JP2016135631A - Cabin luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow an occupant to easily recognize that, a lighting color of a luminaire can be changed.SOLUTION: The invention is configured so that, when a switch 39a of ceiling luminaires 33, 35 is turned on, during stop of a vehicle 1, or when an event of lighting both ceiling luminaires 33, 35, occurs other than during stop of the vehicle, if a lighting color is not designated by an operation of a color designation switch 39b, the ceiling luminaires 33, 35 are lighted with the lighting color which is determined by a controller 37 based on at least one of a current date, time, weather and temperature. Therefore, even when an occupant of the vehicle 1 does not designate the lighting color of the ceiling luminaires 33, 35 by the operation of the color designation switch 39b, or, even when the occupant does not know in advance, the fact that, the lighting color of the ceiling luminaires 33, 35 can be changed by the operation of the color designation switch 39b, it is possible to allow the occupant to easily recognize that, the lighting color of the ceiling luminaires 33, 35 can be changed.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an interior lighting device that illuminates the interior of a vehicle.

  Illumination for illuminating the interior of the vehicle is provided in the vehicle. There have been proposals for changing the lighting color of the interior lighting (for example, Patent Documents 1 and 2).

JP 2005-193804 A Special table 2003-525799 gazette

  By the way, it is not always true that the passenger knows in advance that the lighting color of the vehicle illumination will change. In some cases, the occupant may notice that the lighting color changes only after the lighting color actually changes. In addition, if the occupant does not know that the lighting color is not fixed, even if there is a function that allows the occupant to choose the lighting color of the lighting, the occupant can use that function to turn on the lighting to their favorite color. I can't expect to change the color.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle interior lighting device that allows a passenger to easily recognize that the lighting color of illumination can be changed.

In order to achieve the object, the interior lighting device of the present invention described in claim 1 includes:
In an interior lighting device that illuminates the interior of a vehicle,
With the establishment of the trigger condition in the vehicle, a lighting color determination unit that determines the lighting color of the indoor lighting that illuminates the room;
A lighting control unit for lighting the room lighting with the lighting color determined by the lighting color determining unit when the lighting condition of the room lighting is established;
It is characterized by providing.

  According to the interior lighting device of the present invention described in claim 1, when the lighting condition is satisfied and the room lighting is turned on, the room lighting is turned on with the lighting color determined when the immediately preceding trigger condition is satisfied. . Therefore, even if the occupant does not perform an operation to change the lighting color of the interior lighting, or even if the occupant does not know in advance that the lighting color can be changed, the lighting color of the interior lighting is changed to change the lighting color. The passenger can easily recognize that it can be changed.

  In addition, like the interior lighting device of the present invention described in claim 2, in the interior lighting device of the present invention described in claim 1, the lighting color determination unit includes a date, a time when the trigger condition is satisfied, The lighting color may be determined based on at least one of weather and temperature.

  According to a third aspect of the present invention, there is provided the interior lighting device according to the first aspect of the present invention, wherein the trigger condition is satisfied while the vehicle is stopped. .

  According to the interior lighting device of the present invention described in claim 3, in the interior lighting device of the present invention described in claim 1 or 2, since the trigger condition is not satisfied while the vehicle is running, the lighting color of the interior illumination Is not determined to be a new color while the vehicle is running.

  For this reason, it is possible to prevent the driver's safe driving operation from being hindered by an unexpected change in the lighting color during traveling by preventing the lighting color of the room lighting from changing while the vehicle is traveling.

  According to the present invention, the occupant can easily recognize that the lighting color of the illumination can be changed.

It is explanatory drawing which shows arrangement | positioning of the vehicle interior illuminating device which concerns on one Embodiment of this invention. It is explanatory drawing which shows typically schematic structure of the lighting control system of the reading lamp and ceiling illumination shown in FIG. It is a timing chart which shows the event by which a ceiling illumination is lighted while the vehicle of FIG. 1 stops, and its lighting and light extinction timing. It is a flowchart which shows the procedure of the lighting control of the reading light of FIG. 1 and ceiling lighting which the CPU of the controller of FIG. 2 performs according to the program memorize | stored in ROM.

  Hereinafter, an embodiment of an interior lighting device according to the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing the arrangement of an interior lighting device according to an embodiment of the present invention.

  As shown in FIG. 1, the vehicle 1 is provided with map lamps 21 and 23 corresponding to the driver's seat 3 and the passenger seat 5 at the front center of a roof flyer (not shown) in the vehicle. Further, in the rear passenger compartment 2 of the vehicle 1 located behind the driver's seat 3 and the passenger seat 5 (corresponding to a room in the claims), reading lights 25 to 31 and ceiling lights 33 and 35 (in the claims) (Corresponding to room lighting) are provided on both the left and right sides of the roof flyer (not shown). The reading lamps 25 to 31 and the ceiling lights 33 and 35 and their lighting control system constitute an interior lighting device according to an embodiment of the present invention.

  Each of the reading lights 25 to 31 illuminates the second row and third row seats 7, 9, and 11 (however, the third row seat 11 illuminates seats at both ends of a three-seater seat). In the present embodiment, each of the reading lamps 25 to 31 is configured by an LED that is lit with a predetermined lighting color, and is configured so that the light emission brightness can be changed.

  The ceiling lights 33 and 35 are rod-shaped light guides 33a and 35a that are linearly arranged along the left and right sides of the roof flyer (not shown), and light is incident on the inside from the front and rear ends of the light guides 33a and 35a. Light sources 33b and 35b. Each of the light sources 33b and 35b is composed of three LED chips of RGB, and is configured to be able to change the lighting color and light emission brightness.

  FIG. 2 is an explanatory diagram schematically showing a schematic configuration of the lighting control system of the reading lamps 25 to 31 and the ceiling lights 33 and 35. As shown in FIG. 2, each of the reading lights 25 to 31 is connected to a controller via a signal wiring S such as an in-vehicle LAN arranged around the ceiling of the vehicle 1 together with switches 25 a to 31 a arranged in the vicinity thereof. 37. The light sources 33b and 35b of the ceiling lights 33 and 35 are also connected to the controller 37 via the signal wiring S. The controller 37 is also connected with a switch 39 a and a color designation switch 39 b of the ceiling lights 33 and 35 through a signal wiring S.

  The controller 37 causes the reading lights 25 to 31 to emit light with brightness according to the operation of the corresponding switches 25a to 31a. In addition, the controller 37 causes both ceiling lights 33 and 35 to emit light with the brightness according to the operation of the switch 39a and the lighting color according to the operation of the color designation switch 39b. Further, the controller 37 turns on the ceiling lights 33 and 35 with the lighting color determined by the controller 37 when the lighting color is not designated in the operation of the color designation switch 39b.

  Here, the controller 37 determines the lighting colors of the ceiling lights 33 and 35 each time when the ceiling lights 33 and 35 are turned on according to an event that occurs while the vehicle 1 is stopped. FIG. 3 is a timing chart showing an event in which the ceiling lights 33 and 35 are turned on while the vehicle 1 is stopped, and lighting and extinguishing timings thereof.

  As shown in FIG. 3, the ceiling lights 33 and 35 detect that an occupant (user) having a keyless entry wireless transmitter (not shown) approaches the vehicle 1 (“the user approaches”). ) And then turn on for 15 seconds. The ceiling lights 33 and 35 are lit for 15 seconds even when the door (not shown) is not opened when the door is unlocked by the wireless transmitter.

  Furthermore, when the door (not shown) is opened along with the door unlocking operation by the radio transmitter, the ceiling lights 33 and 35 are closed until the ignition switch (not shown) is turned on after the boarding. Illuminated.

  Further, the ceiling lights 33 and 35 are lit for 15 seconds after the vehicle 1 finishes running and an unillustrated ignition switch is turned off. Furthermore, the ceiling lights 33 and 35 are turned on when a door (not shown) is opened, and then turned off when the door is closed and a door is locked by a wireless transmitter.

  When each event occurs while the vehicle 1 is stopped as described above, the ceiling lights 33 and 35 are lit in the lighting color designated by the operation of the color designation switch 39b. However, if the lighting color is not designated, the lighting color is determined by the controller 37, and the ceiling lights 33 and 35 are lit with the lighting color.

  Note that the controller 37 can determine the lighting color of the ceiling lights 33 and 35 based on at least one of the current date, time, weather, and temperature, for example. Therefore, the controller 37 is connected with a weather sensor 41 that detects the weather with a sunshine sensor, a humidity sensor, and the like, and a temperature sensor 43 that detects the outside air temperature.

  In addition, a shift range signal indicating the shift range of the vehicle 1 and an IGN signal indicating the position of an ignition switch (not shown) are input to the controller 37 described above via a vehicle LAN (not shown) at regular intervals. . Further, a door lock signal and a door unlock signal from a radio transmitter (not shown) are also input at regular intervals from a receiving unit (not shown) of those signals.

  Note that a parking brake signal indicating on / off of the parking brake may be input as a signal for determining the traveling state of the vehicle 1 instead of the shift range signal or the IGN signal or together with these signals. Based on these signals and the operation states of the switches 25a to 31a of the reading lamps 25 to 31 and the switches 39a and 39b of the ceiling lights 33 and 35 described above, the controller 37 controls the reading lamps 25 to 31 and the ceiling. The lighting of the lights 33 and 35 is controlled.

  For this purpose, the controller 37 has a CPU, a RAM, a ROM, etc. (all not shown). And according to the program stored in ROM, CPU controls lighting of the light sources 33b and 35b of each reading lamps 25-31 and the ceiling lights 33 and 35 using RAM as a work area.

  Next, referring to the flowchart of FIG. 4, the procedure of lighting control of the reading lamps 25 to 31 and the light sources 33 b and 35 b of the ceiling lights 33 and 35 executed by the CPU of the controller 37 according to the program stored in the ROM. I will explain. The CPU repeatedly executes the control of the procedure shown in the flowchart of FIG. 4 at predetermined intervals.

  First, the CPU confirms whether or not the switches 25a to 31a corresponding to any of the reading lamps 25 to 31 are on (step S1), and if all of the switches 25a to 31a are not on (in step S1). NO), the process proceeds to step S5 described later.

  When at least one of the switches 25a to 31a is on (YES in step S1), the CPU switches the reading lamps 25 to 31 corresponding to the switches 25a to 31a that are on to the operation state of the switches 25a to 31a. The lighting is performed with the corresponding brightness (step S3), and the process proceeds to step S5.

  In step S5, the CPU checks whether or not the switch 39a of the ceiling lights 33 and 35 is on. If it is on (YES in step S5), the CPU proceeds to step S9 described later.

  When the switch 39a of the ceiling lights 33 and 35 is not on (NO in step S5), the CPU performs an event for lighting the ceiling lights 33 and 35 other than the switch 39a being turned on, which has been described with reference to FIG. It is confirmed whether or not it has occurred (step S7).

  If there is no event for lighting the ceiling lights 33, 35 other than the switch 39a being turned on (NO in step S7), the series of processing is terminated, and if an event occurs (YES in step S7), step The process proceeds to S9.

  In step S9, the CPU checks whether or not the lighting color of the ceiling lights 33 and 35 is designated by operating the color designation switch 39b. If so (YES in step S9), the CPU designates After the both ceiling lights 33 and 35 are lit with the lit lighting color (step S11), the series of processes is terminated.

  On the other hand, when the lighting color of the ceiling lights 33 and 35 is not designated by the operation of the color designation switch 39b (NO in step S9), the CPU 1 is traveling based on the contents of the shift range signal, the IGN signal, and the like. Or whether the vehicle is stopped (step S13).

  If the vehicle 1 is traveling (YES in step S13), the ceiling lights 33 and 35 are turned on with the most recently determined lighting color (step S15), and then the series of processes is terminated. When the vehicle 1 is stopped (NO in step S13), the CPU determines the lighting color of the ceiling lights 33 and 35 based on at least one of the current day, time, weather, and temperature. Then (step S17), after lighting both ceiling lights 33 and 35 with the determined lighting color (step S19), a series of processing is terminated.

  Here, the current date and time are managed inside the CPU of the controller 37. The controller 37 determines the weather and temperature based on the detection results of the weather sensor 41 and the temperature sensor 43. And the lighting color of the both ceiling lights 33 and 35 determined based on at least one among the present day, time, weather, and temperature can be as follows, for example.

  First, when based on the current date, for example, the lighting color can be determined depending on whether the date belongs to January to March, April to June, July to September, or October to December. In the first to third months, the lighting color is determined at random from citrus colors (light yellow, orange, etc.). In April to June, the lighting color is determined at random from green colors. In July-September, the lighting color is randomly determined from the blue colors. Furthermore, if it is October to December, the lighting color is determined at random from among the warm colors (red).

  Further, when based on time, for example, a warm color system (sunshine time = long) or a cool color system (sunshine time = short) is assigned to the average length of sunshine hours at that time, and is determined at random. .

  Further, when based on the weather, for example, a warm color system is assigned to fine weather, and a cold color system is assigned to stormy weather, and is determined at random.

  Further, when the temperature is based, for example, if the temperature is 10 degrees Celsius or less, the lighting color is determined at random from among the warm colors (warm colors). If the temperature exceeds 10 degrees Celsius and is 20 degrees Celsius or less, the lighting color is determined at random from light yellowish colors. Further, if the temperature exceeds 20 degrees Celsius and is not more than 25 degrees Celsius, the lighting color is determined at random from the light green colors. If the temperature exceeds 25 degrees Celsius and is not more than 30 degrees Celsius, the lighting color is randomly determined from light blue colors. Further, if the temperature exceeds 30 degrees Celsius, the lighting color is determined at random from the dark blue color.

  As is clear from the above description, in the present embodiment, in step S13 of the flowchart of FIG. 4 performed by the CPU of the controller 37, when the vehicle 1 is not traveling (NO), the trigger condition in the claims is satisfied. To do. Further, in the present embodiment, the lighting condition in the claims is established when the lighting color is not designated by the operation of the color designation switch 39b in step S9 in FIG. 4 (NO).

  As described above, in the present embodiment, when the vehicle 39 is stopped, the switch 39a of the ceiling lights 33 and 35 is turned on, or in addition, an event for lighting both the ceiling lights 33 and 35 occurs. If the lighting color is not designated by the operation of the color designation switch 39b, the ceiling lights 33 and 35 are lit with the lighting color determined by the controller 37 based on at least one of the current day, time, weather, and temperature. The configuration is as follows.

  Therefore, the passenger of the vehicle 1 does not specify the lighting color of the ceiling lights 33 and 35 by operating the color specifying switch 39b, or changes the lighting color of the ceiling lights 33 and 35 by operating the color specifying switch 39b. Even without knowing in advance, the passenger can easily recognize that the lighting color of the ceiling lights 33 and 35 can be changed.

  Even when the ceiling lights 33 and 35 are turned on while the vehicle 1 is traveling, the controller 37 determines the lighting color of the ceiling lights 33 and 35 if the lighting color is not designated by the operation of the color designation switch 39b. It is good also as a structure.

  However, when the ceiling lights 33 and 35 are turned on while the vehicle 1 is traveling as in the present embodiment, even if the lighting color is not designated by the operation of the color designation switch 39b, If the lighting color is not determined, the lighting colors of the ceiling lights 33 and 35 are not unexpectedly changed during the traveling of the vehicle 1. For this reason, it is possible to prevent troubles in the safe driving operation of the driver, which is advantageous.

  In the present embodiment, the objects whose lighting color changes are the ceiling lights 33 and 35, but the map lamps 21 and 23 and the reading lamps 25 to 31 are also included in the objects whose lighting color changes, and the present invention can be applied. Good.

  INDUSTRIAL APPLICABILITY The present invention is extremely useful when it is possible to change the lighting color of room lighting that illuminates the interior of a vehicle.

1 Vehicle 2 Rear compartment (indoor)
3 Driver's seat 5 Passenger seat 7, 9, 11 Seat 21, 23 Map lamp 25-31 Reading light 25a-31a, 39a Switch 33, 35 Ceiling lighting (indoor lighting)
33a, 35a Light guide 33b, 35b Light source 37 Controller 39b Color designation switch S Signal wiring

Claims (3)

In an interior lighting device that illuminates the interior of a vehicle,
With the establishment of the trigger condition in the vehicle, a lighting color determination unit that determines the lighting color of the indoor lighting that illuminates the room;
A lighting control unit for lighting the room lighting with the lighting color determined by the lighting color determining unit when the lighting condition of the room lighting is established;
An interior lighting device comprising:   The in-vehicle lighting device according to claim 1, wherein the lighting color determining unit determines the lighting color based on at least one of a date, a time, a weather, and a temperature when the trigger condition is satisfied.   The interior lighting device according to claim 1, wherein the trigger condition is satisfied while the vehicle is stopped.

Images