JP6374145B2 - Vehicle lamp system - Google Patents

Description

  The present invention relates to a vehicular lamp system.

  Conventionally, for the purpose of improving the visibility of the road surface in front of the vehicle when traveling in rainy weather or the like, a vehicle headlamp is disclosed in which a light distribution pattern for low beam and an additional light distribution pattern for lane mark irradiation are irradiated simultaneously ( For example, see Patent Document 1).

JP 2007-234562 A JP 2012-054141 A JP 2000-348507 A

  In the vehicle headlamp described in Patent Document 1, the additional light distribution pattern for lane mark irradiation is not only the lane mark on the left side of the vehicle lane, but also on the right side of the vehicle lane. The lane side lane mark is also formed so as to be irradiated. Therefore, the light for irradiating the oncoming lane side lane mark is reflected by the road surface, which may give glare to the driver of the oncoming vehicle.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicular lamp system capable of improving visibility in front of a vehicle during rainy weather while preventing glare from being given to a driver of an oncoming vehicle.

In order to achieve the above object, a vehicle lamp system according to the present invention includes:
(1) a first optical system capable of forming a diffused light distribution pattern extending in the horizontal direction in front of the vehicle;
It is possible to form a rainy day light distribution pattern in which light is irradiated only on and around the lane mark of the own lane and the lane mark extending on the opposite lane side along the shoulder of the own lane. A second optical system,
With
During rainy travel, at least the rainy light distribution pattern is formed among the diffused light distribution pattern and the rainy light distribution pattern.
According to this configuration, since at least rainy light distribution pattern is formed during rainy weather, it is possible to improve the visibility around the lane mark on the lane when raining while preventing glare from being given to the driver of the oncoming vehicle. be able to.

(2) The turning on / off of the first optical system can be switched according to the lane width,
When the lane width is equal to or smaller than a certain width, the first optical system may be turned off and only the rainy light distribution pattern may be formed.
According to this configuration, since the diffused light distribution pattern and the rainy light distribution pattern can be selectively formed according to the lane width, the light distribution pattern according to the road condition can be appropriately formed.

(3) The size of the light distribution pattern in the rain can be changed according to the rainfall,
The rainy light distribution pattern may be extended to the front side of the own lane-side lane mark as the rainfall increases.
According to this configuration, it is possible to appropriately change the size of the light distribution pattern in the rain according to the change in the rainfall, and to ensure the visibility of the lane mark on the own lane.

(4) The rainy light distribution pattern can be changed in size according to the vehicle speed,
The rainy light distribution pattern may be formed so as to become shorter toward the back side of the own lane side lane mark along the direction in which the own lane side lane mark extends as the vehicle speed increases.
According to this configuration, it is possible to appropriately change the size of the light distribution pattern in the rain according to the change in the vehicle speed, and to ensure the visibility of the own lane side lane mark.

(5) It is good also as a structure which turns off the said light distribution pattern at the time of a rainy vehicle at the time of vehicle approach to the curve road which curves to the opposite lane side.
According to this configuration, the driver's line of sight is not guided to the near side of the curved road, and it is possible to ensure far visibility when the vehicle enters the curved road that curves to the opposite lane.

(6) A first lamp unit provided on the own lane side of the front part of the vehicle and capable of forming the rainy day light distribution pattern, and provided on the opposite lane side of the front part of the vehicle and forming the rainy day light distribution pattern. A possible second lamp unit,
When the vehicle speed exceeds a predetermined vehicle speed, the first lamp unit may be turned off and the second lamp unit may be turned on.
According to this configuration, the rainy day light distribution pattern can also be used as a highway light distribution pattern according to the vehicle speed.

  ADVANTAGE OF THE INVENTION According to this invention, the visibility improvement of the surroundings of the own lane side lane mark can be implement | achieved at the time of rainy driving, preventing the glare given to the driver of oncoming vehicles.

1 is a block diagram of a vehicle lamp system according to a first embodiment of the present invention. It is a schematic diagram which shows the light distribution pattern formed by the vehicle lamp system of FIG. 1, and the on-off state of a lamp. It is a schematic diagram which shows the light distribution pattern formed by the vehicle lamp system which concerns on the 2nd Embodiment of this invention. It is a schematic diagram which shows the light distribution pattern formed by the vehicle lamp system which concerns on the 3rd Embodiment of this invention. It is a schematic diagram which shows the light distribution pattern formed by the vehicle lamp system which concerns on the 4th Embodiment of this invention. It is a schematic diagram which shows the light distribution pattern formed by the vehicle lamp system which concerns on the 5th Embodiment of this invention. It is a schematic diagram which shows the light distribution pattern formed with the vehicle lamp system which concerns on the modification of this invention.

  Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In each drawing used in the following description, the scale is appropriately changed to make each member a recognizable size. Further, “right” and “left” used in the following description indicate left and right directions when the vehicle front is viewed from the driver's seat.

(First embodiment)
FIG. 1 schematically shows an overall configuration of a vehicle on which a vehicle lamp system according to a first embodiment of the present invention is mounted. The vehicle 1 includes an integrated control unit (ECU) 10, a left headlamp LH, and a right headlamp RH.

  The integrated control unit 10 includes a CPU that executes various arithmetic processes, a ROM that stores various control programs, a RAM that is used as a work area for data storage and program execution, and executes various controls in the vehicle 1. . The integrated control unit 10 is communicably connected to the wiper 11, the camera 12, the vehicle speed sensor 13, and the raindrop sensor 14.

  The left and right headlamps LH and RH provided on the left and right of the front portion of the vehicle 1 include a first lamp 20 and a second lamp 30, respectively. The first lamp 20 is, for example, a projector-type lamp, and can form a low beam light distribution pattern and a high beam light distribution pattern. The second lamp 30 is a lamp used as, for example, a fog lamp. The integrated control unit 10 separately controls the light irradiation by the first lamp 20 and the light irradiation by the second lamp 30.

  FIG. 2 shows a light distribution pattern formed on a virtual vertical screen arranged at a position 25 m ahead of the lamp by light emitted from the second lamp 30 to the front of the vehicle, and an on / off state of the second lamp 30. It is a schematic diagram. FIGS. 2 (a) and 2 (c) show a situation in which the vehicle travels on the left side of a straight road with two opposite lanes and extends along the center of the road between the own lane and the opposite lane. The mark LMC, the own lane side lane mark LML extending between the own lane and the left road shoulder, and the opposite lane side lane mark LMR extending between the opposite lane and the right road shoulder are illustrated.

As shown in FIG. 2B, the second lamp 30 includes a first light source 30A (an example of a first optical system) and a second light source 30B (an example of a second optical system). The integrated control unit 10 controls turning on / off of the first light source 30A and the second light source 20B in accordance with an operation of a fog lamp switch (not shown).
30 A of 1st light sources are comprised, for example from the parabolic lamp, and can form the diffused light distribution pattern P1, as shown to Fig.2 (a). The diffusion light distribution pattern P1 is a general light distribution pattern for fog lamps, and is formed by irradiating light so as to spread in the horizontal direction in front of the vehicle. The illuminance of the diffused light distribution pattern P1 is, for example, about 10000 cd.

  The second light source 30B is composed of, for example, a parabolic lamp, and can form a rainy light distribution pattern P2 as shown in FIG. The rainy day light distribution pattern P2 includes the own lane side lane mark LML on the left side of the own lane and the opposite lane side lane mark LMC, LMR located on the right side of the own lane, and the surrounding lane mark LML Is formed over a predetermined range along the direction in which the own lane side lane mark LML extends. The illuminance of the light distribution pattern P2 in the rain is higher than the illuminance of the diffuse light distribution pattern P1, and is about 30000 cd, for example.

  When driving in the rain, for example, when the driver is instructed to operate the fog lamp switch or the like to form a light distribution pattern in the rain, the integrated control unit 10 turns on the first light source 30A and the second light source 30B. The diffused light distribution pattern P1 and the rainy light distribution pattern P2 are formed. Further, when the integrated control unit 10 detects the rainfall based on the operating state of the wiper 11 and determines that the operating frequency of the wiper 11 has become a certain level or more (that is, exceeds a certain amount of rainfall), the diffused light distribution pattern P1 and rainy light distribution pattern P2 may be formed. In addition, it is good also as a structure which detects the amount of rain by imaging the road surface with the camera 12, and detecting the flooding degree of a road surface, or detecting the amount of raindrops, etc. on a windshield with the raindrop sensor 14.

  As shown in FIG. 2A, the opposite lane side light distribution pattern P0 is a light distribution pattern that irradiates the central lane mark LMC over a predetermined range along the direction in which the central lane mark LMC extends. In the conventional vehicular lamp system, the opposite lane side light distribution pattern P0 is formed together with the rainy day light distribution pattern P2 that irradiates the lane mark LML on the own lane when running on rainy weather. However, when the oncoming lane side light distribution pattern P0 is formed during rainy weather, the oncoming lane side light distribution pattern P0 may be reflected on the flooded road surface, resulting in glare to the driver of the oncoming vehicle. .

  Therefore, in the present embodiment, whether or not the vehicle is traveling in the rain is detected by operating the fog lamp switch, the operating state of the wiper 11, or the like, and if it is determined that the vehicle is traveling in the rain, the first light source 30A and By turning on the second light source 30B, the diffused light distribution pattern P1 and the rainy light distribution pattern P2 are formed without forming the oncoming lane side light distribution pattern P0. Accordingly, it is possible to improve the visibility around the lane mark LML on the own lane when traveling in the rain while preventing glare from being given to the driver of the oncoming vehicle.

  If the second lamp 30 is to be used as a normal fog lamp, as shown in FIG. 2D, only the first light source 30A is turned off with the second light source 30B turned off according to the operation of the fog lamp switch. Can be lit. As a result, as shown in FIG. 2C, only the diffused light distribution pattern P1 is formed and can be used as a normal fog lamp. As described above, according to the present embodiment, since turning on / off of the first light source 30A and the second light source 30B can be controlled, at least one of the diffused light distribution pattern P1 and the rainy light distribution pattern P2 can be formed. The versatility of the 2nd lamp 30 used as a fog lamp can be improved.

In addition, as shown in FIG. 2 (e), when the road is narrow during rainy weather, for example, when the vehicle 1 passes through a straight road with only one lane, the diffused light distribution pattern P1 is not formed. It is preferable to form only the rainy light distribution pattern P2.
Specifically, when the roadside building or the like is detected by the camera 12 that images the front of the vehicle and it is determined that the road width is narrow, the integrated control unit 10 performs the first operation as shown in FIG. Only the second light source 30B can be turned on while the light source 30A is turned off, and only the rainy light distribution pattern P2 can be formed. If the diffused light distribution pattern P1 is formed when the road width is narrow, light is irradiated to a range that greatly exceeds the road width, and visibility around the lane mark LML on the own lane cannot be secured, and pedestrians and the like It is because there is a possibility of giving glare to.
As described above, according to the present embodiment, the diffused light distribution pattern P1 and the rainy light distribution pattern P2 can be selectively formed according to the lane width. It can be formed appropriately.

(Second Embodiment)
FIG. 3 is a diagram illustrating a light distribution pattern formed by the vehicular lamp system according to the second embodiment. Constituent elements that are the same as or equivalent to those of the first embodiment shown in FIGS. 1 and 2 are given the same reference numerals, and repeated descriptions are omitted.
As shown in FIG. 3A, in this embodiment, the rainy light distribution pattern P2 has a first irradiation region P2A and a second irradiation region P2B. The first irradiation region P2A is a region on the near side of the own lane side lane mark LML, and the second irradiation region P2B is a region on the back side of the own lane side lane mark LML. When both the first irradiation area P2A and the second irradiation area P2B are irradiated, a rainy light distribution pattern P2 is formed as in the first embodiment.

In the present embodiment, when the rainfall is measured by the raindrop sensor 14 or the like and it is determined that the rainfall is equal to or greater than a certain amount (the amount of rainfall is large), as shown in FIG. Irradiates both the first irradiation area P2A and the second irradiation area P2B with light to form a rainy light distribution pattern P2. When there is a lot of rain, it becomes difficult to see the near side of the own lane side lane mark LML (the short distance part in the own lane side lane mark LML). This is because it is necessary to stretch.
On the other hand, when it is determined that the rainfall is less than a certain amount (the rainfall is small), as shown in FIG. 3B, the integrated control unit 10 does not irradiate the first irradiation region P2A with light. Only the second irradiation region P2B is irradiated with light. This is because when the amount of rain is small, light is irradiated only to the back side of the own lane side lane mark LML (the long distance part in the own lane side lane mark LML) to ensure distant visibility.

Switching between turning on and off of the first irradiation region P2A can be performed by various methods. For example, the second light source 30B that forms the first irradiation region P2A and the second light source 30B that forms the second irradiation region P2B are provided separately, and when the rainfall is low, the first irradiation region P2A is formed. Only the second light source 30B forming the second irradiation region P2B may be turned on with the second light source 30B turned off. In addition, a reflector or shade (not shown) may be provided in the vicinity of the second light source 30B, and turning on / off of the first irradiation region P2A may be controlled by moving the reflector or shade. Further, for example, a so-called monofocus lamp having a lens provided in front of the second light source 30B composed of two LED chips is formed, and the first irradiation region P2A is turned on and off by switching the lighting of the two LED chips. Can also be switched.
As described above, according to the present embodiment, it is possible to appropriately change the size of the light distribution pattern P2 in rainy weather according to the change in the amount of rain, and to ensure the visibility of the own lane side lane mark LML. .

In the second embodiment, the size of the rain-light distribution pattern P2 can be changed in accordance with the change in the rainfall, but the present invention is not limited to this example. For example, it is possible to change the size of the light distribution pattern P2 in the rain according to the change in the vehicle speed. At this time, the rainy day light distribution pattern P2 is formed so as to become shorter toward the back side of the own lane side lane mark LML along the direction in which the own lane side lane mark LML extends as the vehicle speed of the vehicle 1 increases. Is preferred. In general, when the vehicle speed is equal to or higher than a certain speed, it is required to improve the far visibility of the lane mark LML on the own lane.
Therefore, when the rainfall is measured by the raindrop sensor 14 or the like and the vehicle speed is measured by the vehicle speed sensor 13, the integrated control unit 10 determines that the rainfall is less than a certain amount and the vehicle speed is greater than or equal to a certain speed. As shown in FIG. 3B, only the second irradiation region P2B is irradiated without irradiating the first irradiation region P2A with light. On the other hand, if the vehicle 1 is not traveling at a high speed, it is necessary to ensure the visibility of the front side of the lane mark LML on the own lane, so that it is determined that the vehicle speed is below a certain speed regardless of the rainfall As shown in FIG. 3A, the integrated control unit 10 irradiates both the first irradiation area P2A and the second irradiation area P2B to form a normal rainy light distribution pattern P2.
Thus, during high-speed driving, the rainy side light distribution pattern P2 is formed so that the front side of the lane mark LML on the own lane is extinguished and shortened toward the back side, thereby ensuring the visibility on the far side. can do.

(Third embodiment)
FIG. 4 is a diagram illustrating a light distribution pattern formed by the vehicular lamp system according to the third embodiment.
In general, the visibility of the lane mark LML on the own lane varies greatly depending on the amount of rainfall and the flooded state of the road surface. For example, when the rain starts and the road surface is not so wet, the visibility of the lane mark LML on the own lane is maintained, but when the rain continues and the road surface is completely flooded, the own lane The visibility of the side lane mark LML is reduced.

  Therefore, in the present embodiment, as illustrated in FIG. 4, the second lamp 30 causes the irradiation area to be larger than the rainy day wide light distribution pattern P <b> 2 </ b> L and the rainy day wide light distribution pattern P <b> 2 </ b> L. And a narrow light distribution pattern P2S in rainy weather that is small and low in illuminance can be formed. The rainy weather wide light distribution pattern P2L and the rainy weather narrow light distribution pattern P2S are switched according to changes in the amount of rain. Specifically, when the rainfall is low, the visibility of the lane mark LML on the own lane is maintained to some extent, and therefore it is sufficient to form the narrow light distribution pattern P2S in the rain. On the other hand, when the rain amount is a certain amount or more, it is necessary to further improve the visibility of the lane mark LML on the own lane, so that the wide light distribution pattern P2L in the rainy weather is formed.

  Switching between the wide light distribution pattern P2L in the rain and the narrow light distribution pattern P2S in the rain can be performed by changing the value of the current applied to the second light source 30B. That is, when the current value applied to the second light source 30B is high, it is possible to irradiate a wide range brightly, which is suitable for the formation of a wide light distribution pattern P2L in rainy weather. On the other hand, when the current value applied to the second light source 30B is low, the irradiation area is narrow and the illuminance is low, which is suitable for forming the narrow light distribution pattern P2S in rainy weather. Therefore, in the present embodiment, for example, the current applied to the second light source 30B is detected by detecting the amount of rain according to the operating state of the wiper 11, or by detecting the degree of flooding of the road surface by imaging the road surface with the camera 12. By changing the value, it is possible to switch between the wide light distribution pattern P2L in rainy weather and the narrow light distribution pattern P2S in rainy weather.

  As described above, according to the present embodiment, as in the second embodiment, the size of the rainy day light distribution patterns P2L and P2S is appropriately changed according to the road conditions during rainy weather, and the own lane side lane The visibility of the mark LML can be improved.

(Fourth embodiment)
FIG. 5 is a diagram illustrating a light distribution pattern formed by the vehicular lamp system according to the fourth embodiment. FIG. 5 shows a state in which the vehicle 1 enters a curved road that curves toward the opposite lane on the opposite two-lane road.
As described in the first embodiment, when the vehicle 1 is traveling on a straight road when it rains, a diffused light distribution pattern P1 and a rainy light distribution pattern P2 are formed. On the other hand, as in the present embodiment, when the vehicle 1 enters a curved road that curves toward the opposite lane, only the first light source 30A is turned on and the second light source 30B is turned off even during rainy weather. Thereby, as shown in FIG. 5, only the diffused light distribution pattern P1 is formed, and the rainy light distribution pattern P2 that irradiates the lane mark LML on the own lane is extinguished.

In general, when the vehicle 1 enters a curved road, it is desirable that the driver's line of sight is guided to the back side of the curved road. However, if the rainy day light distribution pattern P2 is formed when the vehicle 1 enters a curved road that curves to the opposite lane, the front side of the vehicle 1 is irradiated. It will be guided to the near side of.
Therefore, in the present embodiment, even when traveling in rainy weather, for example, when it is determined that the vehicle 1 enters a curved road that curves to the opposite lane side by operating a steering wheel (not shown), light distribution in rainy weather The pattern P2 is turned off so that the front side of the vehicle is not irradiated. Note that the front of the vehicle may be detected by the camera 12 to determine whether or not the vehicle 1 enters a curved road that curves to the opposite lane.
According to this configuration, the driver's line of sight is not guided to the near side of the curved road, and it is possible to ensure far visibility when the vehicle enters the curved road that curves to the opposite lane.

(Fifth embodiment)
FIG. 6 is a diagram showing a light distribution pattern formed by the vehicular lamp system according to the fifth embodiment. FIG. 6 shows a state in which the vehicle 1 is traveling at a high speed on, for example, a two-lane highway.
The left rainy light distribution pattern P3 is formed by the second lamp 30 of the left headlamp LH (an example of the first lamp unit) provided on the own lane side of the front portion of the vehicle 1 in FIG. This left-hand rainy day light distribution pattern P3 is a light distribution pattern that irradiates the roadside region including the own lane side lane mark LML over a predetermined range along the direction in which the own lane side lane mark LML extends.
The right rainy light distribution pattern P4 is formed by the second lamp 30 of the right headlamp RH (an example of the second lamp unit) provided on the opposite lane side of the front portion of the vehicle 1 in FIG. This right rainy light distribution pattern P4 is a light distribution pattern that irradiates a region on the own lane side including the own lane side lane mark LML over a predetermined range along the direction in which the own lane side lane mark LML extends.

In the present embodiment, when the vehicle speed is measured by the vehicle speed sensor 13 and it is determined that the vehicle 1 is traveling at a predetermined vehicle speed or less, the integrated control unit 10 uses the second lamp 30 of the left headlamp LH. And the second lamp 30 of the right headlight RH are turned on to form a left-side rainy day light distribution pattern P3 and a right-side rainy day light distribution pattern P4. Light is applied to the LML and its surroundings.
On the other hand, when it is determined that the vehicle 1 is traveling at a predetermined vehicle speed or higher, the integrated control unit 10 turns off the second lamp 30 of the left headlamp LH, as shown in FIG. The second lamp 30 of the right headlamp RH is turned on to form only the right rainy light distribution pattern P4, thereby irradiating light on the own lane.

  According to the present embodiment, when the vehicle 1 is traveling on a highway or the like at high speed, only the second lamp 30 of the right headlamp RH on the opposite lane side is lit to form the right rainy light distribution pattern P4. And by irradiating light to the vehicle front side seen from a driver | operator, the light distribution pattern suitable for high-speed driving | running | working can be formed. Therefore, the second lamp 30 provided in the vehicular lamp system of the present embodiment can appropriately switch between the rainy day light distribution pattern and the highway light distribution pattern according to the vehicle speed. Further, the right rainy light distribution pattern P4 is formed by light emitted from the right headlamp RH toward the opposite side to the opposite lane (left side in FIG. 6), and thus forms a highway light distribution pattern. Even when doing so, glare on the driver of the oncoming vehicle can be reliably prevented.

  Each of the embodiments described above is for facilitating understanding of the present invention, and does not limit the present invention. The present invention can be modified and improved without departing from the spirit of the present invention, and it is obvious that the present invention includes equivalents thereof.

In the second embodiment, when the rainfall exceeds a certain amount, both the first irradiation area P2A and the second irradiation area P2B are formed and light is emitted to the front side of the own lane side lane mark LML. However, the present invention is not limited to this example. For example, the rainy day light distribution pattern P2 may be gradually extended to the front side of the own lane side lane mark LML as the rainfall increases.
Also, when the size of the rainy day light distribution pattern P2 is changed according to the vehicle speed, the rainy day light distribution pattern P2 is directed toward the back side along the direction in which the own lane side lane mark LML extends as the vehicle speed increases. It is good also as a structure formed so that it may become short gradually.
Furthermore, when the rainfall is below a certain amount and the vehicle speed is above a certain speed, as shown in FIG. 7, the portion that irradiates the back side of the lane mark LML on the own lane of the rainy day light distribution pattern P2, The rainy day light distribution pattern P2C may be formed by rotating the portion that irradiates the front side of the own lane side lane mark LML toward the road shoulder. In the rainy day light distribution pattern P2C, the portion irradiated on the own lane side lane mark LML is shorter toward the inner side of the own lane side lane mark LML than the rainy day light distribution pattern P2. Such a rainy day light distribution pattern P2C can be formed, for example, by rotating the second light source 30B in accordance with the amount of rain and the vehicle speed. According to this configuration, it is possible to improve distant visibility of the own lane side lane mark LML with a simple configuration.

  In the above embodiment, an example in which the vehicle 1 is traveling on the left side has been described. However, the present invention can be similarly applied to a case where the vehicle 1 is a right side vehicle.

  1: vehicle, 10: integrated control unit, 11: wiper, 12: camera, 13: vehicle speed sensor, 14: raindrop sensor, 20: first lamp, 30: second lamp, 30A: first light source (first optical system) 30B: second light source (example of second optical system), LH: left headlight, RH: right headlight, P0: oncoming lane side light distribution pattern, P1: diffuse light distribution pattern, P2: Rainy light distribution pattern, P2A: first irradiation area, P2B: second irradiation area, P2L: wide light distribution pattern in rainy weather, P2S: narrow light distribution pattern in rainy weather, P3: left rainy light distribution pattern, P4: right light Rain distribution pattern, LMC: Center lane mark, LML: Own lane side lane mark, LMR: Oncoming lane side lane mark

Claims (5)

A first optical system capable of forming a diffused light distribution pattern extending in the horizontal direction in front of the vehicle;
It is possible to form a rainy day light distribution pattern in which light is irradiated only on and around the lane mark of the own lane and the lane mark extending on the opposite lane side along the shoulder of the own lane. A second optical system,
With
During rainy weather, at least the rainy light distribution pattern is formed among the diffuse light distribution pattern and the rainy light distribution pattern,
According to the lane width, the first optical system can be switched on and off,
When the lane width is equal to or smaller than a certain width, the first optical system is turned off and only the rainy light distribution pattern is formed. A first optical system capable of forming a diffused light distribution pattern extending in the horizontal direction in front of the vehicle;
It is possible to form a rainy day light distribution pattern in which light is irradiated only on and around the lane mark of the own lane and the lane mark extending on the opposite lane side along the shoulder of the own lane. A second optical system,
With
During rainy weather, at least the rainy light distribution pattern is formed among the diffuse light distribution pattern and the rainy light distribution pattern,
The size of the light distribution pattern during rainy weather can be changed according to the amount of rain,
The vehicle light system according to claim 1, wherein the rainy light distribution pattern is extended to the near side of the lane mark on the own lane side as the rainfall increases. A first optical system capable of forming a diffused light distribution pattern extending in the horizontal direction in front of the vehicle;
It is possible to form a rainy day light distribution pattern in which light is irradiated only on and around the lane mark of the own lane and the lane mark extending on the opposite lane side along the shoulder of the own lane. A second optical system,
With
During rainy weather, at least the rainy light distribution pattern is formed among the diffuse light distribution pattern and the rainy light distribution pattern,
The size of the light distribution pattern in the rain can be changed according to the vehicle speed,
The rainy day light distribution pattern is formed so as to become shorter toward the back side of the own lane side lane mark along the direction in which the own lane side lane mark extends as the vehicle speed increases. Lamp system. The vehicular lamp system according to any one of claims 1 to 3 , wherein the light distribution pattern during rainy weather is turned off when the vehicle enters a curved road that curves toward the opposite lane. A first optical system capable of forming a diffused light distribution pattern extending in the horizontal direction in front of the vehicle;
It is possible to form a rainy day light distribution pattern in which light is irradiated only on and around the lane mark of the own lane and the lane mark extending on the opposite lane side along the shoulder of the own lane. A second optical system,
With
The second optical system is provided on the own lane side of the front part of the vehicle and is capable of forming the rainy light distribution pattern, and is provided on the opposite lane side of the front part of the vehicle and the rainy time distribution. A second lamp unit capable of forming a light pattern,
During rainy weather, at least the rainy light distribution pattern is formed among the diffuse light distribution pattern and the rainy light distribution pattern,
When the vehicle speed exceeds a predetermined vehicle speed, the first lamp unit is turned off, and the second lamp unit is turned on.

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