JPH06174486A - Sonobuoy - Google Patents
SonobuoyInfo
- Publication number
- JPH06174486A JPH06174486A JP4329772A JP32977292A JPH06174486A JP H06174486 A JPH06174486 A JP H06174486A JP 4329772 A JP4329772 A JP 4329772A JP 32977292 A JP32977292 A JP 32977292A JP H06174486 A JPH06174486 A JP H06174486A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- axis
- speed sensor
- magnetic compass
- output
- 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.)
- Withdrawn
Links
Landscapes
- Navigation (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、水中物体を検知し
て、航空機等に知らせるソノブイに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sonobuoy that detects an underwater object and informs an aircraft or the like.
【０００２】[0002]
【従来の技術】周知のように、ソノブイは、例えば大洋
の任意の箇所に落とされ、海中に音波を発射して、海中
の物体からの反射音を受信したとき、物体検知を航空機
に知らせるものである。2. Description of the Related Art As is well known, a sonobuoy is a device that informs an aircraft of object detection when it is dropped on an arbitrary place in the ocean, emits sound waves into the sea, and receives reflected sound from an object in the sea. Is.
【０００３】ところが、従来のソノブイは、潮流により
移動するにもかかわらず、自己の移動方向、移動距離を
検出する機能を持っていなかった。このため、ソノブイ
を管理する航空機は、ソノブイの真上にオントップして
位置を測定しなければならず、極めて作業効率が悪かっ
た。However, the conventional sonobuoy does not have a function of detecting its own moving direction and moving distance even though it moves due to the tidal current. Therefore, the aircraft that manages the sonobuoy has to work on top of the sonobuoy to measure its position, which is extremely inefficient.
【０００４】[0004]
【発明が解決しようとする課題】以上述べたように、従
来のソノブイは自己の移動方向、移動距離を検出する機
能を持っていないため、ソノブイを管理する航空機側で
位置を測定しなければならなかった。As described above, since the conventional sonobuoy does not have the function of detecting its own moving direction and moving distance, the position of the aircraft controlling the sonobuoy must be measured. There wasn't.
【０００５】この発明は上記の課題を解決するためにな
されたもので、自己の位置情報を水中物体の検知信号に
加えて送出可能なソノブイを提供することを目的とす
る。The present invention has been made to solve the above problems, and an object of the present invention is to provide a sonobuoy which can send its own position information in addition to a detection signal of an underwater object.
【０００６】[0006]
【課題を解決するための手段】この発明に係るソノブイ
は、水中に音波を発射して水中物体からの反射音を受信
増幅する送受波器と、地磁気を利用して方位を測定する
磁気コンパスと、この磁気コンパスのＮ軸方向の速度を
検出するＹ軸速度センサと、磁気コンパスのＮ軸直交方
向の速度を検出するＸ軸速度センサと、Ｙ軸速度センサ
の出力とＸ軸速度センサの出力から自己の移動方向及び
移動距離を演算する演算部と、送受波器からの信号と磁
気コンパスからの信号と演算部からの信号を合成する加
算部と、この加算部の出力信号を空中へ送出する送信装
置とを具備して構成される。A sonobuoy according to the present invention includes a transmitter / receiver for emitting sound waves into water to receive and amplify a reflected sound from an underwater object, and a magnetic compass for measuring an azimuth using geomagnetism. , A Y-axis speed sensor that detects the speed of the magnetic compass in the N-axis direction, an X-axis speed sensor that detects the speed of the magnetic compass in the direction orthogonal to the N-axis, an output of the Y-axis speed sensor, and an output of the X-axis speed sensor The calculation unit that calculates the moving direction and the movement distance of itself, the addition unit that combines the signal from the transducer, the signal from the magnetic compass, and the signal from the calculation unit, and the output signal of this addition unit is sent to the air. And a transmitting device that operates.
【０００７】[0007]
【実施例】以下、図面を参照してこの発明の一実施例を
詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.
【０００８】図１はこの発明に係るソノブイの構成を示
すもので、送受波器１は水中に音波を発射して水中物体
からの反射音を受信増幅する。第１送受信部２は送受波
器１に送信信号を送り、当該送受波器１からの受信信号
を検波して、水中物体の存在と共にその位置（方位及び
距離）を検知する。この物体検知情報は加算部３に送ら
れる。FIG. 1 shows the configuration of a sonobuoy according to the present invention. A transmitter / receiver 1 emits a sound wave into water to receive and amplify a reflected sound from an underwater object. The first transmission / reception unit 2 sends a transmission signal to the wave transmitter / receiver 1, detects a reception signal from the wave transmitter / receiver 1, and detects the position (azimuth and distance) of an underwater object as well as its presence. This object detection information is sent to the addition unit 3.
【０００９】磁気コンパス４は地磁気を利用して現在位
置での方位を測定する。Ｙ軸速度センサ５は磁気コンパ
ス４のＮ軸方向の速度を検出し、Ｘ軸速度センサ６は磁
気コンパス１のＮ軸直交方向の速度を検出する。The magnetic compass 4 measures the azimuth at the current position by utilizing the geomagnetism. The Y-axis speed sensor 5 detects the speed of the magnetic compass 4 in the N-axis direction, and the X-axis speed sensor 6 detects the speed of the magnetic compass 1 in the N-axis orthogonal direction.
【００１０】演算部７はＹ軸速度センサ５の出力とＸ軸
速度センサ６の出力からベクトル演算、積分処理を行う
ことで、自己の移動方向、移動距離を求める。磁気コン
パス４で得られた方位情報、演算部７で得られた自己の
位置情報（移動方向及び移動距離の情報）は共に加算部
３に送られる。The calculation unit 7 obtains its own moving direction and moving distance by performing vector calculation and integration processing from the outputs of the Y-axis speed sensor 5 and the X-axis speed sensor 6. The azimuth information obtained by the magnetic compass 4 and the own position information (movement direction and movement distance information) obtained by the calculator 7 are both sent to the adder 3.
【００１１】加算部３は第１送受信部２からの物体検知
情報と磁気コンパス４からの方位情報と演算部７からの
自己の位置情報とをまとめる。The addition unit 3 puts together the object detection information from the first transmission / reception unit 2, the direction information from the magnetic compass 4, and the own position information from the calculation unit 7.
【００１２】第２送受信部８は、アンテナ９を通じて当
該ソノブイを管理する航空機（図示せず）と情報を送受
する。すなわち、航空機からの情報要求に応じて送受信
部２を起動し、加算部３でまとめられた情報をコンポジ
ット信号に変換し、電力増幅して、アンテナ９より航空
機に送出する。The second transmitting / receiving unit 8 transmits / receives information to / from an aircraft (not shown) managing the sonobuoy through the antenna 9. That is, the transmitting / receiving unit 2 is activated in response to an information request from the aircraft, the information gathered by the adding unit 3 is converted into a composite signal, the power is amplified, and the composite signal is transmitted from the antenna 9 to the aircraft.
【００１３】上記構成において、以下、図２を参照して
その動作を説明する。The operation of the above configuration will be described below with reference to FIG.
【００１４】まず、速度センサ５，６からの電気信号に
ついて、演算部７で以下の演算処理を行う。First, the arithmetic unit 7 performs the following arithmetic processing on the electric signals from the speed sensors 5 and 6.
【００１５】ＬX ＝∫ｖX dt ＬY ＝∫ｖY dt 但し、ＬX ：初期位置からのＸ軸方向の移動距離 ＬY ：初期位置からのＹ軸方向の移動距離 ｖX ：Ｘ軸方向の速度信号レベル ｖY ：Ｙ軸方向の速度信号レベル ｔ：初期位置を設定した時点からの経過時間 これにより、初期位置からの移動距離を求めることがで
きる。L X = ∫v X dt L Y = ∫v Y dt where L X : moving distance in the X-axis direction from the initial position L Y : moving distance in the Y-axis direction from the initial position v X : X-axis Velocity signal level in the direction v Y : Velocity signal level in the Y-axis direction t: Elapsed time from the time when the initial position is set Thus, the moving distance from the initial position can be obtained.
【００１６】また、図２に示すベクトル演算によって、
自己の移動方向を求めることができる。さらに、現在の
方位は磁気コンパス４によって求めることができる。Further, by the vector operation shown in FIG.
You can determine your own direction of movement. Further, the current azimuth can be obtained by the magnetic compass 4.
【００１７】したがって、上記構成によるソノブイは、
物体検知情報に自己の位置情報を付加して航空機に送出
することができるので、航空機側で初期位置を管理して
いれば、潮流等の要因によってソノブイが移動しても、
容易にかつ正確に音源位置（水中物体の位置）を把握す
ることができる。Therefore, the sonobuoy having the above-mentioned structure is
Since it is possible to add its own position information to the object detection information and send it to the aircraft, if the aircraft manages the initial position, even if the sonobuoy moves due to factors such as tidal current,
The sound source position (position of the underwater object) can be easily and accurately grasped.
【００１８】尚、この発明は上記実施例に限定されるも
のではなく、その他この発明の要旨を逸脱しない範囲で
種々変更しても実施可能であることはいうまでもない。It is needless to say that the present invention is not limited to the above-mentioned embodiment, and can be carried out by variously changing without departing from the scope of the invention.
【００１９】[0019]
【発明の効果】以上述べたようにこの発明によれば、自
己の位置情報を水中物体の検知信号に加えて送出可能な
ソノブイを提供することができる。As described above, according to the present invention, it is possible to provide a sonobuoy which can send its own position information in addition to a detection signal of an underwater object.
【図１】この発明の一実施例によるソノブイの構成を示
すブロック図である。FIG. 1 is a block diagram showing a configuration of a sonobuoy according to an embodiment of the present invention.
【図２】同実施例の移動方向演算を説明するための図で
ある。FIG. 2 is a diagram for explaining movement direction calculation of the embodiment.
１ 送受波器 ２ 第１送受信部 ３ 加算部 ４ 磁気コンパス ５ Ｙ軸速度センサ ６ Ｘ軸速度センサ ７ 演算部 ８ 第２送受信部 ９ アンテナ DESCRIPTION OF SYMBOLS 1 Transducer 2 1st transmission / reception part 3 Addition part 4 Magnetic compass 5 Y-axis speed sensor 6 X-axis speed sensor 7 Calculation part 8 2nd transmission / reception part 9 Antenna
Claims (1)
射音を受信増幅する送受波器と、 地磁気を利用して方位を測定する磁気コンパスと、 この磁気コンパスのＮ軸方向の速度を検出するＹ軸速度
センサと、 前記磁気コンパスのＮ軸直交方向の速度を検出するＸ軸
速度センサと、 前記Ｙ軸速度センサの出力とＸ軸速度センサの出力から
自己の移動方向及び移動距離を演算する演算部と、 前記送受波器からの信号と前記磁気コンパスからの信号
と前記演算部からの信号を合成する加算部と、 この加算部の出力信号を空中へ送出する送信装置とを具
備するソノブイ。1. A transducer which emits sound waves into the water to receive and amplify a reflected sound from an underwater object, a magnetic compass which measures an azimuth using geomagnetism, and a velocity of the magnetic compass in the N-axis direction. A Y-axis speed sensor for detecting, an X-axis speed sensor for detecting the speed of the magnetic compass in a direction orthogonal to the N-axis, a moving direction and a moving distance of the self from the output of the Y-axis speed sensor and the output of the X-axis speed sensor. An arithmetic unit for performing an arithmetic operation, an adder unit for synthesizing a signal from the wave transmitter / receiver, a signal from the magnetic compass, and a signal from the arithmetic unit, and a transmitting device for transmitting an output signal of the adder unit to the air. Sonobui to do.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4329772A JPH06174486A (en) | 1992-12-10 | 1992-12-10 | Sonobuoy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4329772A JPH06174486A (en) | 1992-12-10 | 1992-12-10 | Sonobuoy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06174486A true JPH06174486A (en) | 1994-06-24 |
Family
ID=18225096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4329772A Withdrawn JPH06174486A (en) | 1992-12-10 | 1992-12-10 | Sonobuoy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06174486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275737A (en) * | 2005-03-29 | 2006-10-12 | Universal Shipbuilding Corp | Detection buoy |
-
1992
- 1992-12-10 JP JP4329772A patent/JPH06174486A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275737A (en) * | 2005-03-29 | 2006-10-12 | Universal Shipbuilding Corp | Detection buoy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20000307 |