JPH0235017U - - Google Patents
Info
- Publication number
- JPH0235017U JPH0235017U JP11430788U JP11430788U JPH0235017U JP H0235017 U JPH0235017 U JP H0235017U JP 11430788 U JP11430788 U JP 11430788U JP 11430788 U JP11430788 U JP 11430788U JP H0235017 U JPH0235017 U JP H0235017U
- Authority
- JP
- Japan
- Prior art keywords
- road surface
- receiving
- receiver
- oscillator
- transmitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
Description
第１図は本考案の一実施例を示す路面状況検出
装置の発信器及び受信器の設置位置及び検出領域
の説明図、第２図は同上路面状況検出装置の一構
成例を示すブロツク図、第３図は本考案の別の実
施例を示す路面状況検出装置の発信器及び受信器
の設置位置及び検出領域の説明図、第４図は同上
路面状況検出装置の一構成例を示すブロツク図、
第５図は路面状況検知装置が設置された車両の路
面状況検出時の状態を示す側面図、第６図は従来
の路面状況検出装置の発信器及び受信器の設置位
置及び検出領域の説明図である。
１，１２，１５……発信器、２，３，１３，１
４……受信器、４……車両、６，１６，１９……
発信装置、５，７，１７，１８……受信・検波装
置、８，２０……制御装置、ＦＲ……前右輪、Ｆ
Ｌ……前左輪。
FIG. 1 is an explanatory diagram of the installation positions and detection areas of the transmitter and receiver of a road surface condition detection device showing an embodiment of the present invention, and FIG. 2 is a block diagram showing an example of the configuration of the same road surface condition detection device. FIG. 3 is an explanatory diagram of the installation positions and detection areas of the transmitter and receiver of a road surface condition detection device showing another embodiment of the present invention, and FIG. 4 is a block diagram showing an example of the configuration of the same road surface condition detection device. ,
FIG. 5 is a side view showing the state of a vehicle equipped with a road surface condition detection device during road surface condition detection, and FIG. 6 is an explanatory diagram of the installation positions and detection areas of the transmitter and receiver of the conventional road surface condition detection device. It is. 1, 12, 15... transmitter, 2, 3, 13, 1
4... Receiver, 4... Vehicle, 6, 16, 19...
Transmitting device, 5, 7, 17, 18... Receiving/detecting device, 8, 20... Control device, FR... Front right wheel, F
L...Front left wheel.
Claims (1)
る発信手段と、上記検出波の路面からの反射波を
受信する受信手段と、その受信された反射波の強
度や反射時間を検出し路面状況や障害物の有無等
を検出する検出手段とを備えた路面状況検出装置
において、上記受信手段として、車両の左右輪の
夫々の進行方向の路面からの反射波を左右独立に
検出する２つの受信器を設け、上記発信手段が一
つの発信器からなる時には各受信器の指向性軸を
夫々外側に向けて傾け、夫々の受信領域が相互に
干渉しないように設置し、上記発信手段が夫々の
受信器に対応した２つの発信器からなる場合には
、夫々の発信器の発信周波数を異なる周波数に設
定すると共に各発信器に対応する受信器の受信周
波数特性を夫々の発信器の発信周波数に合せて設
定したことを特徴とする路面状況検出装置。 A transmitting means for transmitting a detected wave toward the road surface in the direction of travel of the vehicle, a receiving means for receiving the reflected wave of the detected wave from the road surface, and a receiving means for detecting the intensity and reflection time of the received reflected wave to determine the road surface condition. and a detection means for detecting the presence or absence of an obstacle, etc., wherein the receiving means includes two receivers that independently detect left and right reflected waves from the road surface in the respective traveling directions of the left and right wheels of the vehicle. When the transmitting means consists of one transmitter, the directional axis of each receiver is tilted outward, and the respective receiving areas are installed so that they do not interfere with each other, and the transmitting means is In the case of two oscillators corresponding to a receiver, set the oscillation frequency of each oscillator to a different frequency, and set the receiving frequency characteristics of the receiver corresponding to each oscillator to the oscillation frequency of each oscillator. A road surface condition detection device characterized by being set together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11430788U JPH0235017U (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11430788U JPH0235017U (en) | 1988-08-31 | 1988-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235017U true JPH0235017U (en) | 1990-03-06 |
Family
ID=31354932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11430788U Pending JPH0235017U (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235017U (en) |
-
1988
- 1988-08-31 JP JP11430788U patent/JPH0235017U/ja active Pending
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