JP2020147251A - Light monitoring device - Google Patents

Abstract

To provide a technology for monitoring lighting of a light suitable for automatic driving.SOLUTION: A light monitoring unit calculates, in S110, peripheral illuminance which is an illuminance of vehicle surroundings from an image captured by a camera mounted on a vehicle. In S130, the light monitoring unit acquires a light setting, which is a setting of a light switch 8 for switching operation of a light projection unit 7 having one or more lamps for irradiating light to a range including a capture range of the camera. In S140 to S170, if the peripheral illuminance is lower than a preset light threshold value and the light setting is an on-setting which lights the light projection unit at all times or an auto-setting for automatically switching between lighting and light-off in response to brightness of the surroundings, a notification is effected for evoking an attention regarding an abnormality present in the light projection unit.SELECTED DRAWING: Figure 3

Description

The present disclosure relates to a technique for appropriately turning on a vehicle light.

A technology is known in which the headlights of a vehicle are automatically turned on according to the brightness of the surroundings. Normally, the illuminometer that detects the brightness is located at a different position from the user's line of sight, so even if the illuminometer determines that it is bright, there are scenes where the user's line of sight feels dark. On the other hand, Patent Document 1 below proposes a technique of calculating the illuminance in a region close to the user's line of sight from an image of the front of the vehicle and automatically turning on the headlights according to the calculated illuminance. ..

Japanese Patent No. 4937199

However, as a result of detailed examination by the inventor, it has been found that the prior art cannot recognize whether or not the vehicle is lit with an appropriate brightness when applied to a vehicle for autonomous driving. Was done. That is, the prior art only controls the on / off of the headlights according to the illuminance calculated from the image, and the illuminance calculated from the image is low even though the headlights are on. No action has been taken.

One aspect of the present disclosure is to provide a technique for monitoring the lighting of a light suitable for autonomous driving.

One aspect of the present disclosure is a light monitoring device, which includes an illuminance calculation unit (S110), a setting acquisition unit (S130), and a warning unit (S140 to S170). The illuminance calculation unit calculates the peripheral illuminance, which is the illuminance around the vehicle, from the image captured by the camera mounted on the vehicle. The setting acquisition unit acquires the light setting, which is the setting of the light switch (8) for switching the operation of the light projection unit (7) having one or more lamps that irradiate the range including the image pickup range of the camera. To do. The alert part has an ambient illuminance lower than the preset lighting threshold value, and the light setting is set to turn on the light projecting part at all times, or automatically turns on and off according to the ambient brightness. In the case of the auto setting for switching, a notification is performed to call attention to the abnormality in the light projecting unit.

According to such a configuration, a notification for alerting when the ambient illuminance is lower than the lighting threshold even though the floodlight should be lit based on the ambient illuminance and the light setting. Is done. By this notification, it is possible to make the user recognize that sufficient brightness is not obtained due to a defect in the light projecting unit and that sensing by the in-vehicle sensor is difficult to function effectively. As a result, for example, it is possible to promote switching from automatic operation to manual operation.

It is a block diagram which shows the structure of a light control system. It is explanatory drawing which shows the imaging range of a camera and the irradiation range of a light. It is a flowchart of a light monitoring process.

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings.
[1. overall structure]
The light control system 1 is a system mounted on a vehicle such as an automobile and used, and as shown in FIG. 1, a plurality of electronic control units (hereinafter, ECUs) 3 connected via an in-vehicle communication network 5. 6 is provided. Hereinafter, the vehicle equipped with the light control system 1 is referred to as a own vehicle.

For example, CAN is used in the vehicle-mounted communication network 5, and various vehicle-mounted devices are connected to the vehicle-mounted communication network 5. CAN is a registered trademark and is an abbreviation for Controller Area Network.
The plurality of ECUs 3 and 6 connected to the in-vehicle communication network 5 include at least an image ECU 3 which is an ECU used for image processing and a light ECU 6 which is an ECU used to drive a light mounted on the own vehicle. .. Further, from ECUs other than the ECUs 3 and 6, behavior information indicating the behavior of the own vehicle, operation information indicating the driving operation applied to the own vehicle, and the like are transmitted to the in-vehicle communication network 5. The behavior information includes at least the vehicle speed of the own vehicle, and the behavior information includes at least a shift range representing the position of the shift lever.

The image acquisition unit 2 and the monitor 4 are connected to the image ECU 3. Further, the light projecting unit 7, the light switch 8, and the selection switch 9 are connected to the light ECU 6.
The image acquisition unit 2 includes a front camera 21, a rear camera 22, a left side camera 23, and a right side camera 24. These cameras 21 to 24 are configured by using a CCD image sensor or a CMOS image sensor. As shown in FIG. 2, the front camera 21 is installed, for example, on the bumper at the front end of the vehicle so that the front of the vehicle has a shooting range (hereinafter, front shooting range) 101. The rear camera 22 is installed, for example, on the bumper at the rear end of the vehicle so that the rear of the vehicle has a shooting range (hereinafter, rear shooting range) 102. The left side camera 23 is arranged, for example, on the left side mirror so that the left side of the vehicle is the shooting range (hereinafter, the left side shooting range) 103. The right side camera 24 is installed, for example, on the right side mirror so that the right side of the vehicle has a shooting range (hereinafter, right side shooting range) 104. The shooting range shown in FIG. 2 is schematic, and is actually set so as to include a minimum range required for various applications that use images. Each camera 21 to 24 repeatedly shoots at a preset time interval (for example, 1/15 [second]), and outputs the shot image to the image ECU 3.

Returning to FIG. 1, the monitor 4 is a display device having a display screen configured by using a liquid crystal or an organic EL, and is arranged at least in a position visible to a user (for example, a driver) in the passenger compartment of the own vehicle. To. The monitor 4 displays an image according to a signal input from the image ECU 3.

The light projecting unit 7 includes a headlight 71, a rear light 72, a left side light 73, and a right side light 74. Although the illustration of the light projecting unit 7 in FIG. 2 is omitted, the headlight 71 includes the front photographing range 101 in the irradiation range. The rear light 72 includes the rear photographing range 102 in the irradiation range. The left side light 73 includes the left side photographing range 103 in the irradiation range. The right side light 74 includes the right side photographing range 104 in the irradiation range.

The light switch 8 and the selection switch 9 are arranged at positions that can be operated by the user in the own vehicle.
The light switch 8 is a switch for switching the operation of the light projecting unit 7, and has an on setting, an off setting, and an auto setting. The on setting is a setting for constantly lighting the floodlight unit 7. The off setting is a setting for constantly turning off the light projecting unit 7. The auto setting is a setting for automatically switching on and off according to the ambient brightness.

The selection switch 9 allows the user to select the content of the process to be performed when the light switch 8 is set to off even though the brightness is such that the light projecting unit 7 should be turned on in the light monitoring process described later. It is a switch for making the switch, and has a caution setting and a switching setting. The caution setting is a setting for performing a notification for urging the user to switch the light switch 8. The switching setting is a setting in which the lights 71 to 74 are automatically turned on by automatically switching the light switch 8 from the off setting to the auto setting or the on setting.

[1-1. Light ECU]
The light ECU 6 includes a light drive unit 61, an in-vehicle communication unit 62, and a light processing unit 63.

The light driving unit 61 turns on and off the light projecting unit 7 according to an instruction from the light processing unit 63. Further, the light drive unit 61 includes a current detection circuit 611 that detects the magnitude of the drive current flowing through each lamp serving as a light source of each of the lights 71 to 74 when the light projecting unit 7 is lit.

The in-vehicle communication unit 62 executes communication with other ECUs mounted on the own vehicle via the in-vehicle communication network 5. The in-vehicle communication unit 62 collects information necessary for control by the light ECU 6 from another ECU, and provides the information detected by the light ECU 6 to the other ECU. The information collected by the light ECU 6 via the in-vehicle communication unit 62 includes illuminance information indicating the brightness around the vehicle (that is, ambient illuminance), and a switching instruction output from the image ECU 3 to switch the setting of the light switch 8. Is included. The illuminance information may be calculated from an image acquired by the image ECU 3 described later, or may be acquired from a separately prepared illuminance sensor. Further, the information provided by the light ECU 6 via the in-vehicle communication unit 62 includes the setting state of the light switch 8 and the selection switch 9, and the lamp burnout information based on the detection result in the current detection circuit 611.

The write processing unit 63 includes a CPU and a microcomputer having a semiconductor memory (hereinafter, memory) such as RAM, ROM, and flash memory. The light processing unit 63 includes a lighting control unit 631, an automatic switching unit 632, and an information providing unit 633 as a function configuration realized by the CPU executing a program.

The lighting control unit 631 controls lighting and extinguishing of the light projecting unit 7 according to the set state of the light switch 8. Specifically, when the light switch 8 is set to ON, the light projecting unit 7 is turned on by outputting a lighting instruction to the light driving unit 61. When the light switch 8 is set to off, the light projecting unit 7 is turned off by outputting a light-off instruction to the light drive unit 61. When the light switch 8 is set to auto, the light projecting unit 7 is turned on or off according to the illuminance information acquired via the in-vehicle communication unit 62. Specifically, if the ambient illuminance shown in the illuminance information is equal to or less than the preset lighting threshold, the light projecting unit 7 is turned on, and if the peripheral illuminance is higher than the lighting threshold and equal to or higher than the setting extinguishing threshold, the light is projected. Turn off the unit 7. The lighting threshold is set to be equal to or higher than the minimum illuminance at which sensing by various in-vehicle sensors used in automatic driving functions effectively. Effective functioning of sensing means that detection results can be obtained with the minimum accuracy required for autonomous driving.

When the automatic switching unit 632 receives the switching instruction from the image ECU 3 via the in-vehicle communication unit 62, the automatic switching unit 632 automatically switches the setting of the light switch 8 to the auto setting or the on setting. Here, it is assumed that the setting is switched to the auto setting.

When the light ECU 6 is activated, the information providing unit 633 provides the initial settings of the light switch 8 and the selection switch 9 to other ECUs via the in-vehicle communication unit 62. The initial setting may be a fixed value set in advance, or may be a set value when the light ECU 6 is stopped last time. Further, when the settings of the light switch 8 and the selection switch 9 are changed, the information providing unit 633 provides the changed setting contents to another ECU via the in-vehicle communication unit 62. Further, the information providing unit 633 monitors the detection result in the current detection circuit 611 when the lighting control unit 631 lights the light projecting unit 7. Then, when a lamp whose current value detection result is smaller than the preset current threshold value is detected, other lamp burnout information indicating that the lamp is not lit due to a failure is transmitted via the in-vehicle communication unit 62. Provided to the ECU.

[1-2. Image ECU]
The image ECU 3 includes a signal input unit 31, an in-vehicle communication unit 32, an image processing unit 33, an image output unit 34, and an image recording unit 35.

The signal input unit 31 converts the captured images input from the cameras 21 to 24 belonging to the image acquisition unit 2 into digital signals by sampling them, and outputs them to the processing unit 33.
Similar to the in-vehicle communication unit 62 of the light ECU 6, the in-vehicle communication unit 32 executes communication with other ECUs mounted on the own vehicle via the in-vehicle communication network 5. The in-vehicle communication unit 32 collects information necessary for control by the image ECU 3 from another ECU, and provides the information generated by the image ECU 3 to the other ECU. The information collected by the image ECU 3 via the in-vehicle communication unit 32 includes the vehicle speed and shift range, the setting states of the light switch 8 and the selection switch 9 provided by the light ECU 6, and the light-out information. The information provided by the image ECU 3 via the in-vehicle communication unit 32 includes illuminance information extracted from the captured image and a switching instruction for switching the setting of the light switch 8.

The image output unit 34 converts the digital signal of the composite image output from the processing unit 33 into an analog signal and outputs it to the monitor 4.
The image recording unit 35 is a storage device composed of a readable / writable non-transitional actual recording medium, and stores a photographed image acquired from the image acquisition unit 2 and a composite image generated by the processing unit 33.

The processing unit 33 includes a CPU and a microcomputer having a semiconductor memory (hereinafter, memory) such as RAM, ROM, and flash memory.
The processing unit 33 includes an image synthesizing unit 331, an image recognition unit 332, a drawing unit 333, and a light monitoring unit 334 as a function configuration realized by the CPU executing a program.

The image composition unit 331 generates one or more composite images based on the captured images captured by two or more cameras among the captured images acquired from the cameras 21 to 24 via the signal input unit 31. The composite image is an image in which a plurality of captured images are combined, and the composite image may be viewpoint-converted.

The image recognition unit 332 recognizes a predetermined object from the composite image generated by the image synthesis unit 331. The predetermined object referred to here includes, for example, lane markings such as white lines, moving objects such as people, automobiles, and bicycles, and stationary objects such as signals and signs. As a method of recognizing an object from an image, for example, pattern matching, calculation processing using a learning model, and the like can be used, but the method is not limited thereto. Further, the image recognition unit 332 generates object information regarding the object. The object information may include the position of the object, the moving speed of the object, the moving direction of the object, and the like. The object information is at least used for various controls required for autonomous driving. The image recognition unit 332 corresponds to the object detection unit.

The drawing unit 333 corrects the brightness and color of the composite image (for example, the difference in brightness between the white line and the road surface), and generates an image that is easy for the passengers of the vehicle to see when displayed on the monitor 4. The drawing unit 333 stores the composite image whose brightness and color have been corrected in the image recording unit 35, and displays the composite image on the monitor 4 via the image output unit 34.

The light monitoring unit 334 executes a light monitoring process for monitoring the lighting state of the light projecting unit 7 based on the captured images acquired from the cameras 21 to 24. The image ECU 3 provided with the light monitoring unit 334 corresponds to the light monitoring device.

[2. processing]
Next, the light monitoring process executed by the light monitoring unit 334 will be described with reference to the flowchart of FIG. When the image ECU 3 receives power and starts operation, the light monitoring process is repeatedly executed for each of the combinations of the camera 21, the light 71, the camera 22 and the light 72, the camera 23 and the light 73, and the camera 24 and the light 74. To. Hereinafter, the combination of the camera 21 (that is, the front camera) and the light 71 (that is, the headlight) will be described as a representative.

The light monitoring unit 334 first calculates the illuminance around the vehicle in S110 based on the image acquired from the front camera 21. The illuminance may be an average value of the entire image, or may be an average value of a specific object extracted from the image, for example, a road surface or a portion where a white line is reflected.

In the subsequent S120, the light monitoring unit 334 determines whether or not the illuminance calculated in S110 (hereinafter, ambient illuminance) is larger than the lighting threshold value. When the light monitoring unit 334 determines that the ambient illuminance is greater than the lighting threshold value, the process is temporarily terminated, and when it is determined that the ambient illuminance is equal to or less than the lighting threshold value, the process shifts to S130.

In S130, the light monitoring unit 334 acquires the setting state of the light switch 8 and the selection switch 9, the lamp burnout information, and the own vehicle speed via the in-vehicle communication unit 32.
In the subsequent S140, the light monitoring unit 334 determines whether or not the light switch 8 acquired in S130 is in the off setting. When the light monitoring unit 334 determines that the light switch 8 is not in the off setting, that is, when the light switch 8 is set to on or auto, the process shifts to S150, and when it is determined that the light switch 8 is in the off setting, The process shifts to S180.

In S150, the light monitoring unit 334 determines whether or not the lamp is burnt out in the headlight 71 based on the lamp burnout information regarding the headlight 71 acquired in S130. That is, if the illuminance is equal to or less than the lighting threshold value and the light switch 8 is set to ON or auto, the headlight 71 should be lit. Therefore, in this state, if no current is flowing through the lamp belonging to the headlight 71, it can be determined that the light is out. When the light monitoring unit 334 determines in S150 that the lamp is out, the process shifts to S160, and when it determines that the lamp is not out, the light monitoring unit 334 shifts the process to S170.

In S160, the light monitoring unit 334 gives a notification to alert the user that the lamp is out, and temporarily ends the process. Here, as a notification for calling attention, for example, "the lamp is out" is displayed on the monitor 4.

In S170, the light monitoring unit 334 notifies the user that sufficient illuminance is not obtained due to dirt on the cover or lamp of the headlight 71, and temporarily terminates the process. Here, as a notification for calling attention, for example, "the headlight is dirty" is displayed on the monitor 4.

In S180, the light monitoring unit 334 determines whether or not the own vehicle is stopped. Specifically, if the vehicle speed of the own vehicle acquired in S130 is zero, it is determined that the vehicle is stopped. When the light monitoring unit 334 determines that the own vehicle is moving instead of being stopped, the process shifts to S190, and when it determines that the own vehicle is stopped, the process shifts to S220.

In S190, the light monitoring unit 334 determines whether or not the selection switch 9 acquired in S130 is a changeover setting. If it is determined that the selection switch 9 is not a changeover setting, that is, if it is determined that it is a caution setting, the process shifts to S200, and if it is determined that the selection switch 9 is a changeover setting, the process is performed in S210. Transition.

In S200, the light monitoring unit 334 gives a notification to urge the user to switch the light switch 8 to the on setting or the auto setting, and temporarily ends the process. Here, as a notification for prompting the user, for example, "Please switch the light switch 8" is displayed on the monitor 4.

In S210, the light monitoring unit 334 outputs a switching instruction for switching the setting of the light switch 8 from the off setting to the auto setting via the in-vehicle communication unit 32, and temporarily ends the process. Upon receiving this switching instruction, the light ECU 6 switches the setting of the light switch 8 to the auto setting. Then, the headlight 71 is automatically turned on by the control of the lighting control unit 631.
In S220, the light monitoring unit 334 determines whether or not a pedestrian or the like is detected in the forward shooting range 101 in the image recognition unit 332. Pedestrians and the like refer to objects that move at a lower speed than vehicles, such as bicycles, in addition to pedestrians. When the light monitoring unit 334 determines that a pedestrian or the like is detected, the process shifts to S230, and when it is determined that a pedestrian or the like is not detected, the light monitoring unit 334 temporarily ends the process.

In S230, the light monitoring unit 334 outputs an instruction to turn on the headlight 71 (hereinafter, notification lighting) in a predetermined pattern to the light ECU 6 via the in-vehicle communication unit 32, and temporarily ends the process. Upon receiving the notification lighting instruction, the light ECU 6 lights the headlight 71 in a predetermined pattern to notify the pedestrian or the like that the own vehicle recognizes the pedestrian or the like.

In this embodiment, S110 corresponds to an illuminance calculation unit, S130 corresponds to a setting acquisition unit and an information acquisition unit, S140 to S170 correspond to a warning unit, S180 to S210 correspond to a switching promotion unit, and S220 to S230 correspond to a notification lighting unit.

[3. effect]
According to the embodiment described in detail above, the following effects are obtained.
(3a) The light control system 1 controls the lighting and extinguishing of the light projecting unit 7 according to the comparison result between the ambient illuminance and the lighting threshold value. Further, the lighting threshold value is set based on the brightness at which the sensing by the in-vehicle sensor used in the automatic driving functions effectively, not on the user's visibility. Therefore, according to the light control system 1, appropriate light control can be realized in a vehicle in which automatic driving is performed.

(3b) In the light control system 1, the user is alerted when the ambient illuminance is below the lighting threshold even though the lights 71 to 74 are set to light (hereinafter, lighting setting). .. Therefore, according to the light control system 1, it is possible to make the user recognize that the sensing by the in-vehicle sensor used for automatic driving is difficult to function effectively.

(3c) In the light control system 1, when the ambient illuminance is equal to or less than the lighting threshold value even though the lighting is set, it is further determined based on the lamp burnout information whether or not the lamp is burnt out, and the determination result is obtained. The user is alerted according to the above. Therefore, it is possible to make the user recognize whether the cause of the situation in which the sensing is difficult to function effectively is the lamp burnout or the dirt on the optical system such as the cameras 21 to 24 or the lights 71 to 74.

(3d) In the light control system 1, when the light switch 8 is set to off, the vehicle is stopped, and a pedestrian or the like is detected, a notification is turned on, so that the pedestrian or the like is recognized. It can inform pedestrians and the like.

[4. Other embodiments]
Although the embodiments of the present disclosure have been described above, the present disclosure is not limited to the above-described embodiments, and can be implemented in various modifications.

(4a) In the above embodiment, the notification for calling attention and the notification for urging the user are performed by displaying on the monitor 4, but the present disclosure is not limited to this, and for example, voice is used. You may use it.

(4b) In the above embodiment, the function of the light monitoring unit 334 is provided in the image ECU 3, but this function may be provided in the light ECU 6 or another ECU.
(4c) In the above embodiment, it has been described that the light monitoring process is performed in each of the four directions of the front, the rear, and the left and right sides of the vehicle, but it is configured to be carried out in one or more directions. It suffices if it is done.

(4d) The image processing unit 33 and the write processing unit 63 described in the present disclosure, and the method thereof constitute a processor and a memory programmed to execute one or a plurality of functions embodied by a computer program. It may be realized by a dedicated computer provided by the user. Alternatively, the image processing unit 33 and the write processing unit 63 described in the present disclosure, and the method thereof may be realized by a dedicated computer provided by configuring the processor with one or more dedicated hardware logic circuits. .. Alternatively, the image processing unit 33 and the write processing unit 63 described in the present disclosure, and the method thereof, are provided by a processor and memory programmed to perform one or more functions and one or more hardware logic circuits. It may be realized by one or more dedicated computers configured in combination with the configured processors. The computer program may also be stored on a computer-readable non-transitional tangible recording medium as an instruction executed by the computer. The method of realizing the functions of each part included in the image processing unit 33 and the light processing unit 63 does not necessarily include software, and all the functions are realized by using one or more hardware. May be done.

(4e) A plurality of functions possessed by one component in the above embodiment may be realized by a plurality of components, or one function possessed by one component may be realized by a plurality of components. .. Further, a plurality of functions possessed by the plurality of components may be realized by one component, or one function realized by the plurality of components may be realized by one component. Further, a part of the configuration of the above embodiment may be omitted. In addition, at least a part of the configuration of the above embodiment may be added or replaced with the configuration of the other above embodiment.

(4f) In addition to the above-mentioned light monitoring device (that is, an ECU including a light monitoring unit 334), a system having the light monitoring device as a component, a program for operating a computer as the light monitoring device, and this program are recorded. The present disclosure can also be realized in various forms such as a non-transitional actual recording medium such as a semiconductor memory, a write monitoring method, and the like.

1 ... Light control system, 2 ... Image acquisition unit, 3 ... Image ECU, 4 ... Monitor, 5 ... In-vehicle communication network, 6 ... Light ECU, 7 ... Light projector, 8 ... Light switch, 9 ... Selection switch, 21- 24 ... Camera, 31 ... Signal input unit, 32 ... In-vehicle communication unit, 33 ... Image processing unit, 34 ... Image output unit, 35 ... Image recording unit, 61 ... Light drive unit, 62 ... In-vehicle communication unit, 63 ... Light processing Unit, 71-74 ... Light, 331 ... Image synthesis unit, 332 ... Image recognition unit, 333 ... Drawing unit, 334 ... Light monitoring unit, 611 ... Current detection circuit, 631 ... Lighting control unit, 632 ... Automatic switching unit, 633 … Information provision department.

Claims (7)

An illuminance calculation unit (S110) configured to calculate the ambient illuminance, which is the illuminance around the vehicle, from an image taken by a camera mounted on the vehicle.
It is configured to acquire the light setting which is the setting of the light switch (8) for switching the operation of the light projecting unit (7) having one or more lamps that irradiate the range including the shooting range of the camera. With the setting acquisition unit (S130)
Because the ambient illuminance is lower than the preset lighting threshold value, and the light setting is an on setting for constantly lighting the floodlight, or automatically switches between lighting and extinguishing according to the ambient brightness. In the case of the automatic setting of, the warning unit (S140 to S170) configured to notify that there is an abnormality in the light emitting unit, and
Light monitoring device equipped with. The light monitoring device according to claim 1.
The lighting threshold is set to be equal to or higher than the minimum illuminance at which the detection result of the accuracy required for automatic driving can be obtained by sensing the in-vehicle sensor used for automatic driving of the vehicle.
Light monitoring device. The light monitoring device according to claim 1 or 2.
An information acquisition unit (S130) configured to acquire lamp burnout information indicating whether or not the lamp is burnt out is further provided for each lamp.
When the lamp burnout information acquired by the information acquisition unit indicates that the lamp burns out, the warning unit notifies that the abnormality of the light projecting unit is the lamp burnout. When the lamp burnout information indicates that the lamp burnout has not occurred, the light monitoring configured to notify that the abnormality of the light projecting unit is a stain on the camera or the optical system of the lamp. apparatus. The light monitoring device according to any one of claims 1 to 3.
When the ambient illuminance is lower than the lighting threshold value and the light setting is an off setting for constantly turning off the light projecting unit, the user is urged to switch the light switch to the on setting or the auto setting. Switching promotion unit (S180 to S210) configured to perform at least one of notification for the purpose or automatic switching of the light switch from the off setting to the on setting or the auto setting.
Light monitoring device further equipped with. The light monitoring device according to claim 4.
The switching promotion unit is a light monitoring device configured to operate when the vehicle is moving. The light monitoring device according to claim 4 or 5.
A light monitoring device further comprising a selection switch (9) for allowing the user to select either a notification prompting the switching of the light switch or the automatic switching of the light switch as an implementation content of the switching promotion unit. The light monitoring device according to any one of claims 4 to 6.
An object detection unit (332) configured to detect a preset object from an image, and
When the ambient illuminance is lower than the lighting threshold value, the light setting is the off setting, the vehicle is stopped, and the object is detected by the object detection unit. , Notification lighting units (S220 to S230) configured to light the floodlight unit in a preset pattern, and
Light monitoring device further equipped with.

Images