6results about How to "Low power design" patented technology

The utility model provides a power supply circuit for a micro differential pressure transmitter and the transmitter. The power supply circuit comprises a power supply management module, a first power supply module and a second power supply module which are connected in sequence. The power management module is connected with an external power supply, and the power management module is used for outputting a first power supply with stable first voltage and first current. The first power supply module is used for outputting a second power supply to supply power to the display module of the transmitter. The third power supply circuit is connected to the common end of the first power module and the second power module. And the third power supply circuit supplies power to the micro differential pressure core body and the transmitting circuit of the transmitter, and the current value of the third power supply circuit is obtained by subtracting the working current of the second power supply module from the first current. According to the utility model, through accurate current control and distribution, stable current supply of the transmitter in different working states is ensured, and the problem of current fluctuation caused by working state switching of the digital micro-differential pressure core body in the existing micro-differential pressure transmitter is improved.

This invention discloses an FPV unmanned aerial vehicle (UAV) identification method and apparatus based on analog image transmission signals. The method includes: S1, setting acquisition parameter information, including acquisition center frequency and acquisition bandwidth; S2, acquiring spatial electromagnetic wave signals based on the acquisition parameter information to obtain an acquisition signal; S3, performing identification processing on the acquisition signal to obtain an identification signal.

The utility model discloses a kind of inspection well operation safety monitoring devices, including sensor module, wireless transmission module, positioning module, alarm module, display module, data acquisition processor and power module.Sensor module integrates methane, ammonia nitrogen, hydrogen sulfide, oxygen concentration sensor and liquid level sensor, realizes multi-parameter synchronous monitoring;Wireless transmission module supports 4G / 5G communication, and real-time upload data to monitoring platform;Positioning module provides accurate position information;Alarm module triggers sound-light alarm when parameter is over limit.The device solves the problem of single function and data isolation of traditional monitoring equipment, has remote monitoring, multi-parameter integration and efficient alarm capability, significantly improves the safety of inspection well operation.

The application discloses a vehicle-machine time calibration system and method based on vehicle-mounted central domain control and mobile phone Bluetooth communication, and comprises the following steps: obtaining mobile phone local time data by using a mobile phone terminal time calibration software, and encapsulating the mobile phone local time data into a standardized time data packet; after two-way identity authentication of the mobile phone terminal time calibration software and a vehicle-mounted Bluetooth communication unit is successful, the mobile phone terminal time calibration software transmits the standardized time data packet to a vehicle-mounted central domain controller through an optimized vehicle-mounted Bluetooth communication protocol; time data analysis is performed on the standardized time data packet received by the vehicle-mounted central domain controller to obtain standard time data, data integrity check is performed on the standard time data, the standard time data that passes the data integrity check is taken as a reference, time errors caused by vehicle-mounted real-time clock chip drift are corrected, modified standard time is obtained, and the vehicle-mounted central domain controller synchronizes the modified standard time to vehicle domain controllers.

The invention discloses a dust accumulation amount and full-scale dust concentration online monitoring device and system, the device comprises a dust accumulation bin, a weighing assembly and a dust module, the lower end of the dust accumulation bin is connected with the weighing assembly, and the lower end of the weighing assembly is connected with the dust module. The dust accumulation bin comprises an upper dust accumulation bin, and the lower end of the upper dust accumulation bin is in threaded connection with a lower dust accumulation bin. The weighing assembly comprises a balance, a lifting mechanism is fixedly arranged at the left end of the balance, the top end of the lifting mechanism is movably connected with a lifter tray, and the lifter tray is fixedly connected with a dust accumulation disc. The dust module comprises a dilution bin, a first pipe, a first valve, a second pipe, a second valve, a third valve, a third pipe, a fourth valve, a fourth pipe, a fifth valve and a sixth valve are arranged on the outer wall of the dilution bin, the sampling pipe and the dust concentration sensor form a closed and open environment, and the specific state is controlled by the corresponding valves.

Embodiments of the present application provide a computing chip, a data processing method and device, equipment and a storage medium, and relate to the technical field of chips. The computing chip comprises at least one computing cluster, and the computing cluster comprises: a plurality of memory and calculation units, each memory and calculation unit comprising a calculation module and a memory module physically integrated with the calculation module; a cluster center; a cluster shared memory, which is in communication connection with the cluster center and in communication connection with each calculation module in the plurality of memory and calculation units through the cluster center; and a network on chip, the cluster center of each computing cluster being connected to the network on chip. Efficient access to local data is achieved by physical integration of memory and calculation, cross-storage access paths are optimized by cluster-level cluster shared memory, the interaction logic of the network on chip is simplified by a hierarchical communication architecture, and the data transmission efficiency of the calculation module is improved. By reducing access requests of the network on chip and simplifying network design, the access traffic and power consumption of the network on chip are reduced, and the chip area and hardware cost are reduced.