A miniaturized electric control board

Abstract

The utility model discloses a miniaturized electric control board, including the board body, is equipped with chip and motor drive chip on the board body, and motor drive chip and chip electric connection, and chip is used for real -time control motor drive's conduction and cut -off state to real -time speed regulation of motor drive chip through chip can, chip can with receiver based on sbus communication protocol and carry out serial communication. Compared with prior art, the utility model is with sbus communication protocol, and the wiring complexity is greatly simplified, so that the volume of electric governing board can be significantly reduced, the production cost is effectively reduced, and the reliability of the system is improved. The response time of the electric governing board is shorter, various control instructions can be quickly responded, and the application scene with extremely high real -time requirement such as the power control of high -speed aircraft is met. The selected high -current motor drive chip can stably output up to 13A current, the application field of the electric governing board is widened, and the equipment with high current demand such as high -power electric tool, high -performance model airplane and the like can be adapted.

Description

Technical Field

[0001] This utility model relates to the field of control circuit board technology, and more specifically, to a miniaturized electronic control board. Background Technology

[0002] Several significant technical bottlenecks exist in the existing technology of electronic speed controllers (ESCs), limiting their further development in miniaturization, high performance, and wide application. First, outdated communication protocols are a major problem in current ESC design. Traditional communication protocols often require complex wiring structures, which not only increases the difficulty of circuit board design but also makes miniaturization difficult. Complex wiring not only occupies more space but also increases production costs and the risk of failure, as interference between lines and troubleshooting become more challenging. Second, the poor performance of control chips is also a key factor restricting ESC performance improvement. Existing control chips have limitations in data processing capabilities, resulting in delays in the ESC's reception and processing of data from the receiver. This delay makes the ESC sluggish in responding to control commands, failing to meet the real-time requirements of applications such as the power control of high-speed aircraft. Furthermore, the limitations of the current output capability of drivers or MOSFETs are also a significant reason for the limited application range of existing ESCs. Traditional MOSFETs often have limited current output capabilities, making them unsuitable for devices requiring high current (they overheat under high loads or excessive stall current, easily damaging the chip). This limits the application of ESCs in fields such as high-power power tools and high-performance model aircraft, reducing product versatility and market competitiveness. In summary, existing ESCs have significant shortcomings in communication protocols, control chip performance, and motor drive chip current output capabilities. These shortcomings limit the miniaturization, high-performance implementation, and widespread application of ESCs. Therefore, a novel ESC design is urgently needed to address the problems in existing technologies and meet market demands for high performance, miniaturization, and wide applicability. Utility Model Content

[0003] The main objective of this invention is to address the aforementioned deficiencies and shortcomings by employing a chip based on the SBUS communication protocol and a high-current output motor drive chip. This simplifies the wiring layout of the control board, enhances its output power, adds a function to prevent overload damage to the chip due to stalling, and simultaneously reduces the overall size of the control board. Based on this, a miniaturized control board is provided.

[0004] To achieve the above objectives, the specific technical solution adopted by this utility model is as follows:

[0005] The present invention discloses a miniaturized electronic control board, comprising a board body, on which a chip and a motor drive chip are disposed, the motor drive chip being electrically connected to the chip, the chip being used to control the on and off states of the motor drive chip in real time; the chip being able to communicate with a receiver via serial port based on the sbus communication protocol.

[0006] Preferably, the dimensions of the plate are 25*40mm.

[0007] Preferably, the motor drive chip is capable of outputting a current of at least 7A continuously.

[0008] Preferably, there are three motor drive chips arranged in an array on the board.

[0009] Preferably, the plate is further provided with a capacitor, which is electrically connected to the motor drive chip.

[0010] Compared with the prior art, this utility model has the following advantages:

[0011] Compared to existing technologies, this invention significantly simplifies wiring complexity by utilizing the SBus communication protocol, resulting in a substantial reduction in the size of the ESC board. Compared to traditional ESC boards, this effectively lowers production costs while improving system reliability. The ESC board also boasts a shorter response time, enabling rapid responses to various control commands and meeting the demands of applications with extremely high real-time requirements, such as the power control of high-speed aircraft.

[0012] The selected high-current motor drive chip can stably output up to 13A of current, which broadens the application field of the ESC board and can be adapted to equipment with high current requirements, such as high-power power tools and high-performance model aircraft, greatly improving the product's versatility and market competitiveness.

[0013] The present invention will be further described below with reference to the accompanying drawings. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the electrical control board structure in a preferred embodiment of the present invention.

[0015] Explanation of reference numerals in the attached figures:

[0016] 10 boards, 20 motor drive chips, 30 capacitors, 40 chips. Detailed Implementation

[0017] The present invention will be further explained and described below through specific embodiments. It should be understood that the purpose of the following embodiments is to make the technical solution of the present invention clearer and easier to understand, and does not limit the scope of protection of the claims.

[0018] Explanation of relevant terms:

[0019] The RZ7886 motor driver chip is mainly used to control the main motor drive, while the RZ7889 chip is used to control the mobile motor.

[0020] The CH592 chip is a RISC-V MCU microcontroller with integrated BLE wireless communication.

[0021] Bluetooth Low Energy (BLE) is a low-power Bluetooth technology that is widely used in the Internet of Things (IoT), smart devices, and other fields.

[0022] RISC-V MCU refers to a microcontroller that uses the RISC-V instruction set.

[0023] SBUS (Smart Battery Unified Serial Bus) is a communication protocol for drones and remote control devices, particularly small drones and remote control systems. The SBUS protocol aims to provide a high-speed, low-latency data transmission method to support the transmission of remote control signals, sensor data, and other control information. Developed by the American manufacturer Futaba, the SBUS protocol is widely used in remote-controlled aircraft, helicopters, and other remote control devices.

[0024] The present invention will be further described below through specific embodiments.

[0025] Example

[0026] This embodiment provides a miniaturized electronic control board, including a board body 10. The board body 10 is provided with a chip 40 and a motor drive chip 20. The motor drive chip 20 is electrically connected to the chip 40. The chip 40 is used to control the on and off states of the motor drive chip 20 in real time, thereby accurately adjusting the output current and ensuring the stable and efficient operation of the entire electronic control board.

[0027] Specifically, the chip 40 can be electrically connected to the receiver, and the chip 40 and the receiver communicate via serial port based on the S-bus communication protocol. The S-bus communication protocol requires only one data line to achieve efficient transmission of multiple data streams, which greatly simplifies the wiring structure and reduces line interference.

[0028] Specifically, the chip 40 uses a CH592 control chip.

[0029] Specifically, the motor driver chip 20 can stably output up to 13A of current. For example, the RZ7886 model motor driver chip can be used.

[0030] Specifically, the board is also provided with a capacitor 30, which is electrically connected to the motor drive chip 20.

[0031] Specifically, the motor drive chip 20 is provided in multiple form and arranged in an array on the board.

[0032] Specifically, each of the motor drive chips is equipped with a corresponding capacitor 30.

[0033] Specifically, the plate 10 is 40mm long and 25mm wide.

[0034] This utility model has been described through embodiments, but it does not constitute a limitation on this utility model. Other variations of the disclosed embodiments, which are readily apparent to those skilled in the art, should fall within the scope of the claims of this utility model, with reference to the description of this utility model.

Claims

1. A miniaturized electronic control board, characterized in that: The device includes a board body on which a chip and a motor driver chip are mounted. The motor driver chip is electrically connected to the chip and is used to control the on and off states of the motor driver chip in real time. The chip can also adjust the speed of the motor driver chip in real time. The chip can communicate with a receiver via serial port based on the sbus communication protocol.

2. The miniaturized electronic control board according to claim 1, characterized in that: The dimensions of the plate are 25*30mm-25*40mm.

3. The miniaturized electronic control board according to claim 1, characterized in that: The motor drive chip can output a current of at least 13A, reducing the impact on the battery when stalled and preventing battery overload protection due to excessive current when stalled at high current.

4. The miniaturized electronic control board according to claim 1, characterized in that: The motor drive chip consists of three chips, which are arranged in an array on the board.

5. The miniaturized electronic control board according to claim 1, characterized in that: The board is also equipped with a capacitor, which is electrically connected to the motor drive chip.

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