JP2020142751A - Vehicle lamp fitting control device, vehicle lamp fitting control method, vehicle lamp fitting system - Google Patents

Abstract

To provide a vehicle lamp fitting control device which can set suitable dimmed region (or non-irradiation region) and light irradiation region.SOLUTION: A control device for controlling a vehicle lamp fitting which arranges irradiation light by each of plural light emission parts in a vehicle width direction to form a light distribution pattern. This control device controls the vehicle lamp fitting so as to set lightness of irradiation light by each of the plural light emission parts according to a travel state of an own vehicle, to set a combination pattern of each irradiation width of irradiation light according to the set lightness of irradiation light by each light emission part, and to compare the set combination pattern of each irradiation width of irradiation light with a position of an object existing around the own vehicle, thereby specifying irradiation light overlapping on the object and dimming irradiation light.SELECTED DRAWING: Figure 1

Description

The present invention relates to.

Japanese Unexamined Patent Publication No. 2013-82390 (Patent Document 1) describes a variable light distribution control system that variably sets the distribution of the brightness of the irradiation light to the front of the vehicle according to the traveling speed of the vehicle. In this system, the light distribution pattern is set so that the brightness of the area near the center or the center of the irradiation light in the vehicle width direction becomes larger when the vehicle is running at high speed, and the difference in brightness from the center to the left and right when running at low speed. The light distribution pattern is set so that the brightness changes gently with less light (see FIG. 5 of Patent Document 1).

Japanese Patent Application Laid-Open No. 2014-237346 (Patent Document 2) describes a portion having the highest illuminance in a light distribution pattern by increasing or decreasing the amount of light emitted by each of a plurality of light sources according to the steering angle of the vehicle. A vehicle headlight device that executes control for moving in the left-right direction (so-called electronic swivel control) is described. In this vehicle headlight device, when a non-irradiation region is formed according to the position of the vehicle in front in the light distribution pattern before the execution of the electronic swivel control, the location where the illuminance is highest due to the electronic swivel control. At least one of the plurality of light sources corresponding to the non-irradiated area after the movement is used so that the non-irradiated area moves in the light distribution pattern in the direction opposite to the moving direction of the part having the highest illuminance in conjunction with the movement. Control is performed to turn off the light.

By the way, as described above, the light distribution pattern is variably set according to the vehicle condition such as the vehicle speed and the steering angle, and the non-irradiation region (or dimming region) is provided in the light distribution pattern according to the position of the vehicle in front or the like. In some cases, the light-irradiated area and the non-irradiated area may not be set appropriately. This is because when the brightness of each partial region in the light distribution pattern is changed, the width of the light actually applied to the partial region changes.

Japanese Unexamined Patent Publication No. 2013-82390 Japanese Unexamined Patent Publication No. 2014-237346

One of the specific aspects of the present invention is to provide a technique capable of setting an appropriate dimming region (or non-irradiation region) and light irradiation region.

[1] The control device of one aspect according to the present invention is (a) a device for controlling a vehicle lamp that forms a light distribution pattern by arranging the irradiation light from each of the plurality of light emitting units in the vehicle width direction. (B) The brightness of the irradiation light by each of the plurality of light emitting units is set according to the traveling state of the own vehicle, and the brightness of the irradiation light by each of the set light emitting units is set. By setting a combination pattern of each irradiation width of the irradiation light and comparing the combination pattern of each irradiation width of the set irradiation light with the position of an object existing in the vicinity of the own vehicle. It is a control device for a vehicle lamp that controls the vehicle lamp so as to identify the irradiation light that overlaps with the object and dimm the irradiation light.
[2] The control device of one aspect according to the present invention is (a) a device for controlling a vehicle lighting tool that forms a light distribution pattern by arranging the irradiation light from each of the plurality of light emitting units in the vehicle width direction. Therefore, (b) an irradiation light setting unit that sets the brightness of the irradiation light by each of the plurality of light emitting units according to the traveling state of the own vehicle, and (c) the irradiation light setting unit that is set by the irradiation light setting unit. An irradiation width setting unit that sets a combination pattern of each irradiation width of the irradiation light according to the brightness of the irradiation light by each of the plurality of light emitting units, and (d) an object existing in the vicinity of the own vehicle. The irradiation light that overlaps with the object is specified by comparing the position of the light with the combination pattern of the irradiation width of each of the irradiation lights, and the vehicle lighting equipment is controlled so as to dimming the irradiation light that overlaps with the object. It is a control device for vehicle lighting equipment, including a dimming control unit.
[3] One aspect of the control method according to the present invention is (a) a method for controlling a vehicle lamp that forms a light distribution pattern by arranging the irradiation light from each of the plurality of light emitting units in the vehicle width direction. (B) The brightness of the irradiation light by each of the plurality of light emitting units is set according to the traveling state of the own vehicle, and the brightness of the irradiation light by each of the set light emitting units is set. By setting a combination pattern of each irradiation width of the irradiation light and comparing the combination pattern of each irradiation width of the set irradiation light with the position of an object existing in the vicinity of the own vehicle. This is a method for controlling a vehicle lamp, which controls the vehicle lamp so as to identify the irradiation light that overlaps with the object and dimm the irradiation light.
[4] One aspect of the control method according to the present invention is (a) a method for controlling a vehicle lamp that forms a light distribution pattern by arranging the irradiation light from each of the plurality of light emitting units in the vehicle width direction. Then, (b) the control device sets the brightness of the irradiation light by each of the plurality of light emitting units according to the traveling state of the own vehicle, and (c) the control device sets the irradiation light. The step of setting the combination pattern of the irradiation width of each of the irradiation lights according to the brightness of the irradiation light by each of the plurality of light emitting units set by the unit, and (d) the control device is the self. By comparing the position of the object existing around the vehicle with the combination pattern of the irradiation width of each of the irradiation lights, the irradiation light overlapping the object is specified, and the irradiation light overlapping the object is dimmed. It is a control method of the vehicle lighting equipment including the step of controlling the vehicle lighting equipment as described above.
[5] The vehicle lighting system according to the present invention is a vehicle lighting system including the above-mentioned control device and a vehicle lighting system controlled by the control device.

According to the above configuration, it is possible to set an appropriate dimming region (or non-irradiation region) and light irradiation region.

FIG. 1 is a diagram showing a configuration of a vehicle lighting system of one embodiment. 2 (A) and 2 (B) are schematic views for explaining the configuration of each lamp unit. FIG. 3A is a diagram schematically showing a high beam formed in front of the own vehicle. FIG. 3B is a diagram for explaining the lighting rate in each segment. FIG. 3C is a diagram showing an example of the irradiation range (light distribution division angle) of each segment. FIG. 4A is a diagram schematically showing a high beam formed in front of the own vehicle. FIG. 4B is a diagram for explaining the lighting rate in each segment. FIG. 4C is a diagram showing an example of the irradiation range (light distribution division angle) of each segment. FIG. 5A is a diagram schematically showing a high beam formed in front of the own vehicle. FIG. 5B is a diagram for explaining the lighting rate in each segment. FIG. 5C is a diagram showing an example of the irradiation range (light distribution division angle) of each segment. FIG. 6 is a flowchart for explaining the operation of the control device in the vehicle lighting system of the present embodiment. 7 (A) and 7 (B) are diagrams for explaining an example of the effect obtained by the vehicle lighting system of the present embodiment.

FIG. 1 is a diagram showing a configuration of a vehicle lighting system of one embodiment. The illustrated vehicle lighting system has a high beam light irradiation range and a dimming range (hereinafter, collectively referred to as "forward vehicle") according to the position of an oncoming vehicle or a preceding vehicle (hereinafter, these are collectively referred to as "forward vehicle") existing in front of the own vehicle. Alternatively, the non-irradiation range) is variably set, and the light intensity distribution of the high beam is variably set according to the traveling state (traveling direction, etc.) of the own vehicle to irradiate the front of the own vehicle with light. This vehicle lighting system includes an imaging unit 1, a control device 2, a non-volatile memory 3, and a pair of lamp units 4L and 4R.

The image pickup unit 1 is for detecting the position where the vehicle in front exists, and includes a camera 10 and an image processing unit 11. The camera 10 photographs the space around the own vehicle. The image processing unit 11 detects the position where the vehicle in front as an object exists by performing a predetermined image recognition process based on the image (image) obtained by the camera 10, and controls the position data. Supply to. The position of the vehicle in front output from the image recognition unit 11 is represented by, for example, a relative angle with respect to the position of the own vehicle.

The control device 2 has the position data (position information) of the vehicle in front obtained from the imaging unit 1, and the vehicle speed and steering angle (steering angle of the steering wheel) information obtained from various sensors (not shown) provided in the own vehicle. This is for controlling the lighting state of the pair of lamp units 4L and 4R based on the above. The control device 2 is configured by executing a predetermined operation program in a computer system including, for example, a CPU, a ROM, a RAM, and the like. The control device 2 includes a lighting rate setting unit 20, a light distribution division angle setting unit 21, a light distribution pattern setting unit 22, and a lighting control unit 23 as functional blocks. The lighting rate setting unit 20 corresponds to the "irradiation light setting unit", the light distribution division angle setting unit 21 corresponds to the "irradiation width setting unit", and the light distribution pattern setting unit 22 and the lighting control unit 23 "reduce". Corresponds to "optical control unit".

The lighting rate setting unit 20 sets the lighting rate in each of the plurality of light emitting units provided in the high beam light sources 40 of the lamp units 4L and 4R, based on the traveling state (mainly the steering angle and speed) of the own vehicle. The brightness of the irradiation light by each light emitting unit is set by this lighting rate.

The light distribution division angle setting unit 21 indicates a light distribution division (that is, an irradiation width) of the irradiation light formed by each light emitting unit based on the lighting rate of each light emitting unit set by the lighting rate setting unit 20. Set the angle combination pattern.

The light distribution pattern setting unit 22 has a high beam irradiation range based on the combination pattern of the light distribution division angle set by the light distribution division angle setting unit 21 and the position information of the vehicle in front obtained from the imaging unit 1. A certain range according to the position of the vehicle in front is set as a dimming range (or a shading range), and the other range is set as a light irradiation range.

The lighting control unit 23 generates a light distribution control signal for performing light irradiation according to the light irradiation range and the dimming range set by the light distribution pattern setting unit 22, and supplies the light distribution control signals to the lamp units 4L and 4R.

The pair of lamp units 4L and 4R are installed at predetermined positions on the left and right sides of the front portion of the own vehicle, and irradiate light for forming a high beam (running light) and a low beam (passing light). Each lamp unit 4L and 4R has a high beam light source 40 and a low beam light source 41, respectively.

The high beam light source 40 is for irradiating a high beam, and includes, for example, an LED array in which a plurality of LEDs (light emitting elements) are arranged in one direction, and a drive circuit for supplying driving power to the LED array. ing. Each LED of the high beam light source 40 can individually control the lighting state (pointing off, brightness, etc.). The drive circuit controls the brightness (luminance) of the light of each LED by, for example, PWM control or current control.

The low beam light source 41 is for irradiating a low beam, and is configured to include, for example, some LEDs and a drive circuit for driving the LEDs. In the following, the low beam will not be described in detail including the illustration, but it will be appropriately irradiated together with the high beam.

2 (A) and 2 (B) are schematic views for explaining the configuration of each lamp unit. As shown in FIG. 2A, each lamp unit 4L and 4R includes a high beam light source 40 and a lens 42 arranged in front of the high beam light source 40, a low beam light source 41 and a lens 43 arranged in front of the high beam light source 40. .. As shown in FIG. 2B, the lens 42 is arranged in front of the high beam light source 40, collects the light radiated from the high beam light source 40 to form a high beam, and directs this to the front of the own vehicle. Project. Similarly, the lens 43 is arranged in front of the low beam light source 41, collects the light radiated from the low beam light source 41 to form a low beam, and projects this into the front of the own vehicle.

FIG. 3A is a diagram schematically showing a high beam formed in front of the own vehicle. Here, a high beam formed in front of the own vehicle traveling on a straight road at a relatively low speed (for example, less than 50 km / h) is schematically shown. For the sake of clarity, the high beam formed mainly from the center of the own vehicle to the front right is shown, and the high beam formed from the center of the own vehicle to the front left is omitted from the illustration (the same applies hereinafter). ).

As shown in the figure, the high beam HB includes five segments S1, S2, S3, S4, and S5 arranged in the vehicle width direction (left-right direction in the figure). In the high beam HB of the present embodiment, the brightness (illuminance) of the irradiation light is individually controlled for each segment. For example, in the present embodiment, it is assumed that the high beam light sources 40 of the lamp units 4L and 4R have five light emitting parts, and each of these five light emitting parts has a one-to-one correspondence with the segments S1 to S5. Each light emitting unit is configured to include, for example, one or a plurality of LEDs.

In the illustrated high beam HB, each of the segments S1 to S5 partially overlaps with the other segments. Specifically, the segment S1 overlaps a part of each of the segments S2 and S3. The segment S2 overlaps a part of each of the segments S1 and S3 to S5. The segment S3 overlaps a part of each of the segments S1 to S5. The segment S4 overlaps a part of each of the segments S2 to S5. The segment S5 overlaps a part of each of the segments S2 to S4.

The brightness of this high beam HB becomes stronger in the region where more segments overlap. Therefore, it has an illuminance distribution that is brighter toward the center and decreases toward the periphery. When the oncoming vehicle 100 is present in the oncoming lane, the high beam HB is controlled so that the segments overlapping the existing positions (ranges) (all segments S1 to S5 in the illustrated example) are dimmed.

FIG. 3B is a diagram for explaining the lighting rate in each segment. As shown in the figure, the lighting rate in the light emitting portion of the high beam light source 40 corresponding to each of the segments S1 to S5 is set. The lighting rate referred to here is, for example, the emission brightness of each light emitting unit in which the maximum emission brightness is set to 100%. The width (irradiation width) of each segment S1 to S5 increases or decreases according to the lighting rate assigned to each segment.

FIG. 3C is a diagram showing an example of the irradiation range (light distribution division angle) of each segment. The irradiation range of each segment is represented by, for example, an angle with respect to the center of the own vehicle. Here, the right direction is positive and the left direction is negative with respect to the center of the own vehicle. Further, the irradiation range (irradiation width) of each segment is called "light distribution division angle". The light distribution division angle of the segment S1 is in the range of 7.8 ° to 18.2 °. The light distribution division angle of the segment S2 is in the range of 5.2 ° to 15.0 °. The light distribution division angle of the segment S3 is in the range of 2.6 ° to 10.8 °. The light distribution division angle of the segment S4 is in the range of −0.4 ° to 7.0 °. The light distribution division angle of the segment S5 is in the range of -3.4 ° to 3.4 °. As described above, the combination pattern of the light distribution division angles for each of the segments S1 to S5 is set corresponding to the straight road (low speed). Here, the irradiation range is a range in which light having an illuminance equal to or higher than a predetermined reference value is irradiated from the light source unit corresponding to each segment.

FIG. 4A is a diagram schematically showing a high beam formed in front of the own vehicle. Here, a high beam formed in front of the own vehicle traveling on a curved road (curved road) to the right is schematically shown. In the illustrated high beam HB, the widths of the segments S1 to S5 are different from those in the case of the straight road (low speed) described above. The segment S1 overlaps a part of each of the segments S2 and S3. The segment S2 overlaps a part of each of the segments S1, S3, and S4. The segment S3 overlaps a part of each of the segments S1, S2, and S4. The segment S4 overlaps a part of each of the segments S2, S3, and S5. The segment S5 overlaps a part of each of the segments S3 and S4.

The brightness of this high beam HB becomes stronger in the region where more segments overlap. For this reason, it is similar to the above-mentioned straight road (low speed) in that it is brighter toward the center and the brightness decreases toward the periphery, but the illuminance distribution is different from that of the above-mentioned straight road because the overlapping method of each segment is different. It's different. Even in the case of a curved road, the high beam HB controls so that when the oncoming vehicle 100 is present in the oncoming lane, the segment (segments S2 to S5 in the illustrated example) overlapping the existing position (range) is dimmed. Will be done.

FIG. 4B is a diagram for explaining the lighting rate in each segment. The lighting rate set for each of the segments S1 to S5 is different from that of the straight road described above. The width of each segment S1 to S5 increases or decreases according to the lighting rate assigned to each segment.

FIG. 4C is a diagram showing an example of the irradiation range (light distribution division angle) of each segment. The light distribution division angle of the segment S1 is in the range of 8.8 ° to 12.8 °. The light distribution division angle of the segment S2 is in the range of 5.6 ° to 11.8 °. The light distribution division angle of the segment S3 is in the range of 2.8 ° to 9.8 °. The light distribution division angle of the segment S4 is in the range of −0.4 ° to 6.6 °. The light distribution division angle of the segment S5 is in the range of -3.2 ° to 3.2 °. In this way, the combination pattern of the light distribution division angles for each of the segments S1 to S5 is set corresponding to the curved path.

FIG. 5A is a diagram schematically showing a high beam formed in front of the own vehicle. Here, a high beam formed in front of the own vehicle traveling on a straight road at a relatively high speed (for example, 50 km / h or more) is schematically shown. In the illustrated high beam HB, the widths of the segments S1 to S5 are different from those in the case of the straight road (low speed) described above and in the case of the curved road. The segment S1 overlaps a part of each of the segments S2 and S3. The segment S2 overlaps a part of each of the segments S1, S3, and S4. The segment S3 overlaps a part of each of the segments S1, S2, S4, and S5. The segment S4 overlaps a part of each of the segments S2, S3, and S5. The segment S5 overlaps a part of each of the segments S3 and S4.

Even in this high beam HB, its brightness becomes stronger in the region where more segments overlap. For this reason, it is the same as the above-mentioned straight road (low speed) in that it is brighter toward the center and the brightness decreases toward the periphery, but since the overlapping method of each segment is different, in the case of the above-mentioned straight road or curved road. The illuminance distribution is different from. Even in the case of a straight road (high speed), in the high beam HB, when the oncoming vehicle 100 is present in the oncoming lane, the segment (segments S2 to S5 in the illustrated example) overlapping the existing position (range) is dimmed. Is controlled.

FIG. 5B is a diagram for explaining the lighting rate in each segment. The lighting rate set for each of the segments S1 to S5 is different from that of the straight road described above. The width of each segment S1 to S5 increases or decreases according to the lighting rate assigned to each segment.

FIG. 5C is a diagram showing an example of the irradiation range (light distribution division angle) of each segment. The light distribution division angle of the segment S1 is in the range of 8.2 ° to 14.8 °. The light distribution division angle of the segment S2 is in the range of 5.0 ° to 15.0 °. The light distribution division angle of the segment S3 is in the range of 2.2 ° to 11.4 °. The light distribution division angle of the segment S4 is in the range of −0.8 ° to 7.4 °. The light distribution division angle of the segment S5 is in the range of -3.8 ° to 3.8 °. As described above, the combination pattern of the light distribution division angles for each of the segments S1 to S5 is set corresponding to the straight road (high speed).

FIG. 6 is a flowchart for explaining the operation of the control device in the vehicle lighting system of the present embodiment. The processing procedure described below is an example, and it is possible to replace the processing procedure or add another processing procedure as long as the operation is not inconsistent.

The lighting rate setting unit 20 acquires vehicle speed information and steering angle information from various sensors of the own vehicle (step S11), and based on the vehicle speed information and steering angle information, emits light corresponding to each segment S1 to S5 of the high beam HB. The lighting rate (basic light distribution) assigned to the unit is set (step S12). This lighting rate can be set, for example, by referring to a data table stored in the non-volatile memory 3 in advance.

Specifically, the lighting rate setting unit 20 determines, based on the vehicle speed information, "during high speed" when the vehicle speed is equal to or higher than a predetermined threshold value, and "during low speed driving" when the vehicle speed is less than the threshold value. Then, the lighting rate corresponding to each is set (see FIGS. 3 (B) and 5 (B)). The threshold value can be set, for example, 50 km / hour. Further, the lighting rate setting unit 20 determines that the vehicle is traveling on a curved road when the steering angle is equal to or higher than a predetermined threshold value based on the steering angle information, and sets the corresponding lighting rate (FIG. 4B). )reference). Although the description is omitted, it is also preferable that different lighting rates are set depending on whether the course is in the right direction or the left direction. Further, when traveling on a curved road, it is also preferable to individually set the lighting rate according to the vehicle speed.

Next, the light distribution division angle setting unit 21 sets a combination pattern of the light distribution division angles of each segment S1 to S5 based on the lighting rate of the light emitting unit corresponding to each segment set by the lighting rate setting unit 20. (Step S13). For example, for each segment, a data table of the light distribution division angle obtained by the lighting rate assigned to the segment is stored in advance in the non-volatile memory 3, and by referring to the data table, the distribution of each segment is performed. A combination pattern of optical segmentation angles is set (see FIGS. 3 (C), 4 (C), and 5 (C)).

Next, the light distribution pattern setting unit 22 acquires the position information of the vehicle in front from the imaging unit 1 (step S14), and determines whether or not there is a vehicle in front that should partially block the high beam. (Step S15). For example, when the position of the vehicle in front is included in a predetermined angle range in front of the own vehicle, it is determined that the vehicle in front to be shaded exists.

When there is a vehicle in front to be shaded (step S15; YES), the light distribution pattern setting unit 22 sets the position information (angle information) of the vehicle in front and each segment set by the light distribution division angle setting unit 21. By comparing the combination patterns of the light distribution division angles, the segment to be the light irradiation range and the segment to be the dimming range are set (step S16).

For example, if the position of the vehicle in front is in the range of 2.2 ° to 7.0 °, this range is compared with the light distribution division angle for each segment, and if even a part overlaps, that segment is reduced. Specified as an optical range. In the above example, in the case of a straight road (low speed), all the segments S1 to S5 overlap with the position of the vehicle in front, so all the segments are set in the dimming range (see FIG. 3C). On the other hand, in the case of a curved road and a straight road (high speed), only the segments S2 to S5 overlap, so the segment S1 is set to the light irradiation range and the segments S2 to S5 are set to the dimming range (FIG. 4). (C), see FIG. 5 (C)).

Next, the lighting control unit 23 is for performing light irradiation based on the lighting rate set by the lighting rate setting unit 20 and based on the light irradiation range and the dimming range set by the light distribution pattern setting unit 22. A light distribution control signal is generated and output to the lamp units 4L and 4R (step S17). Based on this light distribution control signal, a high beam is formed by each of the lamp units 3L and 3R and is irradiated to the front of the own vehicle. After that, the process returns to step S11.

On the other hand, when there is no vehicle in front to be shaded (step S15; NO), it is not necessary to set the dimming range. In this case, the lighting control unit 23 generates a light distribution control signal for performing light irradiation with all segments as the light irradiation range based on the lighting rate set by the lighting rate setting unit 20, and each lamp unit 4L, 4R. Is output to (step S17). Based on this light distribution control signal, a high beam is formed by each of the lamp units 3L and 3R and is irradiated to the front of the own vehicle. After that, the process returns to step S11.

FIG. 7A is a diagram for explaining an example of the effect obtained by the vehicle lighting system of the present embodiment. FIG. 7A schematically shows the high beam HB in the case of the above-mentioned curved road. As described above, when the lighting rate is variably set according to the traveling state, the light distribution division angle is appropriately obtained, and the light irradiation range and the dimming range are set using it. As shown above, the segment S1 on the right side of the oncoming vehicle 100 is set in the light irradiation range. Thereby, the visibility of the oncoming vehicle 100 with respect to the right side region can be improved. On the other hand, in the comparative example shown in FIG. 7B, the light irradiation range and the dimming range are set using the same light distribution division angle as the straight road (low speed) even in the case of the curved road. The segment S1 is also set in the shading range, and the visibility in this region is reduced. The effect shown here is an example, and conversely, the segment to be the dimming range may be set appropriately.

According to the above embodiment, it is possible to set an appropriate light distribution pattern according to the traveling state of the own vehicle.

The present invention is not limited to the contents of the above-described embodiment, and can be variously modified and implemented within the scope of the gist of the present invention. For example, aspects such as the number and shape of segments in the above-described embodiment are examples, and are not limited thereto. Further, the present invention may be applied to a lamp system used for a vehicle other than a four-wheeled vehicle (for example, a two-wheeled vehicle).

Further, in the above-described embodiment, the oncoming vehicle is exemplified as the object to be dimmed, but the object is not limited to this. For example, the preceding vehicle may be the object, or a pedestrian, a bicycle, or the like may be the object. Further, although the imaging unit has been exemplified as the detection means for these objects, a detection means such as a radar may be used.

Further, in the above-described embodiment, the light distribution division angle of each segment is set each time based on the lighting rate of each segment according to the traveling state of the own vehicle, but the light distribution division angle of each segment corresponding to each traveling state is set. The light distribution division angle may be set in advance as data in the non-volatile memory 3 and the light distribution division angle of each segment may be set by appropriately reading the data.

1: Imaging unit, 2: Control device, 3: Non-volatile memory, 4L, 4R: Lamp unit (vehicle lighting equipment), 10: Camera, 11: Image processing unit, 20: Lighting rate setting unit, 21: Light distribution division Angle setting unit, 22: Light distribution pattern setting unit, 23: Lighting control unit, 40: High beam light source, 41: Low beam light source, 42, 43: Lens, 100: Vehicle in front

The present invention relates to a vehicle lamp .

Claims (8)

It is a device for controlling a vehicle lamp that forms a light distribution pattern by arranging the irradiation light from each of a plurality of light emitting units in the vehicle width direction.
The brightness of the irradiation light by each of the plurality of light emitting units is set according to the traveling state of the own vehicle, and each of the irradiation lights is set according to the brightness of the irradiation light by each of the set light emitting units. By setting the combination pattern of the irradiation width of the above and comparing the combination pattern of each irradiation width of the set irradiation light with the position of the object existing in the vicinity of the own vehicle, the irradiation overlapping with the object is performed. The vehicle lighting equipment is controlled so as to specify the light and dimming the irradiation light.
Control device for vehicle lighting equipment. It is a device for controlling a vehicle lamp that forms a light distribution pattern by arranging the irradiation light from each of a plurality of light emitting units in the vehicle width direction.
An irradiation light setting unit that sets the brightness of the irradiation light by each of the plurality of light emitting units according to the traveling state of the own vehicle, and an irradiation light setting unit.
An irradiation width setting unit that sets a combination pattern of each irradiation width of the irradiation light according to the brightness of the irradiation light by each of the plurality of light emitting units set by the irradiation light setting unit.
By comparing the position of the object existing around the own vehicle with the combination pattern of the irradiation width of each of the irradiation lights, the irradiation light overlapping with the object is specified, and the irradiation light overlapping with the object is reduced. A dimming control unit that controls the vehicle lighting fixtures so that they shine,
Vehicle lighting control devices, including. The traveling state of the own vehicle is the vehicle speed of the own vehicle and / or the traveling direction of the own vehicle.
The control device for a vehicle lamp according to claim 1 or 2. The combination pattern of each irradiation width of the irradiation light is set by referring to a data table prepared in advance.
The control device for a vehicle lamp according to any one of claims 1 to 3. The brightness of the irradiation light by each of the plurality of light emitting units is set by the lighting rate of each of the plurality of light emitting units.
The control device for a vehicle lamp according to any one of claims 1 to 4. It is a method for controlling a vehicle lamp that forms a light distribution pattern by arranging the irradiation light from each of a plurality of light emitting units in the vehicle width direction.
The brightness of the irradiation light by each of the plurality of light emitting units is set according to the traveling state of the own vehicle, and each of the irradiation lights is set according to the brightness of the irradiation light by each of the set light emitting units. By setting a combination pattern of the irradiation widths of the above and comparing the combination pattern of each irradiation width of the set irradiation light with the position of the object existing in the vicinity of the own vehicle, the irradiation overlapping with the object is performed. The vehicle lighting equipment is controlled so as to specify the light and dimming the irradiation light.
How to control vehicle lighting. It is a method for controlling a vehicle lamp that forms a light distribution pattern by arranging the irradiation light from each of a plurality of light emitting units in the vehicle width direction.
A step in which the control device sets the brightness of the irradiation light by each of the plurality of light emitting units according to the traveling state of the own vehicle.
A step in which the control device sets a combination pattern of irradiation widths of the irradiation light according to the brightness of the irradiation light by each of the plurality of light emitting units set by the irradiation light setting unit.
The control device identifies the irradiation light that overlaps with the object by comparing the position of the object existing around the own vehicle with the combination pattern of the irradiation width of each of the irradiation light, and the object and the object. A step of controlling the vehicle lighting fixture so as to dimming the overlapping irradiation light,
How to control vehicle lighting, including. A vehicle lighting system including the control device according to any one of claims 1 to 5 and a vehicle lighting device controlled by the control device.

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