JP6069449B1 - Vehicle protection device - Google Patents

Abstract

The number of possible collision modes is increased. A vehicle protection device (2) includes an airbag module (50) having an airbag (51) and an inflator (52), and an actuator (61) that is attached to a vehicle body so that the airbag module (50) can be rotated while changing its orientation. Have. The airbag module 50 can be deployed while being rotated by the actuator 61. [Selection] Figure 2

Description

  The present invention relates to a vehicle protection device.

Vehicles such as automobiles are provided with various vehicle protection devices.
For example, Patent Document 1 discloses a front airbag deployed on the front side of an occupant seated on a seat and a curtain airbag deployed on the outside of the occupant.
Thus, for example, when the automobile collides with another automobile or the like, the front airbag can be deployed on the front side of the occupant seated on the seat, and the occupant who has fallen forward with respect to the deployed front airbag can be supported. It is possible to protect the passengers.

JP 2014-151676 A

However, even if a plurality of airbags are deployed in the vehicle in this way, if an unexpected collision occurs, the occupant who falls down does not hit the airbag, or the airbag sufficiently loads the occupant. There is a possibility that it cannot be received.
And when it is going to respond | correspond to the unexpected collision form in this way, it is possible to add an airbag further. However, the vehicle is already provided with the front airbag and the curtain airbag as described above, and there is a possibility that a space for deploying the added airbag cannot be secured.

  Thus, in the vehicle protection device, it is required to increase the number of collision modes that can be handled without adding an airbag.

A vehicle protection device according to the present invention includes an airbag module having an airbag and an inflator that deploys the airbag, and an actuator that is mounted on the vehicle body so as to be able to rotate while moving the airbag module while changing its orientation. The actuator rotates the airbag module around a rotation center located in the deployment direction of the airbag module, and the airbag module is deployed in a state of being rotated by the actuator. it can.

Preferably, the actuator holds the airbag module by a holding member, rotates the holding member around a seat provided on the vehicle body, and the airbag module is used by an occupant seated on the seat. It is good to be provided so as to be movable along a part of the circumference of the virtual circle around the seating position around the occupant.
Preferably, the airbag module is a front airbag that can face the seat on the front side of the seat provided in the vehicle body, and the actuator is configured to rotate the seat around the airbag module by the holding member. It is good to rotate to left direction or right direction.

Preferably, the airbag module is controlled in the direction of the occupant in the outer direction of the vehicle body.

Preferably, the airbag module is driven to rotate to a position on a straight line connecting the planned collision portion of the vehicle body and the head of the occupant.

Preferably, the airbag module is a cyclist airbag that is deployed on the front side of the windshield of the vehicle body, and the actuator is disposed behind a holding member that extends rearward from a position fixed on the lower side of the hood of the vehicle body. The airbag module is held at the end, the holding member is rotated leftward or rightward with the fixing position of the holding member as a rotation center, and the airbag module is rotated leftward and rightward on the front side of the windshield. It is good to be able to deploy in the state that was done.

Preferably, the airbag module is provided so as to be movable so as to expand toward a collision object that collides with the vehicle body.

Preferably, it has a control part which controls rotation of the air bag module by the actuator, and the control part is used as input information used for predicting a collision mode, input information at the time of a collision, or input information of an in-vehicle situation. Based on the determination of the collision mode, based on the determination result of the collision mode, it is determined whether or not the airbag module needs to be rotated or the amount of rotation, and when the airbag module needs to be rotated, The airbag module may be driven to rotate by an actuator.

Preferably, the control unit determines the degree of coincidence between the deployment direction of the airbag and the impact input direction, the degree of coincidence between the direction in which the occupant falls due to the impact and the deployment direction of the airbag, It is preferable to determine at least one of the value, the presence / absence of an occupant, the size or weight of the occupant, and the distance between the occupant and the interior member of the body.

Preferably, the control unit may rotate the airbag module when a collision is predicted.

  Preferably, the actuator includes a wire or a link mechanism that rotates the airbag module by being driven by the control unit.

  Preferably, the actuator includes a displacement member that is displaced by seating on a seat provided in the vehicle body, and a wire or a link mechanism that rotates the airbag module with the displacement of the displacement member as an input. Good.

  In the present invention, the airbag module can be deployed while being rotated by the actuator. Therefore, by rotating, it becomes possible to cope with a plurality of collision modes with a single airbag module.

FIG. 1 is an explanatory view schematically showing the structure of an automobile to which the vehicle protection device according to the first embodiment of the present invention is applied. FIG. 2 is an explanatory diagram of a basic configuration of the vehicle protection device according to the first embodiment. FIG. 3 is an explanatory diagram of the arrangement of components of the vehicle protection device of FIG. FIG. 4 is a flowchart showing the flow of the rotation driving process of the airbag module by the control unit of FIG. FIG. 5 is an explanatory diagram of the arrangement of components of the vehicle protection device of the second embodiment. FIG. 6 is an explanatory diagram of a basic configuration of the vehicle protection device according to the third embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]
FIG. 1 is an explanatory view schematically showing the structure of an automobile 1 to which a vehicle protection device 2 according to a first embodiment of the present invention is applied.

The automobile 1 is a kind of vehicle. An occupant room in which an occupant gets in is formed in the front-rear center of the vehicle body of the automobile 1. A front chamber for arranging a fuel engine or the like is formed in the front portion of the vehicle body. A rear chamber that can be used as a cargo compartment or the like is formed in the rear portion of the vehicle body.
The passenger compartment includes a substantially square floor panel 11, a pair of A pillars 12 erected at the front corner of the floor panel 11, a pair of B pillars 13 erected at the center in the front-rear direction of the floor panel 11, and the floor panel 11. It has a pair of C pillars 14 erected on the rear corner. The upper end of the A pillar 12 and the upper end of the C pillar 14 are connected by a roof rail 15. The upper end of the B pillar 13 is joined to the center of the roof rail 15 in the front-rear direction. A substantially rectangular roof panel 16 is joined between the pair of left and right roof rails 15.
A toe board 17 is disposed between the front edge of the floor panel 11 and the lower portions of the pair of A pillars 12, and a dashboard 18 is disposed above the toe board 17. A windshield 19 is fitted so as to be surrounded by the dashboard 18, the upper portions of the pair of A pillars 12, and the front edge of the roof panel 16. A rear glass 20 is fitted between the upper portions of the pair of C pillars 14.
A front door that is rotatably supported by the A pillar 12 is disposed between the A pillar 12 and the B pillar 13 arranged in the front-rear direction. A rear door that is rotatably supported by the B pillar 13 is disposed between the B pillar 13 and the C pillar 14. A pair of side sills 21 are joined to both edges in the left-right width direction of the floor panel 11.
Thus, the passenger compartment of the automobile 1 is a substantially cubic box-shaped space.
A center tunnel 22 extending in the front-rear direction so as to protrude into the passenger compartment is formed at the center in the left-right width direction of the floor panel 11. A drive shaft for transmitting the driving force of the fuel engine to the rear wheels, for example, is disposed below the center tunnel 22.
A driver seat 23 on which a driver sits and a navigation seat 24 on which a navigator sits are attached to the front portion of the floor panel 11 side by side in the left-right width direction as front seats. The driver seat 23 has a seat portion 41 and a back portion 42. The navigation sheet 24 includes a seat portion 41 and a back portion 42. The center tunnel 22 is located between the seat 41 of the driver seat 23 and the seat 41 of the navigation seat 24. On the center tunnel 22, a shift lever 25, a side brake lever, a console box 26 as an interior member, and the like are attached.
In front of the driver seat 23 and the navigation seat 24, the dashboard 18 extending in the left-right width direction is located. A steering wheel 27 is provided in front of the driver seat 23 so as to protrude rearward from the dashboard 18.
A bench seat 28 on which a plurality of passengers can sit is attached as a rear seat to the rear portion of the floor panel 11. The bench seat 28 has a seat portion 41 and a back portion 42. The bench seat 28 has a lateral width equivalent to that of the floor panel 11. Up to three passengers can normally sit on the bench seat 28.

By the way, in the automobile 1, a vehicle protection device 2 for protecting passengers and the like at the time of a collision is used.
FIG. 2 is an explanatory diagram of a basic configuration of the vehicle protection device 2 according to the first embodiment.
The vehicle protection device 2 includes an airbag module 50, an actuator 61, and a control unit 71.

The airbag module 50 includes an airbag 51, an inflator 52, and a module base 53.
The airbag 51 is formed by sewing a cloth into a bag shape, for example.
The inflator 52 is a small tank that stores explosives and high-pressure gas. The inflator 52 is connected to the airbag 51.
The module base 53 is a metal plate, for example. An airbag 51 and an inflator 52 are fixed to the module base 53.
The airbag 51 is deployed from the module base 53 in a predetermined deployment direction.

The actuator 61 includes a rotation mechanism 62, a drive motor 66, a link mechanism 67, and a lock mechanism 68.
The rotation mechanism 62 attaches the airbag module 50 to the vehicle body so as to be rotatable. The rotation mechanism 62 has an L-shaped arm 63 whose one end is rotatably attached to the vehicle body, for example. The module base 53 of the airbag module 50 is fixed to the other end of the L-shaped arm 63. Accordingly, the airbag module 50 is attached to the vehicle body so as to be rotatable about the rotation axis of the rotation mechanism 62.
The drive motor 66 is, for example, a direct current motor. The drive motor 66 is attached to the vehicle body, for example.
The link mechanism 67 is, for example, a plurality of gears. The link mechanism 67 is provided between the drive motor 66 and the L-shaped arm 63. Thereby, the L-shaped arm 63 is rotationally driven by the driving force of the drive motor 66, and the airbag module 50 is rotationally driven with respect to the vehicle body. The link mechanism 67 may connect the drive motor 66 and the L-shaped arm 63 with a wire 92.
The lock mechanism 68 is a mechanism that locks the rotation of the airbag module 50 when the airbag 51 is deployed. The lock mechanism 68 is, for example, a hook provided on the vehicle body, and the airbag module 50 is prevented from rotating by hooking the hook on the L-shaped arm 63 before the airbag 51 is deployed. As a result, the airbag module 50 can deploy the airbag 51 at the rotational position that is rotationally driven by the drive motor 66.

FIG. 3 is an explanatory diagram of the arrangement of the components of the vehicle protection device 2 of FIG.
The L-shaped arm 63 of the actuator 61 is fixed to the floor panel 11 at a position where one end attached to the vehicle body is below the navigation seat 24. The L-shaped arm 63 extends forward from the navigation sheet 24 and is bent into the dashboard 18. The airbag module 50 is attached to the other end of the L-shaped arm 63 in the dashboard 18 in a rearward direction. In the initial state, the L-shaped arm 63 extends straight forward from the navigation sheet 24. In this initial state, the airbag module 50 faces the navigation sheet 24 in front of the navigation sheet 24. Further, the L-shaped arm 63 can be rotated leftward or rightward about the navigation sheet 24 by being driven by the drive motor 66. The airbag module 50 is provided so as to be movable along the circumferential direction around the navigation seat 24 on which an occupant is seated.
The airbag 51 has a substantially cubic shape that is long in the front-rear direction. The module base 53 is attached so that the cubic-shaped airbag 51 is deployed straight toward the navigation sheet 24. Thereby, the cubic airbag 51 can maintain the state toward the navigation seat 24 even when the L-shaped arm 63 of the actuator 61 is rotated leftward or rightward from the initial position. For example, even when the airbag 51 is rotated outward from the initial position, the airbag 51 is controlled so as to face the passenger near the center of the vehicle body.
Further, the dashboard 18 is provided with a plurality of broken portions 81. The plurality of broken portions 81 are provided side by side in the vehicle body width direction along the movable range of the airbag module 50 in the dashboard 18. Accordingly, the airbag 51 deployed inside the dashboard 18 can be selectively deployed through the broken portion 81 of the dashboard 18 and deployed rearward from the dashboard 18.
Hereinafter, the airbag 51 of this embodiment is also referred to as a front airbag 51.

The control unit 71 is, for example, a microcomputer device. The microcomputer device has a CPU, a ROM, a RAM, an input / output port, and a system bus for connecting them. The ROM stores a program for controlling the operation of the vehicle protection device 2. The CPU reads this program into the RAM and executes it. Thereby, the microcomputer device functions as the control unit 71 of the vehicle protection device 2.
An inflator 52, a drive motor 66, a lock mechanism 68, and various detection units are connected to the input / output port. The detection unit includes an outside camera 72 that images the outside of the vehicle, for example, from the passenger compartment to the front of the vehicle body, an in-vehicle camera 73 that images the inside of the vehicle, an acceleration sensor 74, a vehicle speed sensor 75, and a steering angle sensor 76. The control unit 71 controls the operation of the vehicle protection device 2 based on the input information from these detection units. The controller 71 controls, for example, the rotational driving of the airbag module 50 by the actuator 61.

Next, the operation of the vehicle protection device 2 will be described.
FIG. 4 is a flowchart showing the flow of the rotation driving process of the airbag module 50 by the control unit 71 of FIG. The control unit 71 periodically performs the process of FIG.

The controller 71 predicts and determines the collision mode based on the input information indicating the inside / outside situation of the vehicle body input to the input / output port before the collision (step ST1).
Here, the input information indicating the inside / outside situation of the vehicle body includes, for example, input information used for predicting a collision mode such as a captured image outside the vehicle, input information at the time of collision, and input information on the inside situation such as a captured image inside the vehicle.
In addition, examples of the collision mode include full lap collision, offset collision, oblique collision, and side collision. A full lap collision is, for example, a frontal collision with an oncoming vehicle across the entire vehicle width. The offset collision is, for example, a frontal collision with a deviation from the oncoming vehicle. The oblique collision is a frontal collision with an oncoming vehicle in a further shifted state. The side collision is a collision of another automobile 1 with the side surface of the vehicle body. And the behavior of the vehicle body and the behavior of the occupant at the time of the collision change due to the difference in the collision mode.
For this reason, in the prediction determination of the collision mode before the collision, the control unit 71 first determines and predicts the collision mode based on the input information indicating the inside / outside situation of the vehicle body.
For example, the control unit 71 predicts the relative position and relative speed of the preceding vehicle, the oncoming vehicle, and the structure from the captured image outside the vehicle, and further, the degree of coincidence between the initial deployment direction of the airbag 51 and the impact input direction, the impact Predict the magnitude of the value.
Further, the control unit 71 predicts the occupant's boarding position, the occupant's physique or weight from the captured image in the vehicle, and further, the degree of coincidence between the direction in which the occupant falls due to the impact and the initial deployment direction of the airbag 51, the occupant and the vehicle body The distance from the interior member is predicted.
Thus, the control unit 71 predicts and determines the collision mode.
Note that the control unit 71 may perform prediction determination of these collision modes not only during the normal time before the collision but also during the collision.

Next, the control unit 71 determines whether the airbag module 50 needs to be rotated and a rotation angle based on the predicted collision mode (step ST2). Here, the rotation angle may be a discrete value or a continuous value.
For example, when the predicted collision mode is a full-lap collision, the control unit 71 determines that the rotational driving of the airbag module 50 having the front airbag 51 is unnecessary.
When the predicted collision mode is an oblique collision, the control unit 71 determines that the rotational driving of the airbag module 50 having the front airbag 51 is necessary.
Further, the control unit 71 determines the rotation angle. The control unit 71 determines, for example, a turning angle for turning the airbag module 50 to a position on a straight line connecting the planned vehicle collision portion and the occupant's head.
Moreover, the control part 71 increases / decreases the rotation angle of the airbag module 50 according to a physique, when a passenger | crew's physique is large. For example, when the physique is large, since the distortion of the airbag 51 may increase, the rotation angle is decreased.

When the airbag module 50 needs to be rotated, the control unit 71 releases the lock mechanism 68 and drives the airbag module 50 with the driving amount by the actuator 61 (step ST3). Thereby, for example, the airbag 51 can be deployed toward the occupant from the direction in which the occupant seated on the navigation seat 24 falls. Thereafter, the control unit 71 operates the lock mechanism 68. As a result, the airbag module 50 is locked in a state in which it cannot be rotated at the rotated position.
When the driving of the airbag module 50 is not necessary, the control unit 71 ends the process without driving the actuator 61.

As described above, the airbag module 50 is appropriately rotated before the collision, and the control unit 71 determines the occurrence of the collision by a collision determination process different from that in FIG.
In the collision determination process, the control unit 71 determines the occurrence of a collision based on various detection information input to the input / output port.
When a collision occurs, the control unit 71 outputs an ignition signal to the inflator 52. The control unit 71 adjusts the timing at which the ignition signal is output to the inflator 52 so that the occupant enters the airbag at the timing at which the airbag 51 is deployed to the maximum size, or immediately before or immediately after that.
When an ignition signal is input to the inflator 52, the airbag module 50 ignites explosives and blows out high-pressure gas to the airbag 51. As a result, the airbag is deployed. The airbag 51 starts to be deployed when the inflow of the high-pressure gas starts, breaks through the fractured portion 81 of the dashboard 18, reaches the maximum size thereafter, and starts to discharge the gas when the internal pressure further increases. When the occupant hits the deployed airbag 51, the occupant can be protected as compared with the case where the occupant hits an interior part or the like.
Further, the airbag module 50 can be appropriately rotated before the collision, and the airbag 51 can be deployed from the direction of the fall toward the occupant regardless of the direction in which the occupant seated on the navigation seat 24 falls.
For example, in the case of a full wrap collision, the control unit 71 can deploy the airbag 51 rearward from the front front side of the navigation seat 24.
Further, in the case of an oblique collision, the control unit 71 can deploy the airbag 51 from the direction in which the occupant seated on the navigation seat 24 falls to the occupant in the obliquely rearward direction.

  As described above, in the present embodiment, the airbag module 50 rotates along the circumferential direction around an occupant seated on the navigation seat 24. Thus, the airbag 51 can be deployed toward the occupant from the direction in which the occupant seated on the navigation seat 24 falls down regardless of the collision mode. For example, an occupant can be supported by the airbag 51 that is deployed from the front-facing direction not only during a full-wrap collision but also during an offset collision or an oblique collision.

[Second Embodiment]
The vehicle protection device 2 according to the second embodiment of the present invention includes an airbag 51 that is deployed outside the vehicle, such as in front of the windshield 19. The basic configuration of the vehicle protection device 2 of the second embodiment is the same as that of FIG. 2 of the first embodiment. In the following description, components corresponding to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof is omitted.

Drawing 5 is an explanatory view of arrangement of the component of vehicle protection device 2 of a 2nd embodiment.
The rotation mechanism 62 of the actuator 61 has a long arm 64 whose one end is rotatably attached to the vehicle body, for example. The module base 53 of the airbag module 50 is fixed to the other end of the long arm 64.
One end of the long arm 64 is fixed to the vehicle body under the hood. The long arm 64 extends rearward under the hood. Then, the airbag module 50 is attached to the other end of the long arm 64 on the lower side of the hood so as to face upward. Accordingly, the airbag module 50 is attached to the vehicle body so as to be rotatable about the rotation axis of the rotation mechanism 62.
The long arm 64 is in the initial state when extended along the front-rear direction. The long arm 64 can be rotated leftward or rightward by being driven by the drive motor 66. The airbag module 50 is provided so as to be movable along the circumferential direction around, for example, the central portion of the front end of the vehicle body.
The airbag 51 has a substantially cylindrical shape that is long in the vertical direction. The airbag 51 is deployed in front of the windshield 19.
Hereinafter, the airbag 51 of this embodiment is also referred to as a cyclist airbag 51.

Next, the operation of the vehicle protection device 2 will be described.
The overall flow of the rotation driving process of the airbag module 50 by the control unit 71 of the present embodiment is the same as that in FIG.

The controller 71 predicts and determines the collision mode based on the input information indicating the inside / outside situation of the vehicle body input to the input / output port before the collision (step ST1).
For example, the control unit 71 predicts a collision with a bicycle from a captured image outside the vehicle.

Next, the control unit 71 determines whether the airbag module 50 needs to be rotated and a rotation angle based on the predicted collision mode (step ST2).
For example, when the predicted collision mode is a collision with the automobile 1, the control unit 71 determines that the rotational drive of the airbag module 50 having the cyclist airbag 51 is unnecessary.
When the predicted collision mode is a collision with a bicycle, the control unit 71 determines that the rotational driving of the airbag module 50 having the cyclist airbag 51 is necessary.
Further, the control unit 71 determines the rotation angle. For example, the control unit 71 predicts the vehicle body collision-scheduled part and the cyclist movement direction after the collision from the vehicle body movement direction and speed and the bicycle movement direction and speed, and the position on the extension of this movement direction. A turning angle for turning the airbag module 50 is determined.

When the airbag module 50 needs to be rotated, the control unit 71 releases the lock mechanism 68 and drives the airbag module 50 with the driving amount by the actuator 61 (step ST3). Thereby, for example, the airbag 51 can be deployed toward the cyclist from the direction in which the cyclist moves after the collision. Thereafter, the control unit 71 operates the lock mechanism 68. As a result, the airbag module 50 is locked in a state in which it cannot be rotated at the rotated position.
When the driving of the airbag module 50 is not necessary, the control unit 71 ends the process without driving the actuator 61.

  As described above, in the present embodiment, the airbag module 50 deployed for protecting the cyclist in front of the windshield 19 rotates in the direction in which the cyclist moves after the collision. Thereby, the airbag 51 can be deployed from the direction in which the cyclist moves regardless of the collision mode with the cyclist. An occupant can be supported by the airbag 51 that is deployed.

[Third Embodiment]
The vehicle protection device 2 according to the third embodiment of the present invention includes a front airbag 51 that is deployed on the navigation seat 24. In the following description, components corresponding to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof is omitted.

FIG. 6 is an explanatory diagram of a basic configuration of the vehicle protection device 2 according to the third embodiment.
The actuator 61 of the vehicle protection device 2 includes a rotation mechanism 62, a displacement member 91, and a wire 92.
The displacement member 91 is embedded under the seating position of the navigation seat 24. The displacement member 91 is displaced according to the load of the seated occupant at the seating position.
The wire 92 directly connects the displacement member 91 and the L-shaped arm 63.

In the present embodiment, when the occupant is seated at the center of the seating position of the navigation seat 24, the displacement member 91 is not displaced.
On the other hand, when the occupant is seated so that the load is biased inward or outward at the seating position of the navigation seat 24, the displacement member 91 is displaced. The wire 92 is rotated by pulling the L-shaped arm 63 in the displacement direction using the displacement of the displacement member 91 as an input.

  The above embodiment is an example of a preferred embodiment of the present invention, but the present invention is not limited to this, and various modifications or changes can be made without departing from the scope of the invention.

DESCRIPTION OF SYMBOLS 1 ... Automobile (vehicle), 2 ... Vehicle protection device, 11 ... Floor panel, 12 ... A pillar, 13 ... B pillar, 14 ... C pillar, 15 ... Roof rail, 16 ... Roof panel, 17 ... Toe board, 18 ... Dashboard , 19 ... windshield, 20 ... rear glass, 21 ... side sill, 22 ... center tunnel, 23 ... driver seat, 24 ... navigation seat, 25 ... shift lever, 26 ... console box, 27 ... steering wheel, 28 ... bench seat, 41 ... Seat part, 42 ... Back part, 50 ... Air bag module, 51 ... Air bag, 52 ... Inflator, 53 ... Module base, 61 ... Actuator, 62 ... Turning mechanism, 63 ... L-arm, 64 ... Long arm, 66 ... Drive motor, 67 ... Link mechanism, 68 ... Lock mechanism, 71 ... Control , 72 ... outside camera, 73 ... vehicle camera, 74 ... acceleration sensor, 75 ... vehicle speed sensor, 76 ... steering angle sensor, 81 ... breaks, 91 ... displacement member, 92 ... wire

Claims (12)

An airbag module having an airbag and an inflator for deploying the airbag;
An actuator for mounting the airbag module on the vehicle body so as to be able to move while changing its orientation;
Have
The actuator rotates the airbag module around a rotation center located in a deployment direction of the airbag module,
The airbag module can be deployed while being rotated by the actuator.
Vehicle protection device. The actuator holds the airbag module by a holding member, rotates the holding member around a seat provided on the vehicle body,
The airbag module is provided so as to be movable along a part of the circumference of a virtual circle around the occupant around the seating position of the occupant seated on the seat,
The vehicle protection device according to claim 1. The airbag module is a front airbag that can face the seat on the front side of the seat provided in the vehicle body,
The actuator rotates the airbag module leftward or rightward about the seat as a rotation center by the holding member.
The vehicle protection device according to claim 2. The airbag module is controlled toward the occupant in the outer direction of the vehicle body.
The vehicle protection device according to claim 2 or 3. The airbag module is rotationally driven to a position on a straight line connecting a collision-predicted portion of the vehicle body and the head of the occupant.
The vehicle protection device according to any one of claims 2 to 4. The airbag module is a cyclist airbag deployed on the front side of the windshield of the vehicle body,
The actuator holds the airbag module at a rear end of a holding member that extends rearward from a position fixed at a lower side of the hood of the vehicle body, and the holding member is moved leftward with the fixing position of the holding member as a rotation center. Or turn right,
The airbag module can be deployed in a state of being rotated left and right on the front side of the windshield,
Claim 1 Symbol placement of the vehicle protection device. The airbag module is movably provided so as to be deployed toward a collision object that collides with the vehicle body.
The vehicle protection device according to claim 6. A control unit for controlling the rotation of the airbag module by the actuator;
The controller is
Based on the input information used for predicting the collision mode, the input information at the time of the collision, or the input information of the in-vehicle situation, the collision mode is determined,
Based on the determination result of the collision mode, the necessity or amount of rotation of the airbag module is determined,
When the airbag module needs to be rotated, the actuator is rotated by the actuator.
The vehicle protection device according to any one of claims 1 to 7 . In the determination of the collision mode, the control unit determines the degree of coincidence between the deployment direction of the airbag and the impact input direction, the degree of coincidence between the direction in which the occupant falls due to the impact and the deployment direction of the airbag, and the magnitude of the impact value. Determining at least one of the presence / absence of an occupant, the size or weight of the occupant, and the distance between the occupant and the interior member of the vehicle body,
The vehicle protection device according to claim 8 . The control unit rotationally drives the airbag module when a collision is predicted.
The vehicle protection device according to claim 8 or 9 . The actuator is
A wire or a link mechanism that rotates the airbag module by being driven by the control unit;
The vehicle protection device according to any one of claims 8 to 10 . The actuator is
A displacement member that is displaced by seating on a seat provided in the vehicle body;
A wire or link mechanism that rotates the airbag module with the displacement of the displacement member as an input;
Having
The vehicle protection device according to any one of claims 1 to 11 .

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