CN113682009B - Tectorial membrane board assembly and vehicle - Google Patents

Tectorial membrane board assembly and vehicle Download PDF

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Publication number
CN113682009B
CN113682009B CN202110765096.0A CN202110765096A CN113682009B CN 113682009 B CN113682009 B CN 113682009B CN 202110765096 A CN202110765096 A CN 202110765096A CN 113682009 B CN113682009 B CN 113682009B
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China
Prior art keywords
membrane
film
subunits
film removing
subunit
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CN202110765096.0A
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Chinese (zh)
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CN113682009A (en
Inventor
彭颖昊
赵维兵
封西亚
方紫薇
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Fuyao Glass Industry Group Co Ltd
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Fuyao Glass Industry Group Co Ltd
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Priority to CN202110765096.0A priority Critical patent/CN113682009B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J3/00Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
    • B60J3/007Sunglare reduction by coatings, interposed foils in laminar windows, or permanent screens

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

The application provides a tectorial membrane board assembly and vehicle, the tectorial membrane board assembly includes transparent plate and rete, the rete set up in one side of transparent plate, the rete has except that the membrane district, it is provided with the annular that a plurality of arrays arranged and removes the membrane unit to remove in the membrane district, the rete corresponds the part that removes the membrane unit is detached, it accounts for to remove the membrane unit the area ratio that removes the membrane district is less than or equal to 10%. The film removing unit is provided with a specific pattern, so that the area ratio of the film removing unit to the film removing area is less than or equal to 10%, excessive film layers are prevented from being removed, the film coating plate assembly has the function of isolating purple and infrared rays, and the transmittance of electromagnetic wave signals of each frequency band is improved. Meanwhile, the film removing units arranged in an array enable the removed parts of the film layers to be regular, and the film coating plate assembly is continuous in overall appearance.

Description

Tectorial membrane board assembly and vehicle
Technical Field
The application relates to the technical field of glass processes, in particular to a film coating plate assembly and a vehicle.
Background
Glass is one of the film coating plate assemblies, provides daylighting and vision for vehicles and buildings, and is mainly used for transmitting visible light in various use scenes. Most scenes only need to transmit visible light and isolate infrared rays and ultraviolet rays in sunlight, and a common method for screening visible light is to coat an optical film on glass to form applications such as online Low Emissivity (Low-E) glass, offline Low-E glass, infrared ray absorbing/reflecting glass, ultraviolet ray absorbing/reflecting glass, and the like.
The glass is coated with a thin film to realize the isolation of ultraviolet rays and infrared rays, but the signal passing is blocked due to the interference of electromagnetic wave signals, and the prior communication maintaining technology is mainly realized on the glass in two ways: removing the film in the whole area and removing the film in the pattern. The film removal of the area can realize the film removal of the specific area by using the modes of masking, polishing, etching and the like, and the film removal area is restored to the characteristics of the original glass; the pattern membrane removal is to carry out pattern design on a membrane layer in a membrane removal area and screen and recover the communication function of specific electromagnetic wave signals according to the use requirement.
At present, the film removing area ratio of the film removing of all areas or the film removing of the pattern is too high, so that the problems of discontinuous overall appearance, incapability of isolating purple and infrared rays, high process difficulty and the like occur.
Disclosure of Invention
The application discloses tectorial membrane board assembly can realize lower membrane area ratio that removes, solves discontinuous whole outward appearance, can't keep apart purple, infrared ray, and the big technical problem of the technology degree of difficulty.
In a first aspect, the present application provides a film-coated plate assembly, the film-coated plate assembly includes a transparent plate and a film layer, the film layer is disposed on one side of the transparent plate, the film layer has a film-removing region, a plurality of annular film-removing units arranged in an array are disposed in the film-removing region, the film layer corresponds to a portion of the film-removing units is removed, and the film-removing units occupy an area ratio of the film-removing region of less than or equal to 10%.
The film removing unit is provided with a specific pattern, so that the area ratio of the film removing unit to the film removing area is less than or equal to 10%, excessive film layers are prevented from being removed, the film coating plate assembly has the function of isolating purple and infrared rays, and the transmittance of electromagnetic wave signals of each frequency band is improved. Meanwhile, the film removing units arranged in an array enable the removed parts of the film layer to be regular, and the film coating plate assembly is continuous in overall appearance.
Optionally, the membrane removing unit includes a plurality of first membrane removing subunits and a plurality of second membrane removing subunits, and through setting up the first membrane removing subunit is used for passing through the electromagnetic wave signal of the first frequency band, through setting up the second membrane removing subunit is used for passing through the electromagnetic wave signal of the second frequency band, wherein the first frequency band is lower than the second frequency band.
Optionally, the first frequency band is between 1GHz and 4GHz, and the second frequency band is between 2GHz and 8GHz.
Optionally, the film removing unit includes a plurality of first film removing subunits and a plurality of second film removing subunits, the plurality of first film removing subunits are arranged at intervals in a first direction, the plurality of second film removing subunits are arranged at intervals in the first direction, and the first film removing subunits and the second film removing subunits are alternately arranged in a second direction, wherein the first direction is perpendicular to the second direction.
Optionally, the first film removing subunit and the second film removing subunit have different corresponding outer peripheral lengths.
Optionally, the membrane removing unit occupies an area ratio of the membrane removing area of less than or equal to 8%.
Optionally, the plurality of second film removing subunits are arranged in the region surrounded by the first film removing subunits at intervals.
Optionally, the periphery of the single second film removing subunit is at least partially overlapped with the corresponding periphery of the first film removing subunit.
Optionally, the first membrane removing subunit includes a first membrane removing portion and a plurality of second membrane removing portions extending from the first membrane removing portion, the first membrane removing portion is disposed in a plurality of gaps between the second membrane removing subunits, and is respectively connected to the plurality of second membrane removing subunits, and the plurality of second membrane removing portions are respectively disposed in an overlapping manner with the corresponding peripheries of the second membrane removing subunits.
Optionally, the gap between a plurality of the second film removing subunits is W 1 The distance between one side of the first film removing subunit and the side corresponding to the film removing unit is W 2 And satisfy W 1 =K*W 2 Wherein the K value is between 1.5 and 2.5.
Optionally, when the membrane removing unit is a square with the length of the outer edge ranging from 4mm to 20mm, the K value is between 1.8 and 2.2.
Optionally, W 1 In the range of 0.1mm-4mm 2 In the range of 0.05mm to 2mm.
Optionally, the projection shape of the film removing unit on the film layer is any one or more of a circle and a polygon.
In a second aspect, the present application also provides a vehicle comprising an overlaminate panel assembly according to the first aspect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any inventive exercise.
FIG. 1 is a schematic top view of a film plate assembly according to an embodiment of the present disclosure.
Fig. 2 is a schematic partial sectional view taken along line I-I in fig. 1.
Fig. 3 is a partially enlarged view of a dotted line frame a in fig. 1.
Fig. 4 is a schematic diagram of a film removing unit pattern according to an embodiment of the present disclosure.
FIG. 5 is a schematic illustration of attenuation performance of a film plate assembly according to an embodiment of the present disclosure.
Fig. 6 is a schematic diagram of a film removing unit pattern according to another embodiment of the present disclosure.
Fig. 7 is a schematic diagram of patterns of a first film removing subunit and a second film removing subunit according to an embodiment of the present disclosure.
FIG. 8 is a schematic illustration of attenuation performance of a membrane panel assembly according to an embodiment of the present disclosure.
Fig. 9 is a schematic diagram of a film removing unit pattern according to another embodiment of the present disclosure.
Fig. 10 is a schematic top view of a vehicle according to an embodiment of the present application.
Description of the reference symbols: the film removing device comprises a film coating plate assembly-1, a transparent plate-11, a film layer-12, a film removing area-13, a film removing unit-131, a first film removing subunit-1311, a first film removing part-131 a, a second film removing part-131 b, a second film removing subunit-1312, a vehicle-2 and a vehicle frame-21.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Referring to fig. 1 and 2 together, fig. 1 is a schematic top view of a film coating plate assembly according to an embodiment of the present disclosure; fig. 2 is a schematic partial sectional view taken along line I-I in fig. 1. The film coating plate assembly 1 comprises a transparent plate 11 and a film layer 12, the film layer 12 is arranged on one side of the transparent plate 11, the film layer 12 is provided with a film removing area 13, a plurality of annular film removing units 131 which are arranged in an array mode are arranged in the film removing area 13, the part, corresponding to the film removing units 131, of the film layer 12 is removed, and the area ratio of the film removing units 131 to the film removing area 13 is smaller than or equal to 10%.
The film layer 12 is disposed on one side of the transparent plate 11, and the film layer 12 can absorb/reflect ultraviolet rays and infrared rays according to the material used for the film layer 12, so that the film-coated plate assembly 1 has the function of absorbing/reflecting ultraviolet rays and infrared rays. For most of the materials used for the film layer 12, the transmittance of the data-carrying communication electromagnetic wave signal is low when the data-carrying communication electromagnetic wave signal is transmitted through the film layer 12. Then, when the film plate assembly 1 is used in a scenario requiring a communication function, such as an online LOW-E glass, an offline LOW-E glass, or the like, the portion of the film layer 12 that passes the communication electromagnetic wave signal will be removed to enable the communication electromagnetic wave signal to pass through the film plate assembly 1 with greater transmittance, thereby achieving a communication function.
In the prior art, the area ratio of the film removing unit 131 to the film removing area 13 reaches 100%, which is contrary to the function of the coated film plate assembly 1, and the function of absorbing/reflecting ultraviolet rays and infrared rays of the film removing area 13 is ineffective. The more common film removing scheme is to design patterns corresponding to different communication bands, for example, a laser film removing is used to perform grid film removing on the film layer 12, but the area ratio of the film removing unit 131 to the film removing area 13 is usually 17%, so as to conduct signals with frequency points of about 6.3GHz and 8.3 GHz. For lower common frequencies, such as 5.8GHz of Electronic Toll Collection (ETC) and 1.5GHz of Global Positioning System (GPS), the area ratio of the membrane removing unit 131 to the membrane removing area 13 will be higher.
On the other hand, from the realized process technology, the fine film removing process of the glass generally adopts a laser film removing process. The scribing speed of the laser film removing is generally 3m/s-10m/s, the higher the speed is, the higher the required laser power is, and the shorter the laser service life is, so the scribing speed is usually about 5 m/s. If the scribing speed is 10m/s, the film removing time is 50s for a 500mm by 500mm grid area, and the production capacity of the LOW-E coated glass is barely achieved. As can be appreciated, the film removal efficiency is primarily limited to film removal areas such as those used for LOW-E glass, and the grid pattern removal efficiency is typically 20mm 2 /s-625mm 2 And/s, the whole glass cannot be etched, so that the application scene of the LOW-E glass is limited. Therefore, the smaller the area ratio of the film removing unit 131 to the film removing region 13 is, the less difficult the process technology is to implement.
It can be understood that, in the present embodiment, the film removing unit 131 has a specific pattern, such that the area ratio of the film removing unit 131 to the film removing region 13 is less than or equal to 10%, and excessive portions of the film layer 12 are prevented from being removed, so that the film coating panel assembly 1 retains the function of isolating the violet and infrared rays, and the transmittance of electromagnetic wave signals of each frequency band is improved. Meanwhile, the film removing units 131 arranged in an array enable the removed portions of the film layer 12 to be regular, and the film coating plate assembly 1 is continuous in overall appearance.
It is understood that, according to the area of the actual electromagnetic wave signal passing through the film coating plate assembly 1, the area of the film removing region 13 may occupy less than or equal to 5% of the area of the transparent plate 11, for example, a small area 100m x 100m, a half-coverage area of 20% to 50%, or a full-coverage area of 100%, which is not limited in this application.
Next, the pattern design of the film removing unit 131 will be described in some possible embodiments.
In one possible embodiment, the membrane removing unit 131 comprises a plurality of first membrane removing subunits 1311 and a plurality of second membrane removing subunits 1312, wherein the first membrane removing subunit 1311 is configured to transmit electromagnetic wave signals of a first frequency band, and the second membrane removing subunit 1312 is configured to transmit electromagnetic wave signals of a second frequency band, wherein the first frequency band is lower than the second frequency band.
Specifically, the first membrane removing subunit 1311 and the second membrane removing subunit 1312 are designed in different patterns, so that the membrane layer 12 is different from the portion where the first membrane removing subunit 1311 and the second membrane removing subunit 1312 are removed, and the membrane layer 12 is different from the frequency bands of the electromagnetic wave signals capable of passing through the first membrane removing subunit 1311 and the second membrane removing subunit 1312 and corresponding to the first membrane removing subunit 1311 and the second membrane removing subunit 1312.
In this embodiment, the first frequency band is between 1GHz and 4GHz, and the second frequency band is between 2GHz and 8GHz. More preferably, the first frequency band is between 2.4GHz and 2.6GHz, and the second frequency band is between 4.8GHz and 5.8GHz.
Specifically, the first frequency band is between 1GHz and 4GHz, that is, the first frequency band is an electromagnetic wave signal of a relatively common lower frequency band; the second frequency band is between 2GHz-8GHz, that is, the second frequency band is a more commonly used electromagnetic wave signal of a higher frequency band.
It may be understood that, in other possible embodiments, the first frequency band and the second frequency band may also be between other frequency bands, which is not limited in this application.
In one possible implementation, please refer to fig. 1 and fig. 3, in which fig. 3 is a partially enlarged schematic view of a dashed box portion a in fig. 1. A plurality of the first film removing subunits 1311 in a first direction D 1 Are arranged at intervals, and a plurality of the second film removing subunits 1312 arranged in the first direction D 1 Is arranged at an interval, and the first dividerThe film subunit 1311 and the second film removing subunit 1312 are arranged in a second direction D 2 In an alternating arrangement, wherein the first direction D 1 And the second direction D 2 Are perpendicular to each other.
In particular, the first direction D 1 And the second direction D 2 As indicated by the arrows in fig. 3. The pattern shown in fig. 3 is the design pattern of the film removing unit 131 in this embodiment, and the corresponding film layer 12 is removed in the annular closed area of the first film removing subunit 1311 and the second film removing subunit 1312.
In this embodiment, the first film removing subunit 1311 and the second film removing subunit 1312 are square, in other possible embodiments, the first film removing subunit 1311 and the second film removing subunit 1312 may have other shapes, and the shapes of the first film removing subunit 1311 and the second film removing subunit 1312 may be the same or different, which is not limited in this application.
In this embodiment, the first film removing subunit 1311 and the second film removing subunit 1312 have different outer peripheral edge lengths.
Specifically, the edge of the first membrane removing subunit 1311 corresponding to the second membrane removing subunit 1312 refers to the annular outer edge of the first membrane removing subunit 1311 compared with the annular outer edge of the second membrane removing subunit 1312, or the annular inner edge of the first membrane removing subunit 1311 compared with the annular inner edge of the second membrane removing subunit 1312. When the corresponding outer peripheral lengths of the first membrane removing subunit 1311 and the second membrane removing subunit 1312 are different, the annular areas of the first membrane removing subunit 1311 and the second membrane removing subunit 1312 are also different. It can be understood that the frequency of the passing electromagnetic wave signal is related to the annular area of the film removing unit 131, and the larger the annular area of the film removing unit 131 is, the lower the frequency of the passing electromagnetic wave signal is; vice versa, the smaller the annular area of the film removing unit 131, the higher the frequency of the electromagnetic wave signal that can pass through.
It can be understood that, in this embodiment, by designing the first membrane removing subunit 1311 to have different peripheral lengths corresponding to the second membrane removing subunit 1312, it is possible to achieve a higher transmittance for the multi-band electromagnetic wave signal or a wider communication bandwidth for the electromagnetic wave signal.
In this embodiment, the area ratio of the film removing unit 131 to the film removing region 13 is less than or equal to 8%, or more preferably less than or equal to 5%.
Specifically, the film 12 is removed by the design pattern of the film removing unit 131, so that the area ratio of the film removing unit 131 to the film removing region 13 is less than or equal to 5%. As can be appreciated, the smaller the area ratio of the film removing unit 131 to the film removing region 13, the more continuous and aesthetic the overall appearance of the film coating panel assembly 1 is.
In a possible embodiment, please refer to fig. 4, wherein fig. 4 is a schematic diagram of a film removing unit pattern according to an embodiment of the present disclosure. The second film removing subunits 1312 are arranged at intervals in the area surrounded by the first film removing subunits 1311.
Specifically, in this embodiment, the outer perimeter of the edge of a single first membrane removing subunit 1311 is longer than the outer perimeter of the edge of the corresponding second membrane removing subunit 1312, so that the portion of the transparent plate 11 corresponding to the first membrane removing subunit 1311 is used for passing electromagnetic wave signals in a lower frequency band, and the portion of the transparent plate 11 corresponding to the second membrane removing subunit 1312 is used for passing electromagnetic wave signals in a higher frequency band.
In this embodiment, the periphery of the single second film removing subunit 1312 and the periphery of the first film removing subunit 1311 are at least partially overlapped. Wherein the overlapped part accounts for the sum of the side lengths of the second film subunits 1312 and is between 30 and 50 percent, and preferably 40 percent.
It can be understood that, this arrangement further reduces the removed portion of the film layer 12 by using the overlapping portion of the first film removing subunit 1311 and the second film removing subunit 1312, and at the same time, fully utilizes the wave-transparent region of all electromagnetic waves. In the present embodiment, the area ratio of the membrane removing unit 131 to the membrane removing area 13 is less than or equal to 10%, which can achieve a low membrane removing area ratio.
Specifically, referring to FIG. 5, FIG. 5 is a schematic view of attenuation performance of a membrane plate assembly according to an embodiment of the present disclosure. As shown in FIG. 5, the abscissa represents the frequency band of the electromagnetic wave signal passing through the coating plate assembly 1, and the ordinate represents the attenuation of the electromagnetic wave signal after passing. As can be seen from the results shown in fig. 5, the pattern design of the film removing unit 131 according to this embodiment can make the electromagnetic wave signal transmission performance of the film-removed film of the film coating plate assembly 1 substantially equal to that of the glass without the film layer 12 at 2.4GHz and 5.8GHz.
In one possible embodiment, please refer to fig. 6, in which fig. 6 is a schematic diagram of a film removing unit pattern according to another embodiment of the present disclosure. The first film removing subunit 1311 includes a first film removing portion 131a and a plurality of second film removing portions 131b extending from the first film removing portion 131a, the first film removing portion 131a is disposed in a gap between the plurality of second film removing subunits 1312 and is respectively connected to the plurality of second film removing subunits 1312, and the plurality of second film removing portions 131b are respectively disposed to overlap at least a portion of a periphery of the corresponding second film removing subunits 1312.
Specifically, the first film-removing portion 131a is inscribed in the plurality of second film-removing sub-units 1312, that is, the first film-removing portion 131a and the plurality of second film-removing sub-units 1312 do not overlap each other, and each of the second film-removing portions 131b of the first film-removing portion 131a is at least partially overlapped with the corresponding peripheral edge of the second film-removing sub-unit 1312.
For better observing the design patterns of the first film removing subunit 1311 and the second film removing subunit 1312 in this embodiment, please refer to fig. 7 together, and fig. 7 is a schematic diagram of the patterns of the first film removing subunit and the second film removing subunit provided in an embodiment of the present application. Specifically, as shown in fig. 7, the first film removing subunits 1311 are distributed in a shape of a Chinese character jing as a whole, and the second film removing subunits 1312 form a plurality of squares arranged at intervals. The first film removing part 131a is a small square in the middle of the shape of a Chinese character 'jing', and the second film removing part 131b is formed by extending the sides of the small square of the first film removing part 131 a. In this embodiment, the adjacent and vertical second film removing portions 131b are disposed to overlap with the adjacent two sides of the corresponding one of the second film removing sub-units 1312.
It should be noted that each of the second film removing portions 131b is formed by extending the respective sides of the first film removing portions 131a in opposite directions, and the extending length and the extending width of each of the second film removing portions 131b may be different. In other possible embodiments, the shape of the first film removing subunit 1311 and the second film removing subunit 1312 is not limited by this application as long as the at least partial overlapping arrangement of the first film removing subunit 1311 and the second film removing subunit 1312 is not affected.
In this embodiment, as shown in fig. 6, the transparent plate 11 corresponding to the second film removing subunit 1312 is used for passing electromagnetic wave signals of higher frequency band, while the transparent plate 11 corresponding to the first film removing subunit 1311 is used for passing electromagnetic wave signals of lower frequency band, that is, the portion where the second film removing part 131b and the second film removing subunit 1312 are overlapped can simultaneously pass electromagnetic wave signals of higher and lower frequency band.
It should be added that, compared with fig. 4, when the film layer 12 of the present embodiment is used for the heat and/or electricity conducting function, since the outer periphery of the film removing unit 131 is not closed, the film layer 12 at the inner periphery of the film removing unit 131 can be communicated with the film layer 12 at the outer periphery of the film removing unit 131, and the heat and/or electricity conducting property of the entire film layer 12 is better.
Specifically, referring to FIG. 8 in conjunction, FIG. 8 is a schematic illustration of attenuation performance of a membrane panel assembly according to another embodiment of the present disclosure. As shown in fig. 8, the abscissa represents the frequency band of the electromagnetic wave signal passing through the coating plate assembly 1, and the ordinate represents the attenuation of the electromagnetic wave signal after passing. As can be seen from the results shown in fig. 8, the pattern design of the film removing unit 131 according to this embodiment enables the film coating plate assembly 1 to satisfy the communication function of the mobile 5G dual-band (2.6 GHz, 4.9 GHz) after removing the film in this way. The attenuation of 2515MHz-2675MHz and 4800MHz-4900MHz relative to the glass without the film layer 12 is less than 5dB, thereby meeting the transparent requirement of the coated glass on the vehicle-mounted 5G signal.
In one possible embodiment, referring to fig. 4 again, the gaps between the second film removing subunits 1312 are W 1 The distance between one side of the first membrane removing subunit 1311 and the side corresponding to the membrane removing unit 131 is W 2 And satisfy W 1 =K*W 2 Wherein the K value is between 1.5 and 2.5.
Specifically, when W is satisfied 1 =K*W 2 Then, the resonance performance of the portion of the transparent plate 11 corresponding to the first film removing subunit 1311 and the portion of the transparent plate 11 corresponding to the second film removing subunit 1312 is optimal. The resonance means that when the frequency bands of the two electromagnetic wave signals are the same or close to each other and the distance is suitable, the two electromagnetic wave signals will resonate, so that the radiation intensity of the electromagnetic wave signals is stronger. In the present embodiment, K is preferably 2.
It can be understood that when W 1 ≠K*W 2 When the electromagnetic wave signals of the lower frequency band are resonated, the transparent plate 11 corresponding to the first film removing subunit 1311 will resonate, and the transparent plate 11 corresponding to the second film removing subunit 1312 will resonate the electromagnetic wave signals of the higher frequency band, so as to achieve the resonant performance of the electromagnetic wave signals of the high and low frequencies.
In one possible embodiment, referring to fig. 4 and 6 again, when the membrane removing unit 131 is a square with an outer edge length ranging from 4mm to 20mm, the K value is between 1.8 and 2.2.
In this embodiment, it is preferable that the length of the edge of the membrane-removing unit 131 is 12mm, and the length of the first membrane-removing subunit 1311 is L 1 A square with an outer edge length of 11.6mm, and L is the second membrane removing subunit 1312 2 A square with an outer edge of 5.4 mm.
Specifically, the length of the side other than D of the film unit 131 is the secondL of a membrane removal subunit 1311 1 Outer side length and L of the second non-film subunit 1312 2 The outer side lengths are shown in fig. 4 and 6. It will be appreciated that the above values are one application of the laser large area film removal scheme to mass production with a lower film removal area ratio. In other possible embodiments, the length of the side other than D of the membrane unit 131, L of the first membrane sub-unit 1311 1 Outer side length and L of the second non-film subunit 1312 2 The outer edge length may also be other values, which the present application does not limit.
In one possible embodiment, W 1 In the range of 0.1mm-4mm 2 Is in the range of 0.05mm to 2mm.
Preferably, W in the present embodiment 1 Is 0.8mm in terms of W 2 Is 0.4mm, is the L of the first membrane removal subunit 1311 according to the above except for the D outside edge length of the membrane unit 131 1 Outer side length and L of the second non-film subunit 1312 2 And calculating the optimal value of the outer side length. L of the first membrane removing subunit 1311 when the D outer side of the membrane removing unit 131 is long 1 Outer side length and L of the second non-film subunit 1312 2 When the outer side length changes, W 1 And W 2 The numerical values of (c) may also vary, and the application is not limited in this respect.
In one possible embodiment, please refer to fig. 9, and fig. 9 is a schematic diagram of a film removing unit pattern according to another embodiment of the present disclosure. The projection shape of the film removing unit 131 on the film layer 12 is any one or more of a circle or a polygon.
Specifically, as shown in fig. 9, the projection shape of the film removing unit 131 on the film layer 12 is a circle, and it can be understood that the projection shape of the film removing unit 131 has an influence on the frequency band, resonance and film removing area ratio of the passing electromagnetic wave signal. The projection shape of the film removing unit 131 on the film layer 12 is not limited in the present application as long as the area ratio of the film removing unit 131 to the film removing region 13 is not affected to be less than or equal to 10%.
It should be noted that the film coating plate assembly 1 provided in the present application satisfies the communication requirements of the coated glass product on dual-frequency signals, such as WIFI dual-frequency bands 2.4GHz and 5.8GHz, and china mobile 5G dual-frequency bands 2.6GHz and 4.8GHz, or gives consideration to the combined application of ETC, V2X, and 5G.
The present application further provides a vehicle 2, please refer to fig. 10 together, and fig. 10 is a schematic top view of the vehicle according to an embodiment of the present application. The vehicle 2 comprises a membrane panel assembly 1 as described above.
Specifically, the vehicle 2 further comprises a frame 21, and the film coating plate assembly 1 is mounted on the frame 21. It is understood that, when the film coating plate assembly 1 is applied to the vehicle 2, the film coating plate assembly 1 may be applied to a laminated product such as a front windshield, a roof window, a side window, a rear windshield, and the like of the vehicle 2, and the application is not limited thereto. Please refer to the above description for the film coating plate assembly 1, which is not described herein.
It should be noted that the film coating plate assembly 1 may also be applied to other scenes, for example, to low-emissivity glass of a hollow curtain wall in the building field, electronic equipment with a communication function, and the like, and the application is not limited thereto.
The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (13)

1. A film coating plate assembly is characterized by comprising a transparent plate and a film layer, wherein the film layer is arranged on one side of the transparent plate and is provided with a film removing area, a plurality of annular film removing units which are arranged in an array mode are arranged in the film removing area, the part, corresponding to the film removing units, of the film layer is removed, and the area ratio of the film removing units to the film removing area is smaller than or equal to 10%; the film removing unit comprises a plurality of first film removing subunits and a plurality of second film removing subunits, the first film removing subunits are arranged for allowing electromagnetic wave signals of a first frequency band to pass through, and the second film removing subunits are arranged for allowing electromagnetic wave signals of a second frequency band to pass through, wherein the first frequency band is lower than the second frequency band, and when the first film removing subunits and the second film removing subunits are not overlapped completely, the annular area of the first film removing subunits is larger than that of the second film removing subunits; when the first membrane removing subunit and the second membrane removing subunit are partially overlapped, the overlapped part can simultaneously pass through electromagnetic wave signals of the second frequency band and the first frequency band.
2. A membrane plate assembly according to claim 1, wherein the first frequency band is between 1GHz and 4GHz and the second frequency band is between 2GHz and 8GHz.
3. The membrane stack assembly of claim 1, wherein the first membrane removal subunits are spaced apart in a first direction, the second membrane removal subunits are spaced apart in the first direction, and the first membrane removal subunits and the second membrane removal subunits are alternately arranged in a second direction, wherein the first direction and the second direction are perpendicular to each other.
4. A membrane plate assembly according to claim 3, wherein the first and second membrane removal subunits have different corresponding outer peripheral edge lengths.
5. A membrane panel assembly according to claim 3, wherein the membrane removal unit occupies an area fraction of the membrane removal zone of less than or equal to 8%.
6. A membrane plate assembly according to claim 1, wherein a plurality of the second membrane removal subunits are provided at intervals in the area enclosed by the first membrane removal subunit.
7. A membrane plate assembly according to claim 6, wherein the periphery of a single said second membrane removal subunit is disposed at least partially overlapping the corresponding periphery of said first membrane removal subunit.
8. The membrane assembly of claim 1, wherein the first membrane removing subunit comprises a first membrane removing portion and a plurality of second membrane removing portions extending from the first membrane removing portion, the first membrane removing portion is disposed in a gap between the plurality of second membrane removing subunits and is connected to the plurality of second membrane removing subunits, and the plurality of second membrane removing portions are disposed to at least partially overlap with the corresponding peripheries of the second membrane removing subunits.
9. A membrane plate assembly according to claim 6 or 8, wherein the gaps between the second membrane removing subunits are W1, one side of the first membrane removing subunit is at a distance W2 from the corresponding side of the membrane removing unit, and W1= K W2 is satisfied, wherein K is between 1.5 and 2.5.
10. A membrane plate assembly according to claim 9, wherein when the membrane removal unit is a square with an outer edge length in the range of 4mm to 20mm, the K value is between 1.8 and 2.2.
11. A membrane plate assembly according to claim 9, wherein W is 1 In the range of 0.1mm-4mm 2 Is in the range of 0.05mm to 2mm.
12. A membrane panel assembly according to claim 1, wherein the projected shape of the membrane removal unit on the membrane layer is any one or more of circular or polygonal.
13. A vehicle, characterized in that the vehicle comprises a membrane panel assembly according to any of claims 1-12.
CN202110765096.0A 2021-07-06 2021-07-06 Tectorial membrane board assembly and vehicle Active CN113682009B (en)

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