• 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:
    In one embodiment of the vehicle display system, the drawing unit (8) acts when the vehicle speed is in a predetermined low speed zone, starts operation when the vehicle speed exceeds a lower limit ( VpL) of the low speed zone, and stops operation when the vehicle speed exceeds an upper limit (VpU) of the low speed zone.
    公开号:FR3034877A1
    申请号:FR1653021
    申请日:2016-04-06
    公开日:2016-10-14
    发明作者:Michihiko Hayakawa；Takao Muramatsu；Naoki Sugiura；Syouhei Yanagidu；Satoshi Kikuchi；Hiroaki Hara；Takayoshi ISHIZUKA；Hidetada Tanaka；Takeshi Masuda
    申请人:Koito Manufacturing Co Ltd；
    IPC主号:
    专利说明:

    [0001] FIELD OF THE INVENTION The present invention relates to a vehicle display system configured to display a call of attention during a trip. BACKGROUND [0002] In recent years, a vehicle display system configured to display a call of attention for a driver or other individual such as a pedestrian and an individual in an opposing vehicle by drawing figures, letters and the like on the surface of a road and the like. For example, JP 2008045870A discloses a pilot configuration of a laser head mounted at the front of a vehicle to draw a figure such as "No Access 15" on the surface of a road. However, it is difficult to present the display so that it is not deformed, seen from the line of sight of the driver or another individual. The problem becomes more noticeable when the vehicle is moving at high speed. Having studied the problem in depth, the inventors have discovered a vehicle speed or display aspect enabling the display to be effectively recognized. SUMMARY [0004] An object of the present invention is therefore to provide a vehicle display system capable of efficiently displaying a call of attention during a shift. [0005] To achieve the above objective, according to one aspect of the present invention, there is provided a vehicle display system including a vehicle speed sensor detecting the speed of a vehicle, a vehicle sensor, information detecting information to which a driver and / or other individual should be attentive, and a drawing unit drawing a predetermined display around the vehicle together with a detection of the information sensor. The drawing unit acts when the vehicle speed is in a predetermined low speed zone, starts operation when the vehicle speed exceeds a lower limit of the low speed zone, and stops operation when the speed of the vehicle vehicle exceeds an upper limit of the low speed zone. According to the aspect above, the display of the attention call is made only when the speed of the vehicle is in the low speed zone. As a result, the display is more difficult to spread than during high speed movement and can be visually recognized as a display with lower distortion by the driver and / or another individual, so that it is possible to effectively display the attention call. After the drawing unit stops its operation when the speed of the vehicle exceeds the upper limit, the drawing unit can operate again when the speed of the vehicle becomes less than or equal to a predetermined buffer value in the area of low speed. When the display is on / off, the upper limit being set as the threshold value, a flickering of the display occurs in a situation where the vehicle speed increases and decreases around the upper limit, so that the driver can feel a disorder. However, according to this aspect, a re-display which must be performed after the operation stops when the vehicle speed exceeds the upper limit is carried out with an appropriate time interval. It is therefore possible to attract the driver's attention effectively. The upper limit can be set at a vehicle speed greater than or equal to 35 km / h. When the vehicle speed exceeds 35 km / h, the display tends to spread.
    [0002] The spread of the display is low when the speed of the vehicle is less than or equal to 35 km / h. It is therefore possible to effectively display the attention call. The lower limit may be less than or equal to a vehicle speed of 20 km / h.
    [0003] Operation is stopped in a situation where the need for the attention call is not important. The trouble caused to the driver is thus reduced and it is possible to effectively display the attention call. The buffer value may be greater than or equal to 85% of the upper limit. When for example the upper limit is the vehicle speed of 35 km / h, the re-display which must be carried out after the operation stops is set so as to be performed at the vehicle speed of 30 km / h. It is therefore possible both to effectively perform prevention blinking and the attention call. [0011] The drawing unit may be configured to increase the output power of a light source forming the display in proportion to the increase in vehicle speed. As the vehicle speed increases, the driver's ocular point is turned to the farthest side and spreading of the display occurs. It is therefore possible to make a clear display by increasing the output power of the light source so as to effectively display the attention call. According to this description, it is possible to provide the vehicle display system capable of effectively displaying the attention call during the movement.
    [0004] BRIEF DESCRIPTION OF THE DRAWING The invention will be well understood and its advantages will be better understood on reading the detailed description which follows. The description refers to the following drawings, which are given by way of example. FIG. 1 is a front view of a vehicle lamp device including a vehicle display system according to an explanatory embodiment. Figure 2 is a longitudinal sectional view of the lamp device shown in Figure 1.
    [0005] Figure 3 is a block block diagram describing a controller. Fig. 4 is a flowchart describing a drawing command. Figs. 5A and 5B depict an embodiment of the vehicle display system.
    [0006] FIG. 6 depicts an embodiment of the vehicle display system. Figure 7 depicts an embodiment of the vehicle display system. Figure 8 depicts an embodiment of the vehicle display system. Figs. 9A-9C depict an embodiment of the vehicle display system. Figure 10 depicts an embodiment of the vehicle display system. Figure 11 depicts an embodiment of the vehicle display system. Figure 12 depicts an embodiment of the vehicle display system.
    [0007] DETAILED DESCRIPTION [0014] An appropriate explanatory embodiment of the present invention will be described hereinafter with reference to the drawings.  FIG. 1 is a front view of a vehicle lamp device including a vehicle display system according to an illustrative embodiment of the present invention and FIG. 2 is a longitudinal sectional view of the illustrated lamp device. in Figure 1 (sectional view through line II-II of Figure 1).  [0015] (Overall configuration) FIGS. 1 and 2 show a vehicle lamp device including a vehicle display system 7.  The lamp device 1 is a headlight provided on the right or left side of the front part of a vehicle.  An L-R arrow indicates the left-right direction, a U-D arrow indicates the up-down direction and an F-B arrow indicates the front-to-back direction, looking from the front of the lamp device 1.  On the other hand, a configuration in which the vehicle display system 7 is provided for any of the left and right lamp devices 1 is described.  However, the vehicle display system 7 may also be provided for both left and right lamp devices 1.  The lamp device 1 is configured to define a lamp compartment by means of a box-shaped lamp body 3034877 2 having an opening, and a front cover 3 attached to the opening of the lamp body 2 and made of transparent resin or glass.  A high beam light source unit 5, a low beam light source unit 6, a vehicle display system 7, a vertical support 4 and an extension 12 are disposed in the lamp compartment.  The high beam light source unit 5 and the low beam light source unit 6 are configured to form a light distribution pattern for high beams and a distribution pattern. light for dipped beam.  As light source units 5, 6, a reflection type lamp unit or projector type unit may be used.  The type is not particularly limited here.  The light source unit for dipped beam 6 shown in Figure 2 is of the projector type.  The high beam light source unit 5 and the low beam light source unit 6 are attached to the front surface of the vertical metal support 4 serving as the light source support member.  The vertical support 4 is fixed to the lamp body 2 at three corners thereof by means of sighting screws 14 and is configured to adjust each optical axis from side to side and from top to bottom.  At the front of the light source units 5, 6 and (a drawing unit 8) of the vehicle display system 7 (to be described later) in the lamp compartment is provided the extension 12 serving as an opaque member and having an opening allowing the respective emission lights to advance forward of the lamp device.  [0018] (Vehicle display system) The vehicle display system 7 includes a drawing unit 8 configured to draw a predetermined display and a control device 9 including a vehicle speed sensor and a vehicle sensor. information.  [0019] (Drawing unit) The drawing unit 8 comprises a laser light source unit 10 and a scanning mechanism 11.  As shown in FIG. 2, the laser light source unit 10 is an RGB laser unit.  The laser light source unit 10 has a first light source 15 configured to emit red laser light, a second light source 16 configured to emit green laser light, and a third configured light source 17. to emit blue laser light.  These three light sources 15, 16, 17 are respectively attached to a support base via a substrate.  The laser light source unit 10 is configured to condense the respective emission lights of the three light sources 15, 16, 17 into parallel lights by condenser lenses arranged in front of the light sources, to allow the lights parallel to be incident on dichroic mirrors disposed at the front of the condenser lenses for RGB synthesis, and to form B2 laser light of a single color, of a mixed or white color by controlling the IGNITION operations / EXTINCTION light sources 15, 16, 17.  The laser light source unit 10 includes a monitor 28 configured to control the outputs of the light sources 15, 16, 17 and to monitor the radiation intensity of the laser light B2.  On the other hand, the light sources of the laser light source unit 10 are not limited to the configuration in which the three RGB light sources are provided by the light sources 15, 16, 17 and may include a light source. a light source in which white light is to be generated by excitation with a configuration in which a white light source of a single body is provided, a configuration in which four light sources including RGB and an orange laser diode are provided or a configuration in which the emission light of a blue laser diode is passed through a yellow fluorescent body.  On the other hand, each of the light sources 15, 16, 17 may be a source of laser light other than the laser diode.  As shown in Figure 1, the scanning mechanism 11 is a MEMS mirror (electromechanical microsystem).  The scanning mechanism 11 comprises a base portion 37, a first rotating body 38, a second rotating body (reflection portion) 39, magnets 42, 43 provided around the base portion 37 and an end portion 44.  The first rotary body 38 is supported on the base portion 37 by means of a pair of torsion bars provided at a central aperture of the base portion 37 so that it can rotate in the left direction -right (horizontal direction).  The second rotating body 39 is supported on the first rotating body 38 by a pair of torsion bars provided at a central opening of the first rotating body 38 so that it can rotate in a high-low direction ( vertical direction).  The second rotating body 39 is provided on its surface 5 before a reflection part by a vapor deposition treatment, plating treatment or the like.  A first coil (not shown) connected to the control device 9 is wired to the first rotary body 38 and a second coil (not shown) connected to the control device 9 is wired to the second rotary body 39.  The base portion 37 is provided at its left and right sides with a pair of permanent magnets 42 and at its upper and lower sides with a pair of permanent magnets 43.  The first coil and the second coil are connected to the control device 9 via the terminal portion 44.  The first coil, the permanent magnet 42, the second coil, and the permanent magnet 43 configure a scanning actuator 58 of Figure 3, which will be described later.  The scanning actuator 58 is configured to rotate the first rotating body 38 and the second rotating body 39 by individually varying the amplitudes and directions of the drive currents flowing through the first coil and the second coil, to change the direction of the second rotating body (reflection part) 39.  On the other hand, as a scanning mechanism 11, another scanning optical system, such as a Galvano mirror, a DMD (micromirror matrix) or the like can also be adopted.  As shown in FIG. 2, the laser light source unit 10 is attached to the front surface of the vertical support 4 with its optical axis downward.  The scanning mechanism 11 is fixed inclined from the lower front side of the lamp device to the upper rear side of the lamp device by means of a horizontal holding plate attached to the vertical support 4 so that the reflection portion 39 is arranged on the optical axis of the laser light source unit 10 and the emission light is reflected towards the front of the lamp device.  The drawing unit 8 is configured to reflect the laser light B2 emitted by the laser light source unit 10 on the scanning mechanism 11 and to scan it in a rectangular scan area fixed to the laser light source unit 10. 'advanced.  The scanning zone is preferably fixed so as to cover at least one road edge of a traveling traffic lane, an adjacent traffic lane and a range of 5 to 50 m in front of the vehicle.  The upper-lower end of the scanning zone is preferably set in a range of -1 degree to -8 degrees of a line HH and the left-right end of the scanning zone is preferably fixed in a range of 20 degrees to -20 degrees from a VV line on a virtual vertical screen virtually disposed at a position 25 m in front of the lamp device 1.  [0024] (Control device) FIG. 3 is a block diagram showing the control device 9.  The controller 9 includes a lamp device ECU 51, a ROM 52, a RAM 53 and the like.  A variety of control programs are recorded in ROM 52.  The lamp device ECU 51 is configured to execute on the RAM 53 the control programs stored in the ROM 52 and to generate various control signals.  On the other hand, the control device 9 can be implemented in a hardware manner by means of a semiconductor device or an electrical circuit or can be implemented by software by means of a computer program.  However, one skilled in the art can easily design the control device in other forms by a variety of their combinations.  The control device 9 is for example fixed to the lamp body 2.  The lamp device 51 is connected to the vehicle speed sensor 60.  In addition, the ECU of the lamp device 51 is connected to information sensors, for example, a steering angle sensor 61, an acceleration sensor 62, a flashing detection sensor 63, a sensor brake 64, a navigation system 66, an on-vehicle image pickup device 67, an other vehicle detection sensor 68, an auto-detection sensor 69, an illumination sensor 70 and a sensor driver monitoring 73.  The information sensors are not limited to the examples and may include other sensors to detect information that the driver and / or another individual should be attentive to during the movement of the vehicle.  The vehicle speed sensor 60 may be a sensor usually provided for the vehicle, such as a mechanical sensor or an electrical sensor and is configured to detect the speed of the vehicle by detecting wheel rotations.  The steering angle sensor 61 is configured to detect the steering angle of the steering wheel.  The acceleration sensor 62 is configured to detect the importance of support on the accelerator.  The flashing detection sensor 63 is configured to detect the switching operation of a flashing light.  The brake sensor 64 is configured to detect the amount of bearing on the brake.  The navigation system 66 is configured to detect the current position of the vehicle based on data received from a GPS 65 and map data and to guide a route to a destination.  The on-vehicle image pickup device 67 is disposed in the front, rear or required direction of the vehicle and is configured to capture / record an image in the corresponding direction.  The image data taken by the on-vehicle image pickup device 67 is image processed by means of an image processing device 72, so as to recognize a target object.  The image processing device 72 performs the image processing when image data is received not only from the on-vehicle camera 67, but also from a camera other than the camera. on-vehicle image pickup device 67, for example, an external system 71, such as an intersecting intersection camera 25 or a surveillance camera also.  The other vehicle detection sensor 68 is configured to detect the relative distance or speed with respect to another vehicle in the front-to-back direction of the vehicle or on the side of the vehicle by means of a millimeter-wave radar or the like .  The self-detecting sensor 69 is configured to detect an individual in the front-to-back direction or the infrared side or the like.  The illumination sensor 70 is configured to detect the brightness of the vehicle environment using a photoelectric effect.  The conductor monitoring sensor 73 is configured to detect the condition of the conductor by means of an eyeball image analysis using an eye-catching device arranged in the vehicle or a device for analyzing the heart rate arranged in the steering wheel.  The lamp device ECU 51 comprises a laser light source control unit 81, an actuator control unit 82 and a pattern determination unit 83.  The laser light source control unit 81 is configured to independently control the IGNITION / EXTINCTION operations of the light sources 15, 16, 17 and to control the switching on / off, the color of the light source. emission and the intensity of emission of the laser light B2 based on the content determined by the drawing determining unit 83 to be described later.  The actuator control unit 82 is configured to output an actuator control signal based on the content determined by the pattern determining unit 83, so that driving the actuating device for a scanning 58 and controlling the rotation of the reflection part 39.  [0030] The actuator control unit 82 is configured to repeatedly scan in the scan area described above in the horizontal direction while deflecting the down position a slight distance. .  The laser light source control unit 81 is configured to turn on all or part of the first to the third light source 15 to 17 to emit the laser light B2 while the scanning mechanism 11 is scanning to draw a display, and to turn off all of the first to the third light source 15 to 17 for a period of time during which scanning to draw a display is not performed.  The vehicle display system 7 can thus draw a display of any shape by repeating a cycle (scan) of the high speed scan in the scan area to accumulate light spots.  On the other hand, the scanning mechanism 11 may also be configured to scan other than the horizontal scan.  After carrying out a thorough study, the inventors have discovered here that the speed of the vehicle is also important, in order to enable the driver or another individual to effectively recognize the display, although it is possible to give for example drawing dimensions, brightness (contrast) and a display method as important factors in the design specification of the road surface.  The inventors have carried out a sensory evaluation on the appearance of the display, which must be seen by a test subject in the position of a pedestrian and a driver's seat, step by step, changing the speed of the vehicle with a light source having a luminous flux of 3000 ANSI lumens.  The inventors have confirmed that when the vehicle speed exceeds 35 km / h, the display tends to spread out at an ocular point of the driver and thus, the evaluation exhibits poor performance.  Consequently, the inventors have determined that it is effective to set an upper limit VpU with respect to the speed of the vehicle so that the display is not deformed, seen from the line of sight of the driver or another individual.  The inventors have also confirmed that in a large number of cases, the display causes a disturbance to the driver who drives the vehicle by being normally attentive.  The inventors have therefore determined that it is effective to set a lower limit VpL with respect to the speed of the vehicle and not to display at a vehicle speed at which the need for the attention call was not important.  The inventors have further confirmed that when the display is on / off, the upper limit VpU being set as the threshold value, a flicker of the display occurs in a situation in which the vehicle speed increases. and decreases around the upper limit VpU, so that the driver feels a disorder in a large number of cases.  The inventors have therefore determined that it is effective to set a predetermined buffer value VpB in the low speed zone so that a redisplay to be performed after stopping the display when the vehicle speed exceeds the upper limit VpU 30 is performed with an appropriate time interval.  Referring to the results of the sensory evaluation, the inventors determined that it was preferable to set the upper limit VpU of the low speed zone at 35 km / h, the lower limit VpL at 20 km / h and the buffer value VpB at about 85% of the upper limit VpU, i.e. the buffer value VpB of 30 km / h when the upper limit VpU is 35 km / h.  Based on the foregoing, first, the drawing determining unit 83 is configured to acquire the vehicle speed from the vehicle speed sensor 60, and starts operating the drawing unit. 8 when the speed of the vehicle is greater than or equal to the lower limit VpL (20 km / h) of the low speed zone and stops the operation of the drawing unit 8 when the speed of the vehicle exceeds the upper limit VpU ( 35 km / h).  Secondly, the drawing determining unit 83 is configured to acquire the approach of another individual, such as a pedestrian, an opposing vehicle and an obstacle, and the state of the driver from the information sensors. and to determine whether it is necessary to attract the attention of the driver and / or another individual, and actuates the drawing unit 8 to draw a predetermined display around the vehicle when determined to be necessary.  Third, after the vehicle speed exceeds the upper limit VpU, and the operation stops, the drawing determining unit 83 determines whether the vehicle speed is less than or equal to the buffer value VpB (30 km / min). h) and again actuates the drawing unit 8 when the vehicle speed is less than or equal to the buffer value VpB.  Specifically, the pattern determining unit 83 is configured to display based, for example, on the flowchart of FIG. 4.  First, in step S1, the drawing determining unit 83 acquires a signal from the vehicle speed sensor 60.  Then, in step S2, the drawing determining unit 83 determines whether the vehicle speed is greater than or equal to the lower limit VpL.  When the vehicle speed is greater than or equal to the lower limit VpL (YES), the drawing determining unit 83 proceeds to step S3.  When the vehicle speed is lower than the lower limit VpL (NO), the drawing determining unit 83 returns to step S1.  Then, in step S3, the drawing determining unit 83 determines whether the vehicle speed is less than or equal to the upper limit VpU.  When the vehicle speed is less than or equal to the upper limit VpU (YES), the drawing determining unit 83 proceeds to step S4.  In step S4, the drawing determining unit 83 acquires the data from the information sensors described above.  Then, in step S5, the drawing determination unit 83 determines whether there is a situation in which the driver and / or another individual must be attentive.  When it has been determined that there is a situation in which one must be attentive and that a display is required (YES), the drawing determining unit 83 proceeds to step S6 to begin drawing, then returns at step Si.  On the other hand, when it has been determined that there is no situation in which to be attentive and that a display is not necessary (NO), the drawing determining unit 83 returns to the Step If.  A specific example of the display to be performed in step S5 will be described in the embodiments below.  On the other hand, when it has been determined in step S3 that the vehicle speed exceeds the upper limit VpU (NO), the drawing determining unit 83 proceeds to step S7, and does not perform display or stop the display.  Then, in step S8, the pattern determining unit 83 determines whether the speed of the vehicle is less than or equal to the buffer value VpB.  When it has been determined that the vehicle speed is less than or equal to the buffer value VpB (YES), the drawing determining unit 83 returns to step S4 and again determines whether the display is necessary.  When it has been determined that the vehicle speed exceeds the buffer value VpB (NO), the drawing determining unit 83 returns to step S7 and continues to interrupt the display.  [0036] Suitable examples of the display to be performed by the vehicle display system 7 configured as described above are described with reference to the embodiments shown in Figures 5 to 12.  In the drawings, a vehicle shown with the oblique lines is a vehicle (own vehicle) having the vehicle display system 7 mounted thereon and a vehicle having no oblique line indicates the other vehicle.  [0037] (Embodiment 1) FIGS. 5A and 5B show an example where it is determined in step S5 of FIG. 4 that a display is required because the driver monitor sensor 73 detects the sleepiness of the driver based on movement of the eyeballs or heart rate during movement in the low speed zone.  As shown in FIG. 5A, the vehicle display system 7 provides a display 15 for an attention call on the road surface in front of the vehicle to attract the driver's attention and to warn other vehicles circulating around the vehicle to force the driver to keep a distance between vehicles.  In this case, the display 15 is preferably flashing (for example, at a frequency of 2 Hz), instead of always being lit, since the pedestrian and the like can easily recognize it with the low light intensity of the light. drawing.  [0038] Alternatively, as shown in FIG. 5B, a display giving a more explicit message such as "Do not fall asleep" is also preferable, as the other individual can easily understand it.  Since the vehicle display system 7 is configured to display in the predetermined low speed area, even the complex shape display such as letters can be favorably recognized.  On the other hand, it is effective to require the driver to observe the road surface by the flashing display or the display of a message when the driver monitoring sensor 73 detects a side glance of the driver. driver according to the movement of the eyeballs, for example.  [Embodiment 2] Fig. 6 shows an example where it is determined in step S5 of Fig. 4 that a display is necessary because the other vehicle approaching an intersection is detected. by the image data of the intersection camera (external system) 71 during the movement in the low speed area.  The vehicle display system 7 provides a flashing display 16, which is representative of the direction of travel of the other vehicle, on the traveling lane of the own vehicle, thereby attracting driver attention.  This example is effective for intersection where visibility is poor.  [Embodiment 3] Fig. 7 shows an example where it is determined in step S5 of Fig. 4 that a display is required because the other vehicle from a blind spot is detected by the steering sensor of another vehicle 68 during travel in the low speed zone.  The vehicle display system 7 provides a blinking display 17 which indicates the direction of movement of the other vehicle in front of the other vehicle on the traveling lane of the own vehicle, thereby attracting the attention of the driver.  [0041] (Embodiment 4) Fig. 8 shows an example where it is determined in step S5 of Fig. 4 that a display is required because an obstacle such as a hole on the surface of the road is detected as a result of analyzing the image data of the vehicle-based image pickup device 67 by the image processing device 72 during the movement in the low speed area.  The vehicle display system 7 provides a blinking display 18 in the position of the obstacle, thus attracting the attention of the driver.  [Embodiment 5] Figs. 9A and 9B show examples where it is determined in step S5 of Fig. 4 that a display is required because a stopping situation is detected based on the information of the on-vehicle shooting device 67 or the navigation system 66 during traveling in the low speed area.  The vehicle display system 7 provides a flashing display 19 of a word on the road surface in front of the vehicle to attract attention, thereby drawing the driver's attention.  FIG. 9C shows an example or a flashing display 19 of a word indicating the direction of a right or left directional change is made based on the information of the flashing detection sensor 63 or the navigation system. 66 in step S5 of FIG. 4, thus attracting the attention of the driver or another individual.  Since the vehicle display system 7 is configured to display in the predetermined low speed area, even the display of a complex shape can be favorably recognized.  (Embodiment 6) FIG. 10 shows an example where it is determined in step S5 of FIG. 4 that a display is necessary because one of the pedestrians 30 performs a dangerous movement such as a jump on the road is detected as a pedestrian observation result in the vicinity of the intersection based on the image processing data of the self-detecting sensor 69 or the camera shooting device. intersection (external system) 71 during movement in the low velocity zone.  The vehicle display system 7 provides a display 110, which displays the dangerous pedestrian by light guidance, on the surface of the road in front of the vehicle based on the corresponding pedestrian position information, so that attract the attention of the driver and another individual.  [0044] (Embodiment 7) FIG. 11 shows an example where it is determined in step S5 of FIG. 4 that a display is necessary when the distance between vehicles between the own vehicle and a previous vehicle detected by the other vehicle detection sensor 68 is shortened during movement in the low speed zone.  The display system for vehicle 7 provides a display 11 between the vehicles so as to attract the attention of the driver.  In this case, when the distance between vehicles is shortened, it is effective to change the display I11 from "always on" to "flashing", and as the distance between vehicles is shortened, it is effective to shorten the interval (thus increase the frequency) of blinking (for example, from 2 Hz to 4 Hz).  It is also effective to arrange the other vehicle detection sensor 68 at the rear of the vehicle as well, to display 111 in a situation in which a rear collision is likely to occur and to change the frequency of the blinking or the display color, so as to attract the attention of the driver.  (Embodiment 8) FIG. 12 shows an example where it is determined in step S5 of FIG. 4 that a display is necessary because it has been detected during the movement in the low speed zone that the Its own vehicle travels on a road on which the frequency of accidents is high, such as a community road, a school road or the like.  The vehicle display system 7 provides a display 112, such as an exclamation mark to draw attention to the road surface in front of the vehicle, so as to attract the driver's attention.  Since the vehicle display system 7 displays in the predetermined low speed area, even the display of a complex shape can be favorably recognized.  According to the vehicle display system 7, the attention call display is realized only when the vehicle speed is in the low speed zone (from the lower limit VpL to the upper limit VpU) , the display is more difficult to spread than during a high speed movement and can be visibly recognized as a display having less distortion by the driver and / or another individual.  On the other hand, in any embodiment, in the situation in which the vehicle speed increases and decreases around the upper limit VpU, re-display is not performed until the vehicle speed becomes less than or equal to the buffer value VpB.  The conduct of the driver is therefore less disturbed by the flickering of the display.  The foregoing embodiments are only examples of the display to be performed by the vehicle display system 7 and a variety of modifications can be made based on the knowledge of a man of With respect to the respective displays 15 to 112, other letters, figures, shape changes, or additional information capable of further improving the attention call may also be adopted depending on the situation.  It can be said, for example, that modified embodiments to be described below and their combinations are also within the scope of the description.  [0048] Using the above test, it was confirmed that the display tended to spread and so was not well seen as the vehicle speed increased.  Accordingly, the drawing determining unit 83 may be configured to increase the output power of the light source which forms the display, in proportion to the increase in vehicle speed.  The pattern determining unit 83 is configured to control the laser light source control unit 81 by detecting the value of the monitor 28 which controls the output powers of the light sources 15, 16, 17, so that proportionally increase the light intensity from 6200 cd to 60,000 cd as the speed of the vehicle 30 increases from the lower limit VpL to the upper limit VpU, for example.  It is thus possible to reduce the apparent spread of the display.  On the other hand, during the control of the light intensity, the adjustment taking into account the traveling environments can be carried out by detecting the brightness of the vehicle environment by means of the illumination sensor 70.  The drawing determining unit 83 may turn on the display 15 to 112 at any time or cause it to flash when the vehicle speed reaches the lower limit VpL.  On the other hand, the drawing determining unit 83 may perform the control such as starting / acceleration of flashing when the driver is accelerating the vehicle, starting / accelerating blinking when the driver is rapidly decelerating the vehicle. , starting / accelerating blinking when the pedestrian jumps, starting / blinking acceleration as a function of the distance from an intersection and the like, depending on the situations.  Alternatively, the drawing determining unit 83 may be configured to change the color of a drawing from white to a color color such as green, blue or the like or to draw a dark spot around the display 15 to 112 and draw the display 15 to 112 in the dark point area.  Drawing determining unit 83 may be configured to display further detailed information about the conductor such as a braking operation (usually a fast braking operation), an acceleration operation (an operation accelerator), an operation on the steering wheel and the like of the driver, based on the information of the steering angle sensor 61, the acceleration sensor 62, the blinker detection sensor 63 and the sensor of the driver. brake 64.  On the other hand, the pattern determining unit 83 may be configured to predict whether the vehicle speed will reach the lower limit VpL, the upper limit VpU, or the buffer value VpB of the low speed zone from now on. based on sensor information and to represent the prediction in the control.  On the other hand, when it has been detected by the steering angle sensor 61 or the flashing detection sensor 63 that the vehicle is changing its course, the drawing determining unit 83 can draw a display on a steering wheel. road of a traffic lane after the change of course also.  The drawing determining unit 83 may be configured to display further attribute information indicating that the driver is a senior in the example of embodiment 1 (FIG. 5), information such as the vehicle vehicle speed in the examples of embodiments 2 and 3 (FIGS. 6 and 7), information such as the distance to the obstacle in the examples of embodiments 4 and 7 (FIGS. 8 and 11) and additional detailed information such as pedestrian attributes in the example of Embodiment 6 (FIG. 10) for example.  Alternatively, in the examples of Embodiments 2 and 3 (FIGS. 6 and 7), when the driver monitoring sensor 73 has detected that the driver has recognized the other vehicle by means of the displays 16 and 17, it is also effective to stop the displays 16 and 17 or to display that the driver has recognized the other vehicle.  On the other hand, the vehicle display system 7 is not limited to the configuration where it is received in the lamp device 1.  The vehicle display system 7 may be arranged for example outside the lamp device 1, such as a configuration where the vehicle display system 7 is fixed facing the roof of the vehicle.  On the other hand, when it is desired to display at the rear of the vehicle, the vehicle display system 7 may be arranged at a flashing light, brake light or the like.  On the other hand, when the vehicle display systems 7 are respectively received in the left and right lamp devices 1, the vehicle display systems 7 can perform different displays in the left and right lamp devices.  Alternatively, the vehicle display system 7 may adopt a perforated tilt mechanism in the form of a predetermined mark, replacing the scanning mechanism 11 and display by means of a mechanical configuration.
    权利要求:
    Claims (6)
    [0001]
    REVENDICATIONS1. A vehicle display system (7) comprising: a vehicle speed sensor (60) detecting the speed of a vehicle, an information sensor (61, 62, 63, 64, 66, 67, 68, 69, 70, 73) detecting information to which a driver and / or other individual should be attentive, and a drawing unit (8) drawing a predetermined display 10 around the vehicle together with a detection of the information sensor (61, 62, 63, 64, 66, 67, 68, 69, 70, 73), wherein the drawing unit (8) acts when the vehicle speed is in a predetermined low speed zone, starts operation when the speed of the vehicle The vehicle exceeds a lower limit (VpL) of the low speed zone, and stops operation when the vehicle speed exceeds an upper limit (VpU) of the low speed zone.
    [0002]
    The vehicle display system (7) according to claim 1, wherein after the drawing unit (8) stops operation when the vehicle speed exceeds the upper limit (VpU), the drawing unit (8) operates again when the vehicle speed becomes less than or equal to a predetermined buffer value (VpB) in the low speed zone. 25
    [0003]
    The vehicle display system (7) according to claim 1 or 2, wherein the upper limit (VpU) is set to a vehicle speed greater than or equal to 35 km / h.
    [0004]
    The vehicle display system (7) according to any one of claims 1 to 3, wherein the lower limit (VpL) is less than or equal to a vehicle speed of 20 km / h.
    [0005]
    The vehicle display system (7) according to any one of claims 2 to 4, wherein the buffer value (VpB) is greater than or equal to 85% of the upper limit (VpU). 303 4 877 21
    [0006]
    The vehicle display system (7) according to any one of claims 1 to 5, wherein the drawing unit (8) increases the output power of a light source forming the display in proportion to the increase in vehicle speed.
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    同族专利:
    公开号 | 公开日
    DE102016205689A1|2016-10-13|
    FR3034877B1|2020-05-22|
    US9776559B2|2017-10-03|
    US20160297357A1|2016-10-13|
    JP2016199072A|2016-12-01|
    JP6774168B2|2020-10-21|
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    法律状态:
    2017-02-27| PLFP| Fee payment|Year of fee payment: 2 |
    2018-02-28| PLFP| Fee payment|Year of fee payment: 3 |
    2018-12-28| PLSC| Search report ready|Effective date: 20181228 |
    2019-02-27| PLFP| Fee payment|Year of fee payment: 4 |
    2020-03-04| PLFP| Fee payment|Year of fee payment: 5 |
    2021-03-09| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    JP2015078428|2015-04-07|
    JP2015078428A|JP6774168B2|2015-04-07|2015-04-07|Vehicle display system|
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