Heat insulation dimming glass and vehicle

Abstract

The utility model discloses heat-insulation dimming glass and a vehicle, the heat-insulation dimming glass comprises a first glass layer and a second glass layer, the second glass layer and the first glass layer are arranged in a laminated manner; the light adjusting film is arranged between the first glass layer and the second glass layer in a stacked mode, and the light adjusting film is provided with a metal thin film. According to the heat insulation dimming glass, the metal thin film is arranged in the dimming film, so that the dimming film not only has a dimming function, but also can reflect heat of an infrared band for multiple times, and a good heat insulation effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to light -adjusting glass technical field especially is involved in a kind of heat insulation light -adjusting glass and vehicle. BACKGROUND

[0002] With the implementation of national double carbon policy, new energy vehicle enterprises develop rapidly, because battery pack is placed under chassis, leading to the vertical distance of cabin space is reduced, so vehicle enterprises use glass dome with higher arch to realize space promotion, while customers also put forward requirements to comfort, functionality, light-adjusting performance etc.Glass changes from traditional structural member to functional member, under the premise of guaranteeing mechanical safety performance, light-adjusting layer is compounded in glass, to achieve light-adjusting, comfortable etc.Function.But the glass with pure light-adjusting function has poor heat insulation capacity. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in prior art is solved.For this purpose, the utility model provides a kind of heat insulation light -adjusting glass, the heat insulation light -adjusting glass has good heat insulation effect.

[0004] The utility model further provides a kind of vehicle, the vehicle includes above-mentioned heat insulation light -adjusting glass.

[0005] According to the heat insulation light -adjusting glass of the utility model embodiment, including: first glass layer and second glass layer, the second glass layer and the first glass layer are stacked and set;Light -adjusting film, the light -adjusting film is stacked between the first glass layer and the second glass layer, the light -adjusting film has metal film.

[0006] According to the heat insulation light -adjusting glass of the utility model embodiment, by setting metal film in light -adjusting film, so that light -adjusting film has the function of light -adjusting, and infrared waveband heat can be reflected multiple times, to reach good heat insulation effect.

[0007] According to some embodiments of the utility model, the light -adjusting film further includes: first base film and second base film, the first base film and the second base film are stacked and set;First conductive layer and second conductive layer, the first conductive layer and the second conductive layer are stacked between the first base film and the second base film;Light -adjusting layer, the light -adjusting layer is stacked between the first conductive layer and the second conductive layer, the metal film is arranged between the first base film and the first conductive layer, and insulating film is arranged between the metal film and the first conductive layer;Or the metal film is arranged on the side of the first base film away from the first conductive layer.

[0008] In some embodiments of the utility model, at least one of the first base film and the second base film is organic material film;And / or, the first conductive layer and the second conductive layer are ITO layers.

[0009] In some embodiments of the present application, the first conductive layer is formed on the first base film by a magnetron sputtering process; and / or, the second conductive layer is formed on the second base film by a magnetron sputtering process.

[0010] According to some embodiments of the present application, the metal film is a silver film, an aluminum film, a copper film, or a gold film, or a film layer formed by a mixture of silver, aluminum, copper, and gold; and / or, the thickness of the first glass layer and the second glass layer is 1.6mm-2.3mm.

[0011] According to some embodiments of the present application, a first adhesive film is arranged between the first glass layer and the light-adjustable film, and a second adhesive film is arranged between the second glass layer and the light-adjustable film.

[0012] In some embodiments of the present application, at least one of the first adhesive film and the second adhesive film is a PVB layer, an EVA layer, an SGP layer, a PVE layer, or a TPU layer; and / or, the thickness of the first adhesive film and the second adhesive film is 0.2mm-0.8mm.

[0013] According to some embodiments of the present application, at least one of the first glass layer and the second glass layer is a soda-lime glass, a high-alumina glass, or a borosilicate glass.

[0014] According to some embodiments of the present application, at least one of the first glass layer and the second glass layer is white glass, green glass, or gray glass.

[0015] The vehicle according to the embodiments of the present application comprises the heat-insulating light-adjustable glass described above.

[0016] The vehicle according to the embodiments of the present application, by arranging the heat-insulating light-adjustable glass described above, and arranging the metal film in the light-adjustable film, the light-adjustable film has the function of light adjustment, and can reflect the infrared waveband heat multiple times, thereby achieving good heat insulation effect.

[0017] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, with reference to the following figures, wherein:

[0019] Figure 1 is a schematic view of the heat-insulating light-adjustable glass according to the embodiments of the present application;

[0020] Figure 2is a schematic view of a dimming film of the heat-insulating dimming glass according to an embodiment of the present application;

[0021] Figure 3 is a schematic view of a dimming film of the heat-insulating dimming glass according to another embodiment of the present application.

[0022] Reference signs:

[0023] 100, heat-insulating dimming glass;

[0024] 1, first glass layer; 2, second glass layer; 3, first adhesive film; 4, second adhesive film;

[0025] 5, dimming film; 51, first base film; 52, second base film; 53, first conductive layer; 54, second conductive layer; 55, dimming layer; 56, metal film. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as limiting the present application.

[0027] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the features limited as "first" and "second" can be explicitly or implicitly included one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0028] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Reference will now be made to Figures 1-3 The heat-insulating dimming glass 100 according to the embodiments of the present application is described below.

[0030] As Figure 1 shown, in combination Figure 2 and Figure 3 , the heat-insulating dimming glass 100 according to the embodiments of the present application comprises a first glass layer 1, a second glass layer 2 and a dimming film 5.

[0031] Specifically, the first glass layer 1 and the second glass layer 2 are arranged in a stack, and the first glass layer 1 and the second glass layer 2 serve as the most basic glass elements of the heat-insulating dimming glass 100 and as a carrier for other components. The dimming film 5 is arranged in a stack between the first glass layer 1 and the second glass layer 2, that is, the dimming film 5 is arranged between the first glass layer 1 and the second glass layer 2 and arranged in a stack with the first glass layer 1 and the second glass layer 2. The dimming film 5 can adjust the color of the heat-insulating dimming glass 100, and can change the heat-insulating dimming glass 100 from a transparent state to a colored state, or from a colored state to a transparent state, thereby providing flexibility in light control.

[0032] Among them, the dimming film 5 has a metal film 56, the dimming film 5 can adjust the transmittance of visible light and can block a part of the heat of the transmittance of visible light, the metal film 56 can reflect infrared band heat multiple times, so that the heat-insulating dimming glass 100 has excellent heat-insulating and dimming performance.

[0033] In the related art, there are three technical solutions for heat insulation. The first technical solution is a laminated glass and sunshade curtain solution, the second technical solution is a laminated glass and heat insulation coating solution, and the third technical solution is a laminated glass, heat insulation coating and dimming function solution.

[0034] Among them, the first technical solution is a two-system solution, which integrates laminated glass and a sunshade curtain. The sunshade curtain is located below the laminated glass. It has no effect when used on an SUV vehicle, but when it is assembled as a panoramic sunroof on a car roof, the closer the sunshade curtain is to the middle part, the greater the amount of sagging, which reduces the vertical space and even touches the passenger's head. The second technical solution is to increase a heat-reflecting coating on the surface of the glass, which mainly reflects the heat of near-infrared and mid-infrared. Since this solution cancels the sunshade curtain, although the heat-reflecting coating is increased, the heat of the visible light part can still enter the vehicle. The third technical solution adds a dimming function layer based on the second solution. It can absorb or reflect the heat of the visible light band by adjusting the transmittance. However, a large amount of secondary radiation energy enters the vehicle after the third solution is exposed to the sun for a long time, which affects the comfort and causes a bad experience for the passengers.

[0035] According to the heat insulation light modulation glass 100 of the embodiment of the present application, the metal film 56 is arranged in the light modulation film 5, so that the light modulation film 5 has the function of light modulation and can reflect the infrared wave band heat multiple times, thereby achieving good heat insulation effect.

[0036] In some embodiments of the present application, as shown in Figure 2 and Figure 3 , the light modulation film 5 further comprises a first base film 51, a second base film 52, a first conductive layer 53, a second conductive layer 54 and a light modulation layer 55, the first base film 51 and the second base film 52 are arranged in layers, the first conductive layer 53 and the second conductive layer 54 are arranged in layers between the first base film 51 and the second base film 52, the first base film 51 and the second base film 52 can be used as the bearing carrier of the first conductive layer 53 and the second conductive layer 54, and the light modulation layer 55 is arranged in layers between the first conductive layer 53 and the second conductive layer 54.

[0037] The first conductive layer 53 and the second conductive layer 54 are used as transparent electrodes for transmitting current, thereby controlling the color change of the light modulation layer 55. The light modulation film 5 is an electrically controlled light modulation film, which can be a PDLC (polymer dispersed liquid crystal), an EC (Electrochromic) or an SPD (suspended particle) light modulation film. The type of the light modulation layer 55 is changed according to the type of the light modulation film 5, for example, the light modulation layer 55 of the PDLC is a liquid crystal microcapsule, the light modulation layer 55 of the EC light modulation glass is an electrochromic layer, an electrolyte layer and an ion storage layer.

[0038] In some examples of the present application, as shown in Figure 2 , the metal film 56 is arranged between the first base film 51 and the first conductive layer 53, and an insulating film is arranged between the metal film 56 and the first conductive layer 53, wherein the insulating film can be a silicon nitride film. In another example of the present application, as shown in Figure 3 , the metal film 56 is arranged on the side of the first base film 51 away from the first conductive layer 53, that is, the metal film 56 is arranged between the first glass layer 1 and the first base film 51. In this way, the diversity of the structure of the light modulation film 5 can be increased, and the light modulation film 5 can be processed according to different processes.

[0039] In some embodiments of the present application, at least one of the first base film 51 and the second base film 52 is an organic material film such as a PET (Polyethylene terephthalate) film. It can be understood that only the first base film 51 is an organic material film, or only the second base film 52 is an organic material film, or both the first base film 51 and the second base film 52 are organic material films. In the present application Figure 2 and Figure 3In the specific example, the first base film 51 and the second base film 52 are both PET films, and the PET has good mechanical properties, high impact strength, good folding resistance, low gas and water vapor permeability, high transparency, good UV blocking, and good gloss, so that the heat insulation and light modulation glass 100 has better transparency.

[0040] In some embodiments of the present application, the first conductive layer 53 and the second conductive layer 54 are ITO layers. The ITO conductive layer can be formed by sputtering indium tin oxide onto the surface of the first base film 51 and the second base film 52 through a magnetron sputtering process. In particular, before sputtering ITO, a layer of metal film 56 can be plated on the first base film 51 and the second base film 52 to reflect heat. The first base film 51 plated with the metal film 56 can be close to the outside of the heat insulation and light modulation glass 100, or close to the inside of the heat insulation and light modulation glass 100.

[0041] Of course, the present application is not limited to this, and the first conductive layer 53 and the second conductive layer 54 can also be graphene layers, which have small resistance, fast and uniform discoloration response.

[0042] In some embodiments of the present application, the first conductive layer 53 is formed on the first base film 51 by a magnetron sputtering process, and the second conductive layer 54 is formed on the second base film 52 by a magnetron sputtering process. In this way, the first conductive layer 53 can be provided on the first base film 51, and the second conductive layer 54 can be provided on the second base film 52, and the processing method is simple.

[0043] In some embodiments of the present application, the metal film 56 is a silver film, an aluminum film, a copper film, or a gold film, or a film layer formed by a mixture of silver, aluminum, copper, and gold. In this way, the infrared waveband heat can be better reflected multiple times, so that the heat insulation and light modulation glass 100 has excellent heat insulation and light modulation performance.

[0044] In some embodiments of the present application, the thickness of the first glass layer 1 and the second glass layer 2 is 1.6-2.3mm. For example, the thickness of the first glass layer 1 and the second glass layer 2 can be the same or different, and the thickness of the first glass layer 1 and the second glass layer 2 can be 1.7mm, 1.8mm, 1.9mm, 2mm, 2.1mm, 2.2mm or 2.3mm, etc. When the thickness of the first glass layer 1 and the second glass layer 2 is 1.6-2.3mm, the strength of the heat insulation and light modulation glass 100 can be guaranteed, and the material cost can be saved.

[0045] In some embodiments of the utility model, first glass layer 1 and light modulation film 5 between being equipped with first adhesive film 3, second glass layer 2 and light modulation film 5 between being equipped with second adhesive film 4, first adhesive film 3 is used for bonding first glass layer 1 and light modulation film 5, and second adhesive film 4 is used for bonding second glass layer 2 and light modulation film 5, so that the heat insulation light modulation glass 100 is bonded as a whole, and the reliability of the structure of heat insulation light modulation glass 100 is improved.

[0046] In some embodiments of the utility model, at least one of first adhesive film 3 and second adhesive film 4 is PVB (polyvinyl butyral) layer, EVA (ethylene-vinyl acetate copolymer) layer, SGP (ionic interlayer film) layer, PVE (modified ethylene-vinyl acetate copolymer) layer or TPU (polyurethane film) layer. It can be understood that only first adhesive film 3 is PVB layer, EVA layer, SGP layer, PVE layer or TPU layer, or only second adhesive film 4 is PVB layer, EVA layer, SGP layer, PVE layer or TPU layer, or first adhesive film 3 and second adhesive film 4 are PVB layer, EVA layer, SGP layer, PVE layer or TPU layer. Thus, appropriate first adhesive film 3 and second adhesive film 4 can be selected as needed.

[0047] In some embodiments of the utility model, the thickness of first adhesive film 3 and second adhesive film 4 is 0.2mm-0.8mm. Among them, the thickness of first adhesive film 3 and second adhesive film 4 can be the same or different. The thickness of first adhesive film 3 and second adhesive film 4 can be 0.38mm, 0.52mm or 0.76mm. Thus, the reliability of bonding between first glass layer 1 and light modulation film 5 and between second glass layer 2 and light modulation film 5 can be improved, and cost can be saved, avoiding that heat insulation light modulation glass 100 is too thick.

[0048] In addition, first adhesive film 3 and second adhesive film 4 can be selected in different colors or different transmittances, for example, a gray film with a transmittance of 30% and a light gray film with a transmittance of 60% can be selected respectively.

[0049] In some embodiments of the utility model, at least one of first glass layer 1 and second glass layer 2 is soda-lime glass, high-aluminum glass or borosilicate glass. Among them, first glass layer 1 and second glass layer 2 can be the same or different, when the first glass and the second glass are the same, first glass layer 1 and second glass layer 2 can be soda-lime glass, high-aluminum glass or borosilicate glass. Thus, appropriate form of glass can be selected as needed. Among them, soda-lime glass and high-aluminum glass can be original sheet glass, physical toughened glass or chemical toughened glass.

[0050] In some embodiments of the present invention, at least one of the first glass layer 1 and the second glass layer 2 is made of white glass, green glass, or gray glass. The first glass layer 1 and the second glass layer 2 can be the same or different. If the first glass layer 1 and the second glass layer 2 are the same, both can be made of white glass, green glass, or gray glass. This allows users to select the appropriate glass type to meet their needs. The first glass layer 1 and the second glass layer 2 can be either online-coated or offline-coated glass.

[0051] In some embodiments of the present invention, a heat-reflective metal film layer may be coated on the first glass layer 1 and the second glass layer 2, thereby improving the heat insulation effect of the heat-insulating switchable glass 100. The heat-reflective film layer may be provided on at least one of the two sides of the first glass layer 1 and the second glass layer 2 in the thickness direction.

[0052] In the present application, by adjusting the combination of the first glass layer 1, the second glass layer 2, the first adhesive film 3 and the second adhesive film 4, the visible light transmittance range can be reduced, thereby blocking a part of the heat of the visible light transmittance, and then compounding the dimming film 5, it can have both a transparent effect in the bright state and a privacy effect in the dark state.

[0053] The following describes the heat-insulating switchable glass 100 according to two specific embodiments of the present invention, wherein the same components are designated by the same reference numerals. It is understood that the following description is intended to explain the present invention and is not to be construed as limiting the present invention.

[0054] Example 1

[0055] like Figure 2 and Figure 3 As shown, the main structure of the heat-insulating switchable glass 100 of this embodiment is as follows Figure 1 As shown, the structure of the dimming film 5 is as follows Figure 2 Figure 1 Figure 2 As shown, the product structure consists of a first glass layer 1, a first adhesive film 3, a dimming film 5, a second adhesive film 4, and a second glass layer 2. The first glass layer 1 is gray glass, the first adhesive film 3 is transparent PVB, the dimming film 5 is a PDLC dimming film 5, the second adhesive film 4 is transparent PVB, and the second glass layer 2 is a white glass heat-reflective film. The thickness of the first and second glass layers 1 and 2 is 2.1 mm. The dimming film 5 includes a first base film 51, a first conductive layer 53, a dimming layer 55, a second conductive layer 54, and a second base film 52, which are stacked in sequence. The dimming film 5 also includes a metal film 56, which is disposed between the first base film 51 and the first conductive layer 53. The dimming range of this embodiment is 2% to 16%, the haze is 99% when the power is off, and 1.2% when the power is on. The total solar transmittance (TTS) is 18% when the power is off.

[0056] Example 2

[0057] The embodiment is substantially the same as the structure of the first embodiment, except that the metal film 56 is arranged on the side of the first base film 51 away from the first conductive layer 53, i.e. between the first base film 51 and the first glass layer 1. The light modulation range of this embodiment is 3% to 15%, the haze when power off is 99%, the haze when power on is 2%, and the total solar energy transmittance TTS when power off is 16%.

[0058] It should be noted that the power on in the above embodiments refers to a voltage of 60V, and the power off refers to no voltage.

[0059] A vehicle according to an embodiment of the present application is described below.

[0060] The vehicle according to an embodiment of the present application comprises the heat-insulating light modulation glass 100 described above, wherein the heat-insulating light modulation glass 100 can be at least one of the front windshield, the window glass, the rear windshield and the canopy glass of the vehicle.

[0061] The vehicle according to an embodiment of the present application, by arranging the heat-insulating light modulation glass 100 described above and arranging the metal film 56 in the light modulation film 5, can not only modulate light, but also reflect infrared waveband heat multiple times, thereby achieving good heat insulation effect.

[0062] Other configurations and operations of the vehicle according to an embodiment of the present application are known to those skilled in the art, and will not be described in detail here.

[0063] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to 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.

[0064] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A thermally insulated switchable glass, characterized in that The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass.

2. The heat-protective dimming glass according to claim 1, wherein, The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass.

3. The thermally improved switchable glass according to claim 2, wherein, The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass.

4. The heat- insulating dimming glass according to claim 2, wherein The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass.

5. The thermally improved switchable glass of claim 1, wherein, The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass.

6. The thermally improved switchable glass of claim 1, wherein, The application relates to a heat-insulating light-adjusting glass.

7. The thermally improved switchable glass according to claim 6, wherein, The application relates to a heat-insulating light-adjusting glass. The application relates to a heat-insulating light-adjusting glass.

8. The thermally improved switchable glass of claim 1, wherein, The application relates to a heat-insulating light-adjusting glass.

9. The thermally improved switchable glass of claim 1, wherein, The application relates to a heat-insulating light-adjusting glass.

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