30results about How to "Rich communication interface" patented technology

The invention relates to a novel portable PLC (Programmable Logic Controller) programming device which comprises a main control module, a storage module, a power management module, a communication interface module, a human-computer interface module and a CAN (Control Area Network) interface module, wherein the system carries out multitask and communication management on the basis of the main control module and edits, processes, monitors and debugs a PLC user program; the power management module realizes power selection; the storage module stores system and user programs, data and dynamic running space; the communication interface module extends UART (Universal Asynchronous Receiver / Transmitter) and USB interfaces; the human-computer interface module provides an interactive interface; the CAN interface module programming device can be connected with any CAN node to access to CAN field bus; and the main control module is connected with the rest five modules respectively, the power management module and the communication interface module are respectively connected with a PLC main computer, and the communication interface module is connected with an upper computer. The novel portable PLC programming device can work in an off-line state, directly communicates with the upper computer and debugs, operates and monitors the user program of the PLC main computer.

The invention relates to an electric vehicle double-speed automatic transmission electronic control unit and a control strategy. The transmission control unit (TCU) comprises a single chip microcomputer, a power circuit, a pulse signal conditioning circuit, a Hall circuit conditioning circuit and a rotating speed signal frequency dividing circuit connected with a single chip microcomputer TIM module, a switching signal conditioning circuit and a motor direction control circuit connected with a single chip microcomputer universal I / O (Input / Output) module, an analog signal conditioning circuitconnected with a single chip microcomputer A / D (Analog-Digital) module, a one-way CAN (Controlled Area Network) communication signal conditioning circuit connected with a single chip microcomputer CANmodule, a PWM (Pulse-Width Modulation) drive circuit connected with a single chip microcomputer PWM module, a double-circuit SCI (Serial Communications Interface) communication signal conditioning circuit connected with a single chip microcomputer SCI serial port, a reset circuit and a crystal oscillation circuit. The universality, the reliability and the anti-interference of a hardware system are higher, so that a controller structure is more compact, the isolation communication and the on-line data modification of different types of signals can be realized, correct gear shift is ensured, the requirements on a dynamic property and economy of a whole vehicle are met, and the costs of a drive motor and a control system are reduced.

The invention discloses a human body composition analyzer. The human body composition analyzer comprises a detecting electrode unit, a control device and an analysis device. The detection electrode unit is connected with the control device which is connected with the analysis device. The detection electrode unit makes contact with a human body and is used for outputting measurement current and collecting a detection signal, wherein the detection electrode unit can output measurement current at multiple frequencies. The control device is used for controlling the frequencies of the measurement current and receiving the detection signal. The control device sends the detection signal to the analysis device. The analysis device is used for analyzing the human body composition on the basis of the detection signal. The human body composition analyzer performs biological impedance measurement in a multi-frequency mode and can cover all frequencies needed for human extracellular composition and human intercellular composition, a measurement result can be more accurate, the advantages that electrode end contact impedance is eliminated, long-cable impedance is eliminated, and body weight measurement accuracy is improved are achieved, and more accurate living body composition data can be acquired.

The present invention discloses an industrial grade unmanned aerial vehicle flight control system based on an ARM and a DSP. The system comprises: a power panel, a main control panel and an IMU board;the power panel is configured to supply power for the main control panel and the IMU board; the main control panel is provided with a main processor, the main processor is configured to receive control signals of a remote control and the attitude information of an unmanned aerial vehicle, read waypoint information and generate a control command of the unmanned aerial vehicle according to the received control signals of the remote control, the attitude information of the unmanned aerial vehicle and the read waypoint information; the IMU board is provided with a coprocessor, a sensor unit and aGPs unit, the coprocessor is configured to collect information of a receiving sensor unit and the GPS unit, the state information of the unmanned aerial vehicle is obtained according to the information of the receiving sensor unit and the GPS unit, and the state information of the unmanned aerial vehicle is sent to the main processor through a CAN bus. The industrial grade unmanned aerial vehicleflight control system can improve the safety and the reliability of the flight control system to allow the flight control system to meet the demand of the industrial grade unmanned aerial vehicle.

The invention belongs to the technical field of electrical control and relates to an intelligent operation and maintenance platform system for a subway station. The intelligent operation and maintenance platform system comprises monitoring objects, a monitoring device, a control center and an execution device. The monitoring objects comprise roller shutter doors, escalators and red flashing lamps,wherein the roller shutter doors and the escalators are internally provided with execution mechanisms respectively. The monitoring device monitors the monitoring objects and transmits monitoring information to the control center. The control center performs data processing and sends an instruction to the execution device. The execution device controls the working states of the monitoring objectsaccording to the instruction. According to the intelligent operation and maintenance platform system for the subway station of the invention, the roller shutter doors, the escalators and the red flashing lamps at a plurality of positions are remotely controlled in a centralized manner through an industrial personal computer; automatic control or manual remote control is realized; and the executionmechanisms of the roller shutter doors and the escalators (mechanical movement parts) can be monitored in real time, so that preventive repair is realized.

The invention provides an ETC radio frequency identification onboard unit (OBU) supporting communication with a mobile terminal. The OBU comprises a user card supporting an electronic wallet and an ETC radio frequency identification. The ETC radio frequency identification comprises a processor, an OBU safe module connected with the processor, a Bluetooth receiving and sending device, an NFC tag, a 5.8GHz microwave communication module and a high frequency read and write module communicating with the user card. Compared with the prior, the OBU supporting communication with a mobile terminal is advantageous in that the OBU has more communication ports and communication modes; an ETC user can have better user experience; it is convenient for user to apply for and install an ETC radio frequency identification and to charge; business pressure of sales networks is reduced; and operation cost is reduced.

The invention discloses a drive control system of a collaborative robot, belongs to the technical field of robots and solves the problem of incompleteness of the existing cooperative robot control system. The drive control system comprises a motion control loop, a low-voltage power supply loop, and a safety control loop, wherein the motion control loop comprises a main controller, a dynamics coprocessor and a joint motor drive controller; the dynamics coprocessor is connected to the main controller and the joint motor drive controller; and the low-voltage power supply loop is connected to themotion control loop and the safety control loop. The drive control system is used for joint motor control, robot end tool control and robot safety control of the collaborative robot, and supports robot dynamics and locus interpolation to improve drag teaching and robot force control. The drive control system has a compact structure, rich communication interfaces, a powerful motion control processing unit and very high security, and is suitable for a collaborative robot system with human interaction.

The invention relates to a jacquard glove machine control device and method based on heterogeneous dual cores. In a conventional jacquard glove machine control system, a controller needs to issue a control command to each slave board in real time in the actual knitting process of a glove machine. An MCU is adopted as a core controller to operate a real-time operating system in order to ensure strict time sequence in the knitting process, but the MCU is limited in FLASH and RAM capacity in a limited chip, the operation processing capacity of the MCU is limited, a display screen of the glove machine needs to be driven by an additional processor to display, and the controller and the display screen need additional communication interaction. According to the invention, a built-in inter-core shared memory communication mode of a single chip is fully utilized, large-data-volume rapid communication between the main processor and the coprocessor is realized, a complex bus communication protocol is avoided, and the execution efficiency of the controller is greatly improved.

The invention belongs to the technical field of electrical control and particularly provides a visual centralized control roller shutter door system which is used for automatically opening / closing a roller shutter door of an entrance of a subway station, realizing preventive overhauling of a roller shutter door actuator and providing early warning of passenger flow volume. The system is characterized by comprising a video camera, a roller shutter door drive controller, a sensor, a super-brain NVR (hard disk video), a roller shutter door actuator, a network switch, an upper computer, SMS (shortmessage service) and Email and cloud service. Aiming at the number of passengers in the subway, the system performs statistical analysis for the passenger flow volume by the video camera and the super-brain NVR, a risk response mechanism is provided, and crowded stampede accidents are avoided. By means of repeated research and field debugging, the visual centralized control roller shutter door system is developed. Therefore, labor intensity of a worker of the station is reduced, and worker focuses on other more important operation work, and the purpose of safe and timed operation is achieved.

The invention provides air quality detection equipment. The air quality detection equipment comprises a simulation sub unit, a multiplexer, an analog-digital conversion sub unit and a digital sub unit, wherein the simulation sub unit comprises a plurality of analog signal interfaces, and the analog sub unit is used for receiving, processing and sending analog signals; the multiplexer is connectedwith the analog signal interfaces, and is used for converting the multichannel input analog signal into a analog signal with one-channel output; the analog-digital conversion sub unit is connected with the multiplexer, and is used for carrying out analog-digital conversion on the analog signal output by the multiplexer; the digital sub unit is provided with a plurality of digital signal interfaces, at least one digital signal interface is connected with the analog-digital conversion sub unit, and the digital sub unit is used for receiving, processing and sending digital signals. According to the air quality detection equipment provided by the invention, the quantity of devices can be obviously reduced, and the economical efficiency of a circuit is improved while the performance of the circuit is guaranteed.

The invention belongs to the technical field of computer vision, high-precision sensing and data fusion and artificial intelligence, and discloses an intelligent sensing machine blind guiding controlmethod, a storage medium, a system and a device. Through a online speech recognition library for recognition, the recognition results are sent to Baidu map API for destination selection, when the destination is selected, the equipment enters a standby mode, a sent external environment data packet is waited for; the current position information is sent to a mobile phone APP through a GSM module; course angle data is read, and preliminary processing is carried out; the key nodes in the path is marked; and a high-definition camera is controlled to acquire front road surface information in a multi-thread working mode, three pieces of information including a current moving direction, whether an obstacle exists in front and a current blind road position are calculated, and a front road conditionand the current position can be comprehensively judged. According to the invention, the social problems of long training time, high training cost, whether the blind guide dog is admitted to public places or not and the like of the traditional blind guide dog can be effectively solved.

The invention discloses an information real-time interaction terminal based on an embedded system. The information real-time interaction terminal comprises a CPU main control module, an SPI expansioncommunication module, a level conversion module and a power management module. The CPU master control module comprises a core processor AM3358, a reset circuit, a clock circuit, a download circuit, aFLASH circuit and an SDRAM circuit. The AM3358 is provided with six configurable serial ports and two high-speed SPI interfaces, the CPU main control module is connected with the SPI expansion communication module through a high-speed SPI interface, and the SPI expansion communication module converts an SPI signal into a serial port signal and transmits the serial port signal to the level conversion module; the CPU main control module can configure a serial port to be connected with the level conversion module and convert a received TTL level into an RS422 level to communicate with the external equipment, and the power supply management module supplies power to the system. According to the present invention, the problem that the communication serial ports are insufficient is effectively solved, and meanwhile the input and output states of the serial ports can be freely configured.

The invention provides an abnormal state alarm method and system of a cloud platform of a respirator. The method utilizes a smart phone as a node connecting with the cloud platform of the respirator and a smart bracelet. The node performs directional alarm and graded alarm of abnormal states of the respirator. The technical effect of the abnormal state alarm method and system of the cloud platform of the respirator is that the smart phone gives play to the features of various communication ports and high calculating and processing capabilities; more importantly, the respirator is bound to the cloud platform of the respirator through a specializedAPP so that subsequent system upgrading and function expandability are more convenient; the smart bracelet and the smart phone are utilized to achieve directional alarm and graded alarm of abnormal states of the respirator; therefore, the conventional defect is overcome so that there is a specificalarm receptor available; and normal sleep of family relatives of users is ensured when a low-risk fault occurs.

The invention discloses a bus instrument based on ethernet. The bus instrument is characterized by comprising ARM, which is individually connected to an ethernet receiving and emitting module, a power supply module, an input / output unit, a communication interface, a human-computer interface, and a memory unit. On the basis of conventional instruments, an ethernet function is added; conventional instruments only have the input function, while the provided instrument has a high-side output function; moreover, the communication interface is multifunctional and comprises CAN, K-LINE / LIN, RS485 and RS232; and the bus instrument has abundant input functions and thus can adapt to different car types. Due to the development of internet of vehicles, the instrument will become a comprehensive information system; the provided bus instrument has the advantages that the instrument functions are enhanced, the human-computer interface elements are abundant, the vehicle mounted electronic devices are integrated, and the production and maintenance cost is reduced.

The invention relates to a high performance signal processing board which comprises a power supply system, an ARM processor, an FPGA processor and a DSP processor, wherein the power supply system supplies power to the ARM processor, the FPGA processor and the DSP processor, the FPGA processor is connected with the ARM processor and the DSP processor, the ARM processor configures starting of the FPGA processor, and the FPGA processor configures starting of the DSP processor. The FPGA processor is internally provided with a communication management unit and a control dwell vessel, and the ARM processor is provided with communication interfaces communicated with the outside. The high performance signal processing board is high in the processing capability and includes abundant high-reliability communication interfaces, and can satisfy requirements of most high-end control systems in the rail transit and industrial control fields at present.

The invention discloses a civil building relay protection method based on the Internet of Things, and a dual-channel operation mode is designed, and the dual-channel can be installed locally or in different places according to actual needs, and they are mutually backed up to improve the reliability and reliability of the device. Fault tolerance. The functions of the two complement each other and serve as backups for each other. The local channel provides the on-site stable execution function in the offline state, and the remote channel provides more convenient remote monitoring, control and recovery functions when the communication status is normal. The present invention can transmit signals to other management terminals through mobile Internet communication, local area network, Internet, etc. through the Internet of Things communication module, provides a remote control and remote analysis capability, and improves the efficiency of daily maintenance and early warning of failures.

The invention relates to a high performance signal processing board which comprises a power supply system, an ARM processor, an FPGA processor and a DSP processor, wherein the power supply system supplies power to the ARM processor, the FPGA processor and the DSP processor, the FPGA processor is connected with the ARM processor and the DSP processor, the ARM processor configures starting of the FPGA processor, and the FPGA processor configures starting of the DSP processor. The FPGA processor is internally provided with a communication management unit and a control dwell vessel, and the ARM processor is provided with communication interfaces communicated with the outside. The high performance signal processing board is high in the processing capability and includes abundant high-reliability communication interfaces, and can satisfy requirements of most high-end control systems in the rail transit and industrial control fields at present.

The invention relates to a novel portable PLC (Programmable Logic Controller) programming device which comprises a main control module, a storage module, a power management module, a communication interface module, a human-computer interface module and a CAN (Control Area Network) interface module, wherein the system carries out multitask and communication management on the basis of the main control module and edits, processes, monitors and debugs a PLC user program; the power management module realizes power selection; the storage module stores system and user programs, data and dynamic running space; the communication interface module extends UART (Universal Asynchronous Receiver / Transmitter) and USB interfaces; the human-computer interface module provides an interactive interface; the CAN interface module programming device can be connected with any CAN node to access to CAN field bus; and the main control module is connected with the rest five modules respectively, the power management module and the communication interface module are respectively connected with a PLC main computer, and the communication interface module is connected with an upper computer. The novel portable PLC programming device can work in an off-line state, directly communicates with the upper computer and debugs, operates and monitors the user program of the PLC main computer.

The invention discloses a computer for data communication. The computer for data communication comprises a tablet computer body (1) and a drawable keyboard (6). The tablet computer body (1) is internally provided with a keyboard groove (5) for placement of the keyboard; the edge of the innermost end of the top of the keyboard is provided with a plurality of contacts (5) in communication with the tablet computer body (1), and the contacts (3) acquires power from the tablet computer body (1); the keyboard (6) is provided with a plurality of keys (4); a 4G (fourth-generation) communication module, a Bluetooth module and a wifi module are integrated on the tablet computer body (1); the keyboard is provided with a touchpad. The computer for data communication has the advantages of flexibility and convenience in use, novel structure and functional richness.

The invention discloses a mining flame-proof and intrinsic safety type monitoring substation which comprises a main shell and an intrinsic safety shell, one side of the main shell is fixedly connected with the intrinsic safety shell, the main shell comprises a panel, hinges and hexagon socket cap screws, the panel is arranged on one side of the main shell, the panel is connected to the main shell through the two hinges, and the panel is connected with the intrinsic safety shell through the two hinges. And a plurality of hexagon socket cap screws penetrate through the panel and are connected with the main shell. According to the intrinsic safety type monitoring substation, input and output holes are increased, communication interfaces are rich, many other devices can be connected, application scenes are rich, an installed displayer adopts a 10.1-inch high-definition color screen, display is clearer, operation is more convenient, the transmission distance of the device is long, the maximum transmission distance from the substation to a sensor is not smaller than 2 km, and the device is convenient to use. The maximum transmission distance between the substation and the control actuator is not less than 2km, the maximum transmission distance between the substation and the transmission interface is not less than 10km, and the maximum transmission distance between the substation and the mining network switch adopting an RS485 transmission mode is not less than 5km.

The invention discloses a multifunctional communication device. The multifunctional communication device is composed of a controller system circuit, eight south Ethernet interface circuits, four south isolated asynchronous serial communication interface circuits, four south SULIM interface circuits, a north Ethernet interface circuit and a power system circuit. The eight south Ethernet interface circuits are respectively composed of a nine-port Ethernet controller and an isolation transformer. The four south isolated asynchronous serial communication interface circuits are respectively composed of an asynchronous serial communication controller, an optical coupler isolation circuit and an RS-23 level conversion circuit. The four south SULIM interface circuits are respectively composed of an SULIM circuit, an isolation transformer and a line control switch circuit. The multifunctional communication device is applied to networking of an access network test device and simple in structure and provides abundant communication interfaces.

The invention discloses a programmable universal capacitance type liquid level sensing controller and a control method thereof, and relates to the technical field of sensor control.The controller comprises an excitation circuit of a sensor, a detection circuit, an analog-digital conversion module and a microprocessor module.The controller has the advantages that by means of programmable control, the sensor can meet various measurement conditions to obtain a richer and more precise measurement result; calibration is support and a calibration value is automatically loaded, so user operation is more convenient and efficient; in an active shielding mode, the stray capacitance of a measurement circuit is eliminated, and measurement precision is improved; detection of liquid levels in a needle and a container is supported; by means of the differential integral digital algorithm, the stable detection result is obtained, and rich result output and display are supported; logic condition prejudgment in a microprocessor is made, output of four gears of digital levels can be supported, result indication can be achieved through four gears of LEDs, the measurement result can be displayed in the form of a graph through an upper computer, and good human-computer interaction is achieved; abundant communication interfaces exist, UART\RS485\CAN and other control interfaces are supported, and the upper computer can select any interface for connection control.

The invention relates to the field of agricultural machinery, in particular to a harvesting area measurement and billing system. A harvesting area measurement and billing system of the present invention includes: a single-chip microcomputer is used to receive system detection information, external input information, and external communication information, and output system information through a display, a printer, and a communication port after calculation and processing; It is connected with an ultrasonic width measuring circuit, a distance measuring sensor, a cutter head sensor, a bus controller and a transceiver. The beneficial effect of the invention is to provide a working area measurement and billing system. The system can measure the harvesting width, save the operation data, and print out the harvested area and billing results as needed.

The invention provides an object simulation module which can simulate process data output of various control objects according to setting, and provides reliable experiment objects for evaluating the process control function, the use method, the control precision and the like of an industrial controller. The circuit comprises a control circuit; a man-machine interaction part; the control circuit comprises an ARM controller module, an analog quantity input sampling circuit, an analog quantity output circuit and a communication interface circuit, and the ARM controller module is used for collecting an external input analog quantity signal, performing mathematical model calculation, outputting a PWM signal in a corresponding proportion and providing a communication interface for communication of an upper computer; the analog input sampling circuit is used for receiving an external set value; the analog quantity output circuit is used for converting a corresponding proportion of PWM signal into a standard analog signal for a process control system according to an analog simulation result; the communication interface circuit provides a communication interface and is used for being connected with an upper computer; the control circuit and the man-machine interaction part are in communication connection through an SPI bus.