side, so that heat transferred from the circuit board, the first LED lamp beads and the second LED lamp beads by the radiating fin can be gathered towards the second windward side, and further the heat is transferred to the outside through the second windward side, so that the heat is prevented from being gathered in the multifunctional LED lamp.
Moreover, the more than two lighting assemblies comprise the first lighting assembly and the second lighting assembly, the emergent height of the first lighting assembly is larger than that of the second lighting assembly, and the irradiation distance of the first lighting assembly is larger than that of the second lighting assembly, so that the first light and the second light can be emitted without being blocked, the light rays cannot be mutually influenced, and the irradiation effect is good.
In addition, the emergent height and the irradiation distance of the first lighting component and the second lighting component are matched with the inclined first windward side, and the first windward side is obliquely arranged relative to the circuit board. The application ensures that the first lighting component far away from the first windward side has higher emergent height and longer irradiation distance, has smaller influence on the lighting effect under the condition of wasting part of the irradiation distance, can be used as a high beam in practical application, and is used for illuminating a road in front of a driver for a long distance.
And parts in the shell are reasonably planned, and the functions based on the parts are respectively arranged on two sides of the circuit board, so that the accumulation of the parts is avoided, and the whole volume of the multifunctional LED lamp is reduced. Meanwhile, the shell is provided with a first windward side and a second windward side which are inclined relative to the circuit board, so that the resistance of the multifunctional LED lamp when encountering air flow is reduced, and the service life of the shell is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a first cross-sectional structure of a multifunctional LED lamp according to the present embodiment;
Fig. 2 is a schematic diagram of a second cross-sectional structure of the multifunctional LED lamp according to the present embodiment;
fig. 3 is a schematic diagram of a third cross-sectional structure of the multifunctional LED lamp according to the present embodiment;
fig. 4 is a schematic structural diagram of the multifunctional LED lamp according to the present embodiment.
Reference numerals:
1-a housing; 2-a circuit board; 3-a first heat sink; 4-a second heat sink; 5-a first lighting assembly; 6-a second lighting assembly; 7-a third lighting assembly; 8-a bracket; 9-adjusting means; 11-a first windward side; 12-a second windward side; 31-radiating fins; 41-abutment; 51-a first LED lamp bead; 52-a first light guide; 61-a second LED lamp bead; 62-a second light guide; 71-a third LED lamp bead; 72-a third light guide; 111-a first sub windward side; 112-a second child windward side; 721-first section; 722-second section; 723-third cut surface; l1-a first ray; l2-a second ray; l3-third ray.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" 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 application can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 4, the present embodiment provides a multifunctional LED lamp, including a housing 1, a circuit board 2 disposed in the housing 1, a first heat sink 3, and two or more lighting assemblies;
The shell 1 is provided with a first windward surface 11 and a second windward surface 12, the first windward surface 11 is close to the first side of the circuit board 2, the second windward surface 12 is close to the second side of the circuit board 2, and the first windward surface 11 and the second windward surface 12 are obliquely arranged relative to the circuit board 2;
The lighting components are arranged on the first side of the circuit board 2, the more than two lighting components comprise a first lighting component 5 and a second lighting component 6 which are sequentially arranged along the direction close to the first windward side 11, the first lighting component 5 comprises a first LED lamp bead 51 and a first light guide piece 52, the first light guide piece 52 is used for guiding light rays emitted by the first LED lamp bead 51 to the first windward side 11 and emitting the first light rays L1, the second lighting component 6 comprises a second LED lamp bead 61 and a second light guide piece 62, the second light guide piece 62 is used for guiding the light rays emitted by the second LED lamp bead 61 to the first windward side 11 and emitting the second light rays L2, the emitting height of the first light rays L1 is larger than the emitting height of the second light rays L2, and the irradiation distance of the first LED lamp bead 51 is larger than the irradiation distance of the second LED lamp bead 61;
the first heat dissipation piece 3 is arranged on the second side of the circuit board 2, more than two heat dissipation fins 31 extend from one side of the first heat dissipation piece 3 away from the circuit board 2, the projection of the heat dissipation fins 31 on the circuit board 2 overlaps with the projection of the first LED lamp beads 51 on the circuit board 2, and/or the projection of the heat dissipation fins 31 on the circuit board 2 overlaps with the projection of the second LED lamp beads 61 on the circuit board 2, the more than two heat dissipation fins 31 are sequentially arranged along the direction away from the second windward side 12, the adjacent two heat dissipation fins 31 are mutually spaced, the heat dissipation fins 31 are obliquely arranged relative to the circuit board 2, and the oblique direction of the heat dissipation fins 31 is consistent with the oblique direction of the second windward side 12.
The housing 1 of the present embodiment has two windward sides, a first windward side 11 and a second windward side 12 are respectively close to two sides of the circuit board 2, and the lighting assembly and the first heat dissipation element 3 are respectively disposed at two sides of the circuit board 2, wherein the lighting assembly is close to the first windward side 11 and emits light through the first windward side 11, and the first heat dissipation element 3 is close to the second windward side 12 and conducts heat transfer through the second windward side 12. The first windward side 11 and the second windward side 12 of the embodiment are obliquely arranged relative to the circuit board 2, so that the surface area of the multifunctional LED lamp is increased, the area of emergent light rays of the lighting assembly is further increased, the area of the shell 1 capable of conducting heat transfer is increased, and the lighting effect and the heat dissipation effect are improved.
Secondly, the first heat dissipation element 3 of the embodiment is close to the second windward side 12, and performs heat transfer through the second windward side 12, so that when the embodiment is in a moving state, air flow can be fully utilized to transfer heat, and the service life of the multifunctional LED lamp is prolonged.
Furthermore, in the present embodiment, the first heat dissipation element 3 contacts with the circuit board 2 to dissipate heat of the circuit board 2, so as to avoid the heat accumulation at the circuit board 2 from affecting the performance of the circuit board 2. Meanwhile, the projection of the heat dissipation fins 31 on the circuit board 2 overlaps the projection of the first LED lamp beads 51 and/or the second LED lamp beads 61 on the circuit board 2, and a manner of combining the entity and the virtual body (i.e. the heat dissipation fins 31 and the heat dissipation space between two adjacent heat dissipation fins 31) is adopted to enhance the heat dissipation effect of the first LED lamp beads 51 and the second LED lamp beads 61.
Then, the inclination direction of the heat dissipation fin 31 of the embodiment is the same as that of the second windward side 12, so that the heat transferred from the circuit board 2, the first LED lamp beads 51 and the second LED lamp beads 61 by the heat dissipation fin 31 can be gathered to the second windward side 12, and then the heat is transferred to the outside through the second windward side 12, so that the heat is prevented from being gathered in the multifunctional LED lamp.
Moreover, the more than two lighting assemblies of this embodiment include the first lighting assembly 5 and the second lighting assembly 6, the emergent height of the first lighting assembly 5 is greater than the emergent height of the second lighting assembly 6, the irradiation distance of the first lighting assembly 5 is greater than the irradiation distance of the second lighting assembly 6, so that the first light L1 and the second light L2 can be emitted without being blocked, and the light rays can not influence each other, so that the irradiation effect is good.
In addition, the emergent height and the irradiation distance of the first lighting assembly 5 and the second lighting assembly 6 are matched with the inclined first windward surface 11, and the first windward surface 11 is obliquely arranged relative to the circuit board 2, so that the emergent height and the irradiation distance of the second lighting assembly 6 which are closer to the first windward surface 11 are lower, the waste of partial irradiation distance is avoided, and the LED street lamp can be used as a dipped headlight in practical application and used for illuminating a road in a close range in front of a driver. The present embodiment makes the exit height of the first lighting assembly 5 farther from the first windward side 11 higher, and the irradiation distance longer, so that the influence of the lighting effect is smaller in the case of wasting part of the irradiation distance, and the lighting assembly can be used as a high beam in practical application for illuminating the road in front of the driver for a long distance.
And, this embodiment carries out the rational planning to the part in the casing 1, sets up in the both sides of circuit board 2 respectively based on its function, has avoided the part to pile up, is favorable to reducing the whole volume of multi-functional LED lamps and lanterns. Meanwhile, the shell 1 is provided with the first windward side 11 and the second windward side 12 which are inclined relative to the circuit board 2, so that the resistance of the multifunctional LED lamp when encountering air flow is reduced, and the service life of the shell 1 is prolonged.
In one embodiment, the first windward side 11 is made of a light transmissive material or a semi-light transmissive material.
As shown in fig. 1 to 4, in one embodiment, the multifunctional LED lamp includes more than two lighting modules, the lighting modules include more than two lighting assemblies, that is, the lighting modules include a first lighting assembly and a second lighting assembly, and each lighting module has a corresponding first lighting assembly and second lighting assembly. The more than two lighting modules are sequentially arranged so that the lighting assemblies with the same serial numbers of the adjacent lighting modules are adjacent, namely, the first lighting assemblies of the adjacent lighting modules are adjacent, and the second lighting assemblies of the adjacent lighting modules are adjacent.
The embodiment comprises more than two lighting modules, and under the condition of the same volume, the number of the lighting modules is increased by reducing the volume of the lighting modules so as to ensure that the illumination brightness of the multifunctional LED lamp is sufficient; and under the condition of the same illumination brightness, compared with the multifunctional LED lamp formed by a single module, the multifunctional LED lamp formed by a plurality of illumination modules reduces the production cost and the subsequent maintenance and replacement cost.
Secondly, the lighting module of this embodiment includes first lighting component and second lighting component, and this embodiment makes the range direction of each lighting component and the range direction of each lighting module different, avoids the length overlength of multi-functional LED lamps and lanterns, and makes the distance between the same lighting component of serial number of each lighting module reduce for the lighting effect when the same lighting component of serial number of each lighting module shines simultaneously is good.
As shown in fig. 1 to 4, in one embodiment, the length of the heat dissipation fin 31 is between 15cm and 35 cm.
According to the embodiment, the heat radiation function of the first heat radiation piece 3 and the heat radiation fins 31 are matched with the heat generation capacity of the circuit board 2 and each LED lamp, the length of the heat radiation fins 31 is more than or equal to 15cm, the heat radiation fins 31 and the first heat radiation piece 3 are ensured to be combined to effectively radiate the heat generated by the circuit board 2 and each LED lamp, and the situations of insufficient heat radiation capacity, invalid heat radiation and heat still gathering are avoided.
And make the length of fin 31 less than or equal to 35cm, ensure that the situation that the heat dispersion is excessive after fin 31 combines with first radiating member 3 can not appear, make each part of fin 31 all play the heat dissipation effect, avoid appearing that the heat dissipation function of fin 31 and first radiating member 3 is greater than the heat generating capacity of circuit board 2 and each LED lamp, lead to the whole volume of multi-functional LED lamps and lanterns too big, the condition that manufacturing cost is high.
In one embodiment, the distance between two adjacent heat dissipation fins 31 is between 2cm and 7 cm. The distance between two adjacent radiating fins 31 is enough to transfer heat, the situation that heat is still gathered due to the fact that two adjacent radiating fins 31 are close to each other is avoided, meanwhile, the situation that the distance between two adjacent radiating fins 31 is too large, heat dissipation capacity is excessive, and the whole volume of the multifunctional LED lamp is too large is avoided. The multifunctional LED lamp has good heat dissipation effect and compact structure.
As shown in fig. 1 to 4, in one embodiment, the included angle between the first windward side 11 and the circuit board 2 is between 30 ° and 60 °. The present embodiment increases the surface area of the housing 1 while still ensuring that the housing 1 has a certain volume to accommodate the lighting assembly, avoiding flattening of the housing 1.
In one embodiment, the included angle between the second windward side 12 and the circuit board 2 is between 30 ° and 60 °. The present embodiment, while increasing the surface area of the housing 1, still ensures that the housing 1 has a certain volume to accommodate the first heat sink 3 and the heat dissipating fins 31, avoiding flattening of the housing 1.
As shown in fig. 1-4, in one embodiment, the first windward side 11 includes a first sub-windward side 111 and a second sub-windward side 112, the second sub-windward side 112 being proximate to the second windward side 12; the first light L1 exits from the first sub windward side 111, and an included angle between the first sub windward side 111 and the circuit board 2 is between 30 degrees and 40 degrees; the second light L2 exits from the second sub windward side 112, and an included angle between the second sub windward side 112 and the circuit board 2 is between 50 ° and 60 °.
In this embodiment, the first light L1 is emitted from the first sub-windward side 111, and the second light L2 is emitted from the second sub-windward side 112, so that the lighting effect of the multifunctional LED lamp is good when the first LED lamp bead 51 and the second LED lamp bead 61 are simultaneously turned on.
As shown in fig. 1 to 4, in one embodiment, the first light guide 52 is a reflective element, the cross section of the light guide surface of the first light guide 52 is in a first parabolic shape, and the distance between the first LED lamp beads 51 and the focal point of the first parabolic shape is between 0mm and 0.5 mm. In this embodiment, the position of the first LED lamp bead 51 is close to the focal point of the first parabola, so as to improve the effect of light reflection generated by the first LED lamp bead 51, so as to improve the light intensity of the first light L1.
In one embodiment, the second light guide 62 is a reflecting element, the cross section of the light guide surface of the second light guide 62 is in a second parabolic shape, and the distance between the second LED lamp beads 61 and the focal point of the second parabolic shape is between 0 and 0.5 mm. In this embodiment, the position of the second LED lamp bead 61 is close to the focal point of the second parabola, so as to improve the effect of light reflection generated by the second LED lamp bead 61 and improve the light intensity of the second light L2.
As shown in fig. 1 to 4, in one embodiment, brackets 8 are provided on both sides of the housing 1, the housing 1 is rotatably provided on the brackets 8 by adjusting means 9, and the adjusting means 9 is used to adjust the angle between the housing 1 and the brackets 8. In this embodiment, the adjusting device 9 is provided to enable the illumination angles of the first illumination assembly 5 and the second illumination assembly 6 to adapt to different application scenarios, so that the application range is enlarged.
In one embodiment, the adjusting device 9 comprises a screw and a nut, and the housing 1 is provided with the screw, which is connected with the nut after passing through the bracket 8.
As shown in fig. 1 to 4, in one embodiment, the heat dissipation device further includes a second heat dissipation element 4 disposed in the housing 1, the second heat dissipation element 4 is located on the second side of the circuit board 2, one side of the second heat dissipation element 4 close to the circuit board 2 extends out to more than one abutting portion 41, one end of the second heat dissipation element 4 abuts against the first heat dissipation element 3, the other end abuts against the heat dissipation fin 31 located at the first position, and the abutting portion 41 abuts against the heat dissipation fin 31 located at the non-first position.
Specifically, the second heat dissipation element 4 is located on the second side of the circuit board 2 and contacts the inner wall of the housing 1, and the first heat dissipation fin 31 extends from the second windward side 12 to abut against the second heat dissipation element 4, and the abutting portion 41 abuts against the end of the non-first heat dissipation fin 31.
In the embodiment, the volume of the heat dissipation structure is increased by arranging the second heat dissipation element 4 so as to improve the heat dissipation effect; meanwhile, the second heat dissipation piece 4 is abutted with the first heat dissipation piece 3 so as to enhance the structural strength of the first heat dissipation piece 3.
As shown in fig. 1 to 4, in one embodiment, the two or more lighting assemblies further include a third lighting assembly 7, the third lighting assembly 7 is located between the first lighting assembly 5 and the second lighting assembly 6, the third lighting assembly 7 includes a third LED lamp bead 71 and a third light guide 72, and the third light guide 72 is configured to guide light emitted by the third LED lamp bead 71 to the first windward side 11 and emit the light as a third light L3;
the exit height of the third light L3 is between the exit height of the first light L1 and the exit height of the second light L2, and the irradiation distance of the third LED lamp beads 71 is smaller than the irradiation distance of the second LED lamp beads 61.
Specifically, the third light guide 72 is a refractive element.
The exit height of the third light L3 in this embodiment is between the exit height of the first light L1 and the exit height of the second light L2, so that the third light L3 exits without being affected by the first light L1 and the second light L2, and the irradiation effect is good.
In this embodiment, the exit height of the third light L3 is between the exit height of the first light L1 and the exit height of the second light L2, and the irradiation distance of the third LED lamp bead 71 is smaller than that of the second LED lamp bead 61, so that the third LED lamp bead 71 can be used as a marker lamp in practical application for providing a warning effect to the driver facing the lane. According to the embodiment, the irradiation distance and the emergent height of each lamp bead are matched with the function of each lamp bead, so that the use experience of the embodiment in an actual application scene is good.
As shown in fig. 1 to 4, in one embodiment, the third light guide 72 is disposed on the second light guide 62, and the third light guide 72 has a first section 721, a second section 722 and a third section 723 exposing the second light guide 62, wherein the first section 721 is located on top of the third light guide 72, the second section 722 and the third section 723 are located at sides of the third light guide 72, the second section 722 is adjacent to the first section 721 and the third section 723, respectively, and an included angle between the second section 722 and the first section 721 and/or an included angle between the second section 722 and the third section 723 is an obtuse angle, so that the third light L3 exiting through the first section 721, the third light L3 exiting through the second section 722 and the third light L3 exiting through the third section 723 are radial.
In the present embodiment, the third light L3 emitted through the first facet 721, the third light L3 emitted through the second facet 722, and the third light L3 emitted through the third facet 723 are radial, and since the first facet 721 is located at the top of the third light guide 72 and the second facet 722 and the third facet 723 are located at the side of the third light guide 72, both the top and the side of the third light guide 72 output light to the outside, so that both the top and the side of the third light guide 72 are bright, and the irradiation range of the third light L3 is large, so that the third LED lamp bead 71 is easier to be found by the driver facing the lane when being used as a marker in practical application.
The embodiment also provides a polishing method of the multifunctional LED lamp, which is applied to the multifunctional LED lamp and comprises the following steps:
Acquiring a polishing signal;
And lighting the first LED lamp beads and/or the second LED lamp beads based on the lighting signals.
It will be appreciated by those of ordinary skill in the art that the modules or steps of the application described above may be implemented in a general purpose computing device, they may be centralized on a single computing device, or distributed over a network of computing devices, or they may alternatively be implemented in program code executable by a computer device, such that they are stored in a memory device and executed by the computing device, or they may be separately fabricated as individual integrated circuit modules, or multiple modules or steps within them may be fabricated as a single integrated circuit module. Thus, the present application is not limited to any specific combination of hardware and software.
Note that the above is only a preferred embodiment of the present application and the technical principle applied. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, while the application has been described in connection with the above embodiments, the application is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the application, which is set forth in the following claims.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the application are intended to be included within the scope of the application.

Claims (10)

1. The multifunctional LED lamp is characterized by comprising a shell, a circuit board, a first heat dissipation piece and more than two lighting components, wherein the circuit board, the first heat dissipation piece and the more than two lighting components are arranged in the shell;
The shell is provided with a first windward surface and a second windward surface, the first windward surface is close to the first side of the circuit board, the second windward surface is close to the second side of the circuit board, and the first windward surface and the second windward surface are obliquely arranged relative to the circuit board;
The lighting assembly is arranged on the first side of the circuit board, the more than two lighting assemblies comprise a first lighting assembly and a second lighting assembly which are sequentially arranged along the direction close to the first windward side, the first lighting assembly comprises a first LED lamp bead and a first light guide piece, the first light guide piece is used for guiding light rays emitted by the first LED lamp bead to the first windward side and emitting the light rays with the first light rays, the second lighting assembly comprises a second LED lamp bead and a second light guide piece, the second light guide piece is used for guiding the light rays emitted by the second LED lamp bead to the first windward side and emitting the second light rays, the emitting height of the first light rays is larger than the emitting height of the second light rays, and the irradiation distance of the first LED lamp bead is larger than the irradiation distance of the second LED lamp bead;
The first radiating piece is arranged on the second side of the circuit board, more than two radiating fins are extended from one side of the first radiating piece away from the circuit board, the projection of the radiating fins on the circuit board is overlapped with the projection of the first LED lamp beads on the circuit board, and/or the projection of the radiating fins on the circuit board is overlapped with the projection of the second LED lamp beads on the circuit board, the two radiating fins are sequentially arranged along the direction away from the second windward side, the two adjacent radiating fins are mutually spaced, and the radiating fins are obliquely arranged relative to the circuit board, and the inclination direction of the radiating fins is consistent with the inclination direction of the second windward side.
2. The multifunctional LED lamp of claim 1, further comprising a second heat sink disposed in the housing, the second heat sink being located on a second side of the circuit board, one side of the second heat sink adjacent to the circuit board extending out of more than one abutting portion, one end of the second heat sink abutting the first heat sink, the other end of the second heat sink abutting the heat sink fin located at the first position, the abutting portion abutting the heat sink fin located at the non-first position.
3. The multifunctional LED light fixture of claim 1, wherein the two or more lighting assemblies further comprise a third lighting assembly positioned between the first lighting assembly and the second lighting assembly, the third lighting assembly comprising a third LED light bead and a third light guide for guiding light emitted by the third LED light bead to the first windward side and exiting as a third light;
the emergent height of the third light is between the emergent height of the first light and the emergent height of the second light, and the irradiation distance of the third LED lamp beads is smaller than that of the second LED lamp beads.
4. The multifunctional LED lamp according to claim 3, wherein the third light guide member is disposed on the second light guide member, the third light guide member has a first cut surface, a second cut surface and a third cut surface exposed out of the second light guide member, the first cut surface is located at the top of the third light guide member, the second cut surface and the third cut surface are located at the side of the third light guide member, the second cut surface is adjacent to the first cut surface and the third cut surface, respectively, and an included angle between the second cut surface and the first cut surface and/or an included angle between the second cut surface and the third cut surface is an obtuse angle, so that a third light ray exiting through the first cut surface, a third light ray exiting through the second cut surface and a third light ray exiting through the third cut surface are radial.
5. The multifunctional LED lamp according to claim 1, wherein the cross section of the light guiding surface of the first light guiding member is in a first parabolic shape, and the distance between the first LED lamp beads and the focal point of the first parabolic shape is between 0 and 0.5 mm;
And/or the section of the light guide surface of the second light guide piece is in a second parabolic shape, and the distance between the second LED lamp beads and the focus of the second parabolic curve is between 0 and 0.5 mm.
6. The multifunctional LED luminaire of claim 1, wherein the included angle between the first windward side and the circuit board is between 30 ° and 60 °;
And/or an included angle between the second windward surface and the circuit board is between 30 and 60 degrees.
7. The multifunctional LED luminaire of claim 1 or 6, wherein the first windward side comprises a first sub-windward side and a second sub-windward side, the second sub-windward side being proximate to the second windward side;
the first light rays are emitted from the first sub windward side, and an included angle between the first sub windward side and the circuit board is 30-40 degrees;
The second light rays are emitted from the second sub windward side, and an included angle between the second sub windward side and the circuit board is 50-60 degrees.
8. The multifunctional LED lamp according to claim 1, wherein the length of the radiating fin is 15 cm-35 cm;
and/or the distance between two adjacent radiating fins is 2 cm-7 cm.
9. The multifunctional LED luminaire of claim 1, wherein brackets are arranged on both sides of the housing, the housing being rotatably arranged on the brackets by means of an adjusting device for adjusting the angle between the housing and the brackets.
10. A method for lighting a multifunctional LED lamp, applied to the multifunctional LED lamp of any one of claims 1 to 9, comprising:
Acquiring a polishing signal;
and lighting the first LED lamp beads and/or the second LED lamp beads based on the lighting signals.
CN202410404576.8A 2024-04-07 2024-04-07 Multifunctional LED lamp and lighting method Active CN118009276B (en)

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CN109488965A (en) * 2018-09-30 2019-03-19 新克科技有限公司 A kind of efficient heat radiating LED street lamp
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EP3438523A1 (en) * 2017-08-04 2019-02-06 Valeo Vision Pivotable luminous module for vehicle headlight
CN208535889U (en) * 2018-08-02 2019-02-22 深圳北极之光科技有限公司 Nearly distance light integral LED headlight
CN109488965A (en) * 2018-09-30 2019-03-19 新克科技有限公司 A kind of efficient heat radiating LED street lamp
WO2023125062A1 (en) * 2021-12-29 2023-07-06 比亚迪股份有限公司 Heat dissipation device and lighting apparatus

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