CN217635393U - Take ultra-thin projection mirror module of ADB function - Google Patents

Abstract

The utility model discloses a take ultra-thin projection mirror module of ADB function, include: the luminous source comprises a first lamp group and a second lamp group which are arranged in parallel; the light guide comprises a first light guide and a second light guide, the first light guide and the second light guide are arranged in parallel, the first lamp group corresponds to the first light guide, and the second lamp group corresponds to the second light guide; and the lens is positioned on one side of the light guide far away from the light-emitting source and comprises a first light incident surface, a second light incident surface and a light emitting surface, wherein the first light incident surface, the second light incident surface and the light emitting surface are smooth curved surfaces protruding out of the lens, the first light incident surface and the second light incident surface are arranged in parallel, the first light incident surface corresponds to the first light guide, and the second light incident surface corresponds to the second light guide. The utility model discloses a throw mirror module, its optical element arranges and accords with long and thin structural feature, can satisfy the molding demand, and its light intensity can accord with the requirement of car light optics regulation simultaneously.

Description

Take ultra-thin projection mirror module of ADB function

Technical Field

The utility model relates to a car light technical field specifically is an ultra-thin projection mirror module of taking ADB function.

Background

With the development of the LED headlamp, in order to realize a cool appearance model, the headlamp is made to be slender, so that the appearance design of the projection lens module is compact, the influence on the size of the opening of the projection lens module is great, and the size of the opening of the projection lens module also develops towards the slender trend; however, most of the existing openings of the projection lens module are not suitable for the slim headlamps, and it is a problem that needs to be solved urgently in the industry to achieve the slim appearance effect of the lens opening, the maximum light point (HV point) of the high beam and the luminous intensity to meet the optical regulations of the car lamp, and to include other functions.

Based on the foregoing, the utility model discloses a take ultra-thin projection mirror module of ADB function for solve existing defect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take ultra-thin projection mirror module of ADB function to solve the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a take ultra-thin projection mirror module of ADB function includes: the luminous source comprises a first lamp group and a second lamp group which are arranged in parallel; the light guide comprises a first light guide and a second light guide, the first light guide and the second light guide are arranged in parallel, the first lamp group corresponds to the first light guide, and the second lamp group corresponds to the second light guide; the lens is positioned on one side of the light guide away from the light-emitting source and comprises a first light incident surface, a second light incident surface and a light emitting surface, wherein the first light incident surface, the second light incident surface and the light emitting surface are smooth curved surfaces protruding out of the lens, the first light incident surface and the second light incident surface are arranged in parallel, the first light incident surface corresponds to the first light guide, and the second light incident surface corresponds to the second light guide; the light path emitted from the light-emitting surface of the first lamp set is staggered with the light path emitted from the light-emitting surface of the second lamp set.

Preferably, an ultra-thin projection mirror module of taking ADB function still includes: the light path area is an area between the light guide and the lens and is used for transmitting the light path emitted by the light guide; and the partition plate is positioned in the light path area and is used for separating the light path which is emitted out of the first light guide from the light path which is emitted out of the second light guide.

Preferably, the first lamp group comprises at least 6 LED lamps A, and the second lamp group also comprises at least 6 LED lamps B; the light path emitted by the LED lamp A and the light path emitted by the LED lamp B are staggered at intervals; the light path emitted by at least one LED lamp A in the plurality of LED lamps A irradiates on the HV point, the luminous flux of the LED lamp A is the highest, and the luminous fluxes of the other LED lamps A are sequentially decreased; the light path emitted by at least one LED lamp B in the plurality of LED lamps B irradiates on the HV point, the luminous flux of the LED lamp B is the highest, and the luminous fluxes of the other LED lamps B are decreased in sequence.

Preferably, an ultra-thin projection mirror module of taking ADB function still includes: the lamp panel is positioned at one end of the luminous source, which is far away from the light guide, is used for installing the luminous source and the circuit, and is connected with the light guide; the radiator is positioned at one end of the lamp panel, which is far away from the luminous source, is connected with the lamp panel and is used for radiating heat of the lamp panel; and/or, the module support, both ends of the module support are connected with light guide, radiator separately, seal the inside of light source, light guide, baffle, lamp plate, and the baffle is connected to the inside of the module support; and/or the decorative ring is sleeved at one end, close to the lens, of the module bracket.

Preferably, the partition board is of a sheet structure and comprises a hanging lug, and the hanging lug is positioned at one end part of the sheet structure; the module bracket is of a square tubular structure and comprises a first limiting groove and an avoidance groove, wherein the first limiting groove is positioned in the square tubular structure, and the avoidance groove is positioned at the end part of the square tubular structure and corresponds to the hanging lug; one end of the sheet structure extends into the first limiting groove, and the hanging lug is positioned in the avoiding groove and connected with the avoiding groove through a screw.

Preferably, the lens further comprises a plurality of second limiting grooves, the module bracket further comprises a plurality of limiting protrusions, and the plurality of second limiting grooves correspond to the plurality of limiting protrusions one to one; the lens also comprises an annular step, the decoration ring comprises an annular flange, and the annular flange is hung on the annular step; the module support is characterized by further comprising a plurality of elastic arms and a plurality of hanging holes, the elastic arms are in one-to-one correspondence with the hanging holes, and the elastic arms are abutted to the hanging holes to generate pretightening force on the decorative ring.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a take ultra-thin projection mirror module of ADB function, all design the income plain noodles of light emitting source, light guide, lens for two sets of side by side for arranging of optical element accords with its long and thin structural feature, can satisfy the molding demand, makes the light path that two sets of LED banks jetted out simultaneously can produce crisscross light shadow on the plane of projection and arrange, and the illumination intensity on the plane of projection has produced superimposed effect in other words, and its light intensity can accord with the requirement of car light optics law.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of an ultra-thin projection lens module with ADB function according to an embodiment of the present invention;

fig. 2 is an exploded view of an ultra-thin projection lens module with ADB function according to an embodiment of the present invention;

FIG. 3 is a perspective view of a module support and a partition in an embodiment of the present invention;

in the figure:

the LED lamp comprises a light emitting source 1, a first lamp group 11, an LED lamp A111, a second lamp group 12 and an LED lamp B121;

light guide 2, first light guide 21, second light guide 22;

the lens 3, the first light incident surface 31, the second light incident surface 32, the light emergent surface 33, the second limiting groove 34 and the annular step 35;

an optical path region 4;

a partition board 5, a hanging lug 51;

a lamp panel 6;

a heat sink 7;

the module bracket 8, a first limit groove 81, an avoidance groove 82, a limit bulge 83 and an elastic arm 84;

a decorative ring 9, an annular flange 91 and a hanging hole 92.

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.

In the automotive lamp industry, in order to achieve a cool lighting effect, the appearance of the headlamp is gradually developed to a slender structure, which results in that the opening of the projection lens module also needs to be developed to a slender structure, namely, the shape of the lens is also slender, so that the space inside the projection lens module is compact; in this case, it is difficult to arrange sufficient LED lamps in the projection lens module to meet the optical regulations of the vehicle lamp, and at the same time, since the outer shape is narrowed, less light passes through the lens, and the brightness of the high beam is difficult to be secured.

Based on the foregoing, the present application provides an embodiment, specifically an ultra-thin projection lens module with ADB function, for solving the defects existing in the prior art.

Specifically, as shown in fig. 1-2, the projection lens module is used for a high beam and includes a light source 1, wherein the light source 1 includes a first lamp set 11 and a second lamp set 12, and the first lamp set 11 and the second lamp set 12 are arranged in parallel and used for providing light; the LED lamp further comprises a light guide 2, wherein the light guide 2 comprises a first light guide 21 and a second light guide 22, the first light guide 21 and the second light guide 22 are arranged in parallel, the first lamp set 11 corresponds to the first light guide 21, and the second lamp set 12 corresponds to the second light guide 22 and is used for guiding the trend of the light guide; the lens 3 is positioned on one side of the light guide 2 away from the light emitting source 1, and comprises a first light incident surface 31, a second light incident surface 32 and a light emitting surface 33, wherein the first light incident surface 31, the second light incident surface 32 and the light emitting surface 33 are smooth curved surfaces protruding out of the lens 3, the first light incident surface 31 and the second light incident surface 32 are arranged in parallel, the first light incident surface 31 corresponds to the first light guide 21, and the second light incident surface 32 corresponds to the second light guide 22, and is used for emitting light out of the projection lens module to realize illumination; therefore, the arrangement of the optical parts in the projection lens module accords with the slender structural characteristics of the projection lens module, and the modeling requirement can be met;

the specific light path trend in the projection lens module is as follows: the light path emitted by the first lamp set 11 is guided by the first light guide 21, enters the lens 3 through the first light incident surface 31, is refracted by the lens, and is emitted through the light emitting surface 33, the light path emitted by the second lamp set 12 is guided by the second light guide 22, enters the lens 3 through the second light incident surface 32, is refracted by the lens, and is emitted through the light emitting surface 33, wherein the light path emitted by the first lamp set 11 through the light emitting surface 33 and the light path emitted by the second lamp set 12 through the light emitting surface 33 generate staggered light and shadow arrangement on the projection surface, so that the illumination intensity on the projection surface is equivalent to generate a superimposed effect, and the light intensity can meet the requirements of the optical regulations of the vehicle lamp.

Further, in order to prevent the light path emitted by the first lamp set 11 and the light path emitted by the second lamp set 12 from affecting each other, and generating stray light, and further affecting the subsequent light emitting effect, as shown in fig. 2, the projection lens module further includes a light path area 4, where the light path area 4 is an area between the light guide 2 and the lens 3, and is used for transmitting the light path emitted through the light guide 2; and the baffle plate 5 is positioned in the light path area 4, and is used for separating the light path of the first light guide 21 from the light path of the second light guide 22 so as to avoid generating stray light influence.

Further, in order to meet the requirements of the optical regulations of the vehicle lamp, as shown in fig. 2, the first lamp set 11 includes at least 6 LED lamps a111, and the second lamp set 12 also includes at least 6 LED lamps B121; the light paths emitted by the LED lamps A111 and the light paths emitted by the LED lamps B121 generate light shadows on the projection surface at intervals, and the distance between the light-emitting surface 33 and the projection surface is 50 meters in the field of vehicle lamps; in the present embodiment, the first lamp group 11 is preferably 6 LED lamps a111, and the second lamp group 12 is preferably 6 LED lamps B121.

Further, in order to further meet the requirements of the optical regulations of the vehicle lamp and realize the ADB function, a light path emitted by at least one LED lamp a111 in the plurality of LED lamps a111 irradiates on the HV point, the luminous flux of the LED lamp a111 is the highest, and the luminous fluxes of the remaining LED lamps a111 are sequentially decreased; the light path emitted by at least one LED lamp B121 in the plurality of LED lamps B121 irradiates on the HV point, the luminous flux of the LED lamp B121 is the highest, the luminous fluxes of the other LED lamps B121 are sequentially decreased, and the HV point is the brightest point on the projection surface; when a vehicle runs on the road, if the opposite vehicle comes, the high beam lamps at the corresponding positions can be turned off, and the rest LED lamps continue to keep bright light, so that the high beam lamps do not directly irradiate the opposite vehicle, the opposite vehicle can not feel dazzling of the high beam lamps at the opposite side, and the illumination requirements can be met through the rest LED lamps;

in this embodiment, as shown in table 1, preferably, the first lamp set 11 is disposed on the left side of the second lamp set 12, the 6 LED lamps a111 and the 6 LED lamps B121 are sequentially arranged from left to right, counted from left to right, the fifth LED lamp a111 emits 100% of light intensity, the light intensity of the remaining LED lamps a111 decreases in sequence by 10% each time, meanwhile, the fourth and fifth LED lamps B121 emit 100% of light intensity, and the light intensity of the remaining LED lamps B121 decreases in sequence by 10% each time;

TABLE 1

When the light path is projected onto the projection surface, the projection formed by the fifth LED lamp a111 and the projection formed by the fourth and fifth LED lamps B121 are arranged adjacently, where the maximum illumination intensity is formed.

Further, as shown in fig. 2, the projection lens module further includes a lamp panel 6, where the lamp panel 6 is located at an end of the light emitting source 1 away from the light guide 2, is used for installing the light emitting source 1 and a circuit, controlling the light emitting source 1, and is connected to the light guide 2; the LED lamp also comprises a radiator 7, wherein the radiator 7 is positioned at one end of the lamp panel 6, which is far away from the light-emitting source 1, and is connected with the lamp panel 6 for radiating heat for the lamp panel 6, in this embodiment, the radiator 7 preferably uses a cold forging (needle-shaped or S-shaped) process, and uses Al1070 as a material; the LED lamp module further comprises a module support 8, wherein the module support 8 is of a square cylindrical structure, two ends of the module support 8 are respectively connected with the light guide 2 and the radiator 7, the light source 1, the light guide 2, the partition plate 5 and the lamp panel 6 are sealed in the module support, and the partition plate 5 is connected in the module support 8 and used for protecting optical parts and avoiding the propagation of a light path from being influenced by the outside; the lens module further comprises a decoration ring 9, wherein the decoration ring 9 is also of a square tubular structure and is sleeved at one end, close to the lens 3, of the module support 8 to beautify the appearance of the lens 3.

Further, the lamp panel 6 and the light guide 2 are locked to the heat sink 7 by screws, and one end of the module bracket 8 is also locked to the heat sink 7 by screws.

Further, as shown in fig. 2 to 3, the connection mode between the partition board 5 and the module bracket 8 is as follows: the partition board 5 is of a sheet structure and comprises two hanging lugs 51, wherein the hanging lugs 51 are positioned at one end part of the sheet structure, and the two hanging lugs 51 are respectively positioned at the upper side and the lower side of the end part of the sheet structure; the module bracket 8 comprises a first limiting groove 81, the first limiting groove 81 is positioned in the square cylindrical structure, and the module bracket also comprises an avoiding groove 82, and the avoiding groove 82 is positioned at the end part of the square cylindrical structure and corresponds to the hanging lug 51; wherein one end of the sheet structure extends into the first limiting groove 81 for limiting the clapboard 5, and the hanging lug 51 is positioned in the avoiding groove 82 and is connected with the avoiding groove 82 through a screw.

Further, as shown in fig. 2, the connection mode among the lens 3, the module bracket 8, and the bezel 9 is as follows: the lens 3 further comprises a plurality of second limiting grooves 34, the module bracket 8 further comprises a plurality of limiting protrusions 83, and the plurality of second limiting grooves 34 correspond to the plurality of limiting protrusions 83 one by one; the lens 3 also comprises an annular step 35, the decoration ring 9 comprises an annular flange 91, and the annular flange 91 is hung on the annular step 35; the module support 8 further comprises a plurality of elastic arms 84, the decorative ring 9 further comprises a plurality of hanging holes 92, the elastic arms 84 correspond to the hanging holes 92 one by one, and the elastic arms 84 abut against the hanging holes 92 to generate pretightening force on the decorative ring 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a take ultra-thin projection mirror module of ADB function which characterized in that includes:

the luminous source comprises a first lamp group and a second lamp group which are arranged in parallel;

the light guide comprises a first light guide and a second light guide, the first light guide and the second light guide are arranged in parallel, the first lamp group corresponds to the first light guide, and the second lamp group corresponds to the second light guide;

the lens is positioned on one side of the light guide, which is far away from the light emitting source, and comprises a first light incoming surface, a second light incoming surface and a light outgoing surface, wherein the first light incoming surface, the second light incoming surface and the light outgoing surface are smooth curved surfaces protruding out of the lens, and the first light incoming surface and the second light incoming surface are arranged in parallel, wherein the first light incoming surface corresponds to the first light guide, and the second light incoming surface corresponds to the second light guide;

the light path emitted by the first lamp set through the light emitting surface and the light path emitted by the second lamp set through the light emitting surface are staggered.

2. The ultra-thin projection mirror module with ADB function as claimed in claim 1, further comprising:

a light path region, which is a region between the light guide and the lens, for transferring a light path emitted through the light guide;

and the clapboard is positioned in the light path area and is used for separating the light path which is emitted out of the first light guide from the light path which is emitted out of the second light guide.

3. The ultra-thin projection mirror module with ADB function as claimed in claim 2, wherein:

the first lamp group comprises at least 6 LED lamps A, and the second lamp group also comprises at least 6 LED lamps B; the light path emitted by the LED lamp A and the light path emitted by the LED lamp B are staggered at intervals;

the light path emitted by at least one LED lamp A in the plurality of LED lamps A irradiates on the HV point, the luminous flux of the LED lamp A is the highest, and the luminous fluxes of the other LED lamps A are sequentially decreased;

the light path emitted by at least one LED lamp B in the plurality of LED lamps B irradiates on the HV point, the luminous flux of the LED lamp B is the highest, and the luminous fluxes of the other LED lamps B are sequentially decreased.

4. The ultra-thin projection lens module with ADB function as claimed in claim 2 or 3, further comprising:

the lamp panel is positioned at one end of the luminous source, which is far away from the light guide, is used for installing the luminous source and a circuit, and is connected with the light guide;

and/or the radiator is positioned at one end of the lamp panel, which is far away from the luminous source, is connected with the lamp panel and is used for radiating the lamp panel;

and/or, the module support, both ends of the module support are connected with said light guide, said radiator separately, seal said light source, said light guide, said baffle, said lamp panel in their inside, and the said baffle is connected to the inside of the said module support;

and/or the decorative ring is sleeved on one end, close to the lens, of the module support.

5. The ultra-thin projection mirror module with ADB function as claimed in claim 4, wherein:

the partition board is of a sheet structure and comprises a hanging lug, and the hanging lug is positioned at one end part of the sheet structure;

the module bracket is of a square tubular structure and comprises a first limiting groove and an avoidance groove, wherein the first limiting groove is positioned in the square tubular structure, and the avoidance groove is positioned at the end part of the square tubular structure and corresponds to the hanging lug;

one end of the sheet structure extends into the first limiting groove, and the hanging lug is located in the avoiding groove and connected with the avoiding groove through a screw.

6. The ultra-thin projection mirror module with ADB function as claimed in claim 4, wherein:

the lens also comprises a plurality of second limiting grooves, the module bracket also comprises a plurality of limiting bulges, and the plurality of second limiting grooves correspond to the plurality of limiting bulges one to one;

the lens also comprises an annular step, the decorative ring comprises an annular flange, and the annular flange is hung on the annular step;

the module support further comprises a plurality of elastic arms, the decoration ring further comprises a plurality of hanging holes, the elastic arms correspond to the hanging holes one to one, and the elastic arms are abutted against the hanging holes to generate pretightening force on the decoration ring.

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