3results about How to "Avoid power shortage" patented technology

The present application relates to the technical field of intelligent cockpit energy management and power dispatching control, and discloses a kind of dynamic adjustment method of intelligent cockpit equipment power priority.The power demand, minimum continuous power supply time, category and request state are collected by being numbered to all equipment, and the real needed equipment is screened out according to fixed period, the average power and reference duration are counted, the bidding factor is generated combined with category, relative power and relative duration, the factor is sorted and the assignable power is prefixed and cumulatively distributed, the priority is given and the record table is formed;the recursive delay count is carried out on the equipment with continuous request and not distributed at the end of the period, and the forced threshold is set;the fairness is guaranteed in the next period;the on-off instruction is executed at the same time, and the long-term non-requested equipment is identified and removed;if the conditions are met, it is included again, and the cycle is promoted.

This utility model discloses a USB hub with a controllable USB interface, comprising: an input USB interface, several output USB interfaces, several power supply control chips, a hub expansion circuit, an MCU chip, a USB-to-serial chip, and an external voltage input circuit. The control pins of the power supply control chips are electrically connected to the MCU chip, the VIN pin of the power supply control chip is electrically connected to the voltage output terminal of the external voltage input circuit, and the VOUT pin of the power supply control chip is electrically connected to the VCC pin of the output USB interface. This utility model avoids insufficient power supply to the computer's USB ports by setting up a dedicated external voltage input circuit to supply power to the output USB interfaces. The MCU chip controls the power supply control chips to control the input voltage at the voltage output terminal to the VCC pin of the output USB interface, thereby controlling the VBUS output of the output USB interface.

This invention discloses a power supply control system for charging piles based on photovoltaic energy storage, relating to the field of charging pile power supply technology. It solves the technical problem in existing technologies where disordered charging behavior (such as random charging and large fluctuations in charging duration) leads to irregular fluctuations in the load on the power supply network. This invention achieves intelligent, personalized, and efficient operation of charging pile power supply through refined characteristic identification, accurate status monitoring, and dynamic power supply decision-making. In terms of energy utilization, the system significantly improves photovoltaic energy utilization efficiency by accurately matching photovoltaic power supply with charging demand, reducing dependence on grid power and minimizing energy waste. Regarding grid security, by accurately identifying grid damage risks and load interference states, it achieves early warning and response to grid risks, reducing the risk of grid overload operation, extending the service life of power supply equipment, and improving the safety and stability of grid operation.