CN218037549U - Small mirror module of modular display platform - Google Patents
Small mirror module of modular display platform Download PDFInfo
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- CN218037549U CN218037549U CN202222609922.5U CN202222609922U CN218037549U CN 218037549 U CN218037549 U CN 218037549U CN 202222609922 U CN202222609922 U CN 202222609922U CN 218037549 U CN218037549 U CN 218037549U
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Abstract
The utility model provides a modularization display platform's little mirror module is through arranging little mirror, well mirror and diffusion piece in the casing of little mirror module with certain specific mode, throws to with first horizontal inclination from the light source hole on the little mirror, and pass through little mirror reflects extremely with second vertical inclination on the well mirror, again by well mirror reflects light and passes follow behind the diffusion piece the opening rear side of casing jets out. The light is reflected or refracted for three times through the small mirror, the middle mirror and the diffusion sheet to form the oblique light path, the light path can be limited in a narrow space, the size of the small mirror module is reduced, the space size of the small mirror module is small, the spread angle is large, and the field angle is convenient to expand.
Description
Technical Field
The utility model relates to an optical display equipment, especially a little mirror module independent setting and support and casing adopt almag, adopt oblique folding formula light path simultaneously for the good and high and big little mirror module of angle of exhibition of installation accuracy of heat dissipation.
Background
With the rapid development of the automobile industry, the technology of driving assistance is also changing day by day, wherein the technology comprises the gradually introduced HUD head-up display technology, and the head-up display mainly aims at ensuring safe and stable driving of a driver, so that the driver can see relevant driving information without lowering the head, and more energy can be put on observing the road condition right ahead; meanwhile, visual fatigue caused by frequent switching of sight lines when a driver observes the conditions of a far road and closely checks navigation and vehicle information can be reduced; meanwhile, for car owners who often use mobile phone navigation software, the head-up display with complete functions and reliable quality can display navigation information more intuitively, so that the driving safety is improved.
At present, HUD new line display technique is still in the development, and the light path of new line display's little mirror module mainly is the stack formula, forms by the sub-light path combination in a plurality of different spaces promptly for this kind of little mirror module space is bulky, the exhibition angle is little, the field angle extension of being not convenient for.
Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a modularization display platform's little mirror module, this little mirror module can independent setting, adopts oblique folding formula light path for little mirror module is small, the angle of exhibition is big.
The technical scheme of the utility model as follows:
a small mirror module for a modular display platform, comprising:
the light source module comprises a shell, a light source module and a light source module, wherein the shell is provided with a bottom wall, and a front side wall, a rear side wall, a left side wall and a right side wall which are arranged on the periphery of the bottom wall, and the right side wall is provided with a light source hole for connecting the light source module;
a middle mirror disposed on the bottom wall and disposed toward the front sidewall at a first vertical inclination angle;
a small mirror disposed on the left side wall, facing the bottom wall at a first horizontal inclination angle, and facing the rear side wall at a second vertical inclination angle;
the diffusion sheet is arranged on a reflection light path of the middle mirror, and forms an included angle with the middle mirror;
light rays emitted by the light source module are projected onto the small mirror from the light source hole at a first horizontal inclination angle, are reflected onto the middle mirror through the small mirror at a second vertical inclination angle, are reflected by the middle mirror, pass through the diffusion sheet and then are emitted out from the rear side of the opening of the shell.
Optionally, the bottom wall has a first inclined wall disposed towards the front side wall at a first vertical inclination angle, which has a middle mirror mounting surface to which the middle mirror is attached.
Optionally, the left side wall has a second sloped wall disposed at a second vertical slope angle towards the rear side wall.
Optionally, the second inclined wall is provided with a lens support, the lens support has a small mirror installation surface, a first horizontal inclination of the small mirror installation surface points to the bottom wall, and the small mirror is attached to the small mirror installation surface.
Optionally, the middle mirror and the small mirror are attached to the middle mirror mounting surface and the small mirror mounting surface by adhesive.
Optionally, the small mirror mounting surface and the medium mirror mounting surface are respectively provided with a small groove structure for fixing the small mirror and the medium mirror.
Optionally, through hole grooves are formed in the positions, close to the small groove structures, of the small mirror mounting surface and the middle mirror mounting surface.
Optionally, the adhesive is a UV adhesive.
Optionally, the housing is made of magnesium aluminum alloy.
Optionally, the middle mirror and the small mirror are both limited by point contact.
The beneficial effects of the utility model reside in that:
(1) The utility model provides a modularization display platform's little mirror module is through arranging little mirror, well mirror and diffusion piece in the casing of little mirror module with certain specific mode, throws with first horizontal inclination from the light source hole to on the little mirror, and pass through little mirror reflects extremely with second vertical inclination on the well mirror, again by well mirror reflects light and passes follow behind the diffusion piece the opening rear side of casing jets out. The light is reflected or refracted for three times through the small mirror, the middle mirror and the diffusion sheet to form the oblique light path, the light path can be limited in a narrow space, the size of the small mirror module is reduced, the space size of the small mirror module is small, the spread angle is large, and the field angle is convenient to expand.
(2) The utility model provides a modularization display platform's little mirror module, little mirror and well mirror setting are on the lateral wall and the diapire of casing, no matter be the light that throws out from light source module on little mirror and well mirror and the heat that produces, still outside reflection on little mirror and well mirror and the heat that produces, can both directly conduct to the casing on, dispel the heat fast through the casing.
Drawings
Fig. 1 is the utility model discloses a split picture of little mirror module of modularization display platform.
Fig. 2 is a light path diagram of the small mirror module of the modular display platform of the present invention.
Fig. 3 is an assembly diagram of the small mirror module of the modular display platform of the present invention.
Fig. 4 is a top view of the small mirror module of the modular display platform of the present invention.
Fig. 5 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A in fig. 4.
Fig. 6 is a sectional view taken along line B-B in fig. 4.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, the utility model provides a modularization display platform's little mirror module, modularization display platform are on-vehicle new line display HUD, and little mirror module is an independent module, and little mirror module is connected with light source module 20 for receive the light that light source module 20 transmitted and come, and throw the virtual image that can observe in order to form the driver to the windscreen before handling the light. The small mirror module of the present embodiment specifically includes a housing 11, a small mirror 12, a middle mirror 13, and a diffusion sheet 14.
The housing 11 has a bottom wall 111, and a front side wall 112, a rear side wall 113, a left side wall 114, and a right side wall 115 disposed around the bottom wall 111, the right side wall 115 is provided with a light source hole 115a for connecting the light source module 20, and the light source hole 115a is further provided with a dust ring.
The middle mirror 13 is disposed on the bottom wall 111 and is disposed toward the front side wall 112 at a first vertical inclination angle.
The small mirror 12 is provided on the left side wall 114, opposite to the light source hole 115 a. Also, the small mirror 12 is disposed toward the bottom wall 111 at a first horizontal inclination angle and toward the rear side wall 113 at a second vertical inclination angle. Thus, the light projected from the light source hole 115a can be projected onto the small mirror 12 at the first horizontal tilt angle and reflected onto the middle mirror 13 at the second vertical tilt angle by the small mirror 12.
The diffusion sheet 14 is disposed on the reflected light path of the middle mirror 13 and forms an angle with the middle mirror 13. Specifically, the diffusion sheet 14 is disposed on a diffusion sheet holder 16, the diffusion sheet holder 16 is disposed at an angle to the middle mirror 13, and the bottom end thereof is connected to the bottom wall 111, so that the diffusion sheet 14 is disposed in the housing 11 in a manner facing the middle mirror 13, and thus the light reflected by the middle mirror 13 needs to pass through the diffusion sheet 14 before being emitted from the open rear side of the housing 11.
The small mirror 12, the middle mirror 13 and the diffusion sheet 14 are arranged in the shell 11 of the small mirror module in the mode, after light emitted by the light source module 20 enters the small mirror module from the light source hole 115a, the light is reflected or refracted three times through the small mirror 12, the middle mirror 13 and the diffusion sheet 14 to form an oblique refraction type light path, according to the principle of independent propagation of the light, the light is repeatedly reflected or refracted in a narrow space of the shell 11, the light is mutually staggered and does not interfere with each other, and the propagation space of the light can be greatly reduced.
In the present embodiment, an end of the bottom wall 111 connected to the rear side wall 113 is disposed near the opening of the housing 11 to form a first inclined wall 111a on the bottom wall 111 toward the front side wall 112, and to make the first inclined wall 111a form a first vertical inclination angle with a vertical plane on which the bottom wall 111 is disposed. The first inclined wall 111a is provided with a middle mirror mounting surface, and the middle mirror 13 can be directly arranged on the middle mirror mounting surface during assembly, namely, the light reflected by the small mirror 12 can be reflected on the diffusion sheet 14.
In the present embodiment, an end of the left sidewall 114 connected to the front sidewall 112 is disposed near the right sidewall 115 to form a second inclined wall 114a disposed toward the rear sidewall 113 on the left sidewall 114, and to make the second inclined wall 114a form a second vertical inclination angle with a vertical plane on which the left sidewall 114 is disposed. Meanwhile, a lens holder 15 is provided on the second inclined wall 114a, a small mirror mounting surface 15a is provided on a side of the lens holder 15 facing the light source hole 115a, the small mirror mounting surface 15a is provided at a first horizontal tilt angle toward the bottom wall 111, and the small mirror 12 is attached to the small mirror mounting surface 15a. Thus, the light projected from the light source hole 115a can be projected onto the small mirror 12 at the first horizontal inclination angle and reflected onto the middle mirror 13 at the second vertical inclination angle by the small mirror 12.
In the present embodiment, the middle mirror 13 and the small mirror 12 are attached to the middle mirror attachment surface and the small mirror attachment surface 15a with adhesive.
Preferably, a small groove structure (15 b, 111 b) for fixing the small mirror 12 and the medium mirror 13 is provided on the small mirror mounting surface 15a and the medium mirror mounting surface, respectively.
The lens of current little mirror module is installed and is adopted the rubber coating mode, but most glue has heavier smell nature, and some viscosity is too big not good operation, and some solidification difficulty, some bubble that produces split glue, wire drawing, the tailing, empty phenomenon such as beating, spread easily in addition and glue the unevenness and produce the flatness error, and then lead to the mirror plane degree error, finally lead to the figure distortion.
In the embodiment, the small groove structures (15 b and 111 b) for adding glue are respectively arranged on the small mirror mounting surface 15a and the middle mirror mounting surface, the glue is added into the small groove structures (15 b and 111 b) to be easily and uniformly distributed on a gluing plane, and the problem that flatness errors caused by uneven glue spreading cause heating mirror flatness errors can be solved.
Further, a through hole groove 15c is provided at a position of the small mirror mounting surface 15a adjacent to the small groove structure 15b, and another through hole groove (not shown) is provided at a position of the medium mirror mounting surface adjacent to the small groove structure 111b, thereby enabling the UV lamp to quickly cure the glue from the back when the UV glue is used as the glue, and facilitating the curing of the glue. Meanwhile, the UV glue is adopted, so that the surface drying and deep curing of the lens are fast, the shrinkage rate is low, the strength is high, and the performance is stable, thereby meeting the high performance requirement of the automobile gauge product.
In the present embodiment, the housing 11, the lens holder 15, and the diffusion sheet holder 16 are made of magnesium aluminum alloy. The light energy projected from the light source module 20 is released on the small mirror 12, the small mirror 12 transfers heat to the lens support 15, then the lens support 15 transfers heat to the housing 11, and the heat is radiated outwards from the housing 11, meanwhile, according to the principle that light rays are reversible, sunlight which is reflected from the outside and passes through the diffusion sheet 14 irradiates on the middle mirror 13 and the small mirror 12, and similarly, the middle mirror 13 and the small mirror 12 can transfer heat to the housing 11 through the lens support 15, and the heat is radiated outwards from the housing 11.
In the present embodiment, the middle mirror 13 is limited by point contact with the housing 11.
Compared with the prior art, the utility model provides a modularization display platform's little mirror module, its beneficial effect has:
1. the small mirror modules are independently arranged, and the shell 11 and the lens support 15 of the small mirror modules are made of aluminum magnesium alloy, so that the aluminum magnesium alloy has the characteristics of high strength, low density and high heat dissipation, and can meet the requirements of high strength, low density and good heat dissipation of a vehicle-mounted head-up display, and the small mirror modules can dissipate heat well;
2. the space is fully utilized, the cost is saved, the bottom wall 111 of the shell 11 is used as a support of the middle mirror 13, and the limit connected with the middle mirror 13 adopts a point contact mode, so that the processing time and the cost are saved, and the assembly links are reduced;
3. the optical path is limited in a narrow space by adopting the oblique-folding type optical path, so that the size of the HUD is greatly reduced, and the small mirror module is small in space volume, large in spread angle and convenient for field angle expansion.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A small mirror module for a modular display platform, comprising:
the light source module comprises a shell, a light source module and a light source module, wherein the shell is provided with a bottom wall, and a front side wall, a rear side wall, a left side wall and a right side wall which are arranged on the periphery of the bottom wall, and the right side wall is provided with a light source hole for connecting the light source module;
a middle mirror disposed on the bottom wall and disposed toward the front sidewall at a first vertical inclination angle;
a small mirror disposed on the left side wall, disposed toward the bottom wall at a first horizontal inclination angle, and disposed toward the rear side wall at a second vertical inclination angle;
the diffusion sheet is arranged on a reflection light path of the middle mirror, and an included angle is formed between the diffusion sheet and the middle mirror;
light rays emitted by the light source module are projected onto the small mirror from the light source hole at a first horizontal inclination angle, the small mirror reflects the light rays onto the middle mirror at a second vertical inclination angle, and the light rays are reflected by the middle mirror, penetrate through the diffusion sheet and then are emitted out from the rear side of the opening of the shell.
2. The small mirror module of modular display platform in accordance with claim 1, wherein said bottom wall has a first sloped wall disposed at a first vertical slope angle towards a front sidewall having a middle mirror mounting surface, said middle mirror being attached to said middle mirror mounting surface.
3. The small mirror module of a modular display platform according to claim 2, wherein the left side wall has a second slanted wall disposed towards the rear side wall at a second vertical tilt angle.
4. The micromirror module of modular display platform as claimed in claim 3, wherein the second slanted wall is provided with a lens holder having a micromirror mounting surface, the first horizontal tilt angle of the micromirror mounting surface being arranged towards the bottom wall, the micromirror being attached to the micromirror mounting surface.
5. The small mirror module of a modular display platform according to claim 4, wherein the middle mirror and the small mirror are attached to the middle mirror mounting surface and the small mirror mounting surface by an adhesive.
6. The small mirror module of a modular display platform according to claim 5, wherein the small mirror mounting surface and the middle mirror mounting surface are respectively provided with a small groove structure for fixing the small mirror and the middle mirror.
7. The small mirror module of a modular display platform according to claim 5, wherein the small mirror mounting surface and the middle mirror mounting surface are provided with through hole slots at positions close to the small slot structures.
8. The small mirror module of a modular display platform in accordance with claim 5, wherein the adhesive is UV adhesive.
9. The small mirror module of a modular display platform in accordance with any of claims 1-8, wherein the housing is made of magnesium aluminum alloy.
10. The small mirror module of modular display platform as claimed in claim 1, wherein the middle mirror and the small mirror are both limited by point contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222609922.5U CN218037549U (en) | 2022-09-30 | 2022-09-30 | Small mirror module of modular display platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222609922.5U CN218037549U (en) | 2022-09-30 | 2022-09-30 | Small mirror module of modular display platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218037549U true CN218037549U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222609922.5U Active CN218037549U (en) | 2022-09-30 | 2022-09-30 | Small mirror module of modular display platform |
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| Country | Link |
|---|---|
| CN (1) | CN218037549U (en) |
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2022
- 2022-09-30 CN CN202222609922.5U patent/CN218037549U/en active Active
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