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

The invention relates to a collecting method for the wireless data of an optic fiber gyroscope. The collecting method includes as follows: firstly a source data processing module collects and clears up the data outputted by the optic fiber gyroscope and then transmits to a RF transmitting module; the RF transmitting module transmits the data which plus the corresponding address and is checked; then a RF receiving module receives a RF signal and intercompares check codes; if correct, the signal is then transmitted to a target data processing module; if wrong, a marking signal is returned back to lead the RF transmitting module to transmit the original data again; finally the target data processing module clears up the data and then transmits the data to a computer; the method realizes the data communication by a non-contact RF method and can directly output the data by a RF mode without the slide ring of a turntable, thus leading the whole data collecting system to be more flexible and solving the problem of frequent errors caused by using the slide ring of the turntable to transmit signals.

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 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 an intelligent controller for a circuit breaker with a permanent magnet mechanism. An intelligent permanent magnet circuit breaker controller is formed by combining the permanent magnet mechanism control technology with the relay protection technology. The controller includes a CPU module and a data acquisition module , power management module, permanent magnet drive module, communication module, man-machine interface module, the controller can directly drive the monostable permanent magnet mechanism; it can realize fault isolation and fault location; especially for small current grounding faults, through calculation and comparison The amplitude of the transient zero-sequence current component in the characteristic frequency band can effectively determine the fault line. With fault recording function, it can record up to 5000 event records. The controller has a self-diagnosis function, which can detect the failure of the acquisition channel and the remote control channel online, and give an alarm in time; the intelligent controller is powerful, and cooperates with the permanent magnet circuit breaker, which can fully meet the needs of the construction of the intelligent distribution network.

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 a control device of a throttle device in a ship electric propulsion system, in particular to an electric propulsion ship converter control unit, which comprises a control power supply board, a communication board, an analog quantity board, a digital quantity input and output board, a DSP (Digital Signal Processor) main control board, a pulse transmission board, a state feedback board, a power module power supply board and a mother board, wherein the mother board is connected with one end of each of other eight circuit boards through a connector; panels are respectively arranged on the other ends of the eight circuit boards; part of the eight circuit boards is connected with an external low voltage electric port through a 48-chip connector; an optical fiber board is connected with a drive and fault feedback signal of a power module through optical fiber; data (such as torque, frequency, current, voltage, running signals, fault signals, fault type, gears feedback and other signals) transmission is realized by adopting a PROFIBUS communication mode. The electric propulsion ship converter control unit is applicable to control and protection of electric propulsion ships.

The invention provides a control system of a throttle clutch actuator. The system is used for controlling a throttle clutch actuator including an execution motor, a position detecting device, a limitprotection device, and an actuator moving member. The control system comprises a servo driver and a main control PLC; the servo driver is used for controlling the execution motor and includes a limitprotection module and a motion control module; the limit protection module is used for sending a stop command to the motion control module when the actuator moving member is in contact with the limitprotection device; and the motion control module controls the execution motor to drive the actuator moving member to stop running and controls the execution motor to drive the actuator moving member to move in an opposite direction. With the control system, integration of the throttle actuator and the clutch actuator is realized; and the integration of the system is good.

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 discloses a megawatt-level permanent magnet direct-drive wind-force generating converter and a control method. The converter comprises a rectifying unit, an inverting unit, a control system, an auxiliary unit and a cabinet body, wherein the rectifying unit and the inverting unit are arranged by adopting a symmetrical structure; both a rectifying circuit and a power inverting circuitconsist of three groups of six insulated gate bipolar transistors; and the auxiliary unit comprises an auxiliary protective circuit, a precharging circuit, an auxiliary control circuit, a master contactor on the inverting unit side and a filtering circuit. The control method adopts multiple controls of speed control, torsion limit power control, direct power control and direct-current bus voltagecontrol; when the speed control, the torsion limit power control and the direct power control fail, the converter switches to the direct-current bus voltage control automatically; and the converter adopts an on-line synchronization mode without arranging single synchronization equipment. The megawatt-level permanent magnet direct-drive wind-force generating converter has the advantages of reasonable and compact structure, good safety and the like; and the control method has the advantages of small synchronization impact, safe offline and the like.