CN118473265A - Motor control circuit combined with data transmission - Google Patents

Abstract

The application relates to a motor control circuit combined with data transmission, comprising: the device comprises a Type-c interface, a USB-to-serial port chip, a main control chip, a power supply circuit, a data transmission circuit, a light control circuit, a stepping motor control circuit and a holder motor control circuit; the Type-c interface is accessed to a PC end to acquire a PC control signal; the USB-to-serial port chip is electrically connected through the data transmission circuit; the USB-to-serial port chip is electrically connected with the main control chip; the main control chip is electrically connected with the data transmission circuit, the light control circuit, the stepping motor control circuit and the cradle head motor control circuit; the Type-c interface obtains power supply voltage through the power supply circuit and supplies power to the USB-to-serial port chip, the main control chip, the data transmission circuit, the light control circuit, the stepping motor control circuit and the holder motor control circuit through the power supply circuit. According to the technical scheme, the circuit integration level is improved, the data transmission circuit is combined with the power supply circuit, and the data transmission and the power supply can be simultaneously carried out by using one cable like C2C.

Description

A motor control circuit combined with data transmission

Technical Field

The present application relates to the technical field of control circuits, and in particular to a motor control circuit combined with data transmission.

Background Art

In existing circuit products, when power supply and data transmission are required at the same time, a design that separates power supply and data transmission is usually adopted for high-power electrical equipment. However, this design uses multiple cables to connect the electrical equipment, transmission lines and power supply lines, which will cause cable entanglement and confusion.

Summary of the invention

In order to at least to some extent overcome the problem in the related art that the design of separating power supply and data transmission in electrical equipment may cause cable entanglement and confusion, the present application provides a motor control circuit combined with data transmission.

The scheme of this application is as follows:

A motor control circuit combined with data transmission, comprising:

Type-c interface, USB to serial port chip, main control chip, power supply circuit, data transmission circuit, lighting control circuit, stepper motor control circuit and pan/tilt motor control circuit;

The Type-c interface is connected to the PC end to obtain the PC control signal; the USB to serial port chip is electrically connected through the data transmission circuit;

The USB to serial port chip is electrically connected to the main control chip;

The main control chip is electrically connected to the data transmission circuit, the lighting control circuit, the stepper motor control circuit and the pan/tilt motor control circuit;

The Type-c interface obtains the power supply voltage through the power supply circuit, and supplies power to the USB to serial port chip, the main control chip, the data transmission circuit, the lighting control circuit, the stepper motor control circuit and the pan/tilt motor control circuit through the power supply circuit;

The Type-c interface sends the PC control signal to the main control chip; and also sends the control feedback signal returned by the main control chip to the PC end;

The main control chip controls the lighting control circuit, the stepper motor control circuit and the pan/tilt motor control circuit according to the PC control signal, and transmits the control feedback signal back to the Type-c interface.

Preferably, the power supply circuit comprises:

a decoy voltage chip, a first step-down chip, a second step-down chip, and a third step-down chip;

The Type-c interface is electrically connected to the decoy voltage chip; the Type-c interface communicates with the power supply end by imitating the PD3.0 protocol through the decoy voltage chip, decoys the first power supply voltage, and provides the first power supply voltage to the decoy voltage chip;

The decoy voltage core is electrically connected to the first buck chip and the second buck chip; the decoy voltage core provides a first power supply voltage to the first buck chip and the second buck chip;

The first buck chip is electrically connected to the electrical device and the third buck chip; the first buck chip steps down the first power supply voltage to a second power supply voltage, and provides the second power supply voltage to the electrical device and the third buck chip;

The second buck chip is electrically connected to the light control circuit, the stepper motor control circuit and the pan/tilt motor control circuit; the second buck chip steps down the first power supply voltage to a third power supply voltage, and provides the third power supply voltage to the light control circuit, the stepper motor control circuit and the pan/tilt motor control circuit;

The third step-down chip is electrically connected to the data transmission circuit; the third step-down chip steps down the second power supply voltage to a fourth power supply voltage and a fifth power supply voltage, and provides the fourth power supply voltage and the fifth power supply voltage to the data transmission circuit.

Preferably, the power supply circuit comprises:

a fourth step-down chip and a fifth step-down chip;

The second buck chip is electrically connected to the fourth buck chip to provide a third power supply voltage to the fourth buck chip;

The fourth buck chip is electrically connected to the fifth buck chip; the fourth buck chip steps down the third power supply voltage to the second power supply voltage, and provides the second power supply voltage to the fifth buck chip;

The fifth step-down chip is electrically connected to the USB-to-serial port chip and the main control chip; the fifth step-down chip steps down the second power supply voltage to a fourth power supply voltage, and provides the fourth power supply voltage to the USB-to-serial port chip and the main control chip.

Preferably, the data transmission circuit comprises: a Type-c interface expansion chip and a data transfer chip;

The Type-c interface expansion chip is electrically connected to the Type-c interface, the data transfer chip and the first step-down chip; and is used to realize forward and reverse access of the Type-c interface;

The data transfer chip is electrically connected to the main control chip, the power-consuming device and the third step-down chip; and is used to realize data exchange between the Type-c interface and the power-consuming device, and between the Type-c interface and the main control chip.

Preferably, the lighting control circuit comprises:

Multiple LED control chips and multiple LED lights;

The LED control chip corresponds to the LED lamp one by one;

The LED control chip is electrically connected to the main control chip, the LED lamp and the second buck chip;

The LED control chip controls the on/off and brightness of the LED lamp according to the control signal sent by the main control chip.

Preferably, the color temperature and brightness of each LED lamp are different.

Preferably, the stepper motor control circuit comprises: a plurality of stepper motor control chips and a plurality of stepper motors;

The stepper motor control chip corresponds to the stepper motor one by one;

The stepper motor control chip is electrically connected to the main control chip, the stepper motor and the second step-down chip;

The stepper motor control chip controls the opening, closing, speed and angle of the stepper motor according to the control signal sent by the main control chip;

The stepper motor is mechanically connected to the electrical device to drive the electrical device to move.

Preferably, the pan-tilt motor control circuit comprises: a pan-tilt motor control chip and a plurality of pan-tilt motors;

The pan-tilt motor control chip is electrically connected to the main control chip and the pan-tilt motor;

The pan/tilt motor control chip controls the opening, closing, speed and angle of the stepper motor according to the control signal sent by the main control chip;

The pan/tilt motor is electrically connected to the second step-down chip and mechanically connected to the electrical device to drive the electrical device to move.

Preferably, the electrical device is a camera.

The technical solution provided by this application may have the following beneficial effects:

The motor control circuit combined with data transmission in the present application includes:

Type-c interface, USB to serial port chip, main control chip, power supply circuit, data transmission circuit, lighting control circuit, stepper motor control circuit and pan-tilt motor control circuit; Type-c interface is connected to the PC end to obtain PC control signals; the USB to serial port chip is electrically connected through the data transmission circuit; the USB to serial port chip is electrically connected to the main control chip; the main control chip is electrically connected to the data transmission circuit, lighting control circuit, stepper motor control circuit and pan-tilt motor control circuit; the Type-c interface obtains power supply voltage through the power supply circuit, and supplies power to the USB to serial port chip, the main control chip, the data transmission circuit, lighting control circuit, stepper motor control circuit and pan-tilt motor control circuit through the power supply circuit; the Type-c interface sends the PC control signal to the main control chip; the control feedback signal returned by the main control chip is also sent to the PC end; the main control chip controls the lighting control circuit, stepper motor control circuit and pan-tilt motor control circuit according to the PC control signal, and returns the control feedback signal to the PC end through the Type-c interface.

The technical solution in this application improves the circuit integration, combines the data transmission circuit with the power supply circuit, and uses a cable such as C2C to achieve data transmission and power supply at the same time. At the same time, in this technical solution, the expansion dock on the PC side is combined with functions such as lighting control and motor control to achieve functional diversification.

It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

FIG1 is a schematic diagram of a circuit structure of a motor control circuit combined with data transmission provided by an embodiment of the present application;

FIG2 is a schematic diagram of a circuit structure of a power supply circuit in a motor control circuit combined with data transmission provided by an embodiment of the present application;

3 is a schematic diagram of a circuit structure of a data transmission circuit in a motor control circuit combined with data transmission provided by an embodiment of the present application;

FIG4 is a schematic diagram of a circuit structure of a lighting control circuit in a motor control circuit combined with data transmission provided by an embodiment of the present application;

5 is a schematic diagram of a circuit structure of a stepper motor control circuit in a motor control circuit combined with data transmission provided by an embodiment of the present application;

FIG6 is a schematic diagram of the circuit structure of a pan/tilt motor control circuit in a motor control circuit combined with data transmission provided by an embodiment of the present application.

Figure numerals: Type-c interface-1; USB to serial port chip-2; main control chip-3; power supply circuit-4; decoy voltage chip-41; first buck chip-42; second buck chip-43; third buck chip-44; fourth buck chip-45; fifth buck chip-46; data transmission circuit-5; Type-c interface expansion chip-51; data transfer chip-52; lighting control circuit-6; LED control chip-61; LED light-62; stepper motor control circuit-7; stepper motor control chip-71; stepper motor-72; pan-tilt motor control circuit-8; pan-tilt motor control chip-81; pan-tilt motor-82.

DETAILED DESCRIPTION

Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

A motor control circuit combined with data transmission, referring to FIG1, comprises:

Type-c interface 1, USB to serial port chip 2, main control chip 3, power supply circuit 4, data transmission circuit 5, lighting control circuit 6, stepper motor 72 control circuit 7 and pan/tilt motor 82 control circuit 8;

The Type-c interface 1 is connected to the PC end to obtain the PC control signal; it is electrically connected to the USB to serial port chip 2 through the data transmission circuit 5;

The USB to serial port chip 2 is electrically connected to the main control chip 3;

The main control chip 3 is electrically connected to the data transmission circuit 5, the lighting control circuit 6, the stepping motor 72 control circuit 7 and the pan/tilt motor 82 control circuit 8;

The Type-c interface 1 obtains the power supply voltage through the power supply circuit 4, and supplies power to the USB to serial port chip 2, the main control chip 3, the data transmission circuit 5, the lighting control circuit 6, the stepper motor 72 control circuit 7 and the pan/tilt motor 82 control circuit 8 through the power supply circuit 4;

Type-c interface 1 sends the PC control signal to the main control chip 3; it also sends the control feedback signal returned by the main control chip 3 to the PC end;

The main control chip 3 controls the lighting control circuit 6, the stepper motor 72 control circuit 7 and the pan/tilt motor 82 control circuit 8 according to the PC control signal, and transmits the control feedback signal back to the PC end through the Type-c interface.

In specific practice, the USB to serial port chip 2 can be but not limited to a CH340 chip, and the main control chip 3 can be but not limited to an STM32 single-chip microcomputer chip.

It should be noted that the electrical device in this embodiment may be a camera, and there may be multiple cameras in this embodiment.

It should be noted that, referring to FIG. 2 , the power supply circuit 4 includes:

A decoy voltage chip 41, a first buck chip 42, a second buck chip 43 and a third buck chip 44;

The Type-c interface 1 is electrically connected to the decoy voltage chip 41; the Type-c interface 1 communicates with the power supply end by imitating the PD3.0 protocol through the decoy voltage chip 41, decoys the first power supply voltage, and provides the first power supply voltage to the decoy voltage chip 41;

The decoy voltage core is electrically connected to the first buck chip 42 and the second buck chip 43; the decoy voltage core provides a first power supply voltage to the first buck chip 42 and the second buck chip 43;

The first buck chip 42 is electrically connected to the electrical device and the third buck chip 44; the first buck chip 42 bucks the first power supply voltage to the second power supply voltage, and provides the second power supply voltage to the electrical device and the third buck chip 44;

The second step-down chip 43 is electrically connected to the light control circuit 6, the stepper motor 72 control circuit 7 and the pan/tilt motor 82 control circuit 8; the second step-down chip 43 steps down the first power supply voltage to a third power supply voltage, and provides the third power supply voltage to the light control circuit 6, the stepper motor 72 control circuit 7 and the pan/tilt motor 82 control circuit;

The third step-down chip 44 is electrically connected to the data transmission circuit 5 ; the third step-down chip 44 steps down the second power supply voltage to a fourth power supply voltage and a fifth power supply voltage, and provides the fourth power supply voltage and the fifth power supply voltage to the data transmission circuit 5 .

The PD3.0 protocol in Type-c power supply supports a maximum power input of 20V 5A. In this embodiment, the CH224K chip is used as the decoy voltage chip 41 to imitate the PD3.0 protocol to communicate with the power supply end and induce a first power supply voltage. In specific practice, the first power supply voltage can be a 20V 5A power supply voltage.

The first buck chip 42 and the second buck chip 43 may be, but are not limited to, TPS5450 chips.

The third buck chip 44 may be, but is not limited to, an EA3026 chip.

Both the TPS5450 chip and the EA3026 chip play the role of DCDC voltage reduction.

It should be noted that, referring to FIG. 2 , the power supply circuit 4 further includes:

A fourth buck chip 45 and a fifth buck chip 46;

The second buck chip 43 is electrically connected to the fourth buck chip 45, and provides a third power supply voltage to the fourth buck chip 45;

The fourth buck chip 45 is electrically connected to the fifth buck chip 46; the fourth buck chip 45 bucks the third power supply voltage to the second power supply voltage, and provides the second power supply voltage to the fifth buck chip 46;

The fifth step-down chip 46 is electrically connected to the USB-to-serial port chip 2 and the main control chip 3 ; the fifth step-down chip 46 steps down the second power supply voltage to a fourth power supply voltage, and provides the fourth power supply voltage to the USB-to-serial port chip 2 and the main control chip 3 .

The fourth buck chip 45 may be, but is not limited to, a SYB120 chip, and the fifth buck chip 46 may be, but is not limited to, a RT9013 chip.

The SYB120 chip mainly plays the role of DCDC voltage reduction, and the RT9013 chip mainly plays the role of LDC voltage stabilization.

In specific practice, the second power supply voltage may be a 5V power supply voltage, the third power supply voltage may be a 12V power supply voltage, the fourth power supply voltage may be a 3.3V power supply voltage, and the fifth power supply voltage may be a 1.0V power supply voltage, which may actually be modified according to specific needs.

It should be noted that, referring to FIG. 3 , the data transmission circuit 5 includes: a Type-c interface expansion chip 51 and a data transfer chip 52;

The Type-c interface expansion chip 51 is electrically connected to the Type-c interface 1, the data transfer chip 52 and the first step-down chip 42; and is used to realize forward and reverse access to the Type-c interface 1;

The data transfer chip 52 is electrically connected to the main control chip 3, the power-consuming device and the third step-down chip 44; and is used to realize data exchange between the Type-c interface 1 and the power-consuming device, and between the Type-c interface 1 and the main control chip 3.

In specific practice, the data transmission circuit 5 uses the USB 3.1 data transmission protocol and supports a data transmission speed of 10 Gbps.

The Type-c interface expansion chip 51 can be, but is not limited to, a VL160 chip. The VL160 chip and related circuits enable the device to implement the forward and reverse access function of the Type-c interface 1.

The data transfer chip 52 can be, but is not limited to, a VL822 chip. The VL822 chip and related circuits are used to implement data exchange between the Type-c interface 1 and the power-consuming device, and between the Type-c interface 1 and the main control chip 3.

It should be noted that, referring to FIG. 4 , the lighting control circuit 6 includes:

A plurality of LED control chips 61 and a plurality of LED lamps 62;

The LED control chip 61 and the LED lamp 62 correspond one to one;

The LED control chip 61 is electrically connected to the main control chip 3, the LED lamp 62 and the second buck chip 43;

The LED control chip 61 controls the on/off and brightness of the LED lamp 62 according to the control signal sent by the main control chip 3 .

Furthermore, the color temperatures of the LED lamps 62 are different.

The LED control chip 61 can be, but is not limited to, a SY7200 chip.

During implementation, the PC communicates with the main control chip 3 through the USB to serial port chip 2. The main control chip 3 generates a PWM signal according to the control signal sent by the PC and outputs it to the SY7200 chip, thereby enabling the SY7200 chip to output a controllable constant current to drive the LED and control the brightness of the LED lamp.

It should be noted that in the present technical solution, the color temperature and brightness of each LED lamp 62 are different. For example, two color temperature LED lamps 62 of 3500K and 5000K can be used. When the two color temperature LED lamps 62 are lit separately, the two color temperatures of 3500K and 5000K are realized respectively. When the two color temperature LED lamps 62 are lit at the same time, by controlling the ratio of the brightness of the two color temperature LEDs, various color temperature lights between the two are mixed.

It should be noted that, referring to FIG. 5 , the stepper motor 72 control circuit 7 includes: a plurality of stepper motor control chips 71 and a plurality of stepper motors 72 ;

The stepper motor control chip 71 corresponds to the stepper motor 72 one by one;

The stepper motor control chip 71 is electrically connected to the main control chip 3, the stepper motor 72 and the second step-down chip 43;

The stepper motor control chip 71 controls the opening, closing, speed and angle of the stepper motor 72 according to the control signal sent by the main control chip 3;

The stepper motor 72 is mechanically connected to the electrical device to drive the electrical device to move.

The stepper motor 72 is a discrete value control motor that converts an electrical pulse excitation signal into a corresponding angular displacement or linear displacement. This motor moves one step each time an electrical pulse is input, so it is also called a pulse motor. In this embodiment, the stepper motor 72 is mechanically connected to the electrical device to drive the electrical device to move.

The stepper motor control chip 71 can be, but is not limited to, an A4988 chip.

During implementation, the PC communicates with the main control chip 3 through the USB to serial port chip 2. The main control chip 3 generates a PWM signal according to the control signal sent by the PC and outputs it to the A4988 chip, so that the A4988 chip controls the speed and angle of the stepper motor 72, thereby achieving the function of controlling the stepper motor 72.

It should be noted that, referring to FIG. 6 , the pan-tilt motor 82 control circuit 8 includes: a pan-tilt motor control chip 81 and a plurality of pan-tilt motors 82 ;

The pan-tilt motor control chip 81 is electrically connected to the main control chip 3 and the pan-tilt motor 82;

The pan/tilt motor control chip 81 controls the opening, closing, speed and angle of the stepping motor 72 according to the control signal sent by the main control chip 3;

The pan/tilt motor 82 is electrically connected to the second step-down chip 43 and mechanically connected to the electrical equipment to drive the electrical equipment to move.

The pan/tilt motor 82, also called the camera pan/tilt, is a working platform mounted on a camera support and used for connecting the camera and the support. The pan/tilt has the function of enabling the support to rotate around the pan/tilt motor in a controllable manner.

The pan/tilt motor control chip 81 may be, but is not limited to, an SP3485 chip.

During implementation, the PC communicates with the main control chip 3 through the USB to serial port chip 2. The main control chip 3 generates a serial port signal (motor control code) according to the control signal sent by the PC and outputs it to the SP3485 chip (serial port to 485), thereby enabling the SP3485 chip to control the pan/tilt motor 82.

It can be understood that this technical solution improves the circuit integration, combines the data transmission circuit 5 with the power supply circuit 4, and uses a cable such as C2C to achieve data transmission and power supply at the same time. At the same time, in this technical solution, the expansion dock of the PC end is combined with functions such as lighting control and motor control to achieve functional diversification.

It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

It should be noted that, in the description of this application, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of this application, unless otherwise specified, the meaning of "plurality" refers to at least two.

It should be understood that the various parts of the present application can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.

The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims (9)

1. A motor control circuit combined with data transmission, characterized in that it includes: Type-c interface, USB to serial port chip, main control chip, power supply circuit, data transmission circuit, lighting control circuit, stepper motor control circuit and pan/tilt motor control circuit; The Type-c interface is connected to the PC end to obtain the PC control signal; the USB to serial port chip is electrically connected through the data transmission circuit; The USB to serial port chip is electrically connected to the main control chip; The main control chip is electrically connected to the data transmission circuit, the lighting control circuit, the stepper motor control circuit and the pan/tilt motor control circuit; The Type-c interface obtains power supply voltage through the power supply circuit, and supplies power to the USB to serial port chip, the main control chip, the data transmission circuit, the lighting control circuit, the stepper motor control circuit and the pan/tilt motor control circuit through the power supply circuit; The Type-c interface sends the PC control signal to the main control chip; and also sends the control feedback signal returned by the main control chip to the PC end; The main control chip controls the lighting control circuit, the stepper motor control circuit and the pan/tilt motor control circuit according to the PC control signal, and transmits the control feedback signal back to the PC end through the Type-c interface. 2. The motor control circuit combined with data transmission according to claim 1, characterized in that the power supply circuit comprises: a decoy voltage chip, a first step-down chip, a second step-down chip, and a third step-down chip; The Type-c interface is electrically connected to the decoy voltage chip; the Type-c interface communicates with the power supply end by imitating the PD3.0 protocol through the decoy voltage chip, obtains the first power supply voltage by decoy, and provides the first power supply voltage to the decoy voltage chip; The decoy voltage core is electrically connected to the first buck chip and the second buck chip; the decoy voltage core provides a first power supply voltage to the first buck chip and the second buck chip; The first buck chip is electrically connected to the electrical device and the third buck chip; the first buck chip steps down the first power supply voltage to a second power supply voltage, and provides the second power supply voltage to the electrical device and the third buck chip; The second step-down chip is electrically connected to the lighting control circuit, the stepper motor control circuit and the pan-tilt motor control circuit; the second step-down chip steps down the first power supply voltage to a third power supply voltage, and provides the third power supply voltage to the lighting control circuit, the stepper motor control circuit and the pan-tilt motor control circuit; The third step-down chip is electrically connected to the data transmission circuit; the third step-down chip steps down the second power supply voltage to a fourth power supply voltage and a fifth power supply voltage, and provides the fourth power supply voltage and the fifth power supply voltage to the data transmission circuit. 3. The motor control circuit combined with data transmission according to claim 2, characterized in that the power supply circuit comprises: a fourth step-down chip and a fifth step-down chip; The second buck chip is electrically connected to the fourth buck chip to provide a third power supply voltage to the fourth buck chip; The fourth buck chip is electrically connected to the fifth buck chip; the fourth buck chip steps down the third power supply voltage to the second power supply voltage, and provides the second power supply voltage to the fifth buck chip; The fifth step-down chip is electrically connected to the USB-to-serial port chip and the main control chip; the fifth step-down chip steps down the second power supply voltage to a fourth power supply voltage, and provides the fourth power supply voltage to the USB-to-serial port chip and the main control chip. 4. The motor control circuit combined with data transmission according to claim 2, characterized in that the data transmission circuit comprises: a Type-c interface expansion chip and a data transfer chip; The Type-c interface expansion chip is electrically connected to the Type-c interface, the data transfer chip and the first step-down chip; and is used to realize forward and reverse access of the Type-c interface; The data transfer chip is electrically connected to the main control chip, the power-consuming device and the third step-down chip; and is used to realize data exchange between the Type-c interface and the power-consuming device, and between the Type-c interface and the main control chip. 5. The motor control circuit combined with data transmission according to claim 2, wherein the lighting control circuit comprises: Multiple LED control chips and multiple LED lights; The LED control chip corresponds to the LED lamp one by one; The LED control chip is electrically connected to the main control chip, the LED lamp and the second buck chip; The LED control chip controls the on/off and brightness of the LED lamp according to the control signal sent by the main control chip. 6 . The motor control circuit combined with data transmission according to claim 5 , wherein the color temperature and brightness of each LED lamp are different. 7. The motor control circuit combined with data transmission according to claim 2, characterized in that the stepper motor control circuit comprises: a plurality of stepper motor control chips and a plurality of stepper motors; The stepper motor control chip corresponds to the stepper motor one by one; The stepper motor control chip is electrically connected to the main control chip, the stepper motor and the second step-down chip; The stepper motor control chip controls the opening, closing, speed and angle of the stepper motor according to the control signal sent by the main control chip; The stepper motor is mechanically connected to the electrical device to drive the electrical device to move. 8. The motor control circuit combined with data transmission according to claim 2, characterized in that the pan-tilt motor control circuit comprises: a pan-tilt motor control chip and a plurality of pan-tilt motors; The pan-tilt motor control chip is electrically connected to the main control chip and the pan-tilt motor; The pan/tilt motor control chip controls the opening, closing, speed and angle of the stepper motor according to the control signal sent by the main control chip; The pan/tilt motor is electrically connected to the second step-down chip and mechanically connected to the electrical device to drive the electrical device to move. 9. The motor control circuit combined with data transmission according to any one of claims 1 to 8, characterized in that the electrical device is a camera.