JPS62193579U - - Google Patents
Info
- Publication number
- JPS62193579U JPS62193579U JP8222386U JP8222386U JPS62193579U JP S62193579 U JPS62193579 U JP S62193579U JP 8222386 U JP8222386 U JP 8222386U JP 8222386 U JP8222386 U JP 8222386U JP S62193579 U JPS62193579 U JP S62193579U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic sensor
- sensor means
- ultrasonic
- frequency
- angle position
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案の超音波物体検知装置の一実施
例の検出ユニツトの断面平面図、第２図は第１図
に示す検出ユニツトが自動車に取り付けられてい
る状態を示す斜視図、第３図は本考案の超音波物
体検知装置の一実施例のブロツク図、第４図は本
考案の超音波物体検知装置の一実施例の作動のフ
ローチヤート、第５図は第１の超音波センサ手段
による目的領域の分割を示す模式的平面図、第６
図は第２の超音波センサ手段似よる第１の超音波
センサ手段の検知領域の分割を示す模式的平面図
である。
（符号の説明）、１…超音波物体検知装置、２
…第１の超音波センサ手段、３…第２の超音波セ
ンサ手段、４…旋回手段、５…作動制御手段、３
ａ，４ａ…超音波振動子、４ａ…旋回台、７…反
射板、９…検出ユニツト、Ａ…自動車、Ｂ…リヤ
バンパー、Ｌ…第１の超音波センサ手段による探
知方向、ｌ…第２の超音波センサ手段による探知
方向。
FIG. 1 is a cross-sectional plan view of a detection unit of an embodiment of the ultrasonic object detection device of the present invention, FIG. 2 is a perspective view showing the detection unit shown in FIG. 1 installed in an automobile, and FIG. The figure is a block diagram of one embodiment of the ultrasonic object detection device of the present invention, FIG. 4 is a flowchart of the operation of one embodiment of the ultrasonic object detection device of the present invention, and FIG. 5 is the first ultrasonic sensor. Sixth schematic plan view showing division of the target area by means
The figure is a schematic plan view showing division of the detection area of the first ultrasonic sensor means based on the second ultrasonic sensor means. (Explanation of symbols), 1... Ultrasonic object detection device, 2
...first ultrasonic sensor means, 3...second ultrasonic sensor means, 4...swivel means, 5...operation control means, 3
a, 4a...Ultrasonic transducer, 4a...Swivel base, 7...Reflector, 9...Detection unit, A...Car, B...Rear bumper, L...Detection direction by first ultrasonic sensor means, l...Second Detection direction by ultrasonic sensor means.
Claims (1)
１の超音波センサ手段、 (b) 比較的狭角の指向性検知領域をもつ第２
の超音波センサ手段、 (c) それら超音波センサ手段を旋回させる旋
回手段、 および、 (d) 全目的領域をカバーするように第１の超
音波センサ手段で比較的大きな旋回角度位置毎に
探知を行い、或る旋回角度位置で物体が検知され
たならば、その旋回角度位置における第１の超音
波センサ手段の検知領域をカバーするように第２
の超音波センサ手段で比較的小さな旋回角度位置
毎に探知を行い、物体の存在方向を検知する作動
制御手段 を具備してなることを特徴とする超音波物体検
知装置。 ２ 第１の超音波センサ手段が、周波数１５ｋＨ
ｚ以上４０ｋＨｚ以下で半値幅２０°以上である
実用新案登録請求の範囲第１項記載の超音波物体
検知装置。 ３ 第２の超音波センサ手段が、周波数２００ｋ
Ｈｚ以上５００ｋＨｚ以下で半値幅８°以下であ
る実用新案登録請求の範囲第１項又は第２項記載
の超音波物体検知装置。[Claims for Utility Model Registration] 1. (a) A first ultrasonic sensor means having a relatively wide-angle directional detection area, (b) A second ultrasonic sensor means having a relatively narrow-angle directional detection area.
(c) turning means for turning the ultrasonic sensor means; and (d) detecting each relatively large turning angle position by the first ultrasonic sensor means so as to cover the entire objective area. If an object is detected at a certain rotation angle position, the second ultrasonic sensor means is set so as to cover the detection area of the first ultrasonic sensor means at that rotation angle position.
What is claimed is: 1. An ultrasonic object detection device comprising an operation control means for detecting the direction of existence of an object by detecting the object at each relatively small turning angle position using the ultrasonic sensor means. 2 The first ultrasonic sensor means has a frequency of 15kHz.
The ultrasonic object detection device according to claim 1, which has a half-value width of 20° or more at a frequency of z or more and 40 kHz or less. 3 The second ultrasonic sensor means has a frequency of 200k.
The ultrasonic object detection device according to claim 1 or 2, which has a half-value width of 8° or less at a frequency of Hz or more and 500kHz or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986082223U JPH0323586Y2 (en) | 1986-05-29 | 1986-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986082223U JPH0323586Y2 (en) | 1986-05-29 | 1986-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62193579U true JPS62193579U (en) | 1987-12-09 |
| JPH0323586Y2 JPH0323586Y2 (en) | 1991-05-22 |
Family
ID=30934679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986082223U Expired JPH0323586Y2 (en) | 1986-05-29 | 1986-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323586Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007198800A (en) * | 2006-01-24 | 2007-08-09 | Matsushita Electric Works Ltd | Object detector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60178374A (en) * | 1984-02-25 | 1985-09-12 | Agency Of Ind Science & Technol | Object detection apparatus |
-
1986
- 1986-05-29 JP JP1986082223U patent/JPH0323586Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60178374A (en) * | 1984-02-25 | 1985-09-12 | Agency Of Ind Science & Technol | Object detection apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007198800A (en) * | 2006-01-24 | 2007-08-09 | Matsushita Electric Works Ltd | Object detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323586Y2 (en) | 1991-05-22 |
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