JP2018020772A - Illumination device for vehicle, vehicle having illumination device, and method for operating illumination device for vehicle - Google Patents

Abstract

The present invention relates to a lighting device, a vehicle, and a method for operating the lighting device. An illumination device (10) includes at least one light scan module (12-1), a preparation processing device (18), and a control device (20), and each light scan module (12-) is provided. 1) in each individual maximum scanning region (50-1) by the light beams (4-1) supplied from the individual light sources (14-1) via the individual mirror units (16-1). Each target scan area (52-1) is configured to be scanned, and the preparatory processing device (18) receives a tilt signal (91) indicating the current tilt (N1, N2) of the vehicle. The control device (20) controls each light scanning module (12-1), and at least during the low beam mode of the illuminating device (10), the control device (20) individually controls each light scanning module (12-1). Scan target area (52-1) is, as will be aligned on the basis of the inclination signal (91), is constructed. [Selection] Figure 2

Description

  The present invention relates to a lighting device for a vehicle, a vehicle including the lighting device, and a method of operating the lighting device for a vehicle. This illuminating device can in particular be configured as a vehicle headlamp or a projector in a vehicle. The “vehicle” can be understood as a road traveling vehicle, a ship, an aircraft, and a rail vehicle. The present invention relates to a lighting device, in particular for road vehicles, in particular for a two-wheel or three-wheel road vehicle, preferably for motorcycles or scooters.

BACKGROUND ART Vehicles can tilt in many directions while moving. In FIG. 1, various exercise modes N1, N2, and N3 are schematically illustrated by taking a motorcycle as a specific example of the vehicle 1. In FIG. 1, three possible rotation axes A1, A2, and A3 are written for the time being, and characteristics of several motion forms of the vehicle 1 are expressed with reference to these rotation axes. The rotation N3 about the axis A3 that is positioned vertically on the flat travel path of the vehicle 1 is called yawing, particularly in the context of an aircraft.

  An axis A1 is positioned perpendicular to the axis A3. This axis is parallel to the travel path of the vehicle 1 and is positioned in the forward direction of the vehicle 1. The rotation or inclination N1 around the axis A1 is referred to as rolling or roll inclination N1. The third axis A2 is positioned perpendicular to both the axis A1 and the axis A3, and extends in the transverse direction of the vehicle 1 parallel to the travel path of the vehicle 1. The rotation or inclination N2 around the axis A2 is referred to as pitching or pitch inclination N2.

  When a vehicle 1, for example a motorcycle, moves up and down or climbs, there is a possibility that a pitch inclination N2 of the vehicle 1 occurs at the center of gravity of the vehicle 1 with respect to the road and / or with respect to the absolute coordinate system. is there. Further, when the vehicle travels on a road inclined from left to right with reference to the forward direction, a roll inclination N1 of the vehicle 1 is generated. In particular, the case that corresponds to the case of a two-wheeled vehicle 1, for example, a motorcycle, is that the vehicle 1 is tilted in a turning direction when traveling along a curve. An inclination occurs, and more precisely, a roll inclination N1 occurs.

  In these cases where the inclination occurs, if the lighting device is fixedly attached as a headlamp, the traveling road ahead of the vehicle 1 is projected unevenly or undesirably. Occurs frequently.

  International Publication No. 20020607725 (WO 2002 060 725 A1) describes a headlamp unit for a single-gauge motorcycle. According to this, the inclination angle of a single-gauge motorcycle is determined by the headlamp unit as follows. Be considered. That is, the left or right headlamps respectively arranged on both sides of the central headlamp are switched on or off according to the running curve.

International Publication No. 20020607725

  For general technical solutions for illuminating the road in all tilt situations, traditionally complex optical configurations, multiple headlamps and / or complex swiveling systems and deflection systems Was needed.

SUMMARY OF THE INVENTION According to the present invention, a lighting device with the features of claim 1, a vehicle with the features of claim 12, and a method with the features of claim 13 are disclosed.

  Accordingly, at least one light scanning module including a light source and a mirror unit is provided in the bicycle lighting device, and each light scanning module is designed or configured as follows. That is, the individual mirror units of the optical scan module are used, and the individual target scan areas of the optical scan module are scanned within the individual maximum scan areas of the optical scan module by the light beams supplied from the individual light sources of the optical scan module. Designed or configured as described.

  The scan of the target scan area can also be referred to as a “scan” of the target scan area. Scanning or scanning of the target scan area is understood to mean, in particular, periodically changing the direction of the light beam for the purpose of periodically scanning or rastering the target scan area in some way. I want. As the light beam, for example, a laser beam can be supplied. Such an optical scanning module is also referred to as a laser scanner.

  It should be understood that the maximum scan area is the area that can be scanned to the maximum by the individual optical scan modules due to structural limitations and / or programming limitations. The alignment of the individual target scan areas may include in particular the displacement of the target scan area within the maximum scan area and / or the expansion and / or compression of the target scan area within the maximum scan area. The individual target scan areas are preferably one continuous scan area, particularly preferably a simple continuous scan area in the mathematical sense.

  The lighting device according to the present invention further comprises a preparatory processing device, which is designed or configured to receive a tilt signal indicative of the current tilt of the vehicle.

  The illumination device further includes a control device that controls each light scan module so that the individual target scan area of each light scan module is aligned based on the tilt signal during at least the low beam mode of the illumination device. Designed or configured as such. For a particular tilt signal, in many cases the target scan area of one particular optical scan module will remain unchanged and in only one or several minor cases the target scan area will be aligned. The situation may be included.

  In addition to the low beam mode, the lighting device according to the invention can optionally include further modes, for example a high beam mode and / or a switch-off mode.

  Furthermore, according to the present invention, a method for operating a lighting device for a vehicle is also provided. This method includes the following steps: That is, receiving a tilt signal indicative of the current tilt of the vehicle and aligning a target scan area of at least one optical scan module within the individual maximum scan area of each optical scan module based on the tilt signal And scanning each scanned target scan area with an individual optical scan module.

Advantages of the Invention According to the present invention, by using comparatively simple technical means, the light transmitted by the illuminating device can be converted into the vehicle in which the illuminating device is arranged or the vehicle in which the illuminating device is formed. Optimum alignment can be performed according to the orientation and / or traveling conditions.

  In this case, the lighting device according to the invention can advantageously be realized without using a large number of macromechanical swiveling devices and macromechanical light sources, thereby reducing the size of the lighting device, Furthermore, the manufacture, adjustment, installation and maintenance of the lighting device can be simplified.

  Advantageous embodiments and developments are shown in the dependent claims and the description with reference to the drawings.

  According to one preferred embodiment, the illumination device comprises at least two light scanning modules, in which case the preparatory processing device passes through the maximum scanning area of the at least two light scanning modules based on the tilt signal. It is designed to prepare a virtual separation curve that changes over time. If two or more optical scan modules are provided, the virtual separation curve may be shifted through two or more maximum scan areas of the existing optical scan modules. Alternatively, it may be moved through the maximum scan area of all existing optical scan modules. The virtual separation curve is sometimes referred to as a light / dark boundary, and is also referred to as a light / dark line, particularly in automobile lighting technology.

  Further, the control device controls the optical scanning module so that, during the low beam mode, the individual target scanning area of each of the at least two optical scanning modules is delimited on one side by the currently prepared virtual separation curve. Can be designed. In other words, during the low beam mode, the maximum separation area of each of the at least two light scanning modules is not currently scanned with the individual target scanning area on one side, ie the current illumination, due to the virtual separation curve. It is separated from the second portion of the maximum scan area that is not performed. Thus, by using the virtual separation curve, the light transmitted by the light scanning module can be particularly advantageously matched to the vehicle's current inclination indicated by the inclination signal.

  According to yet another preferred embodiment, the preparatory processing device is configured to receive an object signal indicative of at least one object around the lighting device. For this reason, the preparatory processing device can be designed to match the shape of the virtual separation curve based on the object signal for the purpose of irradiating at least one object or for excluding this object from irradiation. . The virtual separation curve can be formed as a continuous line, stepped line, polygonal line, arbitrary symmetric curve, parabola, etc., or can be converted to one or more of such functions based on the object signal. it can. In this way, for example, irradiation of the opposing vehicle can be reduced or avoided, and / or objects that are particularly important to the vehicle driver of the vehicle can be made more easily recognized by the irradiation.

  According to yet another preferred embodiment, the preparatory processing device rotates the prepared virtual separation curve in the opposite direction of the indicated roll inclination based on the vehicle roll inclination indicated by the inclination signal. Or it is designed to be matched by other methods. In particular, the virtual separation curve can be rotated by the preparatory processing device so that the indicated roll inclination is compensated by the rotation of the separation curve. According to this, even when the vehicle causes the roll inclination by the curve traveling depending on the case, the current irradiation around the vehicle can be maintained.

  According to yet another preferred embodiment, the preparatory processing device displaces the prepared virtual separation curve based on the pitch slope indicated by the slope signal, opposite to the indicated pitch slope, or Designed to match with other methods. In particular, a virtual separation curve can be prepared by the preparatory processing device so that the indicated pitch slope is compensated by the displacement of the separation curve. In this way, the current illumination around the vehicle is optimally aligned with the current surroundings of the vehicle, whether the vehicle is climbing or descending a gradient in a straight line, or causing a pitch tilt. Can be maintained.

  According to yet another preferred embodiment, the lighting device comprises at least two light scanning modules, which are arranged side by side in the form of rows or columns. By arranging at least two light scanning modules in row or column form, the current illumination situation can be better resolved and matched based on the vehicle tilt indicated by the tilt signal. Particularly preferably, the illuminating device comprises a further even number of light scanning modules, for example four, six, eight or more light scanning modules. The rows can be arranged vertically or vertically, in particular with respect to the vehicle path, and the columns can be arranged horizontally with respect to the vehicle path.

  According to yet another preferred embodiment, the first group of light scanning modules is arranged on one side of the light source array of the illumination device, and the second group of light scanning modules is on the other side of the light source array. Arranged on the side. The light source array can comprise at least two individual light sources, such as LEDs or laser light sources. The controller is designed or configured to control the light source array based on the tilt signal so that during the low beam mode, each individual light source individually emits light or does not emit light based on the tilt signal. be able to.

  In this way, for example, a plurality of irradiated areas that are located near the vehicle forward direction and that have an average relatively small swing with respect to the requirements for the irradiation profile due to the current inclination of the vehicle, for example, A plurality of regions precisely in the forward direction can be illuminated by a light source array consisting of a plurality of individual light sources. Such an individual light source can be formed more easily and more reliably than an optical scanning module that is more diversified and performs more accurate local decomposition. The individual light sources of the light source array can be controlled to emit light or not emit light according to the virtual separation curve described above.

  According to still another preferred embodiment, the illumination device according to the present invention includes an output optical system, and the output optical system is a target scan region of one optical scan module (or a plurality or all of the optical scan modules). The light beam transmitted for scanning is designed or configured to be emitted from the illumination device as a cone beam. The emission optical system can be configured as follows. That is, when the target scan area is displaced or swung in the first direction within each maximum scan area of the optical scan module, the emitted cone beam is swung in the second direction in addition to the first direction. To do. In this way, for example, for a two-wheeled road vehicle such as a motorcycle or a scooter, a curve light or an adaptive headlight can be realized particularly simply and effectively. In particular, the exit optical system can be designed so that the cone beam pivots automatically as a result of displacement or pivoting of the target scan area. This exit optical system is also referred to as a secondary optical system, particularly in automobile lighting technology.

  The second direction can in particular be a direction perpendicular to the first direction. In particular, the first direction can be a direction parallel to the pitch axis A2 of the vehicle 1. Furthermore, the second direction can be a direction that is positioned perpendicularly to the first direction, particularly a direction that is positioned parallel to the yaw axis A3 of the vehicle 1.

  According to yet another preferred embodiment, the control device is configured to displace the target scan area of the at least one optical scan module within the maximum scan area in the direction in which the vehicle is tilted based on the tilt signal. ing. If the vehicle is tilted, for example, to the right, that is, if it tilts clockwise about the roll axis A1, the target scan area can be displaced toward the right within the maximum scan area. In this case, the spatial shape of the target scan area can be kept the same or matched.

  According to still another preferred embodiment, in the exit optical system, the turning angle when the cone beam turns in the second direction is a monotone function of the absolute value of the turning angle of the cone beam in the first direction. It is configured as follows.

  According to still another preferred embodiment, the output optical system is configured such that the larger the absolute value of the turning angle of the cone beam in the first direction, the smaller the range of the solid angle at which the cone beam is transmitted. It is configured.

  According to one preferred embodiment, the method according to the invention comprises a virtual separation curve that moves through the maximum scan area of at least one optical scan module, or a number or all of the existing optical scan modules. Preparing a virtual separation curve that transitions through a maximum scan region of the optical scan module based on the tilt signal. In this case, the individual target scan areas can be aligned so that the target scan area of each optical scan module is delimited by a virtual separation curve on one side.

  According to yet another preferred embodiment, the target scan area of at least one optical scan module is displaced in the direction in which the vehicle is currently inclined based on the inclination signal within the maximum scan area of the optical scan module. The

  The invention will now be described in detail on the basis of an embodiment schematically shown in the drawings.

The figure which shows various exercise | movement forms schematically, taking a motorcycle as a specific example as a vehicle. 1 is a block diagram schematically illustrating a lighting device according to an embodiment of the present invention. The figure which shows the illuminating device by another embodiment of this invention. The figure which shows the illuminating device by another embodiment of this invention. FIG. 5 schematically shows a possible advantageous arrangement of the various elements in the lighting device according to FIG. 4. FIG. 6 shows how the situation surrounding a vehicle equipped with the illumination device according to FIGS. 4 and 5 can be advantageously illuminated. FIG. 6 shows how the situation surrounding a vehicle equipped with the illumination device according to FIGS. 4 and 5 can be advantageously illuminated. FIG. 6 shows how the situation surrounding a vehicle equipped with the illumination device according to FIGS. 4 and 5 can be advantageously illuminated. The figure which shows the illuminating device by another embodiment of this invention. Explanatory drawing for deepening an understanding of the function of the illuminating device by FIG. Explanatory drawing for deepening an understanding of the function of the illuminating device by FIG. 6 is a flowchart schematically illustrating a method of operating a lighting device according to still another embodiment of the present invention. 6 is a flowchart schematically illustrating a method of operating a lighting device according to still another embodiment of the present invention.

  In all the drawings, the same reference signs are used for the same elements and devices or functionally equivalent elements and devices unless otherwise specified. It should be noted that the numbers assigned to the steps are for ease of understanding and do not intend the specified time order unless otherwise stated. In this case, for example, a plurality of steps can be executed simultaneously.

  FIG. 2 schematically shows a block diagram of a lighting device 10 according to one embodiment of the present invention.

  The illumination device 10 includes at least one optical scan module 12-1. Each optical scan module 12-1 includes a light source 14-1 and a mirror unit 16-1. The light source 14-1 can be, for example, an LED or a laser light source. The light source 14-1 can also be constituted by an array of at least two individual light sources, for example LEDs, or other geometric arrangement. The mirror unit 16-1 can be configured in particular as a micromirror unit, in which case the micromirror unit can comprise one, two or more micromirrors, by means of these mirrors the light source 14- The direction of the light beam 4-1 supplied from 1 can be changed. The mirror unit 16-1 can be a 1D mirror unit, that is, designed to swivel one or more light beams 4-1 supplied from the light source 14-1 in a single direction or single dimension. can do. The mirror unit 16-1 may include only one mirror, and this mirror is designed to change the direction of the light beam 4-1 incident thereon in two dimensions. The mirror unit 16-1 can also be a 2D mirror unit, i.e. the mirror unit 16-1 can also comprise two or more mirrors, in particular micromirrors, and the supplied one or more The direction of the light beam 4-1 can be changed in two dimensions by these mirrors.

  In this way, through the operation of the individual mirror unit 16-1 of each optical scan module 12-1, the individual target scan area 52-1 is changed into the individual mirror unit 16- in the individual maximum scan area 50-1. It can be scanned by one movement or motion, ie it can be scanned or rastered.

  When the mirror unit 16-1 is a 1D mirror unit, for example, a single beam spot supplied from the light source 14-1 is reciprocated so that each maximum scan area 50-1 can be scanned. Can do. When the mirror unit 16-1 is a 2D mirror unit, the light beam 4-1 whose direction is changed by the mirror unit 16-1 (or a plurality of light beams 4-1 of this kind whose direction is changed) is obtained. By scanning the zigzag line, each target scan area 52-1 can be scanned. It is also possible to scan a trajectory other than a zigzag line using a 2D mirror unit. For example, the trajectory may be scanned according to a curve 88 as will be described later with reference to FIGS. 7, 8a and 8b. it can.

  Scanning the individual target scan areas 52-1 within the individual maximum scan areas 50-1 should be understood in particular as follows. That is, the light beam is emitted only within the target scan area 52-1, but not to the remaining part of the maximum scan area 50-1 beyond the target scan area 52-1. .

  On the one hand, this can be achieved as follows. That is, the movement or operation of the mirror unit 16-1 is limited to a movement that causes a result that the direction of the light beam 4-1 is changed so as to fall within the target scan region 52-1. On the other hand, another option may be as follows. In other words, each time the mirror unit 16-1 continues the operation that the entire maximum scan area 50-i is originally scanned regardless of the currently set target scan area 52-1. However, even if the direction of the light beam 4-1 from the light source 14-1 is eventually changed by the mirror unit 16-1, the direction of the light beam 4-1 depends on the current direction. Each is performed only when it is changed so as to enter the target scan area 52-1.

  The lighting device 10 further comprises a preparatory processing device 18, which is designed or configured to receive a tilt signal 91 indicating the current tilt N1, N2 of the vehicle, for example the vehicle 1. The tilt signal 91 may be transmitted on the one hand from an external sensor device to the lighting device 10 or may be determined by a sensor mechanism (not shown) inside the lighting device 10. The sensor device or sensor mechanism can be, for example, a five-dimensional inertial sensor, which captures, for example, rotational moments in two dimensions and linear acceleration in three dimensions. The preparatory processing device 18 can be designed or configured to obtain the raw data of such sensors as a tilt signal 91 and calculate the current tilt N1, N2 of the vehicle 1 from this signal. As another option, the preparatory processing device 18 is designed or configured to receive a tilt signal 91 containing information that has already been specifically calculated for the current tilt N1, N2 of the vehicle 1.

  The illumination device 10 further includes a control device 20, which controls each light scan module 12-1, so that each of the light scan modules 12-1 is individually in at least the low beam mode of the illumination device 10. The target scan region 52-1 is designed to be automatically aligned based on the current tilt signal 91. The alignment of the target scan area 52-1 is understood as displacing the target scan area 52-1 within the maximum scan area 50-1 and / or changing the shape of the target scan area 52-1. be able to. For this purpose, the control device 20 can receive the transmission signal 92 based on the current inclination signal 91 or can receive the inclination signal 91 itself as the transmission signal 92.

  In addition to the low beam mode, the illumination device 10 can also include, for example, a switch-off mode, during which no of the optical scan modules 12-1 emits light. In addition to these, the illumination device 10 can also include a high beam mode, during which the target scan region 52-1 of each existing optical scan module 12-1 depends on the current tilt signal 91 each time. Without being equal to the individual maximum scan area 50-1.

  In order to control the optical scanning module 12-1, an individual control signal 93-1 can be generated by the control device 20 and transmitted to the individual optical scanning module 12-1. Control depending on whether the light beam 4-1 to be scanned is restricted to the target scan region 52-1 by one of the techniques described above or by another technique. The signal 93-1 can be transmitted to the mirror unit 16-1 and / or to the light source 14-1 of the individual optical scanning module 12-1. Each light scanning module 12-1 may also comprise a light scanning module control unit (not shown), which controls the mirror unit 16-1 and / or the light source 14-1, and for that purpose a control signal. Designed or configured to receive and evaluate 93-1.

  FIG. 3 shows a lighting device 110 according to another embodiment of the present invention.

  The illumination device 110 is one variation of the illumination device 10 and is different from the illumination device 10 in the following points. That is, the illuminating device 110 includes, in addition to the first optical scan module 12-1 shown in FIG. 2, a second optical scan module 12-2 having a corresponding light source 14-2 and mirror unit 16-2. It is out. In exactly the same manner as described with respect to the first optical scanning module 12-1, the second optical scanning module 12-2 changes the direction of the light beam 4-2 emitted by the light source 14-2 to the mirror unit 16-. The target scan region 52-2 is designed or configured so that the target scan region 52-2 is scanned within the maximum scan region 50-2 of the second optical scan module 12-2. For this purpose, as described with respect to the control signal 93-1, the control device 120 of the illumination device 110 generates the second control signal 93-2 in addition to the first control signal 93-1, and the second control signal 93-2. To the second optical scan module 12-2, which is performed as described for the first optical scan module 12-1 with reference to FIG.

  The illumination device 110 may include more optical scan modules than the two optical scan modules 12-1 and 12-2, and these optical scan modules are collectively referred to as an optical scan module 12-i below. In particular, the illumination device 110 can include an even number of light scan modules 12-i, such as four, six or more light scan modules 12-i.

  The preparation processing device 118 of the illuminating device 110 receives the tilt signal 91 and transitions through the maximum scan areas 50-1 and 50-2 of at least two optical scan modules 12-i based on the tilt signal 91. Designed or configured to provide a virtual separation curve 54. All of the maximum scan area 50-i, the target scan area 52-i, and the virtual separation curve 54 are put together in one virtual plane that can be matched with an actual surface such as the surface of the exit optical system of the illumination device 110, for example. Can be arranged.

  The control device 120 of the illuminating device 110 includes all the functions of the control device 20 of the illuminating device 10, and controls the plurality of optical scan modules 12-i to perform at least two optical scan modules during the low beam mode. 12-i is designed such that each individual target scan region 52-i is delimited by a virtual separation curve 54 on one side. Preferably, all target scan regions 52-i of all optical scan modules 12-i are located on the same side of the virtual separation curve 54 in the above-described virtual plane, in particular the illumination device 110 and / or If the vehicle 1 is used as specified, it is located on the lower side, that is, on the side of the vehicle 1 on the road.

  In this case, the preparatory processing device 118 can be designed or configured as follows. That is, based on the roll inclination N1 of the vehicle 1 indicated by the inclination signal 91, the prepared virtual separation curve 54 is rotated in the direction opposite to the indicated roll inclination N1.

  As an alternative or in addition, the preparatory processing device 118 may be designed or configured as follows. In other words, the prepared virtual separation curve 54 is displaced on the basis of the pitch inclination N2 of the vehicle 1 indicated by the inclination signal 91 in the opposite direction to the indicated pitch inclination N2. Furthermore, the preparation processing device 118 can be configured as follows. That is, the prepared virtual separation curve 54 is rotated and / or displaced to compensate for the individual roll slope N1 and / or pitch slope N2 of the vehicle 1 currently shown.

  FIG. 4 shows a lighting device 210 according to yet another embodiment of the present invention. The lighting device 210 is a variation of the lighting device 110 and can be adapted to all of the variations and developments described with respect to the lighting device 110, and vice versa. Unless explicitly stated otherwise, lighting device 210 includes the same members as lighting device 110.

  In contrast to the illumination device 110, the illumination device 210 further includes an exit optical system 222, which is designed or configured as follows. That is, light beams 4-1 and 4-2 that enter or traverse the target scan areas 52-1 and 52-2 and possibly other light beams 8-1 and 8-2 are generated. The light beams emitted from the lighting device 210 are guided, for example, around the vehicle 1 in which the lighting device 210 is disposed.

  The preparation processing device 218 of the lighting device 210 provided in place of the preparation processing device 118 of the lighting device 110 is configured in the same manner as the preparation processing device 118, and additionally, at least one around the lighting device 210. Designed or configured to receive an object signal 94 indicative of an object. The preparation processor 218 is designed or configured to match the shape of the virtual separation curve 54 based on the object signal 94 for the purpose of illuminating at least one object or excluding it. ing.

  The virtual separation curve 54 can be formed, for example, as a continuous line, a staircase line, a polygonal line, an arbitrary symmetrical curve, a parabola, etc., or based on the current object signal 94 and / or the current slope signal 91 Can be converted into one or more of such functions.

  In addition to the optical scanning modules 12-1 and 12-2, the illuminating device 210 optionally includes a first light source array 58-1 that transmits a light beam 8-1 and a second light source that transmits a light beam 8-2. And an array 58-2. Each of the light source arrays 58-1 and 58-2 can include one or more individual light sources. The control device 220 of the lighting device 210 can be designed or configured as follows. That is, the first and / or second light source arrays 58-1 and 58-2 are controlled based on the current tilt signal 91 and / or the current object signal 94, and each of the individual light sources is controlled during the low beam mode. However, based on the inclination signal 91 and / or the object signal 94, light is emitted or light is not emitted. About the other point, the control apparatus 220 can be comprised similarly to the control apparatus 120 of the illuminating device 110. FIG.

  FIG. 5 schematically shows a possible advantageous arrangement of the various elements in the lighting device 210.

  In the case of the variation according to FIG. 5, the illuminating device 210 comprises four optical scanning modules 12-i (not shown). Furthermore, the illumination device 210 according to the variation of FIG. 5 includes a first light source array 58-1 and a second light source array 58-2. The first light source array 58-1 includes four individual light sources 60-1, 60-2, 60-3, 60-4 arranged in one row, and the second light source array 58-2 includes: It consists of five individual light sources 62-1, 62-2, 62-3, 62-4, 62-5 arranged in one row. In this case, it can be said that the individual light sources 62-1 are arranged as part of the rows of the first light source array 58-1 and also as part of the columns of the second light source array 58-2. . The individual light sources 60-i and 62-i can be particularly LEDs.

  According to the variation of FIG. 5 of the illumination device 210, the maximum scan areas 150-1, 150-3 of the first and third optical scan modules are arranged on one side of the first light source array 58-1 (FIG. 5). The first and third optical scanning modules are arranged so as to be located on the left side). According to the variation of FIG. 5 of the illumination device 210, the maximum scan areas 150-2, 150-4 of the second and fourth optical scan modules are connected to the other side of the first light source array 58-1 (FIG. 5). The second and fourth optical scan modules are arranged so as to be located on the right side).

  Further, the first to fourth maximum scan areas 150-i are all arranged on the same side of the second light source array 58-2. Specifically, the first light source array 58-1 is also arranged. Arranged on the same side of the second light source array 58-2.

  Further, as shown in FIG. 5, the preparation processing device 218 of the illumination device 210 according to the variation of FIG. 5 has the virtual separation curve 54 transiting through all four maximum scan areas 150-i and the first It is configured or designed to prepare the virtual separation curve 54 to transition through one light source array 58-1. According to the variation according to FIG. 5 of the illumination device 210, the control device 220 is designed or configured to align the individual target scan areas 152-i of the four optical scan modules as follows. That is, in particular, the target scan areas 152-i are located on one side of the separation curve 54, and in particular, on the side of the separation curve 54 facing the second light source array 58-2. To match.

  Furthermore, the control device 220 according to the variation of FIG. 5 is designed or configured to control the individual light sources 60-i and 62-i as follows. That is, all the individual light sources 60-i and 62-i on the side where the target scan area 152-i is present on the current separation curve 54 are controlled to emit the light beam 8-i. In other words, the maximum radiation of the light beams 4-i, 8-i occurs on one side of the current separation curve 54, respectively, and the light beam 4-i on the other side of the current separation curve 54, respectively. , 8-i can be designed or configured such that minimal or no radiation is generated. In FIG. 5, the individual light sources 60-i and 62-i that are currently emitting the light beam 8-i are hatched.

  FIGS. 6a) to 6c) show how the situation surrounding the vehicle 1 constructed with the lighting device 210 can be advantageously illuminated.

  In FIG. 6 a), the field of view of the vehicle 1 is drawn together with the traveling path 87, the oncoming vehicle 81, and the preceding vehicle 82 that are located in front. In particular, the vicinity region 83 located immediately before the vehicle 1 is illuminated by the second light source array 58-2. An area 84 that is located above this area and is further away from the vehicle 1 is an individual light source 60 that is located by the target scan area 152-i and below the separation curve 54 of the first light source array 58-1. Irradiated by -i. Accordingly, the irradiation boundary 85 of the irradiation region 84 in FIG. 6 a) is based on the separation curve 54 and the division into an irradiation region and a non-irradiation region based on the separation curve 54. The far field 86 located further above the illumination boundary 85 and further away from the vehicle 1 is not illuminated in the situation of FIG. 6a), which is in the low beam mode, which means that the maximum scan area 152-i is not scanned. This corresponds to the region and the non-radiating individual light source 60-i above the separation curve 54.

  In FIG. 6b), the curve travel of the vehicle 1 is schematically depicted, in which case the vehicle 1 tilts to the right, i.e. creates a roll tilt N1 in the right direction. In particular, by rotating the separation curve 54 so as to compensate for the roll inclination N1 of the vehicle 1, even if the vehicle 1 is inclined to the right, the orientation of the irradiation boundary 85 is, for example, traveling in contrast to FIG. It remains parallel to the path 87 and remains unchanged. If the separation curve 54 does not rotate or hardly rotates, the irradiation boundary 85 ′ assumed in this way will change as shown in FIG. 6 b), for example. As a result, only a small portion of the traveling path 87 is irradiated, and undesirably, a portion located in the traveling direction of the vehicle 1 is irradiated only slightly.

  FIG. 6c) depicts the situation in which the vehicle 1 is traveling down a light gradient. In other words, the vehicle 1 causes the pitch inclination N2, and this is not necessarily based on the travel path but based on the absolute coordinate system associated with the center of gravity of the vehicle 1. Thus, FIG. 6c) shows the following situation. That is, as represented by the hypothetical illumination boundary 85 ″, more portions of the travel path 87 are present than if the separation curve 54 was not displaced despite the pitch slope N2 of the vehicle 1. By displacing the separation curve 54 upwards, i.e., away from the second light source array 58-2, so that it is illuminated, the illumination boundary 85 of FIG. 6c) is also displaced upwards. It is done.

  The oncoming vehicle 81 listed as an example of an external object can be indicated by the object signal 94 so that the preparatory processing device 218 prepares the current separation curve 54 so that the oncoming vehicle 81 or more precisely The separation curve 54 can be displaced only to the extent that the face of the vehicle driver of the vehicle 81 is not irradiated. The object signal 94 can be generated, for example, by a radar device of the vehicle 1 and can be transmitted to the preparation processing device 218 via, for example, a vehicle bus system. In the situation shown in FIG. 6c), the separation curve 54 can also be prepared such that the separation curve 54 has a stepped shape including a relatively low left region and a relatively high right region. Here, the left area is determined so that the vehicle 81 or the vehicle driver of the vehicle 81 is not irradiated as described above, and at the same time, the lane of the vehicle 1 on the travel path 87 is irradiated as widely as possible. It is determined.

  FIG. 7 shows a lighting device 310 according to yet another embodiment of the present invention. The lighting device 310 is a variation of the lighting device 10 and can be adapted to all the variations and developments described with respect to the lighting device 10 and vice versa.

  The illumination device 310 includes an optical scan module 212 instead of the optical scan module 12-1 of the illumination device 10, and this module also has a light source as described with respect to the optical scan module 12-1 of the illumination device 10. 14-1 and the mirror unit 16-1. In contrast to the illuminating device 10, the illuminating device 310 further includes an exit optical system 322 that is sent to scan the target scan region 50-1 of at least one light scan module 212. The light beam 4-1 is designed or configured to emit from the illumination device 310 as a cone beam 6.

  The exit optical system 322 can include a lens system and / or a reflector system. The reflector system can comprise at least one reflector, whose curvature causes an overall advantageous change in the orientation of the cone beam 6 or influences such a change in orientation. .

  In the case of the illuminating device 310, the optical scanning module 212 is preferably arranged in the illuminating device 310 in association with the emission optical system 322 as follows. That is, when the target scan area 52-1 is displaced or swiveled in the first direction 71 (see FIG. 8) within the maximum scan area 50-1 of the optical scan module 212, the cone beam 6 swivels in the first direction. At the same time, it is also arranged to turn in the second direction 72 (see FIG. 8). As described above or described later, the control device 320 of the illumination device 310 controls the light scan module 212 based on the tilt signal 91 supplied via the transmission signal 92 to thereby control the maximum scan region 50-1. It is designed or configured to align the target scan area 52-1 in a displacement, swivel and / or other manner within. The controller 320 can optionally include all the functions that one of the controllers 20; 120;

  Next, the function of the illumination device 310 will be described in detail with reference to FIGS. 8a) and 8b). In FIG. 8 a), the field of view of the surroundings of the illumination device 310 is schematically shown with an irradiable area 84 as described for example with reference to FIG. 6 a). In other words, the illumination device 310 can optionally include an optical scanning module 112-i as in the illumination device 210, and these modules are also optional, as described with reference to FIG. It can be configured with the first and second light source arrays 58-1 and 58-2.

  As another option, the lighting device 310 can be configured to irradiate the neighborhood area 84 using a conventional headlamp, or the neighborhood area 84 itself is not illuminated, but this area is for example the vehicle 1 It can be configured so that it can be illuminated by other projectors.

  When the roll inclination N1 of the vehicle 1 occurs, as described with reference to FIG. 6b), a part of the lane of the vehicle 1 itself is irradiated slightly more than desired. In such a case, it is advantageous to produce an additional cone beam 6 at the position indicated by 6-2 in FIG. Similarly, when an inclination occurs toward the left in FIG. 8, it is advantageous to generate the cone beam 6 at the position indicated by 6-3. When the roll inclination N1 does not occur and the vehicle 1 is traveling straight, it is advantageous to provide a cone beam 6 that is flatter and wider at the position indicated by 6-1 in FIG. is there.

  Similarly, the illumination device 310 is configured as follows. That is, when the target scan area 52-1 is displaced in the first direction 71 within the maximum scan area 50-1, for example, when it is displaced left or right in FIG. 8, the cone beam 6 is displaced in the first direction 71, That is, it is correspondingly displaced to the left or right in FIG. 8 and additionally displaced in the second direction 72, for example, upward in FIG. In this case, with the movement of the cone beam 6 along the curve 88, the target scan region from the stationary position 53 (see FIG. 7) to the left or right extreme positions 55-1 and 55-2 (see FIG. 7). 52-1 can be displaced continuously. The stationary position 53 is preferably located at the center of the maximum scanning area 50-1.

  Accordingly, the curve 88 represents the turning angle of the cone beam 6 in the second direction 72 as a function of the turning angle of the cone beam 6 in the first direction 71. The curve 88 is preferably a monotonically increasing function of the absolute value of the turning angle of the cone beam 6 in the first direction 71, particularly preferably as shown in FIG. It is a monotonically increasing function of the absolute value of the angle.

  The exit optical system 322 and the curve 88 can be configured as follows and can be disposed relative to the maximum scan region 50-i. That is, when the target scan area 52-1 is turned in the first direction 71 by the first turning angle, the cone beam 6 turns in the first direction 71 by the second turning angle. , Pivoting in the second direction 72 by a third pivot angle, wherein preferably the second pivot angle is greater than the third pivot angle and / or the third pivot angle is the first pivot angle It is larger than the turning angle. The turning of the cone beam 6 in the second direction 72 can be caused in particular by the turning of the reflector of the exit optical system 322, which is irradiated by the light beam 4-1 transmitted into the target scan area 52-i. . In other words, the elevation angle of the reflector of the output optical system 322 can be matched based on the tilt signal 91 by the control device 320.

  FIG. 8b) shows how the lane of the vehicle 1 in the curve is advantageously illuminated by the previously described shape of the curve 88 when the vehicle 1 travels in a curve to the right. ing. FIG. 8b) shows an advantageous case in which the curve 88 is defined as follows. That is, when the target scan area 52-1 is swung in the first direction 71 by the first swivel angle having an absolute value of 5 °, the cone beam 6 ′ is compared with the unturned cone beam 6 ″. The cone beam 6 ′ pivots in the first direction 71 by a second pivot angle 73 of 15 °, and the cone beam 6 ′ pivots in the second direction 72 by a third pivot angle 74 of 10 °. The turning of the target scan area 52-1 is based on the inclination of the vehicle 1 that is also indicated by the inclination signal 91.

  In addition, the exit optical system 322 can be configured such that the range of individual solid angles through which the cone beam 6 is sent varies along the curve 88. For example, the range of the solid angle at which the cone beam 6 is transmitted may be reduced as the absolute value of the turning angle of the cone beam 6 in the first direction 71 and / or the second direction 72 increases. it can. Additionally or alternatively, as the cone beam 6 delivered in an elliptical shape has a large half axis a and the absolute value of the swivel angle increases in the first direction 71 and / or the second direction 72, This half axis a can be made small.

  In other words, the ellipse of the cone beam 6 can be made more circular as the inclination of the vehicle 1 at the roll inclination N1 increases, and becomes even more flat as the vehicle 1 approaches a posture without the roll inclination N1. Can be. This advantageously makes it possible to achieve the following: That is, for example, when a motorcycle or a scooter is inclined at a curve, the area of the lane of the vehicle 1 within the curve is illuminated with a particularly precise and bright pinpoint, while being supplied from the light source 14-1 of the optical scan module 212. By using the same light output, the vicinity area 84 in front of the vehicle 1 is irradiated more widely and more uniformly.

  Instead of the output optical system 322, the rotation of the cone beam 6 can also be realized by the optical scan module 212. This is particularly true when the mirror unit 16-1 of the optical scan module 212 is realized as a 2D mirror unit. This mirror unit is designed or configured to displace the cone beam 6 by displacing the target scan area 52-1 along the curve 88. In this case, the illumination device 310 can be configured without using the emission optical system or using a simple emission optical system.

  FIG. 9 schematically shows a flow chart of a method of operating the lighting devices 10; 110; 210; 310 according to yet another embodiment of the present invention. The method according to FIG. 9 is particularly configured for operating a lighting device according to the present invention, in particular for operating one of the previously described lighting devices 10; 110; 210; 310. , Can be adapted to all the variant embodiments, developments and functions described with respect to the lighting devices 10; 110; 210; 310, or vice versa.

  In step S01, for example, the preparation processing devices 18; 118; 218 receive the inclination signal 91 indicating the current inclination N1, N2 of the vehicle.

  In step S03, at least one of the optical scan modules 12-i; 112-i; 212 has a target scan area 52-i; 152-i that is the individual maximum scan of each of the optical scan modules 12-i; 112-i; In the region 50-i; 150-i, the alignment is performed based on the slope signal 91. In this case, in the maximum scan area 50-1, the target scan area 52-1 of at least one optical scan module 212 is in the direction in which the vehicle 1 is currently inclined, particularly in the direction in which the vehicle is inclined at the roll inclination N1. , And can be configured to be displaced based on the tilt signal 91, respectively.

  In step S04, each aligned target scan region 52-i; 152-i is scanned by an individual optical scan module 12-i; 112-i; 212, ie, an individual optical scan module 12-i; -I; rastered or scanned by light beam 4-i resulting from 212;

  FIG. 10 schematically shows a flow chart for explaining a method according to a further embodiment of the method according to the invention for operating the lighting device 10; 110; 210; 310. The method according to FIG. 10 is one variation of the method according to FIG. 9 and, in contrast to FIG. 9, includes the following further steps:

  In step S02, a virtual separation curve 54 that transitions through the maximum scan area 50-i; 150-i is prepared, and this preparation processing step S02 is performed based on the tilt signal 91. The virtual separation curve preparation processing step S02 can be performed, for example, by the preparation processing devices 18; 118; 218 of the illumination devices 10; 110; 210; 310 as described above.

  Further, the individual target scan areas 52-i; 152-i are described in the above description with reference to the illumination devices 110; 210, for example. 152-i can be matched so that it is delimited on one side by the virtual separation curve 54.

Claims (15)

Illumination device (1) for the vehicle (1) comprising at least one light scanning module (12-i; 212), a preparation processing device (18; 118; 218) and a control device (20; 120; 220). 10; 110; 210; 310),
Each optical scanning module (12-i; 212) includes a light source (14-i; 214) and a mirror unit (16-i; 216),
Each optical scanning module (12-i; 212) is supplied with a light beam (4-i) supplied from an individual light source (14-i; 214) via the individual mirror unit (16-i; 216). ), The individual target scan areas (52-i; 152-i) within the individual maximum scan areas (50-i; 150-i) are scanned.
The preparatory processing device (18; 118; 218) is configured to receive a tilt signal (91) indicating a current tilt (N1, N2) of the vehicle (1);
The control device (20; 120; 220) controls each light scan module (12-i; 212) to scan each light scan during at least the low beam mode of the illumination device (10; 110; 210; 310). Individual target scan areas (52-i; 152-i) in module (12-i; 212) are configured to be aligned based on the tilt signal (91);
Lighting device (10; 110; 210; 310) for vehicle (1). At least two optical scanning modules (12-i) are provided,
The preparatory processing device (118; 218) passes through the maximum scan area (50-i; 150-i) of the at least two optical scan modules (12-i) based on the tilt signal (91). Configured to prepare a virtual separation curve (54) that changes
The control device (120; 220) controls the optical scanning module (12-i) so that the at least two lights are in the low beam mode of each of the target scanning areas (52-i; 152-i). Each of the scan modules (12-i) is configured to be delimited on one side by the virtual separation curve (54).
The lighting device (110; 210) according to claim 1. The preparatory processing device (218) is configured to receive an object signal (94) indicating at least one object (81, 82) around the lighting device (210),
In order to irradiate the at least one object (81, 82) or to exclude the object (81, 82) from irradiation, the preparation processing device (218) Configured to match the shape based on the object signal (94);
The lighting device (210) of claim 2. The preparation processing device (118; 218) shows the virtual separation curve (54) to be prepared based on the roll inclination (N1) of the vehicle (1) indicated by the inclination signal (91). Further, it is configured to rotate in the opposite direction to the roll inclination (N1).
The lighting device (110; 210) according to claim 2 or 3. The preparation processing device (118; 218) shows the virtual separation curve (54) to be prepared based on the pitch inclination (N2) of the vehicle (1) indicated by the inclination signal (91). Further, the pitch inclination (N2) is configured to be displaced in reverse.
The lighting device (110; 210) according to any one of claims 2 to 4. At least two optical scanning modules (12-i) are provided,
The optical scanning modules (12-i) are juxtaposed to each other in the form of rows or columns,
The lighting device (110, 210) according to any one of claims 1 to 5. A first group of the optical scanning modules (112-i) is disposed on one side of the light source array (58-1);
A second group of the optical scanning modules (112-i) is disposed on the other side of the light source array (58-1);
The light source array (58-1) includes at least two individual light sources (60-i),
The controller (220) controls the light source array (58-1) so that the individual light sources (60-i) individually emit light based on the tilt signal (91) during the low beam mode. Configured to emit or not emit light,
The lighting device (210) according to claim 6. An exit optical system (322) is provided;
The exit optical system (322) converts a light beam (4-1) transmitted to scan the target scan area (52-1) of the at least one light scan module (212) into a cone beam (6). 6 ′; 6 ″) to be emitted from the illuminating device (310), and the emission optical system (322) has a maximum scanning area (50−) of the optical scanning module (212). 1) When the target scan area (52-1) is displaced or swiveled in the first direction (71) within 1), the cone beam (6; 6 ′; 6 ″) is moved in the first direction (71). In addition to the second direction (72).
The lighting device (310) according to any one of the preceding claims. The control device (320) determines the target scan area (52-i) of the at least one optical scan module (212) within the maximum scan area (50-i) based on the tilt signal (91). , Configured to displace the vehicle (1) in an inclined direction;
The lighting device (310) according to claim 8. The exit optical system (322) has a turning angle (74) when the cone beam (6; 6 ′; 6 ″) is turned in the second direction (72), and the cone beam (6; 6). ';6'') is configured to be a monotone function of the absolute value of the turning angle (73) when turning in the first direction (71).
The exit optical system (310) according to claim 8 or 9. As the absolute value of the turning angle of the cone beam (6; 6 ′; 6 ″) in the first direction (71) increases, the exit optical system (322) increases the cone beam (6; 6 ′; 6 ″) is configured so that the range of the solid angle to be transmitted is small.
The lighting device (310) according to claim 10.   A vehicle (1) comprising a lighting device (10; 110; 210; 310) according to any one of the preceding claims. A method of operating a lighting device (10; 110; 210; 310) for a vehicle (1) comprising:
Receiving a tilt signal (91) indicating a current tilt (N1, N2) of the vehicle (1) (S01);
The target scan area (52-i; 152-i) of at least one optical scan module (12-i; 212) is the individual maximum scan area (50-i) of each optical scan module (12-i; 212) Within 150-i), matching based on the tilt signal (91) (S03);
Scanning each aligned target scan area (52-i; 152-i) with the individual optical scan module (12-i; 212) (S04);
including,
A method for operating a lighting device (10; 110; 210; 310) for a vehicle (1). Based on the tilt signal (91), a virtual separation curve (54) that transitions through the maximum scan region (50-i; 150-i) of the at least one optical scan module (12-i; 212). And preparing (S02),
The individual target scan areas (52-i; 152-i) are converted into the target scan areas (52-i; 152-i) of each optical scan module (12-i) by the virtual separation curve (54). Align to be separated on one side,
The method of claim 13. In the maximum scan area (50-1), the target scan area (52-1) of the at least one optical scan module (212) is inclined in the direction in which the vehicle (1) is currently inclined. Displacement based on the signal (91),
15. A method according to claim 13 or 14.