26results about How to "Improve effective use" patented technology

The invention relates to the technical field of meteorology and hydrology, and discloses a short and temporary rainfall forecasting method and system based on a raindrop spectrometer and a meteorological radar, and the method comprises the steps: carrying out the preprocessing of radar echo image data and raindrop spectrometer data; quantitatively estimating a radar reflectivity factor according to the raindrop spectrometer data; extrapolating radar echo image data based on an optical flow method and a UNet network model, and extrapolating a radar reflectivity factor based on an LSTM network model; performing dynamic regression on the extrapolated radar echo image data to obtain the radar echo image data of the required prediction period; carrying out global correction on the radar echo image data of the required predicted period according to the radar reflectivity factor of the required predicted period obtained by extrapolation; and forecasting rainfall according to the radar echo image data after global correction. According to the method, radar echo image data can be closer to near-surface rainfall information, and the accuracy of rainfall forecast and the adaptability to complex and changeable meteorological data are improved.

The invention provides a flexible load-oriented day-ahead intra-day inter-group secondary cooperative regulation and control method, and belongs to the technical field of power flexible load scheduling control. The problem that active participation of user side flexible resources in power grid regulation and control is uncertain is solved; comprising the following steps: S10, obtaining related characteristic parameters and historical electric quantity data of user side flexible resources; s20, establishing a flexible resource evaluation index, dividing flexible resources into different flexible load clusters through an improved K-means clustering method, and forming a layered regulation and control framework of flexible loads after aggregation; s30, in combination with a day-ahead load prediction method, calculating the maximum adjustable capacity of user side flexible resources, and in combination with a parallel Markov chain model, preliminarily making a flexible load day-ahead scheduling plan; s40, tracking the load power change of the user side in the day in real time, and correcting the adjustment capacity in time based on a flood filling algorithm to realize secondary cooperative regulation and control of the flexible load cluster; the method is applied to a power system.

The invention provides a wind, light, fire and nuclear storage integrated scheduling architecture based on a complex and uncertain environment of a cold region power grid, and relates to the technical field of power grid system processing, the architecture comprises a data acquisition and monitoring layer, an analysis and decision layer, a control execution layer and an evaluation and optimization layer, the anti-freezing and deicing technology of the power transmission line effectively improves the reliability of equipment in severe environments such as low temperature and ice and snow, guarantees the stability of power transmission of a power grid, reduces equipment faults and power failure accidents caused by cold environment factors, enhances the anti-risk capability of the whole power grid, and improves the safety of the whole power grid. According to the method, characteristics and complementary relations of multiple energy sources of wind, light, fire and nuclear storage are comprehensively considered, peak regulation and frequency modulation analysis and decision making and integrated regulation and control analysis and decision making are carried out, and by constructing a reasonable operation scene and a scheduling model, optimal configuration and cooperative operation of power generation resources can be achieved under different operation conditions.

The invention discloses an MTBF accelerated identification test method suitable for a smart stadium machine room server, and the method comprises the steps: giving a qualitative conclusion for a plurality of key comparison factors of a new server and an existing server through similarity analysis, and carrying out the recognition of the new server according to the scoring result of an industry expert and the historical use time of the existing server; and obtaining the equivalent reliability test time of the server. Through an acceleration test method, after key environmental factors of the server are identified, conventional temperature cycle, vibration and temperature stress are converted into an equivalent acceleration stress profile based on an inverse power law, Arrhenius and a Cofen-Mansen model acceleration model, a reliability acceleration test is completed, and the equivalent reliability test time of the server is obtained. And completing MTBF lower confidence limit evaluation according to the equivalent reliability test time based on the similar product method and the equivalent reliability test time based on the accelerated test method, and judging whether the server passes a reliability identification test or not.

The invention relates to a universal auxiliary frame for a water elasticity ship model pool test and a use method. The universal auxiliary frame comprises a frame, the movable horizontal cross beam is connected with the frame supporting end face through a bolt in a horizontally adjustable manner; the vertical supporting rod is used for supporting the ship model and ensuring the stability of the ship model; the transverse gradienter and the longitudinal gradienter are respectively arranged at different positions of the frame and are used for ensuring the horizontal state of the frame. The frame is compact and reasonable in structure and convenient to operate, the frame is specially customized for the sectional type ship model, the structural safety and stability of the ship model in the hanging, transporting, equipment installing and testing processes are effectively improved through a firm and accurate supporting structure, and meanwhile in the testing process, the test efficiency is improved. The precision measurement system arranged in the frame can accurately monitor the swing period and the horizontal state of the ship model, and ensures the accuracy of the ballast position and the accurate correspondence between the ship model and the real ship mass distribution and the swing period.

The invention discloses a method for preparing high aspect ratio calcium carbonate whiskers by carbon fixation in steel smelting slag leachate, belonging to the technical field of solid waste resource utilization. The method comprises the following steps: leaching steel smelting slag to obtain calcium-magnesium leachate and leach slag; removing impurities from the calcium-magnesium leachate by a pH swing method to obtain a calcium-magnesium purified solution; capturing the gas containing carbon dioxide by an alkaline solution to obtain a carbonated solution; adjusting the pH of the calcium-magnesium purified solution to convert magnesium ions into magnesium hydroxide, placing the solution in an ultrasonic field, adding the carbonated solution to carry out a carbon fixation reaction, and washing and drying the precipitate obtained by the reaction to obtain calcium carbonate whiskers. The method not only successfully realizes the efficient resource utilization of two wastes, steel smelting slag and carbon dioxide flue gas, but also produces high value-added calcium carbonate whisker products while stably fixing carbon dioxide, and has broad application prospects and environmental value.

The utility model discloses a recirculating aquaculture device for sea grape cultivation, which comprises a sea grape cultivation pool, one side of the sea grape cultivation pool is fixedly connected with a reservoir, one side of the sea grape cultivation pool is fixedly connected with a seawater inlet, a cultivation bed is arranged between the inner walls of the sea grape cultivation pool, and a lifting assembly is arranged in the sea grape cultivation pool. A water pump is fixedly installed on one side of the sea grape cultivation pond, a filter box is fixedly connected to one side of the water storage pond, a connecting water pipe is fixedly connected between the water pump and the filter box, a water outlet pipe is fixedly connected to the output end of the filter box, and one end of the water outlet pipe extends into the water storage pond. The whole cultivation bed is driven by the lifting assembly to move in the sea grape cultivation pool, and due to the design, when sea grapes are harvested, an operator can take the cultivation bed away from seawater through the lifting assembly, the sea grapes are convenient to collect, manpower consumption is reduced, and practical efficiency is improved.

The utility model discloses a pneumatic conveying device for powder raw materials, and relates to the technical field of powder conveying. The pneumatic feeding device structurally comprises a feeding hopper, a pneumatic butterfly valve, a pneumatic feeding bin, a preparation conveying pipe and a feeding pipeline. The feeding hopper, the pneumatic butterfly valve and the pneumatic feeding bin are sequentially connected from top to bottom. The preparation conveying pipe is fixedly communicated with the lower end of the pneumatic feeding bin; and the feeding pipeline is mounted at the output end of the feeding pipeline. According to the utility model, the powder is pre-conveyed into the circular pipe butted with the feeding pipeline through the preparation conveying pipe, so that the time for starting to output the powder in the pneumatic feeding bin is effectively shortened under high airflow, and the conveying efficiency of the whole system is improved; the powder in the round pipe forms airtightness at the conveying front end, effective utilization of gas in the gas storage tank is improved, and energy waste is reduced. The two air storage tanks can be used alternately, the conveying frequency of pneumatic conveying of powder raw materials is increased, and the requirement for mixed and alternate conveying of various additives is met.

The invention relates to the technical field of waste resource utilization, and discloses a coupling type system and method for preparing copper powder through kitchen waste gasification-hydro-thermal synthesis, and a coupling reaction device in the system comprises a supercritical water gasification module and a supercritical hydro-thermal synthesis module which are sequentially arranged in a sleeving mode from outside to inside; a palladium membrane is arranged between the supercritical water gasification module and the supercritical hydrothermal synthesis module; the outer side wall of the supercritical water gasification module is coated with a heating unit; according to the invention, a supercritical water gasification reactor and a supercritical hydrothermal synthesis reactor are integrated together through a sleeve structure; pure hydrogen is separated from gasification products in the supercritical water gasification module through a palladium membrane, an expensive chemical reducing agent is replaced, effective utilization of kitchen waste slurry is effectively improved, and the utilization rate of conversion from waste to resources is achieved. And meanwhile, pure hydrogen is separated by using a palladium membrane and enters a supercritical hydrothermal synthesis module, so that introduction of impurities is avoided, and preparation of high-purity superfine copper powder can be realized.

The invention belongs to the technical field of agricultural equipment, and discloses an intelligent agricultural machine which comprises a rack, a placement box is fixedly mounted at the top end of the rack, seed sowing devices are fixedly mounted at the bottom end of the placement box at equal intervals, and a hopper is fixedly mounted at one end of each seed sowing device. According to the invention, more uniform covering and sowing are facilitated, the overall growth quality and yield of crops are improved, sowing work is completed by means of gas power instead of mechanical power, more efficient sowing efficiency can be achieved, dependence on machinery is reduced, energy consumption is reduced, and environmental protection is facilitated; meanwhile, the device is beneficial to centralizing the seeds and burying the seeds into more stable positions, and the contact area between the seeds and soil is increased, so that better rooting and germination conditions are provided for the seeds, the seeds can be sown more effectively in various soil textures, and the universality and adaptability of the device are improved.

The application belongs to the technical field of low-carbon cement materials, and particularly relates to a low-carbon production process and system of high belite cement clinker, wherein the low-carbon production system comprises a raw material pretreatment module, a clinker firing module, a flue gas control module and a product detection module; in the application, traditional limestone and paper mill filter residue are used as calcium raw materials, coal cinder and coal gangue are used as aluminum / silicon raw materials, phosphogypsum is used to completely replace natural gypsum as sulfur raw material, copper residue is used to adjust iron material, and finally, calcium fluoride sludge is used to replace fluorite, so that the effective utilization of solid waste is improved, resources are saved, and the adverse effects of solid waste on the surrounding environment are reduced; in the calcination process, low-temperature staged calcination is adopted, the calcination temperature is controlled to be 1200-1300 DEG C, and staged temperature rising is adopted; compared with the traditional portland cement calcination temperature, the temperature is 50-100 DEG C lower, energy consumption and carbon dioxide emission are effectively saved, and the theme of energy saving and environmental protection is met.

The invention relates to a composition for preparing an antireflection film liquid for photovoltaic glass. The composition comprises a nano material with light antireflection capability; a nanometer material with infrared reflection capability; the invention also relates to an antireflection film liquid for photovoltaic glass, which contains the composition, a method for preparing the photovoltaic glass by using the antireflection film liquid, and the photovoltaic glass prepared by using the antireflection film liquid and the method provided by the invention.

The invention relates to the field of sewage treatment agent feeding, and discloses a CNN-BiGRU-based sewage treatment agent feeding concentration control method, which comprises the following steps: S10, collecting data of sewage treatment agent feeding concentration; s20, carrying out preprocessing on the collected data; s30, performing feature extraction on the data by using a convolutional neural network; s40, taking the features extracted by the convolutional neural network as an input sequence, and inputting the input sequence into a bidirectional gating circulation unit for sequence modeling; s50, according to the trained model, performing drug delivery concentration prediction on new input data; and S60, in combination with the data monitored in real time, a feedback control strategy is adopted to adjust the prediction result, and the control strategy is updated in real time. Sequence modeling is carried out by using the convolutional neural network and the bidirectional gating circulation unit, so that the characteristics in the sewage treatment process can be extracted more accurately, and the concentration of the put medicament can be predicted. Therefore, the agent feeding strategy can be optimized, and the sewage treatment efficiency and quality can be improved.

The utility model belongs to the technical field of hydroelectric power generation equipment, and discloses a variable speed vertical hydraulic generator of a submersible generator, which comprises a water head flow automatic monitoring device, a submersible vertical axial flow variable speed hydraulic generator set, a steel cable pipeline, an intelligent control device, a converter device, a hydraulic system, a trash rack and a water inlet gate. According to the utility model, transmission devices such as gears, belts and couplings are not needed, so that the efficiency loss is reduced, and vibration and noise generated by the transmission devices and faults generated by the transmission devices are eliminated; the generator set is operated by adopting a variable-speed constant-frequency technology, can be widely applied to hydropower stations with large water head amplitude, improves effective utilization of water energy, is of an integral structure, does not need a plant, is small in occupied area, is not afraid of flood submerging, is integrally hoisted, is simple and quick to install, and is short in installation period; and the operation working condition of the water turbine with partial load can be improved, maintenance is avoided, the service life is long, and the reliability is high.

The invention relates to the field of cloud computing, in particular to a cloud terminal desktop intelligent management system which comprises a cloud server, a gateway and an intelligent terminal, the cloud server and the intelligent terminal are connected through the gateway, and the cloud server comprises a server host, an operating system installed on the server and a client management system. The intelligent terminal comprises a terminal, an operating system installed on the terminal and a cloud desktop client program; the method has the advantages that the cloud architecture can utilize resources more fully, excessive hardware investment at a local end is avoided, office operation cost is saved, hardware upgrading pressure is avoided, and due to the fact that the cloud terminal is relatively simple in structure and low in failure rate, later maintenance cost is further reduced; therefore, the configuration of the terminal is simplified, the data security is improved, centralized management of resources is also facilitated, and the maintenance of the system is more convenient.

The invention provides a data-driven power retail package pushing method and device considering individual rationality, and relates to the technical field of power system operation. The method comprises the following steps: clustering historical load curve data of a plurality of power consumers, and determining the classification of each power consumer and the center load curve of each classification; based on a data driving method, utilizing the center load curve of each classification to construct a utility function of the power users under each classification, and based on the utility function, constructing individual rational constraints of the power users under each classification; establishing a package optimization model by taking benefit maximization of a power retailer as a target and considering individual rational constraints; and solving the package optimization model to obtain recommended packages corresponding to the plurality of classifications. According to the method, the rational selection behavior of the user is fully considered by constructing the individual rational constraint, the reasonable package is pushed to optimize the user experience, the selection of the user for the new package is accurately predicted, and the effective utilization of resources is facilitated.

The utility model provides a built-in efficient heat exchanger which comprises a heat exchange shell for storing a refrigerant and a heat exchange pipe for medium circulation and heat exchange, the heat exchange shell is provided with a heat exchange inner cavity, the heat exchange pipe is installed in the heat exchange inner cavity, the heat exchange shell is provided with a built-in integrated pipe set, the built-in integrated pipe set comprises an integrated liquid inlet pipe and an integrated liquid outlet pipe, and the integrated liquid inlet pipe is connected with the integrated liquid outlet pipe. The inner connecting end of the integrated liquid inlet pipe and the inner connecting end of the integrated liquid outlet pipe are connected to the heat exchange shell and extend to the heat exchange inner cavity, and the liquid inlet end and the liquid outlet end of the heat exchange pipe communicate with the integrated liquid inlet pipe and the integrated liquid outlet pipe in an integrated mode. The structure is simple, the heat exchange tubes made of different materials are effectively prevented from being directly welded on the heat exchange shell, and the pressure resistance of the product is improved; meanwhile, effective utilization pipe sections of the heat exchange pipes are increased, the heat exchange capacity of the heat exchanger is improved, and the product manufacturing cost is reduced.

The invention provides an audio device frequency response calibration method and device, a storage medium and electronic equipment, and is applied to the technical field of audio signal processing. The method comprises the following steps: acquiring a first frequency response difference curve of a to-be-tested audio device; according to the first frequency response difference curve, after it is determined that the to-be-tested audio device meets the frequency response calibration condition, a first extreme point in the first frequency response difference curve is identified, and the first extreme point represents the screened to-be-calibrated frequency response difference; on the basis of a preset frequency band division and bandwidth calculation rule, according to the frequency response difference value and the frequency corresponding to the first extreme point, filter parameters corresponding to the audio device to be tested are determined, and the frequency band division and bandwidth calculation rule is preset on the basis of human auditory characteristics and a production line production deviation distribution rule; and designing a filter based on the filter parameter, and calibrating the frequency response of the to-be-tested audio device. According to the invention, the calibration precision is ensured while rapid calibration is realized.

The present invention belongs to the technical field of yarn quality analysis, and specifically discloses a yarn durability quality detection simulation analysis method, comprising: performing yarn strength analysis, wear resistance analysis and climate analysis through yarn strength detection, wear resistance detection and climate detection, obtaining the yarn strength qualification index, wear resistance qualification index and climate resistance qualification index, and then analyzing the quality durability qualification index of the target yarn, and generating a yarn durability quality analysis report accordingly; the present invention performs a multi-dimensional comprehensive analysis of the yarn quality through yarn strength detection, wear resistance detection and climate detection, thereby improving the comprehensiveness of the yarn quality analysis results, thereby ensuring the reliability of yarn use, and at the same time, by analyzing the yarn weather resistance qualification index according to the climate simulation data of the yarn under various simulated climate conditions, the accuracy of the yarn outdoor performance evaluation is improved, thereby ensuring the stability of the yarn quality.

The present invention relates to a power module and a packaging integration method thereof, wherein the power module comprises a driving chip, a plurality of inductors, and an interconnection layer located between the driving chip and the plurality of inductors; the interconnection layer comprises a plurality of low dielectric insulating coatings and a plurality of wirings located thereon; the first wirings and the second wirings are arranged in different directions; one end of the plurality of inductors is electrically connected to a lead frame, and the other end of the plurality of inductors is electrically connected to the first wiring of the interconnection layer; the second wiring of the interconnection layer is electrically connected to the driving chip. The present invention reduces the parasitic capacitance in the power module, simplifies the layout and wiring of a multi-phase power supply, and effectively utilizes the inductor and capacitor materials.

This invention relates to the field of coating equipment technology, specifically disclosing a roller-type blind slot wet film coating device, including a base. A top cover is mounted on the four corners of the base's upper surface via supporting protrusions. Two electric cylinders are connected to the lower surface of the top cover via two sets of screw drive assemblies. The output ends of the electric cylinders face the base and are equipped with suction cups. A feeding platform, a dust-adhesive roller, a liquid storage tank, a drying area, and a material-retrieving platform are arranged horizontally on the upper surface of the base. In this invention, when the coating roller rotates, the insertion rods at different positions are sequentially positioned on the upper side, facilitating coating of blind slots at different locations on the circuit board. This eliminates the need for personnel to repeatedly reposition the circuit board when coating different blind slots. Furthermore, since the insertion rods are only inserted into the blind slots for coating, the resource waste caused by spraying coating liquid onto other parts of the windowed mesh plate in traditional solutions is avoided.

The invention discloses a collaborative office data processing method and device, and relates to the technical field of collaborative office, and the method comprises the steps: receiving form data; identifying a plurality of entities and relationships among the entities based on the form data; establishing a graph structure by taking the form version identifier and the plurality of entities as nodes and taking the relationship between the entities as edges; monitoring whether each table cell of the form is selected or not, and locking a first table cell when the first table cell is selected; receiving data transmitted by the first cell, associating the first cell with a first entity in the graph structure according to the rank of the first cell and the rank of the entity, and configuring the data transmitted by the first cell as the attribute of the first entity to obtain an updated graph structure; when the first cell is cancelled to be selected, the first cell is unlocked, and data transmitted by the first cell is displayed in the form; and storing the updated graph structure in a graph database. According to the invention, effective utilization of collaborative office data can be improved.

The application discloses a low-temperature preservation cabinet and a control method of a variable-frequency fan thereof, and belongs to the technical field of refrigeration of the low-temperature preservation cabinet. The low-temperature preservation cabinet comprises a cabinet body and a compressor chamber, and the compressor chamber is internally provided with a condenser, a variable-frequency fan, a compressor, an electric control box and a sensor; the condenser is fixed at the front part of the compressor chamber; the variable-frequency fan is fixed on the condenser; the electric control box is fixed at the right rear part of the compressor chamber and is connected with the compressor and the variable-frequency fan through a circuit. The method reduces the noise and energy consumption of the low-temperature preservation cabinet, prolongs the service life of the fan, reduces the maintenance rate of the low-temperature preservation cabinet and lowers the cost; the rotating speed of the fan of the low-temperature preservation cabinet is associated with the condenser temperature, the ambient temperature and the start-stop state of the compressor, the control method is various, different maximum rotating speed values are set according to the start and stop states of the compressor, the noise and energy consumption are reduced, the effective use of energy is better promoted, the cost investment is reduced, and the sustainable development is favorable.

The utility model relates to the technical field of automobile parts manufacturing technique discloses an oil immersion equipment for automobile parts manufacturing, including oil immersion frame, the one side fixed connection of oil immersion frame has the support block, the top fixed connection of support block has the motor, the output shaft of motor is fixedly connected with the lead screw through the shaft coupling, the outer wall movable connection of lead screw has the movable block, the one side fixed connection of movable block has the lifting plate. This oil immersion equipment for automobile parts manufacturing, through setting up the oil immersion frame, first pump body, oil pipe, oil tank, upper filter screen, oil drain pipe, oil outlet pipe, second pump body, oil inlet pipe, middle filter screen and lower filter screen, in the oil immersion work process to the gear in the automobile parts, can directly filter the oil after use, thereby facilitating the use of the filtered oil again, improve the effective use of resources, further improve the practicability of oil immersion equipment, thereby further satisfy the use demand of people.

The invention relates to the technical field of microbial agent treatment, in particular to a drainage basin bottom mud treatment microbial agent slow-release adding device which comprises a floating block used for floating on the water surface, a support is arranged on the floating block, and a material mixing barrel used for containing water is arranged on the floating block. The upper part of the mixing barrel is communicated with a feeding pipe for feeding a microbial agent; a stirring assembly; a feeding assembly; and an adjusting assembly. Through the arranged stirring assembly, a microbial agent can be uniformly dispersed in a water body and can be dissolved or diluted in the water body in advance to form a solution, and then the solution is uniformly put into a drainage basin water body; and through the arrangement of the feeding assembly and the adjusting assembly, in the process of slowly releasing the microbial agent solution, the microbial agent solution can be fed at multiple points of the drainage basin, the single-point feeding is not limited, the overall efficiency is high, the diffusion is good, the microbial agent in the whole drainage basin is dispersed, and the effective utilization of the microbial agent is improved.

The utility model relates to the technical field of line protection, and discloses a line protection structure convenient for heat dissipation, which comprises a right connecting piece, the side wall of the right connecting piece is fixedly connected with a buckling piece, the buckling piece is clamped with a left connecting piece, and the inner wall of the left connecting piece is provided with a cooling assembly. According to the line protection structure facilitating heat dissipation, the flow deflectors are pushed by water flow, the water flow is changed from straight-through to vortex, the vortex can improve the heat exchange efficiency between cooling liquid and a line and increase effective utilization of a heat transfer surface, and small protruding strips and protruding points on the flow deflectors can improve the friction and disturbance effect of the surfaces of the flow deflectors; furthermore, a flow guide groove is formed in the side wall of the cooling pipe, the flow guide groove is a spiral groove, the rotation direction of the flow guide groove is consistent with the rotation direction of the flow deflectors, the water flow vortex is guided, maintenance of the vortex is promoted, and the heat exchange effect of cooling liquid is guaranteed.