[0068]Example one
[0069]EXAMPLES One provides a balanced owner, intended to integrate control functions, data pass, and Bluetooth audio functions, to ensure the provision of Bluetooth modules, and reduce external connectivity and welding. Step, simplify production steps, reduce manufacturing costs, and all modules of the main control system use the power supply module to power, ensure normal operation, so that the stability of the signal transmission is stronger, and the control of one motor of the balance vehicle is realized.
[0070]Please refer tofigure 1 As shown, a balanced owner control system, including Bluetooth modules, motor drive modules, posture detection modules, deposition interfaces, and power modules. The Bluetooth module is used to detect the signal, the detection signal processing, and the transmission control signal, the Bluetooth module can use a variety of embedded microcontrollers for various integrated Bluetooth transmission functions, detect the detection signals input by each circuit module, and outputs each circuit module in the main control system Control signals implement various control functions. For the Bluetooth module, please refer tofigure 2 As shown, the Bluetooth module includes a Bluetooth chip, a resistor R21, and a capacitor C15. Bluetooth chip pin 1, pin 9, pin 36, pin 48 connection power supply VD, Bluetooth chip pin 8, pin 23, pin 35, pin 44, pin 47 ground, resistor R21 Between the Pin 7 of the Bluetooth chip and the power supply VD, the capacitor C15 is connected between the pin 7 and the ground of the master chip. The pin 24 of the Bluetooth chip is connected to the Bluetooth antenna E, passed by the capacitor C22 and the Bluetooth antenna E of the capacitor C22, and the Pin U0-3, pin U0-4, pin U0-3 of the Bluetooth chip at the connection point of the capacitor C22 and the Bluetooth Antenna E. 10, pin U0-11, Pin U0-12, pin U0-13, pin U0-14, pin U0-15, pin U0-16, pin U0-17, pin U0-18, Pin U0-20, pin U0-21, pin U0-22, pin U0-25, pin U0-26, pin U0-27, pin U0-28, pin U0-29, pin U0-30, pin U0-31, pin U0-32, pin U0-34, pin U0-37, pin U0-38, pin U0-39, pin U0-40, pin U0- 41, pin U0-42, pin U0-43, pin U0-46, etc. Other pins for detecting the transmission of signals or control signals. Other reserved pins can connect other circuit modules to achieve corresponding control functions.
[0071]The Bluetooth module is used to receive control signals, communicate with external Bluetooth devices and output Bluetooth audio signals. The external Bluetooth device can be an external device with a Bluetooth transmission function, such as a mobile phone, a Bluetooth bracelet, a Bluetooth helmet, a Bluetooth control switch, and the like, and an external Bluetooth device includes, but is not limited to, the above components can improve the use of the balanced vehicle. The Bluetooth module connects the audio power amplifier module, and the audio power amplifier module enlarges the Bluetooth audio signal.
[0072]The Bluetooth module can also be replaced with control chips with other wireless transmission functions such as WiFi.
[0073]Bluetooth module function block diagram, please refer toimage 3 As shown, the Bluetooth module includes a data transmission unit for receiving data such as a control signal such as an external Bluetooth, an audio transmission unit, an audio signal for receiving an external Bluetooth device, and a data processing unit, calculating various input data and output control signals. Give other modules. The above unit may be a unit divided by hardware or a unit divided by a function.
[0074]Circle of the audio amplifier module, please refer toFigure 4 As shown, the audio power amplifier module includes an audio power transfusion chip, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a capacitor C9, a capacitor C10, a capacitor C11, and a plug-in cable P1. One end of the resistor R5 is connected to the audio power amplifier chip, the other end of the resistor R5 is connected to the power supply power source 5V, and one end of the resistor R6 connects the audio power amplifier chip, and the other end of the resistor R6 is connected to the power supply power supply 5V, and one end of the resistor R7 connects the audio power amplifier chip, the resistance R7 On the other end, one end of the resistor R8 is connected to the audio power amplifier chip, the other end of the resistor R8 connects the capacitor C9, and the other end of the capacitor C9 is connected to the Bluetooth module, and one end of the capacitor C11 connects the audio power amplifier chip, the other end of the capacitor C11, and the capacitor. One end of C10 connects the pin 6 of the audio power, and grounds, one end of the capacitor C10 connected to the pins 7 of the audio power amplifier chip and connects the power supply 5V, and the web P1 is connected to the audio power amplifier chip. The silent switch signal output by the Bluetooth module inputs an audio amplifier chip by resistor R1, and the Bluetooth module outputs analog audio sequentially passes the capacitor C9, the resistor R8 inputs an audio power amplifier chip. The audio amplifier chip is connected to the audio device by connecting the cable P1. The audio device can be various types of speakers, microphones, etc. have audio output devices such as headphones, headset microphones, headphones, headphones, and audio equipment. Including but not limited to the above components, improve the performance of the balanced vehicle.
[0075]Motor drive module, for driving the motor, and the motor drive module connects the Bluetooth module. The motor drive module includes a first semi-bridge gate driving circuit, a second half bridge gate driving circuit, and a third half bridge gate driving circuit, and three half bridge gate drive circuit configurations are the same.
[0076]Circuit for motor drive module, please refer toFigure 5 As shown, the first half bridge gate driving circuit includes a half bridge gate driving circuit chip U6, a diode D1, a capacitor C105, a resistor R31, a resistor R33, an NMOS tube QB2, a resistor R32, a resistor R34, NMOS tube QB1, resistance R11c, and Interface TA5, NMOS Tube QB2 and NMOS Tube QB1 form a set of NMOS pairs. The half-bridge gate driving circuit chip U6 pin 2, the pin 3 connects the Bluetooth module pin U0-31, U0-28, the half-bridge gate driving circuit chip U6 pin 4 ground, the anode connection of the diode D1 The pin 1 of the bridge gate drive circuit chip U6, and the pin 1 of the half bridge gate driving circuit chip U6 is connected to the power source Vb, the cathode connection of the diode D1 is connected to the pin 8 of the half-bridge gate driving circuit chip U6, the capacitor C105 connection Between the pin 8 of the half bridge gate driving circuit chip U6, the electrical resistance R31 is connected to the pin 7 and NMOS tube QB2 of the half bridge gate driving circuit chip U6. Between the gate, the resistor R33 is connected between the gate of the NMOS tube QB2 and the pin 6 of the half bridge gate driving circuit chip U6, the drain connection of the NMOS tube QB2 is connected to the source VA, the source and NMOS tube of the NMOS tube QB2. The drain connection of QB1, and the source of the NMOS tube QB2, the drain of the NMOS tube QB1 is connected to the interface TA5, and the resistor R32 is connected between the leading foot 5 of the half bridge gate driving circuit chip U6 and the gate of the NMOS tube QB1. The resistor R34 is connected between the gate and the source of the NMOS tube QB1, and the resistor R11c is connected between the source and the drain of the NMOS tube QB1, and the source output current of the NMOS tube QB2 is connected to the interface TA5 external motor.
[0077]The output current of the first half bridge gate driving circuit NMOS tube QB2 is passed through the motor to the second half bridge gate driving circuit NMOS tube QB3; the second half bridge gate driving circuit NMOS tube QB4 output current, after the motor to the third The half bridge gate driving circuit NMOS tube QB5; the output current of the third half bridge gate driving circuit NMOS tube QB6 is passed through the motor to the first half bridge gate driving circuit NMOS tube QB1.
[0078]The pins 2 and pins 3 of the three half-bridge gate drive circuit chips are connected to the Bluetooth module, and the motor rotation signal of the Bluetooth module is received. According to the motor rotation signal, the battery voltage is converted to the corresponding driving motor to operate the high voltage signal, output it The connected NMOS is closed and disconnected by controlling the three sets of NMOS pairs, and the drive motor is inversely rotating.
[0079]The gesture detection module is used to obtain motion data of a balanced car, which connects the Bluetooth module. The gesture detection module includes a gyroscope, the gyroscope can use a motion processing chip for detecting the motion data information of balancing the vehicle body and the like of the angular velocity and acceleration of the vehicle body, and uses the digital motion processor, I2C interface, and test. The analog is converted to a digital, obtains an accurate inclination value, conveys to the Bluetooth module.
[0080]Circuit for posture detection module, please refer toFigure 6 As shown, the posture detection module includes two motion processing chips. The motion treatment chip U1 pin 24, pin 23 connects the resistor R17, the port 2 of the resistor R18, the port 1 of the resistor R17, and the resistor R18, respectively, and the Bluetooth module pin U0-43, U0-42, the motion processing chip U3 pin 2, the pin 3 connects the resistor R18, the port 2 of the resistor R17, and the resistor R15 is connected between the resistor R17 and the power supply VD, and the resistor R16 is connected between the resistor R18 and the power supply VD; the pins 22 of the motion processing chip U1, Head 13, pin 8 Connect the power supply VD, the pin 20 of the motion processing chip U1, the pin 18, the pin 9, the pin 11 ground, the capacitor C7 is connected to the pins 10 and the ground between the motion processing chip U1; Treatment chip U3 pin 1, pin 5, pin 16 connection power supply VD, motion processing chip U3 pin 4, pin 8, pin 9, pin 10, pin 11, pin 12, pin 13, pin 15 ground, capacitor C25 is connected to between the pins 14 and the ground of the motion processing chip U3. In actual use, according to cost or stock conditions, it is used in two chips.
[0081]Balance the authorized interface of the owner control system for connecting to the deputy control system, the deposition interface connects the Bluetooth module, implements communication with the deputy control system.
[0082]The power supply module is used to provide a working power supply to each circuit module in the main control system. Make sure that each circuit module works normally, making the signal transmission stability in the main control system.