CN102007889B

CN102007889B - Sound domestication instrument

Info

Publication number: CN102007889B
Application number: CN2010102913872A
Authority: CN
Inventors: 张国胜; 杜国升; 陈勇; 许传才; 邢彬彬
Original assignee: Dalian Ocean University
Current assignee: Dalian Ocean University
Priority date: 2010-09-21
Filing date: 2010-09-21
Publication date: 2012-06-06
Anticipated expiration: 2030-09-21
Also published as: CN102007889A

Abstract

The invention discloses a sound domestication instrument which is characterized by comprising a power supply, a switcher, a switch power supply voltage-reducing circuit, a DC/DC circuit, a timing circuit, an audio frequency generation circuit, a power amplifying circuit and a loudspeaker, wherein the power supply comprises a direct current power supply and an alternating current power supply; and the loudspeaker consists of an enclosure, a voice ring oscillator and a waterproof power cord. In the sound domestication instrument, a signal generator and a signal amplifier are integrated, which reduces the number of instruments and the complicated connecting process of the instruments and is convenient for operation. In addition, the sound domestication instrument can be used for directly setting sound domestication parameters of the waveform of sound, sound source, sound pressure, the frequency of sound, the interval time of pulse and the like, better realize the trapping, control and the drive of fishes and solve the problems of oceanic pastures and freshwater fishing.

Description

Sound equipment domestication appearance

Technical field

The present invention relates to electronic device field, relate in particular to a kind of sound equipment domestication instrument.

Background technology

For some complicated geologies, the tortuous waters of water front; Common draw in the net, pulling property fishing gear such as trawlnet can not use; How restricted stationary catching device is also; Light, electric fishing are dragged for also because of often can not use in these complicacies, foul water by the condition restriction on space, time and the own characteristic (like propagation distance etc.), and can not accomplish selectively to fish for to the fish of variety classes, different size, all ages and classes, and sustainable development of fishery is constituted harm.Simultaneously, in traditional breeding process, cultured fishes can not be ingested rapidly after the bait throwing in, cause a large amount of bait to fall into the bottom through net cage, and the bait deposition causes the pollution of bait to water body for a long time.Expansion along with progress of science and technology and fish production scale; Single simple and crude Fishing Gear and Fishing Method can not meet the needs of; The research of sound equipment acclimatization technology in-depth will inevitably bring innovation and reform on the Fishing Gear and Fishing Method, according to fish to the IR exploitation of sound, light, electricity more effectively more science to fish for new technology imperative, prior art is through complicated connections with many covers such as signal generator, signal amplifier instruments; Finally reach the purpose of sounding; Connection procedure is complicated, and experimental implementation is constant, and has certain defective in the isoparametric control in the blanking time of the frequency of the waveform of sound, sound source acoustic pressure, sound, pulse.

Summary of the invention

Instrument quantity in the existing domestication system is many in order to solve, the technical problem on the parameter regulation such as blanking time of the frequency of the waveform of complex connection and sound, sound source acoustic pressure, sound, pulse, the invention provides a kind of sound equipment and tames appearance.

The present invention for realizing the technical scheme that above-mentioned purpose adopted is: sound equipment domestication appearance; It is characterized in that: constitute by power supply, change-over switch, Switching Power Supply reduction voltage circuit, DC/DC circuit, timing circuit, audio generating circuit, power amplification circuit and loudspeaker; Power supply has two kinds of dc source and AC powers; Said loudspeaker is made up of casing, voice coil loudspeaker voice coil oscillator and waterproof power line; Dc source is connected through the signal input part of change-over switch with DC/DC circuit, timing circuit, audio generating circuit; AC power is connected with Switching Power Supply reduction voltage circuit input through change-over switch, and Switching Power Supply reduction voltage circuit output is connected through the signal input part of change-over switch with DC/DC circuit, timing circuit, audio generating circuit, and timing circuit is connected with audio generating circuit; The output of DC/DC circuit, audio generating circuit is connected with the input of power amplification circuit, and the output of power amplification circuit is connected with loudspeaker through the waterproof power line.

Said power supply is 12V dc source or 220V AC power.

Said casing is the total enclosure that has phonation board.

Sound equipment of the present invention domestication appearance carries out signal generator and signal amplifier integrated under the not affected situation of the function that was in the past possessed, and has reduced the instrument connection procedure of quantity with the complicacy of instrument, handled easily.Particularly at sea in the experimental implementation process; Because the operating space is limited, the minimizing of number of devices, what more help studying carries out; Improved operating efficiency; And can be directly the waveform of sound, sound source acoustic pressure, the frequency of sound, sound equipments such as the blanking time domestication parameter of pulse be provided with, realized better the luring collection, control and drive of fish solved the technical barrier in oceanic pasture and the fresh water fishing.

Description of drawings

Fig. 1 is the structured flowchart of sound equipment domestication appearance of the present invention;

Fig. 2 is the circuit theory diagrams of sound equipment domestication appearance of the present invention;

Embodiment

As depicted in figs. 1 and 2, this sound equipment domestication appearance is made up of power supply, change-over switch, Switching Power Supply reduction voltage circuit, DC/DC circuit, timing circuit, audio generating circuit, power amplification circuit and loudspeaker BL, and each circuit is integrated and connected.Power supply can use AC220V power supply or DC12V battery power.When adopting AC power, through change-over switch K2 and Switching Power Supply reduction voltage circuit output direct current 12V, get into operating circuit through change-over switch K1 then by the AC interface; When adopting the DC12V battery power, by the DC interface through change-over switch K1 input service circuit.

The DC12V power supply divides two-way to get into operating circuit through change-over switch K1; One the tunnel gets into the DC/DC circuit; Output ± 35V voltage is given the power supply of high-power audio amplification circuit 3886 the 4th pin in the power amplification circuit; Another road is connected to 555 timing circuits and audio generating circuit, again by voicefrequency circuit generation circuit output signal, input power amplifier.Timing circuit control audio frequency time of origin is through R10 adjustment time length, by the work of the break-make control audio generating circuit of relay J with stop.Audio generating circuit is formed three grades of vibrations by integrated circuit 4069 and peripheral cell and is sent audio signal, and audio signal is modulated through internal circuit, the sound wave of exportable difference in functionality; Audio frequency can be according to water quality through R16, R17 and K4 adjustment, and the tame and docile fish sound of output 300HZ-500HZ and 1000HZ are above drives sound, because 3 grades of vibrations of employing in the circuit; 1 grade of frequency of oscillation is 0.5-1HZ, and 2 grades of frequencies of oscillation are 6-10HZ, and 3 grades of frequencies of oscillation are 300-500HZ; Between 3 grades, by two diodes the front and back level is connected, make the back level be controlled by prime, diode is by back level vibration when prime is high level; When prime is that low level is a diode current flow, back level failure of oscillation, this moment, the audio signal of output then was the interval pulse signal; There are gauge tap K3 and K4 in audio generating circuit inside, when K3 breaks off, is the intermittent pulse sound, is long during connection.For taming and dociling the fish sound, tame and docile the fish sound and adjust when K4 breaks off through R17.Scope is at 300Hz-500Hz.When connecting, K4, can send the above sound wave of 1000Hz for driveing sound.To anodal short circuit, audio signal is output as long to integrated circuit 4069 the 5th pin through K3.Audio signal after the modulation is sent into 3886 integrated amplifiers through 4069 the 10th pin, promotes special pallesthesiometer BL by amplifier, and sound wave is propagated under water.

As shown in Figure 2, the Switching Power Supply reduction voltage circuit comprises capacitor C 1, C2, C3, C4, C5, C6, C7, C8, resistance R 1, R2, R3, R4, R5, R6, R7, R8, transformer T, fuse F u, inverter, optocoupler EL817, elements such as triode 9013,9014; Timing circuit comprises timing IC NE555, elements such as relay J; Audio generating circuit comprises elements such as inverter circuit CD4069, resistance R 9, R10, R11, R12, R13, R14, R15, R16, R17, capacitor C 9, C10, C11, C12, diode 4148; Power amplification circuit comprises elements such as high-power audio amplification circuit LM3886, resistance R 18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, capacitor C 13, C14, C15, C16, C17.

Sound equipment domestication appearance can be directly tamed parameter to the sound equipments such as blanking time of the frequency of the waveform of sound, sound source acoustic pressure, sound, pulse and is provided with; Be provided with following function: (1) interrupted tone and pulse sound are provided with function; This function is the other two kinds of waveform function that increase on the continuant basis of former use; Can pass through button, realize the conversion between continuant, interrupted tone and the pulse sound rapidly.(2) alternating current and direct current translation function, sound equipment domestication appearance can be realized the rapid conversion between two kinds of electric currents, has solved the power issue of sound equipment domestication appearance, has effectively reduced the influence that goes wrong research is caused because of power supply in the research process.(3) frequency translation function, this sound equipment domestication appearance can use three frequencies that fish are carried out the sound equipment domestication, are respectively: 300Hz, 400Hz and 500Hz, can realize need not the rapid conversion of frequency to be provided with separately through switch.(4) timing function can be controlled the sound reproduction time accurately, has reduced the timing link, thereby has increased the accuracy of research.(5) volume enlarging function, sound equipment domestication appearance are regulated through volume can produce bigger sound source acoustic pressure, can be through the adjusting of volume, and make the sound effect after the amplification better, can satisfy attracting, control fish and drive the demands of different of fish.(6) pulse spacing is regulated, and regulates through the pulse spacing, realizes the adjusting of two pulse direct blanking times, and through the length of change time, the variation that can study blanking time has or not influence to experiment.(7) pulse regulation function is adjusted in a pulse frequency in the burst length through this function, changes the purpose that the domestication effect exerts an influence to reach.

Claims

1. sound equipment is tamed appearance; It is characterized in that: constitute by power supply, change-over switch, Switching Power Supply reduction voltage circuit, DC/DC circuit, timing circuit, audio generating circuit, power amplification circuit and loudspeaker; Power supply is dc source or AC power; Said loudspeaker is made up of casing, voice coil loudspeaker voice coil oscillator and waterproof power line; Dc source is connected through the signal input part of change-over switch with DC/DC circuit, timing circuit, audio generating circuit; AC power is connected with Switching Power Supply reduction voltage circuit input through change-over switch, and Switching Power Supply reduction voltage circuit output is connected through the signal input part of change-over switch with DC/DC circuit, timing circuit, audio generating circuit, and timing circuit is connected with audio generating circuit; The output of DC/DC circuit, audio generating circuit is connected with the input of power amplification circuit, and the output of power amplification circuit is connected with loudspeaker through the waterproof power line.

2. sound equipment domestication appearance according to claim 1, it is characterized in that: said power supply is 12V dc source or 220V AC power.

3. sound equipment domestication appearance according to claim 1, it is characterized in that: said casing is the total enclosure that has phonation board.