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Automobile roof collapse and deformation active protection airbag type head restraint device and control method thereof

An active protection, airbag technology, applied in special positions of vehicles, vehicle seats, vehicle parts, etc., can solve the problems of low passenger survival rate, casualties, and inability to effectively resist car passengers, so as to reduce the rate of occupant casualties, The effect of maintaining the living space and increasing the protection range

Active Publication Date: 2016-05-18
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Neither of the above two products can effectively resist the damage to the occupants caused by the large truck rolling over and pressing on the car or the goods in the large truck falling on the car, causing the roof to collapse and deform. Once an accident occurs, the survival rate of the passengers in the car is relatively low Low, easy to cause heavy casualties

Method used

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  • Automobile roof collapse and deformation active protection airbag type head restraint device and control method thereof
  • Automobile roof collapse and deformation active protection airbag type head restraint device and control method thereof
  • Automobile roof collapse and deformation active protection airbag type head restraint device and control method thereof

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Embodiment Construction

[0042] Such as Figure 1-Figure 2As shown, the present invention relates to an active protective airbag-type headrest device for roof collapse and deformation of an automobile, including a headrest protection mechanism and a corresponding electronic control system. The headrest protection mechanism includes a headrest 6 arranged above the seat 1, the headrest 6 is fixedly connected to the upper end of the headrest pillar 7 and is hinged on the headrest rotating shaft 9 through the headrest pillar 7, and the headrest rotating shaft 9 passes through The rotating shaft bracket 10 is fixed on the metal frame 18 inside the seat 1; an airbag 3 is embedded and installed in the front part of the headrest 6, and the airbag 3 is covered by the headrest sponge and leather, and its blasting is controlled by the SRS computer 24 when an accident occurs Expand to protect the occupant's head. In the seat 1, a headrest locking release mechanism is arranged between the back of the headrest pil...

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Abstract

The invention discloses an active protection airbag type headrest device for automobile roof collapse deformation and a control method of the active protection airbag type headrest device. The headrest device comprises a headrest protection mechanism and an electric control system. The headrest protection mechanism comprises a headrest hinged to a headrest rotary shaft through a headrest supporting column. The headrest rotary shaft is fixed to a metal framework inside a seat. A safety airbag is installed in the headrest. A headrest clamping release mechanism is arranged in the seat. A headrest support is arranged at the position, in front of the headrest supporting column, in the seat. The electric control system comprises a crash sensor, an infrared distance measurement sensor and a controller. By means of the headrest device, the crash degree of an automobile roof can be detected automatically, the seat and the headrest are controlled to move aslant, the airbag is released automatically, a protection device can be formed above the head of a passenger instantly, impact from the position above the passenger is resisted effectively, and the survival rate of the passenger is increased. By means of the control method of the active protection airbag type headrest device, it is effectively avoided that due to interference signals of the sensors, the controller operates by mistake, and the passenger is protected accurately and effectively.

Description

technical field [0001] The present invention relates to a car safety headrest, more precisely, the present invention particularly relates to a car roof collapse and deformation active protection for controlling the movement of the car seat headrest and the SRS airbag system by detecting the severity of the collision of the car roof An airbag type headrest device and a control method thereof. Background technique [0002] In recent years, with the increase in the number of cars, rollover accidents caused by overloaded trucks, speeding and other traffic accidents have occurred frequently. When the traffic is dense, large trucks often roll over and fall on the ground of small cars or large trucks. A major traffic accident in which cargo falls on a car, and the survival rate of the car passengers is low, causing heavy casualties. At present, domestic and foreign solutions to the problem of reducing losses caused by rollover of large vehicles are generally divided into two direc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R21/207B60R21/01B60N2/48
Inventor 王军年赵东炎任傲洪哲浩
Owner JILIN UNIV
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