JP4359259B2 - Lighting control device for outdoor light of automobile and lighting control method using the same - Google Patents

Description

  The present invention relates to a lighting control device for an outdoor lamp of an automobile and a lighting control method using the same.

  In recent automobiles, it is possible to approach vehicles at night by turning on outdoor lights such as vehicle width lights and headlights using a door lock signal or door unlock signal from a keyless remote control (portable device). Some of them are equipped with a lighting control device for controlling the lighting of the outdoor light so that it illuminates.

  For example, Patent Literature 1 discloses a foot lighting device for a side step of an automobile. And this illuminating device has the illumination lamp lighting circuit which lights the illumination lamp for foot for a predetermined time, if the signal which unlocks the door lock from the door lock remote control apparatus is received. Thereby, it is described that the side step position and the door position can be easily confirmed even at night or in a dark place.

Patent Document 2 discloses a control device for an automotive outdoor light that includes an outdoor light that irradiates the exterior of an automobile, and an in-vehicle control unit that is mounted on the automobile and controls at least the lighting of the outdoor light. Yes. The vehicle-mounted control means receives at least a signal from the portable device, detects a ride intention of the person who owns the portable device, and detects a ride intention of the owner by the ride intention detection unit. A boarding lighting control unit for lighting the outdoor lamp. Accordingly, it is described that the user can easily and sufficiently check his / her feet before boarding and can get on safely even in a dark place.
Japanese Patent Laid-Open No. 10-157511 JP 2002-120663 A

  An object of the present application is to provide a lighting control device for an outdoor lamp of an automobile that is easy on the eyes of the user and a lighting control method using the same.

The lighting control device of the present invention lights the first and second outdoor lamps of an automobile having a first outdoor lamp that emits light having relatively low luminous intensity and a second outdoor lamp that emits light having relatively high luminous intensity. A lighting control device for controlling,
An operation frequency measuring means for measuring the number of times of reception of a signal transmitted by the operation of a portable device outside the vehicle as the operation frequency;
First outdoor lamp lighting means for lighting the first outdoor lamp when the number of operations measured by the operation count measuring means reaches a first predetermined number;
After the first outdoor lamp lighting means turns on the first outdoor lamp, the second outdoor lamp is turned on when the number of operations measured by the operation number measuring means reaches a second predetermined number of times. Lamp lighting means,
It is provided with.

  With such a configuration, since the first outdoor lamp that emits light having a relatively low luminous intensity and the second outdoor lamp that emits light having a relatively high luminous intensity are lit in stages, the second outdoor lamp from the beginning. The strong light does not suddenly enter the user's eyes as in the case of turning on the light, making it easy for the user's eyes. In addition, since the first outdoor lamp is turned on, the number of operations of the portable device is easy to understand.

  In the lighting control device of the present invention, the number of operations measured by the operation number measuring unit within a predetermined time after the first outdoor lamp lighting unit lights the first outdoor lamp is less than the second predetermined number of times. It may further comprise a first outdoor lamp turn-off means for turning off the first outdoor lamp.

  The reason why there is no operation of the portable device after the first outdoor light is turned on is that the previous operation is due to an operation error of the portable device by the user, etc., and it is necessary to turn on the first and second outdoor lights. Since such a configuration is expected, it is possible to avoid unnecessary battery consumption in such a case.

The lighting control method of the present invention is to turn on the first and second outdoor lamps of an automobile having a first outdoor lamp that emits light having relatively low luminous intensity and a second outdoor lamp that emits light having relatively high luminous intensity. A method of performing control,
Measure the number of receptions of signals sent by operating portable devices outside the vehicle as the number of operations,
Turning on the first outdoor lamp when the measured number of operations reaches a first predetermined number of times;
After the first outdoor lamp is turned on, the second outdoor lamp is turned on when the measured number of operations reaches a second predetermined number.

  In this way, the first outdoor lamp and the second outdoor lamp are lit in stages, which is easy for the user's eyes.

  In the lighting control method of the present invention, the signal transmitted from the portable device outside the vehicle is both a door lock signal and a door unlock signal, and the sum of the first predetermined number of times and the second predetermined number of times is an odd number of times. You may make it.

  When having a single button that alternately transmits a door lock signal and a door unlock signal each time the portable device is pressed, and using both the door lock signal and the door unlock signal, the first predetermined number of times If the sum of the second predetermined number of times is set to an odd number of times, this control is normally started in a door locked state, so that the door can be unlocked together with the lighting of the second outdoor lamp.

  As described above, according to the present invention, the first outdoor lamp that emits light having a relatively low luminous intensity and the second outdoor lamp that emits light having a relatively high luminous intensity are lit in stages. Friendly to the eyes of the elderly.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited to embodiment shown below.

(Embodiment 1)
1 to 5, the configuration of the lighting system A that controls lighting of the vehicle width lamp (first outdoor lamp) 7 and the headlamp (second outdoor lamp) 9, and the vehicle width lamp 7 and the front The operation of a lighting control device (ECU; electronic control unit) 11 that controls the lighting of the lighting 9 so as to illuminate the approach to the vehicle will be described.

<Configuration of lighting system A>
First, the illumination system A will be described.

  FIG. 1 shows a lighting system A.

  This lighting system A is for turning on and off the vehicle width lamp 7 and the headlamp 9, and includes a lighting switch (lighting SW) 1, a vehicle body control device 3, a turn-off device 5, a vehicle width lamp 7, and a headlamp. 9 and the ECU 11.

  The lighting switch 1 is provided on a steering column (not shown), and is connected to the vehicle body control device 3 by a vehicle width lamp wiring 15 and a headlight wiring 17.

  The vehicle body control device 3 is composed of a processor having arithmetic elements that centrally perform various switch input processes and LAN communication authentication processes, and also from a keyless remote controller (portable machine) 2 carried outside the vehicle. A keyless receiver for receiving a door lock signal or a door unlock signal is incorporated. The vehicle body control device 3 is connected to the extinguishing / lighting device 5 by the extinguishing / communication communication line 19. The vehicle body control device 3 is connected to a door lock motor 13 for door lock by a door lock wiring 21 and a door lock door unlock wiring 23.

  The extinguishing device 5 includes a vehicle width lamp relay and a headlight relay (both not shown). The extinguishing device 5 is connected to a connection portion at one end of each of the pair of vehicle width lights 7 provided in parallel by the vehicle width lamp extinction wiring 25 and provided in parallel by the headlight extinction wiring 27. Each of the pair of headlamps 9 is connected to a connecting portion at one end. The other ends of the vehicle width lamp 7 and the headlamp 9 are grounded.

  The vehicle width lamp 7 and the headlamp 9 are both composed of an automobile bulb and a reflecting mirror. The former emits light having a relatively low luminous intensity, while the latter emits light having a relatively high luminous intensity.

  The ECU 11 is a processor including an arithmetic element in which predetermined software is installed. The ECU 11 is for a headlight wiring branch line 31 branched from the headlight wiring 17 and a vehicle width lamp branched from the vehicle width light wiring 15. Branched from the wiring branch line 29, the door locking wiring branch line 33 branched from the door locking wiring 21, the door unlocking wiring branch line 35 branched from the door unlocking wiring 23, and the vehicle width lamp vanishing point wiring 25 Each of the vehicle width light extinction wiring branch lines 37 is connected. Further, the ECU 11 is configured to receive information indicating whether or not a key is inserted, on / off information of a key switch (KEYSW) and an accessory switch (ACCSW), and door opening / closing information. .

  In this lighting system A, normally, when the occupant turns the lighting switch 1 provided on the steering column by one step, the vehicle width lamp lighting switch is turned on, and the vehicle body control device 3 uses this state for the vehicle width lamp. Detection is performed via the wiring 15. Then, the vehicle body control device 3 sends a vehicle width lamp lighting signal to the extinguishing / lighting device 5 via the extinguishing / lighting communication line 19. In the extinguisher / lighting device 5, the vehicle width lamp relay is in a conductive state and energized to the vehicle width lamp extinction wiring 25, whereby the vehicle width lamp 7 is turned on.

  Further, when the occupant further turns the lighting switch 1 provided on the steering column one stage, that is, when the occupant turns two stages in total, the headlamp lighting switch is also turned on, and the vehicle body control device 3 Detection is performed via the headlight wiring 17. Then, the vehicle body control device 3 sends a headlamp lighting instruction signal to the extinguishing / lighting device 5 via the extinguishing / lighting communication line 19. In the extinguishing / lighting device 5, the headlamp relay is in a conductive state and energized to the headlamp extinguishing wiring 27, whereby the headlamp 9 is lit.

  Conversely, when the occupant turns the lighting switch 1 provided on the steering column so as to return it one step from the state where it has been turned two steps, the headlamp 9 is turned off while the vehicle width light 7 is turned on, and another one step. When turned to return, the vehicle width lamp 7 is also turned off.

  Then, door lock and door unlock by the keyless remote controller 2 will be described. The keyless remote controller 2 is provided with a door unlock button and a door lock button (both not shown), and when the door lock button is pressed outside the vehicle. A door lock signal is transmitted, and when the door unlock button is pressed, a door unlock signal is transmitted. The keyless receiver 3a of the vehicle body control device 3 receives the transmitted door lock signal or door unlock signal, and in the former case, sends a signal to the door lock motor 13 via the door lock wiring 21. On the other hand, in the latter case, a signal is sent to the door lock motor 13 via the door unlock wiring 23. The door lock motor 13 rotates in a direction to lock the vehicle door when receiving a signal from the door lock wiring 21, while in a direction to unlock the vehicle door when receiving a signal from the door unlock wiring 23. Rotate. The signal of the door lock wiring 21 is also received by the ECU 11 via the door lock wiring branch line 33, and the signal of the door unlock wiring 23 is also received by the ECU 11 via the door unlock wiring branch line 35. The That is, the ECU 11 detects that a door lock button or a door unlock button provided on the keyless remote controller 2 has been pressed, that is, a keyless operation.

<Operation of ECU 11>
Next, the processing operation of the ECU 11 will be described.

  The processing operation by the ECU 11 is to light the approach to the vehicle by turning on the vehicle width lamp 7 and / or the headlamp 9 by the user's operation of the keyless remote controller 2 and is based on installed software. Implemented.

  2 to 5 show a processing flow in the ECU 11.

  This processing flow constitutes a loop starting from step S1 at the start of processing, performing each processing, and then returning to step S1 again.

  In step S2 following step S1, it is determined whether or not the state of the vehicle is state 0, that is, whether or not both the width lamp 7 and the headlamp 9 are turned off. If YES, the process proceeds to step S100. If NO, the process proceeds to step S3.

  In the state 0, when the keyless operation is performed a predetermined number of times a (first predetermined number of times, for example, twice) within a predetermined time A (for example, 3 seconds), the vehicle width lamp 7 is turned on and the headlamp 9 is turned on. Is turned off (the following state 1). The control will be described below with reference to FIG.

  In step S101 following step S100, it is determined whether or not a first timer described later is operating. If YES, the process proceeds to step S102, and if NO, the process proceeds to step S103.

  In step S103, it is determined whether or not a keyless operation has been performed. If YES, the process proceeds to step S104. If NO, the process returns to S1.

  In step S104, the number of operations is counted by the keyless operation number counter, and it is determined whether or not it is one. If YES, the process proceeds to step S107, and if NO, the process proceeds to S105.

  In step S107, the first timer is started, and then the process returns to step S1.

  In step S102, it is determined whether or not the predetermined time A has elapsed in the first timer. If YES, the process proceeds to step S106, and if NO, the process proceeds to S103.

  In step S106, the keyless operation frequency counter is cleared, that is, the keyless operation frequency is set to 0, the first timer is stopped, and then the process returns to step S1.

  In step S105, it is determined whether or not the number of keyless operations is a predetermined number a. If YES, the process proceeds to step S108, and if NO, the process returns to S1.

  In step S108, the vehicle width light 7 is turned on by sending a signal to the vehicle body control device 3 via the vehicle width light wiring branch line 29 so that the vehicle width light lighting switch is turned on, and the second timer is turned on. Start and then return to step S1.

  In step S3, it is determined whether or not the vehicle is in state 1, that is, whether or not the vehicle width lamp 7 is turned on and the headlamp 9 is turned off. The process proceeds to step S200, and if NO, the process proceeds to step S4.

  In state 1, if the keyless operation is performed a predetermined number of times b (second predetermined number of times, for example, once) within a predetermined time B (for example, 5 seconds) after the vehicle width light 7 is turned on, the engine is started. The vehicle width lamp 7 is turned on and the headlamp 9 is also turned on (state 2 below) except when the door is open and when any of the doors is open. On the other hand, when the keyless operation is less than the predetermined number of times b within the predetermined time B after the vehicle width lamp 7 is turned on (for example, 0 when the predetermined number of times b is 1), In any case of the open state, the vehicle width lamp 7 is turned off and the headlamp 9 is also turned off (the following state 0). The control will be described below with reference to FIG.

  In step S201 following step S200, it is determined whether or not the second timer has passed the predetermined time B. If YES, the process proceeds to step S205, and if NO, the process proceeds to S202.

  In step S202, it is determined whether or not the key switch and the accessory switch are on. If YES, the process proceeds to step S205, and if NO, the process proceeds to S203.

  In step S203, it is determined whether or not any of the doors is open. If YES, the process proceeds to step S205, and if NO, the process proceeds to S204.

  In step S204, it is determined whether or not the keyless operation has been performed a predetermined number of times b. If YES, the process proceeds to step S206, and if NO, the process returns to S1.

  In step S206, the headlamp 9 is turned on by sending a signal to the vehicle body control device 3 via the headlamp wiring branch line 31 so that the headlamp lighting switch is turned on. Each keyless mask timer is started, and then the process returns to step S1.

  In step S205, the vehicle width light 7 is turned off by sending a signal to the vehicle body control device 3 via the vehicle width light wiring branch line 29 so that the vehicle width light lighting switch is turned off, and then the process goes to step S1. Return.

  In the above, the number of operations is counted by the keyless operation number counter in step S104 and the like. Moreover, although the vehicle width lamp 7 is turned on in step S108, the ECU 11 that performs this operation constitutes a first outdoor lamp lighting means. Similarly, the headlamp 9 is turned on in step S206, and the ECU 11 that performs this operation constitutes the second outdoor lamp lighting means. Further, the vehicle width lamp 7 is turned off in step S205. The ECU 11 that performs this operation constitutes a first outdoor lamp turning-off means. That is, each means is comprised by ECU11 which performs the process according to the installed software.

  In this control, the vehicle width lamp 7 is first turned on by the first keyless operation of the predetermined number a, and then the headlamp 9 is also turned on by the keyless operation of the subsequent predetermined number of times b. As in the case where the headlamp 9 is turned on, light having a high luminous intensity does not suddenly enter the user's eyes and is gentle to the user's eyes.

  Also, since the preliminary operation is to turn on the vehicle width lamp 7 by the first keyless operation of the predetermined number a, it is easy for the user to recognize the number of operations by confirming the lighting of the vehicle width lamp 7, thereby It is possible to prevent mistakes.

  The vehicle width lamp 7 is turned off in a predetermined case when the keyless operation is less than the predetermined number b within a predetermined time B after the vehicle width light 7 is turned on, the previous operation is performed by the user on the portable device. This is because it is expected that the vehicle width lamp 7 and the headlamp 9 do not need to be turned on due to a mistake, and when the engine is started and the door is open, the vehicle is no longer in the vehicle. This is because it is considered unnecessary to illuminate the approach. As a result, unnecessary battery consumption can be avoided.

  In step S4, it is determined whether or not the state of the vehicle is state 2, that is, whether or not the vehicle width lamp 7 is lit and the headlamp 9 is lit. The process proceeds to step S300, and if NO, the process returns to step S1.

  In state 2, when a predetermined time C (for example, 37 seconds) has elapsed since the headlamp 9 was turned on, when the engine is started, when any door is open, and when the predetermined time D In any case where the keyless operation is performed a predetermined number of times c (for example, twice) within 5 seconds (for example, 5 seconds), the vehicle width lamp 7 is turned off and the headlamp 9 is also turned off ( The following state 0) is obtained. Hereinafter, the control will be described with reference to FIG.

  In step S301 following step S300, it is determined whether or not the predetermined time C has elapsed for the third timer. If YES, the process proceeds to step S312 and if NO, the process proceeds to S302.

  In step S302, it is determined whether or not the key switch and the accessory switch are on. If YES, the process proceeds to step S312 and if NO, the process proceeds to S303.

  In step S303, it is determined whether or not any of the doors is open. If YES, the process proceeds to step S312 and if NO, the process proceeds to S304.

  In step S304, it is determined whether a keyless mask timer has passed a predetermined keyless mask time (for example, 1 second). If YES, the process proceeds to step S305, and if NO, the process returns to S1.

  In step S305, it is determined whether or not the fourth timer is operating. If YES, the process proceeds to step S306, and if NO, the process proceeds to step S307.

  In step S307, it is determined whether or not a keyless operation has been performed. If YES, the process proceeds to step S308, and if NO, the process returns to S1.

  In step S308, the number of operations is counted by a keyless operation number counter, and it is determined whether or not it is one. If YES, the process proceeds to step S311. If NO, the process proceeds to S309.

  In step S311, the fourth timer is started, and then the process returns to step S1.

  In step S306, it is determined whether or not the fourth timer has passed the predetermined time D. If YES, the process proceeds to step S310, and if NO, the process proceeds to S307.

  In step S310, the keyless operation frequency counter is cleared, that is, the keyless operation frequency is set to 0, the fourth timer is stopped, and then the process returns to step S1.

  In step S309, it is determined whether or not the number of keyless operations is a predetermined number c. If YES, the process proceeds to step S312. If NO, the process returns to S1.

  In step S312, the vehicle width light 7 is turned off by sending a signal to the vehicle body control device 3 via the vehicle width light wiring branch line 29 so that the vehicle width light lighting switch is turned off, and the headlight is turned on. The headlamp 9 is turned off by sending a signal to the vehicle body control device 3 via the headlamp wiring branch line 31 so that the switch is turned off, and then the process returns to step S1.

  In this control, after the number of operations of the keyless remote controller 2 reaches the predetermined number b, the measurement of the number of operations is stopped for a certain keyless mask time. Even when the remote controller 2 is operated, it is possible to prevent the vehicle width lamp 7 and the headlamp 9 from being turned off.

  If the vehicle width lamp 7 and the headlamp 9 are turned off in a predetermined case, when a predetermined time C has elapsed since the headlamp 9 was turned on, it is sufficient time for a letter tube to illuminate the approach to the vehicle. This is because it is considered that it is no longer necessary to illuminate the approach to the vehicle when the engine is started and when the door is open. This is because when it is performed twice, it is based on the user's will. As a result, unnecessary battery consumption can be avoided.

(Embodiment 2)
The lighting system A of the second embodiment is substantially the same as that of the first embodiment, but the battery width mode 7 and the headlamp 9 are turned on by operating the lighting switch 1 in the battery save mode. When the door is locked by a keyless operation, it is possible to switch the mode in which the energization to the vehicle width lamp 7 and the headlamp 9 is cut off. The ECU 11 is configured to be able to determine the mode state information.

  The processing operation of the ECU 11 will be described.

  In the state 0, when the lighting system A is in the battery saving mode (power saving mode), the vehicle width lamp 7 and the headlamp 9 cannot be turned on even if the keyless operation is performed. When the keyless operation is performed a predetermined number of times a (for example, twice) within a predetermined time A (for example, 3 seconds) only when 7 is not lit, the vehicle width lamp 7 is turned on and the headlamp 9 is turned off. State (state 1 below). The control will be described below with reference to FIG.

  In step S151 following step S100, it is determined whether or not the battery save mode is set. If YES, the process proceeds to step S152. If NO, the process proceeds to S101.

  In step S152, it is determined whether any door is open. If YES, the process returns to step S1, and if NO, the process proceeds to S153.

  In step S153, it is determined whether or not a key is inserted. If YES, the process returns to step S1, and if NO, the process proceeds to S154.

  In step S154, after canceling the determination of the battery save mode, the process proceeds to step S101.

  In step S101, it is determined whether or not the first timer is operating. If YES, the process proceeds to step S102, and if NO, the process proceeds to step S103.

  In step S103, it is determined whether or not a keyless operation has been performed. If YES, the process proceeds to step S104. If NO, the process returns to S1.

  In step S104, the number of operations is counted by the keyless operation number counter, and it is determined whether or not it is one. If YES, the process proceeds to step S155, and if NO, the process proceeds to S105.

  In step S155, it is determined whether or not the headlamp 9 is lit after a certain time (for example, 150 msec) before the keyless operation. If YES, the process proceeds to step S156. If NO, the process proceeds to S107. move on.

  In step S156, after determining with battery saving mode, it returns to step S1.

  In step S107, the first timer is started, and then the process returns to step S1.

  In step S102, it is determined whether or not the predetermined time A has elapsed in the first timer. If YES, the process proceeds to step S106, and if NO, the process proceeds to S103.

  In step S106, the keyless operation frequency counter is cleared, that is, the keyless operation frequency is set to 0, the first timer is stopped, and then the process returns to step S1.

  In step S105, it is determined whether or not the number of keyless operations is a predetermined number a. If YES, the process proceeds to step S108, and if NO, the process returns to S1.

  In step S108, the vehicle width light 7 is turned on by sending a signal to the vehicle body control device 3 via the vehicle width light wiring branch line 29 so that the vehicle width light lighting switch is turned on, and the second timer is turned on. Start and then return to step S1.

  The control in the state 1 and the state 2 is the same as that in the first embodiment.

  In this control, when the vehicle is in the battery saving mode, the lighting operation of the vehicle width lamp 7 and the headlamp 9 by the keyless operation is not performed, so that the battery is gentle and conforms to the battery saving mode of the vehicle. Can do. Further, since the lighting operation of the vehicle width lamp 7 and the headlamp 9 by the keyless operation is not performed, the user can confirm that the vehicle is in the battery saving mode.

(Other embodiments)
In Embodiments 1 and 2, the keyless remote controller 2 has two buttons, a door lock button and a door unlock button. However, the present invention is not limited to this, and each time the keyless remote control 2 is pressed, You may have a single button which transmits a door unlock signal alternately. In this case, the sum of the predetermined number a and the predetermined number b is preferably an odd number. Since the control for irradiating the vehicle width lamp 7 and the headlamp 9 with the approach is normally started in a door-locked state, if the sum of the predetermined number a and the predetermined number b is set to an odd number, the headlamp 9 The door can be unlocked with lighting.

  Further, a photo sensor for detecting the brightness outside the vehicle is connected to or built in the ECU 11, and when the outside of the vehicle is brighter than a predetermined brightness, the lighting control of the vehicle width lamp 7 and the headlamp 9 by the operation of the keyless remote controller 2 is performed. It may not be performed.

  INDUSTRIAL APPLICABILITY The present invention is useful for a lighting control device for an outdoor lamp of an automobile and a lighting control method using the same.

It is a figure which shows the structure of the illumination system of Embodiment 1. FIG. 3 is a flowchart illustrating a processing operation performed by the ECU according to the first embodiment. It is a flowchart which shows in detail the processing operation by ECU at the time of making the vehicle width lamp of Embodiment 1 light. It is a flowchart which shows the processing operation by ECU at the time of lighting the headlamp of Embodiment 1 in detail. It is a flowchart which shows the processing operation by ECU at the time of turning off the vehicle width lamp and the headlamp of Embodiment 1 in detail. It is a flowchart which shows the processing operation by ECU at the time of lighting the vehicle width lamp of Embodiment 2 in detail.

Explanation of symbols

2 Keyless remote control (mobile device)
7 Vehicle width light (1st outdoor light)
9 Headlight (second outdoor light)
11 ECU (lighting control device)

Claims (4)

A lighting control device that performs lighting control of the first and second outdoor lamps of an automobile having a first outdoor lamp that emits light having relatively low luminous intensity and a second outdoor lamp that emits light having relatively high luminous intensity. And
An operation frequency measuring means for measuring the number of times of reception of a signal transmitted by the operation of a portable device outside the vehicle as the operation frequency;
First outdoor lamp lighting means for lighting the first outdoor lamp when the number of operations measured by the operation count measuring means reaches a first predetermined number;
After the first outdoor lamp lighting means turns on the first outdoor lamp, the second outdoor lamp is turned on when the number of operations measured by the operation number measuring means reaches a second predetermined number of times. Lamp lighting means,
A lighting control device comprising: In the lighting control device according to claim 1,
After the first outdoor lamp lighting means turns on the first outdoor lamp, the first outdoor lamp is turned on when the number of operations measured by the operation frequency measuring means within a predetermined time is less than the second predetermined number of times. A lighting control device further comprising a first outdoor lamp turn-off means for turning off the light. A method of performing lighting control of the first and second outdoor lamps of an automobile having a first outdoor lamp that emits light having relatively low luminous intensity and a second outdoor lamp that emits light having relatively high luminous intensity,
Measure the number of receptions of signals sent by operating portable devices outside the vehicle as the number of operations,
Turning on the first outdoor lamp when the measured number of operations reaches a first predetermined number of times;
A lighting control method characterized in that after the first outdoor lamp is turned on, the second outdoor lamp is turned on when the measured number of operations reaches a second predetermined number of times. In the lighting control method according to claim 3,
The signal transmitted from the portable device outside the vehicle is both a door lock signal and a door unlock signal, and the sum of the first predetermined number of times and the second predetermined number of times is an odd number of times. Control method.

Images