• 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:

    公开号:AT510221A1
    申请号:T0126110
    申请日:2010-07-27
    公开日:2012-02-15
    发明作者:Michael Pemmer
    申请人:Zizala Lichtsysteme Gmbh；
    IPC主号:
    专利说明:

    ΡΠ781
    Support frame for a vehicle headlight
    The invention relates to a support frame for a vehicle headlight, wherein the support frame is suitable for receiving at least one light unit. Furthermore, the invention relates to a vehicle headlight with at least one housing which is closed by a cover, with a support frame as mentioned above. In recent years, pedestrian protection has become increasingly important in the field of vehicle headlight construction. In particular with regard to passive protection, pedestrian protection requirements have been established by law in order to reduce the risk of injury to pedestrians and other vulnerable road users in the event of a collision.
    Accordingly, there are a number of solutions in the art for minimizing the risk of injury to pedestrians in the event of a collision.
    DE 101 01 789 B4 shows, for example, a headlamp in which the housing and / or a translucent pane mounted therein have predetermined breaking points in the form of reduced wall thicknesses. A similar solution is disclosed in DE 699 00 059 T2, where the side walls of the headlamp body or the housing mechanically weakened deformable sections - for example in the form of slots or grooves - have, where at load concentrations to form plastic hinges, the one allow controlled deformation.
    A disadvantage of these solutions is that although the housing and / or the cover of the headlamp devices have to dissipate impact energy, but that the internal structure of the headlight is disregarded. Therefore, in the event of deformation, internal parts of the headlamp can slide out of the housing and lead to injuries.
    DE 10 2007 047 413 A1 therefore shows a solution in which the elements have predetermined breaking points inside the headlamp, so that these elements can collapse in the event of an impact, for example by telescoping pushing together. These predetermined breaking points can be realized in that the said elements are made in several parts and subsequently connected overlapping each other. The predetermined breaking points can also be realized as material tapers, material kinks or material notches, which initiate a targeted material breakage upon impact. The disadvantage of this solution is that in the event of a collision, it is still the case Headlight parts, such as the light module, can push out of the housing.
    In addition, vehicle headlights must meet ever higher demands. For example, even a very slight trembling of the photo, in the ferry on bad road, no longer accepted. This makes it necessary to perform the elements inside a headlight much stiffer, for example by means of metal casting or glass fiber reinforced plastic. This also applies to support frames and adjusting elements, with which the light units are usually held on the housing of the vehicle headlight. Due to the increased rigidity of the inner components, there is the problem that they also hardly give in the event of an accident. The provision of Sollbruchstellcn in the form of material tapers and notches may here be disadvantageous due to the brittleness of the material - the breaking points could break due to shocks in normal operation.
    It is therefore an object of the invention to improve the stated disadvantages of the prior art and to minimize the risk of injury from vehicle headlights in the event of a collision with pedestrians.
    This object is achieved with an aforementioned support frame for a vehicle headlamp according to the invention that the support frame has at least one predetermined breaking point element.
    Thanks to the invention, it is ensured that the support frame selectively breaks in the event of a collision and thus the impact energy can be dissipated by displacing and / or deforming the support frame. Thus, the legal pedestrian protection requirements can be met, especially if the support frame is not made of plastic but for example made of metal, such as die-cast aluminum or magnesium, or made of glass fiber reinforced plastic.
    In a variant of the invention, the support frame has at least one first support frame part and at least one second support frame part and the predetermined breaking point element is arranged between the first and the second support frame part. In a further variant of the invention, a connecting frame part is provided between the first and the second supporting frame part and at least one predetermined breaking point element is between the first supporting frame part and the connecting piece and / or at least one predetermined breaking point element between the second supporting frame part and the connecting piece and / or at least one predetermined breaking point element on the connecting piece arranged. Conveniently, the predetermined breaking point element is designed as a separate component and fastened by means of fastening means on the support frame. Preferably, the break point element is made of a different material (e.g., plastic) than the support frame itself.
    The support frame has for receiving the predetermined breaking point element, for example, a recess / interruption.
    In this case, the predetermined breaking point element preferably has at least one material weakening for targeted breaking. This material weakening can be realized for example as a notch, depression or thinning in the support frame.
    Furthermore, it is advantageous if the predetermined breaking point element has a slit-like free position that expediently extends through a large part of the element. This release supports the effect of the breaking point element by facilitating and facilitating breakage in the event of a collision.
    The exemption is conveniently parallel to the edges of the recess / interruption in the support frame.
    In a variant of the invention, the slot-like exemption is limited at its upper end on the side of the upper side of the support frame and / or at its lower end on the underside of the support frame of a material weakening. The upper end or the upper side of the support frame here denotes the side which is oriented in the installed direction in the direction of travel. In principle, the material weakening (s) can also be arranged on the opposite side.
    In a further variant of the invention, the slot-like release is carried out within the predetermined breaking point element and is closed at its upper and at its lower end by a material weakening.
    If the slot-like release is arranged in the installed state parallel to the direction of an expected force, optimal function of the predetermined breaking point can be ensured. The fact that the force action in the same direction as the exemption runs, breaks the breaking point quickly and the impact energy can be derived.
    In a further embodiment of the invention, the predetermined breaking point element is designed as a screw dome with a continuous clamping section and is provided with a "* * * * * * PI1781 * · • · * * -4-
    Screw fastened as a fastener in the support frame, with material weaknesses between clamping section and Schraubdom are executed. Thus, the dimensions of the predetermined breaking point element can be reduced, further sufficient for the installation of a borehole for receiving the screw and the associated screw dome. In the normal case, such a predetermined breaking point element is sufficient for the stable connection of the parts of the supporting frame, but in principle any number of such predetermined breaking point elements can be used. It is also possible to combine this variant with the variant described above on a support frame.
    The object of the invention is further achieved with an aforementioned vehicle headlamp according to the invention that the vehicle headlamp has at least one support frame according to one of the embodiments described above. In a variant of the invention, the housing has at least one housing predetermined breaking point. This predetermined breaking point can for example be designed as a material weakening, notch or depression in the housing. The housing predetermined breaking point can be arranged adjacent to the cover. Thus, the beneficial effects of the support frame according to the invention can be further improved by the fact that in addition to the support frame also the housing can break deliberately and absorb impact energy.
    In the following the invention will be explained in more detail with reference to a non-limiting embodiment, which is illustrated in the drawing. In this shows schematically:
    1 is a vertical section through a vehicle headlamp according to the prior art,
    FIG. 2 shows a first embodiment of the predetermined breaking point element according to the invention, FIG.
    3 shows a second embodiment of the predetermined breaking point element according to the invention,
    Fig. 4 shows a third embodiment of the predetermined breaking point element according to the invention, and
    5 shows a vertical section through a vehicle headlight with the predetermined breaking point element according to the invention.
    For reasons of clarity, the exemplary embodiment illustrated in FIG. 1 only shows the components of a vehicle headlight 1 according to the prior art in vertical section that are necessary for understanding the invention. Usually, light units 5, 6 are connected via a support frame 7 and adjusting elements (not shown in the figures) ) are held on the housing 3 of the vehicle headlight 1, the setting elements consist, for example, * * * * · P · P P 11 11 .. .. .. ... * * * * * -5- bearings, setscrews and sliding elements are used to bring the light units into a basic setting and / or to compensate for dynamic vehicle position changes. The housing 3 is closed with a cover 2. The symbolically represented light units are, for example, low beam and / or high beam. The vehicle headlights provided with the solutions according to the invention described below comply with the statutory provisions according to SAE, ECE, CCC and FMVSS.
    The light units 5, 6 in Fig. 1 are superimposed and are arranged offset in the vehicle longitudinal direction. This is due to the vehicle or headlight design. In principle, the light units 5, 6-depending on the design-can be arranged horizontally next to one another and / or vertically one above the other. If you have three or more units, these can also be arranged like a matrix, both side by side and one above the other (or in the vertical and horizontal directions). The lens projection systems used in the light units 5, 6 and indicated in Fig. 1 have, especially when using lenses made of glass, a high weight and thereby make high demands on the holding elements, in particular the support frame 7 - also in terms of its dimensional stability.
    In addition, by vibrations occurring in the ferry operation, the light units 5, 6 can begin to oscillate. Such a - albeit very slight - trembling of the photograph in the ferry on bad road is no longer accepted due to current regulations. Therefore, it is necessary to perform the innards of a headlight much stiffer. To solve this problem is used in such cases support frame made of very stable materials, such as aluminum or magnesium die-casting. Instead of such die-casting solutions, the use of glass fiber reinforced plastic is conceivable. However, this must then have an increased fiber content, ie much more than the usual 10% -20%, for example 50% -60%; Although such a plastic has a high rigidity, it is also very brittle and heavy.
    Such materials have the disadvantage that one can not easily bring material weakenings here with cinstückiger execution. On the one hand, the cast has a certain brittleness (depending on the material or alloy); the support frame 7 could break at the predetermined breaking point, during normal operation (for example, by impacts in bad road conditions). On the other hand, casting is no longer so easy to produce. By introducing a material weakening creates a flow brake in the tool. The recess in the molding is a survey in the tool. There is a risk that z. B. the part is no longer completely ejected. PI1781 PI1781 »· * ·« f I * 4 · • * * * * * * * * «* * * I ·« * 4 * * * «« ·· φ -6-
    When using a plastic, the problem of the flow brake of course. But since this has better flow properties (thermoplastics), this situation can be corrected easily.
    The support frame 7 is designed in several parts and comprises a lower support frame part 8 for receiving the lower light unit 6 and an upper support frame part 9 for receiving the upper light unit 5, wherein the support frame parts 8, 9 are connected via a connecting piece 10. The terms "upper" and "lower" Here, referring to the view of the vehicle headlamp 1 in Fig. 1. In this view, the connector 10 extends in the horizontal direction, while the upper 9 and the lower support frame part 8 are vertically oriented. Of course, this is just one of several possible embodiments. To increase the rigidity, the support frame parts are designed in the present embodiment with u-shaped profiles.
    For reasons of pedestrian safety measures to reduce the risk of injury are to be made in vehicle headlamps, It is in particular on force effects from the direction indicated in Fig. 1 by the arrow 100 turn off. For this purpose, there is the possibility in the housing 3 of the vehicle headlamp, adjacent to the cover 2, housing predetermined breaking points 4 provide. In the event of a collision, the housing 3 breaks at this point and can absorb impact energy by deformation.
    This solution is known in principle from the prior art, but is not sufficient in the current state of the headlamp technology for the reasons mentioned above. The solution according to the invention therefore relates to a support frame 7 with at least one predetermined breaking point 11, which is realized by means of a predetermined breaking point element 12, 17. Various variants of the invention are shown in Figures 2 to 4.
    Fig. 2 shows a predetermined breaking element 12, which is arranged between the lower support frame part 8 and the connecting piece 10. The predetermined breaking point element 12 is designed as a separate component; for receiving the element a Ausspa-tion / interruption is performed in the support frame 7, which divides the support frame 7 between the lower support frame part 8 and connector 10. The predetermined breaking point element 12 is fastened with fastening means 15 on the support frame 7. The fasteners 15 are screws in the present example, but are also possible other solutions such as rivets, adhesive bonds, etc .; the fasteners should in any case allow a proper attachment of the predetermined breaking point element 12, as well as a connection of the support frame parts done by this attachment. P117S1 •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
    As mentioned above, the support frame cross-section is executed in the present embodiment u-shaped. The predetermined breaking point element 12 in Fig. 2 is therefore, as the support frame 7, preferably also U-shaped and is inserted from above the individual frame parts, which are connected thereto. In a variant, not shown, the predetermined breaking point element 12 is formed as a forming tube. In this case, one pushes the predetermined breaking point element 12 only on the first part of the support frame 7 and then pushes the second frame part.
    The predetermined breaking point element 12 has a first material weakening 13 in the form of a notch / depression for targeted breaking. This material weakening 13 can also be designed as circumferential perforation of the predetermined breaking point element 12.
    This first weakening of the material 13 is combined with a slit-like release 14 running underneath. In the present exemplary embodiment, the first material weakening 13 is arranged at the upper end of the release 14 on the upper side of the support frame 7. The term "upper" also here refers to the orientation of the support frame piece shown in Fig. 2 and has no limiting effect.
    In the event of an impact, therefore, the predetermined breaking point element 12 deforms due to the release 14 due to the impact energy and then breaks at the first material weakening 13, so that the support frame 7 deform and thus absorb impact energy, or can avoid the impact.
    The release 14 extends through the majority of the predetermined breaking point element 12, or its cross section, so that only a small layer of material between release 14 and first material weakening 13 remains. The release 14 runs here essentially parallel to the edges of the recess / interruption in the support frame 7.
    Fig. 3 shows a further variant of a predetermined breaking point element 12, wherein the element is arranged in the connecting piece 10. Here, at the lower end of the release 14 ("lower" here refers again to the orientation in Fig. 3), a second material weakening 13 ', also in the form of a notch / depression executed. The release 14 is thus arranged in the interior of the predetermined breaking point element 12 and is closed at its upper and at its lower end by a respective material weakening 13, 13 '.
    Another embodiment of a predetermined breaking point element 17 is shown in FIG. 4. Here, the predetermined breaking point element 17 is arranged in the connecting piece 10 of the supporting frame 7. The recess / interruption in the support frame 7 is designed so that a first connector part 10 '(in FIG. 4, left) has a bore 16 which is provided with an opening in a second connector part 10 " (on the right in Fig. 4), the second connector part 10 " the first connector part 10 'engages under. A reverse design is possible. The predetermined breaking point element 17 is designed as a screw dome 18.
    A connecting means 15, here a screw, is guided through the bore 16 in the first connector part 10 'and screwed into the screw dome 18. Thereby, the first connector part 10 'and the second connector part 10 " firmly connected.
    The screw mandrel 18 has a continuous clamping section 19, wherein at the transitions to the screw dome 18 material weakenings 20 are executed. In the event of a force acting on the support frame, the material weakening 20 yield, the clamping portions 19 detach from the screw mandrel 18 and the connection between the first 10 'and the second connector part 10 " is released, so that the support frame 7 can absorb the impact energy by deformation.
    5 shows the vehicle headlight 1 from FIG. 1 with the support frame 7 according to the invention with predetermined breaking point element 12. The predetermined breaking point element 12 is shown on the one hand at a position between connecting piece and lower support frame part 8; dashed lines are also further optional predetermined breaking point elements 12 'located. On the one hand, these optional elements designate further possible positions of the predetermined breaking point element, but on the other hand, a plurality of elements can also be arranged on the supporting frame 7. Theoretically, it would also be possible to provide all four elements shown so as to ensure optimum yielding of the support frame 7 in the event of a collision. Of course, depending on the design of the support frame 7, more than four, or any number of predetermined breaking point elements 12, 12 'may be provided. Furthermore, both predetermined breaking point elements 12 according to FIG. 2 or FIG. 3 can be combined with predetermined breaking point elements 17 with screw mandrel 18 according to FIG. 4.
    FIG. 5 furthermore shows a headlight 1 in the event of a collision in the force direction 100 (dashed line): the housing 3 yields to the housing predetermined breaking point 4, the cover 2 moves in the direction of the housing interior to the position at which a dashed cover 2 "; is shown. The cover, which is made for example of unbreakable plastic such as PC (polycarbonates) acts on the support frame 7, which breaks at the predetermined breaking point element 12 and the connector 10 and the upper support frame part 9 allows to evade - these elements are located PI 1781 ft » Then at the position indicated by the dashed connector 10 " and the dashed upper support frame part 9 " is indicated. Thus, the risk of injury is significantly reduced by headlight gutter parts.
    Vienna, 2 July 7, 2010
    权利要求:
    Claims (15)
    [1]
    1. A supporting frame (7) for a vehicle headlight (1), wherein the supporting frame (7) is suitable for receiving at least one light unit (5, 6), characterized in that the supporting frame (7) has at least one predetermined breaking point element (12,17).
    [2]
    Second support frame (7) according to claim 1, characterized in that the support frame (7) has at least a first support frame part (8) and at least a second support frame part (9) and the predetermined breaking point element (12,17) between the first (8) and the second support frame part (9) is arranged.
    [3]
    3. supporting frame (7) according to claim 1 or 2, characterized in that between the first (8) and the second support frame part (9) a connection frame part (10) is provided and at least one predetermined breaking point element (12, 17) between the first support frame part ( 8) and the connecting piece (10) and / or at least one predetermined breaking point element (12, 17) between the second support frame part (9) and the connecting piece (10) and / or at least one predetermined breaking point element (12,17) on the connecting piece (10) is.
    [4]
    4. supporting frame (7) according to one of claims 1 to 3, characterized in that the predetermined breaking point element (12, 17) is designed as a separate component and by means of fastening means (15) on the support frame (7) is attached.
    [5]
    5. supporting frame (7) according to claim 4, characterized in that the support frame (7) for receiving the predetermined breaking point element (12) has a recess / interruption.
    [6]
    6. supporting frame (7) according to one of claims 1 to 5, characterized in that the predetermined breaking point element (12, 17) has at least one material weakening (13, 20) for targeted breaking.
    [7]
    7. supporting frame (7) according to one of claims 1 to 6, characterized in that the predetermined breaking point element (12, 17) extending through a major part of the element extending slot-like exemption (14).
    [8]
    8. supporting frame (7) according to claim 7, characterized in that the free position (14) parallel to the edges of the recess / interruption in the support frame (7). PI1781 ** ·· »#« 1 · f · * · * »· *» · k -11-
    [9]
    9. supporting frame (7) according to claim 7 or 8, characterized in that the slot-like release (14) at its upper end on the side of the upper side of the support frame (7) and / or at its lower end on the underside sides of the support frame (7 ) is limited by a material weakening (13, 13 ').
    [10]
    10. supporting frame (7) according to one of claims 7 to 9, characterized in that the slot-like release (14) within the Sollbruchstcllenelements (12, 17) is executed and at its upper and at its lower end by a material weakening (13, 13 ') is completed.
    [11]
    11. supporting frame (7) according to any one of claims 7 to 10, characterized in that the slot-like exemption (14) is arranged in the installed state parallel to the direction of an expected force.
    [12]
    12. supporting frame (7) according to one of claims 1 to 6, characterized in that the predetermined breaking point element (17) is designed as a screw dome (18) with a continuous clamping section (19) and is fastened with a screw (15) as a fastening means in the support frame , wherein material weakenings (20) between the clamping portion (19) and Schraubdom (18) are executed.
    [13]
    13. A vehicle headlight (1) with at least one housing (3) which is closed by a cover (2), characterized in that the vehicle headlight has at least one support frame (7) according to one of claims 1 to 12.
    [14]
    14. Vehicle headlight (1) according to claim 13, characterized in that the housing (3) has at least one predetermined breaking point of the housing (4).
    [15]
    15. Vehicle headlight (1) according to claim 14, characterized in that the housing predetermined breaking point (4) adjacent to the cover (2) is arranged. Vienna, who 7 v ; JOiQ
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    CN201484275U|2009-06-30|2010-05-26|奇瑞汽车股份有限公司|Headlight mounting structure|DE202012102902U1|2012-08-01|2013-11-07|Zumtobel Lighting Gmbh|Mounting system for fastening at least one lamp unit in an elongated, curved mounting hole|
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    JP6399398B2|2014-12-18|2018-10-03|パナソニックＩｐマネジメント株式会社|Electric compressor|
    FR3053941B1|2016-07-13|2018-07-20|Peugeot Citroen Automobiles Sa|MASKING WALL REPAIR DEVICE FOR OPTICAL BLOCK VEHICLE USAGE|
    法律状态:
    2016-11-15| HC| Change of the firm name or firm address|Owner name: ZKW GROUP GMBH, AT Effective date: 20161014 |
    2019-03-15| MM01| Lapse because of not paying annual fees|Effective date: 20180727 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1261/2010A|AT510221B1|2010-07-27|2010-07-27|CARRIER FRAME FOR A VEHICLE HEADLAMP AND VEHICLE HEADLAMP|ATA1261/2010A| AT510221B1|2010-07-27|2010-07-27|CARRIER FRAME FOR A VEHICLE HEADLAMP AND VEHICLE HEADLAMP|
    EP11171850.8A| EP2412574B1|2010-07-27|2011-06-29|Vehicle headlight|
    CN201110212505.0A| CN102343857B|2010-07-27|2011-07-27|Support applicable to vehicle headlamp|
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