4results about How to "Meet power demand" patented technology

The electric vehicle comprises a lock control circuit, the lock control circuit comprises a USB interface, a first battery pack, an electronic lock, a control module and an identity verification module, the lock control circuit is electrically connected with external power supply equipment through the USB interface, and the external power supply equipment supplies power to the first battery pack, the electronic lock, the control module and the identity verification module; the identity verification module responds to the identity verification instruction and obtains identity recognition information; if the identity identification information is consistent with the preset identity information, the control module obtains a first output voltage of the first battery pack; if the first output voltage is smaller than or equal to the preset voltage threshold value, the control module controls the electronic lock to be unlocked. According to the electric vehicle, the electronic lock in the electric vehicle can be unlocked under the condition that the whole vehicle is insufficient in power or the battery is removed, a physical unlocking structure does not need to be relied on, and safety and convenience are improved.

The utility model relates to fan circuit technical field discloses a portable fan gear display circuit with higher reliability and stability, including the main control circuit (110) for output control signal, charging and rotating speed control circuit (120) and display circuit (130), wherein, charging and rotating speed control circuit (120) are triggered by the control signal input, to control the work of motor, and the main control circuit (110) is converted to gear signal according to the duty cycle of current output control signal, display circuit (130) is used for receiving gear signal, and according to gear signal display current motor (M1) gear.

The application discloses an anti-icing conductive coating for a contact net and a preparation method thereof, and belongs to the technical field of coating preparation. The coating comprises an A component and a B component. The A component comprises 12-25 parts of modified fluorosilicon resin, 0.6-1.2 parts of fluorinated modified nano-SiO2, 2-4 parts of TiN / graphene composite material, 2-4 parts of graphene / carbon fiber composite material, 2-4 parts of tetraphenyl ethylene grafted hydroxyl-terminated polydimethylsiloxane polymer, 1-2 parts of metal powder, 1-3 parts of super-conductive carbon black, 0.1-0.5 parts of adhesion promoter, 0.2-0.6 parts of wetting dispersant, 0.1-0.3 parts of defoaming agent and 60-80 parts of solvent. The B component comprises 1.5-4 parts of polyisocyanate curing agent. The coating provided by the application has excellent conductivity, light-heat anti-icing effect, excellent hydrophobic and oleophobic properties, and effectively reduces the aggregation of rainwater or ice and snow on the contact net. The coating has good wear resistance, strong adhesion, good toughness, anti-microcrack and wide application prospect.

The invention provides a vehicle charging control method and system and a vehicle, and the method comprises the steps: obtaining multi-source heterogeneous data of the vehicle, the multi-source heterogeneous data comprising user scene data, vehicle travel data and battery reference state data; respectively inputting the multi-source heterogeneous data into a pre-trained parking time length prediction model and a pre-trained travel demand prediction model, and correspondingly obtaining an expected available charging time length and an estimated minimum required electric quantity; constructing a constraint condition based on the expected available charging duration and the estimated minimum required electric quantity, and solving to obtain a charging power sequence by taking the minimum cumulative aging cost as an optimization target; and executing the charging power sequence to control a charging process of the vehicle. According to the method, the minimum estimated cumulative aging cost is taken as an optimization target, and the stress and aging of the battery in the high charge state can be remarkably reduced, so that the full life cycle of the battery system is prolonged.