14results about How to "Reasonable power distribution" patented technology

The invention provides a vehicle power control method and device, electronic equipment and a vehicle. The available discharge power of the whole vehicle can be determined according to the current running state of the vehicle and the discharge power of a battery; determining the maximum limit power of the air conditioner according to the available discharge power of the whole vehicle and the air conditioner load, and performing request limitation on the air conditioner request power according to the maximum limit power of the air conditioner; and when a power limit update demand exists, limiting the requested power according to the determined actual maximum power. The request power of the air conditioner system is limited within the range smaller than or equal to the maximum limited power of the air conditioner, and under-voltage of the battery is avoided under the condition that the normal operation of the air conditioner load is met. And when the power limit updating requirement exists, the actual maximum power is determined according to the maximum limit power of the air conditioner, the request power is limited within the range smaller than or equal to the actual maximum power, power overshoot caused by the surge problem of the air conditioner system is avoided during power request limiting, reasonable power distribution is guaranteed, and meanwhile the safety of a battery is protected.

The invention provides a cross-medium coaxial double-rotor unmanned aerial vehicle with foldable propellers and a control method of the cross-medium coaxial double-rotor unmanned aerial vehicle. The unmanned aerial vehicle comprises a main fuselage module, a vector motor base module, a coaxial propeller power module, a foldable propeller module, a waterproof sealing module and electronic equipment. According to the cross-medium power system, by folding the propellers, the effective area of the propellers is reduced, the influence of different working media of the cross-medium unmanned aerial vehicle on the efficiency of the propellers is fundamentally reduced, the capacity loss is reduced, and the endurance time is prolonged; the number of actuators is reduced, a complex gear structure is omitted, the weight of the unmanned aerial vehicle is reduced, the reliability of the unmanned aerial vehicle is improved, finally, control codes suitable for the cross-medium coaxial double-rotor unmanned aerial vehicle are designed, and automatic control over the rotating speed of motors and folding of propellers of the unmanned aerial vehicle under different working media are achieved. And the power distribution of the unmanned aerial vehicle in the cross-medium task is more reasonable.

The utility model provides a kind of silage machine header transmission gear box, including input gear box, first transfer case and second transfer case, the output end of input gear box is transmissionally connected with the input end of first transfer case, the first output end of first transfer case is transmissionally connected with the input end of second transfer case;Second output end of the first transfer case is transmissionally connected with first conveying gear box, first feeding gear box and second feeding gear box;The output end of the second transfer case is transmissionally connected with second conveying gear box, third feeding gear box and fourth feeding gear box.The utility model is adopted, power of input gear box is evenly configured by first transfer case and second transfer case, single input driving multiple output is realized, so each feeding wheel and conveying wheel of header can be driven simultaneously, and power distribution is reasonable, load balancing;A large number of transmission mechanisms are saved, and the compactness and reliability of header are improved.

The invention discloses an energy internet distributed energy storage transaction method based on a block chain, and the method comprises the steps: constructing a distributed energy storage transaction platform based on a block chain technology, and designing a distributed energy storage transaction process based on a smart contract; a dynamic energy storage transmission cost model considering the electrical distance is constructed, and nearby transaction of energy storage users is promoted; constructing a continuous two-stage transaction matching mechanism considering the dynamic energy storage transmission cost, and setting a self-adaptive quotation updating strategy considering the electrical distance; and performing network security check on the transaction order based on the node voltage sensitivity coefficient. According to the method, the problems of long transmission distance and low transaction efficiency of traditional energy storage can be solved; the energy internet distributed energy storage consumption rate is promoted, and safe operation of the power distribution network is guaranteed.

The invention relates to the technical field of mine field temporary power supply and distribution, in particular to a mine field power distribution system based on a coal bed gas generator. The system comprises a power generation device, a power storage device and a power distribution device. The power distribution device comprises a power storage matching device, a power supply matching device and a power distribution control device. The power generation device comprises a coal bed gas collection device, a coal bed gas treatment device and a coal bed gas generator set. The power generation device is used for generating power near a mine field by directly utilizing coal bed gas mined by a coal mine, the trouble of long-distance transportation of the coal bed gas is avoided, and the power storage device is used for storing part of the power generated by the power generation device, so that power supplementation and adjustment are facilitated and the power storage device serves as a standby power supply. The power distribution device is used for controlling and adjusting the power generation device and the power storage device to supply power to electric equipment in the mine field, a traditional power supply mode is bypassed, and electric quantity loss caused by long-distance power transmission is reduced.

The application relates to the technical field of electromagnetic measurement, and provides a hybrid magnetic array current sensor and a construction method. The hybrid magnetic array current sensor comprises a TMR array unit, a quantum current sensing unit, a data acquisition unit and a data fusion unit. The TMR array unit is used for converting sensed current magnetic field changes into electric signals to obtain first current data. The quantum current sensing unit is used for converting sensed quantum state signal changes into electric signals to obtain second current data. The data acquisition unit is used for acquiring the temperature of the TMR array and the output voltage of the TMR array under a reference magnetic field corresponding to the temperature. The data fusion unit is used for obtaining a sensitivity drift coefficient based on the temperature of the TMR array and the output voltage of the TMR array under the reference magnetic field corresponding to the temperature. The first current data is compensated according to the sensitivity drift coefficient to obtain compensated first current data. The compensated first current data and the second current data are fused to obtain fused current data.

This invention discloses a method and system for scheduling heliostat fields in a multi-tower coupled solar thermal power plant. The method includes: S1. Determining whether each absorber tower is an over-limit tower and whether each receiving area on the absorber is an over-limit area; S2. If at least one over-limit area exists, determining target processing areas according to the degree of over-limit in each receiving area from high to low, using the absorber tower belonging to the target processing area as the target processing tower, and iteratively executing a first scheduling scheme until each receiving area and each target processing tower is within limits; if no over-limit areas exist, proceeding to step S3; S3. If at least one over-limit tower exists, determining target processing towers according to the degree of over-limit in each absorber tower from high to low, and iteratively executing a tower over-limit scheduling scheme until each absorber tower is within limits. Implementing the technical solution of this invention can coordinate tower-level and area-level dual constraints, intelligently, efficiently, and stably completing the scheduling of heliostat fields.

The present invention relates to the field of crushing and screening equipment, and specifically discloses a crawler-type impact mobile crushing and screening station, including: a frame with a crawler wheel set, a vibrating feeder, a feeding hopper, a distribution hopper, a tailing belt, a main conveyor belt, an impact crusher, a return screen, a finished product belt, a return belt, and a power system. The power system of the present invention has a more reasonable power distribution, low energy loss and low use cost; the feeding hopper, the tailing belt, the return belt and the finished product belt can be folded or retracted, so that the device can be greatly folded during transportation, which improves the convenience during transportation; the tailing belt can be switched and installed on any side of the device, so that it has high flexibility and maneuverability; through the distribution hopper, it can switch on three screening paths to obtain a variety of finished materials, and its functions are more comprehensive, and the work efficiency is high and the screening effect is good.

This invention discloses a power cabinet for charging various communication devices, comprising a cabinet body, a power input unit, a battery compartment, a multi-protocol interface matrix module, a heat dissipation module, and an intelligent management module. The power input unit is located at the lower rear side of the cabinet body, the battery compartment is located at the lower front side of the cabinet body, and a baffle is provided above the battery compartment. The multi-protocol interface matrix module is located at the upper part of the cabinet body, the heat dissipation module is mounted on the right side of the cabinet body, and the hardware part of the intelligent management module is located at the lower part of the cabinet body, between the battery compartment and the rear panel of the cabinet body. The intelligent management module of this power cabinet has load sensing and scheduling, power line carrier communication, and millisecond-level fuse protection functions. Overall, this power cabinet has strong charging compatibility, stable heat dissipation, reasonable power distribution, and high safety and reliability, meeting the charging needs of various communication devices in multiple scenarios, and realizing unified management, intelligent power supply, and efficient heat dissipation of various communication devices.

The invention discloses an electromagnetic wave propagation path optimization system based on an intelligent metasurface, and particularly relates to the technical field of wireless communication. The optimization algorithm is efficient in adaptation, multiple requirements are taken into consideration, a weighted objective function and iterative optimization logic are designed for single-user and multi-user scenes respectively, signal gain is improved by screening high-weight units and removing high-loss units, interference and crosstalk are suppressed at the same time, the focusing power of the single-user scene is maximized, and the focusing efficiency of the single-user scene is improved. A multi-user scene is combined with a weighted water injection algorithm to realize reasonable power distribution, and system capacity and user fairness are considered. The algorithm adapts to dynamic adjustment of different scenes, the performance and the computing power are balanced, and the defects that an existing algorithm is single in target and poor in adaptability are overcome.

The invention discloses a telescopic flow guide cover of a tidal current energy water turbine, and relates to the technical field of water turbines.The inner flow guide container used for guiding water flow is installed in the flow guide cover, the outer wall of the inner flow guide container is connected with flow guide blades used for guiding the impact direction of the water flow, and a telescopic annular groove is formed in the upper end of a water wheel shaft; the water wheel has the advantages that water flow flows to the guide vanes in a more concentrated mode, the guide vanes can accurately guide the impact direction of the water flow, the water flow impacts the water wheel blades at a better angle and speed, the rotation efficiency of the water wheel blades and the water wheel shaft is improved, and the water wheel is more stable in rotation. The telescopic annular column is pushed by the lifting telescopic rod to move in the telescopic annular groove, the inner flow guide container, the connecting frame and the flow guide cover are driven to ascend together, and the telescopic flow guide cover can optimize the water flow guide effect by adjusting the height of the telescopic flow guide cover and the state of the flow guide blades under the condition of different water levels or different flow rates.

This invention discloses a high-resolution microscope objective with a large numerical aperture and a wide field of view, comprising a front converging group with positive optical power, an aberration correction group with negative optical power, and a rear imaging telecentric group with positive optical power arranged sequentially from the object side to the image side. The front converging group is responsible for the initial convergence of object-side rays, laying the foundation for large field of view and high numerical aperture imaging. The aberration correction group is the core of the system's aberration correction, which can effectively correct field curvature, distortion, and chromatic aberration. The rear imaging telecentric group is responsible for the final high-performance imaging and ensures the telecentric characteristics of the object side. It simultaneously achieves flat field, low distortion, and apochromatic aberration under an ultra-wide field of view to ensure the imaging quality of the objective and can better meet the wide field of view and high-resolution precision measurement needs of fields such as semiconductor detection.

The invention provides a supercritical carbon dioxide reactor energy group structure optimization method, which relates to the technical field of nuclear reactors, and adopts a particle swarm optimization (PSO) algorithm to optimize a neutron energy group structure of a supercritical carbon dioxide reactor so as to improve the calculation efficiency and ensure the calculation precision. The method comprises the following steps: firstly, constructing a one-dimensional hyper-component model, and calculating by utilizing a Serpent Monte Carlo program and a VI TAS deterministic theory neutron transport program to obtain a reference solution; secondly, optimizing the energy group structure through a PSO algorithm, iteratively updating the position and the speed of particles, and searching an optimal energy group structure; in the optimization process, each particle in the particle swarm represents a group of possible energy swarm boundaries, and the effectiveness of an optimization result is verified by comparing parameters such as keff, cross section, flux and power. According to the method, the neutron transport calculation precision of the supercritical carbon dioxide reactor can be improved, the rationality of power distribution of the whole reactor is kept, and an effective technical means is provided for optimization of the reactor of the type.