OBSTACLE DETECTION DEVICE FOR VEHICLE AND MISACCELERATION MITIGATION DEVICE USING THE SAME
First Claim
1. An obstacle detection device for a vehicle which detects an obstacle in front by emitting an infrared beam in front of the vehicle, comprising:
- a first emitting-and-receiving part disposed on a center part in a width direction of a vehicle and configured to emit an infrared beam to a center region in front of the vehicle and receive a reflected signal from an obstacle;
a second emitting-and-receiving part disposed on at least one of a left side or a right side of the first emitting-and-receiving part and configured to;
emit an infrared beam so that the infrared beam spreads to at least one of the left side or the right side adjacently to a detection region of the infrared beam from the first emitting-and-receiving part; and
receive a reflected signal from the obstacle; and
an effective-range control part configured to control a maximum effective distance of obstacle detection by the first emitting-and-receiving part and a maximum effective distance of obstacle detection by the second emitting-and-receiving part,wherein the effective-range control part is configured to;
set the maximum effective distance of the first emitting-and-receiving part longer than the maximum effective distance of the second emitting-and-receiving part; and
extend the maximum effective distance of the second emitting-and-receiving part from an initial value when the obstacle is detected by the first emitting-and-receiving part.
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Accused Products
Abstract
To prevent a decrease in detection accuracy of an obstacle that occurs when an obstacle detection distance of an infrared beam at the center is set longer than an infrared beam of at least one of the left or the right, an obstacle detection device for a vehicle which detects an obstacle in front includes an effective-range control part 19 which controls the maximum effective distance of obstacle detection. The effective-range control part 19 extends the maximum effective distance of the second emitting-and-receiving parts 11b, 11c disposed on at least one of the left or the right from an initial value L1 to an extended value L2, when the first emitting-and-receiving part 11a at the center detects an obstacle 5.
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Citations
16 Claims
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1. An obstacle detection device for a vehicle which detects an obstacle in front by emitting an infrared beam in front of the vehicle, comprising:
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a first emitting-and-receiving part disposed on a center part in a width direction of a vehicle and configured to emit an infrared beam to a center region in front of the vehicle and receive a reflected signal from an obstacle; a second emitting-and-receiving part disposed on at least one of a left side or a right side of the first emitting-and-receiving part and configured to;
emit an infrared beam so that the infrared beam spreads to at least one of the left side or the right side adjacently to a detection region of the infrared beam from the first emitting-and-receiving part; and
receive a reflected signal from the obstacle; andan effective-range control part configured to control a maximum effective distance of obstacle detection by the first emitting-and-receiving part and a maximum effective distance of obstacle detection by the second emitting-and-receiving part, wherein the effective-range control part is configured to; set the maximum effective distance of the first emitting-and-receiving part longer than the maximum effective distance of the second emitting-and-receiving part; and extend the maximum effective distance of the second emitting-and-receiving part from an initial value when the obstacle is detected by the first emitting-and-receiving part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification