Rearview mirror for driving assistance

By employing a double-layer mirror structure and image display technology on the car's rearview mirror, information on obstacles to the side and rear can be monitored and superimposed in real time, solving the blind spot problem of traditional rearview mirrors and improving driving safety and reaction speed.

CN223764335UActive Publication Date: 2026-01-06JIANGSU KESHENG AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520507636.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-01-06
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

Traditional car rearview mirrors can easily create blind spots when turning or changing lanes, making it difficult for drivers to notice obstacles to the side and rear, thus affecting driving safety.

Method used

It adopts a double-layer mirror structure, with an inner layer being a reflective mirror and an outer layer being a semi-transparent mirror. Combined with an image display device and a data acquisition device, it monitors obstacle information from the side and rear in real time, and overlays digital images on the reflected images, using a processor to control the display.

Benefits of technology

It effectively eliminates the blind spots of traditional rearview mirrors, especially when changing lanes or turning, greatly reducing the risk of collision. Drivers do not need to frequently turn their heads to obtain important information, improving reaction speed and making visual perception more intuitive and natural.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223764335U_ABST
    Figure CN223764335U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of rearview mirrors, in particular to a rearview mirror for driving assistance, which comprises a double-layer mirror surface structure, an image display device is arranged on the double-layer mirror surface structure, and the image display device displays images on the double-layer mirror surface structure and overlaps with reflected images. The acquisition device is arranged on the rearview mirror and is used for acquiring information of obstacles on the rear side of the rearview mirror; and the processor is electrically connected with the acquisition device and the image display device, information acquired by the acquisition device is transmitted to the processor for processing, and the processor controls the image display device to display images according to the information of the side rear obstacles. Obstacle information on the rear side of a vehicle is monitored in real time through the collecting device, visual blind areas are effectively eliminated, especially during lane changing, turning or doubling, the collision risk is greatly reduced, the image display device displays the obstacle information on the double-layer mirror surface in an overlapped mode, a driver can rapidly obtain important information without frequently turning the head or transferring the sight, and the driver experience is improved. And the driving response speed is increased.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to rear -view mirror technical field especially relates to a rear -view mirror for driving auxiliary. BACKGROUND

[0002] Traditional automobile rear -view mirror mainly relies on fixed mirror surface and realizes the monitoring of the rear field of view of the vehicle, but fixed mirror surface structure is easy to form visual blind area, especially when turning or changing lane, the driver is difficult to detect the side rear obstacle in time, thereby causing the influence to the driving safety.

[0003] The information disclosed in this BACKGROUND section is only for the purpose of enhancing the understanding of the background of the present utility model, and should not be treated as acknowledging that this information is prior art which is known to those of ordinary skill in the art currently. SUMMARY

[0004] The utility model provides a rear -view mirror for driving auxiliary to effective solution the problem in the background art.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme of a rear -view mirror for driving auxiliary, comprising:

[0006] Double -deck mirror surface structure, the double -deck mirror surface structure is provided with image display device, the image display device shows image on the double -deck mirror surface structure, and with the reflected image is superimposed;

[0007] Collecting device, the collecting device is set up on the rear -view mirror, and the side rear obstacle information is collected;

[0008] Processor, the processor is electrically connected with the collecting device and image display device, the information of collecting device transmission is given to the processor and is handled, and the processor controls the image display device according to the side rear obstacle information and shows image.

[0009] Further, the double -deck mirror surface structure includes:

[0010] Inner layer mirror surface, the inner layer mirror surface is set up in the inner layer and is used to reflect image;

[0011] Outer layer semi -transparent mirror surface, the outer layer semi -transparent mirror surface is set up in the outer layer, and is semi -transparent material.

[0012] Further, the light transmittance of the outer layer semi -transparent mirror surface is 40%~60%.

[0013] Further, the image display device is set up between the inner layer mirror surface and outer layer semi -transparent mirror surface, and is located close to the end of the driver's cabin.

[0014] Further, the inner layer reflective mirror surface is glass or engineering plastic with reflectivity greater than a set value.

[0015] Further, the collection device includes any one or more of a wide-angle camera, an ultrasonic sensor, an infrared sensor, and a laser sensor.

[0016] Further, the collection device further includes a light sensor that collects light brightness, the light sensor being electrically connected to the processor, and the processor adjusts the image brightness displayed by the image display device according to the light brightness collected by the light sensor.

[0017] Further, the inner layer reflective mirror surface is provided with an anti-glare coating.

[0018] The beneficial effects of the present application are as follows: the collection device monitors the obstacle information behind the vehicle in real time, effectively eliminates the visual blind area of the traditional rearview mirror, especially when changing lanes, turning or merging, greatly reduces the risk of collision, and the image display device displays the obstacle information on the double-layer mirror surface, so the driver does not need to frequently turn his head or shift his gaze, can quickly obtain important information, and improves the driving reaction speed. The double-layer mirror structure fuses the digital image and the reflected image, avoids the visual deviation problem that may be caused by using the in-vehicle display screen alone, makes the visual perception of the driver more intuitive and natural, improves the blind area problem of the traditional rearview mirror, fully considers the use habits and driving safety requirements of the driver, and provides a more efficient solution for the driving assistance system. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Fig. 1 is a structural schematic view of a rearview mirror;

[0021] Fig. 2 is a schematic view of the present application;

[0022] Fig. 3 is a schematic view of a double-layer mirror structure;

[0023] Fig. 4 is a schematic view of the electrical connection of the collection device, the processor and the image display device.

[0024] 1, double mirror structure; 11, inner layer mirror; 12, outer layer semi-transparent mirror; 13, image display device; 2, acquisition device; 21, light sensor; 3, processor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0026] As shown in the figure: Figs. 1 to 4 A rearview mirror for driving assistance, comprising:

[0027] A double mirror structure 1, the double mirror structure 1 is provided with an image display device 13, the image display device 13 displays an image on the double mirror structure 1, and the image is superimposed on the reflected image;

[0028] An acquisition device 2, the acquisition device 2 is arranged on the rearview mirror and collects side rear obstacle information;

[0029] A processor 3, the processor 3 is electrically connected with the acquisition device 2 and the image display device 13, the information collected by the acquisition device 2 is transmitted to the processor 3 for processing, and the processor 3 controls the image display device 13 to display the image according to the side rear obstacle information.

[0030] The acquisition device 2 monitors the obstacle information of the side rear of the vehicle in real time, effectively eliminates the visual blind area of the traditional rearview mirror, especially when changing lanes, turning or parallel parking, greatly reduces the risk of collision, and the image display device 13 superimposes and displays the obstacle information on the double mirror structure, so that the driver does not need to frequently turn his head or shift his line of sight, can quickly obtain important information, and improves the driving reaction speed. The double mirror structure 1 fuses the digital image and the reflected image, avoids the visual deviation problem that may be caused by using the in-vehicle display screen alone, makes the visual perception of the driver more intuitive and natural, improves the problem of the blind area of the traditional rearview mirror, fully considers the use habit and driving safety demand of the driver, and provides a more efficient solution for the driving assistance system.

[0031] In the embodiment, the double mirror structure 1 comprises:

[0032] An inner layer mirror 11, the inner layer mirror 11 is arranged in the inner layer and is used for reflecting the image;

[0033] An outer layer semi-transparent mirror 12, the outer layer semi-transparent mirror 12 is arranged in the outer layer and is made of a semi-transparent material.

[0034] The inner layer reflective mirror surface 11 ensures the clarity of the traditional mirror image, and the outer layer semi-transparent mirror surface 12 can superimpose a digital image, realizing the natural fusion of physical reflection and digital image and avoiding picture blur or ghosting. The outer layer semi-transparent mirror surface 12 makes the digital image more intuitively present in the driver's field of view, improves the driver's reaction speed, and further enhances the driving safety.

[0035] In the embodiment, the light transmittance of the outer layer semi-transparent mirror surface 12 is 40% to 60%.

[0036] The light transmittance of 40% to 60% balances the clarity of the reflected image and the visibility of the digital image, ensuring that the driver can clearly identify the information under different light conditions.

[0037] As a preferred embodiment of the above, the image display device 13 is arranged between the inner layer reflective mirror surface 11 and the outer layer semi-transparent mirror surface 12 and located at one end close to the driver's cabin.

[0038] Arranging the image display device 13 close to the driver's cabin enables the driver to more easily observe the content displayed by the image display device 13 and quickly obtain important information, thereby improving the driving reaction speed.

[0039] In the embodiment, the inner layer reflective mirror surface 11 is glass or engineering plastic with a reflectivity greater than a set value. Using high-reflectivity materials (such as special glass or engineering plastic) ensures the brightness and clarity of the reflected image and avoids affecting the field of view due to material degradation.

[0040] In the embodiment, the collection device 2 includes any one or more of a wide-angle camera, an ultrasonic sensor, an infrared sensor, and a laser sensor.

[0041] The wide-angle camera can provide wide-range image monitoring, the ultrasonic sensor is good at close-range obstacle detection, the infrared sensor performs well in night and low-visibility environments, and the laser sensor can realize accurate distance measurement and target recognition. Different sensors complement each other and can continuously provide reliable data in complex weather, insufficient light, or harsh environments, significantly improving the stability and accuracy of the system. Combined with multi-sensor data, obstacle recognition, distance measurement, and driving warning functions can be further optimized through fusion algorithms, thereby improving the intelligent level of the driving assistance system.

[0042] As a preferred embodiment of the above, the collection device 2 further includes a light sensor 21, the light sensor 21 collects light brightness, and the light sensor 21 is electrically connected to the processor 3, and the processor 3 adjusts the image brightness displayed by the image display device 13 according to the light brightness collected by the light sensor 21.

[0043] The light sensor 21 can automatically adjust the brightness of the image display device 13 according to the ambient light, ensuring that the digital image is clearly visible in strong light or at night, avoiding the interference of too dark or too bright light on the driver's vision.

[0044] As a preferred embodiment of the above, the inner reflective mirror surface 11 is provided with an anti-glare coating.

[0045] The anti-glare coating of the inner reflective mirror surface 11 can effectively reduce the reflection interference of the rear lamp light or strong sunlight on the mirror surface, and improve the visual comfort of the driver in complex lighting conditions.

[0046] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. The meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0047] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of different embodiments or examples without contradiction.

[0049] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. The ordinary skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A rearview mirror for driver assistance, characterized by, The application relates to a rearview mirror with a double-layer mirror surface structure. The double-layer mirror surface structure is provided with an image display device which displays an image on the double-layer mirror surface structure and overlaps the reflected image. A collection device is arranged on the rearview mirror to collect side-rear obstacle information. A processor is electrically connected with the collection device and the image display device, the information collected by the collection device is transmitted to the processor for processing, and the processor controls the image display device to display an image according to the side-rear obstacle information.

2. The rearview mirror for drive assist according to claim 1, characterized by, The double-layer mirror surface structure comprises: An inner-layer reflective mirror surface arranged on an inner layer and used for reflecting an image. An outer-layer semi-transparent mirror surface arranged on an outer layer and made of a semi-transparent material.

3. The rearview mirror for driver assist according to claim 2, characterized in that, The light transmittance of the outer-layer semi-transparent mirror surface is 40%-60%.

4. The rearview mirror for drive assist according to claim 2, characterized by, The image display device is arranged between the inner-layer reflective mirror surface and the outer-layer semi-transparent mirror surface and located at one end close to a driver's cabin.

5. The rearview mirror for driver assist according to claim 2, wherein The inner-layer reflective mirror surface is made of glass or engineering plastic with reflectivity greater than a set value.

6. The rearview mirror for driver assist according to claim 1, wherein The collection device comprises any one or more of a wide-angle camera, an ultrasonic sensor, an infrared sensor and a laser sensor.

7. The rearview mirror for driver assist according to claim 1, wherein The collection device further comprises a light sensor which collects light brightness, the light sensor is electrically connected with the processor, and the processor adjusts the image brightness displayed by the image display device according to the light brightness collected by the light sensor.

8. The rearview mirror for driver assist according to claim 2, characterized by, The inner-layer reflective mirror surface is provided with an anti-glare coating.