JPH0399604U

JPH0399604U -

Info

Publication number: JPH0399604U
Application number: JP747790U
Authority: JP
Priority date: 1990-01-31
Filing date: 1990-01-31
Publication date: 1991-10-18

Description

[Brief explanation of drawings]

第１図は本考案の一実施例に係わる路面状態予
測センサが使用されたサスペンシヨン装置を示す
ブロツク図、第２図は同路面状態予測センサの取
り付け位置を示す車両の側面図、第３図は送受信
器の取付け場所を示す平面図、第４図は送信パル
スを示す波形図、第５図はパルス数と切換時間ｔ
ｓとの関係を示す図、第６図は同実施例の動作を
示すフローチヤート、第７図は幅Ｗの突起に向け
て送信波を出力した場合の送信波、受信波等の関
係を示すタイミングチヤートである。２５……コントロールユニツト、２７……車速
センサ、２８……Ｇセンサ、４０……送受信器、
４１……送受信切換部。 FIG. 1 is a block diagram showing a suspension device in which a road surface condition prediction sensor according to an embodiment of the present invention is used, FIG. 2 is a side view of a vehicle showing the mounting position of the road surface condition prediction sensor, and FIG. 3 is a plan view showing the installation location of the transceiver, Fig. 4 is a waveform diagram showing the transmitted pulses, and Fig. 5 is the number of pulses and switching time t.
6 is a flowchart showing the operation of the same embodiment, and FIG. 7 is a diagram showing the relationship between the transmitted wave, the received wave, etc. when the transmitted wave is output toward a protrusion with a width W. This is a timing chart. 25...Control unit, 27...Vehicle speed sensor, 28...G sensor, 40...Transmitter/receiver,
41... Transmission/reception switching unit.

Claims

[Scope of utility model registration request]

a transmitting means for transmitting ultrasonic waves in a forward direction of the vehicle; a receiving means for receiving reflected waves of the ultrasonic waves transmitted from the transmitting means reflected on a road surface;
a detecting means for determining the reflected wave inputted to the receiving means and detecting the width in the traveling direction of the unevenness in front of the vehicle in the traveling direction; and attenuation of the suspension of the vehicle according to the width of the unevenness detected by the detecting means. A switching time setting means for setting a switching time for soft switching the force, and a switching time setting means for setting a switching time for soft switching the force, and when the width in the traveling direction of the unevenness in front of the vehicle traveling direction is detected by the detection means, the damping force is set for the switching time set by the switching time setting means. A suspension device for a vehicle, comprising a damping force switching means for soft switching.