2results about How to "Save crafting materials" patented technology

This invention provides a copper ring sensing device. The copper ring sensing device includes a PI substrate and copper wires wound onto the surface of the PI substrate. An insulating layer is provided on the surface of the copper wires, and a rubber tube is fitted over the copper wires. The wire width is 0.2 mm. A PI protective film covers the copper wires and is adhered to the PI substrate. The copper ring sensing device provided by this invention solves the technical problems of complex manufacturing processes, long production cycles, and material waste in the production of traditional flexible printed circuit boards, which lead to high costs.

This utility model discloses a green and low-carbon dual-mode measurement unit calibration device, relating to the field of power metering equipment calibration technology. By setting up a device body with multiple calibration stations, this utility model provides a physical basis for batch parallel calibration of measurement units, improving space utilization. Multiple sets of current transformers enable centralized supply and independent distribution of calibration signal sources, replacing the existing whole-machine measurement method. Centralized communication management by the communication control unit enables parallel acquisition and processing of calibration data, thus constructing an independent and dedicated batch calibration platform. This eliminates the reliance on the entire measurement switch as a calibration carrier, greatly simplifying the operation process and significantly improving calibration efficiency.