Occupant protection device

A technology for occupant protection and occupant, which is applied in the field of occupant protection devices and can solve problems such as increased degrees of freedom
CN112440923APending Publication Date: 2021-03-05SUBARU CORP
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
SUBARU CORP
Publication Date
2021-03-05

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Abstract

The invention relates to an occupant protection device, and provides an occupant protection device capable of properly protecting an occupant without delaying deployment of a main airbag during collision prediction regardless of whether the occupant holds a portable terminal or the like or a seat moves. The occupant protection device (101) is provided with: a main airbag device (50) that protectsan occupant (P) during a collision of a vehicle (1); a sub-airbag device (60) for whipping the arm of the occupant (P); and a control unit (110) that deploys the main airbag body (52) after deployingthe sub-airbag body (62) during collision prediction, in which the sub-airbag device (60) is provided to the seat (10), so that the sub-airbag body (62) can be directly deployed during collision prediction even if the seat (10) is moved by the seat slide device (20). It is possible to appropriately protect the occupant without delaying the deployment of the main airbag body (52).
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Description

technical field

[0001] The present invention relates to occupant protection devices. Background technique

[0002] In order to protect occupants from collisions and the like, vehicles such as automobiles are equipped with airbag devices as occupant protection devices.

[0003] The airbag device is generally composed of an impact sensor, an inflator, an airbag, a control device, and the like. When the impact sensor detects an impact due to a frontal collision or the like, the airbag device outputs a detection signal to the control unit, and the control unit transmits an operation signal to the inflator, which generates gas and sends it to the airbag. Also, the airbag is inflated instantaneously by the gas delivered from the inflator, and deployed in front of the occupant. As a result, the airbag catches the body of the occupant who moves forward due to the impact by the air pressure inside, and contracts while absorbing the kinetic energy. In this way, the airbag alleviate...

Claims

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