Device for eliminating view blind area of automobile A column

By installing concave lenses at the front windshield and A-pillar of the car, using their refractive characteristics to generate reduced images, the problem of blind spots in the A-pillar of the car is solved, and the driving vision and safety are significantly improved.

CN119590331APending Publication Date: 2025-03-11厉成浩
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Patent Information

Application Number
CN202411829873.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-03-11

AI Technical Summary

Technical Problem

The prior art cannot effectively eliminate the blind spots of the A-pillar field of view of the car, resulting in the driver being unable to observe pedestrians and obstacles within the A-pillar blind spot when driving and turning, posing a major safety hazard.

Method used

By installing a tightly fit concave lens at the inner slits of the front windshield and the left and right A-pillar, a reduced image is generated by the refractive characteristics of the concave lens, thereby expanding the driver's effective field of view.

Benefits of technology

It effectively reduces the blind spots in the field of vision caused by the A-pillar, improves the integrity of the driving field of vision, enhances driving safety, reduces the risk of traffic accidents that may be caused by obstruction of vision, and reduces the physical burden and visual fatigue during driving.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of automobile accessories, in particular to an automobile A column view blind area eliminating device which comprises a front windshield and two A columns connected to the left side and the right side of the front windshield, and the inner side cracks of the front windshield and the A columns on the left side and the right side are each provided with a concave lens which is tightly attached to the front windshield and the inner side cracks of the A columns on the left side and the right side. The effective view field range of a driver is effectively expanded, the traffic accident risk possibly caused by sight blocking is reduced, additional guarantee is provided for life safety of drivers, passengers and pedestrians, cost is low, the structure is simple, installation and later maintenance are easy, and wide applicability and practicability of the device are guaranteed.
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Description

Technical Field

[0001] The invention belongs to the technical field of automobile accessories, and in particular relates to a device for eliminating the blind spot of an automobile A-pillar. Background Art

[0002] At present, with the rapid development of the automobile industry, the number of traffic accidents caused by collisions between cars and pedestrians has increased significantly, and such accidents often cause extremely serious injuries to pedestrians. The A-pillar, as a key structural column connecting the left and right front of the vehicle to the roof and front cabin, is an important part of the car body design. Generally speaking, the car body structure includes three types of pillars: the A-pillar (front pillar) at the front end, the B-pillar (middle pillar) in the middle, and the C-pillar (rear pillar) at the rear. For a car, the A-pillar is the main load-bearing structure of the car body, and its design must take into account both strength and stability.

[0003] Given the primary principle of protecting the safety of drivers and passengers, it is impossible to simply remove the A-pillar or excessively reduce its size to reduce safety risks under current technical conditions, which means that the smaller the A-pillar, the better. Therefore, almost all modern cars inevitably have an A-pillar blind spot, which will hinder the driver's observation of pedestrians and obstacles within the A-pillar blind spot during driving and turning, thus posing a major safety hazard. According to relevant statistics, about 30% of traffic accidents can be attributed to the obstruction of vision caused by the A-pillar.

[0004] In order to deal with this problem, the industry is currently trying to use the following methods to eliminate or reduce the impact of the A-pillar blind spot:

[0005] 1. Improve the driver's field of vision by increasing the strength of the A-pillar material and appropriately refining the A-pillar structure. However, this approach must be carried out under the premise of ensuring structural safety, so there is a limit to the degree of refinement of the A-pillar;

[0006] 2. A triangular window is opened on the A-pillar. This design is often seen in MPV models, but even so, the triangular window itself still has a certain blind spot;

[0007] 3. Install a camera on the outside of the A-pillar and configure a display screen on the inside of the A-pillar to display the blind spot in real time. However, this method is costly and may face problems such as image transmission lag and interference of the display screen on the driver's vision;

[0008] 4. Install or stick a reflector on the front windshield or side window of the car to observe the A-pillar blind spot using the reflection principle. However, this method has the problem that the observation angle is inconsistent with the actual object position, which may affect the driver's judgment accuracy.

[0009] Therefore, we propose a device for eliminating the blind spot of the A-pillar vision of an automobile to solve the above technical problems. Summary of the invention

[0010] In order to solve the above technical problems in the prior art, the present invention proposes a device for eliminating the blind spot of the A-pillar of an automobile.

[0011] The technical solution adopted by the present invention is as follows:

[0012] A device for eliminating the blind spot of the A-pillar of an automobile comprises a front windshield and two A-pillars connected to the left and right sides of the front windshield. A concave lens which fits tightly is installed at the inner gap between the front windshield and the A-pillars on the left and right sides.

[0013] In a further technical solution, the thickness of the concave lens gradually increases on a side close to the A-pillar.

[0014] In a further technical solution, the concave lens and the front windshield are integrally formed.

[0015] In a further technical solution, the concave lens is made of glass or acrylic.

[0016] In a further technical solution, a triangular window is also included, and a tightly fitting concave lens is installed at the inner gap of the triangular window close to the A-pillar.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0018] 1. The present invention utilizes the refractive property of a concave lens to generate a reduced image, thereby expanding the effective field of vision of the driver. Although it is impossible to completely eliminate the blind spot, the concave lens can display the view of most of the area that was originally blocked, leaving only a small blind spot close to the vehicle body. This does not constitute a substantial impact on normal driving operations, greatly enhances driving safety, effectively reduces the risk of traffic accidents that may be caused by obstructed vision, and provides additional protection for the life safety of drivers and pedestrians.

[0019] 2. During driving, the present invention eliminates the need for the driver to frequently turn his head or adjust his sitting posture to check the blind spot, which effectively reduces the physical burden and visual fatigue during driving, thereby improving driving comfort.

[0020] 3. The present invention pursues maximum cost-effectiveness in design and has a simple structure. It is not only easy to install and maintain later, but also will not affect the original structure and performance of the vehicle, thus ensuring the wide applicability and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will now be described by way of example with reference to the accompanying drawings, in which:

[0022] Figure 1 is a cross-sectional view of the present invention;

[0023] Figure 2 It is a schematic diagram of the blind spot field of view acquisition range of the present invention.

[0024] Figure numerals: 1 - front windshield, 2 - A-pillar, 3 - concave lens. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application and the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and indicated in the accompanying drawings here can be arranged and designed in various configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0026] In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or are the positions or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] See also Figure 1 and Figure 2 The present invention provides a device for eliminating the blind spot of the A-pillar of an automobile, comprising a front windshield 1 and two A-pillars 2 connected to the left and right sides of the front windshield 1, wherein a concave lens 3 which is tightly fitted is installed at the inner gap between the front windshield 1 and the A-pillars 2 on the left and right sides.

[0028] The blind spot elimination device of the A-pillar 2 of the automobile is provided by installing the concave lens 3 at the inner gap between the front windshield 1 and the A-pillars 2 on the left and right sides. During driving, when the driver needs to observe the object in the blind spot of the A-pillar 2 during driving, the light will be refracted from the object to the concave lens 3, and then a reduced image will be formed and mapped to the driver's eyes according to the light refraction and imaging principle unique to the concave lens 3. This process enables the driver to clearly see the object originally blocked by the A-pillar 2, significantly reduces the blind spot caused by the A-pillar 2, and improves the integrity of the driving vision. Its specific working principle is to use the refractive characteristics of the concave lens 3 to generate a reduced image, thereby expanding the effective field of vision of the driver. Although the effect of completely eliminating the blind spot cannot be achieved, the concave lens 3 can display the scene of most of the area that was originally blocked, leaving only a small blind spot close to the car body, which does not constitute a substantial impact on normal driving operations, greatly enhances driving safety, effectively reduces the risk of traffic accidents that may be caused by obstructed vision, and provides additional protection for the life safety of drivers and pedestrians. In addition, during driving, the driver does not need to frequently turn his head or adjust his sitting posture to check the blind spot, which effectively reduces the physical burden and visual fatigue during driving, thereby improving driving comfort. More importantly, the design of the A-pillar 2 blind spot elimination device for automobiles pursues maximum cost-effectiveness and has a simple structure. It is not only easy to install and maintain later, but also will not affect the original structure and performance of the vehicle, ensuring the wide applicability and practicality of the device.

[0029] In a specific implementation, the thickness of the concave lens 3 on the side close to the A-pillar 2 gradually increases.

[0030] The thickness variation of the concave lens 3 helps to more accurately control the refraction path and focusing effect of the light. The gradually thickening design near the A-pillar 2 ensures that the light can be refracted at a predetermined angle and curvature when passing through the concave lens 3, thereby more accurately imaging the objects in the blind spot of the A-pillar 2 in the driver's field of vision, improving the clarity and accuracy of the field of vision, and effectively reducing the risk of traffic accidents caused by obstructed vision.

[0031] In a specific implementation, the concave lens 3 and the front windshield 1 are integrally formed.

[0032] The one-piece design simplifies the installation process, reduces the number of installation steps and the time required, and reduces the installation cost. Moreover, the gap between the concave lens 3 and the front windshield 1 is effectively sealed, reducing the intrusion of moisture and dust. This helps to maintain the clarity and refraction effect of the concave lens 3 and avoids safety hazards caused by visual interference. In addition, the one-piece design makes the entire front windshield 1 area neater and more beautiful, improving the overall appearance quality of the vehicle.

[0033] In a specific implementation, the concave lens 3 is made of glass.

[0034] Glass is a material with high light transmittance, which can ensure that the light refracted by the concave lens 3 is clear and bright, and helps the driver to clearly observe the objects in the blind spot of the A-pillar 2. In addition, the glass material has high hardness and strong wear resistance, and can resist scratches and wear that may be encountered in daily use, thereby extending the service life of the concave lens 3. Of course, the manufacturing material of the concave lens 3 is not limited to glass. For example, acrylic material is also an ideal choice. Acrylic material has good plasticity and is easy to process into various shapes and sizes to meet different design requirements. More importantly, the impact resistance of acrylic is significantly better than that of ordinary glass, which enables it to show higher toughness when it is hit by external forces, thereby effectively reducing the risk of damage caused by collisions and further ensuring driving safety.

[0035] In a specific embodiment, a triangular window is also included, and a tightly fitting concave lens 3 is installed at the inner gap of the triangular window close to the A-pillar 2.

[0036] This design principle is not limited to the front windshield 1, but also applies to the triangular window. Specifically, if the concave lens 3 is only installed at the triangular window, it is not only more compact, but also can keep the cost lower. Installing the concave lens 3 at the front windshield 1 and the triangular window at the same time can not only further improve the elimination range of the blind spot, but also share the task of presenting the blind spot vision of the front windshield 1 to the two concave lenses 3 at the triangular window. Therefore, the concave lens 3 at the front windshield 1 can become narrower, which is convenient for use.

[0037] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for eliminating the blind spot of the A-pillar of an automobile, characterized in that: The invention comprises a front windshield (1) and two A-pillars (2) connected to the left and right sides of the front windshield (1), wherein a concave lens (3) which fits tightly is installed at the inner gap between the front windshield (1) and the A-pillars (2) on the left and right sides.

2. The device for eliminating the blind spot of the A-pillar of an automobile according to claim 1, characterized in that: The thickness of the concave lens (3) gradually increases on the side close to the A-pillar (2).

3. The device for eliminating the blind spot of the A-pillar of an automobile according to claim 1, characterized in that: The concave lens (3) and the front windshield (1) are integrally formed.

4. The device for eliminating the blind spot of the A-pillar of an automobile according to claim 1, characterized in that: The material of the concave lens (3) is glass or acrylic.

5. The device for eliminating the blind spot of the A-pillar of an automobile according to claim 1, characterized in that: It also comprises a triangular window, wherein a tightly fitting concave lens (3) is installed at the inner side gap of the triangular window close to the A-pillar (2).