JP2022109690A - In-vehicle device, program and information processing method - Google Patents

Abstract

An in-vehicle device or the like for efficiently controlling a lighting device mounted in a vehicle is provided. An in-vehicle device is communicably connected to a lamp device including a front lamp and a rear lamp mounted in a vehicle, and communicates with an in-vehicle ECU mounted in the vehicle. an input unit to which a signal from a switch connected to the device is input; and a control unit for controlling the driving of the lighting device, wherein the control unit is configured to be either the communication unit or the input The lamp drive information relating to the drive request of the lamp device is aggregated via the unit, and the driving of the front lamps and the rear lamps included in the lamp device is performed based on the aggregated lamp drive information. Individually controlled. [Selection drawing] Fig. 1

Description

The present invention relates to an in-vehicle device, a program, and an information processing method.

A vehicle is equipped with a body ECU, which is an in-vehicle ECU that controls body devices such as, for example, a wiper drive device, lighting devices inside and outside the vehicle, door lock devices, and power windows (for example, Patent Document 1). . The wiper drive device of Patent Document 1 includes an in-vehicle ECU and is driven by a control program applied to the in-vehicle ECU.

JP 2017-224926 A

However, in the driving device of Patent Document 1, there is a problem that the control functions for the lamp device mounted on the vehicle are consolidated and no consideration is given to the efficient control of the lamp device.

An object of the present disclosure is to provide an in-vehicle device or the like capable of efficiently controlling a lighting device mounted in a vehicle.

An in-vehicle apparatus according to an aspect of the present disclosure is an in-vehicle apparatus communicably connected to a lamp apparatus including a front lamp and a rear lamp mounted in a vehicle, and an in-vehicle ECU mounted in the vehicle. a communication unit for communicating with the device, an input unit for receiving a signal from a switch connected to the device itself, and a control unit for controlling the driving of the lamp device, wherein the control unit includes the communication unit Alternatively, via the input unit, the lamp drive information related to the drive request of the lamp apparatus is aggregated, and based on the aggregated lamp drive information, the front lamps and the rear lamps included in the lamp apparatus are collected. individually control the drive.

According to one aspect of the present disclosure, it is possible to provide an in-vehicle device or the like that efficiently controls a lighting device mounted in a vehicle.

1 is a schematic diagram illustrating a configuration of an in-vehicle system including an in-vehicle device (lamp ECU) and the like according to Embodiment 1; FIG. 2 is a block diagram illustrating an internal configuration of an in-vehicle device; FIG. 5 is a flowchart illustrating processing of a control unit of an in-vehicle device; FIG. 7 is a schematic diagram illustrating the configuration of an in-vehicle system including an in-vehicle device (light body ECU) and the like according to Embodiment 2 (side lighting body).

[Description of Embodiments of the Present Disclosure]
First, embodiments of the present disclosure will be enumerated and described. Moreover, at least part of the embodiments described below may be combined arbitrarily.

(1) An in-vehicle device according to an aspect of the present disclosure is an in-vehicle device that is communicatively connected to a lamp device that includes a front lamp and a rear lamp that are mounted on a vehicle. an input unit for receiving a signal from a switch connected to the device; and a control unit for controlling the driving of the lighting device. Via the communication unit or the input unit, the lamp drive information related to the drive request of the lamp device is aggregated, and based on the aggregated lamp drive information, the front lamps included in the lamp device and the Individually control the driving of the rear lights.

In this aspect, the control unit of the in-vehicle device, for example, via a communication unit compatible with CAN or Ethernet (registered trademark), or an input unit consisting of an input/output I/F (interface), By acquiring all the lamp body driving information, the relevant lamp body driving information is aggregated. The control unit of the in-vehicle device individually controls driving of the front lamps and the rear lamps included in the lamp device based on the aggregated lamp drive information. That is, the in-vehicle device integrates functions for controlling all the lamps included in the lamp device, such as the front lamp and the rear lamp. It functions (corresponds) as a body ECU. In this way, by consolidating the functions for controlling the lamp device into the vehicle-mounted device (lamp ECU), the lamp device mounted on the vehicle can be efficiently controlled. By using the in-vehicle device with integrated functions related to the lamp device, it is possible to eliminate the need for direct communication between the switch or other in-vehicle ECU that outputs the lamp drive information and the lamp device. As a result, the in-vehicle device (lighting ECU) is mainly used to respond to changes in the specifications of the lighting device, the development of variations, or the expansion of applicable vehicle types, thereby suppressing modifications to the switch or other in-vehicle ECU. It is possible to improve the development efficiency of the lamp device.

(2) In the in-vehicle device according to an aspect of the present disclosure, the lamp driving information includes information output by a switch based on an operation of an operator of the vehicle, and information based on the behavior of the vehicle or the surrounding environment of the vehicle. and information output by the in-vehicle ECU.

In this aspect, the lamp drive information regarding the drive request for lighting, extinguishing, or flashing of the lamp device is a switch (lamp switch) operated by the vehicle operator, or information about the behavior of the vehicle or the surrounding environment of the vehicle. is output from the in-vehicle ECU that acquires The in-vehicle ECU is connected to sensors such as a brake sensor, an illuminance sensor, a CMOS camera, or LiDAR (Light Detection and Ranging), for example, and outputs lamp drive information based on sensor values or images output from these sensors. . The in-vehicle device includes lamp drive information based on the direct operation of the vehicle operator on the switch, and lamp drive information according to the behavior of the vehicle or the surrounding environment of the vehicle other than the direct operation by the operator. By acquiring and consolidating the information of both, it is possible to efficiently control the lighting device mounted on the vehicle. When the in-vehicle device acquires the lamp drive information based on the operation of the switch and the lamp drive information corresponding to the behavior of the vehicle or the surrounding environment of the vehicle within the same processing unit time, the lamp drive information The priority may be determined, and the drive control of the lamp apparatus may be performed based on the determined priority.

(3) In the in-vehicle device according to one aspect of the present disclosure, the information output by the in-vehicle ECU includes information on AHB (Active High Beam) control, information on ADB (adaptive driving beam) control, DRL (Daytime Running Lamps) control, and information on ESS (Emergency Signal System) control.

In this aspect, the information (lamp drive information) output by the in-vehicle ECU based on the behavior of the vehicle or the surrounding environment of the vehicle includes at least one of information on AHB, ADB, DRL, and ESS. The in-vehicle device can drive and control the lamp device in correspondence with these driving support system functions.

(4) In the in-vehicle device according to an aspect of the present disclosure, the control unit identifies any one of the lamps included in the lamp device as a lamp to be controlled based on the aggregated lamp drive information. Then, a control signal corresponding to the drive request to the specified lamp is generated, and the generated control signal is output to the specified lamp.

In this aspect, the control unit identifies one of the lamps to be controlled based on the data stored in the payload of the message or the signal pattern included in the acquired and aggregated lamp drive information. The specified lamps may be either the front lamps or the rear lamps, or both the front lamps and the rear lamps. The control unit generates a control signal corresponding to the drive request for the specified lamp based on the signal pattern included in the acquired and collected lamp drive information or the data stored in the payload of the message. Since the program executed by the control unit includes a module group corresponding to all control functions for all lamps included in the lamp device, the control unit can efficiently generate the control signal. Since the generated control signal is output to each of the specified lamps, it is possible to individually control the driving of all the lamps included in the lamp device.

(5) In the in-vehicle device according to an aspect of the present disclosure, the light source of the front lamp includes either a halogen lamp or an LED lamp, and the controller controls the front lamp according to the type of the light source. control the drive.

In this aspect, it is assumed that the front lighting body may be configured with a halogen lamp as a light source or with an LED lamp as a light source depending on the vehicle type or class. The functions provided include a function of driving and controlling front lamps using halogen lamps as light sources and a function of performing drive control of front lamps using LED lamps as light sources. Therefore, the in-vehicle device can be configured (standardized) as a standard component that can be applied to both the halogen lamp and the LED lamp.

(6) An in-vehicle device according to an aspect of the present disclosure is connected to a power supply device mounted on the vehicle, and distributes electric power output from the power supply device to the front lamp and the rear lamp.

In this aspect, the vehicle-mounted device and the front and rear lamps included in the lighting device are directly connected by a power supply line, and the electric power output from the power supply device is supplied to the lamp via the vehicle-mounted device. By distributing (relaying) the power to each lamp of the device, the power line in the vehicle can be rectified, and the power line can be routed efficiently. The in-vehicle device is equipped with fuses (semiconductor fuses, melting fuses) corresponding to the power consumption of the front and rear lamps in order to distribute electric power to the front and rear lamps included in the lamp unit. There may be.

(7) In the in-vehicle device according to an aspect of the present disclosure, the lamp device includes a side lamp, and the electric power output from the power supply device is supplied to the front lamp, the rear lamp, and the side lamp. distributed to lamps.

In this aspect, the lamp system includes side lamps in addition to front lamps and rear lamps. The in-vehicle device controls the front lamps, rear lamps and side lamps included in the lamp units based on the aggregated lamp drive information. Since the driving of the lamps is individually controlled and the electric power is distributed (relayed) to these lamps, it is possible to comprehensively control the lamp devices mounted on the vehicle. The lighting system includes front lighting, rear lighting, and side lighting, as well as in-vehicle lighting such as an illumination light or a room light. Vehicle-mounted lighting includes front lighting, rear lighting, and side lighting. It may also be one that comprehensively controls the lighting device including the vehicle body and the vehicle interior lighting body.

(8) A program according to an aspect of the present disclosure includes a computer communicably connected to a lighting device including a front lighting body and a rear lighting body mounted on a vehicle, and an in-vehicle ECU mounted on the vehicle. Through a communication unit for communication or an input unit to which a signal from a switch connected to the computer is input, lamp drive information related to a drive request for the lamp device is aggregated, and the aggregated lamp drive is performed. Based on the information, driving of the front lamps and the rear lamps included in the lamp device is individually controlled.

In this aspect, the computer can function as an in-vehicle device that efficiently controls the lighting device mounted in the vehicle.

(9) An information processing method according to an aspect of the present disclosure provides a computer communicably connected to a lighting apparatus including a front lighting body and a rear lighting body mounted on a vehicle. Through a communication unit for communicating with an ECU or an input unit to which a signal from a switch connected to the own computer is input, lamp drive information related to a drive request for the lamp unit is aggregated, and the aggregated lamp is transmitted. Based on the body driving information, the driving of the front lighting bodies and the rear lighting bodies included in the lighting device is individually controlled.

In this aspect, it is possible to provide an information processing method that causes a computer to function as an in-vehicle device that efficiently controls a lighting device mounted in a vehicle.

[Details of Embodiments of the Present Disclosure]
A specific example of the in-vehicle device 1 according to the embodiment of the present disclosure will be described below with reference to the drawings. The present disclosure is not limited to these examples, but is indicated by the scope of the claims, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

(Embodiment 1)
Embodiments will be described below with reference to the drawings. FIG. 1 is a schematic diagram illustrating the configuration of an in-vehicle system S including an in-vehicle device 1 (lamp ECU) and the like according to the first embodiment. FIG. 2 is a block diagram illustrating the internal configuration of the in-vehicle device 1. As shown in FIG. The in-vehicle system S includes a lighting device 2 and an in-vehicle device 1 that controls driving of the lighting device 2 .

The in-vehicle device 1 includes a switch 101 (lamp switch) for turning on or off the lamp device 2, and lamp drive information (related to a drive request for the lamp device 2) based on the behavior of the vehicle C or the surrounding environment of the vehicle C. information) is communicably connected to an in-vehicle ECU 3 that outputs information. Various functions for comprehensively controlling the lamp device 2 are integrated and mounted in the in-vehicle device 1, and the in-vehicle device 1 receives the signals output from the switch 101 and the All lamp drive information consisting of information (messages) is acquired and aggregated. The in-vehicle device 1 functions as a lamp body ECU (equivalent to )do.

The in-vehicle device 1 is connected to the power supply device 4 by the power line 41 via the indoor electric box 42 and the outdoor electric box 43 . The indoor electric box 42 and the outdoor electric box 43 include fuses (semiconductor fuses, fusion fuses) whose fusing or breaking characteristics are determined based on the power consumption (rated current value) of the connected lamp device 2 . The in-vehicle device 1 functions as an electricity distribution box by distributing (relaying) the power output from the power supply device 4 to each lamp of the lamp device 2 .

The in-vehicle device 1 (lamp ECU) includes a control unit 11, a storage unit 12, a communication unit 13, and an input/output I/F 14. A switch 101 such as a lamp switch operated by an operator of the vehicle C is connected to the input/output I/F 14 via a communication line 5 so as to be communicable. Furthermore, the front lamp 21 and the rear lamp 22 included in the lamp device 2 are connected to the input/output I/F 14 via the communication line 5 so as to be able to communicate with each other.

The control unit 11 is configured by a CPU (Central Processing Unit) or MPU (Micro Processing Unit) or the like, and reads and executes programs and data stored in the storage unit 12 to perform control processing and the like.

The storage unit 12 is composed of a volatile memory element such as a RAM (Random Access Memory) or a non-volatile memory element such as a ROM (Read Only Memory), an EEPROM (Electrically Erasable Programmable ROM), or a flash memory. The storage unit 12 stores programs and data for executing the programs. These programs and the like may be stored programs and the like read from a recording medium readable by the in-vehicle device 1 . Alternatively, these programs may be downloaded from an external computer (not shown) connected to a communication network (not shown) and stored in the storage unit 12 .

The storage unit 12 stores programs for performing all control functions for all lamps included in the lamp device 2 . Therefore, the in-vehicle device 1 integrates all control functions for the lamp device 2, and the control functions include, for example, AHB (Active High Beam) control, ADB (adaptive driving beam) control, DRL (Daytime Running Lamps), ) control and ESS (Emergency Signal System) control. AHB control is a function of detecting the headlights of an oncoming vehicle and the rear lamps of a preceding vehicle C based on an image captured by a CMOS camera or the like, and performing control to switch the front lamp 21 from high beam to low beam. The ADB control is a function of controlling the light distribution according to the presence of oncoming vehicles and preceding vehicles, based on the light distribution mode in which the front lamp 21 is a high beam. The DRL control is a function of reducing the illuminance of the front lamp 21 in order to increase the visibility of the vehicle C (own vehicle) even during the day. The ESS control is a function that automatically flashes lights such as hazard lamps at high speed when a sudden brake is applied while the vehicle is running. In performing control based on the functions of these driving support systems, the in-vehicle ECU 3, based on sensor values or images output from a sensor, a CMOS camera, or the like, provides information on the behavior of the vehicle, such as sudden braking, or information on the behavior of an oncoming vehicle. Information related to the surrounding environment of the vehicle, such as presence or absence, is extracted, and based on the extracted information, lamp drive information is generated and output. A program stored in the storage unit 12 and executed by the control unit 11 includes a module group corresponding to all control functions for all lamps included in the lamp device 2 . Therefore, the function for controlling the lamp device 2 can be integrated into the vehicle-mounted device 1 (lamp ECU), and the lamp device 2 mounted on the vehicle C can be efficiently controlled.

The communication unit 13 is, for example, a CAN transceiver compatible with the CAN protocol, or an Ethernet PHY unit compatible with TCP/IP packets transmitted through the communication line 5 of an Ethernet cable. A communication line 5 such as a CAN bus or an Ethernet cable is connected to the communication unit 13 according to the protocol used for communication.

The input/output I/F 14 is a communication interface for directly connecting with the in-vehicle device 1 (own device) by serial communication, for example. The input/output I/F 14 is connected with a communication line 5 configured by a wire harness such as a serial cable, for example, and the control signal generated by the control unit 11 is transmitted to the lamp body via the input/output I/F 14 and the signal line. It is output to one of the lamps (front lamp 21, rear lamp 22) included in the device 2. FIG. Furthermore, one or more switches 101 (lamp switches) are connected to the input/output I/F 14 via a communication line 5 configured by a wire harness such as a serial cable. /F14, the signal output from the switch 101 is acquired. The input/output I/F 14 configured in this way corresponds to an input section to which a signal from the switch 101 directly connected to the in-vehicle device 1 (own device) is input.

In the present embodiment, the switch 101 is directly connected to the in-vehicle device 1 (lamp body ECU) via the input/output I/F 14, but the present invention is not limited to this. A switch 101 such as a lamp switch is directly connected to an in-vehicle ECU 3 such as a body ECU. It may be one that acquires a signal. In this case, the communication unit 13 corresponds to an input unit to which a signal is input from the switch 101 indirectly connected to the in-vehicle device 1 (own device).

The lamp device 2 includes a front lamp 21 and a rear lamp 22 . The front lighting bodies 21 are, for example, left and right front headlights and fog lamps provided in the front portion of the vehicle C. As shown in FIG. The rear lighting bodies 22 are left and right tail lamps provided at the rear portion of the vehicle C, for example.

The light sources of the front lamp 21 and the rear lamp 22 are, for example, halogen lamps, HID (High Intensity Discharge) lamps, or LED lamps. For example, when the light source of the front lighting body 21 is an LED lamp, the front lighting body 21 may include an LCM (Light Control Module) corresponding to the LED lamp.

It is assumed that the front lighting body 21 is configured with a halogen lamp as a light source or with an LED lamp as a light source, depending on the vehicle type or vehicle class. The program stored in the storage unit 12 includes modules corresponding to the function of controlling the driving of the front lamps 21 using halogen lamps as light sources and the function of controlling the driving of the front lamps 21 using LED lamps as the light sources. include. The module of the program executed by the control unit 11 is determined, for example, at the manufacturing stage of the vehicle C according to the light source type of the lamp device 2. drive can be controlled. As a result, the in-vehicle device 1 can be configured (standardized) as a standard component that can be applied to both halogen lamps and LED lamps.

The in-vehicle ECU 3 includes a control unit, a storage unit, a communication unit, and an input/output I/F, similar to the in-vehicle device 1 (lamp ECU). 5.

The sensor 31 is, for example, a brake sensor, an illuminance sensor, a CMOS camera, a LiDAR (Light Detection and Ranging), or the like, and sensor values or images output from these sensors 31 or the like are directly connected to the sensor 31. Acquired by the in-vehicle ECU 3 . The in-vehicle ECU 3 outputs the acquired sensor value or the like or data obtained by processing the sensor value or the like to another in-vehicle ECU 3 or the in-vehicle device 1 (light body ECU) via the communication line 5 . The vehicle load 32 is, for example, an actuator (ACT) such as a motor, and is controlled by the vehicle ECU 3 directly connected thereto.

The in-vehicle ECU 3 generates lamp driving information according to the behavior of the vehicle C or the surrounding environment of the vehicle C based on the acquired sensor values or images, and outputs the lamp driving information to the in-vehicle device 1 (lamp ECU). do. For example, the in-vehicle ECU 3 to which an illuminance sensor is connected determines whether it is day or night based on the output value (illuminance value outside the vehicle) output from the illuminance sensor. The body drive information is output to the in-vehicle device 1 (light body ECU). As described above, the functions of the driving support system such as AHB are mainly executed by the in-vehicle device 1 driving and controlling the lamp device 2 based on the lamp drive information output from the in-vehicle ECU 3 .

The power supply device 4 is an all-solid battery including a lead battery or an alternator, and applies (outputs) a DC voltage of 12 V, for example. Alternatively, the power supply device 4 may be a high voltage storage device such as a lithium ion battery connected via a DCDC converter that steps down the voltage to a predetermined voltage.

The indoor electric box 42 and the outdoor electric box 43 are junction boxes including housings and fuses housed in the housings. The fuse may be, for example, a semiconductor fuse composed of an FET or the like, or a melting fuse (mechanical fuse). The outdoor electric box 43 includes a fuse connected to the front lamp 21 . The indoor electrical box 42 includes a fuse connected to the rear light body 22 .

In the power supply line 41 routed from the power supply device 4 to the lighting device 2, in the order of the power supply device 4, the indoor electric box 42 or the outdoor electric box 43, the vehicle-mounted device 1, and the lighting device 2, these devices are: are placed. Therefore, the in-vehicle device 1 is provided on the downstream side in the current flow direction of the indoor electric box 42 or the outdoor electric box 43 having a fuse, and the power distributed by the in-vehicle device 1 is used by the lighting device. 2 (front lamp 21, rear lamp 22).

Even if the electric boxes having fuses corresponding to (connected to) the front lamps 21 and the rear lamps 22 included in the lamp device 2 are different, each electric box (indoor electric box 42 , the power lines 41 extending from the outdoor electric box 43) can be consolidated by connecting them to the in-vehicle device 1 (light body ECU). The power line 41 integrated in the vehicle-mounted device 1 is extended to each lamp (the front lamp 21 and the rear lamp 22) of the lamp device 2 via the vehicle-mounted device 1. Thus, the power line 41 in the vehicle can be rectified, and the power line 41 can be routed efficiently.

Although the front lamp 21 and the rear lamp 22 are connected to the in-vehicle device 1 by the communication line 5 and the power line 41 in the present embodiment, the present invention is not limited to this. The in-vehicle device 1 , the front lamp 21 and the rear lamp 22 may be connected by either the communication line 5 or the power line 41 . Alternatively, when the number of functions of the front lamps 21 is greater than the number of functions of the rear lamps 22, the front lamps 21 and the in-vehicle device 1 are connected by the communication line 5 and the power line 41, and the rear lamps 22 are connected. The in-vehicle device 1 may be connected with the communication line 5 or the power line 41 . When the rear lamp 22 and the in-vehicle device 1 are connected only by the power line 41, the in-vehicle device 1 controls opening/closing (on/off) of a relay or the like connected (provided) to the power line 41. Thus, the driving of the rear lighting body 22 may be controlled.

FIG. 3 is a flowchart illustrating processing of the control unit 11 of the in-vehicle device 1. As shown in FIG. The control unit 11 of the in-vehicle device 1 (light body ECU) steadily performs the following processing, for example, when the vehicle C is in an activated state (IG switch is ON) or in a stopped state (IG switch is OFF).

The control unit 11 of the in-vehicle device 1 aggregates the lamp drive information (S101). The control unit 11 always waits for signals output from the switch 101 via the input/output IF and information (messages) from the in-vehicle ECU 3 transmitted via the communication unit 13 (standby processing). ing. These signals and information (messages) constitute lamp body drive information, and when the lamp body drive information is output (transmitted), the control section 11 acquires all of the lamp body drive information. As a result, all lamp driving information output (transmitted) from the switch 101 and the in-vehicle ECU 3 is collected in the in-vehicle device 1 .

The control unit 11 of the in-vehicle device 1 identifies the lamp to be controlled based on the lamp driving information (S102). The control unit 11 identifies the lamps to be controlled (the front lamps 21 and the rear lamps 22) based on the signal pattern included in the lamp drive information or the data stored in the payload of the message.

The control unit 11 of the in-vehicle device 1 generates a control signal corresponding to the drive request for the specified lamp body (S103). A storage unit 12 of the in-vehicle device 1 stores a program for exerting a control function for all the lamps included in the lamp device 2 . Concentrated functionality. By referring to and executing a program stored in the storage unit 12, the control unit 11 responds to the drive request included in the lamp drive information output (transmitted) from the switch 101 or the in-vehicle ECU 3, for example, forward. A control signal for instructing lighting, extinguishing, blinking, or changing the illuminance of the lamp body 21 or the rear lamp body 22 is generated.

The control unit 11 of the in-vehicle device 1 outputs the generated control signal to the specified lamp body (S104). For example, the control unit 11 sends the generated control signal to the specified front lamp 21, rear lamp 22, or both lamps via the communication line 5 connected to the input/output I/F 14. Output. Upon receiving the control signal, the front lamp 21, the rear lamp 22, or both lamps turn on or off the light source composed of a halogen lamp, an LED lamp, or the like based on the control signal.

The embodiment according to the present disclosure is an example in all respects, and the program executed by the control unit (computer) of the in-vehicle device (light body ECU) is distributed on a single computer or over a plurality of computers and communicates. It may also be deployed to run on multiple computers interconnected by a network.

(Embodiment 2)
FIG. 4 is a schematic diagram illustrating a configuration of an in-vehicle system S including an in-vehicle device 1 (light body ECU) and the like according to Embodiment 2 (side lighting body 23). In this embodiment, the lamp device 2 further includes side lamps 23 and interior lamps 24 in addition to front lamps 21 and rear lamps 22 . The side lighting bodies 23 include, for example, winkers or hazard lights. The in-vehicle lamp 24 includes, for example, an illumination light or a room light. Fuses corresponding to (connected to) the side lamps 23 and the vehicle interior lamps 24 are housed in the indoor electric box 42, for example.

The in-vehicle device 1 (lamp ECU) is connected to the front lamp 21, the rear lamp 22, the side lamp 23 and the in-vehicle lamp 24 included in the lamp device 2 by the power supply line 41 as in the first embodiment. The electric power output from the power supply device 4 is distributed and supplied to the front lamp 21, the rear lamp 22, the side lamp 23, and the vehicle interior lamp 24. The in-vehicle device 1 (light body ECU) is connected to the front light body 21, the rear light body 22, and the side lights included in the light body device 2 via the input/output I/F 14 and the communication line 5 as in the first embodiment. It is connected so as to be able to communicate with the body 23 and the in-vehicle lighting body 24 . As a result, the front lamps 21, the rear lamps 22, the side lamps 23, and the in-vehicle lamps 24 included in the lamp device 2, centering on the vehicle-mounted device 1 (lamp ECU), can be A star-shaped network topology is formed that is connected to the in-vehicle device 1 (lamp ECU) via the communication line 5 and the power line 41 .

A program stored in the storage unit 12 of the in-vehicle device 1 (lamp ECU) and executed by the control unit 11 corresponds to all control functions for all lamps included in the lamp device 2, as in the first embodiment. It contains a group of modules that Therefore, the in-vehicle device 1 centralizes the control of the lamps 2 including the front lamp 21, the rear lamp 22, the side lamps 23 and the in-vehicle lamp 24, and controls each lamp included in the lamps 2. Comprehensive control is possible.

In this embodiment, the front lamp 21, the rear lamp 22, the side lamp 23, and the in-vehicle lamp 24 are connected to the in-vehicle device 1 by the communication line 5 and the power line 41, but the present invention is limited to this. not. The in-vehicle device 1 , the front lamp 21 , the rear lamp 22 , the side lamps 23 and the in-vehicle lamp 24 may be connected by either the communication line 5 or the power line 41 . Among the front lamps 21, the rear lamps 22, the side lamps 23, and the interior lamps 24 included in the lamp device 2, if the front lamps 21 have the largest number of functions, the front lamps 21 and the in-vehicle device 1 are combined. are connected by the communication line 5 and the power line 41, and the rear lamp 22, the side lamp 23 and the interior lamp 24, which have fewer functions than the front lamp 21, are connected to the vehicle by the communication line 5 or the power line 41. It may be connected to the device 1 . When the rear lamp 22, the side lamp 23, or the vehicle interior lamp 24 is connected to the in-vehicle device 1 only through the power line 41, the in-vehicle device 1 has a relay or the like connected (provided) to the power line 41. The driving of the rear lamp 22, the side lamp 23, or the interior lamp 24 may be controlled by controlling the opening/closing (on/off) of the lamp.

The embodiments disclosed this time are illustrative in all respects and should be considered not restrictive. The scope of the present disclosure is indicated by the scope of the claims rather than the meaning described above, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

C Vehicle S In-vehicle system 1 In-vehicle device (lamp body ECU)
11 control unit 12 storage unit 13 communication unit 14 input/output I/F (input unit)
101 switch 2 lamp device 21 front lamp 22 rear lamp 23 side lamp 24 in-vehicle lamp 3 in-vehicle ECU
31 sensor 32 vehicle load 4 power supply device 41 power line 42 indoor electric box 43 outdoor electric box 5 communication line

Claims (9)

An in-vehicle device communicably connected to a lighting device including a front lighting body and a rear lighting body mounted on a vehicle,
a communication unit for communicating with an in-vehicle ECU mounted on the vehicle;
an input unit into which a signal from a switch connected to the device itself is input;
a control unit that controls driving of the lamp device,
The control unit
Aggregating lamp drive information related to a drive request for the lamp device via the communication unit or the input unit;
An in-vehicle device that individually controls driving of the front lamps and the rear lamps included in the lamp device based on the aggregated lamp drive information. 2. The lamp drive information according to claim 1, including information output by a switch based on an operation of an operator of the vehicle and information output by the in-vehicle ECU based on the behavior of the vehicle or the surrounding environment of the vehicle. in-vehicle equipment. The information output by the in-vehicle ECU includes information on AHB (Active High Beam) control, information on ADB (adaptive driving beam) control, information on DRL (Daytime Running Lamps) control, and information on ESS (Emergency Signal System) control. The in-vehicle device according to claim 2, comprising at least one of information. The control unit
specifying one of the lamps included in the lamp device as a lamp to be controlled based on the aggregated lamp drive information;
generating a control signal corresponding to a drive request for the specified lighting body;
The in-vehicle device according to any one of claims 1 to 3, wherein the generated control signal is output to the specified lighting body. The light source of the front lamp includes either a halogen lamp or an LED lamp,
The in-vehicle device according to any one of claims 1 to 4, wherein the control unit controls driving of the front lamp according to the type of the light source. connected to a power supply device mounted on the vehicle;
The in-vehicle device according to any one of claims 1 to 5, wherein electric power output from the power supply device is distributed to the front lamp and the rear lamp. The lamp device includes a side lamp,
7. The in-vehicle device according to claim 6, wherein electric power output from said power supply device is distributed to said front lamps, said rear lamps and said side lamps. A computer communicably connected to a lighting device including a front lighting body and a rear lighting body mounted on a vehicle,
Through a communication unit for communicating with an in-vehicle ECU mounted in the vehicle or an input unit for receiving a signal from a switch connected to the own computer, lamp drive information related to a drive request for the lamp device is transmitted. aggregate,
A program for executing a process of individually controlling the drive of the front lamps and the rear lamps included in the lamp device based on the aggregated lamp drive information. A computer communicably connected to a lighting device including a front lighting body and a rear lighting body mounted on a vehicle,
Through a communication unit for communicating with an in-vehicle ECU mounted in the vehicle or an input unit for receiving a signal from a switch connected to the own computer, lamp drive information related to a drive request for the lamp device is transmitted. aggregate,
An information processing method for executing a process of individually controlling driving of the front lamps and the rear lamps included in the lamp device based on the aggregated lamp drive information.

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