WO2014026430A1

WO2014026430A1 - Doll circuit and doll

Info

Publication number: WO2014026430A1
Application number: PCT/CN2012/083031
Authority: WO
Inventors: 黄德宝; 黄道燊
Original assignee: 玛皓玩具（深圳）有限公司; 德美玩具眼珠制品厂有限公司
Priority date: 2012-08-15
Filing date: 2012-10-16
Publication date: 2014-02-20
Also published as: CN202751795U

Abstract

A doll circuit and a doll are provided. The doll circuit comprises a bluetooth receiving circuit, an audio amplifying circuit and a motor. The bluetooth receiving circuit includes an audio output port connected with the input port of the audio amplifying circuit. The output port of the audio amplifying circuit is connected with the motor to drive the motor. The children's interest in playing dolls would be aroused because the bluetooth receiving circuit is adopted to receive audio and drive the motor. Furthermore, the motor is isolated from a loudspeaker by an AC coupling circuit and therefore the doll circuit has the functions of driving the motor by audio and audio playing at the same time.

Description

Doll circuit and doll

[Technical Field]

The invention relates to a doll circuit and a doll.

【Background technique】

The dolls of the prior art often achieve the purpose of controlling the doll by controlling the switches provided on the dolls. In some cases, children can't feel a lot of fun when playing with dolls.

[Summary of the Invention]

In order to overcome the deficiencies of the prior art, the present invention provides a doll circuit to enhance the fun of playing a doll. In addition, the present invention also provides a doll using the above doll circuit.

A doll circuit includes a Bluetooth receiving circuit, an audio amplifying circuit and a motor, the Bluetooth receiving circuit includes an audio output port, the audio output port is connected to an input port of the audio amplifying circuit, and an output port and a motor of the audio amplifying circuit Connect to drive the motor.

Preferably, the method further includes a speaker, an AC coupling circuit, and an amplifying circuit, wherein an output of the audio amplifying circuit is connected to the speaker, and an output port of the audio amplifying circuit is sequentially connected to the motor through an AC coupling circuit and an amplification circuit.

Preferably, the audio amplifying circuit comprises a positive audio output terminal and a negative audio output terminal, the AC coupling circuit comprises a fourth capacitor, and the amplifying circuit comprises a third triode, a fourth triode, and a fifth triode a tube, a sixth triode, the third triode, the fourth triode, and the sixth triode are NPN transistors, the fifth triode is a PNP triode, and the positive audio output end passes The fourth capacitor is connected to the base of the third transistor, the collector and the emitter of the third transistor are respectively connected to the positive input end of the motor and the ground, and the fifth resistor is connected across the base of the third transistor Between the pole and the collector, the anode and the cathode of the first diode are respectively connected to the collector of the third transistor and the base of the fourth transistor, and the collector of the fourth transistor The emitters are respectively connected to the positive input end of the motor and the ground, the collector of the fourth triode is connected to the base of the fifth triode, and the emitter and collector of the fifth triode are respectively positive with the motor The input end is connected to the base of the sixth triode, and the collector and the emitter of the sixth triode are respectively And a negative input terminal connected to the motor.

Preferably, the audio amplifying circuit further includes a fifth capacitor and an eighth resistor, the fifth capacitor is connected between the cathode of the first diode and the ground, and the eighth resistor is connected across the fourth three poles Between the base of the tube and the ground.

Preferably, the audio amplifying circuit further includes a sixth capacitor connected across the collector of the fifth transistor and the ground.

Preferably, the method further includes a first inductor, a second inductor, a third inductor, a first filter capacitor, and a second filter capacitor, wherein the first inductor and the second inductor are sequentially connected in series with the collector and the motor of the sixth triode Between the negative input terminals, the third inductor is connected between the collector of the third transistor and the positive input terminal of the motor, and the first filter capacitor is connected across the collector of the third transistor and the first Between the inductor and the common end of the second inductor, the second filter capacitor is connected across the collector of the third transistor and ground. Preferably, the method further includes a coil circuit, the coil circuit includes a coil, a microprocessor, a first switch tube and a second switch tube, the microprocessor includes a square wave output port, and the power source passes through the second switch tube, the coil, and the A switch tube is grounded, and the square wave output port is used for controlling the on and off of the second switch tube, and the common ends of the first inductor and the second inductor are used for controlling the on and off of the first switch tube.

A doll employing the doll circuit, the motor being a motor that drives the overall or partial motion of the doll.

Preferably, the doll comprises a rotatable doll eye, the doll eye is provided with a magnet, and the coil is used to generate a magnetic field having a magnetic force to the magnet to rotate the doll's eye.

The invention has the beneficial effects that: by adopting the Bluetooth receiving circuit to receive and drive the motor to the audio, the motor control is realized, thereby improving the interest of the child when playing the doll; and the AC coupling circuit is used to isolate the motor from the speaker. This allows the circuit to simultaneously implement the functions of the audio drive motor and audio playback.

[Description of the Drawings]

1 is a circuit block diagram of a doll circuit in accordance with an embodiment of the present invention;

2 is a circuit block diagram of a doll circuit in accordance with another embodiment of the present invention;

3 is a circuit block diagram of a doll circuit in accordance with another embodiment of the present invention;

4 is a circuit diagram of an amplifying circuit of an embodiment of the present invention;

Figure 5 is a circuit block diagram of a coil circuit of an embodiment of the present invention.

【detailed description】

Specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 , a doll circuit of an embodiment includes a Bluetooth receiving circuit, an audio amplifying circuit and a motor. The Bluetooth receiving circuit includes an audio output port, and the audio output port is connected to an input port of the audio amplifying circuit, and the output of the audio amplifying circuit is The port is connected to the motor, and the Bluetooth transmitting circuit (for example, the Bluetooth transmitting circuit on the mobile phone) is matched with the Bluetooth receiving circuit, the Bluetooth transmitting circuit sends the audio to the Bluetooth receiving circuit, the Bluetooth receiving circuit receives the audio and decodes the decoded audio data through the audio. After the amplification circuit is amplified, a sufficient voltage is generated to drive the motor to rotate, and since the amplitude of the audio signal is large or small, the voltage of the drive motor also changes, so that the rotation of the motor also moves faster or slower. When the motor is responsible for driving the entire body or part of the doll, the doll can swing the corresponding part, so that the mobile phone or other device with a Bluetooth transmitting circuit can control the doll by playing audio to realize the interaction between the person and the doll.

As shown in FIG. 2 and FIG. 3, the doll circuit of another embodiment further includes a speaker, an AC coupling circuit, an amplifying circuit, and an output port of the audio amplifying circuit is connected to the speaker, and the audio amplifying circuit is compared with the previous embodiment. The positive audio output terminal Sp+ and the negative audio output terminal Sp- are respectively connected to the positive input terminal and the negative input terminal of the speaker, and the positive output terminal of the audio amplifying circuit is sequentially connected to the motor through the AC coupling circuit and the amplifying circuit. The analog audio signal output by the audio amplifying circuit can be played through the speaker, and the output of the audio amplifying circuit is simultaneously connected with the AC coupling circuit, so that the electromagnetic interference generated when the motor works does not affect the audio signal of the input speaker, and the AC coupling circuit The AC signal of the audio signal is extracted from the audio signal outputted by the audio amplifying circuit. After being amplified again, the amplifying circuit generates a voltage large enough to drive the motor. Due to the existence of the AC coupling circuit, the rotation speed of the motor can still follow the audio. The magnitude of the signal changes accordingly . The AC coupling circuit includes a fourth capacitor C4, and the amplifying circuit includes a third transistor Q3, a fourth transistor Q4, a fifth transistor Q5, a sixth transistor Q6, a third transistor Q3, and a fourth three The pole tube Q4 and the sixth transistor Q6 are NPN transistors, the fifth transistor Q5 is a PNP transistor, and the positive audio output terminal Sp+ is connected to the base of the third transistor Q3 through the fourth capacitor C4, the third three poles The collector and the emitter of the tube Q3 are respectively connected to the positive input terminal of the motor M and the ground, and the fifth resistor R5 is connected between the base and the collector of the third transistor Q3, the first diode The positive and negative poles of the tube D1 are respectively connected to the collector of the third transistor Q3 and the base of the fourth transistor Q4, and the collector and the emitter of the fourth transistor Q4 are respectively input to the M of the motor. The terminal is connected to the ground, the collector of the fourth transistor Q4 is connected to the base of the fifth transistor Q5, and the emitter and collector of the fifth transistor Q5 are respectively connected to the positive input terminal of the motor M and The base of the six transistor Q6 is connected, and the collector and the emitter of the sixth transistor Q6 are respectively connected to the negative input terminal of the motor M and the ground.

The audio amplifying circuit further includes a fifth capacitor C5 and an eighth resistor R8. The fifth capacitor C5 is connected between the cathode of the first diode D1 and the ground, and the eighth resistor R8 is connected to the fourth The base of the transistor Q4 is grounded to ground so that the signal input to the base of the fourth transistor Q4 can be filtered.

The audio amplifying circuit further includes a sixth capacitor C6 connected across the collector of the fifth transistor Q5 and the ground.

The first inductor L1, the second inductor L2, the third inductor L3, the first filter capacitor EC1, and the second filter capacitor EC2 are further connected in series, and the first inductor L1 and the second inductor L2 are sequentially connected in series to the sixth transistor Q6. Between the collector and the negative input of the motor M, the third inductor L3 is connected in series between the collector of the third transistor Q3 and the positive input of the motor M, and the first filter capacitor EC1 is connected across the Between the collector of the triode Q3 and the common terminal of the first inductor L1 and the second inductor L2, the second filter capacitor EC2 is bridged between the collector of the third transistor Q3 and the ground.

The fourth resistor R4, the sixth resistor R6, the seventh resistor R7, the ninth resistor R9, and the eleventh resistor R11 can all function as current limiting.

As shown in FIG. 5, the doll circuit of another embodiment further includes a coil circuit including a first coil 11, a second coil 12, a microprocessor, and a first switch, compared with the previous embodiment. The tube Q1 and the second switch tube Q2, the microprocessor includes a square wave output port, and the power source Vcc is grounded through the second switch tube Q2, the first coil 11 and the first switch tube Q1, and the first coil 11 and the second coil 12 In parallel, the first capacitor C1 and the second capacitor C2 are connected in parallel at the two ends of the first coil 11, the square wave output port is used for controlling the on and off of the second switch tube Q2, the first inductor L1 and the second inductor L2 The common end is used to control the on and off of the first switching transistor Q1. When the audio signal is large enough, when the motor rotates, the P1 terminal is high, and the first switch Q1 is turned on. When the square wave output port outputs a high level, the second switch tube Q2 is turned on, and when the level is low, the second switch tube Q2 is turned on. It is turned off, so that the first coil 11 and the second coil 12 are energized intermittently, generating an intermittent magnetic field.

The doll includes a rotatable doll eyeball, the doll eyeball is provided with a rotating shaft, and the doll eyelid has a bearing matched with the rotating shaft on both sides thereof, and the rotating shaft is installed in the bearing, so that the doll eyeball can be rotated around the rotating shaft, the doll eyeball a magnet is provided, and the first coil 11 is disposed on the magnet side of one of the doll's eyes. When the first coil 11 is energized, a magnetic field is generated on the magnet to generate a magnetic attraction force (or a magnetic repulsive force) to the magnet. As the doll's eyeball rotates, when the first coil 11 is powered off, the doll's eyeball rotates back again, and the square wave output of the square wave output port realizes the effect of the doll's eyeball rotation. The second coil 12 is disposed on the side of the other doll's eye, and the working principle is similar to that of the first coil 11.

Claims

Rights 4 Demand Form

1. A doll circuit, characterized by: including a Bluetooth receiving circuit, an audio amplifying circuit and a motor, the Bluetooth receiving circuit including an audio output port, the audio output port being connected to the input port of the audio amplifying circuit, the audio amplifying circuit The output port of the circuit is connected to the motor to drive the motor.

2. The doll circuit according to claim 1, characterized by: further comprising a speaker, an AC coupling circuit, and an amplifying circuit, the output port of the audio amplifying circuit being connected to the speaker, and the output port of the audio amplifying circuit being connected in sequence. Connected to the motor through AC coupling circuit and amplifier circuit.

3. The doll circuit according to claim 2, characterized in that: the audio amplifier circuit includes a positive audio output terminal and a negative audio output terminal, the AC coupling circuit includes a fourth capacitor, and the amplifier circuit includes a third third capacitor. triode, the fourth triode, the fifth triode, the sixth triode, the third triode, the fourth triode and the sixth triode are NPN triodes, the fifth triode The tube is a PNP triode. The positive audio output terminal is connected to the base of the third triode through the fourth capacitor. The collector and emitter of the third triode are respectively connected to the positive input terminal of the motor and ground. The fifth The resistor is connected across the base and collector of the third triode, and the anode and cathode of the first diode are connected to the collector of the third triode and the base of the fourth triode respectively. connection, the collector and emitter of the fourth triode are connected to the positive input terminal of the motor and ground respectively, the collector of the fourth triode is connected to the base of the fifth triode, and the fifth triode The emitter and collector of the transistor are respectively connected to the positive input terminal of the motor and the base of the sixth triode, and the collector and emitter of the sixth triode are respectively connected to the negative input terminal of the motor and ground.

4. The doll circuit according to claim 3, characterized in that: the audio amplifier circuit further includes a fifth capacitor and an eighth resistor, the fifth capacitor is connected across the cathode of the first diode and ground. , the eighth resistor is connected across the base of the fourth transistor and ground.

5. The doll circuit according to claim 3, characterized in that: the audio amplifier circuit further includes a sixth capacitor, and the sixth capacitor is connected across the collector of the fifth transistor and ground.

6. The doll circuit of claim 5, further comprising: a first inductor, a second inductor, a third inductor, a first filter capacitor, and a second filter capacitor, and the first inductor and the second inductor are sequentially The third inductor is connected in series between the collector of the sixth triode and the negative input terminal of the motor. The third inductor is connected in series between the collector of the third triode and the positive input terminal of the motor. The first filter capacitor spans The second filter capacitor is connected between the collector of the third triode and the common terminal of the first inductor and the second inductor, and the second filter capacitor is connected across the collector of the third triode and ground.

7. The doll circuit according to claim 6, characterized by: further comprising a coil circuit, the coil circuit includes a coil, a microprocessor, a first switch tube and a second switch tube, the microprocessor includes a square wave Output port, the power supply is grounded through the second switch tube, the coil and the first switch tube, the square wave output port is used to control the on and off of the second switch tube, and the common terminal of the first inductor and the second inductor is used to control The first switching tube is on and off.

8. A doll using the doll circuit according to any one of claims 1 to 7, characterized in that: the motor is a motor that drives the overall or partial movement of the doll.

9. The doll according to claim 8, characterized in that: the doll includes rotatable doll eyes, magnets are provided on the doll eyes, and the coil is used to generate a magnetic field with magnetic force on the magnet. The doll's eyes rolled.