4results about How to "Meet the versatility" patented technology

The invention provides an energy storage optimization scheduling method and system under microgrid priority fusion constraint, and the method comprises the steps: S1, carrying out the reading and preprocessing of multi-source data, carrying out the unified time axis of historical photovoltaic output, user load, future weather, electricity price, demand unit price, and completing the missing value interpolation and abnormal value elimination, and forming a time series data set; s2, setting decision variables, namely charging power, discharging power, maximum charging power, maximum discharging power, energy storage equipment capacity, commercial power purchase unit price and demand unit price; s3, the overall income is maximized under the specified priority, and the expenditure is reduced; s4, establishing a priority constraint, an energy storage hardware constraint, an electrical load constraint and other constraint conditions, and avoiding target scheduling conflicts according to the corresponding constraint conditions; s5, carrying out two-stage MINLP rapid solution, and searching a feasible solution in a short time by using a rapid exploration method; and deep optimization is carried out through a fine mode.

The utility model is suitable for the field of natural gas purification and recovery equipment, and provides a natural gas recovery device which comprises an outer shell and a heating bin in the outer shell, and a gap is formed between the heating bin and the outer shell; wherein a plurality of filtering devices are arranged, and each filtering device comprises two separation blades and molecular sieve filler between the two separation blades; a heating cavity is formed in the heating bin; an air inlet penetrating out of the outer shell and an exhaust port communicated with the interior of the outer shell are formed in the top of the heating bin and are communicated through a plurality of parallel heat conduction pipes in the heating cavity; a liquid inlet and a liquid outlet are formed in the heating bin; a plurality of groups of air outlets are formed in the outer shell. Therefore, the natural gas can be fully heated, and the heating adsorption efficiency of water vapor is improved. Meanwhile, workers can flexibly adjust the number of the passing filtering devices according to the flowing speed and the heating efficiency of the natural gas, quantitative distribution of the adsorbent is achieved, and resource waste caused by insufficient or excessive adsorbent is avoided.

The application relates to the technical field of electronic component reliability test, in particular to a universal discrete structure optocoupler aging test circuit and a test method.The test circuit comprises the following: one end of an adjustable power supply VC is connected to the collector of a transistor in a to-be-tested optocoupler through a sampling resistor Rs; the other end is connected in series with an adjustable power supply VB and is connected to the emitter of the transistor through a feedback resistor R2; the series connection point COM of one end of the adjustable power supply VB and one end of the power supply VC is connected to the anode of a light-emitting diode in the to-be-tested optocoupler through a current-limiting resistor R1, and the other end is connected to the cathode of the light-emitting diode through the feedback resistor R2; a switch K is arranged between the feedback resistor R2 and the adjustable power supply VC.The test circuit can realize independent aging of the input and output parts of the optocoupler, can apply stress conditions most suitable for the specifications of the diode and the transistor respectively, the test result is more real and reliable, and a special test board does not need to be made for each type of optocoupler, so that the hardware cost and design complexity can be reduced.

This utility model relates to an anti-deposition crude oil tank, comprising a tank body, an oil supply pipe at the bottom of the tank body, the oil supply pipe being connected to the tank body via a bracket, and an end of the oil supply pipe being connected to a rotary sprayer. The rotation axis of the rotary sprayer is aligned with the axis of the tank body. An oil outlet pipe is provided on the rotary sprayer, and a first flange is provided at the end of the oil outlet pipe. The first flange has an inwardly recessed groove, and a first raised ridge is evenly distributed on the end face of the groove. The tank also includes an oil outlet nozzle, and a second flange is provided opposite the groove. The end face of the second flange is evenly distributed with second raised ridges opposite the first raised ridge. A pressure ring is also provided on the oil outlet nozzle, and the pressure ring is fitted with the first flange. A sealing ring is provided between the first flange and the second flange. This utility model effectively protects the chassis rust-proof layer, significantly reduces operational risks, and provides stable and reliable support.