CN216210572U - Classroom-oriented motor driving system for educational robot - Google Patents
Classroom-oriented motor driving system for educational robot Download PDFInfo
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- CN216210572U CN216210572U CN202122455627.4U CN202122455627U CN216210572U CN 216210572 U CN216210572 U CN 216210572U CN 202122455627 U CN202122455627 U CN 202122455627U CN 216210572 U CN216210572 U CN 216210572U
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Abstract
The utility model discloses a classroom-oriented motor driving system of an educational robot, which comprises a power management circuit, a single chip microcomputer circuit, a motor driving circuit, an upper computer communication circuit, a Bluetooth communication circuit, a sensor communication circuit, an extended steering engine interface circuit, an extended steering engine, a motor and an attitude sensor, wherein the power management circuit is connected with the single chip microcomputer circuit; the power management circuit is respectively connected with the single chip circuit, the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit; the single chip microcomputer circuit is respectively connected with the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit; the motor driving circuit is connected with the motor; the expansion steering engine interface circuit is connected with an expansion steering engine; the motor is connected with the attitude sensor; the sensor communication circuit is connected with the attitude sensor. The utility model improves the quality of the robot essentially, and is beneficial to providing better artificial intelligence education resources for students.
Description
Technical Field
The utility model relates to the technical field of educational robots, in particular to a classroom-oriented motor driving system for an educational robot.
Background
The modern artificial intelligence education industry develops rapidly, and domestic and foreign education robot products bloom all the time, but the hardware of many education robot products in the aspect of motion control can not completely meet the requirements of artificial intelligence classroom teaching, and the products on the market at present have the following problems to be improved urgently:
1. the lack of the motion control function makes the education product unable to give sufficient feedback to the student;
2. the motion control system is directly deployed on the main control computer, and the motor occupies too many peripheral resources of the main control computer, so that the peripheral resources of other modules which can be used for artificial intelligence education are extruded.
The above circumstances all hinder the progress development and large-scale popularization of the artificial intelligence education robot.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve the above problems in the prior art, the utility model provides a classroom-oriented motor driving system for an educational robot, which substantially improves the quality of the robot and is beneficial to providing high-quality artificial intelligence educational resources for students.
The utility model solves the problems through the following technical means:
a classroom-oriented motor driving system of an educational robot comprises a power management circuit, a single chip microcomputer circuit, a motor driving circuit, an upper computer communication circuit, a Bluetooth communication circuit, a sensor communication circuit, an extended steering engine interface circuit, an extended steering engine, a motor and an attitude sensor;
the power management circuit is respectively connected with the single chip circuit, the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit;
the single chip microcomputer circuit is respectively connected with the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit;
the upper computer communication circuit is connected with an external artificial intelligence education product upper computer;
the Bluetooth communication circuit is connected with an external Bluetooth upper computer;
the motor driving circuit is connected with the motor;
the expansion steering engine interface circuit is connected with an expansion steering engine;
the motor is connected with the attitude sensor;
the sensor communication circuit is connected with the attitude sensor.
Further, the extension steering engine is a four-way extension steering engine.
Further, the motor is a four-way hall motor.
Further, the power management circuit comprises a plug J1, a switch S1, a MOS transistor Q1, a transient suppression diode D1 and a resistor R3;
the negative electrode of the plug J1 is grounded, the positive electrode of the plug J1 is connected with one end of a switch S1, the other end of the switch S1 is respectively connected with one end of a transient suppression diode D1 and the D electrode of an MOS tube Q1, the other end of the transient suppression diode D1 is grounded, the G electrode of the MOS tube Q1 is connected with one end of a resistor R3, and the other end of the resistor R3 is grounded;
the circuit also comprises a switching power supply chip U6, a three-terminal linear voltage regulator VR1, an inductor L1, a diode D2, a polar capacitor C22, a capacitor C18, a capacitor C19, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a resistor R16 and a resistor R17;
a pin 0 and a pin 6 of a switching power supply chip U6 are grounded, a pin 7 of a switching power supply chip U6 is respectively connected with one end of a capacitor C18 and the S pole of a MOS transistor Q1, the other end of a capacitor C18 is grounded, a pin 8 of a switching power supply chip U6 is respectively connected with one end of a capacitor C19, one end of an inductor L1 and the cathode of a diode D2, the anode of a diode D2 is grounded, the other end of an inductor L1 is connected with the anode of a polar capacitor C22, the cathode of a polar capacitor C22 is grounded, the other end of a capacitor C19 is connected with a pin 1 of a switching power supply chip U6, a pin 4 and a pin 4 of a switching power supply chip U6 are respectively connected with one end of a resistor R6 and one end of a resistor R6, the other end of the resistor R6 is grounded, the other end of the resistor R6 is respectively connected with the input end of a three-terminal linear voltage regulator VR 6, one end of the capacitor C6 and one end of the common VR 6 are respectively connected with the output end of the three-terminal VR 6 of the common VR 6, The other end of the capacitor C29, the other end of the capacitor C30 and the other end of the capacitor C31 are connected to ground.
Further, the single chip microcomputer circuit comprises a chip U5, a crystal oscillator Y1, a button S2, a terminal P7, a capacitor C20, a capacitor C21, a capacitor C23, a capacitor C24, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C32, a resistor R18, a resistor R19 and a resistor R20;
a pin 28 of the chip U5 is connected with one end of a resistor R18, the other end of the resistor R18 is grounded, a pin 5 of the chip U5 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C21, a pin 6 of the chip U5 is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C25, and the other end of the capacitor C21 is connected with the other end of the capacitor C25 and grounded;
one end of the capacitor C23 is connected with a pin 1 of the chip U5 and one end of the capacitor C24 respectively, and the other end of the capacitor C23 is connected with the other end of the capacitor C24 and grounded; one end of the capacitor C26 is connected to pin 1 of the chip U5 and one end of the capacitor C27, respectively, and the other end of the capacitor C26 is connected to the other end of the capacitor C27 and grounded.
Further, the motor driving circuit comprises a chip U1, a terminal P1, a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4;
Furthermore, the upper computer communication circuit is a UART2 serial port communication circuit and comprises a terminal P14, a pin 1 of the terminal P14 is connected with a pin 17 of the chip U5, a pin 2 of the terminal P14 is connected with a pin 16 of the chip U5, a pin 3 of the terminal P14 is grounded, and a pin 4 of the terminal P14 is connected with an output end of the three-terminal linear regulator VR 1.
Further, the bluetooth communication circuit is a UART3 serial communication circuit, and includes a terminal P6 and a capacitor C17;
a pin 1 of the terminal P6 is respectively connected with the anode of the polar capacitor C22 and one end of the capacitor C17, and the other end of the capacitor C17 is grounded; pin 2 of terminal P6 is grounded, pin 3 of terminal P6 is connected to pin 29 of chip U5, and pin 4 of terminal P6 is connected to pin 30 of chip U5.
Further, the sensor communication circuit is an IIC communication circuit and comprises a terminal P3, a pin 1 of a terminal P3 is connected with the output end of a three-terminal linear voltage regulator VR1, a pin 2 of a terminal P3 is grounded, a pin 3 of a terminal P3 is connected with a pin 3 of a chip U5, and a pin 4 of a terminal P3 is connected with a pin 2 of a chip U5.
Further, the extended steering engine interface circuit comprises a terminal P8, a terminal P9, a terminal P10 and a terminal P11;
Compared with the prior art, the utility model has the beneficial effects that at least:
according to the classroom-oriented motor driving system of the educational robot, a student can send an instruction to a lower computer circuit board carrying the motor driving system through a master control computer, so that accurate and stable motion control is realized;
the robot has the advantages that only a small amount of cost is increased, the defect of the robot product for artificial intelligent education at the current stage in the aspect of motion control is overcome, the quality of the robot is improved substantially, and the robot is beneficial to providing high-quality artificial intelligent education resources for students.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a motor driving system of a classroom-oriented educational robot of the present invention;
fig. 2 is a power supply principle diagram of the motor driving system of the classroom-oriented educational robot of the present invention;
FIG. 3 is a schematic diagram of the power management circuit of the present invention;
FIG. 4 is a schematic diagram of the single chip circuit of the present invention;
FIG. 5 is a schematic diagram of the motor drive circuit of the present invention;
FIG. 6 is a schematic diagram of the host computer communication circuitry of the present invention;
FIG. 7 is a schematic diagram of the Bluetooth communication circuit of the present invention;
FIG. 8 is a schematic diagram of the sensor communication circuit of the present invention;
FIG. 9 is a schematic diagram of an extended steering engine interface circuit of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a classroom-oriented motor driving system for an educational robot, which comprises a power management circuit, a single chip circuit, a motor driving circuit, an upper computer communication circuit, a bluetooth communication circuit, a sensor communication circuit, an extended steering engine interface circuit, an extended steering engine, a motor and an attitude sensor;
the power management circuit is respectively connected with the single chip circuit, the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit;
the single chip microcomputer circuit is respectively connected with the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit;
the upper computer communication circuit is connected with an external artificial intelligence education product upper computer;
the Bluetooth communication circuit is connected with an external Bluetooth upper computer;
the motor driving circuit is connected with the motor;
the expansion steering engine interface circuit is connected with an expansion steering engine;
the motor is connected with the attitude sensor;
the sensor communication circuit is connected with the attitude sensor.
In this embodiment, the extension steering engine is a four-way extension steering engine; the motor is a four-way Hall motor.
The student sends data to a lower computer circuit board through serial port communication through a master control computer serving as an upper computer, executes a motion control command, performs decoding operation on the data, controls the motor to rotate, calculates an error value according to a pulse returned by the Hall encoder and attitude data returned by the attitude sensor, performs PID closed-loop control, and finally achieves accurate and stable motion of the robot.
As shown in fig. 3, the power management circuit includes a plug J1, a switch S1, a MOS transistor Q1, a transient suppression diode D1, and a resistor R3;
the negative electrode of the plug J1 is grounded, the positive electrode of the plug J1 is connected with one end of a switch S1, the other end of the switch S1 is respectively connected with one end of a transient suppression diode D1 and the D electrode of an MOS tube Q1, the other end of the transient suppression diode D1 is grounded, the G electrode of the MOS tube Q1 is connected with one end of a resistor R3, and the other end of the resistor R3 is grounded;
the circuit also comprises a switching power supply chip U6, a three-terminal linear voltage regulator VR1, an inductor L1, a diode D2, a polar capacitor C22, a capacitor C18, a capacitor C19, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a resistor R16 and a resistor R17;
a pin 0 and a pin 6 of a switching power supply chip U6 are grounded, a pin 7 of a switching power supply chip U6 is respectively connected with one end of a capacitor C18 and the S pole of a MOS transistor Q1, the other end of a capacitor C18 is grounded, a pin 8 of a switching power supply chip U6 is respectively connected with one end of a capacitor C19, one end of an inductor L1 and the cathode of a diode D2, the anode of a diode D2 is grounded, the other end of an inductor L1 is connected with the anode of a polar capacitor C22, the cathode of a polar capacitor C22 is grounded, the other end of a capacitor C19 is connected with a pin 1 of a switching power supply chip U6, a pin 4 and a pin 4 of a switching power supply chip U6 are respectively connected with one end of a resistor R6 and one end of a resistor R6, the other end of the resistor R6 is grounded, the other end of the resistor R6 is respectively connected with the input end of a three-terminal linear voltage regulator VR 6, one end of the capacitor C6 and one end of the common VR 6 are respectively connected with the output end of the three-terminal VR 6 of the common VR 6, The other end of the capacitor C29, the other end of the capacitor C30 and the other end of the capacitor C31 are connected to ground.
The power management circuit adopts a TPS5430DDAR switch power supply chip and an AMS1117 three-terminal linear voltage regulator as power management chips. The whole system is supplied with power by an external 12V input, firstly, overvoltage protection of a transient suppression diode SMBJ30CA is carried out, then, the 12V current is reduced to 5V through a voltage reduction circuit based on a TPS5430DDAR switching power supply chip, and the 5V current is output to be 3.3V through a voltage stabilizing circuit based on an AMS1117 three-terminal linear voltage stabilizer. Simulation and long-term actual measurement can prove that the power management circuit is suitable for the system.
Wherein 12V's electric current mainly used motor power supply, 5V's electric current mainly is bluetooth and extension steering wheel power supply, and 3.3V electric current mainly is the singlechip power supply.
As shown in fig. 4, the single chip microcomputer circuit includes a chip U5, a crystal oscillator Y1, a button S2, a terminal P7, a capacitor C20, a capacitor C21, a capacitor C23, a capacitor C24, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C32, a resistor R18, a resistor R19, and a resistor R20;
a pin 28 of the chip U5 is connected with one end of a resistor R18, the other end of the resistor R18 is grounded, a pin 5 of the chip U5 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C21, a pin 6 of the chip U5 is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C25, and the other end of the capacitor C21 is connected with the other end of the capacitor C25 and grounded;
one end of the capacitor C23 is connected with a pin 1 of the chip U5 and one end of the capacitor C24 respectively, and the other end of the capacitor C23 is connected with the other end of the capacitor C24 and grounded; one end of the capacitor C26 is connected to pin 1 of the chip U5 and one end of the capacitor C27, respectively, and the other end of the capacitor C26 is connected to the other end of the capacitor C27 and grounded.
The single chip microcomputer circuit adopts a 32-bit microcontroller STM32F103RCT6 based on a Cortex-M3 framework as a main control chip of the motor driving system, is formed by combining a crystal oscillator circuit, a power-on reset circuit, a download circuit, a 3.3V power supply circuit and other basic peripheral circuits, and is a basic circuit for maintaining the normal work of the single chip microcomputer. The microcontroller has the advantages compared with other single-chip microcomputers that: the system has the advantages of high performance, low cost and low power consumption, and in addition, 64 pins of the system are provided with abundant GPIO resources including UART (universal asynchronous receiver/transmitter), IIC (inter-integrated circuit), SPI (serial peripheral interface) and other communication resources, so that the system is very suitable for development of the system.
As shown in fig. 5, the motor driving circuit includes a chip U1, a terminal P1, a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3, and a capacitor C4;
The utility model improves and tests an official reference circuit of the A4953ELJTR-T chip, thereby reducing the power consumption while ensuring the driving capability of the motor; pins of two paths of pulses generated by a Hall encoder on a Hall motor are connected with a single chip microcomputer, and the real-time rotating speed of the motor is fed back to serve as a hardware basis for deploying a motor closed-loop control algorithm. In addition, the system is provided with 4 paths of interfaces which can be used as teaching extension steering engines and can be directly controlled by pins of a single chip microcomputer.
As shown in fig. 6, the upper computer communication circuit is a UART2 serial port communication circuit, and includes a terminal P14, a pin 1 of a terminal P14 is connected to a pin 17 of a chip U5, a pin 2 of a terminal P14 is connected to a pin 16 of a chip U5, a pin 3 of a terminal P14 is grounded, and a pin 4 of a terminal P14 is connected to an output terminal of a three-terminal linear regulator VR 1.
As shown in fig. 7, the bluetooth communication circuit is a UART3 serial communication circuit, and includes a terminal P6 and a capacitor C17;
a pin 1 of the terminal P6 is respectively connected with the anode of the polar capacitor C22 and one end of the capacitor C17, and the other end of the capacitor C17 is grounded; pin 2 of terminal P6 is grounded, pin 3 of terminal P6 is connected to pin 29 of chip U5, and pin 4 of terminal P6 is connected to pin 30 of chip U5.
As shown in fig. 8, the sensor communication circuit is an IIC communication circuit, and includes a terminal P3, a pin 1 of a terminal P3 connected to an output terminal of a three-terminal linear regulator VR1, a pin 2 of a terminal P3 connected to ground, a pin 3 of a terminal P3 connected to a pin 3 of a chip U5, and a pin 4 of a terminal P3 connected to a pin 2 of a chip U5.
As shown in fig. 9, the extended steering engine interface circuit includes a terminal P8, a terminal P9, a terminal P10, and a terminal P11;
The communication circuit leads out UART and IIC communication pins of the single chip microcomputer circuit. Corresponding pins of UART and IIC communication are led out to a standardized XH interface, so that the originally scattered pins become neat and attractive. The UART2 serial port communication circuit pin is used for establishing communication with the raspberry group, and is a circuit for realizing the control of the motor driving system by the upper computer; the UART3 serial port communication circuit pin is led out to be used for serial port Bluetooth communication, and based on the UART3, other Bluetooth upper computers can be used for realizing wireless control on a motor driving system, so that a debugging effect can be achieved; IIC communication circuit pins are led out to be used for being connected with an attitude sensor peripheral MPU6050, and the system carries out algorithm correction through attitude data returned by the MPU6050 and assists in achieving accurate robot motion control.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A classroom-oriented motor driving system of an educational robot is characterized by comprising a power management circuit, a single chip microcomputer circuit, a motor driving circuit, an upper computer communication circuit, a Bluetooth communication circuit, a sensor communication circuit, an extended steering engine interface circuit, an extended steering engine, a motor and an attitude sensor;
the power management circuit is respectively connected with the single chip circuit, the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit;
the single chip microcomputer circuit is respectively connected with the motor driving circuit, the upper computer communication circuit, the Bluetooth communication circuit, the sensor communication circuit and the expansion steering engine interface circuit;
the upper computer communication circuit is connected with an external artificial intelligence education product upper computer;
the Bluetooth communication circuit is connected with an external Bluetooth upper computer;
the motor driving circuit is connected with the motor;
the expansion steering engine interface circuit is connected with an expansion steering engine;
the motor is connected with the attitude sensor;
the sensor communication circuit is connected with the attitude sensor.
2. The classroom-oriented educational robot motor drive system of claim 1, wherein the extended steering engine is a four-way extended steering engine.
3. A classroom-oriented educational robot motor drive system according to claim 1, wherein the motor is a four-way hall motor.
4. The classroom-oriented educational robot motor drive system of claim 1, wherein the power management circuit comprises plug J1, switch S1, MOS transistor Q1, transient suppression diode D1, and resistor R3;
the negative electrode of the plug J1 is grounded, the positive electrode of the plug J1 is connected with one end of a switch S1, the other end of the switch S1 is respectively connected with one end of a transient suppression diode D1 and the D electrode of an MOS tube Q1, the other end of the transient suppression diode D1 is grounded, the G electrode of the MOS tube Q1 is connected with one end of a resistor R3, and the other end of the resistor R3 is grounded;
the circuit also comprises a switching power supply chip U6, a three-terminal linear voltage regulator VR1, an inductor L1, a diode D2, a polar capacitor C22, a capacitor C18, a capacitor C19, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a resistor R16 and a resistor R17;
a pin 0 and a pin 6 of a switching power supply chip U6 are grounded, a pin 7 of a switching power supply chip U6 is respectively connected with one end of a capacitor C18 and the S pole of a MOS transistor Q1, the other end of a capacitor C18 is grounded, a pin 8 of a switching power supply chip U6 is respectively connected with one end of a capacitor C19, one end of an inductor L1 and the cathode of a diode D2, the anode of a diode D2 is grounded, the other end of an inductor L1 is connected with the anode of a polar capacitor C22, the cathode of a polar capacitor C22 is grounded, the other end of a capacitor C19 is connected with a pin 1 of a switching power supply chip U6, a pin 4 and a pin 4 of a switching power supply chip U6 are respectively connected with one end of a resistor R6 and one end of a resistor R6, the other end of the resistor R6 is grounded, the other end of the resistor R6 is respectively connected with the input end of a three-terminal linear voltage regulator VR 6, one end of the capacitor C6 and one end of the common VR 6 are respectively connected with the output end of the three-terminal VR 6 of the common VR 6, The other end of the capacitor C29, the other end of the capacitor C30 and the other end of the capacitor C31 are connected to ground.
5. A classroom-oriented educational robot motor drive system according to claim 4, wherein said single chip microcomputer circuit comprises a chip U5, a crystal Y1, a button S2, a terminal P7, a capacitor C20, a capacitor C21, a capacitor C23, a capacitor C24, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C32, a resistor R18, a resistor R19, and a resistor R20;
pin 1 of the chip U5 is respectively connected with the output end of the three-terminal linear voltage regulator VR1, pin 32 of the chip U5, pin 48 of the chip U5, pin 64 of the chip U5, pin 19 of the chip U5, pin 13 of the chip U5 and one end of a capacitor C20, the other end of the capacitor C20 is grounded, and pin 31 of the chip U5 is respectively connected with pin 47 of the chip U5, pin 63 of the chip U5, pin 18 of the chip U5 and pin 12 of the chip U5 and is grounded;
a pin 28 of the chip U5 is connected with one end of a resistor R18, the other end of the resistor R18 is grounded, a pin 5 of the chip U5 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C21, a pin 6 of the chip U5 is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C25, and the other end of the capacitor C21 is connected with the other end of the capacitor C25 and grounded;
pin 60 of chip U5 is connected with one end of resistor R19, the other end of resistor R19 is connected with pin 2 of terminal P7, pin 1 of terminal P7 is grounded, pin 3 of terminal P7 is connected with pin 1 of chip U5 and one end of resistor R20, the other end of resistor R20 is connected with pin 7 of chip U5, one end of capacitor C32 and one end of button S2, and the other end of button S2 is connected with the other end of capacitor C32 and grounded;
one end of the capacitor C23 is connected with a pin 1 of the chip U5 and one end of the capacitor C24 respectively, and the other end of the capacitor C23 is connected with the other end of the capacitor C24 and grounded; one end of the capacitor C26 is connected to pin 1 of the chip U5 and one end of the capacitor C27, respectively, and the other end of the capacitor C26 is connected to the other end of the capacitor C27 and grounded.
6. The classroom-oriented educational robot motor drive system of claim 5, wherein the motor drive circuit comprises chip U1, terminal P1, resistor R1, capacitor C1, capacitor C2, capacitor C3, and capacitor C4;
pin 1 of a chip U1 is grounded, pin 2 of a chip U1 is connected with pin 37 of a chip U5, pin 3 of the chip U1 is connected with pin 25 of the chip U5, pin 4 of the chip U1 is respectively connected with the output end of a three-terminal linear voltage regulator VR1, one end of a capacitor C1, one end of a capacitor C2, one end of a capacitor C3 and one end of a capacitor C4, the other end of a capacitor C1 is respectively connected with the other end of the capacitor C2, the other end of the capacitor C3 and the other end of the capacitor C4 and grounded,
pin 9 of chip U1 is grounded, pin 8 of chip U1 is connected to pin 6 of terminal P1, pin 7 of chip U1 is connected to one end of resistor R1, the other end of resistor R1 is grounded, pin 6 of chip U1 is connected to pin 1 of terminal P1, pin 5 of chip U1 is connected to the S-pole of MOS transistor Q1, pin 2 of terminal P1 is connected to the output of three-terminal linear regulator VR1, pin 3 of terminal P1 is connected to pin 23 of chip U5, pin 4 of terminal P1 is connected to pin 22 of chip U5, and pin 5 of terminal P1 is grounded.
7. A classroom-oriented educational robot motor drive system according to claim 6, wherein said host computer communication circuit is a UART2 serial port communication circuit comprising a terminal P14, pin 1 of terminal P14 connected to pin 17 of chip U5, pin 2 of terminal P14 connected to pin 16 of chip U5, pin 3 of terminal P14 grounded, and pin 4 of terminal P14 connected to the output of three-terminal linear regulator VR 1.
8. The classroom-oriented educational robot motor drive system of claim 7, wherein the bluetooth communication circuit is a UART3 serial communication circuit comprising a terminal P6 and a capacitor C17;
a pin 1 of the terminal P6 is respectively connected with the anode of the polar capacitor C22 and one end of the capacitor C17, and the other end of the capacitor C17 is grounded; pin 2 of terminal P6 is grounded, pin 3 of terminal P6 is connected to pin 29 of chip U5, and pin 4 of terminal P6 is connected to pin 30 of chip U5.
9. A classroom-oriented educational robot motor drive system according to claim 8, wherein the sensor communication circuit is an IIC communication circuit comprising a terminal P3, pin 1 of terminal P3 connected to the output of three terminal linear regulator VR1, pin 2 of terminal P3 connected to ground, pin 3 of terminal P3 connected to pin 3 of chip U5, and pin 4 of terminal P3 connected to pin 2 of chip U5.
10. A classroom-oriented educational robot motor drive system according to claim 9, wherein said extended steering engine interface circuit comprises terminal P8, terminal P9, terminal P10, and terminal P11;
pin 1 of terminal P8 is connected to pin 41 of chip U5, pin 2 of terminal P8 is connected to the positive electrode of polar capacitor C22, and pin 3 of terminal P8 is grounded;
pin 1 of terminal P9 is connected to pin 42 of chip U5, pin 2 of terminal P9 is connected to the positive electrode of polar capacitor C22, and pin 3 of terminal P9 is grounded;
pin 1 of terminal P10 is connected to pin 43 of chip U5, pin 2 of terminal P10 is connected to the positive electrode of polar capacitor C22, and pin 3 of terminal P10 is grounded;
pin 1 of terminal P11 is connected to pin 44 of chip U5, pin 2 of terminal P11 is connected to the positive electrode of polar capacitor C22, and pin 3 of terminal P11 is grounded.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122455627.4U CN216210572U (en) | 2021-10-12 | 2021-10-12 | Classroom-oriented motor driving system for educational robot |
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| CN202122455627.4U CN216210572U (en) | 2021-10-12 | 2021-10-12 | Classroom-oriented motor driving system for educational robot |
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