• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Display installation (30) for a motor vehicle having a display unit (31) having a display matrix (32), a mounting frame (34) for receiving the housing (33) of the display unit display and a transparent cover (38) for covering the display unit (31) on the side facing the display surface of the display unit (31). The mounting frame (34) is connected by the transparent cover (38), glued or bonded so that the housing (33) is held by the mounting frame (34) in the vicinity of the transparent cover (38).
    公开号:FR3045912A1
    申请号:FR1662524
    申请日:2016-12-15
    公开日:2017-06-23
    发明作者:Sinasi Temiz
    申请人:Robert Bosch GmbH；
    IPC主号:
    专利说明:

    Field of the invention
    The present invention relates to a display installation for a vehicle and in particular a motor vehicle.
    State of the art
    DE 10 2009 000 418 A1 describes the mounting of a display instrument module in a motor vehicle by a bayonet type connection. The cover glass installed in an inner tube is in front of the display fixed by a bayonet type mechanical connection.
    The document DE 10 2013 204 823 A1 describes a display device having a window applied flat on the display unit with the interposition of a layer of glue in the form of an optical link layer.
    Description and advantages of the invention
    The present invention relates to a display installation for a motor vehicle comprising a display unit having at least one display matrix, a mounting frame for receiving the housing of the display unit and a transparent cover for cover the display unit on the side facing the display surface of the display unit, the mounting frame being connected by the transparent cover, by gluing or a connection so that the housing of the unit The display is held by the mounting frame in the vicinity of the transparent cover.
    In other words, the display installation for a motor vehicle having the characteristics as defined above has the advantage, vis-à-vis the state of the art to allow a protected mounting of the display unit and if necessary several display units without transmitting annoyingly, especially because of temperature differences, compressive or tensile stresses to the display units. In addition, the display unit is installed in a space-saving manner next to a transparent cover plate which protects the display and, where appropriate, facilitates its legibility.
    The advantages result from the display installation comprising a display unit with at least one display matrix and a mounting frame receiving the display unit and a cover plate or transparent cover to cover the display unit. display unit on the side facing the display surface of the display unit. The mounting frame is connected to the transparent cover plate by bonding means so that the display unit is held in the vicinity of the cover plate, transparent by the mounting frame.
    Thanks to the connection by connecting means or by bonding to the mounting frame, this connection, by fixing or bonding, absorbs thermal stresses. However, unnecessarily, a display backlight unit may itself be brought into contact by gluing or fixing and thus thermal effects during the operation of the vehicle may release heat which will not be transmitted to the display . In addition, the mounting frame provides additional strength to absorb any thermal stress. The bonded connection between the mounting frame and the cover glass means that the display device is not loaded directly by the mass of the glass, which makes it possible to use larger masses of glass and thus more glass surfaces. large. In particular, the risk of breakage of glass, for example, during manufacture is avoided. It is also possible to use and stabilize the fixing of the glass to the mounting frame with any complex shapes of glass, that is to say, free-form geometries.
    It is also possible to compensate for the thickness or shape tolerances of the transparent cover plate (transparent cover) by the mounting frame. The differences in thickness and shape are not transmitted to the display unit, but are absorbed by the mounting frame. Other advantages result from the achievements developed hereinafter. Thus, it is advantageous for the display unit to have a display surface and small peripheral sides adjacent to the display surface and thus surrounded by the mounting frame. This gives the display additional strength through the mounting frame which is preferably stronger than the display unit.
    According to another advantageous characteristic, the display unit is held away from the transparent cover plate in the mounting frame. This avoids the direct mechanical contact with the cover plate, which avoids the transmission of thermal stresses or any damage by friction contacts.
    According to another advantageous feature, the transparent cover plate is bent, which allows to install the cover plate even in larger dashboards, if necessary bent. In particular, for large areas, this allows the driver to have better visibility and readability of the display.
    According to another advantageous characteristic, a support frame receives the mounting frame which has mechanical connection means for making a mechanical connection with the support frame. The mounting frame thus serves as an intermediary between the display unit and the support frame which can receive other components of the display installation. This makes it possible to decouple the display unit from mechanical stresses by the mounting frame with respect to the support frame because only the mechanical connection is direct between the support frame and the mounting frame, but not between the support frame and the display unit.
    According to an alternative embodiment, the support frame may also, in addition or alternatively, be connected to the display unit mechanically stabilizing the display unit, so that the connection with the mounting frame has, however, a some flexibility compared to the transparent cover plate.
    In particular, it is advantageous to provide an electronic control circuit for the display unit on the support frame. This also makes it possible to leave the support frame, other electrical connections such as, for example, the connection buses by contacts coming out of the display installation.
    To protect the display installation it is advantageous to provide a cover on the support frame which protects in particular the elements of the support frame during assembly.
    According to another advantageous characteristic, in the vicinity of the mounting frame, to receive the display unit, an opening is provided to hold a display unit. This allows, if necessary, to fix other display units smaller than the above display unit, conveniently, to the transparent cover plate. This allows in particular to install additional display elements, such as, for example, lights or a camera next to the display unit. In a particularly simple manner, such a display unit can be installed on the transparent cover plate by means of a glue layer which is, for example, directly on the display unit. The mounting frame allows positioning and fixing of the display elements. Direct attachment of the display elements to the inner side of the transparent cover and attachment and positioning via the mounting frame allow precise and opaque positioning of the display elements. The invention also relates to a method for producing a display installation of a motor vehicle according to which a display unit is placed, comprising at least one display matrix, in a mounting frame for receiving the unit. display frame, the mounting frame being bonded with the display unit to a transparent cover plate to cover the display unit on the side facing the display surface of the display unit and the The mounting frame is connected to the transparent cover plate by bonding or gluing so that the display unit is held by the mounting frame in the vicinity of the transparent cover plate.
    drawings
    The present invention will be described below, in more detail with the aid of exemplary embodiments of display systems for motor vehicles, shown in the accompanying drawings in which: FIG. 1 is a diagram of a display installation, Figure 2 shows an embodiment of the layout of a display installation in the dashboard of a vehicle, Figure 3 is a sectional view of a display installation corresponding to a first embodiment, Figure 4 is a sectional view of a display installation corresponding to a second embodiment, Figure 5 shows the side of a transparent cover plate, the opposite of that turned to the observer, FIG. 6 shows the side of a mounting frame opposite the transparent cover plate, FIG. 7 shows an exemplary embodiment of a mounting frame and a mounting plate. transparent cover, this transparent plate being bent, Figure 8 shows an embodiment of a device for another display unit on the transparent cover plate in the mounting frame in the vicinity of the display unit. Description of Embodiments of the Invention
    Figure 1 schematically shows a display installation 1. The display installation 1 is intended in particular for a vehicle, for example, a motor vehicle. The display installation 1 is preferably in the form of a mounting module installed in front of the driver in the dashboard of the vehicle. The driver can thus observe the display installation 1 while driving to collect information concerning the state of the vehicle or the environment of the vehicle. The display installation 1 is equipped with a display unit 2. The display unit 2 is in particular embodied in the form of a display matrix. In particular, the display unit 2 is a liquid crystal display. According to a preferred embodiment, a backlight unit is integrated in the display unit 2 for the backlighting of the liquid crystal display.
    One can also have an embodiment in the form of another display matrix, for example, an OLED display. Preferably, the display unit is controlled by a pilot plant 3 which controls the display matrix of the display unit 2. The image data to be represented in the display unit 2 are transmitted by a computer 4 via a data bus 5 to the pilot plant 3. The display surface of the display unit 2 displays the information relating to the vehicle, for example in the form of a 6. The display unit 2 can also represent the image taken by a camera not shown in FIG. 1. The calculation installation 4 is connected by an interface. 8, for example, a data bus 9 of the vehicle, such as a CAN bus. The data bus 9 makes it possible to transmit the information relating to the vehicle such as, for example, the current speed or the rotational speed of the engine (speed) to the display installation 1. The calculation installation 4 processes the information obtained by the interface 8 with the data bus 9. The display installation 1 may have other interfaces. Thus it is possible to provide an interface 10, for example a radio interface that connects the display installation 1 to an external data source, for example a mobile phone. This makes it possible to transmit, in the form of text or image, information to be represented or audio information to be transmitted to the display installation 1. For the transmission of the information, the display installation 1 has a third interface 11, for example a multimedia data bus. The audio transmission unit or another display of the vehicle can be controlled via the third interface 11. The operating program of the display installation 1 as well as the data of the information to be represented, such as by For example, a pattern in the form of symbols may be stored in a memory 12 to which the computing installation 4 accesses.
    According to one embodiment, it is possible, in addition to the display unit 2, to have other display units 13. In the embodiment shown, another first unit 13 is provided to the left of the display unit. the display unit and a second further display unit 14 is to the right of the display unit. The other display units 13, 14 are, for example photoluminous diodes or other light sources, for example for the backlighting of a window provided with an impression, so that independently of the display unit 2 a warning may be displayed for the driver of the vehicle. The display units 13, 14 are also preferably controlled by the calculation unit 4.
    Figure 2 shows an exemplary embodiment for mounting a display unit in a dashboard or instrument panel 20 of a vehicle. Under the upper edge 21 of the dashboard, there is a window 22. The window or glazed cover 22 preferably has an area in front of the driver and extends in an area to the central console 23. Where appropriate may have several glass covers, neighboring, distinct. According to a preferred embodiment, the window surface 22 is bent for its adaptation to the shape of the dashboard. In addition, one can also consider any free form. The back of the glass surface 22 of the embodiment presented herein includes a first display installation 24 and a second display installation 25 according to the invention.
    Figure 3 shows an exemplary embodiment for the arrangement of a display installation behind such a glass plate.
    Figure 3 is a sectional view of a display installation 30 corresponding to a first embodiment. A display unit 31 with a display matrix 32 is provided in the display installation 30. The display unit 31 comprises a housing 33 preferably housing a pilot unit and a backlight unit of the The display matrix 32 is, for example, in the form of a liquid crystal display. The glass plates of the liquid crystal display constitute in this case the display matrix 32 while the other components such as for example the backlight device or the pilot unit are housed in the housing 33 of the The display unit 31 is housed in a mounting frame 34. The mounting frame 34 has a peripheral support 35 around the sides of the display unit 31. According to one embodiment may have projecting parts or hooking elements 36 of the mounting frame 34 which come into corresponding holes of the display unit 31 to hold the display unit 31 in the mounting frame 34. The frame Preferably, the mounting unit 34 is reinforced by the mounting frame 34 to prevent deformation under the effect of external pressure. The mounting frame is, for example, a metal such as aluminum or a plastic material, for example polycarbonate, especially polycarbonate with 10% glass fibers (PC GF 10) or phenylene polysulfide with a 45% fiberglass content (PPS G45). The mounting frame in its own form and in the use of this plastic material has, for example, a wall thickness of 1-2 mm to enhance the mechanical strength of the display matrix.
    The display matrix 32 forms a display surface that the driver of the vehicle can observe. In the observation direction, the display surface, the display matrix 32, as well as the adjacent front face 37 of the mounting frame 34 are covered by a transparent cover 38, for example in the form of a transparent plate cover. The transparent cover 38 is made of a material transparent to light, for example glass or polymethylmetacrylate.
    According to one embodiment, the transparent cover 38 has, in partial areas, an opaque cover or coating 39. The opaque coating 39 thus releases the area of the display matrix 32 and the display surface that it forms. so that the display matrix 32 may be viewed by an observer through the transparent cover material 38. The non-transparent coating or printing may be in the form of a dark paint or a cover film.
    According to the embodiment presented here, the coating 39 or the covering element is on the face of the transparent cover 38 turned towards the observer and not turned towards the mounting frame 34. Alternatively or additionally, the covering or the coating 39 may also be on the opposite side of the transparent cover 38.
    In areas beyond the display matrix 32, the transparent cover 38 is glued or attached to the mounting frame. For this purpose, adhesive 40 is used between the transparent cover 38 and the mounting frame. On assembly, the adhesive 40 is applied either to the transparent cover 38, to the mounting frame 34, or to both elements. Preferably, an adhesive is chosen which makes it possible, for different thermal expansions of the material of the transparent cover 38 and of the mounting frame 34, to compensate for the mechanical stresses between the two elements. As adhesive, for example, an ultraviolet-curing liquid adhesive or a double-sided adhesive tape is used.
    In the embodiment presented here, the adhesive 40 is placed between the mounting frame 34 and the transparent cover 38 so that, in the area of the display matrix 32, the transparent cover and also the display matrix 32 do not have adhesive. The adhesive is thus completely outside the display surface.
    In the embodiment presented here, the display unit 31 has a transparent cover preferably without leaving gaps above the optical adhesive.
    The mounting frame 34 has, in addition, mechanical fastening means for hanging the mounting frame including the display unit 31 and the transparent cover in the display installation 30. In the embodiment shown here, the mounting frame 34 has a screwdriver dome 41. By screwing it is thus possible to connect the mounting frame 34 to the other parts of the display installation 30.
    In the embodiment presented here, there is provided a support frame 42 which has a screw hole 43. By screwing a screw in the screw hole 43 and in the corresponding dome 41, the mounting frame is connected to the frame 42. The axis of rotation of the not shown screw is shown schematically by the broken line 47.
    The side of the support frame 42 opposite the display unit 31 has a cover connected to the rear side of the display installation 30 which covers it.
    In the embodiment presented here, an electronic control unit 45 equips the support frame 42. An electronic control unit 45 is connected to the display unit 31 by a control link 46 for the power supply of the control unit. the display unit 31 and / or the data transmission by the control link 46, for example, in the form of a flexible conductive element.
    Preferably, three screw connections are provided between the support frame 42 and the mounting frame 34. In place of the screw connections can also be considered hooking connections. In particular, it is advantageous to provide, on the rear side, a cover 44 opposite to the observer's side which is attached to the support frame 42.
    In the embodiment shown, the transparent cover 38 completely covers the mounting frame 34 and protrudes therefrom. According to another embodiment, it is nevertheless possible for the mounting frame 34 to overflow the cover or the transparent cover. Preferably, this surface may be covered for the observer by other elements which, if any, are part of the control panel and not the roof installation.
    FIG. 4 shows another embodiment of a display installation 30 'represented by a sectional view. In this embodiment, the support frame 42 is connected to the housing 33 of the display unit. For this, the side of the housing 33, opposite the transparent cover 38 preferably comprises several screw domes 92, 93 in particular between two and six (inclusive) preferably provided in the area of the edge of the rear side. of the housing 33. Corresponding screwdriving domes are made on the support frame 42. For fixing, a screw is passed through the support frame 42 to come into the screwdriving domes 92, 93 of the housing 33. In a variant, we can also consider a bonding connection.
    Fig. 5 is a top view of the transparent cover in the form of a transparent cover plate 38 shown from the display unit 31. The transparent cover plate 38 has a transparent, light-permeable window 50 The remaining surface 51 of the transparent cover plate 38 is glued or coated to be opaque. In the vicinity of the window 50 there is the window 52 which is also transparent or permeable to light. According to another embodiment, it is also possible to print pictograms in the window 52 that is transparent to light. The window 52 transparent to the light makes it possible to make visible lighting elements installed behind the window 52. These elements can be selectively controlled to represent information for the driver and in particular warning information. The display units can also operate even if the display unit 31 is damaged to allow then to present important information to the driver.
    In the vicinity of the transparent, ie light-transparent zones 50, 52, there is a first glued element 53 and a second glued element 54. The glued elements 53, 54 which are, for example, under the double-sided adhesive tape, are applied to the material of the transparent cover plate 38. According to another embodiment, the adhesive material can also be applied to the transparent cover plate by a dispenser such as, for example in the form of a bead of glue. On these adhesive elements 53, 54 the mounting frame 34 is applied during the manufacture of the display installation 30.
    The transparent cover (or transparent cover) 38 may have edges made to fit into a recess of the vehicle dashboard. According to one embodiment, the transparent cover plate 38 can also be bent, in particular concavely with respect to the side facing the observer.
    Figure 6 shows an exemplary embodiment of a mounting frame 34. The mounting frame 34 has a housing 60 which receives the housing 33 with the display backlight; this box is installed by a connection by the form. In one embodiment, the edge 61 of the mounting frame is adjacent to the backlight unit. Figure 5 shows the side of the mounting frame 34 opposite to the cover plate 38. In the embodiment described here, there are three screwdriving domes (screwdrivers) 62, 63, 64 on the rear side of the frame. mounting 34 opposite the cover plate 38. These mounting domes are used to connect the mounting frame 34 preferably to the support frame. The screwdriving domes form positioning aid means. In the embodiment shown, on a mounting dome, for example, a first and a second shape 65, 66 have been provided which, together, enable the transport frame to fit into the mounting frame 34 during manufacture.
    The mounting frame includes, in its embodiment shown here, the distance of the housing 60, a first opening 67 and a second opening 68. The openings 67, 68 may receive other display units by plugging.
    Figure 7 shows an embodiment of a mounting frame 70 adapted to a cover plate 71 transparent, curved. The transparent cover plate 71 is adhered by adhesive or adhesive elements 72 to the mounting frame 70. A housing 73 for a die - a display unit and an opening 74 for another display unit are shown schematically in dashed lines. . A mounting frame thus produced makes it possible to receive transparent cover plates having an extension of more than 40 cm, in a manner that is locked in bending and is case-insensitive in a vehicle.
    FIG. 8 shows an exemplary embodiment of another display unit 80 that can slide in one of the openings or orifices 67, 68 of the mounting frame 34. The display unit 80 has a first light source 81 and a second light source 82. The light sources 81, 82 are photodiodes which are controlled separately. The display unit 80 has a frame 83, in particular made of plastic, receiving light sources 81, 82 which are thus blocked. According to another development, it is also possible to provide other functional elements in the display unit 80, for example a camera for observing the driver or a reception unit for controlling the brightness or for receiving remote control signals. The side facing the transparent cover or transparent cover 38 according to an embodiment of the display unit 80 is provided with an adhesive 84. At the realization of the display device, the display unit 80 is slid. in one of the openings 67, 68 to then glue it to the transparent cover 38 in such a way that subsequently the light of the light sources 81, 82 can pass through the transparent areas of the transparent cover plate and display the information for the driver.
    NOMENCLATURE OF MAIN ELEMENTS 1 Display installation 2 Display unit 3 Driver installation 4 Computer / calculator installation 5 Data bus 6 Scale / scale 7 Symbol / pictogram 8 Interface 9 Vehicle data bus 10 Interface 11 Interface 12 Memory 13 Other display unit 14 Other display unit 20 Instrument panel / instrument panel 21 Top edge of instrument panel 22 Glass / glass cover 23 Center console 24 Display installation 25 Display installation 30 Display Installation 31 Display Unit 32 Display Matrix 33 Enclosure 34 Mounting Frame 35 Bracket / Fixture 36 Projection / Bracket 37 Front Side of Mounting Frame 38 Transparent Cover / Clear Cover 39 Coating 40 Adhesive 41 Face Dome 42 Support Frame 43 Face Hole 45 Control Unit 46 Control Link 47 Line Dismissed 50 Window 51 Remaining surface 52 Other window 53 First adhesive element / first adhesive element 54 Second adhesive element / second adhesive element 60 Housing 61 Edge of mounting frame 62, 63, 64 Screwing domes / screwdrivers 65, 66 Shapes / parts formatting 67 Aperture 68 Aperture 70 Mounting frame 72 Cover plate transparent, curved 73 Housing 74 Aperture 81, 82 Light sources 83 Frame 91 Backside of housing 92, 93 Screwdriving domes / screwdrivers
    权利要求:
    Claims (11)
    [1" id="c-fr-0001]
    1 °) display installation (30) for a motor vehicle having a display unit (31) having at least one display matrix (32), a mounting frame (34) for receiving a housing (33) of the display unit and a transparent cover (38) for covering the display unit (31) on the side facing the display surface of the display unit (31), the mounting frame (34) being bonded by the transparent covering (38), by bonding or bonding, so that the housing (33) of the display unit (31) is held by the mounting frame (34) in the vicinity of the transparent cover (38).
    [0002]
    Display device according to claim 1, characterized in that the display unit (31) has a display surface and small peripheral sides of the housing (33) adjacent to the display surface, the mounting frame (34) surrounding the display unit (31) on the short sides.
    [0003]
    Display device according to one of Claims 1 and 2, characterized in that the display unit (31) is held spaced from the transparent cover (38) by the mounting frame (34). .
    [0004]
    4 °) Display installation according to one of claims 1 to 3, characterized in that the transparent cover (38) is of curved shape.
    [0005]
    Display installation according to claim 1, characterized by a support frame (42) for receiving the mounting frame (34), the mounting frame (34) having mechanical connection means (41) for providing a mechanical connection with the support frame (42).
    [0006]
    Display device according to claim 5, characterized in that the support frame (42) has an electronic circuit (45) for controlling the display unit (31).
    [0007]
    7 °) display installation according to one of claims 5 and 6, characterized in that on the side of the support frame located opposite the transparent cover (38) is mounted a cover (44) connected to the support frame (42).
    [0008]
    8 °) display installation according to one of claims 1 to 7, characterized in that in the vicinity of a receiving housing (60) of the display unit (31), the mounting frame (34) ) has an opening (67, 68) for holding a display unit (80).
    [0009]
    9 °) display installation according to claim 8, characterized in that the display unit (80) has at least one light source (81, 82).
    [0010]
    Display device according to one of Claims 8 and 9, characterized in that the side facing the transparent cover (38) of the display unit (80) is provided with an adhesive (84). allowing its bonding on the transparent cover (38).
    [0011]
    11 °) A method of producing a display installation of a motor vehicle according to which a display unit comprising at least one display matrix is placed in a mounting frame for receiving the display unit, the mounting frame being bonded with the display unit to a transparent cover plate to cover the display unit on the side facing the display surface of the display unit and the mounting frame is connected to the transparent cover plate by bonding or gluing so that the display unit is held by the mounting frame in the vicinity of the transparent cover plate.
    类似技术:
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    同族专利:
    公开号 | 公开日
    CN106945524A|2017-07-14|
    FR3045912B1|2020-08-14|
    DE102015226025A1|2017-06-22|
    CN106945524B|2022-03-01|
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    法律状态:
    2017-12-19| PLFP| Fee payment|Year of fee payment: 2 |
    2018-12-18| PLFP| Fee payment|Year of fee payment: 3 |
    2019-11-08| PLSC| Publication of the preliminary search report|Effective date: 20191108 |
    2019-12-19| PLFP| Fee payment|Year of fee payment: 4 |
    2020-12-17| PLFP| Fee payment|Year of fee payment: 5 |
    2021-12-15| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102015226025.9A|DE102015226025A1|2015-12-18|2015-12-18|Display device for a motor vehicle|
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