2042 results about "Laminated glass" patented technology

The utility model provides a laminated glass flat pressing machine, which relates to the technical field of glass flat pressing equipment, and comprises a fixed plate, four ends of the bottom of the fixed plate are provided with support columns, the fixed plate is internally provided with a fixed groove, the fixed groove is internally provided with a clamping device, two ends of two sides of the fixed plate are provided with connecting plates, and the two ends of the fixed plate are respectively provided with a clamping device. The four connecting plates are equally divided into two groups, first guide rods are installed on the opposite faces of the two groups of connecting plates, the surfaces of the two first guide rods are movably sleeved with moving frames, moving grooves are formed in the inner sides of the moving frames, and rolling devices are arranged in the moving grooves. According to the laminated glass flattening device, the limiting groove, the first forward and reverse motor and the second forward and reverse motor are electrically connected with the external controller, and laminated glass needing to be flattened is placed on the top of the fixing plate; the first forward and reverse motor is started through an external controller to drive the two-way threaded rod to rotate, and meanwhile the movable rod is driven to move in the direction opposite to or opposite to the direction of the second guide rod.

According to the laminated glass and the vehicle provided by the embodiment of the invention, the permeability of the function display area of the laminated glass can be improved, and the visibility of a driver and passengers to the outside of the vehicle is improved. The laminated glass comprises a glass substrate and a functional reflecting layer, the functional reflecting layer is arranged on the inner surface of the glass substrate, and the functional reflecting layer is used for reflecting projection light; the laminated glass comprises a visual field area, a function display area and a shielding area, the function display area comprises at least one semitransparent display area located between the visual field area and the shielding area, and the total visible light transmittance of the semitransparent display area is smaller than or equal to the total visible light transmittance of the visual field area and larger than the total visible light transmittance of the shielding area. The semitransparent display area is at least partially covered by the functional reflecting layer; the main image transmittance TL1 of the part, covered by the functional reflecting layer, of the semitransparent display area is larger than or equal to 10%; the ratio TT12 of the main image transmissivity TL1 and the auxiliary image transmissivity TL2 of the part, covered by the functional reflection layer, of the semitransparent display area is larger than or equal to 15.

Modified resin and SGP laminated resin are mixed, extruded and subjected to film casting to prepare a laminated sheet, the laminated sheet is placed between two pieces of glass to be pressed at a high temperature, when the modified resin and the SGP laminated resin are molten, double bonds on the modified resin can be grafted with molecular chains on the SGP laminated resin, and the SGP laminated glass is formed. A main body of a molecular chain of the modified resin is a polyurethane structure containing an organic silicon chain segment, the heat insulation effect of the SGP laminated resin can be improved, and the modified filler contains a multi-cavity structure, so that the heat insulation effect is further improved; and a titanium-containing organic silicon resin chain segment in the modified resin, tin dioxide on the surface of the modified filler and a benzotriazole structure in the modified resin can increase the absorption of ultraviolet rays by the laminated film and reduce the irradiation of the ultraviolet rays.

The invention discloses an intelligent suspension conveying device for laminated glass production, and relates to the technical field of intelligent suspension conveying devices, the intelligent suspension conveying device comprises a guide rail frame and a plurality of suckers, the guide rail frame is slidably provided with a suspension frame, and the suspension frame is provided with a moving structure for driving the plurality of suckers to move. The device has the advantages that the device has the capacity of adapting to plane glass and curved glass, the adsorption angle and the fitting degree can be adjusted in a self-adaptive mode according to the arc-shaped contours of the laminated glass with different curvatures, the stability in the hanging and conveying process is guaranteed, the damage risk caused by unstable adsorption of a traditional device is avoided, frequent manual setting operation is not needed in the whole process, and the production efficiency is improved. Meanwhile, the adsorption force can be intelligently matched with the thickness of the glass, so that the ultra-thin glass is prevented from being pressed and damaged, the adsorption failure of the thick plate glass is prevented, manual parameter calibration is not needed, manual intervention errors are reduced, and the suspension conveying efficiency is improved.

The invention provides electric heating glass and a vehicle window assembly. The electric heating glass comprises laminated glass and a heating element, and the laminated glass is provided with a sensor visual field area and a windscreen wiper stop area. The heating power density E1 of the first sub-heating element in a sensor view area is 450 W / m < 2 > to 1800 W / m < 2 >, the heating power density E2 of the second sub-heating element in a windscreen wiper staying area is 450 W / m < 2 > to 1800 W / m < 2 >, and the diameter of the first sub-heating element is not equal to that of the second sub-heating element. According to the electric heating glass and the vehicle window assembly provided by the invention, the heating element is used for quickly removing fog, frost, snow and ice; the diameter and the heating power density of the heating element are limited, so that the heating precision and the energy utilization rate are improved; in addition, the sensor view area and the windscreen wiper staying area can be independently heated or heated at the same time, the heating requirements of different scenes are met, and the heating effect of the electric heating glass is improved.

The utility model relates to the technical field of laminated glass, in particular to a laminated glass cold vacuumizing edge sealing device which comprises a fixing frame, a motor is fixedly installed on the upper surface of the fixing frame, and the output end of the motor is fixedly connected with a connecting column. A first two-way screw rod is rotated to drive two clamping plates to clamp a laminated glass body, a motor is started to drive a connecting frame to rotate around the central axis of a connecting column through the connecting column, and in the process, the clamping plates can move along the edge of the laminated glass body, so that the laminated glass body is conveniently clamped. The spring can be stretched according to different rotating angles of the connecting frame, and the clamping plate is attached to the laminated glass body under the action of resilience force of the spring until the clamping plate surrounds the laminated glass body by a circle, so that the glue sealing machine seals the edge of the laminated glass body through the glue sealing pipe; and therefore, the effect that the laminated glass bodies in different shapes can be laminated and sealed by the clamping plates through the tension of the springs is achieved.

The invention provides a manufacturing process of high-heat-insulation ray-proof antibacterial glass. The high-heat-insulation ray-proof antibacterial glass comprises outer-layer glass, a middle functional layer, inner-layer glass and an extensible layer, the manufacturing process comprises a PVB adhesive film preparation process and a laminated glass whole process, wherein the PVB adhesive film preparation process specifically comprises the steps of raw material mixing, melt extrusion, tape casting and coiling; the whole process of the laminated glass comprises the steps of glass pretreatment, interlayer assembly, high-temperature and high-pressure forming and post-treatment and quality inspection. According to the design scheme of the multi-film composite laminated glass, based on the structural characteristics of the laminated glass, a layered ray-blocking customized glass scheme is provided in combination with the combination of heat-insulating PVB films and other films with different functions, and the scheme is suitable for scenes such as sunlight rooms, agricultural planting or market curtain walls and the like.

The invention discloses a production process of tempered laminated glass, which belongs to the technical field of tempered glass, and comprises the following steps: strictly screening raw sheets, carrying out three-zone gradient tempering, namely, mutually combining 680-700 DEG C temperature zone temperature control and 8-12kPa gradient wind pressure quenching, and precisely compounding by using a PVB interlayer to obtain the tempered laminated glass. 23 DEG C / 30% RH pre-balancing, 0.5 mm vacuum positioning and 120-140 DEG C rolling initial pressing are combined, and then high-pressure kettle staged curing, namely, the process of heat preservation for 120 minutes at 1.2 MPa / 135 DEG C and the process of gradient cooling at the temperature smaller than or equal to 15 DEG C / h are combined, so that the finally prepared tempered glass product has high optical performance, namely distortion smaller than or equal to 0.1 mm / mm, high impact resistance, namely no penetration in 1m steel ball falling and excellent weather resistance; degumming is avoided in the environment of 85 DEG C / 85% RH / 500 h, and accurate control over the whole process from materials to finished products is achieved. Therefore, the production process of the tempered laminated glass solves the technical problem of how to improve the production efficiency of the tempered laminated glass.

The invention provides laminated glass, a manufacturing method thereof and a vehicle. The laminated glass comprises a glass body and a first heating layer. The glass body comprises an outer glass plate, a bonding layer and an inner glass plate which are arranged in a laminated manner, the bonding layer is used for bonding the outer glass plate and the inner glass plate together, and the glass body is provided with a signal transmission area for a signal of a sensor to transmit. The first heating layer is fixedly arranged on the bonding layer, the first heating layer comprises a transparent heating film made of a carbon nanotube material, the orthographic projection of the transparent heating film on the glass body at least covers the signal transmission area, and the transparent heating film is used for generating heat when being electrified. In the laminated glass provided by the invention, at least the transparent heating film covering the signal transmission area is made of the carbon nanotube material, and the appearance is transparent and invisible, so that the influence on the signal transmission rate of the sensor can be reduced or even avoided, and the working effect of the sensor can be improved.

The invention provides laminated glass and a vehicle. The laminated glass comprises a first glass plate, an infrared reflection layer, a bonding layer, a second glass plate and a low-transmittance heat insulation layer, the low-transmittance heat insulation layer comprises at least one absorption function layer, the visible light transmittance TL1 of the laminated glass is smaller than or equal to 15%, and the transmission index A of the laminated glass is larger than or equal to 10; the transmission index A is equal to TL1 / (TE * TL3). According to the laminated glass, the low-transmittance heat insulation layer and the infrared reflection layer are used together, so that the laminated glass has relatively low visible light transmittance TL1 and relatively low radiance e, and a deep colored PVB (Polyvinyl Butyral) membrane in related technologies can be omitted, so that the laminated glass has the effects of low cost, simplicity in manufacturing and production and privacy protection; the laminated glass has a lower total solar transmittance TTS, so that the laminated glass can better block heat, a sunshade curtain in a vehicle is omitted, and a larger height space in the vehicle is obtained.

The micro-modular house measures a maximum of 3 meters wide on the outside and between 6 and 12 meters long, and its internal room height is at least 2.30 m. As a special feature, it can be transported by road, which means that it can be transported at anytime and anywhere without special permission for exceptional transport, where an open road leads. It has a casing that extends all around and consists of a layered structure made of heat-insulating composite panels or laminated panels that extends all the way up to the windows and doors, for the floor, walls and ceiling, while the windows have plastic frames. Wood, aluminum or combinations thereof and include double or triple laminated glass. The front side forms a full-surface window front, so that the shell is nowhere penetrated by a heat-conducting part from the inside to the outside and offers a thermal insulation value U of at least 0.18 W / m2K everywhere. Within this shell and parallel to all of its outer edges, an inherently stable steel grid frame runs completely integrated into it. The micro-modular house can be lifted at the four upper corners of this steel grid frame.

The present application discloses a head-up display glass and a head-up display system. The head-up display glass includes laminated glass and a reflective film layer; the laminated glass includes an outer glass plate, a polymer interlayer, and an inner glass plate; the reflective film layer includes an inner barrier layer, an improvement layer, and at least one laminated structure arranged in a stacked manner. The inner barrier layer can block the damage of alkali metal ions on the glass surface to the improvement layer during the heat treatment process and block the oxidation of the improvement layer caused by the diffusion of oxygen. The improvement layer can further improve the reflectivity of the reflective film layer to P-polarized light while maintaining a low reflectivity of the reflective film layer to visible light, so that when the driver inside the vehicle visually observes the reflective image of the head-up display glass, only the reflective image of the reflective film layer can be observed, thus eliminating the visual ghosting phenomenon; moreover, the reflectivity of the head-up display glass in the present application to visible light is less than or equal to 15%, and no obvious reflection phenomenon can be observed inside the vehicle.

The present invention relates to a method for producing a piece of reinforced laminated glass (1) comprising: a piece of curved glass (1a), which has a first surface (2), a second surface (3) and an edge (4); at least one polycarbonate sheet (5); and at least one adhesive film (6), wherein the method comprises the following steps: subjecting the at least one polycarbonate sheet (5) to a shaping process such that it adopts the curvature of the curved glass (1a); forming an assembly (10) by placing the at least one adhesive film (6) between one of the surfaces (2, 3) of the curved glass (1a) and the at least one polycarbonate sheet (5) and, where appropriate, between contiguous polycarbonate sheets (5); subjecting the assembly (10) to a prelamination process and to a lamination process such that at least one of the surfaces (2, 3) of the curved glass (1a) is joined to one or more polycarbonate sheets (5), the sheets being joined together.

The application provides a coated glass, a preparation method thereof and a laminated glass. The coated glass comprises a first substrate and a coating structure. The coating structure is arranged on at least one surface of the first substrate. The coating structure comprises at least one functional stack and at least one ZrOx layer. Each functional stack comprises a metal layer and two dielectric layers. The metal layer is arranged between the two dielectric layers. The ZrOx layer is arranged on the side of the dielectric layer away from the metal layer. X satisfies 1 < x < 2. The refractive index n of the ZrOx layer satisfies the range of 2.00 < n < 2.18. The technical scheme provided by the application can improve the hardness of the coating structure on the coated glass, thereby improving the scratch resistance and processing performance of the coated glass.

Aspects of the disclosure include using piezoelectric devices to break laminated glass assemblies on demand (e.g., a windshield of a vehicle). An exemplary vehicle includes a laminated glass panel having an outer glass layer, an inner glass layer, and a bonding layer between the outer glass layer and the inner glass layer. The vehicle further includes a piezoelectric device including an actuator and a displaceable element coupled to the actuator. The actuator is made of a piezoelectric material that, responsive to receiving an activation voltage, induces a mechanical displacement in the displaceable element against at least one of the outer glass layer and the inner glass layer. The vehicle includes a controller electrically coupled to the actuator. The controller is configured to deliver the activation voltage to the actuator.

The viewing window for the roof of the passenger train comprises an outer frame, the outer frame is of a hollow frame structure, the outer frame is of an arc-shaped structure with the middle protruding, a display assembly is installed in the outer frame, the display assembly is matched with the bent shape of the outer frame, the display assembly comprises a first transparent plate and a second transparent plate, and the first transparent plate is connected with the second transparent plate. The first transparent plate and the second transparent plate are glued and fixed, the first transparent plate is arranged on the outer side of the second transparent plate, the second transparent plate is close to the inner side of a carriage, a liquid crystal dimming film is arranged between the first transparent plate and the second transparent plate, and the liquid crystal dimming film is connected with a voltage or current control circuit in a vehicle body to change the light transmittance of the liquid crystal dimming film. According to the viewing window for the roof of the passenger train, in the display assembly, the laminated glass and single-layer glass structure is adopted to be bonded with the liquid crystal dimming film, the intensity of light in the train can be manually adjusted according to different time periods and illumination conditions, and more comfortable, safer and more environment-friendly travel experience is provided for passengers.

The invention relates to laminated glass, a glass assembly and a carrying tool, and can solve the problems that the injection molding yield of the laminated glass is influenced and the delivery timeliness rate of an injection molding product is influenced by a laminated glass edge covering forming mode in the related technology. The laminated glass comprises a first glass piece, a middle layer and a second glass piece which are stacked, wherein the middle layer is clamped between the first glass piece and the second glass piece; wherein the middle layer is provided with a first edge, the first glass piece and the second glass piece cover the first edge, and a gap is formed between the first glass piece and the second glass piece on the side corresponding to the first edge.

A glazed assembly includes a monolithic or laminated glazing and a finishing joint and / or seal, the glass sheet of the monolithic glazing, or, respectively, an outer sheet of the laminated glazing, these being referred to as “considered glass sheet”, including an outer first face and a second face separated by an edge face including a first curved part connected to the first face, a second curved part connected to the second face, and a flat part connecting the first and second curved parts together, the intersection between the flat part and a curved part being made up, in a cross-section, of a single point, the seal or joint including a contact part opposite the edge face and including a flat face in contact with the flat part, and a first protuberance in the continuation of the flat face and covering the entire curved part connected to the outer face.

The invention discloses a production method of nano-silicon composite fireproof glass, which comprises the following steps: compounding amino nano-silicon dioxide with a modified zinc-aluminum flame retardant to prepare a coated silicon-based filler, and compounding the coated silicon-based filler with nickel-titanium bimetal MOF to obtain a composite silicon-based flame-retardant filler; the preparation method comprises the following steps: mixing a mixed solution of silica sol, water-soluble silicone oil, a composite silicon-based flame-retardant filler, potassium hydroxide and sodium hydroxide with ethylene glycol, filling laminated glass with the mixed solution, and sealing and curing to obtain the nano-silicon composite fireproof glass. The nano-silicon composite fireproof glass has high light transmittance and high fire resistance, the zinc-aluminum flame retardant and the nickel-titanium bimetal MOF which have flame retardance are compounded on the nano-silicon dioxide to obtain a composite silicon-based flame-retardant filler, and the zinc-aluminum flame retardant and the nickel-titanium bimetal MOF generate a synergistic effect through compounding of a multi-layer core-shell structure, so that the flame-retardant performance of the nano-silicon composite fireproof glass is improved, and the flame-retardant performance of the nano-silicon composite fireproof glass is improved. The flame-retardant and fire-resistant performance of the composite silicon-based flame-retardant filler is improved, and the influence of the flame retardant on the light transmission of the nano-silicon composite fireproof glass is reduced.

The utility model discloses a multi-layer heat insulation laminated glass structure which comprises an outer frame, an inner sealing frame and a plurality of pieces of laminated glass, the inner sealing frame is installed in the outer frame, an installation groove is formed between the outer frame and the inner sealing frame, the laminated glass is installed in the installation groove, the inner side faces of the laminated glass abut against the end face of one side of the inner sealing frame, and the inner sealing frame is installed in the installation groove. Grooves are formed in the two sides of the outer frame, connecting openings communicated with the mounting grooves are formed in the tops and the bottoms of the grooves, U-shaped plates are arranged in the grooves, the two side plates on the U-shaped plates penetrate through the connecting openings, and the inner side faces of the U-shaped plates abut against the outer side face of the laminated glass. According to the utility model, the structure is simple, the multi-layer laminated glass can be quickly assembled and disassembled through the U-shaped plate, and after the multi-layer laminated glass is assembled, a sealed hollow layer can be formed among the plurality of pieces of laminated glass through the outer frame and the inner sealing frame, so that the heat-insulating and mute effects are improved.

The present invention concerns a laminated solar control glazing comprising an outer glass pane (1) and an inner glass pane (4), united by a thermoplastic intercalating sheet (3) and a solar control coating (2) applied to at least part of the inside face of the outer glass, the solar control coating (2) being such that the exterior visible light reflectance of the laminated solar control glazing RLext is at least 35% and the exterior solar energy reflectance of the laminated solar control glazing REext is at least 45%.

The invention discloses a loading device for a corner cold bending test of hollow laminated glass, and relates to the technical field of test loading devices. Comprising an adapter base, a mounting frame is mounted on the adapter base, a nut lifting type lifter is mounted at the position, close to the adapter base, of the mounting frame, a lead screw lifting type lifter is mounted on the mounting frame, and the lead screw lifting type lifter is detachably connected with a pressure sensor. The lower side of the pressure sensor is detachably connected with a floating connector, the lower side of the floating connector is detachably connected with a mounting shell, and annularly-distributed main supporting rods and annularly-distributed secondary supporting rods are slidably connected into the mounting shell in a limited mode. The size of the loading area is changed by changing the size of the area defined by the main supporting rods and the secondary supporting rods, different loading blocks do not need to be replaced for multiple times, the time needed by the test is saved, meanwhile, the test steps are reduced, and the test efficiency is improved.

Provided is a vehicular windowpane which has a simple structure, and which includes a frame body that covers an outer edge of laminated glass in which a thin electrical member is provided between two glass sheets.　The vehicular windowpane comprises: laminated glass that includes a first glass sheet having first and second main surfaces and a first side surface, a second glass sheet having third and fourth main surfaces and a second side surface, and an intermediate film; a thin electrical member that is provided between the second and third main surfaces; wiring that extends along the third main surface, the second side surface, and the fourth main surface between a first end portion connected to the thin electrical member between the second and third main surfaces, and a second end portion provided on the fourth main surface; a resin frame body that covers an outer edge of the laminated glass and the wiring; a cable that has one end connected to the second end portion of the wiring and the other end connected to a wire harness on a vehicle body side; and a holding member that is provided on the fourth main surface, is covered by the frame body, and holds the cable.

The invention provides a coated substrate, laminated glass and a vehicle. The film-coated substrate comprises a substrate body and a film-coated element arranged on at least one side of the substrate body, the film-coated element comprises at least two light absorption layers and a high-refractive-index layer arranged between the two light absorption layers, the light absorption layers are made of at least one material selected from W, Ni, Cr, Ti, Nb, Mo, Si and Zr, and the refractive index of the high-refractive-index layer is larger than or equal to 1.8 at the position of light with the wavelength of 550 nm. By adopting the film-coated element composed of the light absorption layer and the high-refractive-index layer, the film-coated substrate has lower visible light transmittance TL1 and lower light reflectivity RL, and the shielding function of an ink area in related technologies is met. Moreover, the coating element is arranged on the substrate in a coating high-temperature sintering manner, so that the damage to the substrate due to the arrangement of a printing ink area in the related technology can be reduced, the impact resistance of the edge part of the substrate is improved, the probability of fracture of the substrate is reduced, and the structural strength of the coating substrate is improved.

Vehicle window glass (0) and a vehicle (3). The vehicle window glass (0) comprises laminated glass (1) and an anti-reflection layer (2); the laminated glass (1) is provided with a heating area (11) and an information acquisition area (12), and the information acquisition area (12) is located within the heating area (11); the laminated glass (1) comprises an inner surface (102) and an outer surface (101), the anti-reflection layer (2) is arranged on the inner surface (102) of the laminated glass (1), and in the thickness direction of the laminated glass (1), the projection of the anti-reflection layer (2) on the inner surface (102) completely covers the information acquisition area (12); the heating area (11) comprises a plurality of heating wires (13), the plurality of heating wires (13) are arranged between the inner surface (102) and the outer surface (101) of the laminated glass (1), and the plurality of heating wires (13) are located between two ends of the laminated glass (1) and extend in the longitudinal direction; the diameter of each heating wire (13) ranges from 0.021 mm to 0.03 mm, and the distance between every two adjacent heating wires (13) ranges from 2.1 mm to 3.5 mm.

Provided in the present application are coated glass and a preparation method therefor, and laminated glass. The coated glass comprises a first substrate and a coating structure, which is arranged on at least one surface of the first substrate. The coating structure comprises at least one functional laminated layer and at least one ZrOx layer, wherein each functional laminated layer comprises a metal layer and two dielectric layers, the metal layer being located between the two dielectric layers; and the ZrOx layers are located on the sides of the dielectric layers away from the metal layer, x satisfying 1<x≤2, and the refractive index n of each ZrOx layer satisfying the range: 2.00≤n≤2.18. The technical solution provided in the present application can increase the hardness of the coating structure on the coated glass, thereby improving the scratch resistance and processing resistance of the coated glass.

A method of controlling or changing a bow or curvature in laminated glass structures includes heating a thermoplastic polymer of a laminated glass structure having an initial curvature. A force is utilized to change the curvature, and the laminated structure is cooled to harden the thermoplastic polymer, upon cooling, whereby the laminated glass structure has a curvature that is different than the initial curvature.

The utility model discloses a window breaking hammer for double-layer laminated glass, which relates to the field of automobile safety instruments, and comprises a grab handle and a hammer head, the hammer head is provided with a tapered wedge-shaped part, the end part of the hammer head is provided with a conical tip, one side facing the grab handle is provided with a cutting structure for cutting a glue film, the glass is broken and punctured through the conical tip, so that the front section of the hammer head enters, and the glass is broken through the cutting structure. And then, the grab handle is rotated by taking the non-penetrating part of the hammer head as a fulcrum, and the tough middle adhesive film is efficiently cut by the cutting structure according to the slope lever principle, so that the escape hole is quickly formed. In addition, an auxiliary sharp corner structure can be arranged at the tail part of the hammer head to cooperatively destroy the adhesive film; and a safety belt cutting device and an anti-falling flange are integrated on the grab handle or the hammer head, so that the multifunctionality and the operation safety are enhanced. The window breaking device solves the key problem that a traditional window breaking device cannot effectively process a laminated glass middle film, and is particularly suitable for automobile emergency window breaking escape.

Provided in the present application are coated glass and a preparation method therefor, and laminated glass. The coated glass comprises a first substrate and a coating structure, which is arranged on at least one surface of the first substrate. The coating structure comprises at least one functional laminated layer, each of which comprises a lower dielectric layer, a metal layer and an upper dielectric layer, which are sequentially stacked, wherein at least one of the lower dielectric layer and the upper dielectric layer comprises a ZrOx layer, x satisfying 1<x≤2, and the extinction coefficient k of the ZrOx layer being less than or equal to 0.0001. The technical solution in the present application enables the coating structure to have better levels of heat treatment stability and overall mechanical stability.

The invention discloses an impact-resistant laminated glass and a preparation process. The laminated glass comprises a first glass layer, a second glass layer and a composite intermediate layer arranged between the first glass layer and the second glass layer, wherein the composite intermediate layer comprises a stress concentration layer, a stress diffusion layer and a third glass layer arranged between the stress concentration layer and the stress diffusion layer; the thickness ratio among the stress concentration layer, the third glass layer and the stress diffusion layer is 0.6-1:1:1-1.5; the second glass layer, as the outer side of the vehicle window, has excellent impact resistance with the assistance of the stress diffusion layer, while the first glass layer, as the inner side of the vehicle window, can be more easily broken from inside the vehicle with the assistance of the stress concentration layer, thereby ensuring the safety of the vehicle and facilitating self-rescue of the driver and passengers in extreme driving environments, thereby protecting the lives of the passengers.