5505results about How to "Improve energy utilization" patented technology

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC/DC buck converter (20), an AC/DC converter (30), an ultra-capacitor assembly (40), a DC/AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine/commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC/DC buck converter (20); the wind generator (80) and the oil engine/commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC/DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

The invention relates to a four-wheel independently driven electric vehicle torque distribution control method and a four-wheel independently driven electric vehicle torque distribution control system. The method comprises the following steps of (1) acquiring a driver operation action signal and vehicle driving parameters in real time, and after pre-processing the acquired data, storing the data; (2) according to the data acquired in the step (1), identifying the current driving intention of a driver; (3) according to the driving intention identifying result, adopting a corresponding control policy to control, and according to the control policy, sending a torque control order to each driving motor. The system comprises a data acquiring module, a driving intention identifying module and a torque distribution control module which are sequentially connected. Compared with the prior art, torque can be reasonably distributed to four wheels according to the driving intentions of the driver, such as ordinary acceleration, fast acceleration and turning driving, the energy utilization of the finished vehicle is improved, meanwhile, the driving stability of the vehicle under a limited condition can also be improved, and the advantage of independent driving is fully played.

The invention discloses a device and a method for preparing hydrogen through temperature controlled continuous decomposition of hydrogen sulfide, belongs to the technical field of hydrogen preparation and gas purification, and relates to a dielectric barrier discharge temperature controllable plasma generating device and a method for preparing hydrogen through continuous and stable ionizing decomposition of a hydrogen sulfide gas or a gas containing hydrogen sulfide by using the device. The device is characterized in that a reactor has a coaxial sleeve type structure, a cylinder of the reactor is made of an insulating medium, a central electrode is formed by a metal, a grounding electrode is formed by a temperature controllable circulating liquid, and decomposed sulfur is separated through temperature control, so that continuous and stable operation of preparing the hydrogen through the decomposition of the hydrogen sulfide is ensured. The invention has the advantages that the method is suitable for preparing the hydrogen and elemental sulfur by dissociating the gases containing the hydrogen sulfide in chemical industries of natural gas, petroleum and coal; and the method does not have special requirement or limitation for the source and the composition of the gases, so the method has universal applicability for preparing the hydrogen and the elemental sulfur through the decomposition of the hydrogen sulfide.

A wireless sensor network routing method based on energy equalization and distance cooperation relates to data fusion and routing technique of wireless sensor network, and is typically used for clustering routing technique. According to a given regulation, the sensor nodes in the wireless sensor network are divided to cluster head node, relay node and cluster member node. The energy consumption of whole wireless sensor network is fully equalized and the effective usage factor of energy is increased. An energy threshold LT is introduced for realizing the smooth transition of roles between nodes, saving the cluster generation time and reducing the energy consumption. Single-hop communication is adopted in the cluster. Direct sequence spread spectrum is applied. Each cluster uses a unique cluster spreading code. All nodes in the cluster use the unique cluster spreading code for transmitting data to the cluster head and the inter-cluster interference is effectively reduced. The method of the invention can obtain purpose of prolonging the survival time of network under the precondition that the information data is reliably, effectively and accurately transmitted to the base station.

The invention discloses a position-information-based device-to-device (D2D) clustering multicast method in a cellular network. The method comprises the following operation steps that: terminals upload own geographical position, transmission distance and residual energy information to a base station; the base station clusters the terminal by using a geographical-position-based clustering method according to the obtained information of all the terminals in a D2D area, and transmits clustering information to all the terminals; and after all the terminals receive the clustering information, two-hop transmission is realized by adopting a multicast transmission mode to ensure that all the terminals in the area can reliably receive data from a source terminal. According to the method, network layer topology and a multicast transmission technology are combined, so that the method is low in computational complexity, easy to implement and quite favorable for the realization of D2D communication in the cellular network, a D2D communication effect in a scenario with a plurality of terminals is greatly improved, the transmission energy consumption of the terminal is reduced to a certain extent, an energy utilization rate is increased, and terminal running time in the D2D communication is prolonged. The method has broad popularization and application prospect.

The invention provides a high-frequency coil structure which can produce six silica cores and other crystal materials simultaneously, relating to the technical field of high-frequency coils. The high-frequency coil structure comprises a radial shunt trough (14) which is used for diversion of current (15), and six internal holes (8), wherein, one internal hole is arranged at the middle part and other five internal holes are uniformly distributed around the middle internal hole in a petal-shape; an inclined opening (13) at one side of a copper pipe A(11) for conveying current and cooled water and a copper pipe B(12) for conveying current and cooled water is connected and communicated with the middle internal hole; the radial shunt trough extends out from the middle internal hole to a position between every two internal holes except the inclined opening; the inclined opening is connected with the middle internal hole; and the radial shunt trough is radially distributed between every two peripheral internal holes by the middle internal hole, thus leading the current to uniformly run by surrounding the six internal holes under the shunt effect of the shunt trough during the running process and achieving the objects that the current is uniformly distributed around the six internal holes.

The invention discloses a positioning information assisted beam control method based on an intelligent reflecting surface. The intelligent reflecting surface can calculate and adjust the parameters ofthe intelligent reflecting surface according to the beam direction information transmitted by a base station, and enables a beam to point to a serving user terminal; the intelligent reflecting surface can perform parameter configuration efficiently, and achieves the precise beam control; in addition, a base station does not need to know complete channel state information, the base station realizes accurate positioning of the user terminal according to the results of corresponding angle estimation and flight time estimation; under the assistance of positioning information, the accurate controlof beams can be realized, the overhead of beam control can be effectively reduced, and the energy utilization rate of the system is improved. The positioning information assisted wave beam control method based on the intelligent reflecting surface is wide in application range, and is suitable for millimeter wave communication, terahertz communication and free space optical communication.

The invention relates to a comprehensive utilization synthesis process of natural gas employing methanation of coke oven gas, belonging to the technical field of new energy utilization. The process comprises the following steps: compressing coke oven gas, preliminary cleaning, removing sulfur, performing first section methanation, performing second section methanation and separating natural gas toprepare natural gas which reaches the grade A technological requirements of natural gas national standard (GB17820-1999). The synthesis process of natural gas employing methanation of coke oven gas reaches the aim of high effective comprehensive utilization of natural gas and provides a new way of preparing and synthesizing natural gas.

The invention discloses a high-frequency coil structure capable of simultaneously producing seven silicon cores and other crystalline materials, and relates to the technical field of the high-frequency coils. The high-frequency coil structure comprises a radial splitter box (14) for guiding current (15), and seven inner bores (8) one inner bore of which is arranged at the middle part of the high-frequency coil and six inner bores of which are evenly distributed around the inner bore at the middle part in a petaline shape; an oblique opening (13) arranged on one side of a current delivery and cooling water delivery copper pipe A(11) and a current delivery and cooling water delivery copper pipe B(12) is in through connection with the inner bore at the middle part; and the radial splitter box extends outwards to the position between every two inner bores except for the oblique opening from the inner bore at the middle part. The oblique opening is connected with the inner bore at the middle part, and the radial splitter box is radially distributed at the position between every two peripheral inner bores by the inner bore at the middle part, which causes the current to evenly surround the seven inner bores for running under the current splitting action of the splitter box while the current is running, thus realizing the purpose that the current is evenly distributed around the seven inner bores.

The invention discloses a high-frequency coil structure capable of simultaneously producing eight silicon cores and other crystalline materials, and relates to the technical field of the high-frequency coils. The high-frequency coil structure comprises a radial splitter box (14) for guiding current (15), and eight inner bores (8) one inner bore of which is arranged at the middle part of the high-frequency coil and seven inner bores of which are evenly distributed around the inner bore at the middle part in a petaline shape, an oblique opening (13) arranged on one side of a current delivery and cooling water delivery copper pipe A(11) and a current delivery and cooling water delivery copper pipe B(12) is in through connection with the inner bore at the middle part; and the radial splitter box extends outwards to the position between every two inner bores except for the oblique opening from the inner bore at the middle part. The oblique opening is connected with the inner bore at the middle part, and the radial splitter box is radially distributed at the position between every two peripheral inner bores by the inner bore at the middle part, which causes the current to evenly surround the eight inner bores for running under the current splitting action of the splitter box while the current is running, thus realizing the purpose that the current is evenly distributed around the eight inner bores.

The invention relates to an experimental apparatus for acquiring large-area uniform discharge plasmas, which belongs to the technical field of plasmas. The experimental apparatus comprises a bipolar nanosecond pulse power supply, a reactor, multi-needle-to-plate electrodes, a gas distribution system, a spectral measurement system and a discharge measurement system, wherein the bipolar nanosecond pulse power supply drives dielectric barrier discharge of air and other gas mixtures among the multi-needle-to-plate electrodes in the reactor, and the gas mixtures are input to the reactor through the gas distribution system; the spectral measurement system collects photonic information of plasma discharge in real time and inputs the photonic information to a computer for spectral analysis; and the discharge measurement system collects discharge voltage and current of the high-voltage nanosecond pulse power supply in real time, and the discharge voltage and current are displayed through a digital oscilloscope. By virtue of the bipolar nanosecond narrow-pulse power supply, the large-area discharge plasmas are generated without a magnetic field; and the generated plasmas are uniform, diffusive, high in electron density, high in energy utilization ratio, low in energy consumption and easy to control in a discharge process.

The invention relates to a topology control method for wireless sensor network based on uneven cluster, belong to sensor technical field, comprising: during the topology generating stage, introducing an uneven minimum mean square subtraction clustering mechanism on a finished cluster in order to reduce energy consumption of in-cluster node; using a strategy based on cluster head energy consumption for setting cluster head changing time, in order to equalize energy consumption on each cluster head node in the network; establishing a cluster head-cluster head energy sensing route, in order to avoid remote wireless transmission; during topology maintenance stage, using a cluster head selection scheme based on node surplus energy and in-cluster node distribution, and using the same strategy to set cluster changing time. With the realization of the method, it can reduce total network energy consumption and equalize energy consumption on each node, in order to prolong cooperative working time of most nodes in the network.

The invention discloses an air conditioner indoor unit capable of supplying air up and down and a control method thereof. The air conditioner indoor unit comprises an air conditioner casing, wherein an upper volute fan and a lower volute fan are arranged up and down and side by side in the casing, an upper air inlet and an upper air outlet are arranged on the upper volute fan, a lower air inlet and a lower air outlet are arranged on the lower volute fan, the upper air inlet and the lower air inlet are oppositely arranged on the side portion of the upper volute fan and the side portion of the lower volute fan respectively and are connected with a casing air inlet grille, heat exchangers are arranged between the air inlet grille and the upper air inlet and between the air inlet grille and the lower air inlet, and the upper air outlet and the lower air outlet extend to an upper air outlet grille of the casing and a lower air outlet grille of the casing respectively and are connected to form an induced air channel. By the aid of the air conditioner indoor unit and the control method, high efficiency refrigeration and heating with low wind are achieved, the hot air can be easily sent to the bottom space of a room, the comfort of an air conditioner is improved, and the use ratio of the heating capacity of the air conditioner is also improved, so that energy conservation and environmental protection are achieved.

The embodiments of the invention disclose a vehicle energy control method and device of a vehicle, the vehicle and a storage medium. The vehicle energy control method comprises the steps: the surpluselectric quantity of a power cell at the current moment is obtained, and according to the surplus electric quantity and the surplus electric quantity threshold, a first output power standby value of afuel cell engine is determined; based on a heat management power threshold value, the unit time output power and the minimum output power of the fuel cell engine, a second output power standby valueof the fuel cell engine is determined; according to the vehicle required power, the maximum discharge power of the power cell, the first output power standby value and the second output power standbyvalue, the target output power of the fuel cell engine at the current moment is determined; and based on the working state of the power cell, the vehicle required power, the target output power and the maximum working power of the power cell at the current moment, the target working power of the power cell at the current moment is determined. The vehicle energy utilization rate is increased, and the vehicle energy consumption rate is decreased.

The invention discloses a frog jump robot. A motor is used as a power element; devices such as an overrunning clutch, a gear toothed belt and the like are used as transmission mechanisms; a slide block can move on a guide rail under the drive of the motor through the transmission devices; and double legs of the robot stretch or retract under the drive of the slide block so as to finish jump motion. After the robot jumps, the double legs immediately retract to perform air posture adjustment, and the double legs are fully retracted by using self gravity potential and kinetic energy at the monument of landing to perform posture adjustment again. The energy utilization rate of the power element is improved, reclamation and reutilization of energy during jumping are realized, the flexibility of the robot is increased, and the jumping capability of the robot is promoted.

The invention discloses an efficient machine for desalting sea water. The efficient machine for desalting sea water mainly comprises a sea water desalting device and a water supply tank, wherein the sea water desalting device comprises a high-pressure water chamber, a heat exchange chamber, a pipe sheet, a transversely fluted tube, an sprayer, a heat exchange surface, a film forming device, a baffle and a plurality of heat pipes; and a sewage draining cooling pipe and a desalted water cooling pipe are arranged inside the water supply tank. According to the efficient machine for desalting sea water, the technology of using smoke to release heat on high-speed spraying by an orifice spraying method is adopted, so that the heat transfer coefficient of the device is improved; the technology of using the excess heat of the smoke is preheated on the sea water, so that the smoke is secondarily used in the device, and the energy use ratio of the device is improved; the two-stage preheating technology of the fed material sea water is adopted, so that the temperature of the preheated sea water is raised; and the technology of using the film forming device to form rotary water film at the heat exchange surface of a round table body is adopted, so that the heat transfer effect and the evaporation effect of a water side are effectively improved. Therefore, the efficient machine for desalting sea water has the advantages of high energy use ratio and good heat transfer effect, and is suitable for the demands of places, such as ships, islands and enterprises on middle or small sea water desalting devices.

The invention discloses a motor twin trawling platform used for a motor test. The motor twin trawling platform used for the motor test comprises a transformer, a rectifier, a filter, a tested motor, a master control system, a load motor, a coupler and two motor control systems. The rectifier is connected with the transformer, two ends of the filter are respectively connected with two output ends of the rectifier, a tested motor control system and a load motor control system are both connected with the filter, the load motor is connected with the load motor control system, a tested motor output shaft is connected with an output shaft of the load motor through the coupler, and the tested motor control system and the load motor control system are both connected with the master control system. The whole system of the motor twin trawling platform used for the motor test can be miniaturized, the motor can be output through random torque so as to enable the motor twin trawling test to be diversified, electricity is saved, and efficiency can be obviously improved.