CN112146053A - Projection lamp module - Google Patents

Projection lamp module Download PDF

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Publication number
CN112146053A
CN112146053A CN201910564697.8A CN201910564697A CN112146053A CN 112146053 A CN112146053 A CN 112146053A CN 201910564697 A CN201910564697 A CN 201910564697A CN 112146053 A CN112146053 A CN 112146053A
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CN
China
Prior art keywords
led
circuit board
lens
module
lens module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910564697.8A
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Chinese (zh)
Inventor
黄佳佳
陈振欢
严帅
包国栋
曹凯
高翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Xingyu Automotive Lighting Systems Co Ltd
Original Assignee
Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Xingyu Automotive Lighting Systems Co Ltd filed Critical Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority to CN201910564697.8A priority Critical patent/CN112146053A/en
Publication of CN112146053A publication Critical patent/CN112146053A/en
Pending legal-status Critical Current

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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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • 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)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses a projection lamp module which comprises two LED lens modules, wherein the two LED lens modules are respectively a first LED lens module and a second LED lens module, the installation positions of the first LED lens module and the second LED lens module are mutually staggered, the first LED lens module is used for emitting a high beam type or a first low beam type, the second LED lens module is used for emitting a second low beam type, when a low beam command is emitted, the first LED lens module and the second LED lens module work simultaneously, and at the moment, low beam cut-off lines of the first low beam type and the second low beam type are superposed, so that the problem that the low beam type of a conventional two-module automobile headlamp is narrow is solved, and the low beam type can be widened.

Description

Projection lamp module
Technical Field
The invention belongs to the technical field of automobile lamps, and particularly relates to a projection lamp module.
Technical Field
The LED has the advantages of energy conservation, environmental protection, high luminous efficiency, good shock resistance, high lighting speed, small light decay, long service life, small volume and the like, thereby better meeting the development requirements of the automobile industry. In recent years, with the development of science and technology, the application range of the LED automobile headlamp is wider and wider, and the LED automobile headlamp is widely concerned in the industry from the field of signal indicator lamps to the field of illumination.
Along with LED car headlight's application, the customer is also more and more to the requirement of lens module, and in order to make whole car can have more molding probably, two modules of conventional size have been unable to satisfy the demand in market, and two modules of conventionality are distance light lens module and passing light lens module respectively simultaneously, when reaching commands such as passing light, passing light lens module work, and passing light type width is narrower this moment.
Disclosure of Invention
The invention provides a projection lamp module for solving the problem that the low beam shape width of a conventional two-module automobile headlamp is narrow, and the low beam shape can be widened.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a projection lamp module, includes two LED lens modules, two the LED lens module is first LED lens module and second LED lens module respectively, the mounted position of first LED lens module and second LED lens module is crisscross each other, first LED lens module is used for sending high beam light type or first low beam light type, second LED lens module is used for sending second low beam light type, and when sending the low beam command, first LED lens module and second LED lens module simultaneous working.
Further, first LED lens module includes first convex lens, first lens support, interior lamp shade, first LED circuit board, second LED circuit board, first speculum and first radiator, first convex lens joint is in the front end of first lens support, first LED circuit board and second LED circuit board are connected through the locating pin respectively first radiator, interior lamp shade passes through the locating pin and connects first LED circuit board, simultaneously interior lamp shade passes through the fix with screw the front end of first radiator, second LED circuit board is connected through the locating pin to first speculum, and first speculum passes through the fix with screw simultaneously the lower part of first radiator.
Further, interior lamp shade is the transparency, the income plain noodles of interior lamp shade sets up to funnel-shaped structure, the upper surface of funnel-shaped structure is provided with the dermatoglyph, and the upper surface of funnel-shaped structure is provided with the aluminium lamination.
Further, second LED lens module includes second convex lens, second lens support, the second mirror, third LED circuit board and second radiator, the second convex lens joint is in the front end of second lens support, second lens support and third LED circuit board pass through the locating pin and connect the second radiator, simultaneously second lens support passes through the fix with screw at second radiator front end, and the second mirror passes through the locating pin and connects the third LED circuit board, simultaneously the second mirror passes through the fix with screw the upper portion of second radiator.
Further, the second LED lens module further comprises a baffle plate, the baffle plate is a galvanized plate, the reflectivity of the baffle plate is greater than 60%, and the compensating light rays are provided for the second reflecting mirror and the second convex lens.
Further, the lower part of the first heat sink is provided with a first mounting plane and a second mounting plane, the first mounting plane is used for mounting the first LED circuit board, the second mounting plane is used for mounting the second LED circuit board, the first mounting plane and the second mounting plane are inclined downwards, and the first mounting plane and the second mounting plane respectively form angles alpha and beta with the horizontal plane.
Further, a third mounting plane is arranged on the upper portion of the second heat sink, the third mounting plane is used for mounting the third LED circuit board, the third mounting plane is inclined downwards, and an angle γ is formed between the third mounting plane and the horizontal plane.
Further, the first convex lens and the second convex lens are hyperboloids which are convex front and convex back.
Further, the reflecting surface of the first reflecting mirror comprises four continuous free-form surfaces, and the reflecting surface of the first reflecting mirror is provided with an aluminum layer; the reflecting surface of the second reflector comprises two continuous free-form surfaces, and the reflecting surface of the second reflector is provided with latticed dermatoglyphs and an aluminum layer.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the two LED lens modules are arranged, the first LED lens module is arranged to be a lens module integrating high beam and low beam, the second lens module is arranged to be a low beam module, the installation positions of the first LED lens module and the second LED lens module are mutually staggered, when a low beam command is issued, the first LED lens module and the second LED lens module work simultaneously, and at the moment, the low beam cut-off lines of the first LED lens module and the second LED lens module are superposed, so that the problem that the low beam of the conventional two-module automobile headlamp is narrow is solved, and the low beam of the conventional two-module automobile headlamp can be widened;
2. according to the invention, the inner lampshade is arranged in the first LED lens module, the inner lampshade is arranged to be a transparent piece, the light incoming surface of the inner lampshade is arranged to be a funnel-shaped structure, and the upper surface of the funnel-shaped structure is provided with the dermatoglyph and the aluminum layer, so that the inner lampshade can be used as a near-light condenser and can form a near-light cut-off line, the number of parts of the LED lens module is reduced, and the cost of the LED lens module is reduced;
3. the two LED lens modules provided by the invention have the external dimensions controlled within 110(L) x 65(W) x 70(H), so that the LED lens modules are more miniaturized and lightened, the possibility of more modeling is provided for the whole lamp, and the weight of the whole vehicle is lightened.
Drawings
Fig. 1 is a perspective view of a first LED lens module according to an embodiment of the invention;
fig. 2 is a perspective view of a second LED lens module according to an embodiment of the invention;
FIG. 3 is an exploded view of a first LED lens module according to an embodiment of the present invention;
FIG. 4 is an exploded view of a second LED lens module according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a first LED lens module according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a second LED lens module provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of a first mirror provided in an embodiment of the present invention;
FIG. 8 is a schematic view of a second mirror provided in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of a first convex lens provided by an embodiment of the present invention;
FIG. 10 is a schematic view of a second convex lens provided by an embodiment of the present invention;
FIG. 11 is a schematic view of an inner lamp cover provided in accordance with an embodiment of the present invention;
fig. 12 is a schematic view of a baffle provided by an embodiment of the present invention.
In the figure: a1-a first convex lens, A2-a first lens bracket, A3-an inner lampshade, A4-a first LED circuit board, A5-a second LED circuit board, A6-a first reflector, A7-a first radiator, A8-a first mounting plane, A9-a second mounting plane, A10-a first LED light source, A11-a first connector, A12-a second LED light source and A13-a second connector;
b1-a second convex lens, B2-a second lens bracket, B3-a second reflector, B4-a baffle, B5-a third LED circuit board, B6-a second heat radiator, B7-a third mounting plane, B10-a third LED light source and B11-a third connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a projection lamp module, which comprises two LED lens modules, as shown in fig. 1 and fig. 2, wherein the two LED lens modules are respectively a first LED lens module A and a second LED lens module B, the installation positions of the first LED lens module A and the second LED lens module B are staggered with each other, the first LED lens module A is used for realizing a high beam type or a low beam type, the second LED lens module B is used for realizing a low beam type, when a low beam command is issued, the first LED lens module A and the second LED lens module B work simultaneously, and at the moment, the low beam cut-off lines of the first LED lens module A and the second LED lens module B are superposed and the low beam type can be widened; when a high beam command is issued, only the first LED lens module A works.
As a specific example of the first LED lens module a of this embodiment, as shown in fig. 3, the first LED lens module a includes a first convex lens a1, a first lens support a2, an inner cover A3, a first LED circuit board A4, a second LED circuit board A5, a first reflector A6 and a first heat sink A7, specifically, the first convex lens a1 is clamped at the front end of the first lens support a2, the first lens support a2, the first LED circuit board A4 and the second LED circuit board A5 are respectively connected to the first heat sink A7 through positioning pins, the first heat sink A7 is used for dissipating heat generated when the first LED circuit board A4 and the second LED circuit board A5 operate, the first LED circuit board A4 is used for emitting high beam, the second LED circuit board A5 is used for emitting low beam, the inner cover A3 is connected to the first LED circuit board A4 through positioning pins, and the inner cover A3 is fixed to the front end of the heat sink A7, the first reflector a6 is connected to the second LED circuit board a5 by a positioning pin, and the first reflector a6 is fixed to the lower part of the first heat sink a7 by screws, in this embodiment, the near light is incident to the first convex lens a1 through the inner lampshade A3, and in this embodiment, the far light is reflected to the first convex lens a1 through the first reflector a 6.
Specifically, interior lamp shade A3 is the transparency, as shown in fig. 11, the income plain noodles of interior lamp shade A3 sets up to funnel-shaped structure, interior lamp shade A3 can regard as the low-beam light condenser promptly, also can form the low-beam cut-off line simultaneously, the upper surface of funnel-shaped structure is provided with the dermatoglyph, reflection path through dermatoglyph adjustment low-beam, the upper surface of funnel-shaped structure still is provided with the aluminium lamination, improve the reflectivity of low-beam through setting up the aluminium lamination, the part quantity of module has been reduced through lamp shade A3 in the while, the module cost is reduced.
Further, as shown in fig. 1 and 5, the first heat sink a7 is provided at a lower portion thereof with a first mounting plane A8 and a second mounting plane a9, the first mounting plane A8 is used for mounting the first LED circuit board a4, the second mounting plane a9 is used for mounting the second LED circuit board a5, as shown in fig. 5, the first mounting plane A8 and the second mounting plane a9 are inclined downward, and the first mounting plane A8 and the second mounting plane a9 are respectively at angles α and β to the horizontal plane, thereby effectively improving the optical utilization.
As a specific example of the second LED lens module B of this embodiment, as shown in fig. 4, the second LED lens module B includes a second convex lens B1, a second lens holder B2, a second reflector B3, a third LED circuit board B5 and a second heat sink B6, specifically, the second convex lens B1 is clipped at the front end of the second lens holder B2, the second lens holder B2 and the third LED circuit board B5 are connected to the second heat sink B7 by positioning pins, while the second lens holder B2 is fixed at the front end of the second heat sink B6 by screws, the second reflector B3 is connected to the third LED circuit board B5 by positioning pins, while the second reflector B3 is fixed at the upper part of the second heat sink B6 by screws, this embodiment emits a low beam through the third LED circuit board B5, and then the low beam is incident to the second convex lens B1 through the second reflector B3.
Further, as shown in fig. 4 and 6, the upper portion of the second heat sink B6 is provided with a third mounting plane B7, the third mounting plane B7 is used for mounting a third LED wiring board B5, the third mounting plane B7 is inclined downward, and the third mounting plane B7 forms an angle γ with the horizontal plane.
Further, as shown in fig. 4 and 12, the second LED lens module B further includes a baffle B4, the baffle B4 is a galvanized plate, the reflectivity of the baffle B4 is greater than 60%, and part of the light is compensated to the second reflecting mirror B3 and the second convex lens B1.
As a specific example of the first convex lens a1 and the second convex lens B1 of the present embodiment, as shown in fig. 9 and 10, the first convex lens a1 and the second convex lens B1 are hyperboloids that are convex front and convex back, improving the light efficiency of the first convex lens a1 and the second convex lens B1 while eliminating dispersion.
As a specific example of the first LED circuit board a4, the second LED circuit board A5, and the third circuit board B5 of this embodiment, as shown in fig. 3 and fig. 4, the first LED circuit board a4, the second LED circuit board A5, and the third circuit board B5 are all aluminum substrates, the first LED circuit board a4 includes a first LED light source a10 and a first connector a11, the second LED circuit board A5 includes a second LED light source a12 and a second connector a13, the third LED circuit board B5 includes a third LED light source B10 and a third connector B11, the first LED light source a10 is used for emitting high beam, the second LED light source a12 and the third LED light source B10 are used for emitting low beam, and the first connector a11, the second connector a13, and the third connector B11 are used for connecting with a power supply.
Further, heat conduction grease layers are arranged between the first LED circuit board A4 and the second LED circuit board A5 and the first radiator A7 respectively, heat conduction grease layers are arranged between the third LED circuit board B5 and the second radiator B6, and heat of the first LED circuit board A4, the second LED circuit board A5 and the third LED circuit board B5 is transferred to the second radiator B6 and the second radiator B6 respectively through the heat conduction grease layers, so that heat dissipation is better performed.
Further, as shown in fig. 5 and 6, the light pattern emitted by the first LED lens module a includes a high beam light pattern or a low beam light pattern, and a low beam cut-off line is formed when the first LED lens module a is turned on; the light type emitted by the second LED lens module B is a low-beam light type, and a low-beam cut-off line can be formed when the second LED lens module B is lightened; the first reflector a6 of the first LED lens module a is disposed under the first heat sink a7, and reflects the light of the second LED light source a12 from below to the upper portion of the first convex lens a1, thereby forming a high beam; the light emitted by the first LED light source a10 is collected by the inner lampshade A3 and then incident to the lower part of the first convex lens a1, so as to form a low beam; light emitted from the third LED light source B10 is reflected to below the second convex lens B1 by the second reflecting mirror B3 disposed above it, thereby forming a low beam; when the vehicle assigned the low beam command, when two modules were lighted simultaneously and used, first LED light source A10 and third LED light source B10 worked simultaneously, because first LED lens module A and second LED lens module B crisscross the installation each other to both low beam cut-off line superpose, consequently can increase the width of low beam.
As a specific example of the first reflector a6 and the second reflector B3 of the present embodiment, as shown in fig. 7, the reflecting surface of the first reflector a6 includes four continuous free-form curved surfaces, the reflecting surface of the first reflector a6 is provided with an aluminum layer, and the first reflector a6 is disposed at the lower portion of the first heat sink a7, so that the reflectivity of light can be effectively increased, and the high beam is reflected to the first convex lens a 1;
as shown in fig. 8, the reflective surface of the second mirror B3 includes two continuous free-form surfaces, the reflective surface of the second mirror B3 is provided with a mesh-like dermatoglyph and is provided with an aluminum layer, the optical path is changed by providing the mesh-like dermatoglyph, and the reflectivity of the second mirror B3 is increased by aluminum plating, thereby efficiently reflecting light to the second convex lens B1.
Furthermore, the overall dimensions of the LED lens module a and the LED lens module B provided in this embodiment are both controlled within 110(L) × 65(W) × 70(H) mm, while the overall dimensions of the conventional LED lens module are at least 160(L) × 110(W) × 100(H) mm, the present invention can be used as a low beam condenser by arranging the inner lampshade A3, and the reflection path of the low beam is adjusted by the dermatoglyph by arranging the dermatoglyph on the inner lampshade A3, and the inner lampshade A3 provided in the present invention reduces the number of components of the module, reduces the module cost, and in this embodiment, the LED lens module is more miniaturized and lighter in weight, provides more modeling possibilities for the whole lamp, and also reduces the weight of the whole vehicle.
The specific installation process of this embodiment:
after the first LED lens module a coats the heat conducting grease on the front end of the first heat sink a7, the first installation plane A8 and the second installation plane a9, the first LED circuit board a4 is preassembled through the positioning pin at the front end of the first heat sink a7, the first inner lampshade A3 is positioned with the first LED circuit board a4 through the positioning pin at the rear part, and then the first LED lens module a, the first LED circuit board a4 and the second LED lens module are fixed at the front end of the first heat sink a7 through screws; then the second LED circuit board A5 is pre-assembled by a positioning pin at the upper part of the first radiator A7, the first reflector A6 is pre-assembled with a hole of the second LED circuit board A5 by a self positioning pin, pressed on the second LED circuit board A5 and fixed at the lower part of the first radiator A7 by a screw; the first convex lens A1 and the first lens bracket A2 are assembled through a clamping pin in the first lens bracket A2 and fixed at the front end of the first lens bracket A2, and the first convex lens A1 is pre-positioned with the first radiator A7 through a positioning pin at the rear end of the first convex lens A1 and is fixed through screws;
the back rib at the rear part of the second convex lens B1 in the second LED lens module B is clamped at the front end of the second lens bracket B2, the second lens bracket B2 is positioned with the second heat sink B6 by the positioning pin at the upper part thereof and is fixed at the front end of the second heat sink B6 by screws, the baffle B4 is preassembled and fixed by screws by the positioning pin on the second heat sink B6, after the third mounting plane B7 on the second heat sink B6 is coated with heat conducting grease, the third LED circuit board B5 is preassembled by the positioning pin on the second heat sink B6, and then the second reflector B3 and the third LED circuit board B5 are preassembled by the positioning pin on the second reflector B3 and are fixed at the upper part of the rear end of the second heat sink B6 by screws.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a projection lamp module, its characterized in that, includes two LED lens modules, two the LED lens module is first LED lens module (A) and second LED lens module (B) respectively, the mounted position of first LED lens module (A) and second LED lens module (B) is crisscross each other, first LED lens module (A) is used for sending distance beam type or first passing through the light type, second LED lens module (B) is used for sending second passing through the light type, and when sending the passing through the light order, first LED lens module (A) and second LED lens module (B) simultaneous working.
2. The projection lamp module of claim 1, wherein the first LED lens module (A) comprises a first convex lens (A1), a first lens holder (A2), an inner lampshade (A3), a first LED circuit board (A4), a second LED circuit board (A5), a first reflector (A6) and a first heat sink (A7), the first convex lens (A1) is clamped at the front end of the first lens holder (A2), the first lens holder (A2), the first LED circuit board (A4) and the second LED circuit board (A5) are respectively connected with the first heat sink (A7) through positioning pins, the inner lampshade (A3) is connected with the first LED circuit board (A4) through positioning pins, and the inner lampshade (A3) is fixed at the front end of the first heat sink (A7) through screws, and the first reflector (A6) is connected with the second LED circuit board (A5) through positioning pins, while a first reflector (a6) is fixed to a lower portion of the first heat sink (a7) by screws.
3. The projection lamp module of claim 2, wherein the inner light cover (A3) is a transparent member, the light incident surface of the inner light cover (A3) is configured as a funnel-shaped structure, the upper surface of the funnel-shaped structure is provided with leather patterns, and the upper surface of the funnel-shaped structure is provided with an aluminum layer.
4. The projection lamp module of claim 2, wherein the second LED lens module (B) comprises a second convex lens (B1), a second lens holder (B2), a second reflector (B3), a third LED circuit board (B5) and a second heat sink (B6), the second convex lens (B1) is connected to the front end of the second lens holder (B2), the second lens holder (B2) and the third LED circuit board (B5) are connected to the second heat sink (B7) by positioning pins, the second lens holder (B2) is fixed to the front end of the second heat sink (B6) by screws, the second reflector (B3) is connected to the third LED circuit board (B5) by positioning pins, and the second reflector (B3) is fixed to the upper portion of the second heat sink (B6) by screws.
5. The projection lamp module of claim 4, wherein the second LED lens module (B) further comprises a baffle (B4), the baffle (B4) is a galvanized plate, the reflectivity of the baffle (B4) is greater than 60%, and the light is compensated for the second reflecting mirror (B3) and the second convex lens (B1).
6. The projection lamp module of claim 2, wherein the first heat sink (a7) is provided at a lower portion thereof with a first mounting plane (A8) and a second mounting plane (a9), the first mounting plane (A8) is used for mounting the first LED circuit board (a4), the second mounting plane (a9) is used for mounting the second LED circuit board (a5), the first mounting plane (A8) and the second mounting plane (a9) are inclined downward, and the first mounting plane (A8) and the second mounting plane (a9) are respectively at an angle α and β to a horizontal plane.
7. A projection lamp module as claimed in claim 5, characterized in that the upper part of the second heat sink (B6) is provided with a third mounting plane (B7), the third mounting plane (B7) is used for mounting the third LED circuit board (B5), the third mounting plane (B7) is inclined downwards, and the third mounting plane (B7) forms an angle γ with the horizontal plane.
8. The projection lamp module of claim 4, wherein the first convex lens (A1) and the second convex lens (B1) are hyperboloids that are convex front and convex back.
9. The projection lamp module of claim 5, wherein the reflective surface of the first reflector (A6) comprises four continuous free-form surfaces, the reflective surface of the first reflector (A6) being provided with a layer of aluminum; the reflective surface of the second mirror (B3) comprises two continuous free-form surfaces, the reflective surface of the second mirror (B3) being provided with a grid-like dermatoglyph and with an aluminium layer.
CN201910564697.8A 2019-06-27 2019-06-27 Projection lamp module Pending CN112146053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910564697.8A CN112146053A (en) 2019-06-27 2019-06-27 Projection lamp module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910564697.8A CN112146053A (en) 2019-06-27 2019-06-27 Projection lamp module

Publications (1)

Publication Number Publication Date
CN112146053A true CN112146053A (en) 2020-12-29

Family

ID=73868534

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910564697.8A Pending CN112146053A (en) 2019-06-27 2019-06-27 Projection lamp module

Country Status (1)

Country Link
CN (1) CN112146053A (en)

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