CN103885360B - A kind of wireless fish deteclor circuit based on bluetooth - Google Patents
A kind of wireless fish deteclor circuit based on bluetooth Download PDFInfo
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- CN103885360B CN103885360B CN201410082653.9A CN201410082653A CN103885360B CN 103885360 B CN103885360 B CN 103885360B CN 201410082653 A CN201410082653 A CN 201410082653A CN 103885360 B CN103885360 B CN 103885360B
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 abstract description 6
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000009514 concussion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of wireless fish deteclor circuit based on bluetooth, comprise transducer, transducer driving circuit, control circuit, antenna and power management module, transducer driving circuit comprises receiving circuit and radiating circuit, receiving circuit and radiating circuit is connected with between control circuit and transducer, power management module is connected with transducer driving circuit, control circuit comprises Bluetooth chip, and Bluetooth chip is connected with power management module, and control circuit is connected with antenna.Four voltage stabilizing diodes and four electric capacity are adopted to carry out stable boosting in voltage conversion circuit, instead of adopt the transformer be made up of coil to realize, design the circuit obtained thus more simple, reduce the hardware cost of circuit, decrease the entire area of circuit.The present invention is provided with water-sensitive on-off circuit, utilizes the electric conductivity of water to control the break-make of whole circuit.When wireless fish deteclor leaves water, circuit is just in the state of disconnection, decreases the loss of circuit and extends battery-powered time thus.
Description
Technical field
The present invention relates to a kind of wireless fish deteclor circuit, especially relate to a kind of wireless fish deteclor circuit based on bluetooth.
Background technology
Transducer utilizes transducer to launch ultrasonic signal, and signal is propagated by air or water.Ultrasound wave feeds back to signal contact object in water after, and signal, through the process of processor, finally can be presented on the screen of fish deteclor.At present, the fish deteclor circuit on market utilizes mutual inductance device to boost more, drives transducer to carry out transmitting-receiving ultrasound wave.The circuit of this fish deteclor has the advantages that to control simple, easy realization, but there is following weak point: 1, circuit is comparatively complicated, and the cost of circuit hardware is higher.2, fish deteclor is attached on setline and uses, and small volume a bit as well.Volume shared by existing fish deteclor circuit is comparatively large, causes fishing tackle volume larger.3, fish deteclor uses out of doors, and the continuous working period of power supply is key factor.During existing fishing tackle work, power consumption is comparatively large, causes the time of power supply continuous firing not long.In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of wireless fish deteclor circuit based on bluetooth.
Summary of the invention
Technical matters to be solved by this invention is to provide the wireless fish deteclor circuit based on bluetooth that a kind of circuit composition is comparatively simple, power consumption is less.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of wireless fish deteclor circuit based on bluetooth, comprise transducer, transducer driving circuit, control circuit, antenna and power management module, described transducer driving circuit comprises receiving circuit and radiating circuit, described control circuit is connected with transducer by radiating circuit, described transducer is connected with control circuit by receiving circuit, described power management module is connected with transducer driving circuit, described control circuit comprises Bluetooth chip, described Bluetooth chip is connected with described power management module, described control circuit is connected with antenna.
Described radiating circuit comprises voltage conversion circuit, filtering tank circuit and transmitting-receiving control circuit, described control circuit is connected to transducer by voltage conversion circuit, filtering tank circuit, transmitting-receiving control circuit successively, described receiving circuit comprises filtering circuit, amplifying circuit and envelope detection circuit, and described transducer is connected with control circuit by filtering circuit, amplifying circuit, envelope detection circuit successively.
Described voltage conversion circuit comprises the first diode, second diode, 3rd diode and the 4th diode, the first described diode, second diode, 3rd diode and the 4th diode series aiding connection successively, the positive terminal of the first described diode is connected with direct supply, the negative pole end of the first diode is connected to the 9th pin of Bluetooth chip by the 24 electric capacity, the negative pole end of the second diode is connected to the 11 pin of Bluetooth chip by the 25 electric capacity, the negative pole end of the 3rd diode is connected to the 9th pin of Bluetooth chip by the 23 electric capacity, the negative pole end of the 4th diode is connected to the 11 pin of Bluetooth chip by the 26 electric capacity,
Described filtering tank circuit comprises the 8th inductance, one end of the 8th described inductance is connected to the negative pole end of the 4th diode by the tenth resistance, one end of 8th inductance is connected in analog by the 30 electric capacity, the other end of the 8th inductance is connected with the second pin of transducer, and the two ends of the 8th inductance are parallel with the 31 electric capacity;
Described transmitting-receiving control circuit comprises the 4th triode, the base stage of the 4th described triode is connected with the tenth three-prong of Bluetooth chip by the 12 resistance, the collector of the 4th triode is connected to the second pin of transducer, the grounded emitter of the 4th triode.Adopt four voltage stabilizing diodes and electric capacity to boost, instead of with the transformer be made up of coil, changing capacitance and frequency input signal can change the ratio of output voltage and input voltage.
Described filtering circuit comprises the 7th inductance, first pin of described transducer is connected in analog by the tenth inductance, second pin of described transducer is successively by the 9th inductance, 35 electric capacity, 5th diode, 6th diode is connected with one end of the 7th inductance, the negative pole end of the 5th described diode is connected with the positive terminal of the 6th diode, the other end of the 7th described inductance be connected in analog, the two ends of the 7th described inductance are parallel with the 28 electric capacity, one end of the 7th described inductance is connected with amplifying circuit by the 29 electric capacity.
Described amplifying circuit comprises one-level amplifying circuit, second amplifying circuit and three-stage amplifier, described one-level amplifying circuit comprises the 5th triode, 11 resistance, 13 resistance, 18 resistance and the 17 resistance, the 11 described resistance one end is connected with the 14 pin of Bluetooth chip, the other end of the 11 described resistance is connected in analog by the 27 electric capacity, the other end of the 11 resistance is connected with one end of the 13 resistance, the described other end of the 13 resistance is connected with the 16 pin of Bluetooth chip, one end of 13 resistance is by ground connection after the 32 electric capacity, one end of 13 resistance is connected with the base stage of the 5th triode by the 14 resistance, the base stage of the 5th described triode is connected with filtering circuit, the base stage of the 5th triode is connected in analog by the 15 resistance, the emitter of the 5th described triode is connected with one end of the 18 resistance, the other end of the 18 described resistance is connected in analog, the two ends of the 18 resistance are parallel with the 33 electric capacity, the collector of the 5th described triode is connected with one end of the 17 resistance, the other end of the 17 described resistance is connected with the 16 pin of Bluetooth chip by the 16 resistance, the other end of the 17 resistance is by the 34 capacity earth,
Described second amplifying circuit comprises the 6th triode, 23 resistance and the 22 resistance, the base stage of the 6th described triode is connected to the collector of the 5th triode by the 36 electric capacity, the emitter of the 6th triode is connected with one end of the 23 resistance, the other end of 23 described resistance is connected with the base stage of the 6th triode by the 21 resistance, the other end of 23 resistance be connected in analog, the two ends of 23 resistance are parallel with the 38 electric capacity, the collector of the 6th described triode is connected with one end of the 22 resistance, the other end of the 22 resistance is connected with the 16 pin of Bluetooth chip by the 19 resistance, the other end of the 22 resistance is by the 37 capacity earth, the other end of the 22 resistance is connected to the base stage of the 6th triode by the 20 resistance,
Described three-stage amplifier comprises the 8th triode, 29 resistance and the 28 resistance, the base stage of the 8th described triode is connected with the collector of the 6th triode by the 39 electric capacity, the base stage of the 8th triode by the 26 resistance be connected in analog, the emitter of the 8th described triode is connected with one end of the 29 resistance, the other end of the 29 described resistance be connected in analog, the two ends of the 29 resistance are parallel with the 42 electric capacity, the collector of the 8th described triode is connected with one end of the 28 resistance, the other end of the 28 described resistance is connected with the base stage of the 8th triode by the 25 resistance, the other end of the 28 resistance is connected with the 16 pin of Bluetooth chip by the 24 resistance, the other end of the 28 resistance is connected in analog by the 40 electric capacity.In circuit, the collector of three-stage amplifier exports power supply by Bluetooth chip pin, the working condition of such amplification circuits can be controlled by Bluetooth chip, when circuit does not need work or is in dormant state, can be disconnected it and connect, decrease the overall power of circuit.
Described envelope detection circuit comprises the 7th triode and the 30 resistance, the base stage of the 7th described triode is connected with the other end of the 28 resistance by the 27 resistance, the collector of the 7th described triode is connected in analog, the emitter of the 7th triode is connected with one end of the 30 resistance, the described other end of the 30 resistance is connected with the 19 pin of Bluetooth chip, the other end of the 30 resistance is connected in analog by the 43 electric capacity, and the other end of the 30 resistance is connected in analog by the 31 resistance.Envelope detection in receiving circuit is realized by a triode, and non-general diode adds condenser network, and circuit is simpler.
Described power management module comprises mu balanced circuit, water-sensitive on-off circuit and feed circuit, and described feed circuit are connected with control circuit by water-sensitive on-off circuit, and described water-sensitive on-off circuit is connected with mu balanced circuit.
Described feed circuit comprise two pin sockets, bridge rectifier diode and schottky diode, described bridge rectifier diode comprises the 7th diode, the 8th diode, the 9th diode and the tenth diode, the negative pole end of the 9th described diode is connected with the positive terminal of the 8th diode, the negative pole end of the 8th diode is connected with the negative pole end of the 7th diode, the positive terminal of the 7th diode and the negative pole end of the tenth diode, the positive terminal of the tenth diode is connected with the positive terminal of the 9th diode; First pin of two described pin sockets is connected with the negative pole end of the 9th diode, second pin of two pin sockets is connected with the 7th diode cathode end, the negative pole end of described schottky diode is connected with the negative pole end of the 7th diode, the positive terminal of schottky diode is connected with the positive terminal of the 9th diode, the positive terminal of schottky diode is connected in analog, and the negative pole end of described schottky diode is connected to output terminal by the 30 resistance.
Described water-sensitive on-off circuit comprises the second triode and the first resistance, the described emitter of the second triode is connected with the output terminal of feed circuit, the collector of the second described triode is connected to first resistance one end by the second resistance, the other end of the first described resistance be connected in analog, the base stage of the second described triode is connected to the other end of the first resistance by wire jumper, the 3rd resistance is connected with between the base stage of the second triode and emitter, the collector of the second triode is connected with analog power, the first described resistance two ends are parallel with zero capacitance, one end of the first described resistance is connected with the 12 pin of Bluetooth chip.The on/off of water-sensitive ON-OFF control circuit, when circuit leaves water, whole circuit is in off-state, effectively reduces circuit power consumption.
Described control circuit comprises the Bluetooth chip and peripheral circuit that model is CC2540, 16 pin of described Bluetooth chip is connected with the 17 pin, described peripheral circuit comprises the first light emitting diode, second light emitting diode, 12 electric capacity and model are the temperature sensor of DS18B20, 6th pin of described Bluetooth chip is connected with the second pin of described temperature sensor, 6th pin of Bluetooth chip is connected with the three-prong of temperature sensor by the 6th resistance, first pin of temperature sensor is connected to digitally, the three-prong of temperature sensor is connected with direct supply, 8th pin of described Bluetooth chip is connected to digitally by the 32 resistance and the first light emitting diode, 15 pin of described Bluetooth chip is connected to digitally by the 33 resistance and the second light emitting diode, 25 pin of Bluetooth chip is successively by the 8th electric capacity, 17 electric capacity, 5th inductance and the 6th inductance are connected to antenna, described one end of the 8th electric capacity is connected with the 25 pin of Bluetooth chip, the other end of the 8th electric capacity is connected to digitally by the 3rd inductance, 26 pin of described Bluetooth chip is connected with one end of the 12 electric capacity by the 9th electric capacity, the other end of the 12 described electric capacity is connected to digitally, one end of the 12 described electric capacity is connected between the 17 electric capacity and the 5th inductance by the 4th inductance, be connected by crystal oscillator between 32 pin of described Bluetooth chip and the 30 three-prong of Bluetooth chip, 32 pin of Bluetooth chip connects digitally by the 13 electric capacity, 30 three-prong of Bluetooth chip is connect digitally by the 11 electric capacity.
Compared with prior art, the invention has the advantages that in voltage conversion circuit and adopt four voltage stabilizing diodes and four electric capacity to carry out stable boosting, instead of adopt the transformer be made up of coil to realize, design the circuit obtained thus simpler, reduce the hardware cost of circuit, decrease the entire area of circuit.The present invention is provided with water-sensitive on-off circuit, utilizes the electric conductivity of water to control the break-make of whole circuit.When wireless fish deteclor leaves water, circuit is just in the state of disconnection, decreases the loss of circuit and extends battery-powered time thus.In addition, in three-stage amplifier, the collector of triode exports power supply by Bluetooth chip pin, and the some work situation of amplifying circuit can be controlled by Bluetooth chip, when circuit does not need work or is in dormant state, can disconnect it and connect, reduce the power consumption of circuit.
Accompanying drawing explanation
Fig. 1 is entire block diagram of the present invention;
Fig. 2 is receiving circuit block diagram of the present invention;
Fig. 3 is radiating circuit block diagram of the present invention;
Fig. 4 is control circuit figure of the present invention;
Fig. 5 is receiving circuit figure of the present invention;
Fig. 6 is radiating circuit figure of the present invention;
Fig. 7 is water-sensitive on-off circuit figure of the present invention;
Fig. 8 is power supply circuit of the present invention;
Fig. 9 is mu balanced circuit figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figures 1 to 9: a kind of wireless fish deteclor circuit based on bluetooth, comprise transducer 4, transducer driving circuit, control circuit 1, antenna 5 and power management module, transducer driving circuit comprises receiving circuit 2 and radiating circuit 3, control circuit 1 is connected with transducer 4 by radiating circuit 3, transducer 4 is connected with control circuit 1 by receiving circuit 2, power management module is connected with transducer driving circuit, control circuit 1 comprises Bluetooth chip U1, Bluetooth chip U1 is connected with power management module, and control circuit 1 is connected with antenna 5.
Radiating circuit 3 comprises voltage conversion circuit 14, filtering tank circuit 15 and transmitting-receiving control circuit 16, control circuit 1 is connected to transducer 4 by voltage conversion circuit 14, filtering tank circuit 15, transmitting-receiving control circuit 16 successively, receiving circuit 2 comprises filtering circuit 9, amplifying circuit and envelope detection circuit 13, and transducer 4 is connected with control circuit 1 by filtering circuit 9, amplifying circuit, envelope detection circuit 13 successively.
Voltage conversion circuit 14 comprises the first diode D1, second diode D2, 3rd diode D3 and the 4th diode D4, first diode D1, second diode D2, 3rd diode D3 and the 4th diode D4 series aiding connection successively, the positive terminal of the first diode D1 is connected with direct supply VCC, the negative pole end of the first diode D1 is connected to the 9th pin of Bluetooth chip U1 by the 24 electric capacity C24, the negative pole end of the second diode D2 is connected to the 11 pin of Bluetooth chip U1 by the 25 electric capacity C25, the negative pole end of the 3rd diode D3 is connected to the 9th pin of Bluetooth chip U1 by the 23 electric capacity C23, the negative pole end of the 4th diode D4 is connected to the 11 pin of Bluetooth chip U1 by the 26 electric capacity C26,
Filtering tank circuit 15 comprises the 8th inductance L 8, one end of 8th inductance L 8 is connected to the negative pole end of the 4th diode D4 by the tenth resistance R, one end of 8th inductance L 8 is connected to AGND in analog by the 30 electric capacity C30, the other end of the 8th inductance L 8 is connected with the second pin of transducer 4, and the two ends of the 8th inductance L are parallel with the 31 electric capacity C31;
Transmitting-receiving control circuit 16 comprises the 4th triode Q4, the base stage of the 4th triode Q4 is connected with the tenth three-prong of Bluetooth chip U1 by the 12 resistance R12, the collector of the 4th triode Q4 is connected to the second pin of transducer 4, the grounded emitter of the 4th triode Q4.
Filtering circuit 9 comprises the 7th inductance L 7, first pin of transducer 4 is connected to AGND in analog by the tenth inductance L 10, second pin of transducer 4 is successively by the 9th inductance L 9, 35 electric capacity C35, 5th diode D5, 6th diode D6 is connected with one end of the 7th inductance L 7, the negative pole end of the 5th diode D5 is connected with the positive terminal of the 6th diode D6, the other end of the 7th inductance L 7 is connected with AGND in analog, the two ends of the 7th inductance L 7 are parallel with the 28 electric capacity C28, one end of 7th inductance L 7 is connected with amplifying circuit by the 29 electric capacity C29.
Amplifying circuit comprises one-level amplifying circuit 10, second amplifying circuit 11 and three-stage amplifier 12, one-level amplifying circuit 10 comprises the 5th triode Q5, 11 resistance R11, 13 resistance R13, 18 resistance R18 and the 17 resistance R17, 11 resistance R11 one end is connected with the 14 pin of Bluetooth chip U1, the other end of the 11 resistance R11 is connected to AGND in analog by the 27 electric capacity C27, the other end of the 11 resistance R11 is connected with one end of the 13 resistance R13, the other end of the 13 resistance R13 is connected with the 16 pin of Bluetooth chip U1, one end of 13 resistance R13 is by ground connection after the 32 electric capacity C32, one end of 13 resistance R13 is connected with the base stage of the 5th triode Q5 by the 14 resistance R14, the base stage of the 5th triode Q5 is connected with filtering circuit 9, the base stage of the 5th triode Q5 is connected to AGND in analog by the 15 resistance R15, the emitter of the 5th triode Q5 is connected with one end of the 18 resistance R18, the other end of the 18 resistance R18 is connected to AGND in analog, the two ends of the 18 resistance R18 are parallel with the 33 electric capacity C33, the collector of the 5th triode Q5 is connected with one end of the 17 resistance R17, the other end of the 17 resistance R17 is connected with the 16 pin of Bluetooth chip U1 by the 16 resistance R16, the other end of the 17 resistance R17 is by the 34 electric capacity C34 ground connection,
Second amplifying circuit 11 comprises the 6th triode Q6, 23 resistance R23 and the 22 resistance R22, the base stage of the 6th triode Q6 is connected to the collector of the 5th triode Q5 by the 36 electric capacity C36, the emitter of the 6th triode Q6 is connected with one end of the 23 resistance R23, the other end of 23 resistance R23 is connected with the base stage of the 6th triode Q6 by the 21 resistance R21, the other end of 23 resistance R23 is connected with AGND in analog, the two ends of 23 resistance R23 are parallel with the 38 electric capacity C38, the collector of the 6th triode Q6 is connected with one end of the 22 resistance R22, the other end of the 22 resistance R22 is connected with the 16 pin of Bluetooth chip U1 by the 19 resistance R19, the other end of the 22 resistance R22 is by the 37 electric capacity C37 ground connection, the other end of the 22 resistance R22 is connected to the base stage of the 6th triode Q6 by the 20 resistance R20, three-stage amplifier 12 comprises the 8th triode Q8, 29 resistance R29 and the 28 resistance R28, the base stage of the 8th triode Q8 is connected with the collector of the 6th triode Q6 by the 39 electric capacity C39, the base stage of the 8th triode Q8 is connected with AGND in analog by the 26 resistance R26, the emitter of the 8th triode Q8 is connected with one end of the 29 resistance R29, the other end of the 29 resistance R29 is connected with AGND in analog, the two ends of the 29 resistance R29 are parallel with the 42 electric capacity C42, the collector of the 8th triode Q8 is connected with one end of the 28 resistance R28, the other end of the 28 resistance R28 is connected with the base stage of the 8th triode Q8 by the 25 resistance R25, the other end of the 28 resistance R28 is connected with the 16 pin of Bluetooth chip U1 by the 24 resistance R24, the other end of the 28 resistance R28 is connected to AGND in analog by the 40 electric capacity C40.
Envelope detection circuit 13 comprises the 7th triode Q7 and the 30 resistance R30, the base stage of the 7th triode Q7 is connected with the other end of the 28 resistance R28 by the 27 resistance R27, the collector of the 7th triode Q7 is connected to AGND in analog, the emitter of the 7th triode Q7 is connected with one end of the 30 resistance R30, the other end of the 30 resistance R30 is connected with the 19 pin of Bluetooth chip U1, the other end of the 30 resistance R30 is connected to AGND in analog by the 43 electric capacity C43, the other end of the 30 resistance R30 is connected to AGND in analog by the 31 resistance R31.
Power management module comprises mu balanced circuit 8, water-sensitive on-off circuit 7 and feed circuit 6, and feed circuit 6 are connected with control circuit 6 by water-sensitive on-off circuit 7, and water-sensitive on-off circuit 7 is connected with mu balanced circuit 8.
Feed circuit 6 comprise two pin socket VO, bridge rectifier diode and schottky diode D0, bridge rectifier diode comprises the 7th diode D7, the 8th diode D8, the 9th diode D9 and the tenth diode D10, the negative pole end of the 9th diode D9 is connected with the positive terminal of the 8th diode D8, the negative pole end of the 8th diode D8 is connected with the negative pole end of the 7th diode D7, the positive terminal of the 7th diode D7 and the negative pole end of the tenth diode D10, the positive terminal of the tenth diode D10 is connected with the positive terminal of the 9th diode D9; First pin of two pin socket VO is connected with the negative pole end of the 9th diode D9, second pin of two pin socket VO is connected with the 7th diode D7 positive terminal, the negative pole end of schottky diode D0 is connected with the negative pole end of the 7th diode, the positive terminal of schottky diode D0 is connected with the positive terminal of the 9th diode D9, the positive terminal of schottky diode D0 is connected to AGND in analog, and the negative pole end of schottky diode D0 is connected to output terminal by the 30 resistance R30.
Water-sensitive on-off circuit 7 comprises the second triode Q2 and the first resistance R1, the emitter of the second triode Q2 is connected with the output terminal of feed circuit 6, the collector of the second triode Q2 is connected to first resistance R1 one end by the second resistance R2, the other end of the first resistance R1 is connected with AGND in analog, the base stage of the second triode Q2 is connected to the other end of the first resistance R1 by wire jumper Jumper, the 3rd resistance R3 is connected with between the base stage of the second triode Q2 and emitter, the collector of the second triode Q2 is connected with analog power, first resistance R1 two ends are parallel with zero capacitance C0, one end of first resistance R1 is connected with the 12 pin of Bluetooth chip U1.
Control circuit 1 comprises the Bluetooth chip U1 and peripheral circuit that model is CC2540, 16 pin of Bluetooth chip U1 is connected with the 17 pin, peripheral circuit comprises the first light emitting diode, second light emitting diode, 12 electric capacity C12 and model are the temperature sensor J2 of DS18B20, 6th pin of Bluetooth chip U1 is connected with second pin of temperature sensor J2, 6th pin of Bluetooth chip U1 is connected with the three-prong of temperature sensor J2 by the 6th resistance R6, first pin of temperature sensor J2 is connected to digitally, the three-prong of temperature sensor J2 is connected with direct supply VCC, 8th pin of Bluetooth chip U1 is connected to digitally DGND by the 32 resistance R32 and the first LED 1, 15 pin of Bluetooth chip U1 is connected to digitally DGND by the 33 resistance R33 and the second LED 2, 25 pin of Bluetooth chip U1 is successively by the 8th electric capacity C8, 17 electric capacity C17, 5th inductance L 5 and the 6th inductance L 6 are connected to antenna 5, one end of 8th electric capacity C8 is connected with the 25 pin of Bluetooth chip U1, the other end of the 8th electric capacity C8 is connected to digitally DGND by the 3rd inductance L 3, 26 pin of Bluetooth chip U1 is connected with one end of the 12 electric capacity C12 by the 9th electric capacity C9, the other end of the 12 electric capacity C12 is connected to digitally DGND, one end of 12 electric capacity C12 is connected between the 17 electric capacity C17 and the 5th inductance L 5 by the 4th inductance L 4, be connected by crystal oscillator Y1 between 32 pin of Bluetooth chip U1 and the 30 three-prong of Bluetooth chip U1, 32 pin of Bluetooth chip U1 meets digitally DGND by the 13 electric capacity C13, 30 three-prong of Bluetooth chip U1 meets digitally DGND by the 11 electric capacity C11.
Feed circuit 6 receive the input voltage of 3.6V, by water-sensitive on-off circuit 7, then give transducer 4 driving circuit and control circuit 1 energize portions through mu balanced circuit 8.Transducer 4 realizes the mutual conversion of electric energy and acoustic energy, during reception, converts sound wave to electric signal, during transmitting, converts the electrical signal to sound wave.Control circuit 1 controls transducer 4 driving circuit and launches or receive, and can control it and quit work.
The receiving circuit 2 of transducer 4 is as Fig. 5, the collector of common amplifying circuit is powered and is directly provided by power supply, in this circuit, the collector of three-stage amplifier 12 exports power supply by Bluetooth chip U1 pin, the working condition of such amplification circuits can be controlled by Bluetooth chip U1, when circuit does not need work or is in dormant state, can be disconnected it connect, decrease the overall power of circuit.Envelope detection in this receiving circuit 2 is realized by a triode, and non-general diode adds condenser network.
The radiating circuit 3 of transducer 4 is as Fig. 6, voltage conversion circuit 14 is wherein made up of four diodes, four electric capacity, VCC direct current supply, PWM0, PWM1 pulse and electric capacity provide concussion, voltage after the output boosting of the negative pole end of the 4th diode D4, changes electric capacity and pwm pulse frequency can change booster voltage.
Water-sensitive on-off circuit 7 as shown in Figure 7, the conduction of water is utilized its equivalence to be become a switch access loop, power supply BVCC is connected to the second triode Q2 emitter, conducting after two tactile poles of this circuit touch water, second triode Q2 emitter and base voltage are greater than and open voltage, second triode Q2 conducting, obtains output voltage AVCC at the collector of the second triode Q2.This circuit can also be powered to Bluetooth chip U1 collection supply voltage, by the first resistance R1 and the second resistance R2 by source voltage, regulate its resistance to be set to collection reference voltage by the highest for collection place voltage, more just can calculate the electricity number percent of power supply by the voltage that collects and resistance power consumption.
Claims (9)
1. the wireless fish deteclor circuit based on bluetooth, it is characterized in that comprising transducer, transducer driving circuit, control circuit, antenna and power management module, described transducer driving circuit comprises receiving circuit and radiating circuit, described control circuit is connected with transducer by radiating circuit, described transducer is connected with control circuit by receiving circuit, described power management module is connected with transducer driving circuit, described control circuit comprises Bluetooth chip, described Bluetooth chip is connected with described power management module, described control circuit is connected with antenna,
Described radiating circuit comprises voltage conversion circuit, filtering tank circuit and transmitting-receiving control circuit, described control circuit is connected to transducer by voltage conversion circuit, filtering tank circuit, transmitting-receiving control circuit successively, described receiving circuit comprises filtering circuit, amplifying circuit and envelope detection circuit, and described transducer is connected with control circuit by filtering circuit, amplifying circuit, envelope detection circuit successively.
2. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that described voltage conversion circuit comprises the first diode, second diode, 3rd diode and the 4th diode, the first described diode, second diode, 3rd diode and the 4th diode series aiding connection successively, the positive terminal of the first described diode is connected with direct supply, the negative pole end of the first diode is connected to the 9th pin of Bluetooth chip by the 24 electric capacity, the negative pole end of the second diode is connected to the 11 pin of Bluetooth chip by the 25 electric capacity, the negative pole end of the 3rd diode is connected to the 9th pin of Bluetooth chip by the 23 electric capacity, the negative pole end of the 4th diode is connected to the 11 pin of Bluetooth chip by the 26 electric capacity,
Described filtering tank circuit comprises the 8th inductance, one end of the 8th described inductance is connected to the negative pole end of the 4th diode by the tenth resistance, one end of 8th inductance is connected in analog by the 30 electric capacity, the other end of the 8th inductance is connected with the second pin of transducer, and the two ends of the 8th inductance are parallel with the 31 electric capacity;
Described transmitting-receiving control circuit comprises the 4th triode, the base stage of the 4th described triode is connected with the tenth three-prong of Bluetooth chip by the 12 resistance, the collector of the 4th triode is connected to the second pin of transducer, the grounded emitter of the 4th triode.
3. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that described filtering circuit comprises the 7th inductance, first pin of described transducer is connected in analog by the tenth inductance, second pin of described transducer is successively by the 9th inductance, 35 electric capacity, 5th diode, 6th diode is connected with one end of the 7th inductance, the negative pole end of the 5th described diode is connected with the positive terminal of the 6th diode, the other end of the 7th described inductance be connected in analog, the two ends of the 7th described inductance are parallel with the 28 electric capacity, one end of the 7th described inductance is connected with amplifying circuit by the 29 electric capacity.
4. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that described amplifying circuit comprises one-level amplifying circuit, second amplifying circuit and three-stage amplifier, described one-level amplifying circuit comprises the 5th triode, 11 resistance, 13 resistance, 18 resistance and the 17 resistance, the 11 described resistance one end is connected with the 14 pin of Bluetooth chip, the other end of the 11 described resistance is connected in analog by the 27 electric capacity, the other end of the 11 resistance is connected with one end of the 13 resistance, the described other end of the 13 resistance is connected with the 16 pin of Bluetooth chip, one end of 13 resistance is by ground connection after the 32 electric capacity, one end of 13 resistance is connected with the base stage of the 5th triode by the 14 resistance, the base stage of the 5th described triode is connected with filtering circuit, the base stage of the 5th triode is connected in analog by the 15 resistance, the emitter of the 5th described triode is connected with one end of the 18 resistance, the other end of the 18 described resistance is connected in analog, the two ends of the 18 resistance are parallel with the 33 electric capacity, the collector of the 5th described triode is connected with one end of the 17 resistance, the other end of the 17 described resistance is connected with the 16 pin of Bluetooth chip by the 16 resistance, the other end of the 17 resistance is by the 34 capacity earth,
Described second amplifying circuit comprises the 6th triode, 23 resistance and the 22 resistance, the base stage of the 6th described triode is connected to the collector of the 5th triode by the 36 electric capacity, the emitter of the 6th triode is connected with one end of the 23 resistance, the other end of 23 described resistance is connected with the base stage of the 6th triode by the 21 resistance, the other end of 23 resistance be connected in analog, the two ends of 23 resistance are parallel with the 38 electric capacity, the collector of the 6th described triode is connected with one end of the 22 resistance, the other end of the 22 resistance is connected with the 16 pin of Bluetooth chip by the 19 resistance, the other end of the 22 resistance is by the 37 capacity earth, the other end of the 22 resistance is connected to the base stage of the 6th triode by the 20 resistance,
Described three-stage amplifier comprises the 8th triode, 29 resistance and the 28 resistance, the base stage of the 8th described triode is connected with the collector of the 6th triode by the 39 electric capacity, the base stage of the 8th triode by the 26 resistance be connected in analog, the emitter of the 8th described triode is connected with one end of the 29 resistance, the other end of the 29 described resistance be connected in analog, the two ends of the 29 resistance are parallel with the 42 electric capacity, the collector of the 8th described triode is connected with one end of the 28 resistance, the other end of the 28 described resistance is connected with the base stage of the 8th triode by the 25 resistance, the other end of the 28 resistance is connected with the 16 pin of Bluetooth chip by the 24 resistance, the other end of the 28 resistance is connected in analog by the 40 electric capacity.
5. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that described envelope detection circuit comprises the 7th triode and the 30 resistance, the base stage of the 7th described triode is connected with the other end of the 28 resistance by the 27 resistance, the collector of the 7th described triode is connected in analog, the emitter of the 7th triode is connected with one end of the 30 resistance, the described other end of the 30 resistance is connected with the 19 pin of Bluetooth chip, the other end of the 30 resistance is connected in analog by the 43 electric capacity, the other end of the 30 resistance is connected in analog by the 31 resistance.
6. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that described power management module comprises mu balanced circuit, water-sensitive on-off circuit and feed circuit, described feed circuit are connected with control circuit by water-sensitive on-off circuit, and described mu balanced circuit is connected with water-sensitive on-off circuit.
7. a kind of wireless fish deteclor circuit based on bluetooth according to claim 6, it is characterized in that described feed circuit comprise two pin sockets, bridge rectifier diode and schottky diode, described bridge rectifier diode comprises the 7th diode, 8th diode, 9th diode and the tenth diode, the negative pole end of the 9th described diode is connected with the positive terminal of the 8th diode, the negative pole end of the 8th diode is connected with the negative pole end of the 7th diode, the positive terminal of the 7th diode and the negative pole end of the tenth diode, the positive terminal of the tenth diode is connected with the positive terminal of the 9th diode, first pin of two described pin sockets is connected with the negative pole end of the 9th diode, second pin of two pin sockets is connected with the 7th diode cathode end, the negative pole end of described schottky diode is connected with the negative pole end of the 7th diode, the positive terminal of schottky diode is connected with the positive terminal of the 9th diode, the positive terminal of schottky diode is connected in analog, and the negative pole end of described schottky diode is connected to output terminal by the 30 resistance.
8. a kind of wireless fish deteclor circuit based on bluetooth according to claim 6, it is characterized in that described water-sensitive on-off circuit comprises the second triode and the first resistance, the described emitter of the second triode is connected with the output terminal of feed circuit, the collector of the second described triode is connected to first resistance one end by the second resistance, the other end of the first described resistance be connected in analog, the base stage of the second described triode is connected to the other end of the first resistance by wire jumper, the 3rd resistance is connected with between the base stage of the second triode and emitter, the collector of the second triode is connected with analog power, the first described resistance two ends are parallel with zero capacitance, one end of the first described resistance is connected with the 12 pin of Bluetooth chip.
9. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that described control circuit comprises the Bluetooth chip and peripheral circuit that model is CC2540, 16 pin of described Bluetooth chip is connected with the 17 pin, described peripheral circuit comprises the first light emitting diode, second light emitting diode, 12 electric capacity and model are the temperature sensor of DS18B20, 6th pin of described Bluetooth chip is connected with the second pin of described temperature sensor, 6th pin of Bluetooth chip is connected with the three-prong of temperature sensor by the 6th resistance, first pin of temperature sensor is connected to digitally, the three-prong of temperature sensor is connected with direct supply, 8th pin of described Bluetooth chip is connected to digitally by the 32 resistance and the first light emitting diode, 15 pin of described Bluetooth chip is connected to digitally by the 33 resistance and the second light emitting diode, 25 pin of Bluetooth chip is successively by the 8th electric capacity, 17 electric capacity, 5th inductance and the 6th inductance are connected to antenna, described one end of the 8th electric capacity is connected with the 25 pin of Bluetooth chip, the other end of the 8th electric capacity is connected to digitally by the 3rd inductance, 26 pin of described Bluetooth chip is connected with one end of the 12 electric capacity by the 9th electric capacity, the other end of the 12 described electric capacity is connected to digitally, one end of the 12 described electric capacity is connected between the 17 electric capacity and the 5th inductance by the 4th inductance, be connected by crystal oscillator between 32 pin of described Bluetooth chip and the 30 three-prong of Bluetooth chip, 32 pin of Bluetooth chip connects digitally by the 13 electric capacity, 30 three-prong of Bluetooth chip is connect digitally by the 11 electric capacity.
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| CN201410082653.9A CN103885360B (en) | 2014-03-07 | 2014-03-07 | A kind of wireless fish deteclor circuit based on bluetooth |
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| CN104122558B (en) * | 2014-07-23 | 2017-01-25 | 南京宁禄科技有限公司 | Depth-sounding fish-finding system achieving display by means of mobile terminal and depth-sounding fish-finding method thereof |
| CN106443685A (en) * | 2016-09-28 | 2017-02-22 | 深圳市众凌汇科技有限公司 | Power adjustable wireless fish probing device |
| CN108632792B (en) * | 2017-12-08 | 2024-02-09 | 百富计算机技术（深圳）有限公司 | Novel bluetooth circuit and POS machine |
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| JPH1123708A (en) * | 1997-07-08 | 1999-01-29 | Furuno Electric Co Ltd | Underwater information display device |
| CN202799935U (en) * | 2012-08-09 | 2013-03-20 | 滨州学院 | Multifunctional electric fishing assisting device |
| CN103151988A (en) * | 2013-02-01 | 2013-06-12 | 四川虹视显示技术有限公司 | Self-adaptive amplifying circuit and fish detector based thereon |
| EP2703835A1 (en) * | 2012-08-30 | 2014-03-05 | Furuno Electric Co., Ltd. | Target object detection device and method of displaying echo data in the target object detection device |
| CN203812030U (en) * | 2014-03-07 | 2014-09-03 | 宁波成电泰克电子信息技术发展有限公司 | Bluetooth-based wireless fish finder circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20140010043A1 (en) * | 2012-07-04 | 2014-01-09 | Stanley Jerome Pawlik | Portable Sonar Imaging System and Method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1123708A (en) * | 1997-07-08 | 1999-01-29 | Furuno Electric Co Ltd | Underwater information display device |
| CN202799935U (en) * | 2012-08-09 | 2013-03-20 | 滨州学院 | Multifunctional electric fishing assisting device |
| EP2703835A1 (en) * | 2012-08-30 | 2014-03-05 | Furuno Electric Co., Ltd. | Target object detection device and method of displaying echo data in the target object detection device |
| CN103151988A (en) * | 2013-02-01 | 2013-06-12 | 四川虹视显示技术有限公司 | Self-adaptive amplifying circuit and fish detector based thereon |
| CN203812030U (en) * | 2014-03-07 | 2014-09-03 | 宁波成电泰克电子信息技术发展有限公司 | Bluetooth-based wireless fish finder circuit |
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