Vehicle interior system

Abstract

To provide a vehicle interior system that is able to make an occupant intuitively sense a traveling direction of the vehicle.SOLUTION: A vehicle interior system S includes: an interior member S provided in a vehicle V; an electric device 5 provided in the interior member S; a cushion body Cs that an occupant H can hold; a movable portion 22 provided in the cushion body Cs; a control unit 10 that communicates with and control the electric device 5 and the movable portion 22; and a traveling direction acquisition unit 12 that is connected to the control unit 10 and acquires a traveling direction of the vehicle. The control unit 10 operates the electric device 5 and the movable portion 22 in conjunction with each other, based on the traveling direction of the vehicle V acquired by the traveling direction acquisition unit 12.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a vehicle interior system, and more particularly to a vehicle interior system including an interior member having an electrically-operated device. [Background technology]

[0002] Conventionally, it is known that the operation of an electric device provided on a vehicle seat is changed according to the traveling direction and acceleration of the vehicle in order to suppress motion sickness. Patent Document 1 discloses that a car navigation device detects the traveling direction of the vehicle, and operates a plurality of actuators (vibrators) provided on the seat back so that the position to which the tactile sensation is applied moves according to the detected traveling direction. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2009-115553 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the vehicle seat described in Patent Document 1, the driver is only notified from behind by the operation of an actuator provided in the seat back, and there is a problem that it is difficult to intuitively sense the direction in which the vehicle is traveling.

[0005] The present invention has been made in consideration of the above problems, and its object is to provide a vehicle interior system that allows occupants to intuitively sense the direction in which the vehicle is traveling. [Means for solving the problem]

[0006] The above problem is solved by the vehicle interior system of the present invention, which includes an interior member provided to a vehicle, an electric device provided to the interior member, a cushion body that can be held by an occupant, a movable part provided to the cushion body, a control unit that communicates with and controls the electric device and the movable part, and a traveling direction acquisition unit that is connected to the control unit and acquires the traveling direction of the vehicle, wherein the control unit operates the electric device of the interior member and the movable part of the cushion body in conjunction with each other based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit.

[0007] The control unit operates the movable part of the cushion body and the electric device in conjunction with each other based on the vehicle's direction of travel, allowing the occupant to intuitively sense the direction of travel of the vehicle from two directions (e.g., the chest and back), thereby providing an interior system for a vehicle that can, for example, suppress motion sickness.

[0008] In addition, in the above configuration, the movable part and the electric device are each composed of a vibrating body, and the control unit may operate the movable part and the electric device in conjunction with each other based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit. By notifying the passenger of the direction of travel using a vibrator, the passenger can intuitively feel the direction of travel through his or her sense of touch, which can, for example, suppress motion sickness.

[0009] In addition, in the above configuration, the travel direction acquisition unit can acquire the acceleration when the vehicle travels in a leftward or rightward direction, and the control unit can change the vibration action of the vibrating body provided on each of the movable part and the electric device based on the acceleration acquired by the travel direction acquisition unit. By changing the vibration action of the vibrator based on the traveling direction and acceleration, it is possible to encourage the passenger to change his / her posture, thereby enhancing the effect of suppressing motion sickness.

[0010] Furthermore, in the above configuration, the movable part and the electric device are composed of a plurality of the vibrating bodies arranged in a line, and when rightward movement is acquired by the traveling direction acquisition unit, the control unit performs a rightward notification operation to notify the occupant that the vehicle is moving in a rightward direction by vibrating the vibrating body located on the left side of the occupant in sequence to the vibrating body located on the right side, and when leftward movement is acquired by the traveling direction acquisition unit, performs a leftward notification operation to notify the occupant that the vehicle is moving in a leftward direction by vibrating the vibrating body located on the right side of the occupant in sequence to the vibrating body located on the left side. By informing the passenger of the direction of travel by vibrating the vibrators in sequence, the passenger can intuitively feel the direction of travel through his or her sense of touch, thereby suppressing motion sickness.

[0011] In addition, in the above configuration, the movable part and the electric device are composed of an inflatable and deflatable bag body, and the control unit may operate the movable part and the electric device in conjunction with each other based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit. By configuring the movable part and the electric device as a bag body, the interior material and the cushion body can be deformed to encourage the occupant to change their posture in the direction of travel, thereby suppressing motion sickness.

[0012] In addition, in the above configuration, the travel direction acquisition unit can acquire the acceleration when the vehicle travels in a leftward or rightward direction, and the control unit can change the expansion and contraction operation of the bag body provided on each of the movable unit and the electric device based on the acceleration acquired by the travel direction acquisition unit. By changing the inflation and deflation action of the bag body based on the traveling direction and acceleration, it is possible to encourage the occupant to change his / her posture, thereby improving the effect of suppressing motion sickness.

[0013] Furthermore, in the above configuration, when the traveling direction acquisition unit acquires the traveling direction to the left, the control unit performs a leftward posture change operation to change the shape of the cushion body using the bag body of the cushion body and change the shape of the interior member using the bag body of the electric device so that the occupant assumes a leftward posture, and when the traveling direction acquisition unit acquires the traveling direction to the right, the control unit performs a rightward posture change operation to change the shape of the cushion body using the bag body of the cushion body and change the shape of the interior member using the bag body of the electric device so that the occupant assumes a rightward posture. The shape of the cushion and the interior material is changed based on the direction of travel, thereby changing the posture of the occupant, which can, for example, suppress motion sickness in the occupant.

[0014] In addition, in the above configuration, a posture detection unit that detects the posture of the occupant may be provided, and the control unit may change the operation of the movable part of the cushion body and the operation of the electric device of the interior member based on the posture information of the occupant acquired by the posture detection unit. By changing the operation of the movable parts and the electrically-driven device based on the posture information of the occupant, it is possible to, for example, prevent excessive promotion of posture changes, thereby enhancing the effect of preventing motion sickness.

[0015] In the above configuration, the cushion body may be provided to be attachable and detachable to a part of the interior member, and the control unit may not cause the cushion body to operate in conjunction with the interior member when the cushion body is attached to the interior member. When the cushion body is attached to the interior member, by not operating the cushion body in conjunction with the interior member, it is possible to reduce unnecessary energy consumption.

[0016] Furthermore, in the above configuration, the vehicle may further include an external information acquisition unit that acquires information about the surroundings of the vehicle, and a collision prediction unit that predicts a collision of the vehicle and a predicted direction of the collision based on the information acquired from the external information acquisition unit, and when the collision prediction unit predicts a collision of the vehicle, the control unit may operate the electric device of the interior member and the movable part of the cushion body based on the predicted direction of collision predicted by the collision prediction unit, and notify the occupant of the predicted direction of collision. By operating the electric device of the interior member and the movable part of the cushion body based on the predicted collision direction, thereby informing the occupant of the predicted collision direction of the vehicle, the occupant can more intuitively sense the collision direction and can take more appropriate action in response to the collision.

[0017] In the above configuration, the interior member may be a vehicle seat on which an occupant sits and a door member adjacent to the vehicle seat. When the interior member is a vehicle seat on which an occupant sits and a door member adjacent to the vehicle seat, it is possible to easily notify the occupant and cause him or her to change their position. Effect of the Invention

[0018] According to the present invention, the control unit operates the movable part of the cushion body and the electric device of the interior member in conjunction with each other based on the direction of travel of the vehicle, thereby allowing the occupant to intuitively sense the direction of travel of the vehicle from two directions, thereby providing an interior system for a vehicle that can, for example, suppress motion sickness. Furthermore, by notifying the passenger of the direction of travel using the vibrator, the passenger can intuitively feel the direction of travel through his or her sense of touch, which can, for example, suppress motion sickness. Furthermore, by changing the vibration action of the vibrator based on the traveling direction and acceleration, it is possible to encourage the passenger to change his / her posture, thereby enhancing the effect of suppressing motion sickness. In addition, by informing the passenger of the direction of travel by vibrating the vibrators in sequence, the passenger can intuitively feel the direction of travel through his or her sense of touch, thereby suppressing motion sickness. Furthermore, by configuring the movable part and the electric device as a bag body, the interior material and the cushion body can be deformed to encourage the occupant to change their posture in the direction of travel, thereby suppressing motion sickness. Furthermore, by changing the inflation and deflation action of the bag body based on the traveling direction and acceleration, it is possible to encourage the occupant to change his / her posture, thereby enhancing the effect of suppressing motion sickness. In addition, the shapes of the cushion body and the interior members are changed based on the traveling direction, thereby changing the posture of the occupant, which makes it possible to suppress motion sickness of the occupant, for example. In addition, by changing the operation of the movable parts and the electric device based on the posture information of the occupant, it is possible to, for example, prevent excessive promotion of posture changes, thereby enhancing the effect of preventing motion sickness. Furthermore, in the case where the cushion body is attached to the interior member, by not operating the cushion body in conjunction with the interior member, it is possible to reduce unnecessary energy consumption. In addition, by operating the electric device of the interior member and the movable part of the cushion body based on the predicted collision direction, thereby informing the occupant of the predicted collision direction of the vehicle, the occupant can more intuitively sense the collision direction and take more appropriate action in response to the collision. Furthermore, since the interior member is a vehicle seat on which an occupant sits and a door member adjacent to the vehicle seat, it is possible to easily notify the occupant and cause him or her to change their position. [Brief description of the drawings]

[0019] [Figure 1] 1 is a perspective view showing the appearance of a vehicle interior system according to a first embodiment. [Diagram 2] FIG. 2 is a front view of the vehicle interior system of the first embodiment, showing a state in which an occupant H is holding a cushion body. [Diagram 3] 1 is a block diagram showing a configuration of a vehicle interior system. [Figure 4] FIG. 2 is a flow diagram showing a process for notifying an occupant of a traveling direction by a vehicle interior system. [Diagram 5]FIG. 4 is a perspective view showing the appearance of a vehicle interior system according to a second embodiment. [Figure 6] FIG. 11 is a front view of the vehicle interior system of the second embodiment, showing a state in which an occupant H is holding the cushion body. [Figure 7] FIG. 11 is a perspective view showing the appearance of a vehicle interior system according to a third embodiment. [Figure 8] FIG. 11 is a block diagram showing the configuration of a vehicle interior system according to a third embodiment. [Figure 9] FIG. 11 is an explanatory diagram illustrating the operation of the vehicle interior system of the third embodiment. [Figure 10] FIG. 2 is a front view of the vehicle interior system, showing a cushion body that deforms in the left-right direction. [Figure 11] FIG. 2 is a front view of the vehicle interior system, showing a cushion body that deforms in an upward oblique direction. [Figure 12] FIG. 2 is a front view of the vehicle interior system, showing a cushion body placed on the lap. [Figure 13] FIG. 2 is a front view of the vehicle interior system, showing a cushion body having a support portion. [Figure 14] FIG. 2 is a front view of the vehicle interior system, showing a cushion body having a center of gravity changing member. [Figure 15] FIG. 2 is a front view of the vehicle interior system, showing a state in which an air cell provided in the door encourages an occupant to maintain a proper posture. [Figure 16] FIG. 2 is a front view of the vehicle interior system, showing lighting provided on the interior member. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] Hereinafter, the configuration of a vehicle interior system according to an embodiment of the present invention will be described with reference to the drawings. However, the embodiment described below is for the purpose of making the present invention easier to understand, and does not limit the present invention. In other words, the present invention can be modified and improved without departing from the spirit of the present invention, and the present invention naturally includes equivalents thereof. In the following description, the contents regarding the materials, shapes and sizes of the parts constituting the vehicle interior system are merely examples and do not limit the present invention.

[0021] In the following, as an example of a vehicle interior system, a vehicle interior system 100 equipped with a vehicle seat S mounted on a vehicle V (vehicle) will be given, and a configuration example thereof will be described. However, the present invention is not limited to vehicle interior systems mounted on vehicles that run on ground and have wheels, such as automobiles and railroad cars, and may also be a vehicle interior system mounted on aircraft, ships, and other vehicles that move other than on the ground.

[0022] In the following description, the "front-rear direction" refers to the front-rear direction of the vehicle seat S of the vehicle interior system 100, and is the direction that coincides with the traveling direction when the vehicle is traveling. The "seat width direction" refers to the width direction of the vehicle seat S, and is the direction that coincides with the left-right direction as seen by an occupant seated on the vehicle seat S. The "up-down direction" refers to the up-down direction of the vehicle seat S, and is the direction that coincides with the vertical direction when the vehicle is traveling on a horizontal plane. In addition, when the term "outside" is used simply, it refers to the side closer to the outside in the direction from the center of the vehicle seat S to the outside, and when the term "inside" is used, it refers to the side closer to the center in the direction from the outside to the center of the vehicle seat S. In addition, in the following description, when various directions are described with "seat" added, such as "seat width direction" and "seat height direction," it refers to the direction relative to the vehicle seat S, and when the terms "vehicle" are used with "vehicle" added, such as "vehicle inside" and "vehicle outside," it refers to the direction relative to the vehicle. In addition, the shape, position, posture, etc. of each part of the vehicle seat S that constitutes the vehicle interior system 100 described below will be explained assuming that the vehicle seat S is in a seated position, unless otherwise specified.

[0023] <<First embodiment>> <Configuration of vehicle interior system 100> The configuration of a vehicle interior system 100 according to a first embodiment of the present invention will be described with reference to Figs. 1 to 4. Fig. 1 is a perspective view showing the exterior of the vehicle interior system 100, and Fig. 2 is a front view of the vehicle interior system 100 showing a state in which an occupant H holds a cushion body Cs. Fig. 3 is a block diagram showing the configuration of the vehicle interior system 100. Fig. 4 is a flow diagram showing a process of notifying an occupant of a traveling direction by the vehicle interior system 100. Note that, for convenience of illustration, a part of a vehicle seat S in Fig. 1 is shown with the upholstery Tr removed.

[0024] The vehicle interior system 100 is a system mounted on a vehicle V, and includes a vehicle seat S provided in the vehicle V, an electric device 5 provided in the vehicle seat S, a cushion body Cs on which an occupant H seated in the vehicle seat S can be held, a movable part 22 provided in the cushion body Cs, a seat control unit 10 that communicates with the electric device 5 and the movable part 22 to control the electric device 5 and the movable part 22, and a traveling direction acquisition unit 12 that acquires the traveling direction of the vehicle V. The seat control unit 10 is connected to the traveling direction acquisition unit 12. The seat control unit 10 is configured to operate the electric device 5 and the movable part 22 of the cushion body Cs in conjunction with each other based on the traveling direction of the vehicle V acquired by the traveling direction acquisition unit 12.

[0025] <Vehicle seat S> The vehicle seat S is a seat that is placed on the floor of the vehicle V and in which an occupant H sits. In this embodiment, the vehicle seat S is used as a front seat that corresponds to the front seat of the vehicle V. However, the vehicle seat S is not limited to this, and can also be used as a rear seat in the back seat, and can also be used as a second-row middle seat or a third-row rear seat in a vehicle that has three rows of seats in the front-to-rear direction.

[0026] As shown in Fig. 1 and Fig. 2, the vehicle seat S includes a seat cushion 1 that supports the buttocks and thighs of an occupant H, a seat back 2 that supports the back of the occupant H, and a headrest 3 that supports the head of the occupant H. The vehicle seat S also includes an ottoman 4 that supports the legs of the occupant H at the front end of the seat cushion 1. The seat cushion 1, seat back 2, headrest 3, and ottoman 4 may be collectively referred to as a seat body Sh. The seat cushion 1, seat back 2, headrest 3, and ottoman 4 are also composed of a frame (not shown) that serves as a skeleton, a pad P attached to the frame, and a skin Tr that covers the pad P.

[0027] <Reclining device 7> The seat cushion 1 and the seat back 2 are connected to sandwich a reclining device 7. The reclining device 7 allows the seat back 2 to rotate relative to the seat cushion 1, and the inclination angle thereof can be adjusted. The reclining device 7 is an electric device equipped with an actuator (not shown) and the like, and controls the inclination angle (reclining angle) of the seat back 2 relative to the seat cushion 1 based on a control signal from the seat control unit 10.

[0028] <Slide rail device 8> A slide rail device 8 is provided below the seat cushion 1 of the vehicle seat S. The slide rail device 8 mounts the vehicle seat S to the vehicle floor in a state in which the seat body Sh is slidable in the front-rear direction. The slide rail device 8 is composed of a lower rail 8a fixed on the floor surface of the vehicle V and an upper rail 8b that is slidable relative to the lower rail 8a. The slide rail device 8 is an electric device equipped with an actuator (not shown) and the like, and by operating the actuator based on a control signal from the seat control unit 10, the seat body Sh is slid in the front-rear direction, thereby automatically changing the position of the seat body Sh.

[0029] <Height adjustment device 9> The vehicle seat S is provided with a height adjustment device 9 between the seat body Sh and the slide rail device 8. The height adjustment device 9 can change the position of the seat body Sh from the floor surface of the vehicle V in the vertical direction. The height adjustment device 9 is an electric device equipped with an actuator (not shown) and the like, and can automatically change the height of the seat body Sh by operating the actuator based on a control signal from the seat control unit 10. The vehicle seat S may be provided with a rotation device between the seat body Sh and the height adjustment device 9, which rotates the seat body Sh about an axis extending perpendicularly to the floor surface. In the case where a rotation device is provided, when the orientation of the vehicle seat S is changed, the operation of the electric device 5 of the vehicle seat S and the movable part 22 of the cushion body Cs, which will be described later, may be changed in accordance with the orientation.

[0030] The vehicle seat S may also be provided with a tilt device that raises and lowers the front end of the seat cushion 1 to tilt the seat cushion 1, a folding device that tilts the upper part of the seat back 2 back and forth to fold it in half, and an armrest device that is configured to automatically rotate, extend, and retract, or bend. The vehicle V may be provided with a device for raising and lowering the window W provided in the door D and a device for moving the center console (not shown) back and forth. The vehicle seat S may be provided with a monitor on the rear surface of the seat back 2, and may further be provided with a tilting device for tilting the monitor.

[0031] <Seat vibrator 51> As shown in Fig. 1, a plurality of seat vibration bodies 51 are provided on the seating surface of the seat back 2 of the vehicle seat S. The plurality of seat vibration bodies 51 are arranged in a substantially V-shape when viewed from the front of the seat. The seat vibration body 51 located on the right side in the seat width direction is referred to as the seat right side vibrator 51a, and the seat vibration body 51 located on the left side is referred to as the seat left side vibrator 51b, and when there is no need to distinguish them, they are referred to as the seat vibration body 51.

[0032] The seat vibrator 51 is composed of, for example, an eccentric motor that generates vibrations and a harness, and functions as a notification means by generating vibrations that can be sensed by the seated occupant H. The seat vibrator 51 may be realized by a linear vibration motor. The seat vibrator 51 has a plurality of vibration patterns using vibration intensity, frequency, or vibration time as parameters, and can provide a variety of notifications to the occupant H. Each of the seat vibrators 51 is connected to the seat control unit 10 and configured to generate vibrations based on a control signal from the seat control unit 10.

[0033] <Posture detection unit 16> The vehicle interior system 100 includes a posture detection unit 16 that detects the posture of the occupant H. The posture detection unit 16 is connected to the seat control unit 10, and the seat control unit 10 determines the posture of the occupant H based on information received from the posture detection unit 16. The posture detection unit 16 includes a seat sensor 16a provided on the vehicle seat S and an in-vehicle camera 16b that captures images of the interior of the vehicle. The seat sensor 16a is composed of, for example, a pressure sensor and an electromagnetic wave sensor. 1, a plurality of seat sensors 16a serving as a posture detection unit 16 are disposed on the seating surfaces of a seat cushion 1 and a seat back 2 of a vehicle seat S. When the seat sensor 16a is a pressure sensor, it detects the distribution of sinking of the occupant H in the seat cushion 1 and the seat back 2. The seat control unit 10 estimates the seating state of the occupant H based on the detection result. An in-vehicle camera 16b that captures images of the interior of the vehicle may be provided on the ceiling of the vehicle V as the posture detection unit 16. The in-vehicle camera 16b is connected to the seat control unit 10, and the seat control unit 10 detects the angle of the head and trunk of the occupant H based on image information captured by the in-vehicle camera 16b and determines the posture of the occupant H.

[0034] <Side Support 1a, 2a> Side supports 1a, 2a that support the seated occupant H from the sides are provided on the sides of the seat cushion 1 and the seat back 2 of the vehicle seat S. The side supports 1a, 2a are electric devices 5 controlled by a seat control unit 10, and by moving forward or upward, the side supports 1a, 2a hold down the occupant H from the sides, restricting movement of the occupant H in the left-right direction (seat width direction) and encouraging the occupant H to change his / her posture.

[0035] The side support 1a of the seat cushion 1 is rotated in the up-down direction by an actuator (not shown) provided in the seat cushion 1. The side support 2a of the seat back 2 is rotated in the front-rear direction by an actuator (not shown) provided in the seat back 2. The side supports 1 a and 2 a are connected to a seat control unit 10 and are configured to operate based on a control signal from the seat control unit 10 .

[0036] Note that the side supports 1a, 2a, in which the sides of the vehicle seat S are rotated by an actuator, are just one example, and the side supports 1a, 2a may be configured to support the occupant H from the side by inflating air cells provided within the bank portion of the vehicle seat S.

[0037] <Seat control unit 10> The seat control unit 10 is a device also called an ECU (Electronic Control Unit). A control circuit for controlling the seat vibrator 51 and the like is built into the seat control unit 10. The seat control unit 10 has a CPU (Central Processing Unit) as a data calculation / control processing device, and a ROM (Read Only Memory), a RAM (Random Access Memory), an SSD (Solid State Drive), and an HDD (Hard Disk Drive) as storage devices. The seat control unit 10 also has a communication interface for receiving information and signals from the electric device 5 and transmitting signals for operation. Moreover, each component is connected to each other via a bus so as to be able to communicate with each other. The seat control unit 10 may be provided in the vehicle seat S, for example, below the seat cushion 1, inside the seat back 2, or inside the headrest 3, or may be provided as an external device of the vehicle seat S. The seat control unit 10 may be a control device for advanced driver-assistance systems (ADAS).

[0038] The seat control unit 10 also includes a communication device 11. The communication device 11 is a device for wireless communication with devices that are not connected by cables or the like, such as a cushion body Cs described below or a mobile terminal owned by the occupant H. The communication device 11 includes a WiFi (registered trademark) unit or a Bluetooth (registered trademark) unit, and is capable of wireless communication by radio waves of the WiFi (registered trademark) standard or the Bluetooth (registered trademark) standard.

[0039] <Progressing direction acquisition unit 12> As described above, the vehicle interior system 100 includes the traveling direction acquisition unit 12 that acquires the traveling direction of the vehicle V. The traveling direction acquisition unit 12 may acquire not only the traveling direction of the vehicle V, but also the acceleration when the vehicle V travels leftward or rightward. The traveling direction of the vehicle V can be obtained from, for example, a steering angle, an accelerator, and a steering angular velocity based on a brake sensor. Also, the magnitude and direction of the acceleration of the vehicle V can be obtained from, for example, a yaw rate sensor and a roll rate sensor that detects the roll angular velocity of the vehicle body.

[0040] The traveling direction acquisition unit 12 may calculate the traveling direction and acceleration by acquiring map information and the vehicle's position from, for example, a car navigation system equipped with a GPS device. The traveling direction may also be predicted based on a destination set in the car navigation system and a route to the destination. The traveling direction obtaining unit 12 may be disposed below the seat cushion 1, inside the seat back 2, or inside the headrest 3. The traveling direction obtaining unit 12 may also be disposed inside the cushion body Cs.

[0041] <Cushion body Cs> As described above, the vehicle interior system 100 includes a cushion body Cs that can be held by the occupant H. The cushion body Cs is configured of a cushion or stuffed toy that can be embraced by the occupant H, and is provided separately from the vehicle seat S. The cushion body Cs is configured, for example, by covering a urethane pad P or sponge with a skin Tr. The cushion body Cs in this embodiment is formed as a circular cushion like a seat cushion, but this is only one example, and the cushion body Cs may have a shape imitating a character such as an animal or a person. The cushion body Cs may also be a wearable terminal worn by the occupant H, such as a smart watch, a mobile phone, a smartphone, or a controller. The cushion body Cs may also be something that the occupant holds or wears, such as a wristwatch or gloves. It is desirable that the cushion body Cs be a cushion that can be embraced in order to allow the occupant H to more intuitively sense the traveling direction, etc. The cushion body Cs may also be provided with a pocket into which the occupant H inserts his or her hand when holding the cushion body Cs.

[0042] The cushion body Cs has a plurality of movable parts 22. In this embodiment, the movable parts 22 are constituted by a plurality of cushion body vibrators 23. The cushion body vibrator 23 is composed of an eccentric motor that generates vibrations and a harness, similar to the seat vibrator 51 provided on the seat back 2, and can generate vibrations that can be sensed by the occupant H when the occupant H embraces the cushion body Cs. The cushion body vibrator 23 may be constituted by a linear vibration motor.

[0043] 1 and 2, the cushion vibrators 23 are arranged in a substantially V-shape when viewed from the front. The cushion vibrators 23 are arranged on the back surface of the cushion Cs, that is, on the surface that faces the occupant H when the occupant H embraces the cushion Cs. When embraced, the multiple cushion vibrators 23 are preferably arranged to face the seat vibrator 51 provided on the seat back 2.

[0044] For example, by simultaneously vibrating the seat vibrator 51 and the cushion vibrator 23 located in opposing positions, the occupant H can be notified of information such as the direction of travel from the chest and back, allowing the occupant H to more intuitively sense the direction of travel. As shown in FIG. 2, when C is held by occupant H, the cushion vibrator 23 located on the right side is referred to as right cushion vibrator 23a, and the cushion vibrator 23 located on the left side is referred to as left cushion vibrator 23b.

[0045] The cushion body Cs is provided with a cushion body control section 20 that directly controls the cushion body vibration body 23 that is the movable section 22. Also, a communication device 21 for communicating with the seat control section 10 is provided.

[0046] The cushion body control unit 20 is a control device that is connected to the movable parts 22 such as the cushion body vibrator 23, and directly controls the movable parts 22. Similar to the seat control unit 10, the cushion body control unit 20 includes a CPU, a memory, and an input / output interface, and is connected to a communication device 21. A control circuit that controls the movable parts 22 such as the cushion body vibrator 23 and the communication device 21 is built into the cushion body control unit 20.

[0047] The communication device 21 is provided with a WiFi (registered trademark) unit, a Bluetooth (registered trademark) unit, or the like. The cushion body Cs can operate in cooperation with an electric device 5 such as a seat vibration body 51 provided in the vehicle seat S by transmitting and receiving signals to and from the seat control unit 10 via the communication device 21 by wireless communication. The cushion body Cs may be connected to the seat control unit 10 in a wired manner using a cable or the like. In this case, the seat control unit 10 may directly control the movable unit 22.

[0048] Although not shown, the cushion body Cs is provided with a touch sensor for starting or stopping the operation of the cushion body vibrator 23 (movable part 22). The touch sensor is, for example, a capacitance type touch switch, and is configured to function as a switch when a signal equal to or greater than a predetermined threshold is input. For example, when the touch sensor is stroked, it determines that an input has been made in a predetermined direction, and starts or stops the operation of the movable part 22. Instead of the touch sensor, a button switch or a slide switch may be provided on the cushion Cs. Also, the cushion Cs may be configured to automatically start operating when it is held by the occupant H or when it is taken out of the cushion storage section 15.

[0049] When the cushion body Cs is not used by the occupant H, it is preferable that it is attached to another interior member. For example, as shown in Fig. 1, the cushion body Cs is preferable to be stored in a cushion body storage section 15 provided in a door D (an interior member) of a vehicle V. The cushion body Cs may be stored in the back surface of the vehicle seat S, or in the floor or ceiling of the vehicle V. When the cushion body Cs is stored, the movable part 22 of the cushion body Cs is not operated in conjunction with the electric device 5 of the vehicle seat S. By not operating the movable part 22 of the cushion body Cs and the electric device 5 of the vehicle seat S in conjunction with each other, it is possible to reduce unnecessary energy consumption.

[0050] The cushion body Cs is configured to be powered by a built-in battery BT. The battery BT can be charged from a power supply unit 15a provided in the cushion body storage unit 15 of the door D. The power supply can be wired or wireless. If the power supply is wireless, the built-in battery BT can be charged simply by placing the cushion body Cs in the cushion body storage unit 15, which is convenient.

[0051] The process of notifying the occupant H of the vehicle's traveling direction by the vehicle interior system 100 will be described with reference to the flow chart shown in Fig. 4. It is assumed that the vehicle V is moving and the occupant H is seated in the vehicle seat S. In this embodiment, the seat control unit 10 controls the electric device 5 and the movable unit 22, but the cushion body control unit 20 provided in the cushion body Cs may control them, or the seat control unit 10 and the cushion body control unit 20 may cooperate to control the electric device 5 and the movable unit 22. In addition, in this embodiment, the electric device 5 and the movable part 22 are configured by vibrating bodies, but as shown in the embodiment described later, the electric device 5 and the movable part 22 may be configured by air cells.

[0052] First, the seat control unit 10 judges whether the occupant H is holding the cushion body Cs (step S101). Whether the occupant H is holding the cushion body Cs is judged, for example, by a touch sensor of the cushion body Cs. When the seat control unit 10 judges that the occupant H is holding the cushion body Cs (Yes in step S101), the seat control unit 10 operates the electric device 5 of the vehicle seat S and the movable part 22 of the cushion body Cs in conjunction with each other. When the seat control unit 10 judges that the occupant H is not holding the cushion body Cs (No in step S101), the seat control unit 10 notifies the traveling direction of the vehicle V using only the electric device 5 of the vehicle seat S (step S102).

[0053] Next, the seat control unit 10 acquires information on the traveling direction and acceleration of the vehicle V by the traveling direction acquisition unit 12 (step S103). When the seat control unit 10 acquires the traveling direction of the vehicle V, it operates the electric device 5 and the movable part 22 of the cushion body Cs in a linked manner based on the acquired traveling direction (step S104). That is, it vibrates the seat vibrator 51 arranged on the seat back 2 and the cushion body vibrator 23 of the cushion body Cs in accordance with the traveling direction of the vehicle V. When operating in a linked manner, it is preferable that a character is displayed on a monitor (display unit) provided in the vehicle, and the action of the displayed character is linked to the vibration operation.

[0054] When the travel direction acquisition unit 12 acquires travel in the left direction, the seat control unit 10 performs a leftward notification operation to notify that the vehicle V is moving in the leftward direction by vibrating the seat vibrator 51 and the cushion body vibrator 23 in coordination.

[0055] To give a specific example, when the traveling direction acquisition unit 12 acquires the traveling direction of the vehicle V in the left direction, the seat control unit 10 vibrates the left seat vibrator 51b arranged on the left side among the seat vibrators 51 of the seat back 2. At the same time, the seat control unit 10 vibrates the left cushion vibrator 23b of the cushion Cs. By vibrating the left seat vibrator 51b and the left cushion vibrator 23b, the occupant H can intuitively feel that the vehicle V is traveling in the left direction by touch from two directions, the chest side and the back side, thereby suppressing, for example, motion sickness. In addition, by stimulating the tactile sense of the occupant H at multiple points, the traveling direction of the vehicle V can be intuitively understood, and motion sickness can be suppressed.

[0056] When vibrating the cushion body left vibrator 23b, the cushion body left vibrator 23b may be vibrated in the upward direction (the direction of arrow A) in order from the bottom. At this time, the left seat vibrator 51b of the seat back 2 is also vibrated upward in order from the bottom. The occupant H can intuitively feel that the traveling direction is to the left by the movement of the vibrating position. This vibration operation may be completed in one execution, or may be executed multiple times.

[0057] When the travel direction acquisition unit 12 acquires travel in the right direction, the seat control unit 10 performs a right direction notification operation to notify that the vehicle V is moving in the right direction by vibrating the seat vibrator 51 and the cushion body vibrator 23 in coordination.

[0058] Specifically, when the traveling direction acquisition unit 12 acquires that the vehicle V is traveling to the right, the seat control unit 10 vibrates the seat right side vibrator 51a disposed on the right side among the seat vibrators 51 of the seat back 2. At the same time, the seat control unit 10 vibrates the cushion right side vibrator 23a of the cushion Cs. When vibrating the cushion right vibrator 23a, the cushion right vibrator 23a may be vibrated in the upward direction in order from the lower one. At this time, the seat right vibrator 51a of the seat back 2 is also vibrated upward in order from the bottom. The occupant H can more intuitively feel that the traveling direction is to the right by the movement of the vibrating position of the seat right vibrator 51a.

[0059] In addition, when acceleration is acquired by the travel direction acquisition unit 12, the seat control unit 10 may change the vibration operation of the seat vibrator 51 of the seat back 2 and the cushion body vibrator 23 of the cushion body Cs based on the direction and magnitude of the acquired acceleration. For example, when acceleration to the right is detected, the right seat vibrator 51a and the right cushion vibrator 23a arranged on the right side are vibrated, and when acceleration to the left is detected, the left seat vibrator 51b and the left cushion vibrator 23b arranged on the left side of the seat are vibrated.

[0060] Furthermore, when the acquired acceleration is large, control is performed so that a larger vibration is transmitted to the occupant H. The occupant H can intuitively sense that the acceleration is large as the vibration becomes larger. Furthermore, the speed at which the multiple vibrators vibrate in sequence may be increased as the acceleration becomes larger. The shorter the vibration time of each vibrator, the more intuitively the occupant H can sense that the acceleration is large.

[0061] <Control by the attitude detection unit 16> When the seat control unit 10 acquires posture information of the occupant H from the posture detection unit 16 that detects the posture of the occupant, the seat control unit 10 may change the operation of the cushion body vibrator 23 of the cushion body Cs and the operation of the seat vibrator 51 of the seat back 2 based on the posture information of the occupant H. As described above, the posture detection unit 16 is, for example, the seat sensor 16a provided on the seating surface of the vehicle seat S or the in-vehicle camera 16b.

[0062] For example, when the occupant H is seated sinking into the right side of the vehicle seat S, the vibration of the vibrator located on the left side of the seat may not be transmitted easily. Therefore, the seat control unit 10 changes the vibration of the vibrator located on the left side of the seat (left cushion vibrator 23b, left seat vibrator 51b) so that it is greater than the vibration of the vibrator located on the right side of the seat (right cushion vibrator 23a, right seat vibrator 51a), so that the vibration is transmitted to the occupant H.

[0063] <Changing posture with side supports 1a and 1b> In the above-described example, the traveling direction of the vehicle V was notified by the coordinated operation of the seat vibrator 51 provided on the seat back 2 and the cushion vibrator 23 on the cushion body Cs side, but the traveling direction of the vehicle V may also be notified by operating the side support 1a provided on the seat back 2. When the seat control unit 10 acquires the traveling direction of the vehicle V from the traveling direction acquisition unit 12, it operates the side support 1a so that the occupant H faces the traveling direction. For example, when the traveling direction is acquired to the right, the side support 1a arranged on the left side of the seat is rotated forward so that the occupant H faces to the right. By operating the side support 1a in this manner, the occupant H can intuitively sense the traveling direction, and motion sickness can be suppressed.

[0064] <External information acquisition unit 13, collision prediction unit 14> The vehicle interior system 100 may be equipped with an external information acquisition unit 13 that acquires information about the surroundings of the vehicle V, and a collision prediction unit 14 that predicts a collision of the vehicle V and the predicted direction of the collision based on the information acquired from the external information acquisition unit 13. The external information acquisition unit 13 is connected to the seat control unit 10, and the seat control unit 10 predicts a collision of the vehicle V and a predicted collision direction based on information about the surroundings of the vehicle V acquired from the external information acquisition unit 13. The external information acquisition unit 13 is composed of sensors such as a camera, radar, LiDAR, etc. that capture images of the surroundings of the vehicle V. The collision prediction unit 14 predicts a collision of the vehicle V and a predicted collision direction based on information detected by the external information acquisition unit 13.

[0065] When the collision prediction unit 14 predicts a collision of the vehicle V and the predicted collision direction, the seat control unit 10 operates the seat vibrator 51 of the vehicle seat S and the cushion vibrator 23 of the cushion Cs based on the predicted collision direction predicted by the collision prediction unit, and notifies the occupant H of the predicted collision direction. For example, when a frontal collision of the vehicle V is predicted, the seat control unit 10 vibrates the cushion vibrator 23 of the cushion Cs located in front of the occupant H. When a rearward collision is predicted, the seat control unit 10 vibrates the seat vibrator 51 of the seat back 2. When a sideward collision is predicted, the seat vibrator 51 and the cushion vibrator 23, which are located on the side to be hit, may be vibrated simultaneously to provide a notification.

[0066] This vibration method is one example, and a plurality of vibrators may be lined up and vibrated in sequence to notify the occupant H of a collision. A plurality of vibration patterns may be provided, and the vibration pattern may be changed according to the position and strength of the collision. For example, if it is predicted that the collision will be in the front, the vibration of the cushion vibrator 23 is made greater than that of the seat vibrator 51. If the collision will be in the rear, the vibration of the seat vibrator 51 is made greater than that of the cushion vibrator 23. Since the direction of the collision is more prominent, it is easier to intuitively sense the direction of the collision, and effective notification can be achieved.

[0067] <<Second embodiment>> A vehicle interior system 100A according to a second embodiment of the present invention will be described with reference to Fig. 5 and Fig. 6. Fig. 5 is a perspective view showing the exterior of the vehicle interior system 100A according to the second embodiment, and Fig. 6 is a front view of the vehicle interior system 100A according to the second embodiment, showing a state in which an occupant H holds the cushion body CsA.

[0068] The vehicle interior system 100A of the second embodiment differs from the vehicle interior system 100 of the first embodiment in the positions of the seat vibrator 51A and the cushion vibrator 23A. As the other configurations are similar to those of the vehicle interior system 100 of the first embodiment, the same functions are denoted by the same reference numerals and detailed explanations are omitted.

[0069] As shown in FIG. 5, a seat back 2 of a vehicle seat SA of the vehicle interior system 100A is provided with a total of six seat vibrators 51A arranged in three columns and two rows. The cushion body CsA also has a total of six cushion body vibrators 23A arranged in three columns and two rows on the back side of the cushion body CsA. The seat vibrator 51A corresponds to the electric device 5. The cushion body vibrator 23A corresponds to the movable part 22.

[0070] In the vehicle interior system 100 of the first embodiment, when the traveling direction of the vehicle V is acquired, the vibrator located in the traveling direction side is vibrated. However, in the vehicle interior system 100A of the second embodiment, when the traveling direction of the vehicle VA is acquired by the traveling direction acquisition unit 12, first the vibrator located on the opposite side to the acquired direction is vibrated, and then the vibrator located in the traveling direction side is vibrated in sequence to notify the occupant H of the traveling direction of the vehicle V.

[0071] To explain this using a specific example, when the travel direction acquisition unit 12 acquires that the vehicle VA is traveling to the left, the seat control unit 10 vibrates the vibrator in sequence according to the inverted L-shaped arrow pointing to the left, as shown by arrow B in Figure 6.

[0072] That is, the vibrator (vibrator numbered 1 in FIG. 6) arranged at the lower level of the cushion right vibrator 23aA arranged on the cushion body CsA is vibrated. After that, the vibrator (vibrator numbered 2 in FIG. 6) arranged at the middle level of the cushion right vibrator 23aA is vibrated. Next, the vibrator (vibrator numbered 3 in FIG. 6) arranged at the upper level of the cushion right vibrator 23aA is vibrated, and then the vibrator (vibrator numbered 4 in FIG. 6) arranged at the upper level of the cushion left vibrator 23bA is vibrated.

[0073] The seat control unit 10 uses six seat vibrators 51A arranged on the seat back 2 to vibrate the seat vibrators 51A in accordance with the inverted L-shaped arrow pointing to the left, similar to the cushion vibrator 23A of the cushion body CsA.

[0074] Specifically, the vibrator (numbered 1 in FIG. 5) located at the lower level of the seat right vibrator 51aA arranged on the seat back 2 is vibrated. After that, the vibrator (numbered 2 in FIG. 5) located at the middle level of the seat right vibrator 51aA is vibrated. Next, the vibrator (numbered 3 in FIG. 5) located at the upper level of the seat right vibrator 51aA is vibrated, and then the vibrator (numbered 4 in FIG. 5) located at the upper level of the seat left vibrator 51bA is vibrated.

[0075] In this way, when the travel direction acquisition unit 12 acquires a leftward movement, the seat control unit 10 performs a leftward movement notification operation to notify the occupant H that the vehicle VA is moving leftward by vibrating in sequence from the vibrator located on the right side of the occupant H (right side vibrator for seat 51aA, right side vibrator for cushion 23aA) to the vibrator located on the left side (left side vibrator for seat 51bA, left side vibrator for cushion 23bA).

[0076] When the travel direction acquisition unit 12 acquires that the vehicle VA is traveling to the right, the seat control unit 10 vibrates the cushion vibrator 23A in sequence in the direction of the inverted L-shaped arrow pointing to the right. That is, the seat control unit 10 vibrates the vibrator arranged at the lower level of the cushion left vibrator 23bA of the cushion CsA, and then vibrates the vibrator arranged at the middle level of the cushion left vibrator 23bA. Next, the seat control unit 10 vibrates the vibrator arranged at the upper level of the cushion left vibrator 23bA, and then vibrates the vibrator arranged at the upper level of the cushion right vibrator 23aA.

[0077] At the same time, the seat control unit 10 vibrates the seat vibrator 51A arranged on the seat back 2. At this time, the seat vibrator 51A is vibrated so as to form an inverted L-shaped arrow pointing to the right, similar to the cushion body vibrator 23A of the cushion body CsA.

[0078] Specifically, the vibrator arranged at the lower level among the seat left vibrator 51bA arranged on the seat back 2 is vibrated. After that, the vibrator arranged at the middle level of the seat left vibrator 51bA is vibrated. Next, the vibrator arranged at the upper level of the seat left vibrator 51bA is vibrated, and then the vibrator arranged at the upper level of the seat right vibrator 51aA is vibrated.

[0079] In this way, when the traveling direction acquisition unit 12 acquires a movement to the right, the seat control unit 10 performs a rightward direction notification operation by vibrating the vibrators located on the left side of the occupant H (left side seat vibrator 51bA, left side cushion vibrator 23bA) in sequence to the vibrators located on the right side (right side seat vibrator 51aA, left side cushion vibrator 23bA) to notify the occupant H that the vehicle VA is moving to the right. By operating the vibrator in this manner, the occupant H can intuitively sense that the vehicle is moving to the right.

[0080] In the vehicle interior system 100A of the second embodiment, the vibrators arranged in two rows on the seat back 2 and the cushion body CsA are vibrated in order to inform the occupant H of the traveling direction. However, this arrangement of the multiple vibrators is only an example, and the vibrators may be arranged in three or more rows and vibrated in order for each row in the traveling direction to inform the occupant H of the traveling direction. Specifically, when the traveling direction acquisition unit 12 acquires traveling to the left, the row of vibrators that vibrate in order from the vibrator arranged on the right side of the seat may be moved to the left to inform the occupant H that he or she will move to the left. In addition, in the seat back 2, the multiple rows of vibrators may be arranged on the seating surface and the bank part of the seat back 2, and in this case, the vibrators may be operated in order from the vibrator arranged on the seating surface toward the bank part side. Furthermore, the number of times that the traveling direction is notified by vibration of the vibrator may be one or multiple times.

[0081] <<Third embodiment>> A vehicle interior system 100B according to a third embodiment of the present invention will be described with reference to Fig. 7 to Fig. 9. Fig. 7 is a perspective view showing the exterior of the vehicle interior system 100B according to the third embodiment, and Fig. 8 is a block diagram showing the configuration of the vehicle interior system according to the third embodiment. Fig. 9 is an explanatory diagram for explaining the operation of the vehicle interior system 100B according to the third embodiment, with the upper diagram showing a normal state and the lower diagram showing a state in which the occupant H faces rightward.

[0082] The vehicle interior system 100B of the third embodiment differs from the vehicle interior system 100 of the first embodiment in that the electric device 5 of the vehicle seat SB and the movable part 22 provided on the cushion body CsB are configured as air cells (bags). The other configurations are similar to those of the vehicle interior system 100 of the first embodiment, and the same functions are denoted by the same reference numerals and detailed explanations are omitted.

[0083] The vehicle interior system 100B is a system mounted on a vehicle VB, and includes a vehicle seat SB provided on the vehicle body floor of the vehicle VB, and a cushion body CsB on which an occupant H can be held. The vehicle seat SB includes a seat cushion 1B, a seat back 2B, a headrest 3, and an ottoman 4, and a seat air cell 55 is provided as an electric device 5 within the left and right bank portions of the seat cushion 1B and the seat back 2B. In addition, the cushion body CsB is provided with a cushion body air cell 24 as a movable portion 22. The seat air cell 55 and the cushion body air cell 24 correspond to the inflatable and deflatable bag body of the present invention.

[0084] In addition, the vehicle interior system 100B has a seat control unit 10 that communicates with and controls the seat air cell 55 and the cushion air cell 24, and a traveling direction acquisition unit 12 that acquires the traveling direction of the vehicle VB, and the seat control unit 10 operates the seat air cell 55 and the cushion air cell 24 in conjunction with each other based on the traveling direction of the vehicle VB acquired by the traveling direction acquisition unit 12.

[0085] The seat air cell 55 provided in the vehicle seat SB is a device that protrudes (overhangs) toward the occupant H and partially presses the back or thighs of the occupant H. The seat air cell 55 is connected to an air pump (not shown) via a tube and is configured to be inflatable and deflated by injecting and discharging a fluid such as air from the air pump. The air pump operates based on a control signal from the seat control unit 10. In this embodiment, the seat air cell 55 is provided independently in the bank portion of the seat back 2 and the seat cushion 1, and hereinafter, the seat air cell 55 arranged on the right side of the seat is referred to as the right seat air cell 55a, and the seat air cell 55 arranged on the left side of the seat is referred to as the left seat air cell 55b.

[0086] Each air cell may be provided by stacking a plurality of bags. Also, one of the stacked bags may be inflated without moving the other bag, thereby adjusting the degree of shape change caused by the air cell. Although the seat air cell 55 is provided within the bank portion of the seat cushion 1 and the seat back 2, it may be provided on the seating surfaces of the seat cushion 1 and the seat back 2 that directly support the back and thighs of the occupant. The seat air cell 55 may be provided in a position that supports the lower back of the occupant H, like a lumbar support. Also, the seat air cell 55 may be provided in a plurality of locations so that the shape can be changed locally.

[0087] As shown in Figs. 7 and 9, the cushion air cells 24 provided in the cushion CsB are arranged side by side on the left and right sides on the back side of the cushion CsB (the side facing the occupant H when held by the cushion CsB). The cushion air cell 24 is connected to an air pump (not shown) in the cushion CsB via a tube, and is configured to be inflatable and deflated by injecting and discharging a fluid such as air from the air pump. The cushion body air cell 24 arranged on the right side of the cushion body CsB is referred to as a cushion body right air cell 24a, and the cushion body air cell 24 arranged on the left side of the cushion body CsB is referred to as a cushion body left air cell 24b.

[0088] In the vehicle interior system 100B of the third embodiment, the seat air cell 55 and the cushion air cell 24 provided in the vehicle seat SB are used to notify the occupant H of the traveling direction of the vehicle VB. When the traveling direction acquisition unit 12 acquires the traveling direction of the vehicle VB, the seat control unit 10 notifies the occupant H of the traveling direction of the vehicle VB by operating the seat air cell 55 and the cushion air cell 24 in conjunction with each other based on the traveling direction of the vehicle VB.

[0089] Specifically, when the travel direction acquisition unit 12 acquires a travel direction to the right, the seat control unit 10 performs a rightward posture change operation in which the air cell 24 for the cushion body is expanded or contracted to change the shape of the cushion body CsB, and the air cell 55 for the seat back 2B is expanded or contracted to change the shape of the seat back 2B so that the occupant H assumes a rightward posture.

[0090] More specifically, when the traveling direction acquisition unit 12 acquires a rightward traveling direction, the seat controller 10 inflates the right cushion air cell 24a and contracts the left cushion air cell 24b of the cushion CsB, as shown in Fig. 8. The seat controller 10 also contracts the right seat air cell 55a on the right side of the seat back 2B and inflates the left seat air cell 55b on the left side. By performing the rightward posture change operation, the left shoulder of the occupant H is pushed forward (in the direction of arrow C1 in Figure 9) and the right side of the chest is pushed backward (in the direction of arrow C2 in Figure 9), so that the occupant H turns to the right in line with the direction of travel of the vehicle VB, thereby suppressing motion sickness.

[0091] In addition, when the travel direction acquisition unit 12 acquires a travel direction to the left, the seat control unit 10 performs a leftward posture change operation in which the air cell 24 for the cushion body is expanded or contracted to change the shape of the cushion body CsB, and the air cell 55 for the seat back 2B is expanded or contracted to change the shape of the seat back 2B so that the occupant H assumes a leftward posture. At this time, the seat control section 10 operates the cushion air cell 24 and the seat air cell 55 so as to perform a movement opposite to the rightward attitude changing movement.

[0092] Specifically, when the traveling direction acquisition unit 12 acquires the traveling direction to the left, the seat control unit 10 inflates the left cushion air cell 24b of the cushion body CsB and contracts the right cushion air cell 24a. The seat control unit 10 also contracts the left seat air cell 55b on the left side of the seat back 2B and inflates the right seat air cell 55a on the right side. By performing the leftward posture change operation, the right shoulder of the occupant H is pushed forward and the left side of the chest is pushed backward, so that the occupant H turns to the left in line with the direction of travel of the vehicle VB, thereby suppressing motion sickness.

[0093] In addition, when the travel direction acquisition unit 12 acquires the acceleration when the vehicle VB travels to the left or right, the seat control unit 10 may change the expansion and contraction operation of the cushion air cell 24 and the seat air cell 55 based on the magnitude and direction of the acceleration. For example, when the acceleration is large, the air cell is expanded to a greater extent, and the posture of the occupant H is tilted to a greater extent.

[0094] The seat air cell 55 provided in the seat cushion 1B may also be operated based on the traveling direction or the acceleration direction of the vehicle VB, similar to the seat air cell 55 provided in the seat back 2B. In addition, in this embodiment, the seat air cells 55 are arranged on the bank portion, but the seat air cells 55 may also be provided on the seating surface. The seat air cells 55 arranged on the seating surface may also be operated based on the traveling direction or the acceleration direction of the vehicle VB. For example, when a rightward traveling direction or acceleration is acquired, the seat air cell 55 arranged on the bank on the right side of the seat and the seat air cell 55 arranged on the right side of the seat seating surface are contracted, and the seat air cell 55 arranged on the bank on the left side of the seat and the seat air cell 55 arranged on the left side of the seat seating surface are inflated. By performing the operations in this manner, the occupant H can be more stably directed in the traveling direction or the acceleration direction.

[0095] 7 and 9, the cushion body air cells 24 are configured to expand and contract in the front-rear direction of the seat toward the occupant H, but the expansion and contraction direction of the cushion body air cells 24 is one example and is not limited thereto. Figures 10 and 11 show other examples of changes in the shape of the cushion body CsB.

[0096] The cushion body CsC of the vehicle interior system 100C shown in Figure 10 is configured so that when an occupant H is holding the cushion body CsC, the air cells 24 for the cushion body expand and contract in the left and right direction based on the direction of travel or acceleration of the vehicle VC, thereby changing the shape of the cushion body CsC.

[0097] For example, when the travel direction acquisition unit 12 detects the travel direction or acceleration of the vehicle VC to the right, the seat control unit 10 contracts the right air cell 24aC for the cushion body located on the right side to the left (in the direction of arrow E in Figure 10) to cause the right end of the cushion body CsB to be recessed to the left (in the direction of arrow F in Figure 10). At this time, the cushion left air cell 24bC located on the left side may be inflated leftward so that the left end of the cushion CsC becomes more convex than the reference position. In addition, in coordination with the deformation of the cushion body CsC, the seat control unit 10 deforms the seat back 2B and the seat cushion 1B of the vehicle seat SB using the seat air cell 55. The deformation of the cushion body CsC and the vehicle seat SB based on the traveling direction and acceleration allows the occupant H to adjust his / her posture to the traveling direction and acceleration, thereby suppressing motion sickness.

[0098] In addition, in the cushion body CsD of the vehicle interior system 100D shown in FIG. 11, when the occupant H holds the cushion body CsD, the shape of the cushion body CsD changes in an upward diagonal direction based on the direction of travel or the direction of acceleration.

[0099] For example, when the traveling direction acquisition unit 12 detects the traveling direction or acceleration of the vehicle VD to the right, the seat control unit 10 inflates the right cushion air cell 24aD located on the right side in the upper right direction (the direction of the arrow G in FIG. 11). At the same time, the seat control unit 10 may contract the left cushion air cell 24bD located on the left side. Furthermore, in cooperation with the deformation of the cushion CsD, the seat control unit 10 deforms the seat back 2B and the seat cushion 1B of the vehicle seat SB using the seat air cell 55. The expansion of the cushion CsD in the upper right direction allows the occupant H to intuitively know that the traveling direction or the direction of acceleration is to the right.

[0100] In cooperation with the deformation of the cushion body CsD, the seat control unit 10 deforms the seat back 2B and the seat cushion 1B of the vehicle seat SB using the seat air cell 55. This causes the cushion body CsD and the vehicle seat SB to deform, enabling the occupant H to adjust his / her posture to the traveling direction or the direction of acceleration, thereby suppressing motion sickness.

[0101] In addition, in the cushion body CsB of the vehicle interior system 100B shown in Fig. 9, the occupant H uses the cushion body CsB by embracing it, but the method of holding the cushion body CsB is not limited to this. For example, as in the vehicle interior system 100E shown in Fig. 12, the cushion body CsE may be used as a knee cushion.

[0102] In the vehicle interior system 100E, the occupant H places the cushion body CsE on his / her lap and presses the cushion body CsE from above. Therefore, by expanding one of the air cells located on the left and right and contracting the other, the cushion body CsE is deformed, and the cushion body CsE is bent in the direction in which the vehicle V turns, which encourages the occupant H to change his / her posture.

[0103] For example, as shown in Fig. 12, when the seat control unit 10 acquires the rightward traveling direction or acceleration of the vehicle VE by the traveling direction acquisition unit 12, the right air cell 24aE for the cushion on the right side is expanded downward (the direction of the arrow M in Fig. 12), and the left air cell 24bE for the cushion on the left side is contracted upward (the direction of the arrow N in Fig. 12). The cushion CsE is deformed by the built-in air cell, and the cushion CsE is bent in the direction in which the vehicle turns (the traveling direction). This makes it possible to encourage the occupant H to change his / her posture, for example, by leaning leftward.

[0104] <Support section 25> In the vehicle interior system 100 shown in Fig. 1, the occupant H holds the cushion body Cs with both hands to transmit the operation of the movable part 22 to the occupant H, but there are cases where the cushion body Cs cannot be held by hands. For this reason, as in the cushion body CsF shown in Fig. 13, a support part 25 extending from the outer periphery of the main body of the cushion body CsF may be provided, and the tip of the support part 25 may be attached to the vehicle seat SB or the door D, etc., so that the cushion body CsF is fixed to the occupant H.

[0105] 13 is provided with a shoulder support portion 25a attached to the seat back 2 and supporting the shoulders of the occupant H, and a waist support portion 25b attached to the seat cushion 1 and supporting the waist of the occupant H. The main body of the cushion body CsF is provided with a movable portion 22 such as a vibrator or air cell, similar to the cushion body Cs of the first embodiment and the cushion body CsB of the third embodiment, and is configured to inform the occupant H of the traveling direction by vibrating or expanding / contracting.

[0106] The shoulder support portion 25a and the waist support portion 25b may be configured as an electrically extendable and retractable device, and may be configured so that the amount of extension and retraction can be controlled by the seat control portion 10. Thereby, when the travel direction acquisition portion 12 acquires the rightward travel direction or acceleration of the vehicle VF, the seat control portion 10 can operate the shoulder support portion 25a and the waist support portion 25b to incline the occupant H toward the travel direction by extending or retracting the shoulder support portion 25a and the waist support portion 25b based on the travel direction or acceleration.

[0107] Also, the cushion vibrator 23F may be provided at the tip of the shoulder support portion 25a and the waist support portion 25b. By providing the cushion vibrator 23F, the occupant H can receive information about the traveling direction from the shoulders and waist.

[0108] <Center of gravity change member 26> In the vehicle interior system 100 of the first embodiment, a vibrator or an air cell is used as the movable portion 22 provided on the cushion body Cs, but the movable portion 22 is not limited to a vibrator or an air cell. For example, as in a vehicle interior system 100G shown in Fig. 14, a center-of-gravity changing member 26 movable in the left-right direction may be provided inside the cushion body CsG. The center-of-gravity changing member 26 is made of, for example, a metal weight, and is configured to be electrically movable in the left-right direction inside the cushion body CsG using an actuator or the like. Also, the center-of-gravity changing member 26 is capable of communicating with the seat control unit 10, and is configured to be movable in the left-right direction in response to an instruction signal from the seat control unit 10.

[0109] When the traveling direction acquisition unit 12 detects the rightward traveling direction or acceleration of the vehicle V, the seat control unit 10 moves the center of gravity changing member 26 in the left-right direction according to the traveling direction or the acceleration direction, thereby encouraging the occupant H to change his / her posture. For example, when detecting a leftward traveling direction, the seat control unit 10 moves the center-of-gravity changing member 26 from the center of the cushion body CsG to the left (the direction of the arrow K in FIG. 14) to move the center of gravity to the left side. This encourages the occupant H to lean to the left.

[0110] The center-of-gravity changing member 26 that is electrically moved may be used in combination with the movable part 22 that is a vibrator, an air cell, or the like. By using the center-of-gravity changing member 26 in combination with the vibrator or the air cell, the traveling direction and acceleration of the vehicle V can be notified more accurately.

[0111] <Door D> In addition, in the vehicle interior system 100 shown in FIG. 1, the vehicle seat S and the cushion body Cs are used to notify the traveling direction of the vehicle V, etc., but as in the vehicle interior system 100H shown in FIG. 15, the traveling direction of the vehicle VH, etc. may be notified by expanding and contracting a door air cell 27 provided on the interior side surface of the door D.

[0112] The door D is an interior member adjacent to the vehicle seat S, and corresponds to the door member of the present invention. The door air cell 27 is an electric device 5 provided on the door D. The door air cell 27 is controlled by the seat control unit 10. The cushion body of the vehicle interior system 100H may be any of the cushion bodies Cs, CsA to CsG shown in the first to third embodiments, and the vehicle seat may be any of the vehicle seats S, SA, SB shown in the first to third embodiments.

[0113] The seat control unit 10 may operate the door air cell 27 in cooperation with the cushion body vibrator 23 (movable portion 22) of the cushion body Cs based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit 12.

[0114] For example, when the vehicle VH is traveling to the right, the door air cell 27 is expanded to the right (the direction of the arrow L in FIG. 15) from the door D on the left side of the occupant H to encourage the occupant H to lean to the right. At this time, the cushion body Cs held by the occupant H operates to notify that the vehicle VH is traveling to the right. The door air cell 27 provided on the door D may be linked to an electric device 5 (vibrator, air cell) provided on the vehicle seat S.

[0115] <Lighting 28> In the vehicle interior system 100 of the first embodiment, the traveling direction of the vehicle V and the like are notified to the occupant H using the vibrators provided on the vehicle seat S and the cushion body Cs, but as in the vehicle interior system 100I shown in Fig. 16, a plurality of lights 28 may be provided on the interior members of the vehicle VI to notify the traveling direction of the vehicle VI and the like through the vision of the occupant H. The lights 28 are electric devices 5, and the lights 28 are controlled by the seat control unit 10.

[0116] For example, as shown in Fig. 16, a plurality of ceiling lights 28r are arranged in a line in the vehicle width direction on the interior ceiling (interior member). The seat control unit 10 changes the position where the ceiling light 28r is lit based on the traveling direction and the acceleration direction of the vehicle VI. For example, when the traveling direction of the vehicle V is to the right, the seat control unit 10 controls the lit lights among the plurality of ceiling lights 28r to move from right to left.

[0117] Furthermore, when the seat lights 28s are provided on the left and right sides of the vehicle seat S, the seat control unit 10 lights up either the left or right seat light 28s based on the traveling direction of the vehicle V. For example, when the traveling direction of the vehicle V is to the right, the seat lights 28s that are provided on the right side of the vehicle seat S are turned on. At this time, the seat control unit 10 may control the lights to blink or move in the forward and backward directions.

[0118] Furthermore, when the door light 28d is provided on the left and right doors D of the vehicle V, the seat control unit 10 turns on the door light 28d provided on either the left or right door D based on the traveling direction of the vehicle VI. For example, when the traveling direction of the vehicle VI is to the right, the door light 28d provided on the right door is turned on. At this time, the seat control unit 10 may control the light to blink or to move the light among the multiple door lights 29d that are turned on. In addition, the travel direction of the vehicle V and the direction and magnitude of acceleration may be notified by lighting up the illumination member (monitor, etc.) of the wearable device held by the occupant H. The cushion body of the vehicle interior system 100I may be any of the cushion bodies Cs, CsA to CsG shown in the first to third embodiments, and the vehicle seat may be any of the vehicle seats S, SA, SB shown in the first to third embodiments.

[0119] <Manufacturing method for vehicle interior system> The vehicle interior system 100 may be manufactured by a manufacturing method that includes preparing an interior member (vehicle seat S) to be provided in a vehicle (vehicle V), an electric device 5 provided in the interior member, a cushion body Cs on which an occupant H can be held, a movable part 22 provided in the cushion body Cs, a control unit (seat control unit 10) that communicates with and controls the electric device 5 and the movable part 22, and a traveling direction acquisition unit 12 that connects to the control unit and acquires the traveling direction of the vehicle, and having the control unit operate the electric device 5 and the movable part 22 of the cushion body Cs in conjunction with each other based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit 12.

[0120] The embodiment of the present invention has been described above with reference to the drawings. Although the cushion body Cs is newly introduced in the vehicle interior system shown above, a part of the own seat or another seat may be used as the cushion body Cs. For example, the armrest, neck rest cushion, lumbar cushion, headrest 3, armrest, and upper part of the seat back 2 of the own seat may be removed and used as the cushion body Cs. Also, the seat back 2 of the front seat may be tilted backward to use a part of the seat back 2 or the headrest 3 as the cushion body Cs. If the seat back 2 or the headrest 3 is provided with an air cell, it can be used as the cushion body Cs by inflating the air cell to a large extent. When using a part of the occupant's own seat or another seat as the cushion body Cs, the occupant H is notified of the traveling direction of the vehicle V by operating a built-in movable part (vibrator or air cell) and the electric device 5 in conjunction with each other. When a part of the occupant's own seat or another seat is not used as the cushion body Cs, it is preferable not to perform the linked operation. [Explanation of symbols]

[0121] 100, 100A~100I Vehicle interior systems V, VA~VI Vehicles S, SA, SB Vehicle seats (interior parts) D Doors (interior parts, door parts) W Window Sh seat body Tr epidermis P Pad H Crew 1 seat cushion 1a Side Support 2 Seat back 2a Side Support 3 Headrest 4 Ottoman 5 Electric equipment 7 Reclining device 8 Slide rail device 8a Lower rail 8b Upper Rail 9 Height adjustment device 10 Seat control unit (control unit) 11. Communications equipment 12 Traveling direction acquisition section 13 External information acquisition department 14 Collision Prediction Section 15 Cushion body storage section 15a Power supply unit 16 Attitude detection unit 16a Sheet sensor 16b In-car camera Cs, CsA~CsG Cushion body 20 Cushion body control section 21 Communication equipment 22 Moving parts 23, 23A, 23F Cushion Vibrator 23a, 23aA Right side vibrating body for cushion body 23b, 23bA Left side vibration body for cushion body 24 Air cell for cushion body 24a, 24aC, 24aD, 24aE Right side air cell for cushion body 24b, 24bC, 24bD, 24bE Left air cell for cushion body 25 Support section 25a Shoulder support 25b Waist support 26 Center of gravity change parts 27 Door air cell (electric device) 28 Lighting 28r ceiling lighting 28s Seat Lighting 28d Door lighting BT Battery 51, 51A Seat vibrator (electric device) 51a, 51aA Right vibrator for seat 51b, 51bA Left seat vibrator 55 Air cells for seats (bags, electric devices) Right air cell for 55a seat 55b seat left air cell

Claims

1. An interior member provided in the vehicle; An electric device provided in the interior member; A cushion body that can be held by an occupant; A movable portion provided on the cushion body; A control unit that communicates with and controls the electric device and the movable unit; a travel direction acquisition unit connected to the control unit and configured to acquire a travel direction of the vehicle; The control unit operates the electric device and the movable unit in conjunction with each other based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit.

2. The movable portion and the electric device are each constituted by a vibrating body, The vehicle interior system according to claim 1, characterized in that the control unit operates the movable unit and the electric device in conjunction with each other based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit.

3. The traveling direction acquisition unit is capable of acquiring an acceleration when the vehicle travels in a leftward or rightward direction, 3. The vehicle interior system according to claim 2, wherein the control unit changes vibration operations of the vibrating bodies provided on the movable part and the electric device, respectively, based on the acceleration acquired by the traveling direction acquisition unit.

4. The movable portion and the electric device are composed of a plurality of the vibrating bodies arranged side by side, when the travel direction acquisition unit acquires travel in a rightward direction, the control unit vibrates the vibrator located on the left side of the occupant in sequence to the vibrator located on the right side of the occupant, thereby performing a rightward direction notification operation to notify the occupant that the vehicle is moving in a rightward direction, 3. The vehicle interior system according to claim 2, wherein, when the traveling direction acquisition unit acquires a traveling direction in the left direction, a leftward direction notification operation is performed to notify the occupant that the vehicle is moving in the leftward direction by vibrating the vibrator located on the right side of the occupant in sequence to the vibrator located on the left side of the occupant.

5. The movable portion and the electric device are configured with an inflatable and deflated bag body, The vehicle interior system according to claim 1, characterized in that the control unit operates the movable unit and the electric device in conjunction with each other based on the traveling direction of the vehicle acquired by the traveling direction acquisition unit.

6. The traveling direction acquisition unit is capable of acquiring an acceleration when the vehicle travels in a leftward or rightward direction, The vehicle interior system according to claim 5, characterized in that the control unit changes the expansion and contraction operation of the bag bodies provided on the movable unit and the electric device, respectively, based on the acceleration acquired by the traveling direction acquisition unit.

7. when the traveling direction acquisition unit acquires the traveling direction to the left, the control unit performs a leftward posture change operation to change a shape of the cushion body by the bag body of the cushion body and to change a shape of the interior member by the bag body of the electric device so that the occupant faces leftward; 7. The vehicle interior system according to claim 6, wherein, when the traveling direction acquisition unit acquires the traveling direction to the right, the control unit performs a rightward posture change operation in which the shape of the cushion body is changed by the bag body of the cushion body and the shape of the interior member is changed by the bag body of the electric device so that the occupant assumes a rightward posture.

8. A posture detection unit that detects the posture of the occupant, 2. The vehicle interior system according to claim 1, wherein the control unit changes the operation of the movable part of the cushion body and the operation of the electric device of the interior member based on the posture information of the occupant acquired by the posture detection unit.

9. The cushion body is provided so as to be attachable and detachable to a part of the interior member, 2. The vehicle interior system according to claim 1, wherein the control unit does not operate the cushion body in conjunction with the interior member when the cushion body is attached to the interior member.

10. an external information acquisition unit that acquires information about the surroundings of the vehicle; and a collision prediction unit that predicts a collision and a predicted collision direction of the vehicle based on the information acquired from the external information acquisition unit, 2. The vehicle interior system according to claim 1, wherein, when the collision prediction unit predicts a collision of the vehicle, the control unit operates the electric device of the interior member and the movable part of the cushion body based on the predicted collision direction predicted by the collision prediction unit, and notifies the occupant of the predicted collision direction.

11. 11. The vehicle interior system according to claim 1, wherein the interior member is a vehicle seat on which the passenger sits and a door member adjacent to the vehicle seat.

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