JP2007118797A5

JP2007118797A5 -

Info

Publication number: JP2007118797A5
Application number: JP2005314322A
Authority: JP
Filing date: 2005-10-28
Publication date: 2008-02-28
Anticipated expiration: 2025-10-28

Claims

First and second collision detection devices each detecting a collision of a moving body;
A control device that outputs a collision confirmation signal according to the outputs of the first and second collision detection devices,
The controller is
The first and second collision detection devices detect a collision, or one of the first and second collision detection devices is determined to be abnormal in connection, and the other is within a predetermined first period. A collision determination system that outputs the collision determination signal in response to detection of a collision.

The first collision detection device includes:
Including a semiconductor collision sensor and outputting a safing signal according to the output of the semiconductor collision sensor;
The second collision detection device includes:
A collision detection sensor for detecting the collision of the moving body independently of the semiconductor collision sensor;
The controller is
A connection abnormality determining unit for determining a connection abnormality of the collision detection sensor based on an output of the collision detection sensor;
The safing signal is output and the collision detection sensor detects a collision, or the safing signal is output within the first period after determining the connection abnormality of the collision detection sensor. The collision determination system according to claim 1, further comprising: a control unit that outputs the collision confirmation signal.

The moving body is
A power source for driving the mobile body;
The collision determination system according to claim 2, further comprising: a blocking unit that blocks output of the power source in response to the collision determination signal.

The movable body further includes an airbag and an airbag ignition device,
The first collision detection device includes:
A safety sensor that detects a collision independently of the semiconductor collision sensor; wherein the safety sensor detects a collision; and an output of the semiconductor collision sensor is a first condition for deploying the airbag. In response to satisfying the condition, an ignition instruction is output to the airbag igniter, and a second condition in which an output of the semiconductor collision sensor does not satisfy the first condition but is estimated that some kind of collision has occurred. The collision determination system according to claim 3, wherein the safing signal is output in response to satisfying the condition.

The collision determination system according to claim 4, wherein the first period is set to be equal to or longer than a period required for the control device to receive the safing signal.

The controller determines the collision confirmation signal in response to a connection abnormality being determined in one of the first and second collision detection apparatuses and the other in a predetermined second period. The collision determination system according to claim 1, further outputting

The moving body is
A power source for driving the mobile body;
A shut-off unit that shuts off the output of the power source in response to the collision confirmation signal,
The collision determination system according to claim 6, wherein each of the first and second collision detection devices includes a collision detection sensor that detects a side collision of the moving body.

The collision determination according to claim 7, wherein the first period and the second period are set to be equal to or longer than a period required for the control apparatus to receive the outputs of the first and second collision detection apparatuses. system.

First and second collision detection devices each detecting a collision of a moving body;
A controller that outputs a collision confirmation signal in response to the outputs of the first and second collision detectors;
The controller is
A connection abnormality determination unit that determines a connection abnormality of the second collision detection device based on an output of the second collision detection device and outputs a connection abnormality signal;
The collision confirmation signal is output in response to the first and second collision detection devices detecting a collision, or in response to receiving the connection abnormality signal and the first collision detection device detecting a collision. And a collision determination system.

First and second collision detection devices each detecting a collision of a moving body;
A controller that outputs a collision confirmation signal in response to the outputs of the first and second collision detectors;
The controller is
A first connection abnormality determination unit for determining a connection abnormality of the first collision detection device based on an output of the first collision detection device and outputting a connection abnormality signal;
A second connection abnormality determination unit that determines a connection abnormality of the second collision detection device based on an output of the second collision detection device and outputs a connection abnormality signal;
The first and second collision detection devices detect a collision, or receive the connection abnormality signal from one of the first and second connection abnormality determination units, and the first and second collision detections And a control unit that outputs the collision confirmation signal in response to the other of the devices detecting a collision.