3results about How to "Ensure communication stability" patented technology

The application relates to the technical field of ultrasonic water meters, in particular to an ultrasonic water meter intelligent test system based on 4G communication and a test method, wherein the system comprises a hardware test module, a 4G communication module, a data processing module, a parameter configuration module and a man-machine interface; the hardware test module is used for connecting an ultrasonic water meter to be tested, collecting flow data such as instantaneous flow and cumulative flow of the water meter through a special interface, and simultaneously detecting the working voltage and the environmental temperature of the ultrasonic water meter to be tested; the 4G communication module supports LTE-Cat1 and above communication modes, can establish a stable wireless communication connection, realizes test instruction issuing and test data uploading, and the data processing module comprises a data storage unit, a data analysis unit and a chart generation unit. In the working process of the ultrasonic water meter intelligent test system based on 4G communication, the problems of low test efficiency, incomplete data recording and communication performance test loss in the prior art are solved.

This utility model belongs to the field of building intelligence technology and discloses a modular building gateway device supporting multi-protocol intelligent conversion. The device includes a core board module, an RS485 interface module, an Ethernet interface module, a USB interface module, and a power supply module. The RS485 interface module, Ethernet interface module, USB interface module, and power supply module are connected to the core board module. This utility model solves the technical bottlenecks of existing building gateways in terms of multi-protocol compatibility, configuration efficiency, and real-time performance. It breaks through protocol barriers and eliminates protocol obstacles for interconnecting heterogeneous devices; improves configuration and maintenance efficiency; adopts a multi-level isolation design to ensure communication stability in complex electromagnetic environments; and controls the conversion latency to within 50ms through hardware-accelerated protocol conversion, meeting real-time control requirements.

A 200 pair data cable structure belongs to data cable technical field. The utility model discloses a subunit, is formed by four pairs of twisted pair wire, a center basic unit is formed by eight subunits, and the structure is that six subunits evenly surround one subunit, a surround basic unit is formed by seven subunits, and the structure is that five subunits evenly surround one subunit, six surround basic units evenly surround one center basic unit, and the outside is covered with an outer sheath. The utility model has better structural stability, and can effectively guarantee the communication stability of all wires.