99results about How to "Avoid underutilization" patented technology

The invention discloses a computer simulation performance computation method of a refrigeration system under a frosting working condition. The computer simulation performance computation method comprises the following steps of respectively establishing a wet air physical property computing module, a coolant physical property computing module, a condenser structure computing module, an evaporator structure computing module and an evaporator frosting computing module; and establishing a refrigeration circulation system computing module. On the basis of simulating the variation of a frost layer of an evaporator, the variation of the whole refrigeration circulation operation situation is caused due to the variation of evaporation temperature. Through the computer simulation performance computation method disclosed by the invention, design can effectively avoid the system abnormal work risk due to frosting; simultaneously, effective geographic data is effectively provided for defrosting control of a refrigeration system, and the refrigerating output and the energy efficiency ratio of the refrigeration system are more effectively improved. Computing time is subjected to uniform step length partition firstly, and complex iteration computation is carried out on the structure and heat exchange parameter in a program by utilizing computer accessory appliances. The method in the invention realizes the dynamic simulation of a whole system under the frosting working condition.

The invention discloses a preparation method of a Li5FeO4 pre-lithiation agent. The preparation method comprises the steps of: (1) dissolving ferric salt and polyvinylpyrrolidone in an organic solvent, uniformly mixing the ferric salt and polyvinylpyrrolidone and then placing the mixture in a high-pressure reactor for reaction, and cooling, washing, filtering and drying a product of the reaction to obtain nanometer Fe2O3; and (2) mixing the nanometer Fe2O3 obtained in the step (1) and lithium hydroxide uniformly, performing ball-milling on the mixture, sintering the mixture after ball-millingin an inert gas atmosphere, and carrying out cooling to obtain Li5FeO4. The invention further provides a preparation method of a lithium ion capacitor adopting L5FeO4 pre-lithiation. The prepared L5FeO4 does not have strict requirement for the environment and can be coated together with a positive electrode material, the operation is simple, the pre-lithiation degree of a negative pole piece is controllable, the effect is obvious, the pre-lithiation can be realized under the existing lithium-ion battery manufacturing condition, and the production cost can be greatly reduced.

The invention relates to a new construction and reconstruction planning cooperative optimization method for main equipment in a power distribution network. The method comprises the steps that (1) an equipment topological connection relation index and a main equipment operational state level index of the power distribution network are set, and the power distribution network is divided into a plurality of reconstruction subregions through a construction subregion partitioning algorithm based on power distribution network topological structure clustering; (2) the power supply capacity, the power supply abundant degree and other indexes of the power distribution network are evaluated for new construction and reconstruction projects in all the subregions; (3) by combining the characteristics of reconstruction of the power distribution network and the characteristics of new extension projects, on the basis of the power supply capacity evaluation index of the power distribution network, a cooperative optimization objective function and a cooperative optimization mathematic model for new construction and reconstruction of the main equipment in the power distribution network are set; (4) construction time sequences of the new construction and reconstruction projects in the reconstruction subregions are subjected to random sorting to form a plurality of construction time sequence schemes for the new construction and reconstruction projects. According to the cooperative optimization mathematic model, with respect to objective function values of different time sequence schemes, the scheme with the maximum objective function value is selected and serves as a recommended scheme for the construction time sequences of the new construction and reconstruction projects.

The invention relates to the technical field of traffic signal control and discloses a multi-scene vehicle priority adaptive traffic signal control system and a working method thereof. The system creates bus priority control suitable for multiple scenarios (including bus lanes and mixed lanes), not only ensures bus priority to the utmost extent in the event of normal traffic flow at an intersection, but also avoids deteriorated traffic circulation at the intersection due to the bus priority, ultimately improves the operational efficiency of the entire traffic, and has high economic and socialbenefits. In addition, special vehicle priority control can be carried out for the occurrence of special vehicles at the target intersection, the absolute priority can be given to the special vehicles, and the demand of the special vehicles for passing through the target intersection without stop can be satisfied as much as possible so as to achieve timely special treatment for special cases.

The embodiment of the invention discloses a data transmission method and a data transmission device for private network communication. The method comprises the following steps of: acquiring a data transmission identifier of a terminal, wherein the data transmission identifier is used for indicating a standard transmission time length within which data is transmitted in a current transmission period to the terminal, wherein the standard transmission time length is the sum of a data transmission time length and preset guard time; resolving the data transmission identifier to obtain the position of the standard transmission time length within which the data can be transmitted by the terminal in the current transmission period; and when the standard transmission time length within which the data can be transmitted by the terminal is determined to be reached, and the terminal is in a data transmission service state, starting transmitting the data. According to the embodiment of the invention, the problems of low channel resource utilization rate and incapability of ensuring the data transmission period of the terminal in the prior art can be solved.

The invention provides a telescopic component. The telescopic component comprises a link mechanism and a driving mechanism, wherein the link mechanism comprises a left oscillating bar, a right oscillating bar, two middle links which are respectively and correspondingly connected with tail ends of the left and right oscillating bars through head ends of the middle links and are hinged with each other, two tail-end links which are hinged at tail ends of the two middle links, and a tail-end connecting seat which is connected with tail ends of the two tail-end links; and the driving mechanism comprises a motor oscillating bar, the head end of the motor oscillating bar is connected with the rotating shaft of a motor, and the tail end of the motor oscillating bar is connected with the left oscillating bar or the right oscillating bar, so that the tail end connecting seat makes rectilinear motion under driving of the motor. According to the telescopic component, the link mechanism and the driving mechanism are in matched transmission, and the links are arranged into thin flake shapes, so that more assembly space is not needed, and the utilization of the space inside the drawer cabinet is improved.

The invention discloses a method for optimizing a wireless network topology structure. The method comprises the following steps of: acquiring the number of switching times of a wireless terminal between wireless receiving equipment and wireless transmitting equipment, and multiplying the number of switching times by a signaling overhead coefficient to obtain a migration amount between the wireless receiving equipment and the wireless transmitting equipment; establishing corresponding points of the wireless receiving equipment and the wireless transmitting equipment; dividing the corresponding points into groups the number of which is the same as that of lower-layer control units; calculating the sum of network capacity parameters of corresponding points of each group and the sum of migration amounts of adjacent corresponding points of different groups in each dividing mode; and when the sum of the network capacity parameters is the most average and the sum of the migration amounts is the minimum, determining the dividing mode to be optimal. The invention also discloses a system for optimizing the wireless network topology structure. According to the method and the system, the signaling overhead brought by switching of the wireless terminal between the wireless receiving equipment and the wireless transmitting equipment is acquired, and the wireless receiving equipment and the wireless transmitting equipment are combined with the capacities of control units on each layer to optimize the wireless network topology structure, thereby improving the network quality at a macro level.

The invention discloses an automatic material conveying device of a laser cutter. The automatic material conveying device comprises a cutting table, wherein a feeding roller is arranged on one side ofthe upper side of the cutting table; a discharging roller is arranged at the other end of the upper side of the cutting table; a conveyor roller is arranged on the upper surface of the cutting table;the transfer roller is rotatably connected to the cutting table through a rotary shaft; a conveyor belt is arranged on the surface of the conveyor roller; a sliding transverse rod is arranged on theupper side of the cutting table; the sliding transverse rod is slidably connected to the cutting table through a chute; and a cutting head is arranged on the upper side of the sliding transverse rod.By arranging fixing blocks on the conveyor belt, the positions of the fixing blocks on the conveyor belt are adjusted according to the width of a material when the material is conveyed, so that the material is tightly compacted and fixed between the fixing blocks, the material transferred on the conveyor belt is prevented from swinging, and the phenomenon that the material cannot be utilized fullyas the cutting heads deviate during cutting is avoided.

The invention discloses a preparation method of modified recombinant egg white liquid, and belongs to the technical field of food processing. The method comprises the following steps of compounding and recombining salted duck egg white, egg white and water, performing modification by an ultrasonic-assisted hydrophilic colloid, and performing sterilization and packaging to prepare the modified recombinant egg white liquid with high nutritive value and excellent gel property. Efficient and value-added utilization of the salted egg white without desalination treatment is realized, the productioncost is greatly saved, and the application range in food processing is widened.

The invention provides a matching method and system for a transmitting capability of a STA (Station) and an AP (Wireless Access Point). The method and the system are applied to a WLAN network. The method comprises the steps of obtaining parameters of the STA and the parameters of each candidate AP which will be accessed by the STA; calculating a bandwidth utilization rate of each candidate AP which will be accessed by the STA according to the parameters of the STA and the parameters of the candidate APs; calculating a spectrum resource utilization rate of each candidate AP which will be accessed by the STA according to the parameters of the STA and the parameters of the candidate APs; calculating comprehensive transmission capability matching degree of each candidate AP which will be accessed by the STA according to the bandwidth utilization rates and the spectrum resource utilization rates; and selecting the candidate AP with the highest comprehensive transmission capability matching degree as the accessing AP of the STA. According to the method and the system, the matching degree of the STA and the AP is ensured, so that the resource utilization degree of the whole WLAN network is improved, and the throughput and the maximum accessing number of users of the network are improved.

The file clustering method based on self-organization mapping network comprises: finding out all the selected files; initiating the output layer of the network as ring structure to divide it equally at least into two parts with every sector as a neuron; calculating R2 clustering criterion factor of current output layer; deciding whether the said factor more than the threshold mu, if yes, stopping the training and classifying the file according to current self-organization mapping network; or else, finding out the neuron with maximal RSS in class to interpolate a new neuron, then training all neurons of current output layer. This invention can self-adapt the input file data and fixed structure and other incidental problems.

Disclosed is a drying facility for tea leaf production and processing. The drying facility for tea leaf production and processing comprises a machine box body. An air supply motor is installed in themiddle of the top end of the machine box body, a driving motor is fixedly arranged at the bottom of the interior of the machine box body, and a speed reducer is arranged between the air supply motor and the machine box body. An exhaust pipe is connected with the side, close to the air supply motor, of the top end of the machine box body, a dust removal fan is fixedly arranged on the side, close tothe driving motor, of the interior of the machine box body through bolts, and one end of the exhaust pipe is connected with a waste heat recovery device. According to the drying facility for tea leafproduction and processing, due to the fact that the waste heat recovery device is arranged, recovery of waste heat of exhaust gas is achieved, the problems that due to direct exhaust of the exhaust gas, the loss of the heat in the exhaust gas is caused, and energy sources cannot be sufficiently utilized are solved, and the purpose that energy conservation and environmental protection of the drying facility can be better conducted is achieved; and due to the fact that the dust removal fan is arranged, removal of dust inside the machine box body is achieved, the problem that the labor intensityof manual cleaning is high is solved, the working efficiency of workers is improved, and the processing efficiency and the processing quality of the drying facility are guaranteed.

Disclosed is a method for designing an electromagnetic radiation sensitivity control magnitude of spacecraft equipment, comprising the following steps: 1) judging the stage of development of a spacecraft, and calculating a maximum field strength Es corresponding to the stage; 2) determining a critical category of the equipment; 3) determining a safety margin SM according to the critical category of the equipment; and 4) calculating the radiation sensitivity control magnitude ERS=Es+SM according to the maximum field strength Es and the safety margin SM. The method effectively adapts to the state of different design and development stages of the spacecraft; on the other hand, the method adapts to the actual state and key of a design object on the spacecraft.

The invention discloses a cement production process, and in particular relates to a process for producing cement clinkers by straws instead of partial fuel coals, belonging to the technical field of cement production. The straws are input through a predecomposition kiln after mechanically crushed and processed, and the cement clinkers are produced by the straws instead of partial fuel coals; and smoke gas generated by burning the fuel coals and the straws in a mixing mode, a part of which is processed and exhausted through a novel wet-process cement kiln clinker production process route, and the other part of which is exhausted by virtue of cooling and dust removal through air exhaustion of a bypass air exhaustion pipeline arranged on a smoke chamber between the predecomposition kiln and a rotary kiln. By using the process, rich straw resources are fully utilized, so that the straw utilization rate is improved, precious coal resources are reduced, and an adverse effect that a poor cement production system is caused by substances such as potassium sulphate, sodium sulfate and potassium chloride generated by virtue of reaction of chlor-alkali compounds of the straws serving as a part of fuels is overcome.

The invention discloses a feeding and waste recycling integrated feeding device which comprises a discharging mechanism, a waste recycling mechanism, and a shifting feeding mechanism. The waste recovery mechanism is arranged opposite to the discharging mechanism; the shifting feeding mechanism is arranged between the discharging mechanism and the waste recycling mechanism; the shifting feeding mechanism comprises a feeding rack, a shifting assembly and a shifting driver, the feeding rack is fixedly arranged, the shifting assembly and the shifting driver are arranged on the feeding mechanism, the power output end of the shifting driver is in transmission connection with the shifting assembly, and a blanking and cutting mechanism is arranged at the downstream of the shifting assembly; the feeding rack is provided with a material belt guide plate, and a material belt conveying guide rail extending in the straight line direction is arranged on the material belt guide plate. And the waste recovery mechanism is in butt joint with the material belt conveying guide rail. According to the device, tight and efficient cooperation of unwinding, cutting, transferring, feeding and recycling integration is achieved, the cutting precision and the feeding efficiency of workpieces are improved, and finally the production efficiency is improved.

The invention discloses an intelligent rural e-commerce transaction platform and an application method thereof. The intelligent rural e-commerce transaction platform comprises an agricultural product storage cabinet, a code scanning control device and a self-service shopping transaction platform; the agricultural product storage cabinet comprises a cabinet body divided into a plurality of storage boxes; each storage box is divided into a front containing box and a rear containing box; and an object placing plate is arranged in each front containing box; the code scanning control device comprises an identification code module, a main controller, a touch display screen and an information storage module; and the self-service shopping transaction platform comprises a processor connected to the main controller, an agricultural product information acquisition module used for acquiring the information of agricultural products required to be sold by each seller, and a shopping data collection module used for storing information of the buy of each buyer and the sell of each seller. According to the intelligent rural e-commerce transaction platform and the application method thereof of the invention, the cabinet body is adopted; the buyers and the sellers complete transactions on the self-service shopping transaction platform; purchased agricultural products are distributed into the cabinet body, and then distributors are notified to distribute the purchased agricultural products; and therefore, the middle price spread links of transactions between farmers and urban residents are reduced, a win-win situation is achieved, and great convenience is brought to the farmers in selling agricultural products and the urban residents in buying agricultural products.

The invention relates to a rapid dismounting and mounting circulation strip board cutting combined box body and an assembling method thereof. The combined box body is composed of a strip-shaped board and a corner connecting strip; the strip-shaped board comprises a plane board or curve corrugated board, connecting plugs at the two ends of the strip-shaped board are in a T shape or the connecting plugs at the two ends are in a shape of single dovetail or dual dovetail or the connecting plugs are reverse connecting plugs with one end with the single dovetail or dual dovetail, and the other end with a 90-degree bent connecting groove or a T-shaped connecting joint is arranged at one end of the strip-shaped board, and the 90-degree connecting groove is formed in the other end of the strip-shaped board; the corner connecting strip is composed of the connecting grooves at the two ends and a bending face connected with the connecting grooves. The assembling method comprises the steps of firstly, material preparing; secondly, discharging; thirdly, cutting the strip-shaped board in the second step; fourthly, assembling a first strip-shaped board block and a second strip-shaped board block; fifthly, connecting the head and the tail of the strip-shaped board to form a cylindrical box wall in a defined manner. The box body and the method have the beneficial effects that changeability is high, the box body is variable in shape and size, packaging is rapid, and the box body is convenient and applicable.

The invention discloses a rotor punching sheet for a permanent magnet motor and a rotor which is formed by a plurality of the rotor punching sheets being pressed in an overlapping mode. The rotor sheet for the permanent magnet motor comprises a plurality of magnetic steel grooves which are the same. Each magnetic steel groove comprises an axial groove which is formed along the axial direction of the rotor punching sheet and a horizontal groove which is vertical to the axial groove, an end portion of each axial groove is connected and communicated with the middle portion of a horizontal groove, a connecting portion is arranged inside each axial groove along the axial direction of the rotor punching sheet, each connecting portion penetrates through each axial groove to divide each magnetic steel groove into two L-shaped auxiliary magnetic steel grooves, and the axial part of each L-shaped auxiliary magnetic steel groove is communicated with the horizontal part of each L-shaped auxiliary magnetic steel groove. Through the method of changing the shapes of the magnetic steel grooves, the number of magnetism insulating bridges is reduced, useless magnetic flux leakage is lowered, the phenomenon that use ratio of permanent magnet materials is low due to the fact that flow of magnetic flux leakage of a permanent magnet is large is avoided, and mechanical strength of the rotor punching sheet is also improved through groove division processing of the magnetic steel grooves.