CN211718721U

CN211718721U - 2.4GHz toy receiving end wireless control circuit

Info

Publication number: CN211718721U
Application number: CN201922344313.XU
Authority: CN
Inventors: 吴亚军; 王骏
Original assignee: Nst Technology Ltd Co ltd
Current assignee: Nst Technology Ltd Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-20
Anticipated expiration: 2029-12-24

Abstract

The utility model provides a 2.4GHz toy receiving terminal wireless control circuit, its circuit precision is high, and internal integration power module, reduces outside power supply input to make the circuit integrated level high. It includes control module, control module connects motor seesaw module and motor left and right sides rotation module, its characterized in that respectively: a first motor driving module and a second motor driving module are respectively arranged between the control module and the motor front-rear movement module and between the control module and the motor left-right rotation module, and the first motor driving module and the control module are respectively supplied with power through a power supply module.

Description

2.4GHz toy receiving end wireless control circuit

Technical Field

The utility model relates to a toy communication control technical field specifically is a 2.4GHz toy receiving terminal wireless control circuit.

Background

The remote control car is a model car which is usually remotely controlled by a 2.4GHz radio remote controller. It may also be suitable for use with children's toy vehicles. Patent publication No. CN207371114U discloses a 2.4GHz wireless toy telecar control circuit among the prior art, because the chip of its control circuit lug connection motor control part control motor motion, then lead to this control circuit overall accuracy poor, and it still needs external 3.3V external power supply and 9V external power supply circuit respectively for circuit structure is complicated.

SUMMERY OF THE UTILITY MODEL

Poor to above-mentioned control circuit precision, the complicated problem of circuit structure, the utility model provides a 2.4GHz toy receiving terminal wireless control circuit, its circuit precision is high, and internal integration power module reduces outside power supply input to make the circuit integrated level high.

The technical scheme is as follows: the utility model provides a 2.4GHz toy receiving terminal wireless control circuit, its includes control module, control module connects motor seesaw module and motor left and right sides rotation module, its characterized in that respectively: a first motor driving module and a second motor driving module are respectively arranged between the control module and the motor front-rear movement module and between the control module and the motor left-right rotation module, and the first motor driving module and the control module are respectively supplied with power through a power supply module;

it is further characterized in that:

the first motor driving module comprises a converter D2, wherein the pin 1 of the converter D2 is connected with one end of an inductor L1, the other end of the inductor L1 is connected with the anode of a diode L2, one end of a resistor R9, the pin 7 of the converter D2 and one end of a resistor R8, the other end of the resistor R9 is connected with the pin 8 of the converter D2, the

pins

2 and 4 of the converter D2 are grounded, the pin 3 of the converter D2 is connected with one end of a resistor C8, the other end of the resistor C8 is grounded, the other end of the resistor R8 is connected with the pin 6 of the converter D2, a 5V power supply and one end of a resistor R2, the pin 5 of the converter D2 is connected with one end of a resistor R2 and one end of a resistor R2, the other end of the resistor R2 is grounded, the resistor R2 is connected with one end of a capacitor C2, one end of a cathode of a diode L2 and the pin 8 of an amplifier D36, the other end of the resistor R7 is connected with one end of a resistor R6, a 6 pin of an amplifier D3 and a 2 pin of the amplifier D3, the other end of the resistor R6 is grounded, a 3 pin of the amplifier D3 is connected with one end of a resistor R4 and the control forward end of the control module, the other end of the resistor R4 is grounded, a 5 pin of the amplifier D3 is connected with one end of a resistor R5 and the control backward end of the control module, the other end of the resistor R5 is grounded, a 4 pin of the amplifier D3 is grounded, and a 1 pin and a 7 pin of the amplifier D3 are respectively connected with the input end of the forward-backward moving module;

the motor back and forth movement module comprises a triode Q1, the collector of the triode Q1 is connected with a power supply VCC and the collector of the triode Q2, the base of the triode Q1 is connected with one end of a resistor R15, the other end of the resistor R15 is connected with one end of a resistor R16 and the 1 pin of an amplifier D3, the other end of the resistor R16 is grounded, the emitter of the triode Q1 is connected with one end of a capacitor C14, the collector of a triode Q4, the cathode of a diode D4 and the 2 pin of a movable J4, the base of the triode Q4 is connected with one end of a resistor R4, the other end of the resistor R4 is grounded, the emitter of the triode Q4 is connected with the other end of the capacitor C4, the 1 pin of the movable J4, the cathode of the diode D4 and the collector of the transistor Q4, the base electrode of the triode Q3 is connected with one end of a resistor R14, the other end of the resistor R14 is connected with a pin 1 of an amplifier D3, the emitting electrode of the triode Q4 is connected with the anode of a diode D4, the anode of a diode D5, one end of a resistor R20 and the emitting electrode of the triode Q3, and the other end of the resistor R20 is connected with the input end of a jamming detection module;

the control module comprises a 2.4G TXRX2i main control chip U1, wherein a pin 1 of the main control chip U1 is connected with one end of a resistor R19 and one end of a capacitor C11, the other end of the resistor R19 is connected with one end of a capacitor C10 and an antenna, the other ends of the capacitor C10 and the capacitor C11 are grounded,

pins

13 and 14 of the main control chip U1 are respectively connected with two ends of a crystal oscillator Y1,

pins

6, 7, 9 and 10 of the main control chip U1 are respectively connected with the first motor driving module and the second motor driving module and send left-turning, right-turning, forward or backward signals,

pins

3 and 5 of the main control chip U1 are connected with a 3.3V power supply, one end of a capacitor C12 and one end of a capacitor C13, the other end of the capacitor C12 and the other end of the capacitor C13 are grounded, a pin 15 of the main control chip U1 is connected with one end of a capacitor C9, the other end of the capacitor C9 is connected with a pin of, the 11-pin of the main control chip U1 is connected with one end of a resistor R18, the other end of the resistor R18 is connected with the anode of an indicator light diode LR, and the cathode of the diode LR is grounded;

the power supply module comprises a voltage stabilizer U3, an input pin of the voltage stabilizer U3 is connected with one end of a capacitor C4, one end of a capacitor C5 and one end of a single-pole double-throw switch S1, the other end of the single-pole double-throw switch S1 is connected with a power supply VCC, an output pin of the voltage stabilizer U3 outputs a 5V power supply voltage and is connected with one end of a capacitor C3 and an input pin of a voltage stabilizer U2, an output pin of the voltage stabilizer U2 outputs a 3.3V power supply voltage and is connected with one end of a capacitor C2 and one end of a capacitor C1, the other end of the capacitor C5, the other end of the capacitor C4, a grounding pin of a voltage stabilizer U3, the other end of a capacitor C3;

the second motor driving module comprises an MX612 driving chip D1, wherein a 5 pin of the driving chip D1 is connected with a 1 pin of a left-right rotating motor J1 and one end of a capacitor C15, a 6 pin and a 7 pin of the driving chip D1 are connected and then grounded, a 4 pin of the driving chip D1 is connected with a power supply VCC, a 2 pin and a 3 pin of the driving chip D1 are respectively connected with a 6 pin and a 7 pin of the control chip U1, and an 8 pin of the driving chip D1 is connected with the other end of a capacitor C15 and a 1 pin of a left-right rotating motor J1;

the motor back-and-forth movement detection device is characterized in that a blocking detection module is further arranged between the control module and the motor back-and-forth movement module and comprises a triode Q5, the base of the triode Q5 is connected with one end of a resistor R2 and one end of a resistor R3, the other end of the resistor R2 receives a blocking signal of the back-and-forth movement module, one end of a collector resistor R1 of the triode Q5 is connected with the control module to output the blocking signal, the other end of the resistor R1 is connected with a 3.3V power supply, and the other end of the resistor R3 is grounded.

After the structure is adopted, the first motor driving module and the second motor driving module are respectively arranged between the control module and the motor front-rear movement module and between the control module and the motor left-right rotation module, the input weak current signals are amplified to be strong enough and are suitable for strong current signals of the motor front-rear movement module and the motor left-right rotation module, so that the circuit is high in control precision, the power supply module is further arranged in the circuit to supply power for the control module and the first driving module, the external power supply input is reduced, and the circuit integration degree is high.

Drawings

FIG. 1 is a control schematic diagram of the present invention;

fig. 2 is a schematic circuit diagram of a first motor driving module according to the present invention;

fig. 3 is a schematic circuit diagram of the control module of the present invention;

fig. 4 is a circuit schematic diagram of the motor back-and-forth movement module of the present invention;

fig. 5 is a schematic circuit diagram of the power supply module of the present invention;

fig. 6 is a schematic circuit diagram of the connection between the second motor driving module and the left-right rotating motor module of the present invention;

fig. 7 is a schematic circuit diagram of the dead detection module of card of the present invention.

Detailed Description

As shown in figure 1, a 2.4GHz toy receiving end wireless control circuit comprises a control module 1, wherein the control module 1 is respectively connected with a first driving module 2 and a second driving module 4, the second driving module 2 is connected with a motor front-rear movement module 3, the second driving module 4 is connected with a motor left-right rotation module 5, and the control module 1 and the first motor driving module 2 are respectively supplied with power through a power supply module 7.

As shown in fig. 2, the first motor driving module 2 includes a converter D2, a pin 1 of the converter D2 is connected to one end of an inductor L1, the other end of the inductor L1 is connected to an anode of a diode L1, one end of a resistor R1, a pin 7 of the converter D1 and one end of a resistor R1, the other end of the resistor R1 is connected to an pin 8 of the converter D1,

pins

2 and 4 of the converter D1 are grounded, a pin 3 of the converter D1 is connected to one end of a resistor C1, the other end of the resistor C1 is grounded, the other end of the resistor R1 is connected to the ground, the other end of the resistor R1 is connected to the pin 6 of the converter D1, a 5V power supply and one end of the resistor R1, the other end of the converter D1 is connected to one end of the resistor R1 and the other end of the resistor R1, the resistor R1 is connected to the ground, the one end of the capacitor C1, the cathode of the diode L1 and the pin 8 of the amplifier D1, the other end of the, the other end of the resistor R6 is grounded, the 3 pin of the amplifier D3 is connected with one end of the resistor R4 and the control forward end of the control module, the other end of the resistor R4 is grounded, the 5 pin of the amplifier D3 is connected with one end of the resistor R5 and the control backward end of the control module, the other end of the resistor R5 is grounded, the 4 pin of the amplifier D3 is grounded, and the 1 pin and the 7 pin of the amplifier D3 are respectively connected with the input end of the motor forward and backward movement module 3.

As shown in fig. 3, the control module 3 includes a 2.4G TXRX2i main control chip U1, a 1 pin of the main control chip U1 is connected with one end of a resistor R19 and one end of a capacitor C11, the other end of the resistor R19 is connected with one end of a capacitor C10 and an antenna, the other end of a capacitor C10 and the other end of a capacitor C11 are grounded,

pins

6, 7, 9 and 10 pins of the main control chip U1 are respectively connected with the first motor drive module 2 and the second motor drive module 4 and send left-turn, right-turn, forward or backward signals,

pins

3 and 5 of the main control chip U1 are connected with a 3.3V power supply, one end of the capacitor C12 and one end of a capacitor C13, the other end of the capacitor C12 and the other end of the capacitor C13 are grounded, a 15 pin of the main control chip U1 is connected with one end of the capacitor C9, the other end of the capacitor, the other end of the resistor R18 is connected with the anode of the indicator light diode LR, and the cathode of the diode LR is grounded.

As shown in fig. 4, the motor back-and-forth movement module 3 includes a transistor Q1, a collector of the transistor Q1 is connected to the power VCC and a collector of the transistor Q2, a base of the transistor Q1 is connected to one end of a resistor R15, the other end of a resistor R15 is connected to one end of a resistor R16 and a 1 pin of an amplifier D3, the other end of the resistor R16 is grounded, an emitter of the transistor Q1 is connected to one end of a capacitor C14, a collector of the transistor Q4, a cathode of a diode D4 and a 2 pin of a back-and-forth movement motor J4, a base of the transistor Q4 is connected to one end of a resistor R4, the other end of the resistor R4 is connected to a 7 pin of the amplifier D4, a base of the transistor Q4 is connected to one end of the resistor R4, the other end of the resistor R4 is grounded, an emitter of the transistor Q4 is connected to the other end of the capacitor C4, a 1 pin of the, the base electrode of the triode Q3 is connected with one end of the resistor R14, the other end of the resistor R14 is connected with the pin 1 of the amplifier D3, the emitter electrode of the triode Q4 is connected with the anode of the diode D4, the anode of the diode D5, one end of the resistor R20 and the emitter electrode of the triode Q3, and the other end of the resistor R20 is connected with the input end of the jam detection module 6.

As shown in fig. 5, the power supply module 7 includes a voltage regulator U3, an input pin of the voltage regulator U3 is connected to one end of a capacitor C4, one end of a capacitor C5 and one end of a single-pole double-throw switch S1, the other end of the single-pole double-throw switch S1 is connected to the power VCC, an output pin of the voltage regulator U3 outputs a 5V power voltage and is connected to one end of a capacitor C3, an input pin of the voltage regulator U2, an output pin of the voltage regulator U2 outputs a 3.3V power voltage and is connected to one end of a capacitor C2 and one end of a capacitor C1, the other end of a capacitor C5, the other end of a capacitor C4, a ground pin of the voltage regulator U3, the other end of a.

As shown in fig. 6, the second motor driving module includes an MX612 driving chip D1, a 5 pin of the driving chip D1 is connected to a 1 pin of the left and right rotation motor J1 and one end of the capacitor C15, a 6 pin and a 7 pin of the driving chip D1 are connected and then grounded, a 4 pin of the driving chip D1 is connected to the VCC, a 2 pin and a 3 pin of the driving chip D1 are respectively connected to a 6 pin and a 7 pin of the control chip U1, and an 8 pin of the driving chip D1 is connected to the other end of the capacitor C15 and a 1 pin of the left and right rotation motor J1.

As shown in fig. 7, the deadlock detection module 6 includes a transistor Q5, a base of the transistor Q5 is connected to one end of a resistor R2 and one end of a resistor R3, the other end of the resistor R2 is connected to the other end of a resistor R20, a collector of the transistor Q5 is connected to one end of a resistor R1 and connected to the 4-pin of the control chip U1, the other end of the resistor R1 is connected to a 3.3V power supply, and the other end of the resistor R3 is grounded.

The specific working principle is as follows: this device is applied to toy car's wireless control, through at control module 1 and front and back motor motion module 3, control module 1 sets up first motor drive module 2 and second motor drive module 3 respectively with controlling between motor rotation module 5, thereby send to motor motion module 3 around and respectively after the signal reinforcing that control module 1 sent and control motor rotation module 5, make whole circuit signal intensity reinforcing, the control circuit precision is high, and its inside power module 7 that still is equipped with, this power module 7 exports 5V power respectively, 3.3V power and supplies power for the circuit. The circuit further comprises a blocking detection module 6, the blocking detection module 6 is connected with the control module 1 and the motor front-back movement module 3, and when the motor front-back movement is blocked by the blocking detection module 6, the control module 1 controls the motor to restart.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a 2.4GHz toy receiving terminal wireless control circuit, its includes control module, control module connects motor seesaw module and motor left and right sides rotation module, its characterized in that respectively: a first motor driving module and a second motor driving module are respectively arranged between the control module and the motor front-rear movement module and between the control module and the motor left-right rotation module, and the first motor driving module and the control module are respectively supplied with power through a power supply module.

2. The 2.4GHz toy receiving end wireless control circuit of claim 1, characterized in that: the first motor driving module comprises a converter D2, wherein the pin 1 of the converter D2 is connected with one end of an inductor L1, the other end of the inductor L1 is connected with the anode of a diode L2, one end of a resistor R9, the pin 7 of the converter D2 and one end of a resistor R8, the other end of the resistor R9 is connected with the pin 8 of the converter D2, the pins 2 and 4 of the converter D2 are grounded, the pin 3 of the converter D2 is connected with one end of a resistor C8, the other end of the resistor C8 is grounded, the other end of the resistor R8 is connected with the pin 6 of the converter D2, a 5V power supply and one end of a resistor R2, the pin 5 of the converter D2 is connected with one end of a resistor R2 and one end of a resistor R2, the other end of the resistor R2 is grounded, the resistor R2 is connected with one end of a capacitor C2, one end of a cathode of a diode L2 and the pin 8 of an amplifier D36, the other end of the resistor R7 is connected with one end of a resistor R6, a 6 pin of an amplifier D3 and a 2 pin of the amplifier D3, the other end of the resistor R6 is grounded, a 3 pin of the amplifier D3 is connected with one end of a resistor R4 and the control forward end of the control module, the other end of the resistor R4 is grounded, a 5 pin of the amplifier D3 is connected with one end of a resistor R5 and the control backward end of the control module, the other end of the resistor R5 is grounded, a 4 pin of the amplifier D3 is grounded, and a 1 pin and a 7 pin of the amplifier D3 are respectively connected with the input end of the forward-backward movement module.

3. The 2.4GHz toy receiving end wireless control circuit of claim 2, characterized in that: the motor back and forth movement module comprises a triode Q1, the collector of the triode Q1 is connected with a power supply VCC and the collector of the triode Q2, the base of the triode Q1 is connected with one end of a resistor R15, the other end of the resistor R15 is connected with one end of a resistor R16 and the 1 pin of an amplifier D3, the other end of the resistor R16 is grounded, the emitter of the triode Q1 is connected with one end of a capacitor C14, the collector of a triode Q4, the cathode of a diode D4 and the 2 pin of a movable J4, the base of the triode Q4 is connected with one end of a resistor R4, the other end of the resistor R4 is grounded, the emitter of the triode Q4 is connected with the other end of the capacitor C4, the 1 pin of the movable J4, the cathode of the diode D4 and the collector of the transistor Q4, the base electrode of the triode Q3 is connected with one end of a resistor R14, the other end of the resistor R14 is connected with a pin 1 of an amplifier D3, the emitting electrode of the triode Q4 is connected with the anode of a diode D4, the anode of a diode D5, one end of a resistor R20 and the emitting electrode of the triode Q3, and the other end of the resistor R20 is connected with the input end of the jamming detection module.

4. The 2.4GHz toy receiving end wireless control circuit of claim 3, characterized in that: the control module comprises a 2.4G TXRX2i main control chip U1, wherein a pin 1 of the main control chip U1 is connected with one end of a resistor R19 and one end of a capacitor C11, the other end of the resistor R19 is connected with one end of a capacitor C10 and an antenna, the other ends of the capacitor C10 and the capacitor C11 are grounded, pins 13 and 14 of the main control chip U1 are respectively connected with two ends of a crystal oscillator Y1, pins 6, 7, 9 and 10 of the main control chip U1 are respectively connected with the first motor driving module and the second motor driving module and send left-turning, right-turning, forward or backward signals, pins 3 and 5 of the main control chip U1 are connected with a 3.3V power supply, one end of a capacitor C12 and one end of a capacitor C13, the other end of the capacitor C12 and the other end of the capacitor C13 are grounded, a pin 15 of the main control chip U1 is connected with one end of a capacitor C9, the other end of the capacitor C9 is connected with a pin of, the 11-pin of the main control chip U1 is connected with one end of a resistor R18, the other end of the resistor R18 is connected with the anode of an indicator light diode LR, and the cathode of the diode LR is grounded.

5. The 2.4GHz toy receiving end wireless control circuit of claim 4, characterized in that: the power supply module comprises a voltage stabilizer U3, an input pin of the voltage stabilizer U3 is connected with one end of a capacitor C4, one end of a capacitor C5 and one end of a single-pole double-throw switch S1, the other end of the single-pole double-throw switch S1 is connected with a power supply VCC, an output pin of the voltage stabilizer U3 outputs a 5V power supply voltage and is connected with one end of a capacitor C3 and an input pin of a voltage stabilizer U2, an output pin of the voltage stabilizer U2 outputs a 3.3V power supply voltage and is connected with one end of a capacitor C2 and one end of a capacitor C1, and the other end of the capacitor C5, the other end of the capacitor C4, the ground pin of the voltage stabilizer U3, the other end of the capacitor C3.

6. The 2.4GHz toy receiving end wireless control circuit of claim 5, characterized in that: the second motor drive module includes MX612 driver chip D1, 5 pin connection of driver chip D1 is controlled and is rotated 1 pin and electric capacity C15 one end of motor J1, 6 pins and 7 pins of driver chip D1 link to each other the back ground connection, 4 pins connection power VCC of driver chip D1, 2 pins and 3 pins of driver chip D1 are connected respectively 6 pins and 7 pins of main control chip U1, 8 pins connection electric capacity C15 other ends of driver chip D1 and the 1 pin of controlling rotation motor J1.

7. The 2.4GHz toy receiving end wireless control circuit of any one of claims 1-6, wherein: the motor back-and-forth movement detection device is characterized in that a blocking detection module is further arranged between the control module and the motor back-and-forth movement module and comprises a triode Q5, the base of the triode Q5 is connected with one end of a resistor R2 and one end of a resistor R3, the other end of the resistor R2 receives a blocking signal of the back-and-forth movement module, one end of a collector resistor R1 of the triode Q5 is connected with the control module to output the blocking signal, the other end of the resistor R1 is connected with a 3.3V power supply, and the other end of the resistor R3 is grounded.