JPS5845580A - Protecting circuit for sonar device - Google Patents
Protecting circuit for sonar deviceInfo
- Publication number
- JPS5845580A JPS5845580A JP14324981A JP14324981A JPS5845580A JP S5845580 A JPS5845580 A JP S5845580A JP 14324981 A JP14324981 A JP 14324981A JP 14324981 A JP14324981 A JP 14324981A JP S5845580 A JPS5845580 A JP S5845580A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- transmission
- circuit
- amplifier
- reception
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、ソーナー装置の送受波器内ＷＫ設置された受
信用増幅器の保護回路に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a protection circuit for a receiving amplifier installed in a WK in a transducer of a sonar device.
一般に使われている受信信号を増幅するための増幅器と
、送信信号と受信信号を切替える送受切替リレーを持つ
送受波器を一構成品とし送信信号と受信信号を共通の伝
送ラインを用いて伝送するソーナー装置においては、第
１図に示すように５送受波器内＠Ｋ、受信信号を増幅す
る増幅器及び送信信号と受信信号を切す替えるリレーを
有する。It consists of a commonly used amplifier for amplifying the received signal and a transducer with a transmission/reception switching relay that switches between the transmitted signal and the received signal, and transmits the transmitted signal and the received signal using a common transmission line. As shown in FIG. 1, the sonar device has five transducers @K, an amplifier for amplifying the received signal, and a relay for switching between the transmitted signal and the received signal.
この第１図に示す装置について図面を用いて説明する。The apparatus shown in FIG. 1 will be explained using the drawings.
こヒでリレーが受信側に接続されるということは、送受
切替リレー４はソーナーケープルＳと受信用増幅器３を
接続するように動作し、送受切替リレー６はソーナーケ
ーブル６と受信器７を接続するように動作することであ
る。また送信側に接続されるというむとは、送受切替リ
レー４はソーナーケーブル５とマツチングトランス２を
接続するように動作し、送受切替リレー６は、ソーナー
ケーブルＳと送信器８を接続するように動作することで
ある。Connecting the relay to the receiving side means that the transmission/reception switching relay 4 operates to connect the sonar cable S and the receiving amplifier 3, and the transmission/reception switching relay 6 connects the sonar cable 6 and receiver 7. It is to operate in the same way. Also, being connected to the transmitting side means that the transmission/reception switching relay 4 operates to connect the sonar cable 5 and the matching transformer 2, and the transmission/reception switching relay 6 operates to connect the sonar cable S and the transmitter 8. It is to be.
送信時、送受切替リレー４及び６は送信側に接続される
。送信信号は送信器８から出力され、送受切替リレー６
、 ソーチーケーブル５．送受切替リレー４．マツチン
グトランスａ 送信素子１１を通り水中に放射される。During transmission, the transmission/reception switching relays 4 and 6 are connected to the transmission side. The transmission signal is output from the transmitter 8, and the transmission/reception switching relay 6
, Sochi Cable 5. Transmission/reception switching relay 4. The matching transformer a passes through the transmitting element 11 and is radiated into the water.
また受信時、送受切替リレー４及び６は受信側に！！続
される。水中の受信信号は受信素子１２に入力され、受
信用増幅器３、送受切替リレー４． ソーナーケープル
５．送受切替リレー６を通り受（＄１５７に、達する。Also, when receiving, the transmission/reception switching relays 4 and 6 are on the receiving side! ! Continued. The underwater reception signal is input to the reception element 12, and is then input to the reception amplifier 3, transmission/reception switching relay 4. Sonar caple 5. Received through transmission/reception switching relay 6 (reaches $157).
と仁で送受切替リレー４が故障し受信１１に接続された
ｔ壕の状態になると、送信信号は送受切替リレー４から
受信用増幅器３の出力側に供給され受信用増幅器３を破
壊するという欠点があった。If the transmit/receive switching relay 4 fails and becomes in a state of failure connected to the receiver 11, the transmitting signal is supplied from the transmit/receive switching relay 4 to the output side of the receiving amplifier 3, which destroys the receiving amplifier 3. was there.
そこで本発明は送受切替リレーが故障した時、送信信号
を停止させ、受信用増幅器を保護する回路を提供するも
のである。Therefore, the present invention provides a circuit that stops the transmitting signal and protects the receiving amplifier when the transmitting/receiving switching relay fails.
すなわち、本発明は、電気信号に変換された水中音を受
信信号として増幅する増幅器と、送信器から出力される
送信信号と増幅された受信信号な切替える送受切替リレ
ーを持つ送受波器を有し、送信信号と受信信号を共通の
伝送ラインを用いて伝送するソーナー装置において、前
記受信信号にこの受信信号と異なる信号を、検知信号と
して加算し、前記送受切替リレーおよび前記伝送ライン
を介して機器に送出する手段と、この機器において、前
記検知信号を分離検出し、送受切替リレーの動作を判定
し、この結果により送信信号の出力を制御し、前記増幅
器を保護する構成である。That is, the present invention includes an amplifier that amplifies underwater sound converted into an electric signal as a received signal, and a transducer that has a transmission/reception switching relay that switches between the transmission signal output from the transmitter and the amplified reception signal. , in a sonar device that transmits a transmitted signal and a received signal using a common transmission line, a signal different from the received signal is added to the received signal as a detection signal, and the signal is transmitted to the device via the transmission/reception switching relay and the transmission line. This device separately detects the detection signal, determines the operation of the transmission/reception switching relay, controls the output of the transmission signal based on the result, and protects the amplifier.
以下本発明の一実施例について第２図および第３図を参
照して説明すす。An embodiment of the present invention will be described below with reference to FIGS. 2 and 3.
送受波器ＩＫ内蔵された受信用増幅器３は、前置増幅器
３１．加算器３ス 検知信号発生器３３により構成され
、受信信号に検知信号が重畳された信号１０１は、送受
切替リレー４．ソーナーケーブル氏 送受切替リレー６
を通り受（１！？及び検出回路９に入力される。The reception amplifier 3 with built-in transducer IK includes a preamplifier 31. A signal 101 composed of an adder 3 and a detection signal generator 33, in which a detection signal is superimposed on a received signal, is sent to a transmission/reception switching relay 4. Mr. Sonar Cable Transmission/Reception Switching Relay 6
It passes through the receiver (1!?) and is input to the detection circuit 9.
検知回路９は、信号分離回路９１．検知回路９λ判定回
路９３によ）構成され、信号分離回路９１によシ検知信
号を取シ出し、検知回路９２で入力された信号に検知信
号が含まれているかどうかを検知した後、判定回路９８
は検知回路９２からの信号１０３及び送受切替リレー４
及び５を駆動する信号４１及び６１と同期する信号ｔｏ
ｓ、ｔ０６によ、９１Ｊレ一動作の判定を行ない判定信
号１０２を電力する。ゲート回路８２は判定信号１０２
の制御によプ、送信信号回路８１から電力増幅器８３に
出力される信号のＯＮ１０ Ｆ Ｆ を行なう。The detection circuit 9 includes a signal separation circuit 91. The detection circuit 9 consists of a λ determination circuit 93), which outputs the detection signal to the signal separation circuit 91, detects whether the input signal includes the detection signal in the detection circuit 92, and then outputs the detection signal to the detection circuit 92. 98
is the signal 103 from the detection circuit 92 and the transmission/reception switching relay 4
and a signal to synchronized with signals 41 and 61 driving 5 and 5.
s and t06, the 91J relay operation is determined and the determination signal 102 is generated. The gate circuit 82 receives the judgment signal 102
, the signal output from the transmission signal circuit 81 to the power amplifier 83 is turned on.
こζで判定回路９３の詳細な動作についてｇａａｌａｌ
〜ｔｃ＞によ）説明する。The detailed operation of the determination circuit 93 is explained here.
~tc>) will be explained.
第３図（ａｌは判定回路９３の一例を示した亀のであυ
、２０１及び２０２はＤ７リツプフロツプ、２０３はＡ
ＮＤゲートである。FIG.
, 201 and 202 are D7 lip-flops, 203 is A
It is an ND gate.
正常に送受切替リレー４及び６が動作している時の状態
をＩＩＥ３図（ｂｌ Ｉｃ、異常状態α→瞳第８［ｃ）
Ｋ示す、受信期間に信号１０５によ）信号１０８をサン
プルし信号１０７として出力する。また送信期間に信号
１０６によ如信号１０１をサンプルし信号１０８として
出力する。信号１０７と信号１０８の論理積をＡＮＤグ
ー）２０３によりて行ない信号１０２によりゲート回路
８２をＯＮ１０ Ｆ Ｆ させる。正常な時には、信
号１０７及び１０８が共に論Ｉｌｌとなり信号１０２も
論理ｌとなってゲート回路８２をＯＮとし送信信号１０
４を通過させる。送受切替リレー４が館３図（０）のよ
うな動きをした時には、信号１０７は論理４とまるが信
号１０８は論理０とｆｋｌｌ信号１０２は論ｎｏとなシ
ゲート回路８２はＯＦＦとなり送信信号は通過しない。Figure IIE3 shows the state when the transmission/reception switching relays 4 and 6 are operating normally (bl Ic, abnormal state α → pupil No. 8 [c)
During the receiving period, signal 108 is sampled and output as signal 107, as shown by K. Further, during the transmission period, the signal 101 is sampled using the signal 106 and outputted as the signal 108. The logical product of the signal 107 and the signal 108 is performed using the AND signal 203, and the gate circuit 82 is turned on by the signal 102. Under normal conditions, both signals 107 and 108 are logic Ill, and signal 102 is also logic I, turning on the gate circuit 82 and transmitting signal 10.
Pass 4. When the transmission/reception switching relay 4 moves as shown in Fig. 3 (0), the signal 107 remains at logic 4, the signal 108 remains at logic 0, the fkll signal 102 becomes logic no, the siggate circuit 82 turns OFF, and the transmission signal passes. do not.
この他の送受切替リレー４及び６の異常な動作について
も同様に動作し、送信信号１０４を通過させず受信用増
幅器３を保護できる。The same applies to other abnormal operations of the transmission/reception switching relays 4 and 6, and the receiving amplifier 3 can be protected by not allowing the transmission signal 104 to pass through.
ｔた送受信の信号系が複数の場合で４同様に打衣い各チ
ャンネルととに保護できる。If there are multiple transmitting and receiving signal systems, each channel can be protected in the same way as in 4.
一本！ｉ＠社以上説明し九ように、送受波器内部の受信
用増幅器に検知信号を重畳し、その検知信号を受信側で
、送受切替リレーの動きに合わせて検知するととによシ
送受切替リレーの異常の有無を判定し、異常の時送信信
号を停止させることｋよ如送受波器内部の受信用増幅器
の保護を行なうことができる。One! i@sha As explained above, if a detection signal is superimposed on the receiving amplifier inside the transducer, and the detection signal is detected on the receiving side in accordance with the movement of the transmission/reception switching relay, the transmission/reception switching relay is activated. By determining the presence or absence of an abnormality in the receiver and stopping the transmission signal in the event of an abnormality, the receiving amplifier inside the transmitter/receiver can be protected.
第１図は従来のソーナー装置の一部分のブロック図、第
２図は本発明の一実施例を示すブロック図、第３図（ａ
ｌと（ｂｌ 、 （Ｃ１は第２図における判定回路９３
、ゲート回路８２の具体的な回路の一例とその動作を示
すタイムチャートである。
１・・・・・・送受波器、１１・・・・・・送信素子、
１２・・・・・・受信素子、２・・・・・・マツチング
トランス、３・・・・・・受信用増幅器、３１・・・・
・・前置増幅器、３２・・・・・・加算器、３３・・・
・・・検知信号発生器、４・・・・・・送受切替リレー
、５・・・・・・ソーナーケーブル、６・・・・・・送
受切替リレー、７・・・・・・受信器、８・・・・・・
送信器、８１・・・・・・送信信号の回路、８２・・・
・・・ゲート回路、８３・・・・・・電力増幅器、９・
・・・・・検知回路、９１・・・・・・信号分離回路、
９２・・・・・・検知回路、９３・・・・・・判定回路
、２０１．２０２ ・・・・・・Ｄフリップフロップ
、２０３・・・療１図FIG. 1 is a block diagram of a part of a conventional sonar device, FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG.
l and (bl, (C1 is the determination circuit 93 in FIG.
, is a time chart showing an example of a specific circuit of the gate circuit 82 and its operation. 1...Transducer/receiver, 11...Transmission element,
12... Receiving element, 2... Matching transformer, 3... Receiving amplifier, 31...
...Preamplifier, 32... Adder, 33...
...Detection signal generator, 4...Transmission/reception switching relay, 5...Sonar cable, 6...Transmission/reception switching relay, 7...Receiver, 8...
Transmitter, 81... Transmission signal circuit, 82...
... Gate circuit, 83 ... Power amplifier, 9.
...detection circuit, 91 ...signal separation circuit,
92...detection circuit, 93...judgment circuit, 201.202...D flip-flop, 203...medical treatment 1 figure
Claims (1)
増幅器と、送信器から出力される送信信号と増幅された
受信信号を切替える送受切替リレーを持つ送受波器を有
し、送信信号及び受信信号を共通の伝送ラインを用いて
伝送するソーナー装置において、前記受信信号にこの受
信信号と興なる信号を検知信号として加算し、前記送受
切替リレーおよび前記伝送ラインを介して機器に送出す
る手段と、この機器において、前記検知信号を分離検出
して前記送受切替リレーの動作を判定し、この判定結果
によシ送信信号の出力を制御して前記増幅器を保護する
ことを特徴とするソーナー装置用保護回路。It has an amplifier that amplifies underwater sound converted into an electrical signal as a received signal, and a transducer that has a transmitting/receiving switching relay that switches between the transmitting signal output from the transmitter and the amplified received signal. in a sonar device that transmits a signal using a common transmission line, means for adding a signal different from the received signal to the received signal as a detection signal, and transmitting the signal to a device via the transmission/reception switching relay and the transmission line; In this device, the protection for a sonar device is characterized in that the detection signal is detected separately to determine the operation of the transmission/reception switching relay, and the output of the transmission signal is controlled based on the determination result to protect the amplifier. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14324981A JPS5845580A (en) | 1981-09-11 | 1981-09-11 | Protecting circuit for sonar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14324981A JPS5845580A (en) | 1981-09-11 | 1981-09-11 | Protecting circuit for sonar device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5845580A true JPS5845580A (en) | 1983-03-16 |
Family
ID=15334349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14324981A Pending JPS5845580A (en) | 1981-09-11 | 1981-09-11 | Protecting circuit for sonar device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5845580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213860A (en) * | 1984-03-17 | 1985-10-26 | ライカ インドゥストリーフェルヴァルツング ゲゼルシャフト ミット ベシュレンクテル ハフツング | High-frequency pulse separating circuit device in acoustic reflex lens device |
-
1981
- 1981-09-11 JP JP14324981A patent/JPS5845580A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213860A (en) * | 1984-03-17 | 1985-10-26 | ライカ インドゥストリーフェルヴァルツング ゲゼルシャフト ミット ベシュレンクテル ハフツング | High-frequency pulse separating circuit device in acoustic reflex lens device |
| JPH0511579B2 (en) * | 1984-03-17 | 1993-02-15 | Raika Ind Gmbh |
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