3results about How to "Convenient on-site debugging" patented technology

The utility model relates to a kind of protective atmosphere electroslag furnace with furnace leg pneumatic clamping device, gas cylinder telescopic component is set in the lower of upper furnace leg;Lower furnace leg is set in the lower of upper furnace leg;Pneumatic clamping component is set in the upper of lower furnace leg;Gas cylinder telescopic component is through telescopic to pneumatic clamping component;Pneumatic clamping component clamps gas cylinder telescopic component, connects or disconnects the large current passage between upper furnace leg and lower furnace leg.Compared with the furnace leg clamping system of traditional single furnace head double-station rotary gas-protected electroslag furnace, the above problems are solved by adopting cylinder clamping mode and position encoder positioning mode, which has the advantages of low investment cost, high positioning accuracy, safe and reliable operation, convenient maintenance, good environmental compatibility and other advantages, solves the technical problems of traditional single furnace head double-station rotary electroslag furnace, such as complex sealing system, difficult leakage maintenance, large space occupation, high investment cost, poor environmental compatibility, large positioning error, low control accuracy and low production efficiency.

The application discloses a kind of hybrid signal injection type capacitance current compensation method, system, equipment and medium based on parameter self-correction, is specifically related to electrical automation and digital technology field.The method comprises: by main station to distribution network inject wideband signal, response signal and zero sequence signal are collected by column device;Based on U1, I1 data, using improved recursive least square method on-line real-time identification line equivalent capacitance and resistance to ground, realize parameter self-correction;According to zero sequence voltage amplitude automatic switching signal injection method and displacement voltage method calculate capacitance current, and utilize Kalman filtering to carry out data fusion calibration;Finally based on identification parameter, through parameter-compensation amount mapping model dynamic determination arc suppression coil adjustment step size, carry out fast closed loop compensation.The application realizes on-line real-time identification and self-correction of distribution network capacitance parameter to ground, reaches fast, accurate compensation capacitance current under all-weather operation condition, ensures that system residual flow meets requirements.

The utility model discloses an intelligent goods shelf controller which comprises an RS485 circuit, a 24-bit ADC circuit, a wide-range non-polar power supply circuit, an RGB three-color indicating lamp circuit, a main MCU circuit, a data memory circuit, a built-in buzzer circuit, a three-path extensible isolation IO port circuit, a 2-inch screen interface circuit, a 3.5-inch screen interface circuit, a touch driving circuit and a word stock circuit. The main MCU circuit is connected with an RS485 circuit, a 24-bit ADC circuit, a wide-range non-polar power supply circuit, an RGB three-color indicating lamp circuit, a data memory circuit, a built-in buzzer circuit and a three-path extensible isolation IO port circuit. According to the intelligent goods shelf controller, the touch screen can conveniently calibrate the number on site for each goods allocation, parameter setting, modification, calibration and the like do not need to be carried out through a background, the 24-bit ADC can weigh extremely small weight, the defect of structural deformation of the sensor is corrected through an internal software algorithm, and it is guaranteed that data does not run for a long time.