Laminated glass pane, car body, and track-guided vehicle for passenger transport

EP4646329A1Pending Publication Date: 2025-11-12SIEMENS MOBILITY GMBH
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Patent Information

Application Number
EP2024710664
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-03-10
Filing Date
2024-02-29
Publication Date
2025-11-12

AI Technical Summary

Technical Problem

Passengers in track-guided vehicles, such as rail vehicles, face inconsistent sunlight exposure due to large side windows and existing shading solutions that do not allow for individual control, affecting lighting comfort, especially when using devices like tablets or smartphones.

Method used

A laminated glass pane with at least two glass layers, a first and second electrically conductive layer, and a functional layer, where the conductive layers have interruptions to create segmental areas that can be individually controlled for varying degrees of darkening and opacity, allowing passengers to adjust lighting conditions for their seating area.

Benefits of technology

Enables improved lighting comfort by allowing individual control over shading and opacity in specific areas of the glass pane, accommodating the preferences of each passenger and enhancing the overall interior experience of track-guided vehicles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a laminated glass pane (100), in particular for a car body (1) of a track-guided vehicle for passenger transport, comprising at least two glass layers (10, 30, 40), at least one first electrically conductive layer (50), at least one second electrically conductive layer (60), and at least one functional layer (70), which is located between the first electrically conductive layer (50) and the second electrically conductive layer (60), wherein the at least one first electrically conductive layer (50) and the at least one second electrically conductive layer (60) each comprise a plurality of interruptions (80) extending from top to bottom for forming a plurality of functional regions (90) arranged one next to the other in the longitudinal direction Lv of the laminated glass pane (100).
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Description

[0001] Description

[0002] Laminated glass pane, car body and track-guided vehicle for passenger transport

[0003] The invention relates to a laminated glass pane for a rail-guided vehicle for passenger transport.

[0004] Furthermore, the invention relates to a car body comprising at least one such laminated glass pane.

[0005] Furthermore, the invention relates to a track-guided vehicle comprising at least one such laminated glass pane or one such car body.

[0006] Windows in track-guided vehicles, such as rail vehicles or magnetic levitation trains, are often made of laminated glass.

[0007] In addition to at least two layers of glass, laminated glass panes have a further layer made of plastic, cast resin or a highly tear-resistant, tough, elastic, thermoplastic composite film.

[0008] Passengers in passenger vehicles have individual perceptions of whether sunlight is disturbing or not. This also depends on whether a passenger finds sunlight dazzling when working with a tablet or smartphone. On the other hand, side windows in rail vehicles are so large that more than one row of seats is arranged behind a window. Particularly in car bodies using the so-called "empty tube" system, where the interior can be designed flexibly within a car body, the position of the seats relative to the window is not constant. Side windows have previously been fitted with blinds or a blackout function that creates shade across the entire window. A blind is pulled down by hand. Electrically switchable shading can be switched on manually by passengers or centrally.All concepts mean that the shading affects more than one row of seats and the individual wishes of the passengers cannot be fully taken into account.

[0009] Based on this, the invention is based on the object of creating a laminated glass pane of the type mentioned at the beginning, which allows individual darkening.

[0010] This object is achieved by the laminated glass pane according to claim 1. Furthermore, this object is achieved by the car body according to claim 8 and the track-guided vehicle according to claim 14.

[0011] According to the invention, a laminated glass pane is provided, in particular for a car body of a rail-guided vehicle for passenger transport. The laminated glass pane comprises at least two glass layers, at least a first electrically conductive layer, at least a second electrically conductive layer and at least one functional layer which is arranged between the first electrically conductive layer and the second electrically conductive layer. The at least one first electrically conductive layer and the at least one second electrically conductive layer each have a plurality of interruptions running from top to bottom, in order to form a plurality of functional regions arranged next to one another in the longitudinal direction of the laminated glass pane.According to the invention, a car body, in particular for a track-guided vehicle for passenger transport, comprising at least one laminated glass pane of this type or further developed as described below, at least one opening which is designed to receive the laminated glass pane and at least one seat arrangement is also provided.

[0012] Furthermore, according to the invention, a track-guided vehicle is provided, comprising at least one laminated glass pane such as described below or further developed as described below, or a car body such as described below or further developed as described below.

[0013] The track-guided vehicle for passenger transport may preferably be a rail vehicle.

[0014] Preferably, the laminated glass pane is a laminated glass pane of a side window of the car body.

[0015] The functional layer can be formed, for example, as an electrochromic coating or film, so that the light transmission can be changed by applying an electrical voltage. For this purpose, at least one first electrically conductive layer and at least one second electrically conductive layer are formed, which can be energized with an electrical voltage, so that a potential difference can be formed between these two layers.In order to form a plurality of functional areas formed in the longitudinal direction of the laminated glass pane for the segmental division of the laminated glass pane in the longitudinal direction of the laminated glass pane, a plurality of interruptions running from top to bottom are formed in each of the at least one first electrically conductive layer and the at least one second electrically conductive layer, so that the at least one first electrically conductive layer and the at least one second electrically conductive layer can be energized differently in each functional area.

[0016] The functional areas are thus formed in segments within the laminated glass pane. The inventive design makes it possible to shade individual areas, such as a row of seats.

[0017] This makes it possible to achieve improved lighting comfort for the user, for example in the interior of a car body of a rail-guided vehicle.

[0018] Such functionalities as a functional layer that can be changed in terms of the degree of darkening and / or opacity are also referred to as switchable glass in connection with laminated glass.

[0019] Glass with a variable degree of darkening becomes darker with increasing degree of darkening, whereby the effect of the darkening is similar to that of sunglasses or a tinted window.

[0020] Glass that can vary the degree of dimming is known as "Suspended Particle Device (SPD) Smart Glass" and is commercially available.

[0021] Glass with variable opacity becomes increasingly milky with increasing opacity, with the effect of the opacity being similar to that of frosted glass film or glazing. If the opacity is low, however, the glass is clear. Glass with variable opacity is known, for example, as "Polymer Dispersed Liquid Crystal (PDLC) Smart Glass" and is commercially available.

[0022] In a further development of the laminated glass pane, it can be provided that each of the functional areas formed next to one another in the longitudinal direction can be individually changed in terms of the degree of darkening and / or opacity.

[0023] This ensures that each functional area can be changed in terms of its degree of coverage and / or opacity, and that the individual functional areas can be changed gradually or selectively.

[0024] In a further development of the laminated glass pane, it can further be provided that a plurality of the functional areas formed next to one another in the longitudinal direction of the laminated glass pane are grouped so that the degree of darkening and / or opacity can be changed.

[0025] This ensures that a plurality of adjacent functional areas are grouped together so that their degree of dimming and / or opacity can be varied, and that sub-areas of the laminated glass pane can be varied in their degree of dimming and / or opacity. Thus, for example, a larger area suitable for overlapping an entire row of seats can be grouped together so that its degree of dimming and / or opacity can be varied.

[0026] It can further be provided in the design of the laminated glass pane that the at least one functional layer is formed continuously over the entire width of the laminated glass pane or at least continuously over the width of a visible area of ​​the laminated glass pane.

[0027] This makes it possible to arrange a continuous functional layer on the laminated glass pane, thereby simplifying the manufacture of the laminated glass pane. The arrangement and / or design of the functional layer is therefore not subject to any limitations in this regard. Only the at least one first electrically conductive layer and the at least one second electrically conductive layer each have a plurality of interruptions running from top to bottom, in order to form a plurality of functional regions arranged next to one another in the longitudinal direction of the laminated glass pane.

[0028] In a further development of the laminated glass pane, it can further be provided that the laminated glass pane has a control unit or is assigned to a control unit which has at least one separate first electrical connection to the at least one first electrically conductive layer for each functional area, and at least one separate second first electrical connection to the at least one second electrically conductive layer.

[0029] By providing a control unit it is ensured that each laminated glass pane can be controlled individually and the at least one first electrically conductive layer and the at least one second electrically conductive layer are each connected to the control unit by an electrical connection.

[0030] Furthermore, it can be provided that the laminated glass pane is further developed in such a way that the plurality of functional areas each have a width of 100mm to 400mm, preferably of 150mm to 350mm, further preferably of 200mm to 300mm.

[0031] This provides a discrete range of measurements for the width of the functional areas, which on the one hand allows sufficient individuality to be specified with regard to the variability of the degree of darkening and / or opacity and on the other hand allows the number of functional areas and the associated complexity of production and operation by the passenger to be limited.

[0032] In a further development of the laminated glass pane, it can further be provided that a plurality of functional areas arranged next to one another in the longitudinal direction, preferably on a width of 600 to 1150 mm, further preferably on a width of 700 to 1050 mm, in particular on a width of 750 to 1000 mm, are grouped and are designed so that the degree of darkening and / or opacity can be changed together.

[0033] This specifies a configuration which groups a plurality of functional areas arranged next to one another in the longitudinal direction, so that the laminated glass pane can be designed to be variable in terms of the degree of darkening and / or opacity across the width of a row of seats or seating arrangement.

[0034] In a further development of the car body, it can be provided that the seat arrangement is arranged in such a way that it is arranged in the longitudinal direction of the car body in the region of the laminated glass pane in such a way that a plurality of functional areas arranged next to one another in the longitudinal direction of the laminated glass pane form a partial area covering the seat arrangement in the longitudinal direction of the car body, which partial area is designed to be variable in terms of the degree of darkening and / or opacity when grouped.

[0035] This provides a configuration of the car body that allows a plurality of functional areas arranged side by side in the longitudinal direction to be grouped in such a way that, in an area overlapping a row of seats or a seating arrangement, the laminated glass panes are designed to be variable in terms of their degree of darkening and / or opacity. This provides a design that allows for individual adjustment of the degree of darkening and / or opacity for a passenger or a seating arrangement.

[0036] In the design of the car body, it can further be provided that the at least one seat arrangement is assigned a control unit which is operatively connected to the control unit of the laminated glass pane or comprises the control unit of the laminated glass pane and is designed so that the laminated glass pane can be adjusted in terms of the degree of darkening and / or opacity by the control unit.

[0037] This specifies an individual control unit for a laminated glass pane which is assigned to a seating arrangement, so that a passenger can change the degree of darkening and / or the opacity of the laminated glass pane or the functional areas of the laminated glass panes arranged next to one another in the area of ​​his seating arrangement.

[0038] In a further development of the car body, it can be provided that the control unit is arranged such that a passenger sitting on the seating arrangement can operate it. In the design of the car body, it is possible for the control unit to be arranged in the vertical direction of the car body above an armrest of the seating arrangement and preferably below the lower edge of the laminated glass pane. The operability is preferably arranged in the side wall of the car body.

[0039] This provides a location that is easily accessible and convenient for a passenger sitting on the seating arrangement. Furthermore, the control unit is independent of the seating arrangement, allowing the seating arrangement to be changed independently of the laminated glass pane and the control unit.

[0040] In a further development of the car body, it can further be provided that the car body has a central control unit, wherein the control unit and / or the operating unit is / are operatively connected to the central control unit, and wherein the central control unit is designed to change the degree of darkening and / or the opacity of the at least one functional area which has at least one laminated glass pane.

[0041] This specifies a configuration that allows all laminated glass panes of a car body to be controlled centrally by the central control unit and to change the degree of darkening and / or opacity.

[0042] The laminated glass pane preferably comprises a functional pane as an assembly, which comprises the at least two glass layers, the at least one first electrically conductive layer, the at least one second electrically conductive layer, and the at least one functional layer arranged between the first electrically conductive layer and the second electrically conductive layer. The invention will be explained below using an exemplary embodiment with reference to the drawing.

[0043] It shows :

[0044] Fig. 1 shows a schematic perspective view of a laminated glass pane according to the invention;

[0045] Fig. 2 shows a schematic sectional view of a portion of the laminated glass pane according to the invention; and

[0046] Fig. 3 shows a schematic sectional view of a laminated glass pane according to the invention in a car body of a track-guided vehicle for transporting people.

[0047] Fig. 1 and 2 show a schematic perspective view of a laminated glass pane 100 according to the invention. The laminated glass pane 100 is, in particular, a laminated glass pane 100 designed for a car body 1 of a rail-guided vehicle for passenger transport.

[0048] The laminated glass pane 100 comprises at least two glass layers 10, 30, 40, at least one first electrically conductive layer 50, at least one second electrically conductive layer 60, and at least one functional layer 70 arranged between the first electrically conductive layer 50 and the second electrically conductive layer 60. Fig. 3 shows a schematic sectional view of a laminated glass pane according to the invention in a car body 1 of a rail-guided vehicle for passenger transport.

[0049] The track-guided vehicle thus comprises at least one car body with at least one laminated glass pane 100.

[0050] The car body 1 is designed in particular for a rail-guided vehicle for passenger transport and comprises at least one laminated glass pane 100 and at least one opening designed to receive the laminated glass pane 100, and at least one seat arrangement 11. Preferably, the at least one opening is arranged in the side wall of the car body 1, and the laminated glass pane 100 is a side window of the car body 1.

[0051] As can be seen from Fig. 3, the laminated glass pane has a plurality of interruptions 80 extending from top to bottom. These interruptions are formed on the at least one first electrically conductive layer 50 and the at least one second electrically conductive layer 60.

[0052] The at least one first electrically conductive layer 50 and the at least one second electrically conductive layer 60 each have a plurality of interruptions 80 running from top to bottom, for forming a plurality of functional regions 90 arranged next to one another in the longitudinal direction L of the laminated glass pane 100.

[0053] The at least one functional layer 70 is preferably formed continuously over the entire width of the laminated glass pane 100 or at least continuously over the width of a viewing area S of the laminated glass pane 100. Each of the layers extending in the longitudinal direction L v The functional areas 90 of the laminated glass pane 100 formed next to one another are individually adjustable in terms of the degree of darkening and / or opacity.

[0054] Preferably, a majority of the longitudinal direction L vthe laminated glass pane 100 is formed with functional areas 90 grouped next to one another and variable in terms of the degree of darkening and / or opacity.

[0055] The laminated glass pane 100 further comprises a control unit or the laminated glass pane is assigned a control unit which has at least one separate first electrical connection 52 with the at least one first electrically conductive layer 50 for each functional area 90, and at least one separate second first electrical connection 62 with the at least one second electrically conductive layer 60.

[0056] The plurality of functional areas 90 each have a width of 100mm to 400mm, preferably of 150mm to 350mm, further preferably of 200mm to 300mm.

[0057] Furthermore, a plurality of longitudinally L vthe laminated glass pane is arranged side by side in functional areas 90, preferably over a width of 600 to 1150mm, further preferably over a width of 700 to 1050mm, in particular over a width of 750 to 1000mm, and is designed to be jointly variable in terms of the degree of darkening and / or opacity.

[0058] In the car body 1 , the seat arrangement 11 is arranged in such a way that it is arranged in the longitudinal direction L of the car body 1 in the region of the laminated glass pane 100 in such a way that a plurality of in the longitudinal direction L v the laminated glass pane 100 arranged side by side, form a partial area 12 covering the seating arrangement in the longitudinal direction L of the car body, which is designed to be variable in terms of the degree of darkening and / or opacity.

[0059] As can be seen from Fig. 3, at least one seat arrangement 11 is assigned a respective operating unit 13. The operating unit 13 is operatively connected to the control unit of the laminated glass pane 100 or the operating unit comprises the control unit of the laminated glass pane 100. The operating unit 13 is configured so that the degree of darkening and / or opacity of the laminated glass pane 100 can be variably adjusted by the operating unit 13. This adjustment can be made by a user sitting on the seat arrangement 11.

[0060] The operating unit 13 is arranged in such a way that a passenger sitting on the seat arrangement 11 can operate it.

[0061] As can be seen from Fig. 3, the operating unit 13 is arranged in the vertical direction H of the car body 1, above an armrest of the seat arrangement 11 and below the lower edge of the laminated glass pane 100.

[0062] Furthermore, it can be provided that the car body 1 and / or the rail-guided vehicle has a central control unit, wherein the control unit and / or the operating unit 13 is operatively connected to the central control unit, and wherein the central control unit is designed to change the degree of darkening and / or the opacity of the at least one functional region 90 of the at least one laminated glass pane 100. Preferably, the laminated glass pane 100 can have a functional pane which comprises the at least one functional layer 70, as well as the at least one first electrically conductive layer 50 and the at least one second electrically conductive layer 60. The functional pane has a second glass layer 30 and a third glass layer 40. The functional pane is shown in Fig. 2. In addition to the functional pane, the laminated glass pane can have a first glass layer 10. This is e.g.spaced from the second glass layer 30 by a spacer 80.

[0063] The longitudinal direction of the car body L preferably corresponds to the longitudinal direction of the laminated glass pane L v if the laminated glass pane is a side window.

[0064] In the design of the laminated glass pane 100, it can be provided that a plurality of functional layers 70, together with the respectively associated first electrically conductive layer 50 and the second electrically conductive layer 60, are formed one behind the other and thus the laminated glass pane has a plurality of functional layers 70 arranged one behind the other, with different functions.

[0065] The above disclosure applies equally to the car body 1 described above, comprising at least one laminated glass pane 100 designed as described above.

[0066] The above disclosure applies equally to a rail-guided vehicle comprising at least one laminated glass pane 100 designed as described above or a car body 1 designed as described above. Finally, it should be mentioned that the features of all the embodiments described above can be combined with one another in any desired manner to form further alternative embodiments of the invention. All features of subclaims can also be combined individually with any feature of any other claim, either individually or in any desired combination, to obtain further alternative embodiments.

[0067] Although the invention has been illustrated and described in detail by means of an embodiment, the invention is not limited by the disclosed examples and other variations can be derived therefrom by a person skilled in the art without departing from the scope of the invention.

[0068] Regardless of the grammatical gender of a particular term, persons with male, female or other gender identity are included.

Claims

Patent claims 1. Laminated glass pane (100), in particular for a car body (1) of a rail-guided vehicle for passenger transport, comprising at least two glass layers (10, 30, 40), at least one first electrically conductive layer (50), at least one second electrically conductive layer (60), at least one functional layer (70) which is arranged between the first electrically conductive layer (50) and the second electrically conductive layer (60), characterized in that the at least one first electrically conductive layer (50) and the at least one second electrically conductive layer (60) each have a plurality of interruptions (80) running from top to bottom, for forming a plurality of interruptions (80) extending in the longitudinal direction (L v ) of the laminated glass pane (100) arranged side by side functional areas (90).

2. Laminated glass pane (100) according to claim 1, characterized in that each of the longitudinally directed (L v) of the laminated glass pane (100) is designed so that the functional areas (90) formed next to one another can be individually changed in terms of the degree of darkening and / or opacity.

3. Laminated glass pane (100) according to claim 1 or 2, characterized in that a plurality of the longitudinally directed (L v ) of the laminated glass pane (100) are formed next to one another and are grouped so as to be variable in terms of the degree of darkening and / or opacity.

4. Laminated glass pane (100) according to one of the preceding claims, characterized in that the at least one functional layer (70) extends continuously over the entire width of the laminated glass pane (100) or at least continuously across the width of a viewing area (S) of the laminated glass pane (100).

5. Laminated glass pane (100) according to one of the preceding claims, characterized in that the laminated glass pane (100) has a control unit or is assigned to a control unit which has at least one separate first electrical connection (52) with the at least one first electrically conductive layer (50) for each functional area (90), and at least one separate second first electrical connection (62) with the at least one second electrically conductive layer (60).

6. Laminated glass pane (100) according to one of the preceding claims, characterized in that the plurality of functional areas (90) each have a width of 100mm to 400mm, preferably of 150mm to 350mm, further preferably of 200mm to 300mm.

7. Laminated glass pane (100) according to one of claims 3 to 6, characterized in that a plurality of longitudinally (L v) of the laminated glass pane arranged side by side, preferably over a width of 600 to 1150mm, further preferably over a width of 700 to 1050mm, in particular over a width of 750 to 1000mm, and are designed so as to be variable in terms of the degree of darkening and / or opacity.

8. Car body (1), in particular for a track-guided vehicle for passenger transport, comprising at least a laminated glass pane (100) according to one of the preceding claims, at least one opening which is designed is to accommodate the laminated glass pane (100) and at least one seating arrangement (11).

9. Car body (1) according to claim 8, characterized in that the seat arrangement (11) is arranged in such a way that it is arranged in the longitudinal direction (L) of the car body (1) in the region of the laminated glass pane (100) in such a way that a plurality of longitudinally (L v) of the laminated glass pane (100) arranged side by side, form a partial area (12) covering the seating arrangement in the longitudinal direction (L) of the car body, which partial area is designed to be variable in terms of the degree of darkening and / or opacity when grouped.

10. Car body (1) according to claim 8 or 9, characterized in that the at least one seat arrangement (11) is assigned a respective operating unit (13) which is operatively connected to the control unit of the laminated glass pane (100) or comprises the control unit of the laminated glass pane (100) and is designed so that the laminated glass pane (100) can be variably adjusted in terms of the degree of darkening and / or opacity by the operating unit (13).

11. Car body (1) according to one of claims 8 to 10, characterized in that the operating unit (13) is arranged such that a passenger sitting on the seat arrangement (11) can operate it.

12. Car body (1) according to one of claims 8 to 11, characterized in that the operating unit (13) is arranged in the vertical direction (H) of the car body (1) above an armrest of the seat arrangement (11) and preferably arranged below the lower edge of the laminated glass pane (100).

13. Car body (1) according to one of claims 8 to 12, characterized in that the car body (1) has a central control unit, wherein the control unit and / or the operating unit (13) is operatively connected to the central control unit, and wherein the central control unit is designed to change the degree of darkening and / or the opacity of the at least one functional area (90) of the at least one laminated glass pane (100).

14. A track-guided vehicle comprising at least one laminated glass pane (100) according to one of claims 1 to 7 or a car body according to one of claims 8 to 13.