CN215706001U

CN215706001U - Electronic rearview mirror

Info

Publication number: CN215706001U
Application number: CN202121301416.9U
Authority: CN
Inventors: 余芳蓉; 陈炳华; 刘敬
Original assignee: Hangzhou Turam Technology Co ltd
Current assignee: Hangzhou Turam Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-01
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to an automobile rearview mirror, and discloses an electronic rearview mirror which comprises a front shell, a display screen, a support, a main board, a rear shell and a radiator, wherein the front shell, the display screen, the support, the main board, the rear shell and the radiator are sequentially stacked and assembled, the display screen is embedded into a frame, the main board is embedded into the middle of the support, the main board and the support are both attached to the radiator, the radiator is attached to the inside of the rear shell, the display screen is a liquid crystal display screen, a composite attaching film is arranged in the liquid crystal display screen, and the composite attaching film comprises a polarizing film, a base film attached to the polarizing film through a first bonding layer containing haze and a prism film attached to the base film through a second bonding layer from top to bottom. The composite adhesive film of the display screen adopts only three layers of functional films, so that the number of layers and the volume of the composite adhesive film can be greatly reduced, and the manufacturing cost can be reduced; the front shell and the rear shell are internally provided with radiators, and adopt sheet metal supports, so that the radiating effect is better.

Description

Electronic rearview mirror

Technical Field

The utility model relates to an automobile rearview mirror, in particular to an electronic rearview mirror.

Background

Traditional automobile rearview mirror adopts the sphere reflector usually, and the driver looks over the rear-view mirror condition when driving, and it is easily influenced by weather or in the night, and the driver looks over not. The development of the electronic rearview mirror technology can solve the problems, and a left camera and a right camera are generally adopted to acquire images around a vehicle. The display screen of the existing electronic rearview mirror generally adopts a liquid crystal display panel, and the liquid crystal display panel has the problems that the number of composite lamination films is large, and the cost is high. In addition, the LED display panel only comprises a front shell, a display screen, a main board, a support, a rear shell and a connecting frame, and the heat dissipation effect is poor; the angle is adjusted according to the feeling when adjusting the angle, and the speed of each adjustment is slower.

Disclosure of Invention

Aiming at the defects of more layers and higher cost of a composite adhesive film in the prior art, the utility model provides the electronic rearview mirror, which is in accordance with the condition that the adhesive film only comprises three layers of functional films, the number of the layers is less, and the first cementing layer contains haze, so that one layer of atomized coating can be reduced, and the cost is reduced.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

electronic rearview mirror, including the preceding shell, display screen, support, mainboard, the backshell that stack gradually the equipment and form, in the display screen embedding frame, mainboard embedding support middle part, the display screen is liquid crystal display, its built-in compound laminating film, compound laminating film top-down include polarizing film, pass through the base film that contains the laminating of haze first cementing layer with polarizing film, pass through the prism rete of second cementing layer laminating with the base film. By adopting the three layers of functional films, the composite adhesive film can still meet the requirements of liquid crystal display products on brightness and shielding property under the condition of less film layers, and meanwhile, the composite adhesive film can ensure no interference and glare, the visual effect reaches the standard, and the scratch resistance meets the assembly requirements. The first cementing layer contains haze, so that an atomization coating does not need to be coated on the polarizing film, the volume and the number of layers of the structure are reduced, and the cost is reduced.

Further, still include the radiator, mainboard, support all laminate the radiator, inside the radiator laminating backshell. The heat dissipation effect of the whole structure is improved.

Further, the support is the panel beating support. Adopt the panel beating support on heat radiation structure, improve heat dispersion.

Further, still include the mounting bracket, the mounting bracket includes link and the base main part articulated with the link.

Furthermore, the side surface of the base body or the side surface of the connecting frame is marked with angle scales. The angle can be recorded after one-time adjustment, and the angle can be quickly adjusted according to the first-time adjustment when the angle is adjusted again next time, so that the speed is high.

Further, the prism layer film comprises a prism structure layer, the prism structure layer comprises a plurality of prisms which are continuously arranged, and the prisms have rotating angles. The prism has a certain rotation angle, so that the prism can be better attached to the liquid crystal display panel during subsequent installation.

Further, the prism layer film also comprises a prism base film, and the prism structure layer is arranged on the upper surface of the prism base film.

Further, the prism layer film also comprises a back coating coated on the lower surface of the prism base film.

Due to the adoption of the technical scheme, the utility model has the remarkable technical effects that: the polarizing film has a polarization function, can polarize part of transverse light source into a vertical incident surface, and achieves the effect of brightness gain. The haze of the first gluing reaches 75%, the lamp shadow shielding effect in backlight can be ensured, the self-flaw shielding performance of the composite adhesive film is ensured, and the Newton ring phenomenon is avoided.

The composite adhesive film is only three layers of functional films, so that the number of layers and the volume of the composite adhesive film can be greatly reduced, and the manufacturing cost can be reduced.

The front shell and the rear shell are internally provided with radiators, and adopt sheet metal supports, so that the radiating effect is better.

The side surface of the base main body or the connecting frame is marked with angle scales, so that the angle of the electronic rearview mirror can be conveniently adjusted next time, and the function of quick operation is realized.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a structural diagram of the composite conformable film of the present invention;

FIG. 3 is a block diagram of the base body of the present invention;

FIG. 4 is a front elevation view of the present invention after assembly;

FIG. 5 is a left side view of the assembled invention;

fig. 6 is a structural view after the assembly of the present invention.

The names of the parts indicated by the numerical references in the drawings are as follows: the display device comprises a 1-composite laminating film, a 2-display screen, a 3-support, a 4-main board, a 5-radiator, a 6-rear shell, a 7-flanging, a 8-front shell, a 9-radiating hole, a 10-circular through hole, a 11-polarizing film, a 12-base film, a 13-prism layer film, a 14-first gluing layer, a 15-second gluing layer, a 21-connecting frame, a 22-base body, a 23-angle scale, a 131-prism base film, a 132-prism structure layer and a 133-back coating.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Examples

As shown in fig. 1 and 6, the electronic rearview mirror includes a front housing 8, a display screen 2, a bracket 3, a main board 4, a heat sink 5, a rear housing 6, and a mounting bracket, which are sequentially stacked and assembled. The display screen 2 imbeds in the frame and the back all through the screw respectively with 4 surfaces of mainboard, 3 surperficial zonulae occludens of support, mainboard 4 imbeds the rectangle spacing inslot at 3 middle parts of support and is equipped with turn-ups 7 on the support 3 and fixes a position mainboard 4, and the 5 surfaces of radiator are all laminated on 4 backs of mainboard, the 3 backs of support, and inside 6 rear casings of radiator 5 surface laminating, 6 sides of rear casing are provided with louvre 9. The bracket 3 is a sheet metal bracket. The middle part of the rear shell 6 is provided with a round through hole 10. The mounting frame comprises a connecting frame 21 and a base main body 22 hinged with the connecting frame 21 through a rotating shaft, and the connecting frame 21 and the rear shell 6 are locked through screws. The middle part of the connecting frame 21 is provided with a wire harness hole matched with the circular through hole 10. The heat sink 5 is a conventional heat sink 5 currently on the market, and is not described herein.

As shown in fig. 4 and 5, the assembled rearview mirror has an overall width of 149.2mm, a length of 344.2mm and a thickness of 119.1mm, and the assembled front housing 8, display screen 2, bracket 3, main board 4, heat sink 5 and rear housing 6 have a thickness of 32.1 mm.

As shown in fig. 3, the side of the base main body 22 is marked with an angle scale 23, which facilitates installation and adjustment of the angle of the display screen 2. The display screen 2 fixedly connected with the connecting frame 21 can rotate up and down 70 degrees on the base main body 22, the up-down adjusting range is wider, and the practicability is stronger.

The support 3 is the main supporter, by including preceding shell 8 and the assembly of buckle between the backshell 6, no screw exposes, and is fixed reliable, and the appearance is pleasing to the eye, and easy dismounting, and 2 sizes of display screen and thickness can obtain very big optimization.

The main board 4 is internally provided with an image acquisition module, an image processing module and an image display module, wherein the image acquisition module acquires image data based on images shot by a plurality of cameras arranged on a vehicle body, the image processing module selects image data to be displayed based on the image data acquired by the image acquisition module and actual vehicle signals, and the image display module recombines and splices the images to be displayed to form a whole-screen single-picture image based on the image data to be displayed. The mainboard 4 splices the video image that the camera was gathered about with into a video image to show on the screen of electron rear-view mirror, the driver just can observe the condition on left and right sides as long as see a screen. The system can deal with various scenes such as weather and light, and solves the problem that image acquisition equipment around a vehicle body is inconvenient to view dispersedly; the electronic rearview mirror is used for collecting images of other vehicle-mounted image acquisition equipment, so that information can be acquired from a plurality of pieces of equipment in scenes such as light, rainwater, air pollution and dust, and the driving safety is improved.

As shown in fig. 2, the display 2 is a liquid crystal display, and includes a backlight module, the adhesive film of the backlight module is a composite adhesive film 1, the composite adhesive film 1 includes, from top to bottom, a polarizing film 11, a base film 12 and a prism layer film 13, the polarizing film 11 and the base film 12 are adhered by a first adhesive layer 14 containing haze, and the base film 12 and the prism layer film 13 are adhered by a second adhesive layer 15. By adopting the three layers of functional films, the composite adhesive film 1 can meet the requirements of liquid crystal display products on brightness and shielding property, and meanwhile, interference and glare do not exist, the visual effect reaches the standard, and the scratch resistance meets the assembly requirements.

The polarizing film 11 has a polarizing function, and can polarize part of the transverse light source to a vertical incident surface, thereby achieving an effect of luminance gain. Diffusion haze is made in the laminating glue on the back surface of the polarizing film 11, so that the haze of the first gluing reaches 75%, the lamp shadow shielding effect in backlight can be ensured, the self-defect shielding performance of the composite laminating film 1 is ensured, and the Newton ring phenomenon is avoided.

The prism layer film 13 comprises a prism base film 131, a prism structure layer 132 arranged on the upper surface of the prism base film 131, and a back coating 133 coated on the lower surface of the prism base film 131, wherein the prism structure layer 132 comprises a plurality of prisms which are continuously arranged, and the rotation angle alpha of the prisms is 5-9 degrees, so that the prisms can be better attached to a liquid crystal display panel during subsequent installation. In the present example, the prism length extending direction and the production conveyance direction (the direction of the arrow in fig. 2) of the laminate film production line have a deflection angle of 7 °, and the prism rotation angle is 7 °. The back coating 133 is coated with 6-10% of haze, has lower haze, and is matched with the haze of the first adhesive film, so that the light transmittance of the adhesive film can reach more than 92%, luminance gain is realized, luminance meeting requirements is ensured, and the back coating has the advantages of scratch resistance, high luminance and high light transmittance.

While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. Electronic rearview mirror, including the preceding shell (8) that the equipment formed that stacks gradually, display screen (2), support (3), mainboard (4), backshell (6), in display screen (2) embedding frame, mainboard (4) embedding support (3) middle part, a serial communication port, display screen (2) are liquid crystal display (2), its built-in compound laminating film (1), compound laminating film (1) top-down includes polarizing film (11), with polarizing film (11) base film (12) through the laminating of first cementing layer (14) that contains haze, with base film (12) prism tunic (13) through the laminating of second cementing layer (15).

2. The electronic rearview mirror according to claim 1, further comprising a heat sink (5), wherein the main plate (4) and the bracket (3) are both attached to the heat sink (5), and the heat sink (5) is attached to the inside of the rear case (6).

3. The electronic rearview mirror according to claim 1, wherein the bracket (3) is a sheet metal bracket.

4. The electronic rearview mirror according to claim 1, further comprising a mounting bracket including a connecting bracket (21) and a base body (22) hinged to the connecting bracket (21).

5. The electronic rearview mirror according to claim 4, wherein the side of the base main body (22) or the side of the link frame (21) is marked with an angle scale (23).

6. The electronic rearview mirror of claim 1, wherein the prism layer film (13) includes a prism structure layer (132), the prism structure layer (132) including a plurality of prisms arranged in series, the prisms having a rotational angle.

7. The electronic rearview mirror according to claim 6, wherein the prism layer film (13) further includes a prism base film (131), and the prism structure layer (132) is disposed on an upper surface of the prism base film (131).

8. The electronic rearview mirror according to claim 7, wherein the prism layer film (13) further includes a back coating layer (133) applied to a lower surface of the prism base film (131).