Drive-by-wire terminal control panel integrating Ethernet and USB communication

Abstract

The utility model discloses a drive-by-wire terminal control panel integrating Ethernet and USB communication, which comprises a control panel arranged in a drive-by-wire terminal, the drive-by-wire terminal is provided with a control key, a rocker and a push rod, and the front end of the drive-by-wire terminal is provided with a USB interface and an Ethernet interface; the control panel comprises a single-chip microcomputer minimum system, a power management module, an Ethernet module and a USB module, the output end of the power management module is connected with the power input end of the single-chip microcomputer minimum system, and the input end of the single-chip microcomputer minimum system is connected with the output ends of the control key, the rocker and the push rod. The single chip microcomputer minimum system is electrically connected with the Ethernet module and the USB module respectively, the USB module is electrically connected with the USB interface, and the Ethernet module is electrically connected with the Ethernet interface. According to the utility model, two communication modes of Ethernet communication and USB communication are adopted, the data transmission rate is high, the network topology structure is flexible, the anti-interference capability is strong, the signal transmission is not influenced by the external environment, and the stability of the signal transmission is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle control, and more particularly to a wire-controlled terminal control board integrating Ethernet and USB communications. Background Art

[0002] At present, the wire-controlled terminal control boards of remote control cars on the market mainly use wireless communication. The wire-controlled terminal control board is built into the remote control handle, and the target vehicle is remotely controlled in a wireless manner. However, wireless communication has the following defects in the process of use: 1) Poor anti-interference ability: It is easily interfered by external electromagnetic waves during operation, thus affecting its normal operation. Especially in a complex production environment with many interference sources, it is easy to cause signal instability or loss; 2) Distance limitation: Since radio waves are used for communication, its transmission distance is limited. If the distance is too far or there are obstacles blocking the signal transmission, it may cause signal instability or inability to connect. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a wire-controlled terminal control board integrating Ethernet and USB communications to improve the anti-interference ability and provide a stable signal.

[0004] To solve the above technical problem, the following technical solutions are adopted by the utility model.

[0005] A wire-controlled terminal control board integrating Ethernet and USB communications includes a control board disposed inside the wire-controlled terminal. There are control buttons, a joystick and a push rod for controlling devices disposed on the wire-controlled terminal. A USB interface and an Ethernet interface for communicating with the remote control vehicle are disposed at the front end of the wire-controlled terminal. The output ends of the control buttons, the joystick and the push rod are respectively connected to the input end of the control board, and the control board is electrically connected to the USB interface; the control board includes a single-chip microcomputer minimum system for sending control signals according to the control instructions issued by the wire-controlled terminal, a power management module for providing a power supply, a 1-channel Ethernet module for realizing Ethernet communication with the remote control vehicle, and a 1-channel USB module for realizing USB communication with the remote control vehicle. The output end of the power management module is connected to the power input end of the single-chip microcomputer minimum system. The input end of the single-chip microcomputer minimum system is respectively connected to the output ends of the control buttons, the joystick and the push rod. The single-chip microcomputer minimum system is respectively electrically connected to the 1-channel Ethernet module and the 1-channel USB module. The 1-channel USB module is electrically connected to the USB interface, and the Ethernet module is electrically connected to the Ethernet interface.

[0006] To further optimize the technical solution, an 8-channel analog sensor module for collecting 8-channel analog signal is further disposed on the control board. The input ends of the 8-channel analog sensor module are respectively connected to the output ends of the joystick and the push rod, and the output end of the 8-channel analog sensor module is connected to the input end of the single-chip microcomputer minimum system.

[0007] Further optimize the technical solution. There is also a 12-channel digital input module for collecting 12-channel digital signals on the control board. The input end of the 12-channel digital input module is connected to the output end of the control button, and the output end of the 12-channel digital input module is connected to the input end of the minimum single-chip microcomputer system.

[0008] Further optimize the technical solution. The minimum single-chip microcomputer system includes a control chip, a crystal oscillator circuit, and a reset circuit. The control chip is electrically connected to the crystal oscillator circuit and the reset circuit respectively.

[0009] Further optimize the technical solution. The power management module includes a filtering module for filtering the input power supply and a conversion module for converting the 5V power supply into 5V to supply power to the control components. The output end of the filtering module is connected to the input end of the conversion module.

[0010] Due to the adoption of the above technical solutions, the technical progress achieved by the present utility model is as follows.

[0011] A wired terminal control board integrating Ethernet and USB communications provided by the present utility model adopts two communication methods of Ethernet and USB communications, and has the advantages of high data transmission rate, flexible network topology structure, strong anti-interference ability, etc. The signal transmission is not affected by the external environment, and the stability of signal transmission is improved. Description of the Drawings

[0012] Figure 1 is a structural schematic diagram of the present utility model;

[0013] Figure 2 is a structural block diagram of the control board of the present utility model;

[0014] Figure 3 is a circuit diagram of the minimum single-chip microcomputer system of the present utility model;

[0015] Figure 4 is a circuit diagram of the power management module of the present utility model;

[0016] Figure 5 is a circuit diagram of the 1-channel Ethernet module of the present utility model;

[0017] Figure 6 is a circuit diagram of the 1-channel USB module of the present utility model;

[0018] Figure 7 is a circuit diagram of the 8-channel analog sensor module of the present utility model;

[0019] Figure 8 is a circuit diagram of the 12-channel digital input module of the present utility model.

[0020] Wherein: 1. Wired control terminal, 2. Control button, 3. Joystick, 4. Push rod. Detailed implementation mode

[0021] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] A wired control terminal control board integrating Ethernet and USB communications, combined with Figure 1 As shown, it includes a wired control terminal 1, on which a control button 2, a joystick 3 and a push rod 4 are provided. At the front end of the wired control terminal 1, a USB interface and an Ethernet interface are provided for communicating with a remote control vehicle. A control board is arranged inside the wired control terminal 1. The output ends of the control button, the joystick and the push rod are respectively connected to the input end of the control board, and the control board is electrically connected to the USB interface and the Ethernet interface.

[0023] The structural block diagram of the control board is as Figure 2 shown, and it includes a minimum single-chip microcomputer system, a power management module, a 1-channel Ethernet module, a 1-channel USB module, an 8-channel analog sensor module and a 12-channel digital input / output module. The output end of the power module is connected to the input end of the minimum single-chip microcomputer system. The output ends of the 8-channel analog sensor module and the 12-channel digital input / output module are respectively connected to the input end of the minimum single-chip microcomputer system. The minimum single-chip microcomputer system is electrically connected to the 1-channel Ethernet module and the 1-channel USB module respectively.

[0024] The minimum single-chip microcomputer system issues a control signal according to the manipulation instruction sent by the wired control terminal. The minimum single-chip microcomputer system includes a control chip, a crystal oscillator circuit and a reset circuit. The control chip is electrically connected to the crystal oscillator circuit and the reset circuit respectively. The circuit diagram of the minimum single-chip microcomputer system is as Figure 3 shown.

[0025] The power management module is used to provide a power supply, including a filtering module and a conversion module. The filtering module is used to filter the input power supply. The conversion module is used to convert the 5V power supply into 5V to supply power to the control components. The output end of the filtering module is connected to the input end of the conversion module, and it can also realize functions such as reverse connection prevention, power supply and signal line filtering. The circuit diagram of the power management module is as Figure 4 shown, and the power signal output by VCC_OUT supplies power to the control chip of the minimum single-chip microcomputer system.

[0026] The 1-channel Ethernet module is used to realize Ethernet communication with the remote control vehicle. The Ethernet module is electrically connected to the Ethernet interface at the front end of the wired control terminal 1 to realize communication with the remote control vehicle. The circuit diagram of the 1-channel Ethernet module is as Figure 5 shown, and the 17th pin RMII TXD1 PG14 of U4 is connected to the 126th pin of the control chip for signal transmission.

[0027] The 1-channel USB module is used to achieve USB communication with the remote control vehicle. The 1-channel USB module is connected to the USB interface at the front end of the wire control terminal 1 to realize communication with the remote control vehicle. The circuit diagram of the 1-channel USB module is as Figure 6 shown. The 10th and 11th pins CPU_USB_P and CPU_USB_N of the 1-channel USB module are respectively connected to the 104th and 103rd pins of the control chip to achieve signal transmission.

[0028] The 8-channel analog sensor module is used to collect 8-channel analog signals. The input ends of the 8-channel analog sensor module are respectively connected to the output ends of the joystick and the push rod. The output end of the 8-channel analog sensor module is connected to the input end of the minimum single-chip microcomputer system. The circuit diagram of the 8-channel analog sensor module is as Figure 7 shown. The 3rd, 4th, and 5th pins of the 8-channel analog sensor module are respectively connected to the 10th, 11th, and 12th pins of the control chip for signal transmission. The collection of 8-channel analog sensor signals is realized, and the sensor can be calibrated, so as to process the input values of various sensors and have a wide range of digital output values.

[0029] The 12-channel digital input / output module is used to collect 12-channel digital input / output signals. The input end of the 12-channel digital input / output module is connected to the output end of the control button. The output end of the 12-channel digital input / output module is connected to the input end of the minimum single-chip microcomputer system. The circuit diagram of the 12-channel digital input / output module is as Figure 8 shown. The digital input / output signals of the control button are collected and the collected signals are transmitted to the control chip for processing.

[0030] The utility model adopts Ethernet communication with a fast data transmission rate reaching 100 megabits per second. And the network topology is relatively flexible, capable of supporting various network topologies such as bus type, star type, ring type, etc., making Ethernet flexible and scalable in network deployment. At the same time, it can also perform wired transmission through USB communication, and the transmitted signal is not interfered by the external environment, improving the stability of the transmitted signal.

Claims

1. A wire control terminal control board integrating Ethernet and USB communication, characterized in that: The invention comprises a control panel arranged in a wire control terminal (1), wherein the wire control terminal (1) is provided with a control button (2), a rocker (3) and a push rod (4) for controlling the device, and a front end of the wire control terminal is provided with a USB interface and an Ethernet interface for communicating with a remote-controlled vehicle, wherein the output ends of the control button, the rocker and the push rod are respectively connected to the input end of the control panel, and the control panel is electrically connected to the USB interface; the control panel comprises a single-chip microcomputer minimum system for sending a control signal according to a control instruction sent by the wire control terminal, a power management module for providing power supply, a 1-way Ethernet module for realizing Ethernet communication with the remote-controlled vehicle, and a 1-way USB module for realizing USB communication with the remote-controlled vehicle, wherein the output end of the power management module is connected to the power input end of the single-chip microcomputer minimum system, and the input end of the single-chip microcomputer minimum system is respectively connected to the output ends of the control button, the rocker and the push rod, the single-chip microcomputer minimum system is respectively electrically connected to the 1-way Ethernet module and the 1-way USB module, the 1-way USB module is electrically connected to the USB interface, and the Ethernet module is electrically connected to the Ethernet interface.

2. The wire control terminal control board integrating Ethernet and USB communication according to claim 1, characterized in that: The control board is also provided with an 8-way analog sensor module for acquiring 8-way analog signals. The input end of the 8-way analog sensor module is respectively connected to the output end of the rocker and the push rod, and the output end of the 8-way analog sensor module is connected to the input end of the single-chip microcomputer minimum system.

3. The wire control terminal control board integrating Ethernet and USB communication according to claim 1, characterized in that: The control board is also provided with a 12-way switch quantity module for collecting 12-way switch quantity signals, the input end of the 12-way switch quantity module is connected to the output end of the control button, and the output end of the 12-way switch quantity module is connected to the input end of the single-chip microcomputer minimum system.

4. The wire control terminal control board integrating Ethernet and USB communication according to claim 1, characterized in that: The single-chip computer minimum system comprises a control chip, a crystal oscillator circuit and a reset circuit, and the control chip is electrically connected to the crystal oscillator circuit and the reset circuit respectively.

5. The wire control terminal control board integrating Ethernet and USB communication according to claim 1, characterized in that: The power management module includes a filter module for filtering input power and a conversion module for converting 5V power into 5V to power the control component, and the output end of the filter module is connected to the input end of the conversion module.

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