CN210267074U - Projection lamp module - Google Patents

Abstract

The utility model discloses a projection lamp module, including two LED lens modules, two 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 type or first dipped beam type, second LED lens module is used for sending second dipped beam type, and when sending the dipped beam order, first LED lens module and second LED lens module simultaneous working, the dipped beam cut-off stack of first dipped beam type and second dipped beam type this moment has solved the narrower problem of two conventional module car headlight dipped beam types, the utility model discloses can widen the dipped beam type.

Description

Projection lamp module

Technical Field

The utility model belongs to the technical field of the car lamps and lanterns, concretely relates to projection lamp module.

Background

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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the narrower problem of two module car headlight low beam light type widths of conventionality, provide a projection lamp module, can widen the low beam light type.

In order to solve the technical problem, the utility model discloses a technical scheme:

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 first heat sink lower portion is provided with a first mounting plane for mounting the first LED circuit board and a second mounting plane for mounting the second LED circuit board, the first and second mounting planes are inclined downward, and the first and second mounting planes are at angles α and β from a horizontal plane, respectively.

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 beneficial effects of the utility model are that:

1. the utility model discloses a set up two LED lens modules, set up first LED lens module into the integrative lens module of distance light and near light, set up the second lens module into the short-distance beam module, first LED lens module and second LED lens module installation position are crisscross each other, when the short-distance beam order was issued, first LED lens module and second LED lens module worked simultaneously, the short-distance beam cut-off line of first LED lens module and second LED lens module superposes this moment, solved the narrower problem of conventional two module car headlamps short-distance beam light type, the utility model discloses can widen the short-distance beam light type;

2. the utility model discloses a set up the inner lamp shade in first LED lens module, the inner lamp shade sets up to transparent, and the income plain noodles of inner lamp shade sets up to funnel-shaped structure, and the upper surface of funnel-shaped structure is provided with the dermatoglyph and is provided with the aluminium lamination, and the inner lamp shade can be regarded as the short-distance beam spotlight ware, also can form the short-distance beam and cut off the line simultaneously, has reduced the part quantity of LED lens module, has reduced LED lens module cost;

3. the utility model provides an overall dimension of two LED lens modules all controls within 110(L) x 65(W) x 70(H), makes LED lens module miniaturization and lightweight more, provides more figurative probably for whole lamp, has also alleviateed whole car weight simultaneously.

Drawings

Fig. 1 is a perspective view of a first LED lens module according to an embodiment of the present invention;

fig. 2 is a perspective view of a second LED lens module according to an embodiment of the present 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 according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a first reflector provided by an embodiment of the present invention;

figure 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 lampshade provided by an embodiment of the present invention;

fig. 12 is a schematic view of a baffle according to 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a projection lamp module, the projection lamp module that this embodiment provided includes two LED lens modules, as shown in fig. 1 and fig. 2, two LED lens modules are 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 realizing distance beam type or passing light type, second LED lens module B is used for realizing passing light type, when passing light order is issued, first LED lens module A and second LED lens module B work simultaneously, the passing light cut-off line of first LED lens module A and second LED lens module B superposes this moment, can widen the passing light type; 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 light, 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 angled α and β from 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.

Further, the overall dimension of the LED lens module A that this embodiment provided and LED lens module B all controls within 110(L) × 65(W) × 70(H) mm, and the overall dimension of current LED lens module is 160(L) × 110(W) × 100(H) mm at least, the utility model discloses a set up interior lamp shade A3 and can regard as the short-distance beam spotlight ware, set up the dermatoglyph through on interior lamp shade A3, through the reflection path of dermatoglyph adjustment short-distance beam, the utility model provides an interior lamp shade A3 has reduced the part quantity of module, has reduced the module cost, and this embodiment makes LED lens module miniaturization and lightweight more, provides more figurative probably for whole lamp, has also alleviateed whole car weight simultaneously.

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 (B6) 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. A projection lamp module according to 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 the 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.

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