CN109903540A - A model aircraft remote control system - Google Patents

Abstract

A kind of model airplane remote control system, belongs to remote control equipment field.Mainly it is made of crystal oscillator, high-frequency circuit, transmitting antenna, power supply, control stick, variable potentiometer, encoder, switching circuit, frequency selection circuit, receiving antenna, steering engine, decoding circuit and amplifying circuit, it is characterized by: control stick is connect with variable potentiometer, and variable potentiometer is connect with signal generator and encoder, signal caused by encoder is mounted on high-frequency circuit by switching circuit, frequency of oscillation is generated by crystal oscillator, is finally sent by transmitting transmitting antenna.Receiving antenna is connect with frequency selection circuit, frequency selection circuit is connected with crystal oscillator and amplifying circuit, and frequency selection circuit selects the signal to match and is transmitted to amplifying circuit, and amplifying circuit is connect with decoding circuit, signal is realized the conversion of signal by decoding circuit again after being amplified, decoding circuit is connect with steering engine again.

Description

A model aircraft remote control system

technical field

The invention relates to a model aircraft remote control system, which belongs to the field of remote control equipment.

Background technique

The model aircraft remote control system includes a model aircraft transmitter and a model aircraft receiver. The transmitter is used to control the car model or the ship model. Since it has a long transmitting antenna outside, the remote control commands are all through the control switches and buttons outside the casing. The modulation and coding of the internal circuit, and then the electromagnetic wave is emitted by the transmitting antenna through the high-frequency signal amplifying circuit. The remote control receiver is installed on the car model or ship model to receive radio signals. It processes the radio signal from the remote control transmitter, amplifies, shapes and decodes the received signal, and converts the received control signal into an audio signal or digital pulse signal that the executive circuit can recognize, and transmits it to the model aircraft. other electronic components. However, the current model aircraft remote control system is unstable, so there is an urgent need to develop a model aircraft remote control system.

SUMMARY OF THE INVENTION

In view of the above deficiencies, the present invention provides a model aircraft remote control system.

The invention is realized by the following technical solutions: a model aircraft remote control system mainly consists of a crystal oscillator, a high-frequency circuit, a transmitting antenna, a power supply, a joystick, a variable potentiometer, an encoder, a switch circuit, and a frequency selection circuit It is composed of a receiving antenna, a steering gear, a decoding circuit and an amplifying circuit. It is characterized in that the joystick is connected with the variable potentiometer, and the variable potentiometer is connected with the signal generator and the encoder. The signal is carried on the high-frequency circuit through the switch circuit, the oscillation frequency is generated by the crystal oscillator, and finally sent out by the transmitting and transmitting antenna. The receiving antenna is connected with the frequency selection circuit, the frequency selection circuit is connected with the crystal oscillator and the amplifier circuit, the frequency selection circuit selects the matching signal and transmits it to the amplifier circuit, the amplifier circuit is connected with the decoding circuit, and the signal is amplified and then converted by the decoding circuit. The code circuit realizes the conversion of the signal, and the decoding circuit is connected with the steering gear.

The encoder can realize the conversion of analog signal to digital signal.

The decoding circuit can realize the conversion of digital signal to analog signal.

The advantages of the invention are: the operator's operation can be quickly and effectively transmitted through the transmitter to achieve precise control, minimize the interference of other signals, and can accurately receive the matching signal, and make the received signal It is quickly and effectively transmitted to the steering gear to achieve precise control and reduce the interference of other signals.

Description of drawings

Fig. 1 is the system structure diagram of the transmitter of the present invention; Fig. 2 is the system structure diagram of the receiver of the present invention;

In the figure, 1. Crystal oscillator, 2. High frequency circuit, 3. Transmitting antenna, 4. Power supply, 5. Joystick, 6. Variable potentiometer, 7. Encoder, 8. Switch circuit, 9. Selection Frequency circuit, 10. Receiving antenna, 11. Steering gear, 12. Decoding circuit, 13. Amplifying circuit.

Detailed ways

An aircraft model remote control system is mainly composed of a crystal oscillator 1, a high-frequency circuit 2, a transmitting antenna 3, a power supply 4, a joystick 5, a variable potentiometer 6, an encoder 7, a switch circuit 8, a frequency selection circuit 9, The receiving antenna 10, the steering gear 11, the decoding circuit 12 and the amplifying circuit 13 are composed, and it is characterized in that: the joystick 5 is connected with the variable potentiometer 6, and the variable potentiometer 6 is connected with the signal generator and the encoder. 7 is connected, the signal generated by the encoder 7 is carried on the high-frequency circuit 2 through the switch circuit 8, the oscillation frequency is generated by the crystal oscillator 1, and finally sent out by the transmitting antenna 3. The receiving antenna 10 is connected to the frequency selection circuit 9, the frequency selection circuit 9 is connected to the crystal oscillator 1 and the amplifier circuit 13, the frequency selection circuit 9 selects the matched signal and transmits it to the amplifier circuit 13, and the amplifier circuit 13 and the decoding circuit 12 After the signal is amplified, the signal is converted by the decoding circuit 12 , and the decoding circuit 12 is then connected to the steering gear 11 .

The encoder 7 can realize the conversion of analog signals to digital signals.

The decoding circuit 12 can realize the conversion of digital signals to analog signals.

When the device is working, the operator operates the joystick 5 to change the voltage of the variable potentiometer 6, and the variable potentiometer 6 is connected with the signal generating circuit, so that the signal generating circuit generates a changed voltage signal, and the signal generating circuit Connected with the encoder 7, the changed voltage signal is converted into a digital signal through the encoder 7, and the digital signal generated by the encoder 7 is then mounted on the high-frequency circuit 2 through the switch circuit 8 and sent out by the transmitting antenna 3 to realize the transmission of the signal, The pulse signal from the receiving amplifying circuit 13 can be independently extracted from the operating signal of the joystick 5 sent by the transmitter after passing through the decoding circuit 12, and distributed to different decoding address output ports.

For those of ordinary skill in the art, according to the teachings of the present invention, without departing from the principle and spirit of the present invention, changes, modifications, substitutions and alterations to the embodiments still fall within the protection scope of the present invention within.

Claims (3)

1. A model aircraft remote control system is mainly composed of a crystal oscillator, a high-frequency circuit, a transmitting antenna, a power supply, a joystick, a variable potentiometer, an encoder, a switch circuit, a frequency selection circuit, a receiving antenna, a steering gear, a translation It is composed of a code circuit and an amplifier circuit, and is characterized in that: the joystick is connected with the variable potentiometer, and the variable potentiometer is connected with the signal generator and the encoder, and the signal generated by the encoder is carried on the high-speed switch circuit through the switch circuit. On the frequency circuit, the oscillation frequency is generated by the crystal oscillator, and finally sent out by the transmitting and transmitting antenna. The receiving antenna is connected with the frequency selection circuit, the frequency selection circuit is connected with the crystal oscillator and the amplifier circuit, the frequency selection circuit selects the matching signal and transmits it to the amplifier circuit, the amplifier circuit is connected with the decoding circuit, and the signal is amplified and then converted by the decoding circuit. The code circuit realizes the conversion of the signal, and the decoding circuit is connected with the steering gear. 2. A model aircraft transmitter system according to claim 1, characterized in that: the encoder can realize the conversion of analog signal to digital signal. 3 . The model aircraft transmitter system according to claim 1 , wherein the decoding circuit can realize the conversion from digital signals to analog signals. 4 .