JP2022048334A5

JP2022048334A5 -

Info

Publication number: JP2022048334A5
Application number: JP2022015363A
Authority: JP
Filing date: 2022-02-03
Publication date: 2023-03-01
Anticipated expiration: 2037-06-20

Claims

車体に略鉛直軸の回りに回転可能に支持されたシート本体と、
前記シート本体の左右両縁に設けられ、前記シート本体に着座する乗員の左右両側部に展開可能なエアバッグと、
前記シート本体に設けられ、前記シート本体の前記車体に対する回転角度を検出する回転角度検出装置と、
衝突時に前記エアバッグの展開動作を制御するとともに、前記回転角度検出装置によって検出された前記回転角度に基づいて、前記シート本体のシートクッションを変形させて前記乗員の大腿部を押し上げることにより、前記乗員の姿勢を前記シート本体に対して左右方向に傾ける制御装置と、を有する乗物用シート。 a seat body rotatably supported by a vehicle body about a substantially vertical axis;
an airbag that is provided on both left and right edges of the seat body and deployable on both left and right sides of an occupant seated on the seat body;
a rotation angle detection device provided in the seat body for detecting a rotation angle of the seat body with respect to the vehicle body;
By controlling the deployment operation of the airbag at the time of a collision and by deforming the seat cushion of the seat body based on the rotation angle detected by the rotation angle detection device to push up the occupant's thighs, and a control device for tilting the posture of the occupant in the lateral direction with respect to the seat body.

前記シート本体の前記シートクッションに設けられ、前記シートクッションの上面の左右両縁においてそれぞれ突出する左右一対のアクチュエータを有し、a pair of left and right actuators provided on the seat cushion of the seat body and protruding from left and right edges of an upper surface of the seat cushion;
前記制御装置は衝突時において、前記アクチュエータを突出させることにより、前記乗員の姿勢を左右方向に傾ける請求項１に記載の乗物用シート。 2. The vehicle seat according to claim 1, wherein the controller tilts the posture of the occupant in the lateral direction by projecting the actuator in the event of a collision.

前記シート本体の前記シートクッションに設けられ、前記乗員の前記大腿部を持ち上げることにより、前記乗員の姿勢を前記シート本体に対して左右方向に傾ける左右の姿勢制御用エアバッグを有し、left and right posture control airbags provided on the seat cushion of the seat body and tilting the posture of the occupant in the left and right direction with respect to the seat body by lifting the thighs of the occupant;
前記制御装置は衝突時において、前記姿勢制御用エアバッグを展開させることにより、前記乗員の姿勢を左右方向に傾ける請求項１に記載の乗物用シート。 2. The vehicle seat according to claim 1, wherein the control device inclines the occupant in the horizontal direction by deploying the attitude control airbag in the event of a collision.

前記制御装置は、左右の前記エアバッグの展開量、及び、展開のタイミングの少なくとも１つを含む展開動作を独立に制御可能である請求項１～請求項３のいずれか１つの項に記載の乗物用シート。4. The control device according to any one of claims 1 to 3, wherein the control device can independently control a deployment operation including at least one of a deployment amount and a deployment timing of the left and right airbags. vehicle seat.

前記シート本体に設けられ、前記シート本体に加わる加速度を検出する加速度検出装置を有し、an acceleration detection device provided on the seat body for detecting acceleration applied to the seat body;
前記制御装置は、衝突時において、前記加速度検出装置によって検出された前記加速度に応じて、左右の前記エアバッグの展開動作を制御する請求項１～請求項４のいずれか１つの項に記載の乗物用シート。The control device according to any one of claims 1 to 4, wherein the control device controls deployment operations of the left and right airbags according to the acceleration detected by the acceleration detection device at the time of a collision. vehicle seat.

前記制御装置は、衝突時において、前記回転角度が前記シート本体の前端が車内側に位置する内回転範囲にあるときに、前記乗員の車内側の前記大腿部を押し上げるべく、前記シートクッションを変形させる請求項１～請求項５のいずれか１つの項に記載の乗物用シート。At the time of a collision, when the rotation angle is within the inner rotation range in which the front end of the seat body is positioned on the vehicle interior side, the control device moves the seat cushion to push up the occupant's thighs on the vehicle interior side. The vehicle seat according to any one of claims 1 to 5, which is deformable.

前記制御装置は、衝突時において、前記回転角度が前記シート本体の前端が車内側に位置する内回転範囲外にあるときに、前記乗員を車外側の前記大腿部を押し上げるべく、前記シートクッションを変形させる請求項１～請求項５のいずれか１つの項に記載の乗物用シート。The controller controls the seat cushion to push up the occupant's thighs outside the vehicle when the rotation angle is outside the inner rotation range in which the front end of the seat body is positioned inside the vehicle at the time of a collision. The vehicle seat according to any one of claims 1 to 5, which deforms the

前記制御装置は、衝突時において、前記回転角度が前記シート本体の前端が車内側に位置する内回転範囲にあるときに、車内側の前記エアバッグを展開する請求項１～請求項５のいずれか１つの項に記載の乗物用シート。 6. The control device according to any one of claims 1 to 5, wherein , at the time of a collision, when the rotation angle is within an inward rotation range in which the front end of the seat body is positioned on the vehicle interior side, the airbag on the vehicle interior side is deployed. or a vehicle seat according to one of the clauses .

前記制御装置は、衝突時において、前記回転角度が前記シート本体の前端が車内側に位置する内回転範囲にあるときに、車内側の前記エアバッグの展開量を車外側よりも大きくする請求項１～請求項５のいずれか１つの項に記載の乗物用シート。 wherein, at the time of a collision, when the rotation angle is within an inward rotation range in which the front end of the seat body is positioned on the vehicle interior side, the control device makes the expansion amount of the airbag on the vehicle interior side larger than that on the vehicle exterior side. A vehicle seat according to any one of claims 1 to 5 .

前記制御装置は、衝突時において、前記回転角度が前記内回転範囲外にあるときに、車外側の前記エアバッグの展開量を車内側よりも大きくする請求項８又は請求項９に記載の乗物用シート。 10. The vehicle according to claim 8, wherein, at the time of a collision, when the rotation angle is outside the inner rotation range, the control device makes the expansion amount of the airbag on the outside of the vehicle larger than that on the inside of the vehicle. sheet for.

前記制御装置は、前記加速度に基づいて、前記シート本体に着座する前記乗員の移動方向を推定し、左右の前記エアバッグのうち、前記移動方向に位置する方の前記エアバッグの展開量を、他方よりも大きくする請求項５に記載の乗物用シート。 Based on the acceleration, the control device estimates the moving direction of the occupant seated on the seat body, and determines the deployment amount of the left or right airbag positioned in the moving direction as follows: 6. A vehicle seat according to claim 5, wherein one is larger than the other.