• 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:
    The invention relates to a lighting device (1) for a motor vehicle headlight, wherein the lighting device (1) comprises an optically relevant structural unit (10), which structural unit (10) comprises two pivot axes (H, V) extending normal to one another in a housing (100 ), wherein for pivoting about each of the axes (H, V) in each case a drive (20, 30) is provided, wherein the two drives (20, 30) fixedly arranged in the housing (100), wherein the first drive (20) for pivoting the assembly (10) about the first axis (H) comprises a linear drive element (21) or drives, which linear drive element (21) articulated to the assembly (10) by means of a hinge (22) and wherein further a driver element (40) is provided, which driver element (40) at least one bearing point (41, 42), preferably two bearing points (41, 42), in which at least one bearing point (41, 42), the structural unit ( 10) around the the first axis (H) is pivotally mounted, and wherein the driver element (40) in a plane normal to the second axis (V) about this second axis (V) pivotally mounted in the housing (100), and wherein the at least a bearing (41, 42) is formed such that upon rotation of the driver element (40) about the second axis (V), the assembly (10) is rotated with the driver element (40), and wherein the second drive (30) the driver element (40) about the second axis (V) is rotated.
    公开号:AT515268A1
    申请号:T50847/2013
    申请日:2013-12-20
    公开日:2015-07-15
    发明作者:Peter Baminger
    申请人:Zizala Lichtsysteme Gmbh；
    IPC主号:
    专利说明:

    Lighting device for a motor vehicle headlight
    The invention relates to a lighting device for a motor vehicle headlight, wherein the lighting device comprises an optically relevant structural unit, which structural unit can be pivoted about two mutually normally running pivot axes in a housing.
    An optically relevant structural unit is, for example, a light module, a light module unit, which consists of one or more light modules, or one or more components of such a light module or such a light module unit, wherein this component or these components Have an influence on the light distribution generated by the light module or by the light module unit.
    With a light module, a specific light distribution, such as a high beam distribution, a dimmed light distribution, such as a dipped beam, a fog light distribution, etc. can be generated, or a light module is used in the context of a light module unit for generating a part of such a light distribution.
    In an (optically relevant) structural unit of a light module or a light module unit which has an influence on the light distribution generated with the light module or with the light module unit, it is generally a component, e.g. it may be, for example, a reflector, a lens, a diaphragm, a light source or a light source arrangement or other light-shaping means, such as light guides, light guide, etc.
    For adjusting the light image and / or for generating dynamic light distributions, for example for generating a dynamic cornering light and / or a dynamic headlamp leveling, it is frequently provided that an optically relevant structural unit (as described above is a modular unit in the sense of an actual unit of several components, but also to be understood as a single component) by one, preferably by two axes, eg a horizontal axis and a vertical axis is pivotable.
    The optically relevant structural unit, for example the light module to be pivoted, is mounted in a support frame which is mounted on a further support frame about a first axis. This second support frame is pivotally mounted about a second axis in a housing of the lighting device or the vehicle headlamp, in which the lighting device is located.
    Such support frames are usually large and stable and require on the one hand corresponding space and on the other hand for dynamic pivoting correspondingly strong drives.
    It is an object of the invention to provide a lighting device, which allows pivoting of an optically relevant assembly about two axes, and which has a smaller footprint than known from the prior art devices.
    Furthermore, the invention relates to a vehicle headlight with at least one such lighting device.
    This object is achieved with an illumination device mentioned above in that according to the invention for pivoting about each of the axes is provided in each case a drive, wherein the two drives are arranged fixed in the housing, wherein the first drive for pivoting the assembly about the first axis a linear drive element includes or drives, which linear drive element is articulated to the assembly by means of a joint, and wherein further a driver element is provided, which driver element at least one bearing point, preferably two bearing points, in which at least one bearing point, the assembly is pivotally mounted about the first axis , and wherein the driver element in a plane perpendicular to the second axis about this second axis is pivotally mounted in the housing, and wherein the at least one bearing point is formed such that upon rotation of the driver element about the second axis d The assembly with the driver element is rotated with, and wherein the second drive rotates the driver element about the second axis.
    With the embodiment of the invention can be dispensed with the use of support frame. Accordingly, the space requirement is reduced. In addition, lower
    Move masses during pivoting so that weaker drives can be used. In known solutions, a lighting unit (light module) is usually mounted in a support frame and pivoted together with this support frame (i.e., an adjustment device engages the support frame, pivots it and, correspondingly, swivels the light module). On the support frame is usually still sitting a cornering light engine, which pivots the light module relative to the support frame. Such an arrangement, unlike the present invention, requires significantly more space, is more unstable and prone to error. In the present invention, in contrast to the prior art, the optically relevant assembly, e.g. just a light module pivoted by the adjusting directly attack the optically relevant unit, on support frame is omitted.
    In order to make an adjustment or adjustment, in particular dynamic adjustment of the light image in the vertical direction (up / down), it is provided that preferably the first axis is a horizontal axis which is normal to the optical axis of the lighting device.
    In order to make an adjustment or adjustment, in particular dynamic adjustment of the light image in the horizontal direction (left / right), it is provided that alternatively or preferably in addition the second axis is a vertical axis which normal to the first axis and the optical axis of Lighting device stands.
    It is particularly advantageous if the second axis extends in the vicinity of the mass center of gravity or by the mass center of gravity of the optically relevant structural unit. If the axis does not run through the center of gravity, under mechanical stress, such as shaking in the ferry and the resulting acceleration forces by the distance from the center of gravity to the axis through the mass of the unit a torque that must be cushioned by the drive. This torque and the requirement to be able to dynamically control a cornering light or a headlight range control under these conditions in this case make the high demands on the drive, which can be reduced by the arrangement preferably described.
    Furthermore, it is provided in a specific embodiment that the first and the second axis intersect each other. In this way, the necessary space can be kept small.
    Furthermore, it is advantageous if the linear drive element, which is driven by the first drive, is a rack. Thus, larger displacement angles can be achieved with larger swing lever lengths, especially in connection with the use of rotary drives, e.g. Rotary engines. When using an adjustment with rack on the one hand by the gear ratio or the design of the ring gear adjusting torque and on the other hand, the adjustment can be well adjusted. The possible adjustment angle is not limited when using a rotating drive.
    In addition, it can be advantageously provided that the driver element comprises at least one sprocket, is connected to at least one sprocket or is designed as a sprocket.
    The sprocket is formed only over a, preferably small, pitch circle and not over a full circle, wherein the pitch circle is selected such that the desired United pivoting movement, i. the desired Ver pivoting range can be realized.
    Furthermore, it is advantageously provided that the second drive has one or more, e.g. two drive pinion drives which pinions drive the at least one sprocket.
    Such an arrangement requires little space and it can still be realized sufficient Ver pivoting range. For stability reasons, an arrangement of two drive pinions, one on each side of the sprocket (this has correspondingly on both sides teeth), is advantageous. Excessive torque can cause damage to the teeth on the sprocket and sprocket due to (at least temporary) deformation of the parts. If the sprocket is enclosed on both sides with the drive sprockets, the adjustment force is distributed over twice as many teeth and the construction is therefore more stable.
    It is preferably provided that the first and / or the second drive is (are) designed as a rotating drive (s).
    In order to enable optimal, sufficient movement of the optical unit, it is advantageously provided that the joint is a ball joint.
    In this case, it is provided in a preferred embodiment that the ball joint comprises a ball which is arranged on the structural unit or on the linear drive element, and wherein the ball is mounted in a bearing point which is arranged on the linear drive element or the structural unit.
    Moreover, it is advantageous if the bearing is cylindrical. In a home position, i. a non-pivoted position of the optically relevant assembly, the cylinder axis is formed by the second axis.
    In this way, on the one hand allows a rotational movement through the joint, on the other hand, a linear movement in the direction of the cylinder axis is possible. Since the assembly moves around a spherical bearing and the linear drive element moves linearly, the adjustment changes the radius from the point of rotation to the point of application. This change in length is compensated by the cylindrical configuration of the bearing.
    Preferably, it is further provided that the optically relevant structural unit is further mounted on an area opposite the first joint or remote from the housing with a further joint.
    The phrase "stored on the housing " means "stored with respect to the housing"; that is, the support does not necessarily have to be made directly on the housing, but may also be made of other components fixedly attached to the housing.
    Preferably, it is provided that the second joint is a ball joint.
    In a specific embodiment of the invention, it is provided that the optically relevant structural unit comprises a lens and a lens holder, wherein the lens holder is pivotably mounted about the two axes. The lens is fixedly mounted in the lens holder and held by this.
    In another preferred embodiment of the invention it is provided that the optically relevant structural unit is formed by a light module, which light module is mounted pivotably about the two axes.
    In particular, the invention relates to a lighting device, which for generating a dynamic cornering light and / or a dynamic headlight range adjustment.
    The above-mentioned objects are further achieved with a vehicle headlight, which comprises at least one lighting device described above, which is arranged at least one lighting device preferably in the housing of the vehicle headlight.
    The invention is explained in more detail below with reference to the drawing of an exemplary embodiment. In this shows
    1 shows a lighting device according to the invention in a housing in a view from the front,
    2 shows the housing of Figure 1 with lighting device in a side view,
    3 is an enlarged view of the detail D of Figure 2,
    4 is a perspective view of the lighting device obliquely from the front,
    5 is a perspective view of the lighting device from obliquely behind,
    6 is an exploded view of the lighting device in a perspective view obliquely from above, and
    Fig. 7 is an exploded view of the lighting device in a perspective view from below.
    Figures 1 and 2 show a housing 100 of a motor vehicle headlamp, in which in the example shown, a lighting device 1 according to the invention is arranged in the form of a light module. The lighting device 1 comprises e.g. one or more light sources, not shown, further e.g. a - also not shown - light-forming body, such as a reflector, and an optically relevant assembly 10, which is mounted around two mutually normal pivot axes Η, V in the housing 100 pivotally-bar.
    With such a light module 1, a specific light distribution, such as a high beam distribution, a dimmed light distribution, such as a dipped beam, a fog light distribution, etc. can be generated, or a light module is used in the context of a light module unit for generating a part of such a light distribution.
    In the embodiment shown, the optically relevant assembly 10 is formed in the form of a light module. This light module 10 consists in the embodiment shown of a holder 12 to which a lens 11 is fixedly attached, which is indicated by the reference numeral 11 but not shown. Furthermore, such a light module usually also comprises one or more light sources, one or more reflectors and possibly also a diaphragm arrangement, which are likewise connected in a known manner to the holder 12. For better clarity, these components of the light module are not shown in the figures. The holder 12 and thus the light module 10 is pivotally mounted about the two axes Η, V.
    The first axis H is a horizontal axis, which is normal to the optical axis X of the lighting device 1, the second axis V is a vertical axis which is normal to the first axis H and the optical axis X of the lighting device 1. Preferably, as shown, the first axis H and the second axis V intersect.
    It is particularly advantageous if the second axis V extends in the vicinity of the center of gravity or through the center of gravity of the optically relevant assembly 10.
    With such a pivotable light module 10, an adjustment or adjustment, in particular dynamic adjustment of the light image in the horizontal direction (left / right) can be made, in addition, an adjustment or adjustment, in particular dynamic adjustment of the light image in the vertical direction (up / down) respectively.
    Continuing reference will be made to Figures 1-7.
    For pivoting the assembly or the light module 10 about each of the axes Η, V is in each case a drive 20, 30 is provided, wherein the two drives 20, 30 are arranged fixed in the housing 100.
    The first drive 20 for pivoting the assembly 10 about the first, horizontal axis H drives a linear drive element 21, which linear drive element 21 with the assembly 10, i. is pivotally connected to the holder 12 by means of a joint 22.
    The linear drive element 21, which is driven by the first drive 20, is a rack.
    The first drive 20 is a rotating drive that drives a gear of gears (see, for example, Figure 4), which in turn drive the rack 21.
    Furthermore, a second drive 30 for pivoting the optical assembly 10, i. in particular of the holder 12 is provided. For this purpose, the second drive 30 rotates a driver element 40 about the second axis V, wherein this driver element 40 has two bearing points 41, 42, in which bearing points 41, 42, the assembly 10 and the holder 12 is pivotally mounted about the first axis H. For this purpose, the holder 12 has corresponding abutment regions 41 ', 42' with or via which it is pivotably mounted in the bearing points 41, 42, on the driver element 40 about the axis H.
    The holder 12 or the optical assembly 10 is mounted pivotably on the driver element 40 only about the axis H, ie, the bearing points 41, 42 are formed in such a way, a movement in a different direction with respect to the driver element 40 is not possible, so that upon rotation of the driver element 40 about the second axis V, the assembly 10 is rotated with the driver element 40 with.
    The driver element 40 is further mounted in a plane normal to the second axis V about this second axis V pivotally mounted in the housing 100.
    The second drive 30, in turn, is a rotating drive which has one or more, e.g. two drive pinion 31 drives which pinions 31 drive an inner and an outer ring gear 44 on the driver element 40 and thus the driver element 40, so that in the plane in which it lies about the axis V rotates.
    The sprockets are formed only over a, preferably small, pitch circle as shown and not over a full circle, wherein the pitch circle is selected such that the desired pivoting movement, i. the desired Verwenkbereich is feasible.
    The hinge 22, with which the holder 12 is connected to the rack 21, is designed as a ball joint or ball-joint-like. As can be seen in particular from FIG. 3, it is provided that the ball joint 22 comprises a ball 22 'which is arranged on the holder 12, and wherein the ball 22' is held in a bearing 22 " is mounted, which is arranged on the rack 21.
    The storage location 22 " is cylindrical, wherein the cylinder axis is formed in a basic position of the assembly 10, in which it is not pivoted, of the second axis V. In this way, a rotational movement of the lens holder 12 is made possible by the joint 22 on the one hand, on the other hand, a linear movement in the direction of the cylinder axis is possible.
    It is further envisaged that the optically relevant assembly 10, i. in the example shown, the holder 12 is mounted on the housing 100 at a region opposite or opposite the first joint 22 with a further joint 52.
    The phrase "stored on the housing " means "stored with respect to the housing"; that is, the support does not necessarily have to be made directly on the housing, but may also be made of other components fixedly attached to the housing.
    In the example shown, the bearing takes place with the joint 52 at an intermediate part 60, which intermediate part is fixedly connected to the housing 100 or can be connected thereto. At this intermediate part, the second drive 30 is fixed in the embodiment shown.
    The second hinge 52 is again a ball joint consisting of a pivot ball 52 'disposed on the intermediate portion 60 and a pivot cup 52 " on the optical assembly 10 and on the holder 12 consists. The ball 52 'is inserted into the pan 52 " a-clipped. A disk 62 serves as a kind of closure for increasing the stability. Blend part 61 completes together with the bearings 42 a kind of "storage fork", wherein the screen member 61 is plugged in the Z direction.
    Furthermore, a pin 63 is still provided, which is inserted into corresponding openings in the components 60, 61, 40, preferably pressed therein and holds these components together, wherein the driver element 40 can rotate about the axis V with respect to the intermediate part 60.
    With an arrangement according to the invention, when pivoting about the horizontal axis H, which is located in an upper area, preferably in the area of the upper ball joint 52, the optical unit 10 is pivoted about the bearing points 41, 42 with the first drive 20. The upper ball joint 52 allows this pivoting movement. Due to the configuration of the lower ball joint 22, in particular the cylindrical bearing 22 " a slight up / down movement of the optical assembly 10 is possible, so that the pivoting movement is not hindered.
    When pivoting about the vertical axis V with the second drive 30, the driver element 40 takes over the bearings 41, 42 with the optical assembly 10, this is rotated accordingly about the axis V. The ball joints 22, 52 allow this movement.
    It should be noted that the two axes Η, V are always normal to each other. However, the orientation of the plane spanned by Η, V normal to the optical axis X is only in the "home position". given upon pivoting of the assembly e.g. The axis H is no longer in a normal plane to X (and vice versa) about the axis V.
    权利要求:
    Claims (18)
    [1]
    1. Lighting device (1) for a motor vehicle headlight, wherein the lighting device (1) comprises a visually relevant structural unit (10), which structural unit (10) about two mutually normally pivot axes (Η, V) in a housing (100) is pivotable , wherein for pivoting about each of the axes (Η, V) in each case a drive (20, 30) is provided, wherein the two drives (20, 30) are arranged fixed in the housing (100), wherein the first drive (20) for pivoting the assembly (10) about the first axis (H) comprises a linear drive element (21) or drives, which linear drive element (21) to the assembly (10) by means of a hinge (22) is pivotally connected, and wherein further comprises a driver element (40) is provided, which driver element (40) at least one bearing point (41, 42), preferably two bearing points (41, 42), in which at least one bearing point (41, 42), the assembly (10) to the first Axis (H) is pivotally mounted, and wherein the driver element (40) in a plane perpendicular to the second axis (V) about this second axis (V) is pivotally mounted in the housing (100), and wherein the at least one bearing point ( 41, 42) is formed such that upon rotation of the driver element (40) about the second axis (V), the structural unit (10) with the driver element (40) is rotated, and wherein the second drive (30) the driver element ( 40) about the second axis (V) is rotated.
    [2]
    2. Lighting device according to claim 1, characterized in that the first axis (H) is a horizontal axis, which is normal to the optical axis (X) of the lighting device (1).
    [3]
    3. Lighting device according to claim 1 or 2, characterized in that the second axis (V) is a vertical axis which is normal to the first axis (H) and the optical axis (X) of the lighting device (1).
    [4]
    4. Lighting device according to one of claims 1 to 3, characterized in that the second axis (V) in the vicinity of the mass center of gravity or by the mass center of gravity of the optically relevant assembly (10).
    [5]
    5. Lighting device according to one of claims 1 to 4, characterized in that the first and the second axis (Η, V) intersect each other.
    [6]
    6. Lighting device according to one of claims 1 to 5, characterized in that the linear drive element (21) which is driven by the first drive (20) is a rack.
    [7]
    7. Lighting device according to one of claims 1 to 6, characterized in that the driver element (40) comprises at least one sprocket, is connected to at least one sprocket or formed as a sprocket.
    [8]
    Lighting device according to claim 7, characterized in that the second drive (30) comprises one or more, e.g. two drive pinion (31) drives which pinions (31) drive the at least one sprocket (44).
    [9]
    9. Lighting device according to one of claims 1 to 8, characterized in that the first and / or the second drive (20, 30) as a rotating (r) drive (s) are formed from (is).
    [10]
    10. Lighting device according to one of claims 1 to 9, characterized in that the joint (22) is a ball joint.
    [11]
    Lighting device according to claim 10, characterized in that the ball joint (22) comprises a ball (221) which is arranged on the assembly (10) or on the linear drive element, and wherein the ball is mounted in a bearing (22 ") which is arranged on the linear drive element (21) or the structural unit.
    [12]
    12. Lighting device according to claim 11, characterized in that the bearing point (22 ") is cylindrical.
    [13]
    13. Lighting device according to one of claims 1 to 12, characterized in that the optically relevant structural unit (10) further mounted on a first hinge (22) opposite or remote area with a further joint (52) on the housing (100) is.
    [14]
    14. Lighting device according to claim 13, characterized in that the second joint (52) is a ball joint.
    [15]
    15. Lighting device according to one of claims 1 to 14, characterized in that the optically relevant structural unit (10) comprises a lens (11) and a lens holder, wherein the lens holder about the two axes (Η, V) is pivotally mounted.
    [16]
    16. Lighting device according to one of claims 1 to 14, characterized in that the optically relevant structural unit (10) is formed by a light module, which light module about the two axes (Η, V) is pivotably mounted.
    [17]
    17. Lighting device according to one of claims 1 to 16, for generating a dynamic cornering light and a dynamic headlamp leveling.
    [18]
    18. A vehicle headlamp with at least one lighting device (1) according to one of claims 1 to 17.
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    同族专利:
    公开号 | 公开日
    CN104728727A|2015-06-24|
    AT515268B1|2015-10-15|
    EP2886394A1|2015-06-24|
    CN104728727B|2018-07-17|
    EP2886394B1|2017-06-28|
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    DE10131098A1|2001-06-27|2003-01-09|Hella Kg Hueck & Co|Headlamp for road vehicle has actuators and adjusters mounted on holder part to form first and second setting devices for adjusting light module about common horizontal or vertical axis|
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    FR2980749A1|2011-10-03|2013-04-05|Sonceboz Sa|ACTUATOR FOR LIGHT OF VEHICLE|DE102018102339A1|2018-02-02|2019-08-08|HELLA GmbH & Co. KGaA|Adjustment device for adjusting a light module in a lighting device|
    EP3616992B1|2018-08-27|2021-03-10|ZKW Group GmbH|Adjusting device for a motor vehicle headlight|
    CN110985990A|2019-10-31|2020-04-10|江苏恒瑞车灯有限公司|Adjusting and fixing device for lens of combined headlamp and combined headlamp|
    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 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50847/2013A|AT515268B1|2013-12-20|2013-12-20|Lighting device for a motor vehicle headlight and motor vehicle headlights|ATA50847/2013A| AT515268B1|2013-12-20|2013-12-20|Lighting device for a motor vehicle headlight and motor vehicle headlights|
    EP14194931.3A| EP2886394B1|2013-12-20|2014-11-26|Lighting device for a motor vehicle headlight|
    CN201410791964.2A| CN104728727B|2013-12-20|2014-12-19|Lighting device for motor-driven vehicle headlight adapter|
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