CN201477208U

CN201477208U - A Multi-working Mode Underwater Acoustic Beacon

Info

Publication number: CN201477208U
Application number: CN2009201961439U
Authority: CN
Inventors: 石扬; 郭霖; 何海兴; 薛睿; 朱冬青
Original assignee: JIAXING ZHONGKE ACOUSTICS TECHNOLOGY Co Ltd
Current assignee: JIAXING ZHONGKE ACOUSTICS TECHNOLOGY Co Ltd
Priority date: 2009-09-10
Filing date: 2009-09-10
Publication date: 2010-05-19
Anticipated expiration: 2019-09-10

Abstract

The utility model discloses an underwater acoustic beacon with multi-working modes, which can be used for underwater target positioning and navigation underwater acoustic equipment, and is a long baseline, short baseline, ultra-short baseline underwater acoustic positioning and navigation system and underwater GPS An important part of the positioning system. The utility model mainly includes a signal processing board, a battery connected to the signal processing board, a transducer and a pressure sensor. The utility model has multiple working modes, including an external synchronous mode, an internal synchronous mode, an inquiry response mode, and a test mode.

Description

A kind of underwater acoustic beacon with multiple work modes

Technical field

The utility model relates to a kind of submarine target location and underwater sound equipment that navigates of being used for, and relates in particular to a kind of underwater acoustic beacon with multiple work modes.

Background technology

Now, utilize acoustic technique that submarine target is realized that location and navigation feature are the major technology means.Classify according to the yardstick that receives basic matrix or the base length of transponder basic matrix, acoustic positioning technique can be divided into long baseline, short baseline and three kinds of acoustic positioning technique of ultra-short baseline.The underwateracoustic beacon can be applicable to above three kinds of acoustic positioning technique, and the underwateracoustic beacon is installed on tested carrier, utilizes measurement submarine target sound source to determine the distance of target to the delay inequality between each array element, thereby realizes the location and the navigation feature of submarine target.

The underwateracoustic beacon is the important component part of long baseline, short baseline and ultra-short baseline hydrolocation navigational system, but underwateracoustic beacon in the past all adopts single synchronous working mode, need to carry out synchronous processing before the use, use relatively complexity, there is missed synchronization in system and the risk of cisco unity malfunction.

The utility model content

The purpose of this utility model provides a kind of underwater acoustic beacon with multiple work modes that navigation was located and arrived to submarine target that is used for.

To be solved in the utility model is that existing underwateracoustic beacon all adopts single synchronous working mode, needs to carry out synchronous processing before the use, uses relatively complicatedly, has missed synchronization and the problem of the risk of cisco unity malfunction.

For achieving the above object, the technical solution adopted in the utility model is:

It comprises signal-processing board, be connected external interface on the signal-processing board, be connected to battery, transducer and pressure transducer on the signal-processing board by external interface; Signal-processing board comprises DSP module, electric power management circuit, receiver and D class power amplifier; Electric power management circuit, receiver, D class power amplifier are connected with the DSP module, and receiver, D class power amplifier are connected with transducer.

The beneficial effects of the utility model have: the one, have multi-operation mode: External synchronization mode, inter-sync pattern, inquire response pattern, test pattern; The 2nd, receive outer synchronizing pulse, realize high-precision calibration to internal clocking; The 3rd, produce inter-sync and upgrade calendar; The 4th, have pressure switch, gather pressure data in real time; The 5th, monitor cell voltage in real time; The 6th, the cycle sends the pulse signal that depth modulation was fixed, had to pulsewidth; The 7th, have default emission and preset stopping function launch time of beginning; The 8th, can carry out serial communication with PC.

Description of drawings

Fig. 1 is the utility model main assembly block diagram.

Fig. 2 is the utility model signal-processing board composition frame chart.

Fig. 3 is the utility model electric power management circuit composition frame chart.

Fig. 4 is the utility model receiver composition frame chart.

Fig. 5 is the utility model D class power amplifier composition frame chart.

Fig. 6 is the utility model external interface composition frame chart.

Fig. 7 is the utility model DSP peripheral circuit diagram.

Fig. 8 is the utility model electric power management circuit figure.

Fig. 9 is the utility model ADC, crystal oscillator and photoelectric coupled circuit figure.

Figure 10 is the utility model power amplifier figure.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the utility model comprises signal-processing board 1, is connected battery 2, transducer 3, pressure transducer 4 and external interface 5 on the signal Processing version 1 by the connector mode; Signal-processing board 1 comprises DSP module (BF533 chip) 6, electric power management circuit 7, voltage collection circuit 8, receiver 9, D class power amplifier 10, high precision clock 11 system interface 12 in time.Electric power management circuit 7, voltage collection circuit 8, receiver 9, D class power amplifier 10, high precision clock 11, the time system interface 12 be connected with DSP module 6.Receiver 9, D class power amplifier 10 are connected with transducer 3.

Electric power management circuit 7 comprises relay 13, diode 14, Switching Power Supply A15, Switching Power Supply B16, Switching Power Supply C17, Switching Power Supply D18, Switching Power Supply E19; Switching Power Supply A15, Switching Power Supply B16, Switching Power Supply C17, Switching Power Supply D18, Switching Power Supply E19 are connected with relay 13 by diode 14.

Receiver 9 comprises that prime amplifies 20, penetrates with A21, bandpass filter 22, back level and amplify 23, penetrate with B24 and AD converter 25, and prime amplifies 20, penetrate with A21, bandpass filter 22, back level and amplify 23, penetrate with B24, AD converter 25 and connect successively.

D class power amplifier 10 comprises that driving circuit 26, anti-two conduction road 27, power tube 28, transformer 29, matching network 30, transmitting-receiving close and put switch 31, and driving circuit 26, anti-two conductions road 27, power tube 28, transformer 29, matching network 30, transmitting-receiving are closed and put switch 31 and connect successively.

External interface 5 mainly comprises 4 core connector A32,4 core connector B33,4 core connector C34,12

core connectors

35 and 12 core underwater electrical connectors 36; Battery 2 is connected to signal-processing board 1 by 4 core connector A32, and transducer 3 is connected to the receiver 9 and the D class power amplifier 10 of signal-processing board 1 by 4 core connector B33.Pressure transducer 4 is connected to signal-processing board 1 by 4 core connector C34, and signal-processing board 1 is connected with 12 core underwater electrical connectors 36 by 12

core connectors

35, and 12 core underwater electrical connectors 36 interface 12 of uniting during with the outside by watertight cable is connected with PC.

Voltage collection circuit 8 is responsible for gathering cell voltage; High precision clock 11 is responsible for keeping time under the synchronous mode; Pressure transducer 4 is responsible for gathering pressure data.

The DSP module comprises U1A, U1B, U1C; The function of DSP module comprises: be responsible for to handle the underwater sound signal from transducer that receiver receives, and the digital signal after handling be transported to transducer through D class power amplifier; The synchronizing signal of system interface is calibrated high precision clock during reception, and produces the inter-sync signal and upgrade calendar.

The utility model can communicate by external interface 5 and PC, receives control command and parameter command that PC is assigned; Control command comprises mode of operation, self check etc. is set, parameter command comprise the inter-sync cycle is set, interrogation signal frequency is set, pulsewidth, time-delay, lockup etc. transmit.Utilize external interface 5 to charge to the utility model.

The underwateracoustic beacon is outside under the synchronous working pattern, provide power supply by battery 2, through relay 13, diode 14, Switching Power Supply A15, Switching Power Supply B16, Switching Power Supply C17, Switching Power Supply D18, Switching Power Supply E19, supply with DSP module (BF533 chip) 6, receiver 9, D class power amplifier 10, high precision clock 11 and pressure transducer 4 respectively; External synchronization signal is through external interface 5 input not gate U14, export DSP module (BF533 chip) 6 to through U14,6 pairs of external synchronization signals of DSP module (BF533 chip) are handled the back and are produced digital signal, close through driving circuit 26, anti-two conduction road 27, power tube 28, transformer 29, matching network 30, transmitting-receiving and to put switch 31 and export transducer 3 to, digital signal is converted to acoustical signal by transducer 3, launches through underwater acoustic channel.

The underwateracoustic beacon is under the inter-sync mode of operation, provide power supply by battery 2, through relay 13, diode 14, Switching Power Supply A15, Switching Power Supply B16, Switching Power Supply C17, Switching Power Supply D18, Switching Power Supply E19, supply with DSP module (BF533 chip) 6, receiver 9, D class power amplifier 10, high precision clock 11 and pressure transducer 4 respectively; Back preheating 20 minutes powers on, to guarantee the precision of high precision clock 11, DSP module (BF533 chip) 6 is calibrated by 12 pairs of high precision clocks 11 of time system interface, calibration back real-time update calendar, and judgement emission state, if acoustic marker is in emission state, then produce digital signal with the inter-sync cycle, close through driving circuit 26, anti-two conduction road 27, power tube 28, transformer 29, matching network 30, transmitting-receiving and to put switch 31 and export transducer 3 to, digital signal is converted to acoustical signal by transducer 3, launches through underwater acoustic channel.

The underwateracoustic beacon is operated under the inquire response pattern, provide power supply by battery 2, through relay 13, diode 14, Switching Power Supply A15, Switching Power Supply B16, Switching Power Supply C17, Switching Power Supply D18, Switching Power Supply E19, supply with DSP module (BF533 chip) 6, receiver 9, D class power amplifier 10, high precision clock 11 and pressure transducer 4 respectively; Underwater sound signal is sent simulating signal into receiver 9 through transducer 3, simulating signal amplifies 20 through prime, penetrate with A21, bandpass filter 22, the back level amplifies 23, penetrate with B24 and send into AD converter 25, simulating signal converts digital signal to via AD converter 25 and sends into DSP module (BF533 chip) 6,6 pairs of these digital signals of DSP module (BF533 chip) are handled, if be interrogating signal, DSP module (BF533 chip) 6 produces digital signal, through driving circuit 26, anti-two conductions road 27, power tube 28, transformer 29, matching network 30, transmitting-receiving is closed and is put switch 31 and export transducer 3 to, digital signal is converted to acoustical signal by transducer 3, launches through underwater acoustic channel.

The underwateracoustic beacon is operated under the test pattern, provide power supply by battery 2, through relay 13, diode 14, Switching Power Supply A15, Switching Power Supply B16, Switching Power Supply C17, Switching Power Supply D18, Switching Power Supply E19, supply with DSP module (BF533 chip) 6, receiver 9, D class power amplifier 10, high precision clock 11 and pressure transducer 4 respectively; Acoustic marker does not need external synchronization signal, high precision clock calibration and interrogating signal, with autonomous output of 2S cycle digital signal, close through driving circuit 26, anti-two conduction road 27, power tube 28, transformer 29, matching network 30, transmitting-receiving and to put switch 31 and export transducer 3 to, digital signal is converted to acoustical signal by transducer 3, launches through underwater acoustic channel.

Fig. 7 is the utility model DSP module (BF533 chip) 6 peripheral circuit diagrams.U1A, U1B, U1C are the Blackfin family chip BF533 that the utility model adopts ADI company, and this chip has low-power consumption, high performance characteristics, the highest continuous firing that can reach 600MHz of clock; U2 is a watchdog chip, resetting to dsp chip when being used for program fleet; U3 is the JTAG debug port of DSP; U4 is the RS232 level transferring chip, and this chip links to each other with the UART port of DSP, is the RS232 level with the UART level conversion, can realize communicating by letter with PC; U5 is the DSP power supply chip, and this chip has characteristics such as withstand voltage height, output current are big, efficient height.

Fig. 8 is electric power management circuit figure of the present utility model, and U6 is pressure transducer and power amplifier driving power chip; U7 is the amplifier power supply chip; U8 is the self-control power module; U16 is the receiver power supply chip; These power supply chips all have big electric current, low pressure reduction, input voltage range and reach characteristics such as low noise greatly.

Fig. 9 is ADC of the present utility model, crystal oscillator and photoelectric coupled circuit figure, and U10 is the power supply chip of high precision clock, and this chip has characteristics such as big, the low pressure reduction of starting current; U11 is the A/D conversion chip MAX144 of two-way analog input, and the A/D conversion chip of 12bit low-power consumption links to each other with DSP by the SPORT mouth, gathers cell voltage and pressure sensor data; U12 is a high precision clock, characteristics such as this high precision clock has low-power consumption, starts fast, make an uproar mutually aging for a short time, low, degree of stability height; U14 is the not gate chip, plays the drive signal effect on the one hand, plays the light-coupled isolation effect on the other hand;

Figure 10 is power amplification circuit figure, and Z2 is the power amplifier chip for driving; CR3 and CR4 are anti-two conductions road; Q3 and Q4 are power tube; T2 is a transformer; Constitute power amplifier by above circuit, this circuit has characteristics such as use is simple, conversion efficiency height; U15 is a receiver circuit, changes circuit and has characteristics such as low-power consumption, low noise; U18 is the AD conversion chip, and this chip is selected the ADS8329 of TI company for use, and this chip has characteristics such as low-power consumption, 16bit, 1MHz sampling rate.

Claims

1. A multi-working mode underwater acoustic beacon is characterized in that it includes: a signal processing board, an external interface connected to the signal processing board, a battery, a transducer and a pressure sensor connected to the signal processing board by the external interface Sensor; signal processing board includes DSP module, power management circuit, receiver and class D power amplifier; power management circuit, receiver, class D power amplifier are connected with DSP module, receiver, class D power amplifier are connected with transducer.

2. The multi-working mode underwater acoustic beacon according to claim 1, wherein the power management circuit includes a relay, a diode, a switching power supply A, a switching power supply B, a switching power supply C, a switching power supply D, and a switching power supply E; The power supply A, the switching power supply B, the switching power supply C, the switching power supply D, and the switching power supply E are connected to the relay through diodes.

3. The multi-working mode underwater acoustic beacon according to claim 1 is characterized in that the receiver includes a preamplifier, a shot follower A, a bandpass filter, a rear stage amplification, a shot follower B and an AD converter, and the front stage Stage amplification, emitter following A, band-pass filter, post-stage amplification, emitter following B, and AD converter are connected in sequence.

4. The multi-working mode underwater acoustic beacon according to claim 1 is characterized in that the class D power amplifier includes a drive circuit, an anti-double conduction circuit, a power amplifier tube, a transformer, a matching network, a transceiver combination switch, a drive circuit, an anti- The double conductor circuit, the power amplifier tube, the transformer, the matching network, and the combination switch for sending and receiving are connected in sequence.

5. The multi-working mode underwater acoustic beacon according to claim 1, wherein the external interface mainly includes 4-core connector A, 4-core connector B, 4-core connector C, 12-core connector and 12-core Watertight connector; the battery is connected to the signal processing board through the 4-pin connector A, the transducer is connected to the receiver and the class D power amplifier of the signal processing board through the 4-pin connector B, and the pressure sensor is connected to the signal processing board through the 4-pin connector C The processing board, the signal processing board is connected with the 12-core watertight connector through the 12-core connector.

6. The multi-working mode underwater acoustic beacon according to claim 1, wherein the signal processing board also includes a voltage acquisition circuit, a high-precision clock and a time-based interface, a voltage acquisition circuit, a high-precision clock, a time-based interface and a DSP Module connection.