CN215729377U

CN215729377U - 4 way motor drive circuit based on STM8S003 series singlechip

Info

Publication number: CN215729377U
Application number: CN202122083172.8U
Authority: CN
Inventors: 曹岐嵩; 隆新级; 彭信建
Original assignee: Foshan Hanrun Zhiguang Technology Co ltd
Current assignee: Foshan Hanrun Zhiguang Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-01
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a 4-path motor driving circuit based on an STM8S003 series single chip microcomputer, which comprises a control circuit and a driving circuit, wherein the control circuit is provided with a main control chip, the main control chip selects the STM8S003 series single chip microcomputer, the driving circuit comprises 4 paths of motor driving circuits, and the 4 paths of motor driving circuits are all electrically connected with the main control chip. An STM8S003 series single chip microcomputer is selected as the main control chip, so that the cost of the control chip is reduced, and the circuit design is simplified; the I/O port of the main control chip is reasonably distributed; and 4 paths of motor driving circuits are arranged, so that a plurality of motors can be driven conveniently, and the use requirements are met.

Description

4 way motor drive circuit based on STM8S003 series singlechip

Technical Field

The utility model belongs to a motor drive circuit, and particularly relates to a 4-path motor drive circuit based on an STM8S003 series single chip microcomputer.

Background

Based on products such as present pattern lamp and water wave lamp, all need use 3 way or 4 way motor drive, and current main motor drive control chip is STM32 series or APM32 series, and the general unit price ratio of the control chip of this type is more expensive, and circuit design also can be comparatively complicated moreover, is unfavorable for extensive using widely.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 4-path motor driving circuit based on an STM8S003 series single chip microcomputer, which can solve at least one of the problems.

According to one aspect of the utility model, the 4-path motor driving circuit based on the STM8S003 series single chip microcomputer comprises a control circuit and a driving circuit, wherein the control circuit is provided with a main control chip, the main control chip selects the STM8S003 series single chip microcomputer, the driving circuit comprises 4 paths of motor driving circuits, and the 4 paths of motor driving circuits are all electrically connected with the main control chip.

The utility model has the beneficial effects that: an STM8S003 series single chip microcomputer is selected as the main control chip, so that the cost of the control chip is reduced, and the circuit design is simplified; and 4 paths of motor driving circuits are arranged, so that a plurality of motors can be driven conveniently, and the use requirements are met.

In some embodiments, 4 way motor drive circuit based on STM8S003 series singlechip still include RS485 communication chip, and RS485 communication chip is connected with the main control chip electricity. Therefore, the RS485 communication chip is arranged, so that the DMX512 signal can be conveniently received, converted and transmitted to the main control chip.

In some embodiments, 4 way motor drive circuit based on STM8S003 series singlechip still include motor anti-shake chip, and motor anti-shake chip is connected with main control chip electricity, and 4 way motor drive circuit all are connected with main control chip through motor anti-shake chip. Therefore, the anti-shaking processing can be performed by arranging the motor anti-shaking chip.

In some embodiments, 4 way motor drive circuit based on STM8S003 series singlechip still include 12V power supply chip and 5V power supply chip, and 12V power supply chip is connected with 5V power supply chip electricity, and main control chip, 4 way motor drive circuit, RS485 communication chip and motor anti-shake chip all are connected with 5V power supply chip electricity. Therefore, by providing the 12V power supply chip and the 5V power supply chip, power can be supplied to each element in the circuit conveniently, and normal use of each element is facilitated.

In some embodiments, the 4-path motor driving circuit based on the STM8S003 series single chip microcomputer further comprises four gate poles and four phase inverters, the four gate poles and the four phase inverters are respectively connected with the 4-path motor driving circuit in a one-to-one correspondence mode, and the gate poles and the four phase inverters are electrically connected with the 5V power supply chip. Thereby, signal transmission is facilitated.

In some embodiments, 4 way motor drive circuit based on STM8S003 series singlechip still include 12V cooling fan interface, and 12V cooling fan interface is connected with 12V power supply chip electricity. Thereby, the connection of the external corresponding elements is facilitated.

In some embodiments, the 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer further comprises an automatic address coding circuit, and the automatic address coding circuit is electrically connected with the main control chip. Thus, one-touch address writing is supported by the automatic addressing circuit.

In some embodiments, 4 way motor drive circuit based on STM8S003 series singlechip still include hall sensor interface, and hall sensor interface is a plurality of, all is connected with main control chip. Therefore, the Hall sensor interface is convenient for receiving corresponding induction signals and is used for positioning the motor.

In some embodiments, 4 way motor drive circuit based on STM8S003 series singlechip, its characterized in that still include the PWM interface, the PWM interface is connected with main control chip. Thereby, the output of the PWM signal is facilitated.

Drawings

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

FIG. 2 is a circuit diagram of a main control chip according to the present invention;

FIG. 3 is a schematic circuit diagram of an RS485 communication chip according to the present invention;

FIG. 4 is a circuit diagram of the anti-shake chip of the motor in the present invention;

FIG. 5 is a schematic circuit diagram of a 12V power supply chip according to the present invention;

FIG. 6 is a circuit diagram of a 5V power supply chip according to the present invention;

FIG. 7 is a schematic circuit diagram of the gate and inverter of the present invention;

FIG. 8 is a circuit schematic of various interfaces in the present invention;

FIG. 9 is a schematic diagram of a focus motor drive circuit in one embodiment of the utility model;

FIG. 10 is a schematic diagram of a patterned sheet motor driving circuit in an embodiment of the present invention;

FIG. 11 is a schematic diagram of a moire motor drive circuit in an embodiment of the utility model;

FIG. 12 is a schematic diagram of another moire motor drive circuit in an embodiment of the present invention;

FIG. 13 is a schematic diagram of an auto-addressing circuit according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1 to 3. 4 way motor drive circuit based on STM8S003 series singlechip, including control circuit and drive circuit, control circuit is equipped with main control chip, and STM8S003 series singlechip is chooseed for use to the main control chip, and drive circuit includes 4 way motor drive circuit, and 4 way motor drive circuit all are connected with the main control chip electricity. The main control chip is STM8S003F3P6 of semiconductor brand of Italian method, and the chip model of the motor driving circuit is DRV8841PWPR of Texas instrument brand. In the drawings of the specification, a main control chip is identified as a "single chip microcomputer", and a chip of a motor driving circuit is identified as a "motor driving chip".

As shown in fig. 9 to 12, in the actual use process, the 4-way motor driving circuit is installed on the corresponding motor according to the actual use requirement, and may include a pattern disc motor, a water wave sheet motor, a color disc motor and a focusing motor, so that the control of each motor is facilitated, and the corresponding use requirement is met.

As shown in FIG. 1 and FIG. 3, the 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer further comprises an RS485 communication chip, and the RS485 communication chip is electrically connected with the 2 nd pin and the 3 rd pin of the main control chip. The RS485 communication chip is marked as an RS485 chip in the attached drawings of the specification. The RS485 communication chip is UN485E of Yon semiconductor brand, is connected with the DMX signal interface, can conveniently receive DMX512 signals, converts the DMX512 signals into RS485 signals and transmits the RS485 signals to the main control chip; the main control chip outputs motor control signals to the 4 paths of motor driving circuits. Meanwhile, the method can also realize that the number of elements can be reduced, the hardware cost can be reduced, the chip design difficulty and the chip production difficulty can be reduced and the production efficiency can be improved on the premise of realizing the same function through a DMX512 protocol provincial software program.

As shown in fig. 1 and fig. 4, 4 way motor drive circuit based on STM8S003 series singlechip still include motor anti-shake chip, and motor anti-shake chip is connected with main control chip electricity, and 4 way motor drive circuit all are connected with main control chip through motor anti-shake chip. Wherein, CD40 4053BC of fairy child semiconductor brand is selected for use to motor anti-shake chip, can carry out the anti-shake back of handling to the signal of main control chip output, carries 4 way motor drive circuit again, improves the degree of accuracy of control, has effectively avoided the motor to rotate and the shake phenomenon when stopping.

As shown in fig. 1, 5 and 6, the 4-way motor driving circuit based on the STM8S003 series single chip microcomputer further comprises a 12V power supply chip and a 5V power supply chip, wherein the 12V power supply chip is electrically connected with the 5V power supply chip, and the main control chip, the 4-way motor driving circuit, the RS485 communication chip and the motor anti-shake chip are electrically connected with the 5V power supply chip. The 12V power supply chip selects TD1660 of the Taide brand, and the 5V power supply chip selects CJ78M05 of the long-term electrical technology; through the 12V power supply chip, the 36V voltage input from the outside can be conveniently converted, so that the output voltage is 12V; through the 5V power supply chip, the 12V voltage output by the 12V power supply chip can be converted into 5V, and the working voltage requirement of each chip is met.

As shown in fig. 1 and 7, the 4-way motor driving circuit based on the STM8S003 series single chip microcomputer further comprises four gate poles and four phase inverters, and the four gate poles and the four phase inverters are respectively connected with the 4-way motor driving circuit in a one-to-one correspondence manner, namely one way motor driving circuit is connected with one gate pole and one phase inverter; the gate pole and the inverter are electrically connected with the 5V power supply chip. Wherein, the gate and the inverter are SN74LVC2G04DBVR manufactured by Texas instruments.

As shown in fig. 1 and 8, the 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer further comprises a 12V heat dissipation fan interface, and the 12V heat dissipation fan interface is electrically connected with a 12V power supply chip. Therefore, the 12V heat dissipation fan interface is convenient for the connection of an external heat dissipation fan and meets the power supply requirement. In the drawings of the specification, a 12V radiator fan interface is identified as a "fan interface".

As shown in fig. 1 and 13, the 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer further comprises an automatic address coding circuit, and the automatic address coding circuit is electrically connected with the 1 st pin and the 11 th pin of the main control chip. Thus, one-touch address writing is supported by the automatic addressing circuit.

As shown in fig. 1 and 8, the 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer further comprises a plurality of hall sensor interfaces which are connected with the main control chip. The Hall sensor interface is convenient for being connected with the Hall sensor to receive corresponding sensing signals for positioning the motor. In the drawings of the specification, the hall sensor interface is identified as a "hall interface".

4 way motor drive circuit based on STM8S003 series singlechip still includes the PWM interface, and the PWM interface is connected with main control chip 'S pin 20, is convenient for output PWM signal, is convenient for drive circuit' S control.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.

Claims

1. 4 way motor drive circuit based on STM8S003 series singlechip, its characterized in that, including control circuit and drive circuit, control circuit is equipped with main control chip, STM8S003 series singlechip is chooseed for use to the main control chip, drive circuit includes 4 way motor drive circuit, 4 the motor drive circuit all is connected with the main control chip electricity.

2. The 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer according to claim 1, further comprising an RS485 communication chip, wherein the RS485 communication chip is electrically connected with the main control chip.

3. The 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer as claimed in claim 2, further comprising a motor anti-shake chip, wherein the motor anti-shake chip is electrically connected with the main control chip, and the 4 channels of motor driving circuits are all connected with the main control chip through the motor anti-shake chip.

4. The 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer according to claim 3, further comprising a 12V power supply chip and a 5V power supply chip, wherein the 12V power supply chip is electrically connected with the 5V power supply chip, and the main control chip, the 4-channel motor driving circuit, the RS485 communication chip and the motor anti-shake chip are electrically connected with the 5V power supply chip.

5. The 4-way motor driving circuit based on the STM8S003 series single chip microcomputer as claimed in claim 4, further comprising four gate poles and four phase inverters, wherein the four gate poles and the four phase inverters are respectively connected with the 4-way motor driving circuit in a one-to-one correspondence manner, and the gate poles and the four phase inverters are electrically connected with a 5V power supply chip.

6. The 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer according to claim 4, further comprising a 12V cooling fan interface, wherein the 12V cooling fan interface is electrically connected with a 12V power supply chip.

7. The 4-channel motor driving circuit based on the STM8S003 series single-chip microcomputer according to any one of claims 1 to 6, further comprising an automatic address coding circuit, wherein the automatic address coding circuit is electrically connected with the main control chip.

8. The 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer according to claim 7, further comprising a plurality of Hall sensor interfaces, wherein the Hall sensor interfaces are connected with the main control chip.

9. The 4-channel motor driving circuit based on the STM8S003 series single chip microcomputer according to claim 8, further comprising a PWM interface, wherein the PWM interface is connected with the main control chip.