6results about How to "Avoid Signal Conflicts" patented technology

The invention belongs to the technical field of embedded systems and real-time control, and relates to a high-precision modular event timing system based on a microTCA.4 standard and a Zynq SoC architecture, which is suitable for scenes with high requirements on time synchronization precision and system stability, such as industrial control, and adopts a Zynq SoC timing main logic AMC board card conforming to the microTCA.4 standard and a ZYNQ-7045 SOC industrial chip; a Zynq SoC-based heterogeneous firmware module is provided, a PL end supports nanosecond event timing precision, and a PS end is in high-speed communication with the PL end through an AXI bus; a point-to-point signal real-time transmission and sharing mechanism based on mLVDS is provided; a standard backboard signal output board card and a plurality of types of high-speed photoelectric conversion terminal matching board cards are provided; according to the invention, the advantages of the FPGA are fully exerted, the core function is realized, a high-precision, flexible and extensible system is constructed, and the performance of an event timing system is improved.

This application relates to a wireless lock system, including a wireless lock, a communication module, a relay module, and a control module. The communication module is communicatively connected to the wireless lock and the relay module. The relay module receives commands from the control module and transmits them to the wireless lock via the communication module. The control module is communicatively connected to the relay module and outputs control commands, including unlocking and closing the wireless lock. This system can efficiently manage multiple wireless locks, achieving remote control, status monitoring, and orderly communication under low power consumption conditions, significantly improving the reliability and applicability of the wireless lock system.

This utility model discloses a driving power supply, belonging to the technical field of LED dimming devices, specifically relating to an LED dimming driver power supply device, including an input rectifier module, a flyback isolation circuit, a DC-DC constant current circuit, a microcontroller control module, and three dimming interfaces. The three dimming modes include: thyristor phase-cut dimming, 0-10V analog dimming, and PC-programmed dimming, with the microcontroller coordinating to allow only one dimming mode to be active at a time. The flyback isolation circuit and DC-DC constant current circuit, in conjunction with a phase detection circuit and a dimming signal isolation circuit, achieve smooth dimming and multi-mode compatibility. This utility model, by integrating multiple dimming modes and optimizing the circuit structure, reduces cost and size, and improves dimming adaptability and stability.

The application provides a battery management communication system, method, device and computer readable storage medium. The battery management communication system comprises a battery system general controller, at least one battery cluster master controller, at least one battery module controller, a direct-current power supply bus and a plurality of power carrier communication modules. The direct-current power supply bus is configured to provide working power supply for the battery system general controller, the battery cluster master controller and the battery module controller. The battery system general controller, each battery cluster master controller and each battery module controller are respectively connected to one power carrier communication module, and each power carrier communication module is electrically connected to the direct-current power supply bus. The power carrier communication module is configured to take the direct-current power supply bus as a communication medium to perform power carrier communication between the battery system general controller, the battery cluster master controller and the battery module controller. The application realizes simplified wiring and operation and maintenance efficiency improvement through multiplexing of the power supply bus carrier communication.

This application proposes a vehicle control method and system. The method includes: detecting and storing information queues of one or more Bluetooth devices within a preset detection range based on a preset time period into a preset information structure; performing scene set polling analysis based on the information queues, wherein each scene in the scene set has a preset scene trigger condition, so that when the data in the information queue meets the scene trigger condition, a scene control signal for the corresponding scene is generated; generating a corresponding scene control command based on the scene control signal and preset priority information of each Bluetooth device; and controlling the vehicle based on the scene control command. This application effectively realizes multi-scene control of a vehicle by multiple Bluetooth devices.

The invention relates to an insulation fault detection system and an insulation fault detection method. The system comprises a main insulation monitoring unit, at least one first DC branch, at least one slave insulation monitoring unit, at least one second DC branch and at least one server load. The main insulation monitoring unit is used for acquiring voltage to ground of the bus under different switching resistors, first leakage current corresponding to the first direct current branch and second leakage current corresponding to the second direct current branch; according to the voltage to ground, the first leakage current and the second leakage current, fault detection is carried out on lines among the main insulation monitoring unit, the auxiliary insulation monitoring unit and the server load, and a first detection result is obtained. According to the insulation fault detection system, the main insulation monitoring unit is used for intensively controlling the switching resistor and coordinating data acquisition, so that the insulation fault can be quickly and accurately positioned in a multi-branch and multi-node complex direct-current power supply system.