CN214619367U - Far and near light integrated illuminating lamp - Google Patents

Abstract

The invention discloses a far and near light integrated illuminating lamp, which comprises a main body, a first light source module and a bottom plate, wherein the first light source module and the bottom plate are arranged on the main body, a gap is arranged between the main body and the bottom plate, a second light source module is arranged on one side of the bottom plate, which is close to the main body, a shading part and a lens which are arranged on the main body are sequentially arranged behind a light path of the first light source module and the second light source module, the first light source module comprises a first LED light source and a reflecting cup which corresponds to the first LED light source, the second light source module comprises a second LED light source and a light path turning unit which corresponds to the second LED light source, and light rays emitted by the second LED light source are projected onto the lens after the direction of the light path turning unit is changed. The second light source module is arranged on the bottom plate instead of the main body, heat dissipation is carried out through the bottom plate, the first light source module is fixed on the main body and carries out heat dissipation through the main body, the first light source module and the second light source module carry out heat dissipation respectively without mutual influence, and therefore the heat dissipation speed is greatly improved, and the service life of the light source is greatly prolonged.

Description

Far and near light integrated illuminating lamp

Technical Field

The utility model relates to a semiconductor lighting technology field, concretely relates to integrative light of far and near light.

Background

With the development of semiconductor technology, LED (Light Emitting Diode) Light sources have the advantages of high efficiency, energy saving, environmental protection, low cost, long service life, etc., and are gradually replacing traditional incandescent lamps and energy saving lamps, becoming a general illumination Light source, and particularly being widely applied to high-beam and low-beam integrated automobile headlamps.

The existing LED high-low beam integrated automobile headlamp structure is shown in fig. 1 and comprises a low-beam LED light source module 1, a high-beam LED light source module 2 and a lens 4. The dipped beam LED light source module 1 and the high beam LED light source module 2 are arranged on the upper side and the lower side of the support and respectively radiate heat through the corresponding radiating substrates, and because the LED light source has certain thickness (usually 1-2mm), and the middle part also needs to leave space for the mounting support and the radiating substrates, therefore, a larger distance (usually 5-7mm) must exist between the light emitting surfaces of the two light source modules, the system is large in size, and because the thickness of the radiating substrates is as small as possible, the radiating efficiency is low. In addition, because the distance between the light emitting surfaces of the two light source modules is large, no light rays or less light rays exist in the middle area of the lens 4, the brightness of the formed illumination light spots is uneven, and the light energy utilization rate and the illumination effect are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that exists among the prior art, provide one kind and imitate the integrative light of the far and near light that improves the radiating efficiency and install convenient.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an integrative light of far and near light, includes the main part, install in first light source module and bottom plate in the main part, be equipped with the space between main part and the bottom plate, one side that the bottom plate is close to the main part is equipped with the second light source module, first light source module and second light source module are equipped with in proper order along the rear of light path and install anti-dazzling screen and the lens in the main part, first light source module includes first LED light source and the anti-light cup that corresponds with first LED light source, the second light source module includes second LED light source and the light path turn unit that corresponds with the second LED light source, the light that the second LED light source sent throws after the light path turn unit changes the direction on the lens.

Further, be equipped with the stiff end on the light path turning unit, be equipped with on the bottom plate with the mount table of stiff end looks adaptation, be equipped with the mounting substrate of installation second LED light source on the bottom plate.

Further, the stiff end is located the periphery of light path turning unit and outwards extends along the horizontal direction, and the stiff end is equipped with two, locates separately the relative both sides of light path turning unit.

Further, the mount table also be equipped with two and with two the stiff end one-to-one, two form the recess between the mount table, one of them part of light path turning unit is located in the recess, the mounting substrate of second LED light source is located the bottom of recess.

Further, the light path turning unit comprises at least one transparent polyhedron, each transparent polyhedron at least comprises an incident surface, a first reflecting surface, a second reflecting surface and an emergent surface, the incident surface is an edge, the bottom of the transparent polyhedron is inwards concave, and the light emitting surface of the second LED light source corresponds to the incident surface.

Further, the first reflecting surface and the second reflecting surface are all total internal reflecting surfaces.

Furthermore, the second LED light source and the transparent polyhedron are respectively provided with two light sources, and the two light sources are in one-to-one correspondence.

Furthermore, the exit surface is a plane, and the included angle between the exit surfaces of the two transparent polyhedrons is 160-175 degrees.

Further, the mounting substrate and the bottom plate are both made of heat conducting materials, and the main body and/or the bottom plate are/is provided with heat radiating fins.

Furthermore, a heat dissipation assembly is arranged on one side, away from the lens, of the main body, the second LED light source is arranged on one side, close to the lens, of the bottom plate, and one side, away from the lens, of the bottom plate is fixed to the main body and is in contact with the heat dissipation assembly.

The utility model provides an integrative light of far and near light, including the main part, install in first light source module and bottom plate in the main part, be equipped with the space between main part and the bottom plate, one side that the bottom plate is close to the main part is equipped with the second light source module, first light source module and second light source module are equipped with the anti-dazzling screen and the lens of installing in the main part in proper order along the rear of light path, first light source module includes first LED light source and the anti-light cup that corresponds with first LED light source, the second light source module includes second LED light source and the light path turn unit that corresponds with second LED light source, the light that the second LED light source sent throws after light path turn unit changes the direction on the lens. The second light source module is arranged on the bottom plate instead of the main body, heat dissipation is carried out through the bottom plate, the first light source module is fixed on the main body and carries out heat dissipation through the main body, the first light source module and the second light source module respectively dissipate heat, the heat dissipation speed is not affected, and the service life of the light source is greatly improved.

Drawings

FIG. 1 is a schematic structural diagram of an LED high-low beam integrated automobile headlamp in the prior art;

fig. 2 is a perspective cross-sectional view of a high beam and low beam integrated lighting lamp according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating an installation between a second light source module and a bottom plate according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a transparent polyhedron in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of two transparent polyhedrons in an embodiment of the present invention;

fig. 6a-6b are schematic diagrams of two lens spots in an embodiment of the present invention.

Shown in FIG. 1: 1. a dipped beam LED light source module; 2. a high beam LED light source module; 4. a lens;

shown in FIGS. 2-5: 10. a main body; 20. a first light source module; 210. a first LED light source; 220. a light reflecting cup; 30. a second light source module; 310. a second LED light source; 311. light spots; 320. an optical path turning unit; 321. a fixed end; 330. a transparent polyhedron; 331. an incident surface; 332. a first reflective surface; 333. a second reflective surface; 334. an exit surface; 40. a light shielding member; 50. a lens; 60. a base plate; 61. an installation table; 62. a mounting substrate; 70. a heat dissipating component; 80. and heat dissipation fins.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 2, the utility model provides an integrative light of far and near light, including main part 10, install in first light source module 20 and bottom plate 60 on the main part 10, be equipped with the space between main part 10 and the bottom plate 60, one side that bottom plate 60 is close to main part 10 is equipped with second light source module 30, first light source module 20 and second light source module 30 are equipped with shading piece 40 and the lens 50 of installing on main part 10 along the rear of light path in proper order. In this embodiment, the main body 10 is made of a material with good heat conductivity and high strength, and can support the structural components of the whole lighting fixture, and is not easy to deform and can rapidly guide out the heat generated by the first light source module 20, and the side of the main body 10 away from the lens 50 is provided with the heat dissipation assembly 70 for rapidly dissipating the heat generated by the whole lighting fixture. The first light source module 20 and the second light source module 30 are distributed in a vertical direction, i.e., on the sides of the main body 10 and the bottom plate 60 near the light-shielding member 40 and the lens 50, respectively. The first light source module 20 includes a first LED light source 210 and a reflective cup 220 corresponding to the first LED light source 210, the second light source module 30 includes a second LED light source 310 and a light path turning unit 320 corresponding to the second LED light source 310, a fixing end 321 is disposed on the light path turning unit 320, a mounting table 61 adapted to the fixing end 321 is disposed on the bottom plate 60, a mounting substrate 62 for mounting the second LED light source 310 is disposed on the bottom plate 60, and light emitted from the second LED light source 310 is projected onto the lens 50 after the direction of the light path turning unit 320 is changed. Specifically, the utility model discloses be different from current car light, install second light source module 30 on bottom plate 60, dispel the heat through bottom plate 60, and first light source module 20 then dispels the heat through main part 10, and both dispel the heat respectively, and each other does not influence, improves the life of radiating rate and light source greatly. In addition, the mounting substrate 62 and the mounting table 61 are arranged on the bottom plate 60 to fix the second LED light source 310 and the light path turning unit 320 respectively, so that the relative position relationship between the two can be ensured, the stability is good, and the whole lighting lamp is simple in structure, small in size and simple and convenient to operate.

As shown in fig. 3, the fixing ends 321 are located at the periphery of the optical path turning unit 320 and extend outwards along the horizontal direction, and two fixing ends 321 are respectively disposed at two opposite sides of the optical path turning unit 320. The mounting table 61 is also provided with two fixing ends 321, the fixing ends are in one-to-one correspondence with the fixing ends, a groove is formed between the mounting table 61, and one part of the light path turning unit 320 is located in the groove. In this embodiment, the fixed end 321 is a horizontal block located on two opposite sides of the light path turning unit 320 in the circumferential direction, the mounting table 61 is a boss extending from the bottom plate 60 along the vertical direction, the fixed end 321 is connected with the mounting table 61 through a screw thread, namely, the mounting table 61 and the fixed end 321 are respectively provided with corresponding screw holes, and are connected and fixed through screws, so that the stability is good and the deviation is not easy to occur.

The mounting substrate 62 of the second LED light source 310 is located at the bottom of the groove, a gap is formed between the mounting substrate and the bottom of the light path turning unit 320, the light emitting surface of the second LED light source 310 corresponds to the bottom of the light path turning unit 320 after the second LED light source 310 is mounted and fixed, and the light emitted from the second LED light source 310 is projected onto the light path turning unit 320.

Preferably, the mounting substrate 62 and the bottom plate 60 are made of a heat conducting material, for example, aluminum, copper, etc. with good heat conducting property, and the heat conducting speed is fast, so that heat generated by the second LED light source 310 can be conducted away quickly. A plurality of heat dissipation fins 80 may be further disposed on the main body 10 and/or the bottom plate 60 at intervals, specifically, the heat dissipation fins 80 are disposed on the edge of one side of the main body 10 or the bottom plate 60 close to the first light source module 20 or the second light source module 30, the heat dissipation fins 80 are disposed on the main body 10 for dissipating heat of the first light source module 20, the heat dissipation fins 80 are disposed on the bottom plate 60 for dissipating heat of the second light source module 30, and in fig. 2, only the bottom plate 60 is disposed with heat dissipation fins.

Preferably, one side that lens 50 was kept away from to main part 10 is equipped with radiator unit 70, including radiator fan etc. for the heat that produces first light source module 20 and second light source module 30 distributes away fast, second LED light source 310 is located one side that bottom plate 60 is close to lens 50, one side that lens 50 was kept away from to bottom plate 60 is fixed on main part 10, and contacts with radiator unit 70, derives the heat that second LED light source 310 produced and distributes away fast through radiator unit 70.

Preferably, the light path turning unit 320 includes at least one transparent polyhedron 330, and each transparent polyhedron 330 includes at least an incident surface 331, a first reflecting surface 332, a second reflecting surface 333, and an exit surface 334, as shown in fig. 3. In this embodiment, the transparent polyhedron 330 is formed by a plurality of curved surfaces and planes, wherein the incident surface 331 is a curved surface that is concave inwards along the bottom of the transparent polyhedron 330, that is, the incident surface 331 is in a groove shape, the light emitting surface of the second LED light source 310 corresponds to the incident surface 331, that is, the light emitted from the light emitting surface of the second LED light source 310 is projected onto the incident surface 331 as much as possible for collection and utilization, so that the light utilization efficiency is maximized.

As shown in fig. 4, the incident surface 331 is a rotating curved surface formed by rotating a plurality of lines, the plurality of lines includes a curved surface located in the middle and straight lines located at both sides, the light emitted from the second LED light source 310 is projected onto the curved surface formed by rotating the curved surface and the curved surfaces formed by rotating the straight lines at both sides, is directly projected onto the second reflecting surface 333 or is projected onto the second reflecting surface 333 after being reflected by the first reflecting surface 332, and is finally emitted through the exit surface 334 after being reflected by the second reflecting surface 333. In this embodiment, the first reflective surface 332 and the second reflective surface 333 are all internal reflective surfaces, and can reflect all incident light to avoid light loss, or a reflective layer with high reflectivity may be coated on the outer sides of the first reflective surface 332 and the second reflective surface 333 to reflect the incident light. In this embodiment, the first reflecting surface 332 is a curved reflecting surface, and the second reflecting surface 333 is a flat reflecting surface. Preferably, the exit surface 334 is a plane, and for convenience of description, an xyz spatial coordinate system is established, wherein the z axis is along the optical axis direction of the lens 50, and the yz plane is a symmetrical plane of the whole optical system, then the multi-segment line in this embodiment rotates 360 ° around the y axis to form the entrance surface 331, and the angle between the exit surface 334 and the xy plane is 10 ° to 15 °. Thus, the light emitted from the second light source module 30 passes through the transparent polyhedron and is projected onto the lens 50 to form a circular light spot 311, as shown in fig. 6 a.

Preferably, the second LED light source 310 and the transparent polyhedron 330 are respectively provided with two, which are in one-to-one correspondence, that is, the second light source module 30 includes two independent light source modules, each light source module includes the second LED light source 310 and the transparent polyhedron 330, each light emitted from the second LED light source 310 is projected onto the incident surface 331 of the corresponding transparent polyhedron, and after passing through the first reflecting surface 332, the second reflecting surface 333 and the emitting surface 334 in sequence, a part of the light is directly projected onto the upper half portion of the lens 50 to be emitted, and the other part of the light is projected onto the second reflecting surface 333 of the light shielding member 40 to be reflected by the second reflecting surface 333 to be emitted from the lower half portion of the lens 50, in this embodiment, the two transparent polyhedrons 330 are connected into a whole, the emitting surface 334 of the transparent polyhedron 330 is a plane, and the included angle θ between the two emitting surfaces is 160 ° -175 °, as shown in fig. 5, the distortion generated when the output light of the two light source modules is converged can be reduced, so that the light type of the high beam is more perfect. Of course, the emergent surface 334 of the transparent polyhedron may also be an inwardly concave curved surface, and the emergent surfaces 334 of the two transparent polyhedrons are discontinuous and have obvious jump. The brightness of emergent light can be improved by arranging the two light source modules. In this way, the light rays emitted from the two groups of second LED light sources 310 pass through the transparent polyhedron and are projected onto the lens 50 to form two circular light spots 311, as shown in fig. 6b, it can be seen that the lens 50 is more fully utilized in this embodiment than in fig. 6 a.

In the process of assembling the second light source module 30, the second LED light source 310 is first fixed on the mounting substrate 62, the mounting substrate 62 is fastened on the bottom plate 60, then the light path turning unit 320 is placed above the second LED light source 310, the screw holes on the fixing end 321 and the screw holes on the mounting table 61 are aligned and connected by screws (an adjustment space is reserved), and the screws are fastened after the second LED light source 310 is turned on and the light path turning unit 320 is adjusted.

Although the embodiments of the present invention have been described in the specification, these embodiments are only for the purpose of presentation and should not be construed as limiting the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides an integrative light of far and near light, its characterized in that, include the main part, install in first light source module and bottom plate in the main part, be equipped with the space between main part and the bottom plate, one side that the bottom plate is close to the main part is equipped with the second light source module, first light source module and second light source module are equipped with shading spare and the lens of installing in the main part in proper order along the rear of light path, first light source module includes first LED light source and the anti-light cup that corresponds with first LED light source, the second light source module includes second LED light source and the light path turn unit that corresponds with the second LED light source, the light that the second LED light source sent throws on the lens after the light path turn unit changes the direction.

2. The high-beam and low-beam integrated illuminating lamp as claimed in claim 1, wherein a fixed end is provided on the light path turning unit, a mounting platform adapted to the fixed end is provided on the base plate, and a mounting substrate for mounting the second LED light source is provided on the base plate.

3. The high-beam and low-beam integrated illuminating lamp as claimed in claim 2, wherein the two fixed ends are located at the periphery of the light path turning unit and extend outwards along the horizontal direction, and are respectively located at two opposite sides of the light path turning unit.

4. The high-beam and low-beam integrated illuminating lamp as claimed in claim 3, wherein the mounting platforms are also provided with two fixing ends corresponding to the two fixing ends one to one, a groove is formed between the two mounting platforms, a part of the light path turning unit is located in the groove, and the mounting substrate of the second LED light source is located at the bottom of the groove.

5. The high beam and low beam integrated lighting lamp according to claim 1, wherein the light path turning unit comprises at least one transparent polyhedron, each transparent polyhedron comprises at least an incident surface, a first reflecting surface, a second reflecting surface and an emergent surface, the incident surface is a curved surface which is concave inwards along the bottom of the transparent polyhedron, and the luminous surface of the second LED light source corresponds to the incident surface.

6. The high-beam and low-beam integrated illuminating lamp as claimed in claim 5, wherein the first reflecting surface and the second reflecting surface are all internal reflecting surfaces.

7. The high-low beam integrated illuminating lamp according to claim 5, wherein there are two second LED light sources and two transparent polyhedrons, which are in one-to-one correspondence.

8. The illumination lamp of claim 5, wherein the exit surface is a plane, and the included angle between the exit surfaces of the two transparent polyhedrons is 160-175 degrees.

9. The high-beam and low-beam integrated illuminating lamp as claimed in claim 2, wherein the mounting substrate and the bottom plate are made of heat conductive material, and the main body and/or the bottom plate are provided with heat dissipating fins.

10. The high beam and low beam integrated lighting lamp as claimed in claim 1, wherein a heat sink is disposed on a side of the main body away from the lens, the second LED light source is disposed on a side of the base plate close to the lens, and a side of the base plate away from the lens is fixed on the main body and contacts with the heat sink.

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