WO2022153862A1 - In-vehicle device - Google Patents

In-vehicle device Download PDF

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Publication number
WO2022153862A1
WO2022153862A1 PCT/JP2021/048671 JP2021048671W WO2022153862A1 WO 2022153862 A1 WO2022153862 A1 WO 2022153862A1 JP 2021048671 W JP2021048671 W JP 2021048671W WO 2022153862 A1 WO2022153862 A1 WO 2022153862A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
lamp body
lamp
power supply
light
Prior art date
Application number
PCT/JP2021/048671
Other languages
French (fr)
Japanese (ja)
Inventor
博光 池田
真二 青山
Original Assignee
住友電装株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2022153862A1 publication Critical patent/WO2022153862A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B60Q1/38—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction using immovably-mounted light sources, e.g. fixed flashing lamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters

Definitions

  • the present disclosure relates to an in-vehicle device.
  • This application claims priority based on Japanese Application No. 2021-005147 filed on January 15, 2021, and incorporates all the contents described in the Japanese application.
  • the vehicle is equipped with, for example, a body ECU which is an in-vehicle ECU that controls body-related devices such as a wiper drive device, lighting devices inside and outside the vehicle, a door lock device, and a power window (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.
  • the in-vehicle device is an in-vehicle device mounted on a vehicle and controlling the drive of a lamp body including a front light body and a rear light body, and is connected to a power supply device mounted on the vehicle.
  • the front lamp body is connected by a communication line and a power supply line for distributing the power output from the power supply device
  • the rear lamp body is connected by the communication line or the power supply line.
  • FIG. 1 It is a schematic diagram which illustrates the structure of the vehicle-mounted system including the vehicle-mounted device (lamp ECU) according to the first embodiment. It is a block diagram which illustrates the internal structure of an in-vehicle device. It is a flowchart which illustrates the process of the control part of an in-vehicle device. It is a schematic diagram which illustrates the structure of the vehicle-mounted system including the vehicle-mounted device (light body ECU) and the like according to the second embodiment (side lamp body).
  • the drive device of Patent Document 1 has a problem that cables and the like related to communication and power supply to the light body device mounted on the vehicle are integrated, and consideration is not given to efficient arrangement for the light body device.
  • An object of the present disclosure is to provide an in-vehicle device capable of efficiently arranging a lamp body device mounted on a vehicle.
  • the in-vehicle device is an in-vehicle device mounted on a vehicle and controlling the drive of a lamp device including a front lamp body and a rear lamp body, and is a power supply device mounted on the vehicle. Is connected to the front lamp body by a communication line and a power supply line for distributing the electric power output from the power supply device, and is connected to the rear lamp body by the communication line or the power supply line. Will be done.
  • the in-vehicle device and all the lamp bodies included in the lamp body device are connected by a communication line or a power supply line. That is, the in-vehicle device once aggregates the communication lines or the power supply lines connected to each of the lamp bodies included in the lamp body device.
  • the wiring (communication line or power line) integrated by the in-vehicle device is arranged (extended) from the in-vehicle device to the front lamp body and the rear lamp body included in the lamp body device. Therefore, when arranging the communication line and the power supply line for the lamp body device mounted on the vehicle, these wirings can be integrated into the in-vehicle device and rectified, and the arrangement can be efficiently performed.
  • the in-vehicle device and the front lamp body and the rear lamp body may be connected by both a communication line and a power supply line.
  • the in-vehicle device is centered on the own device by connecting the own device, the front lamp body, and the rear lamp body by the communication line or the power supply line.
  • a star-shaped network topology is formed.
  • the vehicle-mounted device and the front lamp body and the rear lamp body included in the lamp body device are connected by a communication line or a power supply device to form a star-shaped network topology centered on the vehicle-mounted device.
  • the lamp body device includes a side lamp body, and the front lamp body, the rear lamp body, and the side lamp body included in the lamp body device are each included. And the power output from the power supply device is distributed to the front lamp body, the rear lamp body, and the lamp body connected by the power supply line in the side lamp body. do.
  • the lamp body device further includes a side lamp body in addition to the front lamp body and the rear lamp body.
  • the in-vehicle device is a front light body, a rear light body, and a side light included in the light body device based on the aggregated light body drive information for the light body device including the front light body, the rear light body, and the side light body. Since the drive of the body is individually controlled and the electric power is distributed (relayed) to these lamps, it is possible to comprehensively control the lamp device mounted on the vehicle.
  • the light body device includes an in-vehicle light body such as an illumination light or a room light
  • the in-vehicle device includes a front light body, a rear light body, and a side light. It may be a device that comprehensively controls a lighting device including a body and an in-vehicle lighting body.
  • the in-vehicle device is connected to the power supply device via an indoor electric box or an outdoor electric box, and is connected to either the indoor electric box or the outdoor electric box.
  • a fuse whose characteristics are determined according to the lamp device connected via the electric box is provided.
  • each electric box (indoor electricity)
  • the power lines extending from the box can be integrated by connecting to the in-vehicle device.
  • the indoor electric box is, for example, an electric box placed in a floor area or an instrument panel area below the floor panel of a vehicle.
  • the outdoor electric box is, for example, an electric box placed in the engine room area of a vehicle.
  • the in-vehicle device includes a communication unit for communicating with an in-vehicle ECU mounted on the vehicle, an input unit for inputting a signal from a switch connected to the own device, and the above-mentioned.
  • the control unit includes a control unit that controls the drive of the lamp body device, and the control unit collects lamp body drive information regarding a drive request of the lamp body device via the communication unit or the input unit.
  • the control unit of the in-vehicle device relates to a drive request of the lamp body device via, for example, a communication unit corresponding to CAN or Ethernet (registered trademark) or an input unit composed of an input / output I / F (interface).
  • the lamp drive information is aggregated.
  • the control unit of the in-vehicle device individually controls the drive of the front lamp body and the rear lamp body included in the lamp body device based on the aggregated lamp body drive information. That is, the in-vehicle device has a collection of functions for controlling all the lamp bodies included in the lamp body device, such as the front lamp body and the rear lamp body, and the vehicle-mounted device is a lamp that controls the lamp body device.
  • FIG. 1 is a schematic view 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 vehicle-mounted device 1.
  • the vehicle-mounted system S includes a lamp body device 2 and an vehicle-mounted device 1 that controls the drive of the lamp body device 2, and the lamp body device 2 and the vehicle-mounted device 1 are connected by a power line and a communication line 5.
  • the in-vehicle device 1 relates to a switch 101 (lamp switch) for turning on or off the lamp body device 2, and lamp body drive information (related to a drive request of the lamp body device 2) based on the behavior of the vehicle C or the surrounding environment of the vehicle C. It is communicably connected to the vehicle-mounted ECU 3 that outputs information).
  • Various functions for comprehensively controlling the lamp body device 2 are integrated and mounted on the in-vehicle device 1, and the in-vehicle device 1 outputs a signal output from the switch 101 and an output from the in-vehicle ECU 3. All lamp drive information consisting of information (messages) is acquired and aggregated.
  • the in-vehicle device 1 functions as a lamp ECU that individually controls the drive of all lamps included in the lamp device 2, such as the front lamp 21 and the rear lamp 22, based on the aggregated lamp drive information (equivalent). )do.
  • the in-vehicle device 1 is connected to the power supply device 4 by a power supply line 41 via an indoor electric box 42 and an outdoor electric box 43.
  • the indoor electric box 42 and the outdoor electric box 43 include fuses (semiconductor fuses, molten 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 electric distribution box by distributing (relaying) the electric power output from the power supply device 4 to each lamp body of the lamp body device 2.
  • the in-vehicle device 1 (light 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 the operator of the vehicle C is connected to the input / output I / F 14 so as to be able to communicate with the communication line 5.
  • the front lamp body 21 and the rear lamp body 22 included in the lamp body device 2 are communicably connected to the input / output I / F 14 by the communication line 5.
  • the control unit 11 is composed of a CPU (Central Processing Unit), an 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.
  • CPU Central Processing Unit
  • MPU Micro Processing Unit
  • the storage unit 12 is composed of a volatile memory element such as a RAM (RandomAccessMemory) or a non-volatile memory element such as a ROM (ReadOnlyMemory), an EEPROM (Electrically ErasableProgrammableROM) or a flash memory.
  • the storage unit 12 stores the program and data for executing the program.
  • These programs and the like may store programs and the like read from a recording medium that can be read by the in-vehicle device 1. Further, these programs or the like 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 a program for exerting all control functions for all the lamps included in the lamp device 2. Therefore, all the control functions for the lamp body device 2 are integrated in the in-vehicle device 1, and the control functions include, for example, AHB (Active High Beam) control, ADB (adaptive driving beam) control, and DRL (Daytime Running Lamps). ) Control and ESS (Emergency Signal System) control are included.
  • the AHB control is a function that detects the headlights of an oncoming vehicle and the rear lamp of the preceding vehicle C based on an image captured by a COMS camera or the like, and controls the front lamp body 21 to switch from a high beam to a low beam.
  • the ADB control is a function of controlling the light distribution according to the presence status of an oncoming vehicle or a preceding vehicle based on a light distribution mode in which the front lamp body 21 is a high beam.
  • the DRL control is a function of reducing the illuminance of the front lamp body 21 in order to improve the visibility of the vehicle C (own vehicle) even during the daytime.
  • the ESS control is a function that automatically blinks a lamp such as a hazard lamp at high speed when a sudden brake is applied during traveling.
  • the in-vehicle ECU 3 In performing control based on the functions of these driving support systems, the in-vehicle ECU 3 provides information on the behavior of the vehicle such as sudden braking or information on the oncoming vehicle based on the sensor value or image output from the sensor or the COMS camera or the like. Information on the surrounding environment of the vehicle such as presence / absence is extracted, and lamp drive information is generated and output based on the extracted information.
  • the 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 the lamp bodies included in the lamp body device 2. Therefore, the functions for controlling the lamp body device 2 can be integrated into the vehicle-mounted device 1 (lamp body ECU), and the lamp body device 2 mounted on the vehicle C can be efficiently controlled.
  • the communication unit 13 is, for example, a CAN transceiver corresponding to the CAN protocol or an Ethernet PHY unit corresponding to a TCP / IP packet transmitted on the communication line 5 by 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 to the in-vehicle device 1 (own device) by, for example, serial communication.
  • a communication line 5 composed of a wire harness such as a serial cable is connected to the input / output I / F 14, and the control signal generated by the control unit 11 is transmitted to the input / output I / F 14 via the input / output I / F 14 and the signal line. It is output to any of the lamp bodies (front lamp body 21, rear lamp body 22) included in the device 2.
  • one or more switches 101 are connected to the input / output I / F 14 by a communication line 5 composed of a wire harness such as a serial cable, and the control unit 11 is connected to the input / output I / O I / O.
  • the signal output from the switch 101 is acquired via / F14.
  • the input / output I / F 14 configured in this way corresponds to an input unit into which a signal from the switch 101 directly connected to the vehicle-mounted device 1 (own device) is input.
  • the switch 101 is directly connected to the in-vehicle device 1 (lamp ECU) via the input / output I / F 14, but the present invention is not limited to this.
  • the switch 101 such as a lamp switch is directly connected to, for example, an in-vehicle ECU 3 such as a body ECU, and the in-vehicle device 1 (lamp ECU) is output from the switch 101 (lamp switch) via the body ECU. It may be the one that acquires a signal.
  • the communication unit 13 corresponds to an input unit into which a signal from the switch 101 indirectly connected to the in-vehicle device 1 (own device) is input.
  • the lamp body device 2 includes a front lamp body 21 and a rear lamp body 22.
  • the front light body 21 is, for example, left and right front headlights and fog lamps provided in the front portion of the vehicle C.
  • the rear lamp body 22 is, for example, left and right tail lamps provided at the rear portion of the vehicle C.
  • the light source of the front lamp body 21 and the rear lamp body 22 is composed of, for example, a halogen lamp, a HID (High Intensity Discharge) lamp, or an LED lamp.
  • a halogen lamp for example, a mercury-dode, a mercury-dode, or a mercury-dode.
  • HID High Intensity Discharge
  • LED lamp for example, when the light source of the front lamp body 21 is an LED lamp, the front lamp body 21 may include an LCM (Light Control Module) corresponding to the LED lamp.
  • LCM Light Control Module
  • the front lamp body 21 is configured with a halogen lamp as a light source or an LED lamp as a light source, depending on the vehicle type or vehicle class.
  • the program stored in the storage unit 12 has a module corresponding to a function of driving and controlling the front lamp body 21 using a halogen lamp as a light source and a function of performing a drive control of the front lamp body 21 using an LED lamp as a light source. 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 light source device 2, and the control unit 11 determines the front lamp body 21 according to the type of the light source. Drive can be controlled.
  • the in-vehicle device 1 can be configured as a standard component (standard component) that can be applied to any light source of the halogen lamp and the LED lamp.
  • the in-vehicle ECU 3 includes a control unit, a storage unit, a communication unit, and an input / output I / F as in the in-vehicle device 1 (lamp ECU), and the sensor 31 or the in-vehicle load 32 is a communication line in the input / output I / F. It is connected by 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.
  • the in-vehicle ECU 3 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 (lamp ECU) via the communication line 5.
  • the in-vehicle load 32 is, for example, an actuator (ACT) such as a motor, and is controlled by an in-vehicle ECU 3 directly connected to itself.
  • ACT actuator
  • the in-vehicle ECU 3 generates lamp drive information according to the behavior of the vehicle C or the surrounding environment of the vehicle C based on the acquired sensor value or image, and outputs the lamp drive information to the in-vehicle device 1 (lamp ECU). do.
  • the in-vehicle ECU 3 to which the illuminance sensor is connected determines day and night based on the output value (illuminance value outside the vehicle) output from the illuminance sensor, and if it is nighttime, the light that requests the front lamp body 21 to be turned on.
  • the body drive information is output to the in-vehicle device 1 (lamp ECU).
  • the functions of the driving support system such as the AHB are mainly executed by the vehicle-mounted device 1 driving and controlling the lamp body device 2 based on the lamp body driving information output from the vehicle-mounted ECU 3.
  • the power supply device 4 is an all-solid-state battery or an alternator including a lead battery, and applies (outputs), for example, a DC voltage of 12 V.
  • the power supply device 4 may be a high-voltage power storage device such as a lithium ion battery connected via a DCDC converter that steps down to a predetermined voltage.
  • the indoor electric box 42 and the outdoor electric box 43 are a junction box including a housing and a fuse housed in the housing.
  • the fuse may be, for example, a semiconductor fuse composed of FETs or the like, or a molten fuse (mechanical fuse).
  • the outdoor electric box 43 includes a fuse connected to the front lamp body 21.
  • the indoor electric box 42 includes a fuse connected to the rear lamp body 22.
  • the indoor electric box 42 is, for example, an electric box placed in a floor area or an instrument panel area below the floor panel of the vehicle C.
  • the outdoor electric box 43 is, for example, an electric box placed in the engine room area of the vehicle C.
  • the in-vehicle device 1 is provided downstream of the indoor electric box 42 or the outdoor electric box 43 provided with the fuse in the current flow direction, and the electric power distributed by the in-vehicle device 1 is used as the lamp body device. It is supplied to each lamp body (front lamp body 21, rear lamp body 22) in 2.
  • each electric box (indoor electric box 42).
  • the power supply line 41 extending from the outdoor electric box 43) can be integrated by connecting to the in-vehicle device 1 (lamp ECU).
  • the power supply line 41 integrated in the in-vehicle device 1 is extended to each of the lamp bodies (front lamp body 21 and rear lamp body 22) in the lamp body device 2 via the vehicle-mounted device 1. This makes it possible to rectify the power supply line 41 in the vehicle and efficiently arrange the power supply line 41.
  • the front lamp body 21 and the rear lamp body 22 are connected to the in-vehicle device 1 by the communication line 5 and the power supply line 41, but the present invention is not limited to this.
  • the in-vehicle device 1 and the front light body 21 and the rear light body 22 may be connected by either the communication line 5 or the power supply line 41.
  • the front light body 21 and the in-vehicle device 1 are connected by the communication line 5 and the power supply line 41, and are connected to the rear light body 22.
  • the in-vehicle device 1 may be connected by a communication line 5 or a power supply line 41.
  • the vehicle-mounted device 1 controls opening / closing (on / off) of a relay or the like connected (provided) to the power supply line 41. This may control the drive of the rear lamp body 22.
  • FIG. 3 is a flowchart illustrating the processing of the control unit 11 of the in-vehicle device 1.
  • the control unit 11 of the in-vehicle device 1 (light ECU) constantly performs the following processing in a start state (IG switch is on) or a stop state (IG switch is off) of the vehicle C, for example.
  • the control unit 11 of the in-vehicle device 1 aggregates the lamp body drive information (S101).
  • the control unit 11 constantly continues the process (standby process) of waiting for the signal output from the switch 101 via the input / output IF and the information (message) from the vehicle-mounted ECU 3 transmitted via the communication unit 13. ing.
  • These signals and information (messages) constitute the lamp drive information, and the control unit 11 acquires all the lamp drive information when the lamp drive information is output (transmitted).
  • all the lamp drive information output (transmitted) from the switch 101 and the vehicle-mounted ECU 3 is collected in the vehicle-mounted device 1.
  • the control unit 11 of the in-vehicle device 1 identifies the lamp body to be controlled based on the lamp body drive information (S102).
  • the control unit 11 identifies the lamp body (front lamp body 21, rear lamp body 22) to be controlled based on the signal pattern included in the lamp body 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 in response to a drive request to the specified lamp body (S103).
  • the storage unit 12 of the vehicle-mounted device 1 stores a program for exerting a control function for all the lamp bodies included in the lamp body device 2, and the vehicle-mounted device 1 stores all the controls for the lamp body device 2. Functions are aggregated.
  • the control unit 11 responds to a drive request included in the lamp drive information output (transmitted) from the switch 101 or the vehicle-mounted ECU 3, for example, forward.
  • a control signal for instructing lighting, extinguishing, blinking, changing the illuminance, etc. 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).
  • the control unit 11 is attached to the front lamp body 21, the rear lamp body 22, or both lamp bodies, which are the lamp bodies that specify the generated control signal, for example, via the communication line 5 connected to the input / output I / F14. Output.
  • the front lamp body 21, the rear lamp body 22, or both lamp bodies that have received the control signal turn on or off a light source composed of a halogen lamp, an LED lamp, or the like based on the control signal.
  • the embodiments according to the present disclosure are exemplified in all respects, and a program executed by a control unit (computer) of an in-vehicle device (light ECU) is distributed and communicates on a single computer or across a plurality of computers. It may be deployed to run on multiple computers interconnected by a network.
  • FIG. 4 is a schematic view illustrating the configuration of the vehicle-mounted system S including the vehicle-mounted device 1 (light body ECU) and the like according to the second embodiment (side lamp body 23).
  • the lamp body device 2 further includes a side lamp body 23 and an in-vehicle lamp body 24 in addition to the front lamp body 21 and the rear lamp body 22.
  • the side lamp body 23 includes, for example, a winker or a hazard light.
  • the vehicle interior light body 24 includes, for example, an illumination light, a room light, and the like.
  • the fuses corresponding to (connected to) the side lamp body 23 and the vehicle interior lamp body 24 are housed in, for example, the indoor electric box 42.
  • the in-vehicle device 1 (lamp ECU) is connected to the front lamp 21, the rear lamp 22, the side lamp 23, and the vehicle interior lamp 24 included in the lamp device 2 by the power supply line 41 as in the first embodiment.
  • the power output from the power supply device 4 is distributed and supplied to the front lamp body 21, the rear lamp body 22, the side lamp body 23, and the vehicle interior lamp body 24.
  • the in-vehicle device 1 (light ECU) has 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. It is communicatively connected to the body 23 and the vehicle interior light body 24.
  • each of the front lamp body 21, the rear lamp body 22, the side lamp body 23, and the vehicle interior lamp body 24 included in the lamp body device 2 centering on the in-vehicle device 1 (lamp body ECU) is concerned.
  • a star-shaped network topology is formed in which the in-vehicle device 1 (lamp ECU) is connected by the communication line 5 and the power supply line 41.
  • the 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 the control functions for all the lamps included in the lamp device 2 as in the first embodiment. Includes a group of modules. Therefore, the in-vehicle device 1 controls the control of the lamp body device 2 including the front lamp body 21, the rear lamp body 22, the side lamp body 23, and the vehicle interior lamp body 24, and controls each lamp body included in the lamp body device 2. It can be controlled comprehensively.
  • the front light body 21, the rear light body 22, the side light body 23, and the vehicle interior light body 24 are connected to the in-vehicle device 1 by the communication line 5 and the power supply line 41, but the present invention is limited to this. Not done.
  • the in-vehicle device 1 and the front light body 21, the rear light body 22, the side light body 23, and the vehicle interior light body 24 may be connected by either the communication line 5 or the power supply line 41.
  • the front light body 21 the rear light body 22, the side light body 23, and the vehicle interior light body 24 included in the light body device 2
  • the front light body 21 and the in-vehicle device 1 The rear light body 22, the side light body 23, and the in-vehicle light body 24, which are connected by the communication line 5 and the power supply line 41 and have fewer functions than the front light body 21, are mounted on the vehicle by the communication line 5 or the power supply line 41. It may be connected to the device 1.
  • the in-vehicle device 1 When the rear light body 22, the side light body 23, or the vehicle interior light body 24 is connected to the in-vehicle device 1 only by the power supply line 41, the in-vehicle device 1 is connected (provided) to the power supply line 41 or the like.
  • the opening / closing (on / off) of, the drive of the rear lamp body 22, the side lamp body 23, or the vehicle interior lamp body 24 may be controlled.
  • In-vehicle system 1 In-vehicle device (light ECU) 11 Control unit 12 Storage unit 13 Communication unit 14 Input / output I / F (input unit) 101 Switch 2 Light body device 21 Front light body 22 Rear light body 23 Side light body 24 In-vehicle light body 3 In-vehicle ECU 31 Sensor 32 In-vehicle load 4 Power supply unit 41 Power supply line 42 Indoor electric box 43 Outdoor electric box 5 Communication line

Abstract

Provided is an in-vehicle device which is mounted to a vehicle and controls drive of a lighting body device including front lighting bodies and rear lighting bodies. This in-vehicle device is connected to a power supply device mounted to the vehicle, is connected to the front lighting bodies via power supply lines for distributing power output from the power supply device and communication lines, and is connected to the rear lighting bodies via the power supply lines or the communication lines.

Description

車載装置In-vehicle equipment
　本開示は、車載装置に関する。
　本出願は、２０２１年１月１５日出願の日本出願第２０２１－００５１４７号に基づく優先権を主張し、前記日本出願に記載された全ての記載内容を援用するものである。 The present disclosure relates to an in-vehicle device.
This application claims priority based on Japanese Application No. 2021-005147 filed on January 15, 2021, and incorporates all the contents described in the Japanese application.
　車両には、例えば、ワイパー駆動装置、車両の内外の灯火装置、ドアロック装置、パワーウインドウ等のボディ系の装置の制御を行う車載ＥＣＵであるボディＥＣＵが搭載されている（例えば特許文献１）。特許文献１のワイパー駆動装置は、車載ＥＣＵを含み、車載ＥＣＵに適用されている制御プログラムにより駆動される。 The vehicle is equipped with, for example, a body ECU which is an in-vehicle ECU that controls body-related devices such as a wiper drive device, lighting devices inside and outside the vehicle, a door lock device, and a power window (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.
特開２０１７－２２４９２６号公報JP-A-2017-224926
　本開示の一態様に係る車載装置は、車両に搭載され、前方灯体及び後方灯体を含む灯体装置の駆動を制御する車載装置であって、前記車両に搭載される電源装置と接続され、前記前方灯体とは、通信線及び、前記電源装置から出力された電力を分配するための電源線により接続され、前記後方灯体とは、前記通信線又は前記電源線により接続される。 The in-vehicle device according to one aspect of the present disclosure is an in-vehicle device mounted on a vehicle and controlling the drive of a lamp body including a front light body and a rear light body, and is connected to a power supply device mounted on the vehicle. The front lamp body is connected by a communication line and a power supply line for distributing the power output from the power supply device, and the rear lamp body is connected by the communication line or the power supply line.
実施形態１に係る車載装置（灯体ＥＣＵ）等を含む車載システムの構成を例示する模式図である。It is a schematic diagram which illustrates the structure of the vehicle-mounted system including the vehicle-mounted device (lamp ECU) according to the first embodiment. 車載装置の内部構成を例示するブロック図である。It is a block diagram which illustrates the internal structure of an in-vehicle device. 車載装置の制御部の処理を例示するフローチャートである。It is a flowchart which illustrates the process of the control part of an in-vehicle device. 実施形態２（側方灯体）に係る車載装置（灯体ＥＣＵ）等を含む車載システムの構成を例示する模式図である。It is a schematic diagram which illustrates the structure of the vehicle-mounted system including the vehicle-mounted device (light body ECU) and the like according to the second embodiment (side lamp body).
［本開示が解決しようとする課題］
　特許文献１の駆動装置においては、車両に搭載される灯体装置に対する通信及び電源に関するケーブル等を集約し、当該灯体装置に対する効率的な配策に関する考慮がされていないという問題点がある。 [Issues to be solved by this disclosure]
The drive device of Patent Document 1 has a problem that cables and the like related to communication and power supply to the light body device mounted on the vehicle are integrated, and consideration is not given to efficient arrangement for the light body device.
　本開示は、車両に搭載される灯体装置に対する効率的な配策を行うことができる車載装置を提供することを目的とする。 An object of the present disclosure is to provide an in-vehicle device capable of efficiently arranging a lamp body device mounted on a vehicle.
［本開示の効果］
　本開示の一態様によれば、車両に搭載される灯体装置に対する効率的な配策を行う車載装置を提供することができる。 [Effect of the present disclosure]
According to one aspect of the present disclosure, it is possible to provide an in-vehicle device that efficiently arranges a lamp body device mounted on a vehicle.
［本開示の実施形態の説明］
　最初に本開示の実施態様を列挙して説明する。また、以下に記載する実施形態の少なくとも一部を任意に組み合わせてもよい。 [Explanation of Embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described. In addition, at least a part of the embodiments described below may be arbitrarily combined.
（１）本開示の一態様に係る車載装置は、車両に搭載され、前方灯体及び後方灯体を含む灯体装置の駆動を制御する車載装置であって、前記車両に搭載される電源装置と接続され、前記前方灯体とは、通信線及び、前記電源装置から出力された電力を分配するための電源線により接続され、前記後方灯体とは、前記通信線又は前記電源線により接続される。 (1) The in-vehicle device according to one aspect of the present disclosure is an in-vehicle device mounted on a vehicle and controlling the drive of a lamp device including a front lamp body and a rear lamp body, and is a power supply device mounted on the vehicle. Is connected to the front lamp body by a communication line and a power supply line for distributing the electric power output from the power supply device, and is connected to the rear lamp body by the communication line or the power supply line. Will be done.
　本態様にあたっては、車載装置と、前方灯体及び後方灯体等、灯体装置に含まれる全ての灯体とは、通信線又は電源線により接続されている。すなわち、車載装置は、灯体装置に含まれる灯体それぞれに接続される通信線又は電源線を一端集約する。車載装置によって集約された配線（通信線又は電源線）は、当該車載装置から、灯体装置に含まれる前方灯体及び後方灯体に配策（延設）される。従って、車両に搭載される灯体装置に対し通信線及び電源線を配策するにあたり、これら配線を車載装置に集約して整流化でき、当該配策を効率的に行うことができる。車載装置と、前方灯体及び後方灯体とは、通信線及び電源線の双方により接続されているものであってもよい。 In this embodiment, the in-vehicle device and all the lamp bodies included in the lamp body device such as the front lamp body and the rear lamp body are connected by a communication line or a power supply line. That is, the in-vehicle device once aggregates the communication lines or the power supply lines connected to each of the lamp bodies included in the lamp body device. The wiring (communication line or power line) integrated by the in-vehicle device is arranged (extended) from the in-vehicle device to the front lamp body and the rear lamp body included in the lamp body device. Therefore, when arranging the communication line and the power supply line for the lamp body device mounted on the vehicle, these wirings can be integrated into the in-vehicle device and rectified, and the arrangement can be efficiently performed. The in-vehicle device and the front lamp body and the rear lamp body may be connected by both a communication line and a power supply line.
（２）本開示の一態様に係る車載装置は、自装置と、前記前方灯体及び前記後方灯体とを、前記通信線又は前記電源線にて接続することにより、自装置を中心としたスター形状のネットワークトポロジーが形成される。 (2) The in-vehicle device according to one aspect of the present disclosure is centered on the own device by connecting the own device, the front lamp body, and the rear lamp body by the communication line or the power supply line. A star-shaped network topology is formed.
　本態様にあたっては、車載装置と、灯体装置に含まれる前方灯体及び後方灯体とを、通信線又は電源装置にて接続することにより、車載装置を中心としたスター形状のネットワークトポロジーを形成することにより、灯体装置に対する効率的な配策を行うことができる。 In this embodiment, the vehicle-mounted device and the front lamp body and the rear lamp body included in the lamp body device are connected by a communication line or a power supply device to form a star-shaped network topology centered on the vehicle-mounted device. By doing so, it is possible to carry out an efficient arrangement for the lamp body device.
（３）本開示の一態様に係る車載装置は、前記灯体装置は、側方灯体を含み、前記灯体装置に含まれる前記前方灯体、前記後方灯体及び前記側方灯体それぞれと前記通信線又は前記電源線により接続され、前記電源装置から出力された電力を、前記前方灯体、前記後方灯体及び前記側方灯体における前記電源線にて接続される灯体に分配する。 (3) In the in-vehicle device according to one aspect of the present disclosure, the lamp body device includes a side lamp body, and the front lamp body, the rear lamp body, and the side lamp body included in the lamp body device are each included. And the power output from the power supply device is distributed to the front lamp body, the rear lamp body, and the lamp body connected by the power supply line in the side lamp body. do.
　本態様にあたっては、灯体装置は、前方灯体及び後方灯体に加え、更に側方灯体を含む。車載装置は、前方灯体、後方灯体及び側方灯体を含む灯体装置に対し、集約した灯体駆動情報に基づき、灯体装置に含まれる前方灯体、後方灯体及び側方灯体の駆動を個別に制御すると共に、これら灯体に対し電力を分配（中継）するため、車両に搭載される灯体装置を総合的な制御することができる。灯体装置は、前方灯体、後方灯体及び側方灯体に加え、例えば、イルミネーションライト又はルームライト等の車内灯体を含み、車載装置は、前方灯体、後方灯体、側方灯体及び車内灯体を含む灯体装置を総合的に制御するものであってもよい。 In this aspect, the lamp body device further includes a side lamp body in addition to the front lamp body and the rear lamp body. The in-vehicle device is a front light body, a rear light body, and a side light included in the light body device based on the aggregated light body drive information for the light body device including the front light body, the rear light body, and the side light body. Since the drive of the body is individually controlled and the electric power is distributed (relayed) to these lamps, it is possible to comprehensively control the lamp device mounted on the vehicle. In addition to the front light body, the rear light body, and the side light body, the light body device includes an in-vehicle light body such as an illumination light or a room light, and the in-vehicle device includes a front light body, a rear light body, and a side light. It may be a device that comprehensively controls a lighting device including a body and an in-vehicle lighting body.
（４）本開示の一態様に係る車載装置は、前記電源装置とは、室内電気箱又は室外電気箱を介して接続され、前記室内電気箱又は前記室外電気箱のいずれかの電気箱には、該電気箱を介して接続される前記灯体装置に応じて特性が決定されるヒューズが設けられている。 (4) The in-vehicle device according to one aspect of the present disclosure is connected to the power supply device via an indoor electric box or an outdoor electric box, and is connected to either the indoor electric box or the outdoor electric box. , A fuse whose characteristics are determined according to the lamp device connected via the electric box is provided.
　本態様にあたっては、灯体装置に含まれる前方灯体及び後方灯体のそれぞれの灯体に対応する（接続される）ヒューズを備える電気箱が異なる場合であっても、各電気箱（室内電気箱、室外電気箱）から延設される電源線を、車載装置に接続することにより集約することができる。室内電気箱は、例えば、車両のフロアパネルの下部となるフロアエリア又はインパネエリアに載置される電気箱である。室外電気箱は、例えば、車両のエンジンルームエリアに載置される電気箱である。前方灯体の消費電力（定格電流値）が後方灯体の消費電力（定格電流値）よりも大きい場合、前方灯体が接続される室外電気箱のヒューズのヒューズ容量は、後方灯体が接続される室内電気箱のヒューズのヒューズ容量よりも、大きいものであってもよい。 In this embodiment, even if the electric boxes having fuses corresponding to (connected) to the front lamp body and the rear lamp body included in the lamp body device are different, each electric box (indoor electricity) The power lines extending from the box (box, outdoor electric box) can be integrated by connecting to the in-vehicle device. The indoor electric box is, for example, an electric box placed in a floor area or an instrument panel area below the floor panel of a vehicle. The outdoor electric box is, for example, an electric box placed in the engine room area of a vehicle. When the power consumption (rated current value) of the front lamp body is larger than the power consumption (rated current value) of the rear lamp body, the fuse capacity of the fuse of the outdoor electric box to which the front lamp body is connected is connected to the rear lamp body. It may be larger than the fuse capacity of the fuse of the indoor electric box to be used.
（５）本開示の一態様に係る車載装置は、前記車両に搭載される車載ＥＣＵと通信するための通信部と、自装置に接続されるスイッチからの信号が入力される入力部と、前記灯体装置の駆動を制御する制御部とを備え、前記制御部は、前記通信部又は前記入力部を介して、前記灯体装置の駆動要求に関する灯体駆動情報を集約する。 (5) The in-vehicle device according to one aspect of the present disclosure includes a communication unit for communicating with an in-vehicle ECU mounted on the vehicle, an input unit for inputting a signal from a switch connected to the own device, and the above-mentioned. The control unit includes a control unit that controls the drive of the lamp body device, and the control unit collects lamp body drive information regarding a drive request of the lamp body device via the communication unit or the input unit.
　本態様にあたっては、車載装置の制御部は、例えばＣＡＮ又はイーサネット（登録商標）等に対応した通信部、又は入出力Ｉ／Ｆ（interface）からなる入力部を介し、灯体装置の駆動要求に関する全ての灯体駆動情報を取得することにより、当該灯体駆動情報を集約する。車載装置の制御部は、集約した灯体駆動情報に基づき、灯体装置に含まれる前方灯体及び後方灯体の駆動を個別に制御する。すなわち、車載装置には、前方灯体及び後方灯体等、灯体装置に含まれる全ての灯体を制御するための機能が集約されており、当該車載装置は、灯体装置を制御する灯体ＥＣＵとして機能（相当）する。このように、灯体装置を制御するための機能を当該車載装置（灯体ＥＣＵ）に集約することにより、車両に搭載される灯体装置を効率的な制御することができる。灯体装置に関する機能集約された車載装置を用いることにより、灯体駆動情報を出力するスイッチ又は他の車載ＥＣＵと、灯体装置とを直接的に通信させることを不要とすることができる。これにより、灯体装置の仕様の変更、バリエーション展開、又は適用車種の拡大等に対し、主には車載装置（灯体ＥＣＵ）による対応を図り、当該スイッチ又は他の車載ＥＣＵに対する改変を抑制することができ、灯体装置に関する開発効率の向上を図ることができる。 In this embodiment, the control unit of the in-vehicle device relates to a drive request of the lamp body device via, for example, a communication unit corresponding to CAN or Ethernet (registered trademark) or an input unit composed of an input / output I / F (interface). By acquiring all the lamp drive information, the lamp drive information is aggregated. The control unit of the in-vehicle device individually controls the drive of the front lamp body and the rear lamp body included in the lamp body device based on the aggregated lamp body drive information. That is, the in-vehicle device has a collection of functions for controlling all the lamp bodies included in the lamp body device, such as the front lamp body and the rear lamp body, and the vehicle-mounted device is a lamp that controls the lamp body device. Functions (equivalent) as a body ECU. In this way, by consolidating the functions for controlling the lamp body device into the in-vehicle device (lamp body ECU), it is possible to efficiently control the lamp body device mounted on the vehicle. By using the in-vehicle device with integrated functions related to the lamp body device, it is possible to eliminate the need for direct communication between the lamp body device and the switch or other in-vehicle ECU that outputs the lamp body drive information. As a result, in response to changes in the specifications of the lamp body device, development of variations, expansion of applicable vehicle models, etc., mainly by the in-vehicle device (light body ECU), modification to the switch or other in-vehicle ECU is suppressed. It is possible to improve the development efficiency of the lamp body device.
[本開示の実施形態の詳細]
　本開示の実施形態に係る車載装置１の具体例を、以下に図面を参照しつつ説明する。なお、本開示はこれらの例示に限定されるものではなく、請求の範囲によって示され、請求の範囲と均等の意味及び範囲内での全ての変更が含まれることが意図される。 [Details of Embodiments of the present disclosure]
A specific example of the vehicle-mounted device 1 according to the embodiment of the present disclosure will be described below with reference to the drawings. It should be noted that the present disclosure is not limited to these examples, and is indicated by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.
（実施形態１）
　以下、実施の形態について図面に基づいて説明する。図１は、実施形態１に係る車載装置１（灯体ＥＣＵ）等を含む車載システムＳの構成を例示する模式図である。図２は、車載装置１の内部構成を例示するブロック図である。車載システムＳは、灯体装置２と、当該灯体装置２の駆動を制御する車載装置１とを含み、灯体装置２及び車載装置１は、電力線及び通信線５によって接続されている。 (Embodiment 1)
Hereinafter, embodiments will be described with reference to the drawings. FIG. 1 is a schematic view 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 vehicle-mounted device 1. The vehicle-mounted system S includes a lamp body device 2 and an vehicle-mounted device 1 that controls the drive of the lamp body device 2, and the lamp body device 2 and the vehicle-mounted device 1 are connected by a power line and a communication line 5.
　車載装置１は、灯体装置２の点灯又は消灯等するためのスイッチ１０１（ランプスイッチ）及び、車両Ｃの挙動又は車両Ｃの周辺環境に基づき灯体駆動情報（灯体装置２の駆動要求に関する情報）を出力する車載ＥＣＵ３と通信可能に接続されている。車載装置１には、灯体装置２を統括的に制御するための種々の機能が集約されて実装されており、車載装置１は、スイッチ１０１から出力される信号、及び車載ＥＣＵ３から出力される情報（メッセージ）から成る全ての灯体駆動情報を取得し、これを集約する。車載装置１は、集約した灯体駆動情報に基づき、前方灯体２１及び後方灯体２２等、灯体装置２に含まれる全ての灯体の駆動を個別に制御する灯体ＥＣＵとして機能（相当）する。 The in-vehicle device 1 relates to a switch 101 (lamp switch) for turning on or off the lamp body device 2, and lamp body drive information (related to a drive request of the lamp body device 2) based on the behavior of the vehicle C or the surrounding environment of the vehicle C. It is communicably connected to the vehicle-mounted ECU 3 that outputs information). Various functions for comprehensively controlling the lamp body device 2 are integrated and mounted on the in-vehicle device 1, and the in-vehicle device 1 outputs a signal output from the switch 101 and an output from the in-vehicle ECU 3. All lamp drive information consisting of information (messages) is acquired and aggregated. The in-vehicle device 1 functions as a lamp ECU that individually controls the drive of all lamps included in the lamp device 2, such as the front lamp 21 and the rear lamp 22, based on the aggregated lamp drive information (equivalent). )do.
　車載装置１は、室内電気箱４２及び室外電気箱４３を介し、電源線４１によって電源装置４に接続されている。室内電気箱４２及び室外電気箱４３は、接続される灯体装置２の消費電力（定格電流値）に基づき溶断又は遮断特性が決定されるヒューズ（半導体ヒューズ、溶融ヒューズ）を含む。車載装置１は、電源装置４から出力された電力を、灯体装置２の各灯体に分配（中継）することにより、電気分配箱として機能する。 The in-vehicle device 1 is connected to the power supply device 4 by a power supply line 41 via an indoor electric box 42 and an outdoor electric box 43. The indoor electric box 42 and the outdoor electric box 43 include fuses (semiconductor fuses, molten 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 electric distribution box by distributing (relaying) the electric power output from the power supply device 4 to each lamp body of the lamp body device 2.
　車載装置１（灯体ＥＣＵ）は、制御部１１、記憶部１２、通信部１３、及び入出力Ｉ／Ｆ１４を含む。当該入出力Ｉ／Ｆ１４には、車両Ｃの操作者によって操作されるランプスイッチ等のスイッチ１０１が通信線５により通信可能に接続されている。更に、入出力Ｉ／Ｆ１４には、灯体装置２に含まれる前方灯体２１及び後方灯体２２が通信線５により通信可能に接続されている。 The in-vehicle device 1 (light 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 the operator of the vehicle C is connected to the input / output I / F 14 so as to be able to communicate with the communication line 5. Further, the front lamp body 21 and the rear lamp body 22 included in the lamp body device 2 are communicably connected to the input / output I / F 14 by the communication line 5.
　制御部１１は、ＣＰＵ（Central Processing Unit）又はＭＰＵ（Micro Processing Unit）等により構成してあり、記憶部１２に記憶されたプログラム及びデータを読み出し実行して制御処理等を行う。 The control unit 11 is composed of a CPU (Central Processing Unit), an 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.
　記憶部１２は、ＲＡＭ（Random Access Memory）等の揮発性のメモリ素子又は、ＲＯＭ（Read Only Memory）、ＥＥＰＲＯＭ（Electrically Erasable Programmable ROM）若しくはフラッシュメモリ等の不揮発性のメモリ素子により構成されている。記憶部１２には、プログラム及びプログラムを実行するためのデータが記憶されている。これらプログラム等は、車載装置１が読み取り可能な記録媒体から読み出されたプログラム等を記憶したものであってもよい。また、図示しない通信網に接続されている図示しない外部コンピュータからこれらプログラム等をダウンロードし、記憶部１２に記憶させたものであってもよい。 The storage unit 12 is composed of a volatile memory element such as a RAM (RandomAccessMemory) or a non-volatile memory element such as a ROM (ReadOnlyMemory), an EEPROM (Electrically ErasableProgrammableROM) or a flash memory. The storage unit 12 stores the program and data for executing the program. These programs and the like may store programs and the like read from a recording medium that can be read by the in-vehicle device 1. Further, these programs or the like may be downloaded from an external computer (not shown) connected to a communication network (not shown) and stored in the storage unit 12.
　記憶部１２には、灯体装置２に含まれる全ての灯体に対する全ての制御機能を発揮するためのプログラムが記憶されている。従って、車載装置１には灯体装置２に対する全ての制御機能が集約されており、当該制御機能は、例えば、ＡＨＢ（Active High Beam）制御、ＡＤＢ（adaptive driving beam）制御、ＤＲＬ（Daytime Running Lamps）制御、及びＥＳＳ（Emergency Signal System）制御を含む。ＡＨＢ制御は、ＣＯＭＳカメラ等で撮像した画像に基づき、対向車のヘッドライトや先行車両Ｃのリアランプを検知し、前方灯体２１をハイビームからロービームに切り替える制御を行う機能である。ＡＤＢ制御は、前方灯体２１をハイビームとする配光態様をベースに、対向車や先行車の存在状況に応じてその配光を制御する機能である。ＤＲＬ制御は、日中でも車両Ｃ（自車）の被視認性をアップするために前方灯体２１の照度を減少させて制御する機能である。ＥＳＳ制御は、走行中に急ブレーキをかけた際に、自動的にハザードランプ等の灯体を高速点滅させる制御を行う機能である。これら運転支援系の機能に基づく制御を行うにあたり、車載ＥＣＵ３は、センサ又はＣＯＭＳカメラ等から出力されるセンサ値又は画像に基づき、急ブレーキがされた等の車両の挙動に関する情報又は、対向車の有無等の車両の周辺環境に関する情報を抽出し、抽出した情報に基づき灯体駆動情報を生成及び出力する。記憶部１２に記憶され、制御部１１によって実行されるプログラムは、灯体装置２に含まれる全ての灯体に対する全制御機能に対応したモジュール群を含んでいる。従って、灯体装置２を制御するための機能を当該車載装置１（灯体ＥＣＵ）に集約することができ、車両Ｃに搭載される灯体装置２を効率的に制御することができる。 The storage unit 12 stores a program for exerting all control functions for all the lamps included in the lamp device 2. Therefore, all the control functions for the lamp body device 2 are integrated in the in-vehicle device 1, and the control functions include, for example, AHB (Active High Beam) control, ADB (adaptive driving beam) control, and DRL (Daytime Running Lamps). ) Control and ESS (Emergency Signal System) control are included. The AHB control is a function that detects the headlights of an oncoming vehicle and the rear lamp of the preceding vehicle C based on an image captured by a COMS camera or the like, and controls the front lamp body 21 to switch from a high beam to a low beam. The ADB control is a function of controlling the light distribution according to the presence status of an oncoming vehicle or a preceding vehicle based on a light distribution mode in which the front lamp body 21 is a high beam. The DRL control is a function of reducing the illuminance of the front lamp body 21 in order to improve the visibility of the vehicle C (own vehicle) even during the daytime. The ESS control is a function that automatically blinks a lamp such as a hazard lamp at high speed when a sudden brake is applied during traveling. In performing control based on the functions of these driving support systems, the in-vehicle ECU 3 provides information on the behavior of the vehicle such as sudden braking or information on the oncoming vehicle based on the sensor value or image output from the sensor or the COMS camera or the like. Information on the surrounding environment of the vehicle such as presence / absence is extracted, and lamp drive information is generated and output based on the extracted information. The 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 the lamp bodies included in the lamp body device 2. Therefore, the functions for controlling the lamp body device 2 can be integrated into the vehicle-mounted device 1 (lamp body ECU), and the lamp body device 2 mounted on the vehicle C can be efficiently controlled.
　通信部１３は、例えば、ＣＡＮプロコトルに対応したＣＡＮトランシーバ、又はイーサネットケーブルによる通信線５にて伝送されるＴＣＰ／ＩＰのパケットに対応するイーサネットＰＨＹ部である。通信部１３には、通信に用いるプロコトルに応じて、ＣＡＮバス又はイーサネットケーブル等の通信線５が接続される。 The communication unit 13 is, for example, a CAN transceiver corresponding to the CAN protocol or an Ethernet PHY unit corresponding to a TCP / IP packet transmitted on the communication line 5 by 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.
　入出力Ｉ／Ｆ１４は、例えばシリアル通信によって、車載装置１（自装置）と直接、接続するための通信インターフェイスである。入出力Ｉ／Ｆ１４には、例えばシリアルケーブル等のワイヤーハーネスにより構成される通信線５が接続され、制御部１１が生成した制御信号は、入出力Ｉ／Ｆ１４及び信号線を介して、灯体装置２に含まれるいずれかの灯体（前方灯体２１、後方灯体２２）に出力される。更に、入出力Ｉ／Ｆ１４には、例えばシリアルケーブル等のワイヤーハーネスにより構成される通信線５によって、１つ以上のスイッチ１０１（ランプスイッチ）が接続されており、制御部１１は、入出力Ｉ／Ｆ１４を介して、スイッチ１０１から出力される信号を取得する。このように構成された入出力Ｉ／Ｆ１４は、車載装置１（自装置）に直接的に接続されるスイッチ１０１からの信号が入力される入力部に相当する。 The input / output I / F 14 is a communication interface for directly connecting to the in-vehicle device 1 (own device) by, for example, serial communication. A communication line 5 composed of a wire harness such as a serial cable is connected to the input / output I / F 14, and the control signal generated by the control unit 11 is transmitted to the input / output I / F 14 via the input / output I / F 14 and the signal line. It is output to any of the lamp bodies (front lamp body 21, rear lamp body 22) included in the device 2. Further, one or more switches 101 (lamp switches) are connected to the input / output I / F 14 by a communication line 5 composed of a wire harness such as a serial cable, and the control unit 11 is connected to the input / output I / O I / O. The signal output from the switch 101 is acquired via / F14. The input / output I / F 14 configured in this way corresponds to an input unit into which a signal from the switch 101 directly connected to the vehicle-mounted device 1 (own device) is input.
　本実施形態において、スイッチ１０１は入出力Ｉ／Ｆ１４を介して、車載装置１（灯体ＥＣＵ）に直接、接続されているとしたが、これに限定されない。ランプスイッチ等のスイッチ１０１は、例えば、ボディーＥＣＵ等の車載ＥＣＵ３に直接、接続されており、車載装置１（灯体ＥＣＵ）は、ボディーＥＣＵを介して、スイッチ１０１（ランプスイッチ）から出力される信号を取得するものであってもよい。この場合、通信部１３が、車載装置１（自装置）に間接的に接続されるスイッチ１０１からの信号が入力される入力部に相当する。 In the present embodiment, the switch 101 is directly connected to the in-vehicle device 1 (lamp ECU) via the input / output I / F 14, but the present invention is not limited to this. The switch 101 such as a lamp switch is directly connected to, for example, an in-vehicle ECU 3 such as a body ECU, and the in-vehicle device 1 (lamp ECU) is output from the switch 101 (lamp switch) via the body ECU. It may be the one that acquires a signal. In this case, the communication unit 13 corresponds to an input unit into which a signal from the switch 101 indirectly connected to the in-vehicle device 1 (own device) is input.
　灯体装置２は、前方灯体２１、及び後方灯体２２を含む。前方灯体２１は、例えば、車両Ｃの前部に設けられる左右のフロントヘッドライト及びフォグランプである。後方灯体２２は、例えば、車両Ｃの後部に設けられる左右のテールランプである。 The lamp body device 2 includes a front lamp body 21 and a rear lamp body 22. The front light body 21 is, for example, left and right front headlights and fog lamps provided in the front portion of the vehicle C. The rear lamp body 22 is, for example, left and right tail lamps provided at the rear portion of the vehicle C.
　前方灯体２１及び後方灯体２２の光源は、例えば、ハロゲンランプ、ＨＩＤ（High Intensity Discharge）ランプ又はＬＥＤランプのいずれかにより構成される。例えば、前方灯体２１の光源がＬＥＤランプである場合、前方灯体２１は、ＬＥＤランプに対応したＬＣＭ（Light Control Module）を含むものであってもよい。 The light source of the front lamp body 21 and the rear lamp body 22 is composed of, for example, a halogen lamp, a HID (High Intensity Discharge) lamp, or an LED lamp. For example, when the light source of the front lamp body 21 is an LED lamp, the front lamp body 21 may include an LCM (Light Control Module) corresponding to the LED lamp.
　前方灯体２１は車種又は車格に応じて、ハロゲンランプを光源として構成される場合と、ＬＥＤランプを光源として構成される場合とが想定される。記憶部１２に記憶されるプログラムは、ハロゲンランプを光源とする前方灯体２１の駆動制御を行う機能と、ＬＥＤランプを光源とする前方灯体２１の駆動制御を行う機能とに対応したモジュールを含む。灯体装置２の光源種別に応じて、制御部１１が実行するプログラムのモジュールが、例えば車両Ｃの製造段階にて決定されるものとなり、制御部１１は光源の種別に応じて前方灯体２１の駆動を制御することができる。これにより、車載装置１を、ハロゲンランプ及びＬＥＤランプのいずれの光源にも適用することができる標準部品として構成（標準部品化）することができる。 It is assumed that the front lamp body 21 is configured with a halogen lamp as a light source or an LED lamp as a light source, depending on the vehicle type or vehicle class. The program stored in the storage unit 12 has a module corresponding to a function of driving and controlling the front lamp body 21 using a halogen lamp as a light source and a function of performing a drive control of the front lamp body 21 using an LED lamp as a light source. 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 light source device 2, and the control unit 11 determines the front lamp body 21 according to the type of the light source. Drive can be controlled. As a result, the in-vehicle device 1 can be configured as a standard component (standard component) that can be applied to any light source of the halogen lamp and the LED lamp.
　車載ＥＣＵ３は、車載装置１（灯体ＥＣＵ）と同様に制御部、記憶部、通信部、及び入出力Ｉ／Ｆを含み、入出力Ｉ／Ｆには、センサ３１又は車載負荷３２が通信線５によって接続されている。 The in-vehicle ECU 3 includes a control unit, a storage unit, a communication unit, and an input / output I / F as in the in-vehicle device 1 (lamp ECU), and the sensor 31 or the in-vehicle load 32 is a communication line in the input / output I / F. It is connected by 5.
　センサ３１は、例えば、ブレーキセンサ、照度センサ、ＣＭＯＳカメラ又はＬｉＤＡＲ（Light Detection and Ranging）等であり、これらセンサ３１等から出力されるセンサ値又は画像は、当該センサ３１に直接的に接続される車載ＥＣＵ３によって取得される。車載ＥＣＵ３は、取得したセンサ値等又は、当該センサ値等を加工したデータを、通信線５を介して他の車載ＥＣＵ３、又は車載装置１（灯体ＥＣＵ）に出力する。車載負荷３２は、例えばモータ等のアクチュエータ（ＡＣＴ）であり、自身に直接的に接続される車載ＥＣＵ３により制御される。 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 (lamp ECU) via the communication line 5. The in-vehicle load 32 is, for example, an actuator (ACT) such as a motor, and is controlled by an in-vehicle ECU 3 directly connected to itself.
　車載ＥＣＵ３は、取得したセンサ値又は画像に基づき、車両Ｃの挙動又は車両Ｃの周辺環境に応じた灯体駆動情報を生成し、当該灯体駆動情報を車載装置１（灯体ＥＣＵ）に出力する。例えば、照度センサが接続されている車載ＥＣＵ３は、当該照度センサから出力される出力値（車外の照度値）に基づき昼夜を判定し、夜間である場合、前方灯体２１の点灯を要求する灯体駆動情報を、車載装置１（灯体ＥＣＵ）に出力する。上述のとおり、ＡＨＢ等の運転支援系の機能は、主には、これら車載ＥＣＵ３から出力される灯体駆動情報に基づき、車載装置１が灯体装置２を駆動制御することにより実行される。 The in-vehicle ECU 3 generates lamp drive information according to the behavior of the vehicle C or the surrounding environment of the vehicle C based on the acquired sensor value or image, and outputs the lamp drive information to the in-vehicle device 1 (lamp ECU). do. For example, the in-vehicle ECU 3 to which the illuminance sensor is connected determines day and night based on the output value (illuminance value outside the vehicle) output from the illuminance sensor, and if it is nighttime, the light that requests the front lamp body 21 to be turned on. The body drive information is output to the in-vehicle device 1 (lamp ECU). As described above, the functions of the driving support system such as the AHB are mainly executed by the vehicle-mounted device 1 driving and controlling the lamp body device 2 based on the lamp body driving information output from the vehicle-mounted ECU 3.
　電源装置４は、鉛バッテリを含む全固体電池又はオルタネータであり、例えば１２Ｖの直流電圧を印加（出力）する。又は、電源装置４は、所定の電圧に降圧するＤＣＤＣコンバータを介して接続されるリチウムイオン電池等の高圧蓄電装置であってもよい。 The power supply device 4 is an all-solid-state battery or an alternator including a lead battery, and applies (outputs), for example, a DC voltage of 12 V. Alternatively, the power supply device 4 may be a high-voltage power storage device such as a lithium ion battery connected via a DCDC converter that steps down to a predetermined voltage.
　室内電気箱４２及び室外電気箱４３は、筐体及び当該筐体に収納されるヒューズを含むジャンクションボックスである。ヒューズは、例えばＦＥＴ等により構成される半導体ヒューズ、又は溶融ヒューズ（メカヒューズ）であってもよい。室外電気箱４３には、前方灯体２１に接続されるヒューズが含まれる。室内電気箱４２には、後方灯体２２に接続されるヒューズが含まれる。室内電気箱４２は、例えば、車両Ｃのフロアパネルの下部となるフロアエリア又はインパネエリアに載置される電気箱である。室外電気箱４３は、例えば、車両Ｃのエンジンルームエリアに載置される電気箱である。 The indoor electric box 42 and the outdoor electric box 43 are a junction box including a housing and a fuse housed in the housing. The fuse may be, for example, a semiconductor fuse composed of FETs or the like, or a molten fuse (mechanical fuse). The outdoor electric box 43 includes a fuse connected to the front lamp body 21. The indoor electric box 42 includes a fuse connected to the rear lamp body 22. The indoor electric box 42 is, for example, an electric box placed in a floor area or an instrument panel area below the floor panel of the vehicle C. The outdoor electric box 43 is, for example, an electric box placed in the engine room area of the vehicle C.
　電源装置４から灯体装置２まで配策される電源線４１において、電源装置４、室内電気箱４２又は室外電気箱４３、車載装置１、及び灯体装置２の順番で、これら装置等は、配置されている。従って、ヒューズを備える室内電気箱４２又は室外電気箱４３よりも、電流の流れ方向にて下流側に車載装置１は設けられており、当該車載装置１にて分配された電力が、灯体装置２における各灯体（前方灯体２１、後方灯体２２）に供給される。 In the power supply line 41 arranged from the power supply device 4 to the lamp body device 2, these devices and the like are arranged in the order of the power supply device 4, the indoor electric box 42 or the outdoor electric box 43, the in-vehicle device 1, and the lamp body device 2. Have been placed. Therefore, the in-vehicle device 1 is provided downstream of the indoor electric box 42 or the outdoor electric box 43 provided with the fuse in the current flow direction, and the electric power distributed by the in-vehicle device 1 is used as the lamp body device. It is supplied to each lamp body (front lamp body 21, rear lamp body 22) in 2.
　灯体装置２に含まれる前方灯体２１及び後方灯体２２のそれぞれの灯体に対応する（接続される）ヒューズを備える電気箱が異なる場合であっても、各電気箱（室内電気箱４２、室外電気箱４３）から延設される電源線４１を、車載装置１（灯体ＥＣＵ）に接続することにより集約することができる。車載装置１にて集約された電源線４１は、当該車載装置１を介して、灯体装置２における各灯体（前方灯体２１、後方灯体２２）それぞれに延設されるものとなり、これにより車内における電源線４１を整流化し、当該電源線４１の効率的な配策を行うことができる。 Even if the electric boxes having fuses corresponding to (connected to) the front light body 21 and the rear light body 22 included in the light body device 2 are different, each electric box (indoor electric box 42). , The power supply line 41 extending from the outdoor electric box 43) can be integrated by connecting to the in-vehicle device 1 (lamp ECU). The power supply line 41 integrated in the in-vehicle device 1 is extended to each of the lamp bodies (front lamp body 21 and rear lamp body 22) in the lamp body device 2 via the vehicle-mounted device 1. This makes it possible to rectify the power supply line 41 in the vehicle and efficiently arrange the power supply line 41.
　本実施形態において、前方灯体２１及び後方灯体２２は、車載装置１と、通信線５及び電源線４１により接続されるとしたが、これに限定されない。車載装置１と、前方灯体２１及び後方灯体２２とは、通信線５又は電源線４１のいずれかにより接続されるものであってもよい。又は、前方灯体２１の機能数が、後方灯体２２の機能数よりも多い場合、前方灯体２１と車載装置１とは、通信線５及び電源線４１により接続され、後方灯体２２と車載装置１とは、通信線５又は電源線４１により接続されるものであってもよい。後方灯体２２と車載装置１とが、電源線４１によってのみ接続される場合、車載装置１は、当該電源線４１に接続される（設けられる）リレー等の開閉（オン・オフ）を制御することにより、後方灯体２２の駆動を制御するものであってもよい。 In the present embodiment, the front lamp body 21 and the rear lamp body 22 are connected to the in-vehicle device 1 by the communication line 5 and the power supply line 41, but the present invention is not limited to this. The in-vehicle device 1 and the front light body 21 and the rear light body 22 may be connected by either the communication line 5 or the power supply line 41. Alternatively, when the number of functions of the front light body 21 is larger than the number of functions of the rear light body 22, the front light body 21 and the in-vehicle device 1 are connected by the communication line 5 and the power supply line 41, and are connected to the rear light body 22. The in-vehicle device 1 may be connected by a communication line 5 or a power supply line 41. When the rear lamp body 22 and the vehicle-mounted device 1 are connected only by the power supply line 41, the vehicle-mounted device 1 controls opening / closing (on / off) of a relay or the like connected (provided) to the power supply line 41. This may control the drive of the rear lamp body 22.
　図３は、車載装置１の制御部１１の処理を例示するフローチャートである。車載装置１（灯体ＥＣＵ）の制御部１１は、例えば、車両Ｃが起動状態（ＩＧスイッチがオン）又は停止状態（ＩＧスイッチがオフ）において、定常的に以下の処理を行う。 FIG. 3 is a flowchart illustrating the processing of the control unit 11 of the in-vehicle device 1. The control unit 11 of the in-vehicle device 1 (light ECU) constantly performs the following processing in a start state (IG switch is on) or a stop state (IG switch is off) of the vehicle C, for example.
　車載装置１の制御部１１は、灯体駆動情報を集約する（Ｓ１０１）。制御部１１は、常時、入出力ＩＦを介してスイッチ１０１から出力される信号、及び通信部１３を介して送信する車載ＥＣＵ３からの情報（メッセージ）を、待ち受ける処理（待受処理）を継続している。これら信号及び情報（メッセージ）は灯体駆動情報を構成するものであり、制御部１１は、当該灯体駆動情報を出力（送信）された場合、全ての灯体駆動情報を取得する。これにより、スイッチ１０１及び車載ＥＣＵ３から出力（送信）される全ての灯体駆動情報は、車載装置１に集約されるものとなる。 The control unit 11 of the in-vehicle device 1 aggregates the lamp body drive information (S101). The control unit 11 constantly continues the process (standby process) of waiting for the signal output from the switch 101 via the input / output IF and the information (message) from the vehicle-mounted ECU 3 transmitted via the communication unit 13. ing. These signals and information (messages) constitute the lamp drive information, and the control unit 11 acquires all the lamp drive information when the lamp drive information is output (transmitted). As a result, all the lamp drive information output (transmitted) from the switch 101 and the vehicle-mounted ECU 3 is collected in the vehicle-mounted device 1.
　車載装置１の制御部１１は、灯体駆動情報に基づき、制御対象の灯体を特定する（Ｓ１０２）。制御部１１は、灯体駆動情報に含まれる信号パターン、又はメッセージのペイロードに格納されたデータに基づき、制御対象の灯体（前方灯体２１、後方灯体２２）を特定する。 The control unit 11 of the in-vehicle device 1 identifies the lamp body to be controlled based on the lamp body drive information (S102). The control unit 11 identifies the lamp body (front lamp body 21, rear lamp body 22) to be controlled based on the signal pattern included in the lamp body drive information or the data stored in the payload of the message.
　車載装置１の制御部１１は、特定した灯体への駆動要求に応じた制御信号を生成する（Ｓ１０３）。車載装置１の記憶部１２には、灯体装置２に含まれる全ての灯体に対する制御機能を発揮するためのプログラムが記憶されており、車載装置１には、灯体装置２に対する全ての制御機能が集約されている。制御部１１は、記憶部１２に記憶されているプログラムを参照及び実行することにより、スイッチ１０１又は、車載ＥＣＵ３から出力（送信）される灯体駆動情報に含まれる駆動要求に応じて、例えば前方灯体２１又は後方灯体２２の点灯、消灯、点滅、又は照度変更等を指示する制御信号を生成する。 The control unit 11 of the in-vehicle device 1 generates a control signal in response to a drive request to the specified lamp body (S103). The storage unit 12 of the vehicle-mounted device 1 stores a program for exerting a control function for all the lamp bodies included in the lamp body device 2, and the vehicle-mounted device 1 stores all the controls for the lamp body device 2. Functions are aggregated. By referring to and executing the program stored in the storage unit 12, the control unit 11 responds to a drive request included in the lamp drive information output (transmitted) from the switch 101 or the vehicle-mounted ECU 3, for example, forward. A control signal for instructing lighting, extinguishing, blinking, changing the illuminance, etc. of the lamp body 21 or the rear lamp body 22 is generated.
　車載装置１の制御部１１は、生成した制御信号を特定した灯体に出力する（Ｓ１０４）。制御部１１は、例えば、入出力Ｉ／Ｆ１４に接続される通信線５を介して、生成した制御信号を特定した灯体となる前方灯体２１、後方灯体２２、又は双方の灯体に出力する。当該制御信号を受信した前方灯体２１、後方灯体２２、又は双方の灯体は、制御信号に基づき、ハロゲンランプ又はＬＥＤランプ等によって構成される光源の点灯又は消灯等を行う。 The control unit 11 of the in-vehicle device 1 outputs the generated control signal to the specified lamp body (S104). The control unit 11 is attached to the front lamp body 21, the rear lamp body 22, or both lamp bodies, which are the lamp bodies that specify the generated control signal, for example, via the communication line 5 connected to the input / output I / F14. Output. The front lamp body 21, the rear lamp body 22, or both lamp bodies that have received the control signal turn on or off a light source composed of a halogen lamp, an LED lamp, or the like based on the control signal.
　本開示による実施形態は全ての点で例示であり、車載装置（灯体ＥＣＵ）の制御部（コンピュータ）によって実行されるプログラムは、単一のコンピュータ上で、又は複数のコンピュータにわたって分散され、通信ネットワークによる相互接続された複数のコンピュータ上で実行されるように展開されるものであってもよい。 The embodiments according to the present disclosure are exemplified in all respects, and a program executed by a control unit (computer) of an in-vehicle device (light ECU) is distributed and communicates on a single computer or across a plurality of computers. It may be deployed to run on multiple computers interconnected by a network.
（実施形態２）
　図４は、実施形態２（側方灯体２３）に係る車載装置１（灯体ＥＣＵ）等を含む車載システムＳの構成を例示する模式図である。本実施形態においては、灯体装置２は、前方灯体２１及び後方灯体２２に加え、更に側方灯体２３及び車内灯体２４を含む。側方灯体２３は、例えば、ウィンカー又はハザードライト等を含む。車内灯体２４は、例えば、イルミネーションライト又はルームライト等を含む。側方灯体２３及び車内灯体２４に対応する（接続される）ヒューズは、例えば室内電気箱４２に収納されている。 (Embodiment 2)
FIG. 4 is a schematic view illustrating the configuration of the vehicle-mounted system S including the vehicle-mounted device 1 (light body ECU) and the like according to the second embodiment (side lamp body 23). In the present embodiment, the lamp body device 2 further includes a side lamp body 23 and an in-vehicle lamp body 24 in addition to the front lamp body 21 and the rear lamp body 22. The side lamp body 23 includes, for example, a winker or a hazard light. The vehicle interior light body 24 includes, for example, an illumination light, a room light, and the like. The fuses corresponding to (connected to) the side lamp body 23 and the vehicle interior lamp body 24 are housed in, for example, the indoor electric box 42.
　車載装置１（灯体ＥＣＵ）は、実施形態１と同様に電源線４１により、灯体装置２に含まれる前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４と接続しており、電源装置４から出力された電力を、前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４に分配して、供給する。車載装置１（灯体ＥＣＵ）は、実施形態１と同様に入出力Ｉ／Ｆ１４を介して、通信線５により、灯体装置２に含まれる前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４と通信可能に接続されている。これにより、車載装置１（灯体ＥＣＵ）を中心とし、灯体装置２に含まれる前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４のそれぞれの灯体が、当該車載装置１（灯体ＥＣＵ）に通信線５及び電源線４１にて接続されるスター形状のネットワークトポロジーが形成される。 The in-vehicle device 1 (lamp ECU) is connected to the front lamp 21, the rear lamp 22, the side lamp 23, and the vehicle interior lamp 24 included in the lamp device 2 by the power supply line 41 as in the first embodiment. The power output from the power supply device 4 is distributed and supplied to the front lamp body 21, the rear lamp body 22, the side lamp body 23, and the vehicle interior lamp body 24. As in the first embodiment, the in-vehicle device 1 (light ECU) has 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. It is communicatively connected to the body 23 and the vehicle interior light body 24. As a result, each of the front lamp body 21, the rear lamp body 22, the side lamp body 23, and the vehicle interior lamp body 24 included in the lamp body device 2 centering on the in-vehicle device 1 (lamp body ECU) is concerned. A star-shaped network topology is formed in which the in-vehicle device 1 (lamp ECU) is connected by the communication line 5 and the power supply line 41.
　車載装置１（灯体ＥＣＵ）の記憶部１２に記憶され、制御部１１によって実行されるプログラムは、実施形態１と同様に、灯体装置２に含まれる全ての灯体に対する全制御機能に対応したモジュール群を含んでいる。従って、車載装置１は、前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４を含む灯体装置２の制御を統括し、灯体装置２に含まれる各灯体を総合的に制御することができる。 The 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 the control functions for all the lamps included in the lamp device 2 as in the first embodiment. Includes a group of modules. Therefore, the in-vehicle device 1 controls the control of the lamp body device 2 including the front lamp body 21, the rear lamp body 22, the side lamp body 23, and the vehicle interior lamp body 24, and controls each lamp body included in the lamp body device 2. It can be controlled comprehensively.
　本実施形態において、前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４は、車載装置１と、通信線５及び電源線４１により接続されるとしたが、これに限定されない。車載装置１と、前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４とは、通信線５又は電源線４１のいずれかにより接続されるものであってもよい。灯体装置２に含まれる前方灯体２１、後方灯体２２、側方灯体２３及び車内灯体２４において、前方灯体２１の機能数が最も多い場合、前方灯体２１と車載装置１とは、通信線５及び電源線４１により接続され、当該前方灯体２１よりも機能数が少ない後方灯体２２、側方灯体２３及び車内灯体２４は、通信線５又は電源線４１により車載装置１と接続されるものであってもよい。後方灯体２２、側方灯体２３又は車内灯体２４が、電源線４１によってのみ車載装置１と接続される場合、車載装置１は、当該電源線４１に接続される（設けられる）リレー等の開閉（オン・オフ）を制御することにより、後方灯体２２、側方灯体２３又は車内灯体２４の駆動を制御するものであってもよい。 In the present embodiment, the front light body 21, the rear light body 22, the side light body 23, and the vehicle interior light body 24 are connected to the in-vehicle device 1 by the communication line 5 and the power supply line 41, but the present invention is limited to this. Not done. The in-vehicle device 1 and the front light body 21, the rear light body 22, the side light body 23, and the vehicle interior light body 24 may be connected by either the communication line 5 or the power supply line 41. In the front light body 21, the rear light body 22, the side light body 23, and the vehicle interior light body 24 included in the light body device 2, when the number of functions of the front light body 21 is the largest, the front light body 21 and the in-vehicle device 1 The rear light body 22, the side light body 23, and the in-vehicle light body 24, which are connected by the communication line 5 and the power supply line 41 and have fewer functions than the front light body 21, are mounted on the vehicle by the communication line 5 or the power supply line 41. It may be connected to the device 1. When the rear light body 22, the side light body 23, or the vehicle interior light body 24 is connected to the in-vehicle device 1 only by the power supply line 41, the in-vehicle device 1 is connected (provided) to the power supply line 41 or the like. By controlling the opening / closing (on / off) of, the drive of the rear lamp body 22, the side lamp body 23, or the vehicle interior lamp body 24 may be controlled.
　今回開示された実施形態は全ての点で例示であって、制限的なものではないと考えられるべきである。本発明の範囲は、上記した意味ではなく、請求の範囲によって示され、請求の範囲と均等の意味及び範囲内での全ての変更が含まれることが意図される。 The embodiment disclosed this time is an example in all respects and should be considered not to be restrictive. The scope of the present invention is indicated by the scope of claims, not the above-mentioned meaning, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.
　Ｃ　車両
　Ｓ　車載システム
　１　車載装置（灯体ＥＣＵ）
　１１　制御部
　１２　記憶部
　１３　通信部
　１４　入出力Ｉ／Ｆ（入力部）
　１０１　スイッチ
　２　灯体装置
　２１　前方灯体
　２２　後方灯体
　２３　側方灯体
　２４　車内灯体
　３　車載ＥＣＵ
　３１　センサ
　３２　車載負荷
　４　電源装置
　４１　電源線
　４２　室内電気箱
　４３　室外電気箱
　５　通信線 C Vehicle S In-vehicle system 1 In-vehicle device (light ECU)
11 Control unit 12 Storage unit 13 Communication unit 14 Input / output I / F (input unit)
101 Switch 2 Light body device 21 Front light body 22 Rear light body 23 Side light body 24 In-vehicle light body 3 In-vehicle ECU
31 Sensor 32 In-vehicle load 4 Power supply unit 41 Power supply line 42 Indoor electric box 43 Outdoor electric box 5 Communication line

Claims (5)

  1. 　車両に搭載され、前方灯体及び後方灯体を含む灯体装置の駆動を制御する車載装置であって、
    　前記車両に搭載される電源装置と接続され、
    　前記前方灯体とは、通信線及び、前記電源装置から出力された電力を分配するための電源線により接続され、
    　前記後方灯体とは、前記通信線又は前記電源線により接続される
    　車載装置。     It is an in-vehicle device mounted on a vehicle and controlling the drive of a lamp body including a front lamp body and a rear lamp body.
    Connected to the power supply mounted on the vehicle,
    The front lamp body is connected by a communication line and a power supply line for distributing the electric power output from the power supply device.
    The rear lamp body is an in-vehicle device connected by the communication line or the power supply line.
  2. 　自装置と、前記前方灯体及び前記後方灯体とを、前記通信線又は前記電源線にて接続することにより、自装置を中心としたスター形状のネットワークトポロジーが形成される
    　請求項１に記載の車載装置。     The first aspect of claim 1, wherein a star-shaped network topology centered on the own device is formed by connecting the own device, the front light body, and the rear light body by the communication line or the power supply line. In-vehicle device.
  3. 　前記灯体装置は、側方灯体を含み、
    　前記灯体装置に含まれる前記前方灯体、前記後方灯体及び前記側方灯体それぞれと前記通信線又は前記電源線により接続され、
    　前記電源装置から出力された電力を、前記前方灯体、前記後方灯体及び前記側方灯体における前記電源線にて接続される灯体に分配する
    　請求項１又は請求項２に記載の車載装置。     The lamp body device includes a side lamp body and includes a side lamp body.
    The front lamp body, the rear lamp body, and the side lamp body included in the lamp body device are connected to each other by the communication line or the power supply line.
    The vehicle according to claim 1 or 2, wherein the electric power output from the power supply device is distributed to the front lamp body, the rear lamp body, and the lamp body connected by the power supply line in the side lamp body. Device.
  4. 　前記電源装置とは、室内電気箱又は室外電気箱を介して接続され、
    　前記室内電気箱又は前記室外電気箱のいずれかの電気箱には、該電気箱を介して接続される前記灯体装置に応じて特性が決定されるヒューズが設けられている
    　請求項１から請求項３のいずれか１項に記載の車載装置。     The power supply device is connected to the power supply device via an indoor electric box or an outdoor electric box.
    The electric box of either the indoor electric box or the outdoor electric box is provided with a fuse whose characteristics are determined according to the lamp device connected via the electric box. Item 3. The in-vehicle device according to any one of Item 3.
  5. 　前記車両に搭載される車載ＥＣＵと通信するための通信部と、
    　自装置に接続されるスイッチからの信号が入力される入力部と、
    　前記灯体装置の駆動を制御する制御部とを備え、
    　前記制御部は、前記通信部又は前記入力部を介して、前記灯体装置の駆動要求に関する灯体駆動情報を集約する
    　請求項１から請求項４のいずれか１項に記載の車載装置。     A communication unit for communicating with the in-vehicle ECU mounted on the vehicle, and
    The input section where the signal from the switch connected to the own device is input, and
    It is provided with a control unit that controls the drive of the lamp body device.
    The vehicle-mounted device according to any one of claims 1 to 4, wherein the control unit aggregates lamp drive information relating to a drive request of the lamp device via the communication unit or the input unit.
PCT/JP2021/048671 2021-01-15 2021-12-27 In-vehicle device WO2022153862A1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000016174A (en) * 1998-07-03 2000-01-18 Hitachi Ltd Driving device of lamp for vehicle and driving method thereof
JP2012076630A (en) * 2010-10-01 2012-04-19 Autonetworks Technologies Ltd Vehicular electronic control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000016174A (en) * 1998-07-03 2000-01-18 Hitachi Ltd Driving device of lamp for vehicle and driving method thereof
JP2012076630A (en) * 2010-10-01 2012-04-19 Autonetworks Technologies Ltd Vehicular electronic control system

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