CN203812030U - Bluetooth-based wireless fish finder circuit - Google Patents
Bluetooth-based wireless fish finder circuit Download PDFInfo
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- CN203812030U CN203812030U CN201420103824.7U CN201420103824U CN203812030U CN 203812030 U CN203812030 U CN 203812030U CN 201420103824 U CN201420103824 U CN 201420103824U CN 203812030 U CN203812030 U CN 203812030U
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Abstract
The utility model discloses a Bluetooth-based wireless fish finder circuit. The Bluetooth-based wireless fish finder circuit comprises an energy converter, an energy converter drive circuit, a control circuit, an antenna and a power management module; the energy converter drive circuit comprises a receiving circuit and a transmitting circuit; the receiving circuit and the transmitting circuit are connected between the control circuit and the energy converter; the power management module is connected with the energy converter drive circuit; and the control circuit comprises a Bluetooth chip connected with the power management module, and the control circuit is connected with the antenna. In the voltage conversion circuit, stable boost is carried out by using four voltage-regulator diodes and four capacitors instead of using a transformer composed of coils, and therefore the obtained circuit is more simple, the hardware cost of the circuit is reduced, and the whole area of the circuit is reduced. The Bluetooth-based wireless fish finder circuit is provided with a water-sensitive switching circuit, and on-off of the whole circuit is controlled by utilization of water conductivity. When the wireless fish finder departs from water, the circuit is in an off state, losses of the circuit are reduced, and therefore battery power supply time is prolonged.
Description
Technical field
The utility model relates to a kind of wireless fish deteclor circuit, especially relates to a kind of wireless fish deteclor circuit based on bluetooth.
Background technology
Transducer is to utilize 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 processing 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 receive and dispatch ultrasound wave.The circuit of this fish deteclor has controls feature simple, that easily realize, but has 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 is a bit for well.The shared volume of existing fish deteclor circuit is larger, causes fishing tackle volume larger.3, fish deteclor is used out of doors, and the continuous working period of power supply is key factor.During existing fishing tackle work, power consumption is larger, causes the time of power supply continuous firing not long.In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of wireless fish deteclor circuit based on bluetooth.
Summary of the invention
Technical problem to be solved in the utility model is to provide the wireless fish deteclor circuit based on bluetooth that a kind of the electric circuit constitute is comparatively simple, power consumption is less.
The utility model 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, the second diode, the 3rd diode and the 4th diode, the first described diode, the second diode, the 3rd diode and the 4th diode be 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 the 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, rather than use the transformer being formed by coil, change the ratio that capacitance and frequency input signal can change output voltage and input voltage.
Described filtering circuit comprises the 7th inductance, the first pin of described transducer is connected in analog by the tenth inductance, the second pin of described transducer is successively by the 9th inductance, the 35 electric capacity, the 5th diode, the 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, the 11 resistance, the 13 resistance, the 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 other end of the 13 described resistance is connected with the 16 pin of Bluetooth chip, one end of the 13 resistance is by ground connection after the 32 electric capacity, one end of the 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, the 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, the 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 is passed through the 26 resistance and is 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 is by Bluetooth chip pin output power supply, the working condition of amplification circuits can be controlled by Bluetooth chip like this, when circuit does not need work or during in dormant state, can disconnect it and connect, reduced 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 other end of the 30 described 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 negative pole end of the positive terminal of the 7th diode and the tenth diode, the positive terminal of the tenth diode is connected with the positive terminal of the 9th diode; The first pin of two described pin sockets is connected with the negative pole end of the 9th diode, the 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 and the output terminal of feed circuit are connected, 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, between the base stage of the second triode and emitter, be connected with the 3rd resistance, 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 leaving water, whole circuit, in off-state, effectively reduces circuit power consumption.
Described control circuit comprises that model is Bluetooth chip and the peripheral circuit of CC2540, the 16 pin of described Bluetooth chip is connected with the 17 pin, described peripheral circuit comprises the first light emitting diode, the second light emitting diode, the temperature sensor that the 12 electric capacity and model are DS18B20, the 6th pin of described Bluetooth chip is connected with the second pin of described temperature sensor, the 6th pin of Bluetooth chip is connected with the three-prong of temperature sensor by the 6th resistance, the first pin of temperature sensor is connected to digitally, the three-prong of temperature sensor is connected with direct supply, the 8th pin of described Bluetooth chip is connected to digitally by the 32 resistance and the first light emitting diode, the 15 pin of described Bluetooth chip is connected to digitally by the 33 resistance and the second light emitting diode, the 25 pin of Bluetooth chip is successively by the 8th electric capacity, the 17 electric capacity, the 5th inductance and the 6th inductance are connected to antenna, one end of the 8th described 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, the 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, between the 32 pin of described Bluetooth chip and the 30 three-prong of Bluetooth chip, by crystal oscillator, be connected, the 32 pin of Bluetooth chip connects digitally by the 13 electric capacity, the 30 three-prong of Bluetooth chip connects digitally by the 11 electric capacity.
Compared with prior art, the utility model has the advantage of that in voltage conversion circuit, adopting four voltage stabilizing diodes and four electric capacity to stablize boosts, rather than adopt the transformer being formed by coil to realize, the circuit that design obtains is thus simpler, reduce the hardware cost of circuit, reduced the entire area of circuit.The utility model 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 leaving water, circuit is the state in disconnecting just, has reduced the loss of circuit and has extended thus battery-powered time.In addition, in three-stage amplifier, the collector of triode is by the output power supply of Bluetooth chip pin, and the some work situation of amplifying circuit can be controlled by Bluetooth chip, when circuit does not need work or during in dormant state, can disconnect it and connect, reduces the power consumption of circuit.
Accompanying drawing explanation
Fig. 1 is entire block diagram of the present utility model;
Fig. 2 is receiving circuit block diagram of the present utility model;
Fig. 3 is radiating circuit block diagram of the present utility model;
Fig. 4 is control circuit figure of the present utility model;
Fig. 5 is receiving circuit figure of the present utility model;
Fig. 6 is radiating circuit figure of the present utility model;
Fig. 7 is water-sensitive on-off circuit figure of the present utility model;
Fig. 8 is power supply circuit of the present utility model;
Fig. 9 is mu balanced circuit figure of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
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, the second diode D2, the 3rd diode D3 and the 4th diode D4, the first diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4 be 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 capacitor C 24, the negative pole end of the second diode D2 is connected to the 11 pin of Bluetooth chip U1 by the 25 capacitor C 25, the negative pole end of the 3rd diode D3 is connected to the 9th pin of Bluetooth chip U1 by the 23 capacitor C 23, the negative pole end of the 4th diode D4 is connected to the 11 pin of Bluetooth chip U1 by the 26 capacitor C 26,
Filtering tank circuit 15 comprises the 8th inductance L 8, one end of the 8th inductance L 8 is connected to the negative pole end of the 4th diode D4 by the tenth resistance R, one end of the 8th inductance L 8 is connected to AGND in analog by the 30 capacitor C 30, 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 capacitor C 31;
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 R 12, 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, the first pin of transducer 4 is connected to AGND in analog by the tenth inductance L 10, the second pin of transducer 4 is successively by the 9th inductance L 9, the 35 capacitor C 35, the 5th diode D5, the 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 capacitor C 28, one end of the 7th inductance L 7 is connected with amplifying circuit by the 29 capacitor C 29.
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, the 11 resistance R 11, the 13 resistance R 13, the 18 resistance R 18 and the 17 resistance R 17, the 11 resistance R 11 one end are connected with the 14 pin of Bluetooth chip U1, the other end of the 11 resistance R 11 is connected to AGND in analog by the 27 capacitor C 27, the other end of the 11 resistance R 11 is connected with one end of the 13 resistance R 13, the other end of the 13 resistance R 13 is connected with the 16 pin of Bluetooth chip U1, one end of the 13 resistance R 13 is by the rear ground connection of the 32 capacitor C 32, one end of the 13 resistance R 13 is connected with the base stage of the 5th triode Q5 by the 14 resistance R 14, 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 R 15, the emitter of the 5th triode Q5 is connected with one end of the 18 resistance R 18, the other end of the 18 resistance R 18 is connected to AGND in analog, the two ends of the 18 resistance R 18 are parallel with the 33 capacitor C 33, the collector of the 5th triode Q5 is connected with one end of the 17 resistance R 17, the other end of the 17 resistance R 17 is connected with the 16 pin of Bluetooth chip U1 by the 16 resistance R 16, the other end of the 17 resistance R 17 is by the 34 capacitor C 34 ground connection,
Second amplifying circuit 11 comprises the 6th triode Q6, the 23 resistance R 23 and the 22 resistance R 22, the base stage of the 6th triode Q6 is connected to the collector of the 5th triode Q5 by the 36 capacitor C 36, the emitter of the 6th triode Q6 is connected with one end of the 23 resistance R 23, the other end of 23 resistance R 23 is connected with the base stage of the 6th triode Q6 by the 21 resistance R 21, the other end of 23 resistance R 23 is connected with AGND in analog, the two ends of 23 resistance R 23 are parallel with the 38 capacitor C 38, the collector of the 6th triode Q6 is connected with one end of the 22 resistance R 22, the other end of the 22 resistance R 22 is connected with the 16 pin of Bluetooth chip U1 by the 19 resistance R 19, the other end of the 22 resistance R 22 is by the 37 capacitor C 37 ground connection, the other end of the 22 resistance R 22 is connected to the base stage of the 6th triode Q6 by the 20 resistance R 20,
Three-stage amplifier 12 comprises the 8th triode Q8, the 29 resistance R 29 and the 28 resistance R 28, the base stage of the 8th triode Q8 is connected with the collector of the 6th triode Q6 by the 39 capacitor C 39, the base stage of the 8th triode Q8 is connected with AGND in analog by the 26 resistance R 26, the emitter of the 8th triode Q8 is connected with one end of the 29 resistance R 29, the other end of the 29 resistance R 29 is connected with AGND in analog, the two ends of the 29 resistance R 29 are parallel with the 42 capacitor C 42, the collector of the 8th triode Q8 is connected with one end of the 28 resistance R 28, the other end of the 28 resistance R 28 is connected with the base stage of the 8th triode Q8 by the 25 resistance R 25, the other end of the 28 resistance R 28 is connected with the 16 pin of Bluetooth chip U1 by the 24 resistance R 24, the other end of the 28 resistance R 28 is connected to AGND in analog by the 40 capacitor C 40.
Envelope detection circuit 13 comprises the 7th triode Q7 and the 30 resistance R 30, the base stage of the 7th triode Q7 is connected with the other end of the 28 resistance R 28 by the 27 resistance R 27, 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 R 30, the other end of the 30 resistance R 30 is connected with the 19 pin of Bluetooth chip U1, the other end of the 30 resistance R 30 is connected to AGND in analog by the 43 capacitor C 43, the other end of the 30 resistance R 30 is connected to AGND in analog by the 31 resistance R 31.
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 negative pole end of the positive terminal of the 7th diode D7 and the tenth diode D10, the positive terminal of the tenth diode D10 is connected with the positive terminal of the 9th diode D9; The first pin of two pin socket VO is connected with the negative pole end of the 9th diode D9, the 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 R 30.
Water-sensitive on-off circuit 7 comprises the second triode Q21 and the first resistance R 1, the emitter of the second triode Q21 is connected with the output terminal of feed circuit 6, the collector of the second triode Q21 is connected to first resistance R 1 one end by the second resistance R 2, the other end of the first resistance R 1 is connected with AGND in analog, the base stage of the second triode Q21 is connected to the other end of the first resistance R 1 by wire jumper Jumper, between the base stage of the second triode Q21 and emitter, be connected with the 3rd resistance R 3, the collector of the second triode Q21 is connected with analog power, the first resistance R 1 two ends are parallel with zero capacitance C0, one end of the first resistance R 1 is connected with the 12 pin of Bluetooth chip U1.
Control circuit 1 comprises that model is Bluetooth chip U1 and the peripheral circuit of CC2540, the 16 pin of Bluetooth chip U1 is connected with the 17 pin, peripheral circuit comprises the first light emitting diode, the second light emitting diode, the temperature sensor J2 that the 12 capacitor C 12 and model are DS18B20, the 6th pin of Bluetooth chip U1 is connected with the second pin of temperature sensor J2, the 6th pin of Bluetooth chip U1 is connected with the three-prong of temperature sensor J2 by the 6th resistance R 6, the first pin of temperature sensor J2 is connected to digitally, the three-prong of temperature sensor J2 is connected with direct supply VCC, the 8th pin of Bluetooth chip U1 is connected to digitally DGND by the 32 resistance R 32 and the first LED 1, the 15 pin of Bluetooth chip U1 is connected to digitally DGND by the 33 resistance R 33 and the second LED 2, the 25 pin of Bluetooth chip U1 is successively by the 8th capacitor C 8, the 17 capacitor C 17, the 5th inductance L 5 and the 6th inductance L 6 are connected to antenna 5, one end of the 8th capacitor C 8 is connected with the 25 pin of Bluetooth chip U1, the other end of the 8th capacitor C 8 is connected to digitally DGND by the 3rd inductance L 3, the 26 pin of Bluetooth chip U1 is connected with one end of the 12 capacitor C 12 by the 9th capacitor C 9, the other end of the 12 capacitor C 12 is connected to digitally DGND, one end of the 12 capacitor C 12 is connected between the 17 capacitor C 17 and the 5th inductance L 5 by the 4th inductance L 4, between the 32 pin of Bluetooth chip U1 and the 30 three-prong of Bluetooth chip U1, by crystal oscillator Y1, be connected, the 32 pin of Bluetooth chip U1 meets digitally DGND by the 13 capacitor C 13, the 30 three-prong of Bluetooth chip U1 meets digitally DGND by the 11 capacitor C 11.
Feed circuit 6 receive the input voltage of 3.6V, by water-sensitive on-off circuit 7, then give transducer 4 driving circuits and control circuit 1 part power supply through mu balanced circuit 8.Transducer 4 is realized 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 is controlled transducer 4 driving circuits transmittings or is received, and can control it and quit work.
The receiving circuit 2 of transducer 4 is as Fig. 5, the collector power supply of common amplifying circuit is directly provided by power supply, in this circuit, the collector of three-stage amplifier 12 is by Bluetooth chip U1 pin output power supply, the working condition of amplification circuits can be controlled by Bluetooth chip U1 like this, when circuit does not need work or during in dormant state, can disconnect it and connect, reduce 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 comprised of four diodes, four electric capacity, VCC direct current supply, PWM0, PWM1 pulse and electric capacity provide concussion, voltage after the output of the negative pole end of the 4th diode D4 is boosted, changes electric capacity and pwm pulse frequency and can change booster voltage.
Water-sensitive on-off circuit 7 as shown in Figure 7, utilize the conduction of water that its equivalence is become to a switch access loop, power supply BVCC is connected to the second triode Q2 emitter, conducting after two tactile utmost points of this circuit touch water, the second triode Q2 emitter and base voltage are greater than and open voltage, the second triode Q2 conducting, obtains output voltage AVCC at the collector of the second triode Q2.This circuit can also be powered and be gathered supply voltage to Bluetooth chip U1, by the first resistance R 1 and the second resistance R 2 by supply voltage dividing potential drop, regulate its resistance by the highest collection reference voltage that is made as of collection place voltage, then the electric weight number percent that just can calculate power supply by the voltage that collects and resistance power consumption.
Claims (10)
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.
2. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that 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.
3. a kind of wireless fish deteclor circuit based on bluetooth according to claim 2, it is characterized in that described voltage conversion circuit comprises the first diode, the second diode, the 3rd diode and the 4th diode, the first described diode, the second diode, the 3rd diode and the 4th diode be 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 the 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.
4. a kind of wireless fish deteclor circuit based on bluetooth according to claim 2, it is characterized in that described filtering circuit comprises the 7th inductance, the first pin of described transducer is connected in analog by the tenth inductance, the second pin of described transducer is successively by the 9th inductance, the 35 electric capacity, the 5th diode, the 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.
5. a kind of wireless fish deteclor circuit based on bluetooth according to claim 2, 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, the 11 resistance, the 13 resistance, the 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 other end of the 13 described resistance is connected with the 16 pin of Bluetooth chip, one end of the 13 resistance is by ground connection after the 32 electric capacity, one end of the 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, the 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, the 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 is passed through the 26 resistance and is 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.
6. a kind of wireless fish deteclor circuit based on bluetooth according to claim 2, 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 other end of the 30 described 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.
7. 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.
8. a kind of wireless fish deteclor circuit based on bluetooth according to claim 7, 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, 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 negative pole end of the positive terminal of the 7th diode and the tenth diode, the positive terminal of the tenth diode is connected with the positive terminal of the 9th diode, the first pin of two described pin sockets is connected with the negative pole end of the 9th diode, the 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.
9. a kind of wireless fish deteclor circuit based on bluetooth according to claim 7, 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 and the output terminal of feed circuit are connected, 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, between the base stage of the second triode and emitter, be connected with the 3rd resistance, 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.
10. a kind of wireless fish deteclor circuit based on bluetooth according to claim 1, it is characterized in that described control circuit comprises that model is Bluetooth chip and the peripheral circuit of CC2540, the 16 pin of described Bluetooth chip is connected with the 17 pin, described peripheral circuit comprises the first light emitting diode, the second light emitting diode, the temperature sensor that the 12 electric capacity and model are DS18B20, the 6th pin of described Bluetooth chip is connected with the second pin of described temperature sensor, the 6th pin of Bluetooth chip is connected with the three-prong of temperature sensor by the 6th resistance, the first pin of temperature sensor is connected to digitally, the three-prong of temperature sensor is connected with direct supply, the 8th pin of described Bluetooth chip is connected to digitally by the 32 resistance and the first light emitting diode, the 15 pin of described Bluetooth chip is connected to digitally by the 33 resistance and the second light emitting diode, the 25 pin of Bluetooth chip is successively by the 8th electric capacity, the 17 electric capacity, the 5th inductance and the 6th inductance are connected to antenna, one end of the 8th described 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, the 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, between the 32 pin of described Bluetooth chip and the 30 three-prong of Bluetooth chip, by crystal oscillator, be connected, the 32 pin of Bluetooth chip connects digitally by the 13 electric capacity, the 30 three-prong of Bluetooth chip connects digitally by the 11 electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103824.7U CN203812030U (en) | 2014-03-07 | 2014-03-07 | Bluetooth-based wireless fish finder circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103824.7U CN203812030U (en) | 2014-03-07 | 2014-03-07 | Bluetooth-based wireless fish finder circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812030U true CN203812030U (en) | 2014-09-03 |
Family
ID=51450759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420103824.7U Withdrawn - After Issue CN203812030U (en) | 2014-03-07 | 2014-03-07 | Bluetooth-based wireless fish finder circuit |
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| Country | Link |
|---|---|
| CN (1) | CN203812030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885360A (en) * | 2014-03-07 | 2014-06-25 | 宁波成电泰克电子信息技术发展有限公司 | Wireless fish finder circuit based on Bluetooth |
-
2014
- 2014-03-07 CN CN201420103824.7U patent/CN203812030U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885360A (en) * | 2014-03-07 | 2014-06-25 | 宁波成电泰克电子信息技术发展有限公司 | Wireless fish finder circuit based on Bluetooth |
| CN103885360B (en) * | 2014-03-07 | 2016-04-20 | 宁波成电泰克电子信息技术发展有限公司 | A kind of wireless fish deteclor circuit based on bluetooth |
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