CN220615659U

CN220615659U - Electronic rear-view mirror projection display device

Info

Publication number: CN220615659U
Application number: CN202321543214.4U
Authority: CN
Inventors: 顾惠良
Original assignee: Shenzhen Ruisi Huachuang Automotive Electronics Co ltd
Current assignee: Shenzhen Ruisi Huachuang Automotive Electronics Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-03-19
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses an electronic rearview mirror projection display device, which comprises: the camera is arranged on a rearview mirror of the automobile; the computer unit assembly ECU is electrically connected with the corresponding input end of the camera; the input end of the projection display module is electrically connected with the corresponding output end of the computer unit assembly ECU; the camera acquires an external image of the vehicle and outputs the external image to the computer unit assembly ECU, the computer unit assembly ECU processes video information and outputs the video information to the projection display module, and the projection display module outputs the image and projects the image onto a windshield.

Description

Electronic rear-view mirror projection display device

Technical Field

The utility model relates to the technical field of rearview mirrors, in particular to an electronic rearview mirror projection display device.

Background

With the electronic and intelligent development of automobiles, the traditional rearview mirrors gradually meet the market demands, and the traditional external rearview mirrors have the problems of unclear visual field, narrow visual field, large blind area, glare interference and the like due to the influence of light rays, weather and the like;

however, the current picture display scheme is mostly realized by adopting a mode of arranging a display screen in a vehicle, and the display screen is arranged on an A column or a left front door and a right front door, but the problems of unsightly arrangement appearance in the vehicle, focusing and switching of eyes of a driver and the like are caused, so that the experience of the driver is poor.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides an electronic rearview mirror projection display device.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an electronic rear view mirror projection display device comprising:

the camera is arranged on a rearview mirror of the automobile;

the computer unit assembly ECU is electrically connected with the corresponding input end of the camera;

the input end of the projection display module is electrically connected with the corresponding output end of the computer unit assembly ECU;

the camera acquires an external image of the vehicle and outputs the external image to the computer unit assembly ECU, the computer unit assembly ECU processes video information and outputs the video information to the projection display module, and the projection display module outputs the image and projects the image onto a windshield.

Optionally, the projection display device further includes a screen printing reflecting surface, and the screen printing reflecting surface is disposed on the windshield.

Optionally, the ECU of the computer unit assembly includes a digital signal processing chip, an image sensor, and a converter, where the image sensor is electrically connected with the corresponding camera, the corresponding input end of the digital signal processing chip is electrically connected with the corresponding output end of the image sensor, and the corresponding input end of the converter is electrically connected with the corresponding output end of the digital signal processing chip.

Optionally, the converter is set as an OPC1280 MEMS chip, and a corresponding output end of the OPC1280 MEMS chip is electrically connected with a corresponding input end of the projection display module.

Optionally, the number of cameras and projection display modules is two.

Optionally, the projection display module is set as a HUD head-up display.

The technical scheme of the utility model has the following beneficial effects:

1. according to the utility model, the camera is used for acquiring the image outside the automobile and outputting the image to the computer unit assembly ECU, the computer unit assembly ECU processes video information and outputs the video information to the projection display module, and the projection display module outputs the image and projects the image onto the windshield, so that human eyes can always see the windshield, the road condition of the automobile in running can be known, and the experience of a driver is improved;

2. the utility model discloses a silk screen printing reflecting surface is used for lifting the image picture reflection of display to the human eye to HUD, and wherein the silk screen printing reflecting surface is black silk screen printing and establishes on windshield's an area, just so prevent sunshine backward flow, stray light dazzling, also can reduce the consumption saving cost of light source.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic view of the present utility model applied to an automobile.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, a first feature is "on" or "to a second feature unless explicitly specified and defined otherwise

"under" may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1, the present utility model provides an electronic rear view mirror projection display device, comprising:

an electronic rear view mirror projection display device comprising:

the camera is arranged on a rearview mirror of the automobile;

the input end of the projection display module is electrically connected with the corresponding output end of the computer unit assembly ECU; the number of cameras and the number of projection display modules are two, the cameras are a left camera and a right camera, the projection display modules are a left projection display module and a right projection display module, and the projection display modules are HUD head-up displays;

Referring to fig. 2, in this embodiment, the projection display device further includes a screen reflection surface, the screen reflection surface is disposed on the windshield, wherein the screen reflection surface is a black screen and is disposed on an area of the windshield;

specifically, when the camera acquires an external image of the vehicle and outputs the external image to the computer unit assembly ECU, the computer unit assembly ECU processes video information and outputs the video information to the projection display module, and the projection display module outputs the image and reflects the image to human eyes through a silk-screen reflecting surface on the vehicle. The black silk screen printing prevents sunlight from flowing backward and being dazzled, and can also reduce the power consumption of the light source and save the cost.

Referring to fig. 1 and 2, in this embodiment, the ECU includes a digital signal processing chip, an image sensor, and a converter, where the image sensor is electrically connected to a corresponding camera, a corresponding input end of the digital signal processing chip is electrically connected to an output end corresponding to the image sensor, and a corresponding input end of the converter is electrically connected to a corresponding output end of the digital signal processing chip; the converter is set as an OPC1280 MEMS chip, and the corresponding output end of the OPC1280 MEMS chip is electrically connected with the corresponding input end of the projection display module;

specifically, when the camera obtains an external image of a vehicle, the camera outputs the external image to the image sensor through a high-speed video signal wire, the image sensor converts an optical image of the camera into an analog electric signal, then the analog electric signal is input to the digital signal processing chip, the digital signal processing chip converts the electric signal into a digital signal, the digital signal is converted into an image signal required by the projection display module through the converter, and then the image signal is put on a silk screen reflection surface on a windshield through the projection display module, and the image signal enters human eyes after being reflected by the silk screen reflection surface.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An electronic rear view mirror projection display device, comprising:

the camera is arranged on a rearview mirror of the automobile;

2. The electronic rear view mirror projection display device of claim 1 further comprising a silk screened reflective surface disposed on the windshield.

3. The electronic rear view mirror projection display device of claim 1 wherein the computer unit assembly ECU comprises a digital signal processing chip, an image sensor and a converter, wherein the image sensor is electrically connected with the corresponding camera, the corresponding input end of the digital signal processing chip is electrically connected with the corresponding output end of the image sensor, and the corresponding input end of the converter is electrically connected with the corresponding output end of the digital signal processing chip.

4. The electronic rear view mirror projection display device of claim 3 wherein the converter is an OPC1280 MEMS chip, and wherein a corresponding output of the OPC1280 MEMS chip is electrically connected to a corresponding input of the projection display module.

5. The electronic rear view mirror projection display device according to claim 1, wherein the number of the cameras and the projection display modules is two.

6. The electronic rear view mirror projection display device of claim 5 wherein the projection display module is configured as a HUD head up display.