CN217021714U - Glass skylight for vehicle, roof for vehicle and vehicle - Google Patents

Abstract

The utility model relates to the technical field of vehicles, and particularly provides a glass skylight for a vehicle. In order to solve the problem that the existing glass skylight causes the light adjusting film to wrinkle because the arc of the roof surface is too deep, the glass skylight for the vehicle comprises: the glass piece, PVB membrane and the membrane of adjusting luminance of stack laminating in proper order, wherein, the surface that PVB membrane and the membrane of adjusting luminance contacted is first curved surface, and the surface that PVB membrane and glass piece contacted is the second curved surface, and the camber of first curved surface is less than the camber of second curved surface. The radian of second curved surface and glass piece is unanimous, sets up the camber for being less than the second curved surface through the camber with first curved surface, has guaranteed that the second curved surface that contacts with the membrane of adjusting luminance more is close to the plane, has not only reduced because of the difficult control of membrane cambered surface of adjusting luminance causes the difficult possibility of membrane installation of adjusting luminance, but also very big reduction the membrane of adjusting luminance appear the fold in the installation or the possibility of rolling over the damage.

Description

Glass skylight for vehicle, roof for vehicle and vehicle

Technical Field

The utility model relates to the technical field of vehicles, and particularly provides a glass skylight for a vehicle, a roof for the vehicle and the vehicle.

Background

With the development of the automobile industry, people pursue automobiles to meet not only basic walking requirements, but also more requirements on the attractiveness and comfort of the automobiles. Therefore, in order to make the appearance of the automobile look more attractive and make the experience in the driving process more comfortable, more and more automobiles are provided with skylight structures on the top of the automobile, and the skylight is used as a common automobile dimming glass top, not only can absorb ultraviolet rays and reflect infrared heat energy, but also can be changed into a fog state to reflect visible light heat energy, so that the temperature in the automobile can be effectively reduced, and a certain effect is realized on the heat dissipation of the automobile. Skylight glass generally is outer glass, outer PVB membrane, membrane of adjusting luminance, interior PVB membrane, the integrated configuration of inner sheet glass, and under the normal conditions, inner sheet glass, outer glass, membrane of adjusting luminance and interior PVB membrane and outer PVB membrane all are even uniform thickness, but because the roof molding generally has certain radian, very easily leads to the membrane of adjusting luminance to receive the too dark influence of roof molding cambered surface and become the fold in skylight glass's combination.

Accordingly, there is a need in the art for a new glass skylight that solves the problem of the prior art glass skylight having a light adjusting film that is wrinkled due to the excessive depth of the roof arc.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, namely, the problem that the existing glass skylight wrinkles a light adjusting film due to the fact that the arc degree of the roof surface is too deep is solved.

In a first aspect, the present invention provides a glass sunroof for a vehicle, including a glass sheet, a PVB film, and a light modulation film, which are sequentially stacked and attached, wherein a surface of the PVB film in contact with the light modulation film is a first curved surface, a surface of the PVB film in contact with the glass sheet is a second curved surface, and a curvature of the first curved surface is smaller than a curvature of the second curved surface.

In the above preferred technical scheme for glass skylight of vehicle, the glass piece includes outer glass and interior glass, the PVB membrane includes outer PVB membrane and interior PVB membrane, outer glass the outer PVB membrane the membrane of adjusting luminance interior PVB membrane with interior glass superposes the setting in proper order.

In the above preferred technical solution for a glass sunroof for a vehicle, the first curved surface is a flat surface.

In the above preferred embodiment of the glass sunroof for a vehicle, the inner sheet of glass has the same curvature as the outer sheet of glass; and/or the inner sheet of glass is equal in thickness to the outer sheet of glass.

In the above preferred technical scheme for a glass skylight of vehicle, outer PVB membrane with the surface that the membrane of adjusting luminance contacted is first curved surface, outer PVB membrane with the surface that outer piece glass contacted is the second curved surface, interior PVB membrane with the surface that the membrane of adjusting luminance contacted is the third curved surface, interior PVB membrane with the surface that inner piece glass contacted is the fourth curved surface, the camber of first curved surface is less than the camber of second curved surface, the camber of third curved surface is less than the camber of fourth curved surface.

In the above preferred embodiment of the glass sunroof for a vehicle, the glass sunroof has an equal thickness at each position.

In the above preferred technical scheme for a glass skylight of a vehicle, the cross section of the inner PVB film is a concave surface with a thin middle part and thick two sides, and the cross section of the outer PVB film is a convex surface with a thick middle part and thin two sides.

In the above preferred embodiment of the glass sunroof for a vehicle, the light adjusting films have equal thickness at each position; and/or the vertical distance between the outer sheet of glass and the inner sheet of glass is equal.

The utility model also provides a roof for a vehicle, which comprises the glass skylight for the vehicle in any one of the technical schemes.

The utility model also provides a vehicle which comprises the glass skylight for the vehicle in any one of the technical schemes.

As can be understood by those skilled in the art, in the technical solution of the present invention, a glass sunroof for a vehicle includes a glass sheet, a PVB film, and a dimming film, which are sequentially stacked and attached, wherein a surface of the PVB film in contact with the dimming film is a first curved surface, a surface of the PVB film in contact with the glass sheet is a second curved surface, and a curvature of the first curved surface is smaller than a curvature of the second curved surface.

Under the condition of adopting the technical scheme, the radian of the second curved surface of the PVB film is consistent with the radian of the glass sheet, the curvature of the first curved surface is smaller than that of the second curved surface, so that the first curved surface in contact with the dimming film is a plane or approximately a plane, the dimming film is preferably clamped between the inner glass and the outer glass, and the inner PVB film and the outer PVB film are respectively used as intermediate films to be arranged between the dimming film and the inner glass and the outer glass, so that the dimming film can be fixed, the mounting surface of the dimming film can be ensured to be a plane, the arrangement not only reduces the possibility that the dimming film is difficult to mount due to difficulty in controlling the cambered surface of the dimming film, but also greatly reduces the possibility that the dimming film has wrinkles or folding losses in the mounting process.

Drawings

Preferred embodiments of the present invention are described below in conjunction with the appended drawings, wherein:

FIG. 1 is a view of the arrangement of a sunroof according to the present invention on a vehicle roof;

FIG. 2 is a cross-sectional view A-A of the skylight glass of FIG. 1;

FIG. 3 is a cross-sectional view A-A of the alternative skylight of FIG. 1.

List of reference numerals:

1. a glass sheet; 11. an outer sheet of glass; 12. an inner sheet of glass; 2. a PVB film; 21. an outer PVB film; 211. a first curved surface; 212. a second curved surface; 22. an inner PVB film; 221. a third curved surface; 222. a fourth curved surface; 3. a light adjusting film.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 3, in order to solve the problem that the existing glass skylight has wrinkles on the dimming film 3 due to too deep roof arc, as shown in fig. 2, the glass skylight for a vehicle according to the present invention includes a glass sheet 1, a PVB film 2, and the dimming film 3, which are sequentially stacked and attached, wherein a surface of the PVB film 2 contacting the dimming film 3 is a first curved surface 211, a surface of the PVB film 2 contacting the glass sheet 1 is a second curved surface 212, and a curvature of the first curved surface 211 is smaller than a curvature of the second curved surface 212 (the curvature represents a degree of deviation of the curve from a straight line, and the larger the curvature is, the larger the degree of curvature of the curve is), and preferably, the first curved surface 211 is a plane. Preferably, as shown in fig. 3, the glass sheet 1 includes an outer sheet of glass 11 and an inner sheet of glass 12, the PVB film 2 includes an outer PVB film 21 and an inner PVB film 22, and the outer sheet of glass 11, the outer PVB film 21, the dimming film 3, the inner PVB film 22 and the inner sheet of glass 12 are sequentially stacked and attached to each other, wherein the surface of the outer PVB film 21 contacting the dimming film 3 is a first curved surface 211, the surface of the outer PVB film 21 contacting the outer sheet of glass 11 is a second curved surface 212, the surface of the inner PVB film 22 contacting the dimming film 3 is a third curved surface 221, the surface of the inner PVB film 22 contacting the inner sheet of glass 12 is a fourth curved surface 222, that is, the first curved surface 211 of the outer PVB film 21 and the third curved surface 221 of the inner PVB film 22 are respectively connected to the upper and lower surfaces of the dimming film 3, at this time, the curvature of the first curved surface 211 of the outer PVB film 21 is smaller than that of the second curved surface, the curvature of the third curved surface of the PVB film 22 is smaller than that of the fourth curved surface 222, preferably, the first curved surface 211 and the third curved surface 221 are both planes, so the PVB films on both sides of the light adjusting film 3 are both in a wedge-shaped structure, the cross section of the inner PVB film 22 is a concave surface with a thin middle and thick two sides, the cross section of the outer PVB film 21 is a convex surface with a thick middle and thin two sides, and the thicknesses of the light adjusting film 3 at each position are equal when the first curved surface 211 and the third curved surface 221 are both planes. The radian of the inner sheet of glass 12 is equal to that of the outer sheet of glass 11, the thicknesses of the inner sheet of glass 12 and the outer sheet of glass 11 are equal, and the vertical distances between the outer sheet of glass 11 and the inner sheet of glass 12 are equal, so that the thicknesses of the positions of the glass skylight formed by the outer sheet of glass 11, the outer PVB film 21, the dimming film 3, the inner PVB film 22 and the inner sheet of glass 12 which are arranged in an overlapping manner are equal.

The setting mode has the advantages that: be provided with membrane 3 of adjusting luminance on the glass skylight, the glass that is provided with membrane 3 of adjusting luminance not only itself can absorb ultraviolet ray and reflection infrared heat energy, thereby still can become the fog attitude and reflect visible light heat energy, consequently, can effectively reduce the temperature in the car, when membrane 3 of adjusting luminance deenergization, polymer liquid crystal material unordered range between them, make light can't pierce through membrane 3 of adjusting luminance, the effect in glass skylight that at this moment sees is opalescent opaque state promptly vaporifically, when membrane 3 of adjusting luminance circular telegram, the polymer liquid crystal material ordered arrangement in the middle of membrane 3 is adjusted down in the electric field effect, can make light can see membrane 3 of adjusting luminance through, the effect that sees the glass skylight at this moment is just to be transparent colourless film state. The membrane 3 of adjusting luminance can paste alone on glass, the membrane 3 of adjusting luminance sets up on the glass skylight, the glass skylight is including the glass piece 1 that superposes the laminating in proper order, PVB membrane 2 and the membrane 3 of adjusting luminance, the camber of the first curved surface 211 of the PVB membrane 2 of laminating with the membrane 3 of adjusting luminance is less than the camber of the second curved surface 212 of the PVB membrane 2 of laminating with the glass piece 1, first curved surface 211 is similar to the plane, the membrane 3's of adjusting luminance surface that can guarantee to be connected with the PVB membrane 2 surface is similar to the plane, avoid the membrane 3 of adjusting luminance to take place the fold, thereby realize the atomizing and the transparent effect in glass skylight better. The light adjusting film 3 can also be sandwiched between two layers of glass, the outer glass 11, the outer PVB film 21, the light adjusting film 3, the inner PVB film 22 and the inner glass 12 are sequentially overlapped and attached, in order to reduce the possibility that the light adjusting film 3 forms wrinkles, the first curved surface 211 of the outer PVB film 21 and the third curved surface 221 of the inner PVB film 22 are both arranged to be planes or approximately planes, at this time, the upper surface and the lower surface of the light adjusting film 3 arranged between the inner PVB film 22 and the outer PVB film 21 are parallel, the thicknesses of all positions of the light adjusting film 3 are equal, namely, the PVB film 2 is arranged between the glass sheet 1 and the light adjusting film 3 as an intermediate film, or the inner PVB film 22 and the outer PVB film 21 are respectively arranged between the light adjusting film 3 and the inner glass 12 and the outer glass 11 as intermediate films, so as to manufacture the light adjusting glass with a sandwich layer, namely the glass skylight of the utility model, which can achieve better light transmitting effect and higher impact strength, and meanwhile, the light modulation film 3 can be firmly fixed by being arranged between the two layers of glass sheets 1, and the upper and lower mounting surfaces of the light modulation film 3 can be ensured to be planes. The better emergence of avoiding receiving the condition of damage because of the naked hourglass of membrane 3 of setting up of membrane in the centre of pressing from both sides with membrane 3 of adjusting luminance in the middle of, in order to guarantee the convenience of glass skylight in processing and preparation, interior piece glass 12 and outer piece glass 11's radian, the thickness homoenergetic is equal, and the perpendicular distance between outer piece glass 11 and the interior piece glass 12 equals, consequently, the outer piece glass 11 that the stack set up, outer PVB membrane 21, membrane 3 of adjusting luminance, each position thickness of the glass skylight that interior PVB membrane 22 and interior piece glass 12 formed equals.

In summary, the first curved surface 211 of the PVB film 2 tightly attached to the dimming film 3 is designed to be a plane, or the first curved surface 211 of the outer PVB film 21 and the third curved surface 221 of the inner PVB film 22 tightly attached to the dimming film 3 are designed to be planes, so that the possibility of wrinkles occurring on the dimming film 3 is greatly reduced, and meanwhile, the dimming film 3 can be effectively fixed by the upper and lower PVB films 2, so that the possibility of difficulty in installation of the dimming film 3 due to the arc surface design in the installation process is reduced, the possibility of wrinkles or breakage occurring when the dimming film 3 is superposed with the PVB film is also greatly reduced, and the power-off atomization and power-on transparency effects of the glass skylight are better achieved. In addition, in order to facilitate the processing and manufacturing of the glass skylight, the glass sheets 1 with different specifications do not need to be selected independently, the radians and the thicknesses of the inner sheet glass 12 and the outer sheet glass 11 are equal, and the vertical distances between the outer sheet glass 11 and the inner sheet glass 12 are equal, so that the thicknesses of the glass skylight at all positions are equal.

It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can modify the above-mentioned structure so that the present invention can be applied to more specific application scenarios without departing from the principle of the present invention.

The present invention also provides a roof for a vehicle having a sunroof for a vehicle described in any of the above embodiments.

In addition, the utility model also provides a vehicle which is provided with the glass skylight for the vehicle in any one of the above embodiments.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims (10)

1. The utility model provides a glass skylight for vehicle which characterized in that, glass skylight is including the glass piece, PVB membrane and the membrane of adjusting luminance that superpose the laminating in proper order, wherein, the PVB membrane with the surface that the membrane of adjusting luminance contacted is first curved surface, the PVB membrane with the surface that the glass piece contacted is the second curved surface, the camber of first curved surface is less than the camber of second curved surface.

2. The glass sunroof for a vehicle according to claim 1, wherein the glass sheet comprises an outer sheet of glass and an inner sheet of glass, the PVB film comprises an outer PVB film and an inner PVB film, and the outer sheet of glass, the outer PVB film, the dimming film, the inner PVB film and the inner sheet of glass are sequentially disposed in an overlapping manner.

3. The sunroof for a vehicle according to claim 2, wherein the first curved surface is a flat surface.

4. A glazing for a vehicle as claimed in claim 2, characterised in that the arc of the inner sheet of glass is equal to the arc of the outer sheet of glass; and/or the like and/or,

the inner sheet of glass is equal in thickness to the outer sheet of glass.

5. The glass skylight for a vehicle of claim 2, wherein the surface of said outer PVB film in contact with said light modulating film is a first curved surface, the surface of said outer PVB film in contact with said outer sheet of glass is a second curved surface, the surface of said inner PVB film in contact with said light modulating film is a third curved surface, the surface of said inner PVB film in contact with said inner sheet of glass is a fourth curved surface, and wherein the curvature of said first curved surface is less than the curvature of said second curved surface, and wherein the curvature of said third curved surface is less than the curvature of said fourth curved surface.

6. A glazing for a vehicle according to claim 2 characterised in that each location of the glazing is of equal thickness.

7. The vehicle glazing of claim 2 wherein the inner PVB film cross-section is concave with a thin middle and thick sides and the outer PVB film cross-section is convex with a thick middle and thin sides.

8. The glass sunroof for a vehicle according to claim 2, wherein each position of the light adjusting film is equal in thickness; and/or the like and/or,

the vertical distance between the outer glass sheet and the inner glass sheet is equal.

9. A roof for a vehicle, characterized in that it comprises a glass skylight for a vehicle as claimed in any of the preceding claims 1-8.

10. A vehicle, characterized in that it comprises a sunroof for a vehicle according to any one of claims 1 to 8.

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