JP2019073098A - Cabin illumination control system and cabin illumination control method - Google Patents

Abstract

To stably achieve a relaxed state of an occupant who does not need a driving operation.SOLUTION: A cabin illumination control system 1 includes: a heart rate sensor 23 for measuring a heart rate of an occupant; one or more first light sources 31, 32, 46 for illuminating a cabin; a seat control device 2 for controlling the posture of a seat where the occupant is seated; and a light emission control device 2 for controlling a light emission state of the first light sources 31, 32, 46. The light emission control device 2 controls the light emission state of the first light sources 31, 32, 46 on the basis of the measurement values of the heart rate sensor 23 when the posture of a seat 3 is brought into a backward inclined state from a standard state.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle interior light control system and a vehicle interior light control method for controlling lighting in a vehicle interior of a car.

  In recent years, automatic driving technology has been developed that enables automatic driving without the need for driver operation. In principle, advanced automatic driving that does not require driver's response or complete automatic driving that does not require driver's response at all Is in the stage of practical use.

  According to such an automatic driving technology, it is possible for the passenger to spend leisure time freely without worrying about the driving operation, so a technology for relaxing the passenger during automatic driving has been developed. . For example, in the automatic operation, the displacement amount of the relative movement between each part of the seat in the automatic operation state is allowed to a wider range than in the manual operation, and the seat cushion and the seat back move relatively. There is known a vehicle seat capable of displacing a driver's seat to a full flat reclined state (see Patent Document 1).

Unexamined-Japanese-Patent No. 2017-170942

  According to the prior art described in Patent Document 1 described above, it is possible to realize a posture for relaxing a passenger who is seated on a seat during automatic driving. However, as a result of intensive studies by the inventor of the present application, it is important not only to change the posture of the passenger but also to appropriately control the lighting in the passenger compartment in order to stably realize the relaxation state of the passenger. I found out.

  It should be noted that the technology for stably achieving the relaxation state of the passenger during such automatic driving is a passenger other than the driver in a conventional vehicle that requires a driving operation of a person (that is, driving is required). Not useful for passengers).

  In view of the above background, the present invention provides a cabin lighting control system and a cabin lighting control method capable of stably realizing a relaxed state of a passenger not requiring a driving operation. It will be an issue.

  In order to solve the above-mentioned problems, one aspect of the present invention is a lighting control system (1) for a passenger compartment for controlling lighting in a passenger compartment of a motor vehicle, wherein a heartbeat sensor ( 23), one or more first light sources (31, 32, 46) for illuminating the passenger compartment, and a seat control device (2) for controlling the attitude of the seat (3) on which the passenger is seated; (1) A light emission control device (2) for controlling the light emission state of the light source, wherein the light emission control device is configured such that the posture of the sheet is inclined backward from the standard state by control of the sheet control device. The light emission state of the first light source is controlled based on the measurement value of the heart rate sensor.

  According to this aspect, it is possible to control the light emission state of the first light source so as to relax the passenger based on the measurement value of the heart rate sensor while making the seat on which the passenger who does not require driving operation sit down Because it is possible, it becomes possible to realize the relaxation state of the passenger stably.

  In the above aspect, the seat control apparatus further comprises a body pressure sensor (24) provided on the seat and measuring a pressure caused by seating of the passenger, and the seat control device determines the posture of the seat based on the measurement result by the body pressure sensor. Control the

  According to this aspect, it is possible to estimate the physical characteristics (for example, the body shape and the weight) of the passenger based on the measurement result by the body pressure sensor. This can be realized appropriately according to the physical characteristics of the passenger.

  In the above aspect, at least one of the first light sources may be provided on a passenger door (30) adjacent to the seat.

  According to this aspect, even when there are a plurality of passengers in the passenger compartment, the vicinity of the target passenger can be effectively illuminated, so it is possible to realize the relaxation state individually.

  In the above aspect, at least one of the first light sources may be provided on a floor located in front of the sheet.

  According to this aspect, even when there are a plurality of passengers in the passenger compartment, the vicinity of the target passenger can be effectively illuminated, so it is possible to realize the relaxation state individually.

  In the above aspect, when the heart rate based on the measurement value of the heart rate sensor in the sitting state of the passenger is less than a predetermined threshold, the light emission control device performs the first light emission with the first light source as a standard color. The first light source may be controlled to emit light with a second emission color different from the first emission color when emitting light with a color and when the heart rate in the sitting state of the passenger is equal to or more than the threshold .

  According to this aspect, when the heart rate of the passenger is equal to or higher than the predetermined threshold (that is, when the passenger is not in a relaxed state), control is performed so that the second emission color for relaxing the passenger is emitted. Therefore, it is possible to avoid giving a sense of discomfort to a passenger in a relaxed state by useless change of the emission color (standard color) of the first light source.

  In the above aspect, the light emission control device causes the first light source to emit light with a third emission color different from the first and second emission colors before the passenger is seated on the seat. It is good to control.

  According to this aspect, before the passenger is seated, the periphery of the passenger can be more easily viewed than the first light emission color that is the standard color or the second light emission color for relaxing the passenger. It is possible to emit light with a third emission color that gives priority to.

  In the above aspect, the light emission control device may interrupt control of the light emission state of the first light source during operation of the sheet under control of the sheet control device.

  According to this aspect, in controlling the light emission state of the first light source, it is possible to eliminate the influence of the operation of the seat on the passenger's heartbeat.

  In the above aspect, the light emission control device further includes one or more second light sources (37) for illuminating the vehicle interior, and the light emission control device determines the light emission state of the second light source based on the state of the passenger regarding seating of the seat. It is good to control.

  According to this aspect, it is possible to appropriately illuminate the vehicle interior by the second light source, separately from the light emission control by the first light source for relaxing the target passenger.

  In the above aspect, at least one of the first light sources may be provided on a ceiling (44) in the vehicle compartment.

  According to this aspect, the vehicle interior can be widely illuminated with a simple configuration.

  In the above aspect, when the attitude of the sheet is in the standard state, the light emission control device causes the second light source to emit light at a first brightness which is a standard brightness, and the attitude of the sheet is When in the backward tilt state, the second light source may be controlled to emit light at a second brightness that is darker than the first brightness.

  According to this aspect, it is possible to secure the visibility in the passenger compartment by the light emission of the second light source while preventing the adverse effect of the light emission of the second light source on the relaxation state of the passenger.

  In the above aspect, the light emission control device may control the second light source to emit light at a third brightness brighter than the second brightness before the passenger is seated on the seat.

  According to this aspect, before the passenger is seated, it is easier to visually recognize the periphery of the passenger than the first brightness which is the standard brightness or the second brightness for relaxing the passenger. It is possible to emit light at the third brightness which gives priority to.

  Further, in order to solve the above-mentioned problems, one aspect of the present invention is a lighting control method for a passenger compartment for illuminating a passenger compartment of a car with one or more first light sources, which is based on seating of a passenger on a seat. A body pressure measurement step of measuring a pressure, a heart beat measurement step of measuring a heart beat of the passenger, a seat posture control step of controlling a posture of the seat, and a light emission control step of controlling a light emission state of the first light source; In the light emission control step, the light emission state of the first light source is controlled based on the measurement value of the heartbeat when the posture of the sheet is changed from the standard state to the backward state in the sheet posture control step. It is characterized by

  According to this aspect, it is possible to control the light emission state of the first light source so as to relax the passenger based on the measurement value of the heart rate sensor while making the seat on which the passenger who does not require driving operation sit down Because it is possible, it becomes possible to realize the relaxation state of the passenger stably.

  According to one aspect of the present invention, the light emission state of the first light source is controlled so as to relax the passenger based on the measurement value of the heartbeat sensor while setting the seat on which the passenger who does not require driving operation is seated backwards It is possible to stably realize the relaxation state of the passenger.

  According to the aspect, the seat control apparatus further includes a body pressure sensor provided on the seat and measuring a pressure caused by the seating of the passenger, and the seat control device controls an attitude of the seat based on a measurement result by the body pressure sensor. Since it is possible to estimate the physical characteristics (for example, body shape and weight) of the passenger based on the measurement results by the body pressure sensor, the seat's backward tilt condition for relaxing the passenger is determined by the physical condition of the passenger. It becomes possible to implement appropriately according to the feature.

  According to the aspect in which at least one of the first light sources is provided on the passenger door adjacent to the seat, even in the case where there are a plurality of passengers in the passenger compartment, the vicinity of the target passenger is effectively illuminated Because it becomes possible, it becomes possible to realize the relaxation state individually.

  The light emission control device causes the first light source to emit light in a first light emission color that is a standard color when the heart rate based on the measurement value of the heart rate sensor in the sitting state of the passenger is less than a predetermined threshold. According to the aspect of controlling the first light source to emit light with a second emission color different from the first emission color when the heart rate in the sitting state of the passenger is equal to or more than the threshold value, The second emission color for relaxing the passenger can be controlled to emit light when the heart rate of the person is above the predetermined threshold (ie, when the passenger is not in a relaxed state), Unnecessary change of the light emission color (standard color) of one light source can avoid giving discomfort to a passenger in a relaxed state.

  The light emission control device controls the first light source to emit light with a third emission color different from the first and second emission colors before the passenger is seated on the seat. For example, prior to the seating of the passenger, priority is given to making the surroundings of the passenger easier to view than the first light emission color, which is a standard color, and the second light emission color for relaxing the passenger. It becomes possible to emit light with the light emission color of 3.

  According to the aspect in which the light emission control device interrupts the control of the light emission state of the first light source during the operation of the sheet by the control of the sheet control device, the operation of the sheet in controlling the light emission state of the first light source It is possible to eliminate the influence of the

According to the aspect of the invention, the light emission control device further includes one or more second light sources for illuminating the vehicle interior, and the light emission control device controls the light emission state of the second light source based on the state of the passenger regarding seating of the seat. In addition to the light emission control by the first light source for relaxing the passenger, the vehicle interior can be appropriately illuminated by the second light source.

  According to the aspect in which at least one of the first light sources is provided on the ceiling portion of the vehicle interior, the vehicle interior can be widely illuminated with a simple configuration.

  When the attitude of the sheet is in the standard state, the light emission control device causes the second light source to emit light at a first brightness which is the standard brightness, and the attitude of the sheet is inclined in the backward state. In some cases, according to the aspect of controlling the second light source to emit light at a second brightness that is darker than the first brightness, it is possible to prevent an adverse effect on the relaxation state of the passenger due to the light emission of the second light source. In addition, the light emission of the second light source can ensure the visibility in the vehicle compartment.

  According to the aspect, the light emission control device controls the second light source to emit light at a third brightness brighter than the second brightness before the passenger is seated on the seat. Before sitting down, the first brightness, which is the standard brightness, and the third brightness, which prioritizes making the area around the passenger easier to see than the second brightness for relaxing the passenger. It becomes possible to make it emit light.

The block diagram which shows the outline of the lighting control system for passenger compartments which concerns on embodiment Functional block diagram of lighting control system for cabin Flow chart showing the flow of lighting control processing by the lighting control system for a passenger compartment Explanatory drawing which shows the outline of the lighting control processing by the lighting control system for passenger compartments

  Hereinafter, with reference to the drawings, an embodiment in which a lighting control system for a passenger compartment and a lighting control method for a passenger compartment according to the present invention are applied to a vehicle will be described. In the following description, front, rear, left and right are determined based on the occupant seated on the seat. About the same structure provided by right and left pair, a common number is attached and description is abbreviate | omitted.

  As shown in FIG. 1, the passenger compartment illumination control system 1 is an ECU (Electronic Control Unit) as a control device (seat control device, light emission control device) mounted in an appropriate place of an automobile (only a main part is shown in FIG. 1). 2) and controls the posture of the seat 3 and the illumination in the passenger compartment based on the information from each sensor, as described in detail later, to relax the passenger (not shown) seated on the seat 3 (not shown). Leads to a relaxed state. The control of the attitude of the seat 3 and the illumination in the vehicle compartment can be performed not only by the ECU 2 but also by individual control devices that cooperate with each other.

  As shown in FIG. 1, the seat 3 has a seat cushion 11 provided on the floor 10 of the passenger compartment, and a seat back 12 rotatably provided at a rear end of the seat cushion at a desired angle. The seat back 12 is driven by a sheet drive device 13 incorporated in the seat 3. The seat 3 is an optional seat in the passenger compartment in the case of a self-driving car where the car does not require driver's response. In addition, when the car requires driver's response, the seat 3 is a passenger seat, a rear seat, etc. excluding the driver's seat.

  The seat 3 also has a headrest 14 provided at the upper end of the seatback 12 so as to be vertically movable, and an ottoman 15 rotatably provided at the front end of the seat cushion 11. The pivot axis of the seat back 12 with respect to the seat cushion 11 and the pivot axis of the ottoman 15 with respect to the seat cushion 11 extend in parallel in the left-right direction.

  The seat back 12 may be configured to include a seat back lower portion rotatably provided at the rear end of the seat cushion 11 and a seat back upper portion rotatably provided at the lower portion of the seat back.

  A pair of side covers 21 is provided on the left and right sides of the seat cushion 11. The rear upper ends of the left and right side covers 21 project upward and are positioned on the side of the seat back 12 to constitute the left and right arm rests 22, respectively.

  The armrest 22 on the left side is provided with a heartbeat sensor 23 that measures the heartbeat of the passenger by contacting the left arm of the seated passenger. However, as the heart rate sensor 23, other known sensors (for example, a wristwatch-type heart rate sensor capable of wirelessly communicating with the passenger compartment illumination control system 1) can be used as long as it can measure at least the heart rate of the passenger. As shown in FIG. 2, the heart rate sensor 23 is communicably connected to the ECU 2 and appropriately transmits a detection result (detection signal) to the ECU 2.

  Inside the seat cushion 11, a sheet-like body pressure sensor 24 disposed so as to face the seat surface 11a forming the upper surface from the inside is provided. As shown in FIG. 2, the body pressure sensor 24 is communicably connected to the ECU 2 and appropriately transmits a detection result (detection signal) to the ECU 2. The seating surface 11a of the seat cushion 11 can be configured to be inclined between an initial position extending substantially horizontally and an inclined position at which the front end moves upward with respect to the initial position.

  The body pressure sensor 24 can measure the magnitude and pressure distribution of the pressure applied to each part of the seating surface 11 a when the passenger is seated. The interior lighting control system 1 can estimate the physical characteristics (body size, weight, etc.) of the passenger based on the measurement results of the body pressure sensor 24. However, the body pressure sensor 24 is not limited to a sheet-like sensor, and other known body pressure sensors can be adopted as appropriate. For example, a configuration in which a plurality of body pressure sensors are arranged at predetermined intervals so as to correspond to the area of the seat 11a is also possible.

  In the seat 3, by providing the weight sensor 25 under the seat cushion 11, instead of the body pressure sensor 24 or in cooperation with the body pressure sensor 24, the physical characteristics (weight) of the passenger are estimated. It is also possible. As shown in FIG. 2, the weight sensor 25 is communicably connected to the ECU 2 and appropriately transmits a detection result (detection signal) to the ECU 2.

  In order to guide the passenger to a relaxed state (a relaxed state), the seat 3 changes from the standing posture (standard state) shown by a solid line in FIG. It is possible to displace. At this time, in the seat 3, the seat cushion 11 may be inclined backward and the ottoman 15 may be expanded upward by a known drive device.

  In the passenger compartment, a plurality of door lamps (first light sources) 31 and 32 for illuminating the passenger compartment (in particular, in the vicinity of the passenger) on the passenger door 30 adjacent to the seat 3 and positioned on the right thereof. Is provided. Here, the first door lamp 31 is provided along the armrest 33, and the second door lamp 32 is an edge of the window 34 provided in the door 30 (here, a part of the upper edge and the rear edge) Are arranged along. However, the number and arrangement of the door lamps can be appropriately changed without being limited to those shown here as long as at least the vicinity of the passenger can be illuminated.

  In addition, the armrest 33 of the door 30 has a first operation switch (SW) 41 for the rider to change the seat 3 to a backward posture (turn the seat back 12 backward), and a rider A second operation switch 42 is provided to change the seat 3 in the inclined position to the upright position. The second operation switch 42 is disposed rearward of the first operation switch 41, thereby facilitating the operation of the passenger seated on the seat 3 in the rearward inclined position.

  In addition, a room lamp (second light source) 45 is provided at a ceiling portion 44 of the vehicle interior. The room lamp 37 can illuminate the vehicle interior more widely than the door lamps 31 and 32. Furthermore, a floor lamp 46 extending in the front-rear direction is provided at the right end of the floor 10 in front of the seat 3. The floor lamp 46 can illuminate near the foot of the passenger.

  As the door lamps 31 and 32, the room lamp 45, and the floor lamp 46, as described later, as long as the light emission state (here, at least one of brightness and color) can be changed, an LED lamp, a liquid crystal panel, and A known lighting device such as an organic EL panel can be used. Moreover, although the example which controls the light emission state of the door lamps 31 and 32, the room lamp 45, and the floor lamp 46 uniformly here is shown, one part of those lamps is abbreviate | omitted, or each light emission state is It is also possible to control individually.

  As shown in FIG. 2, the ECU (sheet control device, light emission control device) 2 operates the sheet drive device 13 (that is, the attitude of the seat 3) and the lamps 31, 32, 45, based on a predetermined control program. A processor 51 for controlling the illumination 46, a memory 52 for storing programs and various data required for control executed by the processor 51, and an input / output interface (I / F) 53 are provided. The input / output interface 53 receives an input of detection signals from the sensors 23-25, an input of operation signals from the operation switches 41 and 42, and an output of control signals to the sheet driving device 13 and the lamps 31, 32, 45, and 46. And the like, including an input circuit and an output circuit for respectively performing

  According to the lighting control system 1 for a passenger compartment, the door lamp is configured to relax the passenger based on the measurement value of the heartbeat sensor 23 while making the seat 3 on which the passenger who does not require the driving operation sit down. Since it is possible to control the light emission state of the room lamp 32 and the room lamp 45 and the floor lamp 46, it is possible to stably realize the relaxation state of the passenger.

  Next, the processing flow of the illumination control by the interior lighting control system 1 shown in FIG. 3 will be described with reference to FIG. 4 shows the operations of the body pressure sensor 24, the heart rate sensor 23, the room lamp 45, the door lamps 31 and 32, the floor lamp 46, and the first and second operation switches 41 and 42 with respect to changes in the passenger's condition. The situation is shown in time series respectively.

  As shown in FIG. 3, in the passenger compartment illumination control system 1, when the passenger gets into the car (S101: Yes), the room lamp 45, the door lamps 31, 32, and the floor lamp 46 are turned on. Here, the boarding of the passenger can be detected based on a known method (for example, an operation such as unlocking or opening and closing of the door 30).

  As also shown in FIG. 4, in the passenger compartment illumination control system 1, the level of the brightness of the room lamp 45 is set to “high” (third brightness) by the passenger's entry, and the door lamp 31 is also displayed. , 32 and the color of the floor lamp 46 are set to "rainbow (rainbow color)" (third light emission color) (S102). At this time, the color of the door lamps 31 and 32 and the floor lamp 46 may be set to a color in which priority is given to making the area around the passenger easy to see.

  Also, here, the brightness of the room lamp 45 (at least one of total luminous flux, illuminance, luminous intensity, and luminance) can be set at three levels of “low”, “standard (medium)”, and “high” is there. Further, the colors of the door lamps 31 and 32 and the floor lamp 46 can be set to any of three colors of "rainbow", "blue" and "amber".

  However, the present invention is not limited to the configuration shown here, and various changes can be made to the number of brightness levels of the room lamp 45 and the types of colors of the door lamps 31 and 32 and the floor lamp 46. Also, for example, it is possible to set different colors for the door lamps 31 and 32 and the floor lamp 46. Here, only the brightness of the room lamp 45 changes, but it is also possible to change the color of the room lamp 45. Moreover, although only the color of the door lamps 31 and 32 and the floor lamp 46 is changed here, it is also possible to change the brightness of the door lamps 31 and 32 and the floor lamp 46.

  Next, in the passenger compartment illumination control system 1, when the passenger is seated (becomes seated) (S103: Yes), the heart rate sensor 23 is turned on (ON), and the brightness level of the room lamp 45 is " Is set to "standard" (first brightness), and the colors of the door lamps 31, 32 and the floor lamp 46 are set to "blue" (second luminescent color), which is a color for relaxing the passenger. (S104). Here, when the passenger is seated, the seat 3 is in the standing posture (standard state). Further, the seating of the passenger can be detected by the body pressure sensor 24. Furthermore, the color for relaxing the passenger is not limited to "blue", and it is possible to set another color (for example, a desired color previously selected by the passenger).

  Here, as shown also in FIG. 4, the color of the door lamps 31, 32 and the floor lamp 46 is set to "blue" which is a color for relaxing the passenger after the passenger is seated. However, as described later, after the passenger is seated, the standard color "Amber" is set, and thereafter, the passenger's heart rate based on the measurement value of the heartbeat sensor 23 has a predetermined threshold (in the relaxed state It is also possible to change to "blue" when it is determined that the threshold value is greater than or equal to the threshold value for determining whether or not there is any. Further, when the heart rate of the passenger is less than the predetermined threshold, the colors of the door lamps 31 and 32 and the floor lamp 46 may be changed from "blue" to "amber" as described later. Multiple thresholds may be set for the passenger's heart rate.

  Subsequently, as shown in FIG. 4, the first operation switch 41 is lighted in order to notify the passenger that the operation of changing the seat 3 to the backward inclination posture is possible. Then, when the passenger operates the first operation switch 41, the seat 3 starts to operate (that is, the seat back 12 is tilted) (S105: Yes). As a result, the heart rate sensor 23 is turned off (ie, the control of the door lamps 31 and 32 and the floor lamp 46 is interrupted), and the brightness level of the room lamp 45 becomes "low" (second brightness). The color of the door lamps 31, 32 and the floor lamp 46 is set to "amber" (first light emission color) which is a standard color (S106). If the heart rate of the passenger just before the seat 3 starts to operate is equal to or higher than the predetermined threshold, the color of the door lamps 31 and 32 and the floor lamp 46 may be set to "blue" in step S106. Good.

  As described above, in the passenger compartment illumination control system 1, since the control of the light emission state of the door lamps 31 and 32 and the floor lamp 46 is interrupted while the seat 3 is in operation, the seat 3 operation affects the passenger's heart rate. It is possible to eliminate

  In the passenger compartment illumination control system 1, as described above, the passenger's physical characteristics (body size, weight, etc.) are estimated based on the measurement result of the body pressure sensor 24, and the estimation result is based on the estimation result. It is possible to determine the backward lean posture (for example, the angle of the seat back 12) in step S105. According to this, it is possible to appropriately realize the backward tilt state of the seat for relaxing the passenger according to the physical characteristics of the passenger.

  After that, when the tilting of the seat 3 is completed (that is, the seat 3 is displaced to the backward inclination posture) (S107: Yes), the heart rate sensor 23 is turned on again in the passenger compartment illumination control system 1 (S108). Thereby, the determination of the heart rate of the passenger is started (ST109), and when the heart rate becomes equal to or more than the predetermined threshold (S109: Yes), the color of the door lamps 31, 32 and the floor lamp 46 is boarding It is set to "blue" which is a color for relaxing the person (ST110). In the passenger compartment illumination control system 1, when the passenger's heart rate is less than the predetermined threshold (S109: No), the color of the door lamps 31, 32 and the floor lamp 46 is changed from "blue" to "amber" You may

  When the above-described inclination of the seat 3 is completed (S107: Yes), as shown in FIG. 4, the second operation switch is used to notify the passenger that the operation to return the seat 3 to the standing posture is possible. 42 lights up. Then, when the passenger operates the second operation switch 42, the seat 3 starts operating (that is, the seat back 12 stands up) (S111: Yes). Thereby, the heart rate sensor 23 is turned off (S112).

  The processing of the above-described steps S109 to S112 is repeatedly executed until the passenger finally leaves the seat 3 and leaves (or gets off) (S113: Yes).

  In such a vehicle interior illumination control system 1, the colors of the door lamps 31 and 32 and the floor lamp 46 are controlled based on the measurement value of the heartbeat sensor 23, so even when there are multiple passengers in the vehicle compartment, It becomes possible to illuminate the vicinity of the passenger effectively and to realize the relaxation state individually.

  Although the description of the specific embodiment is finished above, the present invention can be widely modified and implemented without being limited to the above embodiment.

1: Interior lighting control system 2: ECU
3: Seat 10: Floor 11: Seat cushion 11a: Seat surface 12: Seat back 13: Seat drive device 14: Headrest 15: Ottoman 21: Side cover 22: Armrest 23: Heart rate sensor 24: Body pressure sensor 25: Weight sensor 30 : Door 31: First door lamp (first light source)
32: Second door lamp (first light source)
33: Armrest 34: Window 37: Room lamp 41: First operation switch 42: Second operation switch 44: Ceiling 45: Room lamp 46: Floor lamp (first light source)
51: processor 52: memory 53: input / output interface

Claims (12)

A lighting control system for a cabin for controlling lighting in a cabin of a car, comprising:
A heart rate sensor that measures the heart rate of the passenger;
One or more first light sources illuminating the vehicle interior;
A seat control device for controlling an attitude of a seat on which the passenger sits;
A light emission control device for controlling the light emission state of the first light source;
Equipped with
The light emission control device controls the light emission state of the first light source based on the measurement value of the heart rate sensor when the posture of the sheet is changed from the standard state by the control of the sheet control device. A lighting control system for a car room that is characterized. It further comprises a body pressure sensor provided on the seat to measure the pressure due to the seating of the passenger,
The vehicle seat illumination control system according to claim 1, wherein the seat control device controls an attitude of the seat based on a measurement result by the body pressure sensor.   The vehicle interior lighting control system according to claim 1 or 2, wherein at least one of the first light sources is provided on a passenger door adjacent to the seat.   The vehicle interior illumination control system according to any one of claims 1 to 3, wherein at least one of the first light sources is provided on a floor located in front of the seat.   The light emission control device causes the first light source to emit light in a first light emission color that is a standard color when the heart rate based on the measurement value of the heart rate sensor in the sitting state of the passenger is less than a predetermined threshold. The first light source is controlled to emit light with a second emission color different from the first emission color when the heart rate in the sitting state of the passenger is equal to or more than the threshold value. A lighting control system for a cabin according to any one of claims 1 to 4.   The light emission control device controls the first light source to emit light in a third emission color different from the first and second emission colors before the passenger is seated on the seat. A lighting control system for a passenger compartment according to claim 5, wherein.   The light emission control device interrupts control of the light emission state of the first light source during operation of the sheet under control of the sheet control device. Interior lighting control system. It further comprises one or more second light sources for illuminating the vehicle interior,
The room lighting according to any one of claims 1 to 7, wherein the light emission control device controls a light emission state of the second light source based on a state of the passenger regarding seating of the seat. Control system.   The vehicle interior lighting control system according to claim 8, wherein at least one of the first light sources is provided on a ceiling portion of the vehicle interior.   When the attitude of the sheet is in the standard state, the light emission control device causes the second light source to emit light at a first brightness which is the standard brightness, and the attitude of the sheet is inclined in the backward state. 10. The room illumination control system according to claim 8, wherein, in one case, the second light source is controlled to emit light at a second brightness that is darker than the first brightness. .   The light emission control device controls the second light source to emit light at a third brightness brighter than the second brightness before the passenger is seated on the seat. 10. The lighting control system for a vehicle cabin according to 10. A vehicle room illumination control method for illuminating a vehicle interior of a car with one or more first light sources, comprising:
A body pressure measurement step of measuring the pressure due to the seating of the passenger on the seat;
A heart rate measurement step of measuring the heart rate of the passenger;
A sheet attitude control step for controlling the attitude of the sheet;
A light emission control step of controlling a light emission state of the first light source;
Including
In the light emission control step, the light emission state of the first light source is controlled based on the measured value of the heartbeat when the posture of the sheet is changed from the standard state to the backward state in the sheet posture control step. Lighting control method for passenger compartments.

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