CN217584283U - Small double-light module - Google Patents

Abstract

The utility model discloses a little module of two lights, including the heat dissipation main part, the wherein one end of heat dissipation main part is equipped with radiator unit, be equipped with the mounting platform who is connected with radiator unit in the heat dissipation main part, the below is equipped with the lower cover, still including installing passing light module and the distance light module of both sides about the mounting platform respectively, be located the anti-dazzling screen that the light-emitting window that just corresponds with passing light module on the mounting platform, and be located the lens that radiator unit was kept away from to the heat dissipation main part, passing light module includes passing light LED light source and the passing light reflector that corresponds with passing light LED light source, the distance light module includes distance light LED light source and the light path turn piece that corresponds with distance light LED light source, the one side that mounting platform and distance light module correspond is equipped with turn piece installation face, light path turn piece is installed on light path turn piece installation face, distance light LED light source is located and is covered down. The double-light small module is small in size, cannot be clamped and generates extra heat, and the near-light LED light source and the far-light LED light source are independently cooled and do not influence each other, so that the heat dissipation efficiency is greatly improved.

Description

Small double-light module

Technical Field

The utility model relates to a semiconductor lighting technology field, concretely relates to little module of two lights.

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.

Current LED far and near light integration car headlamp includes nearly light LED light source module, far-reaching beam LED light source module, anti-dazzling screen and lens unit usually, and the light that nearly light LED light source module and far-reaching beam LED light source module sent switches through the anti-dazzling screen, and this anti-dazzling screen adopts the electro-magnet to make usually, and adopts the electro-magnet not only to consume electric power, has wasted the energy, and mechanical light change mechanism causes troubles such as card machine easily. In order to improve the light collection efficiency, the distance between the far and near light LED light source modules in the vertical direction cannot be too large, so that the thickness of a heat dissipation substrate between the far and near light LED light source modules is limited, the heat dissipation effect of a headlamp is influenced, the temperature of a vehicle lamp is increased finally, and the service life of the vehicle lamp is shortened. In addition, because the LED light source has a certain thickness (usually 1-2 mm), and a space is left between the LED light source and the heat dissipation substrate, a large distance (usually 5-7 mm) must exist between the light emitting surfaces of the two LED light source modules, resulting in a large system volume.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that exists among the prior art, provide a small, the radiating rate is fast, energy consumes few and can not produce the little module of two light of card machine phenomenon.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a two little modules of light, includes the heat dissipation main part, the wherein one end of heat dissipation main part is equipped with radiator unit, be equipped with in the heat dissipation main part with the mounting platform that radiator unit connects, the below is equipped with the lower cover, still including install respectively in passing light module and far-reaching beam module of both sides about the mounting platform, be located on the mounting platform and with the light-shading piece that the light outlet of passing light module corresponds and be located radiator unit's lens is kept away from to the heat dissipation main part, passing light module include passing light LED light source and with the passing light reflector that passing light LED light source corresponds, far-reaching beam module include far-reaching beam LED light source and with the light path turn spare that far-reaching beam LED light source corresponds, the one side that mounting platform and far-reaching beam module correspond is equipped with light path turn spare installation face, light path turn spare install in on the light path turn spare installation face, far-reaching beam LED light source is located on the lower cover.

Furthermore, the upper surface of the shading sheet is provided with a first reflection area, and the lower surface of the shading sheet is provided with a second reflection area.

Furthermore, the first reflection area and the second reflection area are both plated with reflection films.

Further, the bottom of passing light reflector light-emitting port one side is located to the both ends pressure of anti-dazzling screen, be equipped with the mounting hole that corresponds on passing light reflector, anti-dazzling screen and the mounting platform, through the screw fixation between the mounting hole, the mounting platform sets up with the position fretwork that the first reflecting area and the second reflecting area of anti-dazzling screen correspond.

Furthermore, one side of the shading sheet close to the lens is of an arc-shaped structure, and the center of the arc corresponds to the focus of the lens.

Further, the light path turning piece at least comprises an incident surface, a first reflecting surface, a second reflecting surface and an emergent surface, wherein the incident surface corresponds to the light-emitting surface of the high-beam LED light source.

Further, the light path turning piece is a transparent polyhedron, the incident surface is in a groove shape, and light rays emitted by the high-beam LED light source are projected onto the incident surface.

Furthermore, the incident surface is a rotating curved surface formed by rotating a plurality of sections of lines, the plurality of sections of lines comprise curves positioned in the middle and straight lines positioned on two sides, and the first reflecting surface and the second reflecting surface are total internal reflecting surfaces.

Furthermore, the mounting platform is equipped with the spacing groove in the one side that is different from the short-distance beam module, and part the light path turning piece is spacing in the spacing groove, the bottom of spacing groove is equipped with the installation position.

Furthermore, the heat dissipation body further comprises an upper cover arranged on one side of the dipped beam module close to the lens and a rear cover corresponding to the heat dissipation body.

The utility model provides a two little modules of light, including the heat dissipation main part, the wherein one end of heat dissipation main part is equipped with radiator unit, be equipped with the mounting platform who is connected with radiator unit in the heat dissipation main part, the below is equipped with the lower cover, still including installing passing light module and the high beam module of both sides about the mounting platform respectively, be located the mounting platform and the anti-dazzling screen that corresponds with the light outlet of passing light module, and be located the lens that radiator unit was kept away from to the heat dissipation main part, passing light module includes passing light LED light source and the passing light reflector that corresponds with passing light LED light source, the high beam module includes high beam LED light source and the light path turn spare that corresponds with high beam LED light source, the one side that mounting platform and high beam module correspond is equipped with light path turn spare installation face, light path turn spare is installed on light path turn spare installation face, high beam LED light source is located on the lower cover. The utility model discloses far and near light state is switched to the switch of accessible far and near light LED light source, forms the far and near light facula when opening far and near light LED light source promptly, forms the short-distance beam facula when closing far and near light LED light source, need not to adopt traditional mechanical element's anti-dazzling screen, can not block the machine, also can not produce extra heat. The double-light small module is small in size, and the near-light LED light source and the far-light LED light source are independently radiated without influencing each other, so that the radiating efficiency is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a dual-optical small module according to the present invention;

fig. 2 is an exploded view of an embodiment of the dual-optical small module of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the dual optical micromodule of the invention;

fig. 4 is a cross-sectional view of an embodiment of the optical path turning member of the present invention.

Shown in the figure: 10. a heat dissipating body; 110. a heat dissipating component; 111. a heat sink; 112. a fan; 120. mounting a platform; 130. a lower cover; 140. a limiting groove; 150. an upper cover; 160. a rear cover; 20. a short-distance light module; 210. a low beam LED light source; 220. a dipped beam reflector; 30. a high beam module; 310. a high beam LED light source; 320. a light path turning member; 321. an incident surface; 322. a first reflective surface; 323. a second reflective surface; 324. an exit surface; 350. a horizontal mounting plate; 40. a shading sheet; 410. an arc-shaped structure; 50. a lens; 610. a first mounting substrate; 620. a second mounting substrate; 70. a drive plate.

Detailed Description

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

as shown in fig. 1-3, the utility model provides a little module of two lights, including heat dissipation main part 10, the wherein one end of heat dissipation main part 10 is equipped with radiator unit 110, be equipped with on the heat dissipation main part 10 with the mounting platform 120 that radiator unit 110 connects, the below is equipped with lower cover 130, still including install respectively in the passing light module 20 and the distance light module 30 of both sides about mounting platform 120, be located light-shading sheet 40 between the light-emitting window of passing light module 20 and distance light module 30 and be located the lens 50 that radiator unit 110 is far away from to heat dissipation main part 10, passing light module 20 include passing light LED light source 210 and with the passing light reflector 220 that passing light LED light source 210 corresponds, distance light module 30 include passing light LED light source 310 and with the light path turning piece 320 that passing light LED light source 310 corresponds, the one side that mounting platform 120 corresponds with distance light module 30 is equipped with the light path turning piece installation face, light path turning piece 320 install in on the light path turning piece, passing light LED light source 310 is located on the lower cover 130. Specifically, the light shielding sheet 40 is located on the mounting platform 120 and corresponds to the light outlet of the low beam module 20, and two planes corresponding to the low beam module 20 and the high beam module 30 are both reflective surfaces, the low beam LED light source 210 is fixed on the mounting platform 120 through the first mounting substrate 610, the low beam reflector 220 is directly fixed on the mounting platform 120 and is used for collecting and reflecting the light emitted from the low beam LED light source 210 and then emitting the light along a specified direction, one part of the light is directly projected onto the lens 50, and the other part of the light is reflected by the light shielding sheet 40 and then projected onto the lens 50 to form an illumination spot; the high beam LED light source 310 is fixed on the lower cover 130 through the second mounting substrate 620, and the light path turning member 320 is mounted on the light path turning member mounting surface and corresponds to the position of the high beam LED light source 310, for changing the direction of the light emitted from the high beam LED light source 310 and emitting the light along a predetermined direction, wherein a portion of the light is directly projected onto the lens 50, and another portion of the light is reflected by the corresponding surface of the light-shielding sheet 40 and then projected onto the lens 50 to emit the light. In this embodiment, first mounting substrate 610 and second mounting substrate 620 all adopt the heat conduction material to make, can conduct the heat that produces near-beam LED light source 210 and distance beam LED light source 310 to mounting platform 120 fast on, the one end mutually perpendicular of mounting platform 120 and radiator unit 110 contact, and mounting platform 120 and lower cover 130 all adopt the heat conduction material to make, can derive the heat that produces near-beam LED light source 210 and distance beam LED light source 310 to radiator unit 110 fast and dispel the heat, and near-beam LED light source 210 and distance beam LED light source 310 derive through mounting platform 120 and lower cover 130 respectively, dispel the heat respectively, each other does not influence, the radiating efficiency has been improved greatly. The utility model discloses far and near light state is switched to the switch of accessible far-reaching beam LED light source 310, forms the far-reaching beam facula when opening far-reaching beam LED light source 310 promptly, forms the passing light facula when closing far-reaching beam LED light source 310, need not to adopt traditional mechanical element's anti-dazzling screen, can not block the machine, can not produce extra heat yet. The upper surface of the light shielding sheet 40 is provided with a first reflection area, and the lower surface is provided with a second reflection area. Specifically, the first reflective region may cover the entire upper surface or a part of the upper surface of the light-shielding sheet 40 for reflecting a part of the light emitted from the low-beam LED light source 210, and the second reflective region may cover the entire lower surface or a part of the lower surface of the light-shielding sheet 40 for reflecting a part of the light emitted from the high-beam LED light source 310. Preferably, the first reflective region and the second reflective region of the light shielding sheet 40 are both plated with reflective films. In this embodiment, the upper and lower surfaces of the light shielding sheet 40 are both plated with reflective films to form a first reflective region and a second reflective region, for example, plated with aluminum or silver, or plated with other metals with high reflectivity, so as to ensure that light is reflected as much as possible. The first reflective region and the second reflective region may be symmetrically or asymmetrically distributed with respect to the light-shielding sheet 40. The first reflective region and the second reflective region may be the same or different in shape and size. In this embodiment, the first reflective region completely covers the upper surface of the light shielding sheet 40, and the second reflective region completely covers the lower surface of the light shielding sheet 40.

Preferably, the bottom of passing light reflector 220 light-emitting outlet one side is located to the both ends pressure of light-shielding sheet 40, be equipped with corresponding mounting hole on passing light reflector 220, light-shielding sheet 40 and mounting platform 120, pass through the screw fixation between the mounting hole, the position fretwork setting that mounting platform 120 and the first reflecting area and the second reflecting area of light-shielding sheet 40 correspond does not shelter from the first reflecting area and the second reflecting area of light-shielding sheet 40 promptly to the light that makes passing light module 20 and distance beam module 30 outgoing does not have the projection that shelters from carries out the reflection on the corresponding plane of reflection of light-shielding sheet 40.

Preferably, one side of the light shielding sheet 40 close to the lens is an arc structure, and the center of the arc corresponds to the focal point of the lens 50. One side of the light shielding sheet 40 close to the lens 50 is an arc-shaped structure 410, that is, one side of the cross section of the light shielding sheet 40 close to the lens 50 is a curve, so that the curve is imaged into a straight line at a distance through the lens 50 by the illumination light beams, and the light type is not influenced. In this embodiment, the shade 40 is a very thin stainless steel sheet having a thickness of 0.08mm to 0.3mm, preferably 0.1mm. The arc-shaped structure 410 is a concave surface, that is, the cross section of the arc-shaped structure is concave, that is, one side of the stainless steel sheet close to the lens 50 is arc-shaped, and the center of the arc is located near the focal point of the lens 50, it should be noted that the more the light near the focal point, the brighter the illumination light spot is finally formed, and therefore, part of the light which cannot be converged near the focal point is converged near the focal point after being reflected by the first reflection area or the second reflection area, and finally exits through the lens 50 to improve the brightness of the illumination light spot.

Preferably, the light path turning member 320 at least includes an incident surface 321, a first reflecting surface 322, a second reflecting surface 323, and an exit surface 324, and the incident surface 321 corresponds to a light emitting surface of the high beam LED light source 310. Preferably, the light path turning member 320 is a transparent polyhedron formed by a plurality of curved surfaces and planes, as shown in fig. 4, wherein the incident surface 321 is in a groove shape, the incident surface 321 corresponds to the light emitting surface of the high beam LED light source 310, that is, the light emitting surface of the high beam LED light source 310 corresponds to the groove structure, and the emitted light is projected onto the incident surface 321 as much as possible for collection and utilization, so as to maximize the light utilization efficiency.

Preferably, the incident surface 321 is a rotating curved surface formed by rotating a plurality of lines, the plurality of lines include a curved surface located in the middle and straight lines located at two sides, the light emitted from the high beam LED light source 310 is projected onto the curved surface formed by rotating the curved surface and the curved surface formed by rotating the straight lines at two sides, is directly projected onto the second reflecting surface 323 or is projected onto the second reflecting surface 323 after being reflected by the first reflecting surface 322, and is finally emitted through the exit surface 324 after being reflected by the second reflecting surface 323. In this embodiment, the first reflective surface 322 and the second reflective surface 323 are all internal reflective surfaces, which can reflect all incident light beams to avoid light loss, and certainly, a reflective layer with high reflectivity may be coated on the outer sides of the first reflective surface 322 and the second reflective surface 323 to reflect the incident light beams. In this embodiment, the first reflecting surface 322 is a curved reflecting surface, and the second reflecting surface 323 is a flat reflecting surface. Preferably, the exit surface 324 is a plane, and for convenience of description, an xyz spatial coordinate system is established, wherein the z axis is along the optical axis of the lens 50, and the yz plane is a symmetrical plane of the whole optical system, then the incident surface 321 is formed by rotating the multi-segment line around the y axis by 360 degrees in this embodiment, and the angle between the exit surface 324 and the xy plane is 10-15 degrees.

Preferably, a surface of the mounting platform 120 different from the low beam module 20 is provided with a limiting groove 140, and a part of the light path turning member 320 is limited in the limiting groove 140. As shown in fig. 3, a limiting groove 140 is disposed on one side of the mounting platform 120 corresponding to the high beam module 30, a light path turning member mounting surface is disposed at the bottom of the limiting groove 140, horizontal mounting plates 350 are disposed on two sides of the middle portion of the light path turning member 320 along the circumferential direction, and during mounting, the horizontal mounting plates 350 are connected to the light path turning member mounting surface at the bottom of the limiting groove 140, so that the light path turning member 320 is fixed in the limiting groove 140.

Preferably, the heat dissipating body 10 further includes an upper cover 150 disposed on a side of the low beam module 20 close to the lens 50 and a rear cover 160 corresponding to the heat dissipating assembly 110, the heat dissipating assembly 110 includes a heat dissipating fin 111 and a fan 112 tightly connected to each other, and the rear cover 160 is disposed around the fan 112 to fix the fan 112 to the heat dissipating body 10. The lower cover 130 is further provided with a driving board 70 connected with the high beam LED light source 310.

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 a little module of two light, a serial communication port, including the heat dissipation main part, the wherein one end of heat dissipation main part is equipped with radiator unit, be equipped with in the heat dissipation main part with the mounting platform that radiator unit connects, the below is equipped with the lower cover, still including install respectively in passing light module and the distance light module of both sides about the mounting platform, be located the last and anti-dazzling screen that corresponds with the light outlet of passing light module and being located radiator unit's lens are kept away from to the heat dissipation main part, passing light module include passing light LED light source and with passing light reflector that passing light LED light source corresponds, the distance light module include distance light LED light source and with the light path turn piece that distance light LED light source corresponds, the one side that mounting platform and distance light module correspond is equipped with light path turn piece installation face, light path turn piece install in on the light path turn piece installation face, distance light LED light source locates on the lower cover.

2. The dual photo-voltaic cell module according to claim 1, wherein the light shielding sheet has a first reflective region on an upper surface thereof and a second reflective region on a lower surface thereof.

3. The dual-photon module of claim 2, wherein the first and second reflective regions are coated with a reflective film.

4. The dual small optical module as claimed in claim 2, wherein the two ends of the light shielding plate are pressed on the bottom of the side of the light outlet of the low beam reflector, the light shielding plate and the mounting platform are provided with corresponding mounting holes, the mounting holes are fixed by screws, and the mounting platform is hollow in the corresponding parts of the first reflection area and the second reflection area of the light shielding plate.

5. The dual light module as recited in claim 1 wherein the side of the gobo adjacent to the lens is curved and the center of the curve corresponds to the focal point of the lens.

6. The dual small light module as claimed in claim 1, wherein the light path turning member comprises at least an incident surface, a first reflecting surface, a second reflecting surface and an exit surface, the incident surface corresponding to the light emitting surface of the high beam LED light source.

7. The dual panel module of claim 6 wherein the light path turning member is a transparent polyhedron, the incident surface is in the shape of a groove, and the light from the high beam LED light source is projected onto the incident surface.

8. The dual light module as recited in claim 6 wherein the incident surface is a surface of revolution formed by rotating a plurality of segments including a curved line in the middle and straight lines on both sides, and the first and second reflective surfaces are total internal reflective surfaces.

9. The dual beam module as claimed in claim 6, wherein a surface of the mounting platform opposite to the low beam module is provided with a limiting groove, a portion of the light path turning member is limited in the limiting groove, and a bottom of the limiting groove is provided with a light path turning member mounting surface.

10. The dual light module as claimed in claim 1, wherein the heat dissipating body further comprises an upper cover disposed on a side of the low beam module near the lens and a rear cover corresponding to the heat dissipating body.

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