CN214164704U

CN214164704U - Windshield and automobile

Info

Publication number: CN214164704U
Application number: CN202120033114.1U
Authority: CN
Inventors: 佟静伟
Original assignee: BAIC Group ORV Co ltd
Current assignee: BAIC Group ORV Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-10
Anticipated expiration: 2031-01-07

Abstract

The utility model provides a windshield and car, wherein, windshield, include: the windshield glass is provided with a refraction area, the refraction area corresponds to the preset projection light of the head-up display, and the curvature of the refraction area is matched with the imaging curvature of the head-up display; the portion of the film in the refractive region is formed as a wedge-shaped structure. The utility model discloses a mark off an area as refraction region on with windshield to only make the regional camber setting of refraction and form images the camber phase-match, and only set up the part that the film is located refraction region into the wedge structure, under the prerequisite of guaranteeing the formation of image, ghost image when having eliminated the formation of image has improved the imaging quality, and avoid producing and dazzle light and reflection of light, and simultaneously, owing to reduced the higher area to optical demand on the windshield, be favorable to reducing whole car and arrange the degree of difficulty and increase whole car figurative degree of freedom.

Description

Windshield and automobile

Technical Field

The utility model relates to the technical field of auto-parts, in particular to windshield and car.

Background

Head-Up Display (Head Up Display, HUD for short) can effectively improve driving safety, and the application in the car is more and more extensive, but HUD has the ghost image problem when formation of image, for the imaging quality who improves HUD, current solution is for setting Up whole windshield into wedge glass, and adapt to whole windshield's camber and Head-Up Display's formation of image camber, because Head-Up Display's the formation of image camber is opposite with the camber requirement of windshield wiper etc. and the optics of monoblock wedge glass requires highly, cause whole car molding and arrange the degree of difficulty big.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical purpose that will reach provides a windshield and car for solve present with windshield whole set up to wedge glass in order to satisfy head-up display formation of image demand, cause whole car molding and arrange the big problem of the degree of difficulty.

In order to solve the above technical problem, the embodiment of the utility model provides a windshield, include: the windshield glass is provided with a refraction area, the refraction area corresponds to the preset projection light of the head-up display, and the curvature of the refraction area is matched with the imaging curvature of the head-up display;

the portion of the film in the refractive region is formed as a wedge-shaped structure.

Preferably, as described above, the area of the refracting area is larger than the area of the irradiating area of the windshield onto which the projected light is irradiated.

Specifically, as described above, the upper surface and the lower surface of the film in the non-refraction region are both formed as curved surfaces and symmetrically arranged, wherein the upper surface corresponds to the outer layer glass and the lower surface corresponds to the inner layer glass.

Specifically, as described above, the Y-direction curvature radius of the imaging curvature is greater than 3500 mm;

the Z-direction radius of curvature of the imaging curvature of the heads-up display is greater than 8500 millimeters.

Preferably, as in the windscreen described above, the deviation of the curvature of the refractive area from the imaging curvature is less than four percent of the imaging curvature.

Further, as with the windshield described above, the curvature of the refracting region deviates from the imaging curvature by less than two percent of the imaging curvature.

Another preferred embodiment of the present invention further provides an automobile, including:

a head-up display fixedly mounted on the dashboard of a motor vehicle, and a windscreen as described above;

the projected light emitted by the head-up display irradiates in the refraction area, and the reflected light of the projected light reflected by the refraction area irradiates at the preset human eye position in the cockpit.

Specifically, the automobile as described above further includes a wiper, wherein a wiping surface of the wiper is in contact with the outer glass of the windshield.

Compared with the prior art, the embodiment of the utility model provides a pair of windshield and car has following beneficial effect at least:

the utility model discloses a mark off an area as refraction region on with windshield, and only make the regional camber setting of refraction and form images the camber phase-match, and only set up the part that the film is located refraction region into the wedge structure, and other parts do not do too much requirement, under the prerequisite of guaranteeing formation of image, ghost image when having eliminated formation of image, the imaging quality has been improved, and avoid producing and dazzle light and reflection of light, and simultaneously, owing to reduced the higher area to optical demand on the windshield, be favorable to reducing whole car and arrange the degree of difficulty and increase whole car figurative degree of freedom.

Drawings

FIG. 1 is a schematic view of a windshield;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view of an optical path of the head-up display.

[ description of reference ]

1. A windshield glass; 101. a refractive region; 102. inner layer glass; 103. outer layer glass; 104. a film; 1041. a wedge-shaped structure; 2. a head-up display; 201. projecting light rays; 202. reflecting the light; 3. the positions of human eyes are preset.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, specific details are provided, such as specific configurations and components, merely to facilitate a thorough understanding of embodiments of the invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a windshield glass 1 including: an inner layer glass 102, an outer layer glass 103 and a film 104 arranged between the inner layer glass 102 and the outer layer glass 103, wherein a refraction region 101 is arranged on the windshield 1, the refraction region 101 corresponds to a preset projection ray 201 of the head-up display 2, and the curvature of the refraction region 101 is matched with the imaging curvature of the head-up display 2;

the portion of the film 104 within the refractive region 101 is formed as a wedge-shaped structure 1041.

In a preferred embodiment of the present invention, a refraction area 101 is separately disposed on windshield 1, specifically, the refraction area 101 corresponds to a projection light 201 of a predetermined head-up display 2, when windshield 1 is mounted on a vehicle or an experimental test is performed, projection light 201 emitted from head-up display 2 irradiates on the refraction area 101, and reflected light 202 irradiates on a predetermined human eye position 3 through reflection of the refraction area 101, so that a corresponding virtual image is formed in human eyes, i.e. human eyes can see a predetermined image on refraction area 101 of windshield 1. Since the curvature of the refraction region 101 is matched to the imaging curvature of the head-up display 2, it is advantageous to ensure that the head-up display 2 is imaged on the windscreen 1. Meanwhile, the film 104 disposed between the inner glass 102 and the outer glass 103 is formed into the wedge-shaped structure 1041 in the portion of the refraction region 101, so that the double image problem when the head-up display 2 is imaged can be effectively avoided. Namely the utility model discloses a mark off an area as refraction region 101 on windscreen 1, and only make the curvature setting and the formation of image curvature phase-match of refraction region 101, and only set up the part that is located refraction region 101 with film 104 into wedge structure 1041, and other parts do not do too much requirement, under the prerequisite of guaranteeing the formation of image, ghost image when having eliminated the formation of image, the imaging quality has been improved, and avoid producing dazzling light and reflection of light, and simultaneously, owing to reduced the higher area of optical demand on windscreen 1, be favorable to reducing whole car and arrange the degree of difficulty and increase whole car figurative degree of freedom.

Referring to fig. 1 to 3, preferably, as windshield 1 described above, the area of refracting area 101 is larger than the area of the irradiation area where projected light 201 is irradiated on windshield 1.

In a preferred embodiment of the present invention, the area of the refraction area 101 is larger than the area of the irradiation area of the windshield 1 irradiated by the projection light 201, so that when the head-up display 2 is installed, the head-up display 2 can be adjusted according to the actual situation, and the projection light 201 can be irradiated in the refraction area 101, which is favorable for improving the fault tolerance of the installation. Specifically, the refraction area 101 may be an area having a certain distance from the edge of the windshield 1, or an area communicating to the edge of the windshield 1. The outer contour of the refraction area 101 may be a straight line or a preset curve, preferably a curve arranged according to the path of the wiper during operation.

Referring to fig. 2, specifically, as in the windshield 1 described above, the upper surface and the lower surface of the film 104 in the non-refraction region portion are both formed into a curved surface and are symmetrically arranged, wherein the upper surface corresponds to the outer layer glass 103, and the lower surface corresponds to the inner layer glass 102.

In a specific embodiment of the present invention, the upper surface and the lower surface of the film 104 in the non-refraction region are both formed as a curved surface and symmetrically disposed, wherein the upper surface of the film 104 corresponds to the outer glass 103 for being attached to the outer glass 103, and the lower surface corresponds to the inner glass 102 for being attached to the outer glass 103, so as to ensure the close attachment between the outer glass 103, the film 104 and the inner glass 102. Optionally, the film 104 is disposed in parallel between the upper and lower surfaces of the non-refractive region.

Specifically, as in the windshield 1 described above, the Y-direction curvature radius of the imaging curvature is greater than 3500 mm;

the Z-direction radius of curvature of the imaging curvature of the head-up display 2 is greater than 8500 mm.

In a specific embodiment of the utility model, specifically prescribe a limit to the formation of image camber of head-up display 2, and the Y of formation of image camber is greater than 3500 millimeters to radius of curvature, and the Z of head-up display 2 formation of image camber is greater than 8500 millimeters. The imaging quality is ensured by reducing the bending degree of the imaging curved surface. Specifically, the Z direction is a height direction of the windshield 1 when mounted on the automobile, and the Y direction is a longitudinal direction of the windshield 1 when mounted on the automobile.

Preferably, as in the windscreen 1 described above, the deviation of the curvature of the refractive area 101 from the imaging curvature is less than four percent of the imaging curvature.

Further, as in the windshield 1 described above, the curvature of the refracting area 101 deviates from the imaging curvature by less than two percent of the imaging curvature.

In the embodiment of the utility model, preferably, with the deviation control between the regional 101 curvature of refraction and the formation of image curvature within four percent of the formation of image curvature, avoid leading to the curved surface of the regional 101 of refraction and the curved surface of formation of image to mismatch because of the deviation is too big to and then the formation of image quality that leads to is poor scheduling problem. Where the deviation is the absolute value of the difference between the curvature of the refractive region 101 and the imaging curvature.

More preferably, the deviation can be controlled within two percent of the imaging curvature, and the imaging quality of the head-up display 2 is further improved by the matching degree of the curved surface of the refraction region 101 and the imaged curved surface.

Referring to fig. 3, another preferred embodiment of the present invention also provides an automobile, including:

a head-up display 2 fixedly mounted on the dashboard of a motor vehicle, and a windscreen 1 as described above;

the projected light 201 emitted by the head-up display 2 is irradiated into the refraction region 101, and the reflected light 202 of the projected light 201 reflected by the refraction region 101 is irradiated to the preset human eye position 3 in the cockpit.

Another preferred embodiment of the present invention further provides an automobile, including: the head-up display 2 is fixedly mounted on an automobile instrument desk, the windshield glass 1 is arranged, the head-up display 2 corresponds to the refraction region 101 of the windshield glass 1, projected light 201 emitted from the head-up display 2 is irradiated in the refraction region 101, reflected light 202 after reflection is irradiated to the preset human eye position 3, a corresponding virtual image is formed in human eyes, and the preset image can be seen on the refraction region 101 of the windshield glass 1 by the human eyes. The utility model discloses a mark off an area as refraction region 101 on windscreen 1, and only make the curvature setting and the formation of image curvature phase-match of refraction region 101, and only set up the part that is located refraction region 101 with film 104 into wedge structure 1041, and other parts do not do too much requirement, under the prerequisite of guaranteeing the formation of image, ghost image when having eliminated the formation of image, the imaging quality is improved, and avoid producing and dazzle light and reflection of light, and simultaneously, owing to reduced windscreen 1 and gone up the higher area to optical demand, be favorable to reducing whole car and arrange the degree of difficulty and increase whole car figurative degree of freedom.

Specifically, the automobile as described above further includes a wiper, wherein a wiping surface of the wiper is in contact with outer glass 103 of windshield 1. In another embodiment of the invention, the vehicle further comprises a wiper, wherein the wiping surface of the wiper is in contact with the outer pane 103 of the windscreen 1, facilitating the cleaning of the outer pane 103. Preferably, the outer contour of the refraction area 101 may be a curve set according to the path of the wiper during operation, further facilitating the cleaning of the outer glass 103.

Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A windshield, comprising: an inner layer glass (102), an outer layer glass (103) and a film (104) arranged between the inner layer glass (102) and the outer layer glass (103), characterized in that a refraction region (101) is arranged on the windshield (1), the refraction region (101) corresponds to a projection light (201) of a preset head-up display (2), and the curvature of the refraction region (101) matches the imaging curvature of the head-up display (2);

the portion of the thin film (104) within the refractive region (101) is formed as a wedge-shaped structure (1041).

2. A windscreen (1) according to claim 1, wherein the area of said refracting area (101) is greater than the area of said projected light (201) impinging on the windshield (1).

3. A windscreen according to claim 1, wherein the membrane (104) is formed as a curved surface and symmetrically arranged on both its upper and lower surfaces in the non-refracting part, wherein the upper surface corresponds to the outer (103) and the lower surface corresponds to the inner (102) glass.

4. The windshield according to claim 1 wherein the Y-direction radius of curvature of the imaging curvature is greater than 3500 millimeters;

the head-up display (2) has a Z-direction radius of curvature of imaging curvature greater than 8500 mm.

5. A windscreen according to claim 1, wherein the deviation of the curvature of the refractive area (101) from the imaging curvature is less than four percent of the imaging curvature.

6. A windscreen according to claim 5, wherein the deviation of the curvature of the refracting area (101) from the imaging curvature is less than two percent of the imaging curvature.

7. An automobile, comprising:

a head-up display (2) fixedly mounted on the dashboard of a motor vehicle, and a windscreen (1) according to any of claims 1 to 6;

wherein, the projected light (201) emitted by the head-up display (2) is irradiated in the refraction region (101), and the projected light (201) is irradiated on a preset human eye position (3) in a cab through the reflected light (202) reflected by the refraction region (101).

8. An automobile according to claim 7, further comprising a wiper, wherein a wiping surface of the wiper is in contact with the outer pane (103) of the windscreen (1).