632results about How to "Versatile" patented technology

The invention discloses a waterworks double-coagulant accurate prediction method based on automatic machine learning, and the method comprises the steps: firstly obtaining the water quality data of a waterworks, the agent dosage data of two coagulants, and other basic data, and carrying out the preprocessing of the data; an automatic machine learning method is adopted, and a tap water double-coagulant dosage prediction model under the production condition is built; the model is optimized according to an actual effluent target value, and accurate prediction of the dosage of the two coagulants is realized by using the optimal model. According to the invention, accurate calculation and intelligent regulation and control of the dosage of the coagulant in the waterworks are realized, and the predictive capability of the double coagulant is particularly emphasized, so that the innovation point ensures that the effluent quality reaches the drinking water standard, meanwhile, the dependence on manpower is remarkably reduced, the operation cost and the medicament cost of the waterworks are saved, and the economic benefit is increased. And double improvement of economic benefits and environmental benefits is realized.

The invention discloses a lithium battery health state evaluation method based on deep learning, and relates to the technical field of battery evaluation. Comprising the following steps: acquiring a Nyquist curve graph of a lithium battery through an electrochemical impedance spectroscopy test, and mapping the Nyquist curve graph with internal impedance characteristic parameters one by one to generate a sample image set; and establishing a deep learning network model based on the sample image set, and training and generating a prediction model by taking the Nyquist curve graph as input and the internal impedance characteristic parameters as labels. And testing the to-be-evaluated battery, and inputting the target Nyquist curve graph to predict internal impedance characteristic parameters. And calculating a capacity retention ratio index, a cycle efficiency degradation index and a shape expansion influence index in combination with the electric power characteristic parameters. The indexes are comprehensively analyzed to obtain a health state comprehensive coefficient, and the health state comprehensive coefficient is compared with a health threshold value to judge the health state of the battery. According to the method, the evaluation precision is improved through deep learning, and efficient and accurate health state evaluation is realized.

The invention discloses a method for quantifying an important hydrological connected region of an estuary wetland, which comprises the following steps of: firstly, extracting a tidal creek surface grid image, defining a road-shaped water body in the tidal creek surface grid image as a road according to the tidal creek distribution condition of the estuary wetland, and creating vector data of a road center line by using a road center line method; processing the vector data to obtain a plurality of tidal creek line elements; determining a plurality of tidal creek plaques according to the tidal creek line elements, determining a distance threshold and a selection group score, calculating a possible connectivity index PC and an overall connectivity index IIC of each tidal creek plaque, and measuring the contribution degree of a certain tidal creek plaque to the overall hydrological connectivity of the region by using connectivity importance indexes CDiic and Cdpc. And finally obtaining a quantification result of the important hydrological connected region of the estuary wetland. According to the method, data are easy to obtain, the analysis method is universal, repeated manual processing work can be reduced to a certain extent, and a reliable analysis tool is provided for scientific research personnel.

The invention relates to the technical field of energy management and intelligent control, and provides a ground source heat pump system end load prediction and adaptive correction method and system.The method comprises the steps that a day-ahead load prediction model is built, and a day-ahead load prediction value is obtained through calculation; constructing a day-ahead load prediction deviation correction model to obtain a day-ahead load prediction deviation correction value; obtaining a day-ahead load prediction value vector based on the day-ahead load prediction deviation correction value; constructing an intra-day load prediction model, and calculating to obtain an intra-day load prediction value; and respectively calculating the credibility of the intra-day load predicted value, the predicted value at the corresponding moment in the day-ahead load predicted value vector and the historical actually measured load data, and calculating to obtain a predicted load issuing value based on the intra-day load predicted value, the predicted value at the corresponding moment in the day-ahead load predicted value vector and the credibility. According to the invention, by constructing the double-layer load prediction model and combining the meteorological parameter correction model, the adaptability of the system to the dynamic change of the environment is improved, and the load prediction precision is improved.

The invention discloses a high-safety battery heat management system with high-temperature heat dissipation, low-temperature heating and heat spread suppression considered. The high-safety battery heat management system comprises a power battery pack and a heat management system, the power battery pack comprises a battery pack consisting of a plurality of square battery cells and a large-scale battery module formed by connecting the battery packs in parallel; a plurality of battery cells are connected in series in each battery pack, the battery packs are vertically arranged, the large-scale battery module is formed by horizontally arranging the battery packs, and each battery pack comprises equal or unequal battery cells; the thermal management system comprises a flexible flame-retardant phase-change material, a liquid cooling plate, a heating film and aerogel; a part of side surfaces between the battery cells are uniformly filled with a flexible flame-retardant phase-change material, the other side surfaces are wrapped by aerogel, the bottoms of the battery cells are connected with an integrated unit of a heating film and a liquid cooling plate, and the heating film is positioned at the positions of the battery cells for heating; the battery pack is cooled through water cooling and phase change latent heat; heating the battery pack through a heating film at the bottom of the battery cell; and the thermal runaway of the battery is inhibited through the combination of the flexible flame-retardant phase-change material and the aerogel.

The invention discloses a photoelectric wafer defect detection method, and belongs to the technical field of semiconductors. The detection method comprises the steps that the surface of a photoelectric wafer is covered with a quantum dot precursor solution, annealing is carried out, after a quantum dot film is formed, irradiation is carried out under ultraviolet light, a displayed fluorescence signal can mark defects on the surface of the photoelectric wafer, and the purpose of detecting the defects of the photoelectric wafer is achieved. The quantum dots used in the invention have excellent fluorescence efficiency and stability, and can provide a high-contrast marking effect in an SEM image. Therefore, the detection of micron-scale and nano-scale defects is more accurate, and the details are clearer. A traditional fluorescence labeling solution is limited in infiltration capacity in nanoscale defects and can only cover the surface. The quantum dots can penetrate into the defect to form a mark with the depth ratio as high as 1: 3. The depth marking capability is helpful for comprehensively knowing the internal structure of the defect and the defect extension condition. In addition, the quantum dots have excellent adaptability and multifunctionality, and show good stability and coupling effect under different types of wafer conditions.

The application relates to an iron frame for a station-assisted reclining chair capable of realizing a head-low-foot-high function, which comprises an inclined support, a bottom frame, an extension support, a rotary rod, an upper frame assembly and a first electric push rod. The middle portions of the two sides of the inclined support are hingedly matched with the bottom frame, so that the tail end of the inclined support is overlapped with the tail end of the bottom frame, and the front end of the bottom frame is overlapped with the front end of the inclined support. The tail end of the upper frame assembly is hingedly matched with the tail end of the bottom frame, the rotary rod is arranged above the front portion of the upper frame, the two ends of the rotary rod are transmissionally matched with the extension support, the front end bottom of the upper frame assembly is provided with a station stop block, the lower side of the end portion of the rotary rod is provided with a station support matched with the station stop block, the tail portion of the upper frame assembly is further provided with a rotary rod limiting stop block, the front end of the first electric push rod is hingedly matched with the middle portion of the rotary rod, and the tail end of the first electric push rod is hingedly matched with the tail end of the inclined support, so that the first electric push rod is obliquely arranged between the rotary rod and the inclined support.

The invention relates to the technical field of environmental geological engineering, in particular to test equipment and method for simulating stratum deformation caused by confined water exploitation and recharge, and the test equipment comprises a model box frame, a cross elevator, a water suction pump, a sedimentation tank and a model box, and is characterized in that the inner wall of the model box frame is fixedly connected with organic tempered glass; a counter-force beam is fixedly connected to the top of the model box frame, three mechanical jacks are fixedly installed on the top of the inner side of the counter-force beam, a plurality of internal water injection pipes which are distributed at equal intervals are laid on the inner side of the model box frame, and a steel wire hose is connected between every two adjacent internal water injection pipes in a threaded mode. Through cooperation of the structures, the large-scale physical model test device which is rich in function, reasonable in design, practical and feasible is formed, and the process of ground subsidence and springback caused by dynamic changes of multi-layer pressure-bearing water levels can be simulated.

The invention discloses a multi-motion-mode high-temperature liquid metal environment micro-motion abrasion experiment device, which comprises a rack for supporting, a plurality of motion modes, a plurality of motion modes and a plurality of motion modes, the melting kettle unit is arranged on one side of the rack and is used for melting the metal solid into a liquid state under a preset condition; the melting kettle unit is arranged on the other side of the rack, and the experiment kettle unit is used for constructing a micro-motion abrasion experiment of a sample in a liquid metal environment; and the connecting pipeline unit is used for guiding the molten liquid metal in the melting kettle unit into the experimental kettle unit.

The invention discloses a reactor cabin structure internal pressure-bending combined load test device and a test method thereof.The device comprises a test module, the test module comprises a test section, a first transition section and a second transition section, and the test section is provided with a first pressure cabin and a second pressure cabin; the internal pressure loading module comprises a water tank and a pressure pump; the bending loading module comprises a first vertical loading mechanism and a second vertical loading mechanism; the bottom supporting module comprises a first supporting mechanism and a second supporting mechanism; and the measuring module comprises a first pressure sensor, a second pressure sensor and a pressure gauge. According to the invention, the internal pressure loading module and the bending loading module are used for simulating the load of the pressure chamber structure under dual accident conditions, the structural response under the condition of superposition of different internal pressure loads and different bending loads is known, and the safety and reliability of a chamber section model of the pressure chamber structure under the accident conditions are analyzed.

The utility model relates to the technical field of electrical equipment, and discloses a bus duct plug switch box which comprises a box body, a circuit breaker is fixedly arranged in the box body, a plug port is fixedly arranged on the upper side of the circuit breaker, an air inlet is fixedly arranged on one side of the box body, and an air outlet is fixedly arranged on one side of the box body far away from the air inlet. A ventilation fan is fixedly arranged on the inner side of the air outlet, each of the air inlet and the air outlet comprises a shell, a plurality of through holes are formed in the outer side of the shell, moisture absorption cotton is inserted into the shell, a clamping plate is fixedly connected to the upper end of the moisture absorption cotton, and the clamping plate is detachably connected with the shell. According to the utility model, the air inlet and the air outlet are arranged, and air in the switch box can be driven to circulate with the outside through the ventilation fan, so that hot air in the switch box is discharged, the temperature in the box body is effectively reduced, equipment failure and performance reduction caused by long-term high temperature are avoided, and the safety is higher.

The invention discloses a system and a method for converting a natural language into an SQL (Structured Query Language) based on contents and annotations, and relates to the field of databases. Vectorizing the annotations of the tables and the annotations of the fields, and storing the vectorized annotations into a vector database; the content of the table is stored in a local file after being subjected to minimum hashing; extracting keywords from the natural language of the user through a large language model; vectorizing the extracted keywords, and comparing the vectorized keywords with data in a vector database to obtain a first similar result; performing minimum hashing on the extracted keyword, and comparing the keyword with a local file to obtain a second similar result; assembling the first similar result and the second similar result, and selecting a table through a large language model; based on the selected table, obtaining a table building statement, and generating an SQL statement through a large language model; and based on the query database selected by the user, executing the SQL statement to obtain data. The method has good universality, and the accuracy of data query is improved.

The invention relates to the technical field of display, and particularly discloses an organic light-emitting field effect transistor and a preparation method thereof. The organic light-emitting field effect transistor comprises a grid electrode, a grid electrode insulating layer, a source electrode, an organic light-emitting function composite layer and a drain electrode which are sequentially stacked in the first direction, and the grid electrode insulating layer comprises a tunneling layer, a charge trapping layer and a barrier layer which are sequentially stacked in the first direction. According to the organic light-emitting field effect transistor, a gate insulation layer in a traditional organic light-emitting field effect transistor is arranged to be a tunneling layer, a charge trapping layer and a blocking layer which are sequentially stacked, namely, the organic light-emitting field effect transistor is combined with a storage device, so that the dual functions of light emitting and storage of the transistor can be achieved, the functions of the organic light-emitting field effect transistor are enriched, and the application range is widened. And the overall preparation process of each device is simplified.

The invention relates to the technical field of high polymer material processing, in particular to a supercritical thermoplastic elastomer foaming sheet and a preparation method thereof, and is characterized in that the supercritical thermoplastic elastomer foaming sheet is prepared from the following raw materials in parts by weight: 90-100 parts of thermoplastic polyurethane (TPU) and / or thermoplastic polyester elastomer (TPEE) and / or block polyether amide elastomer (PEBAX), 0.1-1 part of chain extender, 0.1-3 parts of nucleating agent and 0.1-0.5 part of antioxidant, 0.1 to 3.5 parts of an antistatic agent; by optimizing the material formula and the cooling and mold opening technology, the technical problems existing in the production process of the thermoplastic elastomer foamed sheet in the prior art are solved, and a high-performance and multifunctional novel material solution is provided for multiple fields of automobiles, sports equipment, medical equipment and the like.

The smoothie machine comprises a machine body, a smoothie making device and a juicing device, an icing cavity is formed in the machine body, a smoothie outlet is formed in the front side of the bottom of the icing cavity, a juice receiving disc is arranged in the icing cavity, and the smoothie making device comprises an icing roller, an ice scraping motor, an ice scraping knife and an ice making circulating mechanism. The icing roller is rotationally arranged in the icing cavity, at least part of the icing roller is arranged in the juice receiving disc, the ice scraping motor is used for driving the icing roller to rotate, the ice scraping knife is used for scraping ice attached to the surface of the icing roller when the icing roller rotates, the juicing device comprises a juicing cup and a power mechanism, and a juice outlet pipe is arranged on the side face of the juicing cup; the juice outlet pipe is used for conveying fruit juice to the juice receiving disc; the functions of a juicer and a smoothie machine are integrated, so that the functions of the smoothie machine are richer, and the requirements of different consumers are met.

The invention discloses a receiving and transmitting integrated detection system based on a CMUT sensor. The system comprises a DC bias voltage supply module, a CMUT detection module, a CMUT detection module, a CMUT detection module and a CMUT detection module, the system power supply module is used for supplying power; the PC upper computer end is used for generating upper computer data; the data communication module is used for transmitting data of the upper computer; the FPGA gating signal control module is used for receiving data of the upper computer and processing and distributing the data; the high-voltage pulse circuit generation module is used for selectively starting corresponding n paths of high-voltage pulse excitation signals according to the gating signal; the time division multiplexing circuit module is used for expanding n paths of high-voltage pulse excitation signals to 2n paths of high-voltage pulse excitation signals; the LC impedance matching module is matched with a specific transducer; an echo signal amplification module for secondary amplification; and the analog-to-digital conversion module is used for quantifying the echo data after secondary amplification. According to the invention, multi-channel synchronous driving of the array CMUT sensor can be realized, mutual crosstalk between different channels can be suppressed, and delay caused by different path lengths can be suppressed.

The invention discloses a hydrogen fuel cell production line body which comprises a cutting unit, a hot pressing unit arranged on the rear portion of the cutting unit, a dispensing unit arranged on the rear portion of the hot pressing unit, a flaw detection unit arranged on the rear portion of the dispensing unit, and an adhesive tape pasting unit arranged on the rear portion of the flaw detection unit. An air tightness detection unit is arranged at the rear part of the adhesive tape sticking unit, a stacking air tightness detection unit is arranged at the rear part of the air tightness detection unit, and a roll material is cut into a product on a cutting unit; hot-pressing the proton exchange membrane and the upper and lower plastic package membrane frames together by using a hot-pressing unit to prepare a semi-finished membrane electrode; and the semi-finished product membrane electrode and the upper and lower gas diffusion layers are glued together by using a glue dispensing unit. The production line body of the hydrogen fuel cell is simple to operate, complete in function, high in precision and high in efficiency, and solves the problems of low equipment precision, low production efficiency, poor compatibility, low yield and the like in the prior art.

The application relates to the technical field of vehicle-mounted accessories. The application discloses a driving recorder, which comprises a main body shell, a main control circuit board, a camera circuit board and a power storage component. The main body shell has a first accommodating cavity. The main control circuit board is provided with a main control assembly. The camera circuit board is provided with a camera assembly. The camera circuit board and the main control circuit board are arranged in a stacked manner along a first direction in the first accommodating cavity. The power storage component is electrically connected to the camera circuit board through the main control assembly and is stacked relative to the camera circuit board and the main control circuit board. The circuit boards and the power storage component are only stacked in the thickness direction, so that a compact and regular whole body is finally formed, the space utilization rate in the first accommodating cavity is improved, and the size of the main body shell is reduced.

The utility model relates to nursing supplies technical field, concretely discloses a temperature -sensitive discoloration multifunctional bath brush, include: bottom plate, the both sides of bottom plate are first board surface and second board surface respectively, first board surface is provided with first bristle area and second bristle area, first bristle area sets up in first board surface center, just second bristle area is provided with a plurality of, a plurality of second bristle area sets up in first bristle area periphery, second board surface is provided with third bristle area and fourth bristle area, third bristle area sets up in second board surface center, just fourth bristle area is provided with a plurality of, a plurality of fourth bristle area sets up in third bristle area periphery, the surface of first bristle area third bristle area is equipped with temperature -sensitive discoloration layer, the utility model discloses through setting up temperature -sensitive discoloration layer on the surface of first bristle area and third bristle area, can realize real -time, directly and intuitively understand water temperature condition through observing bristle area color change only through naked eye.

The utility model relates to the technical field of ceramic products, concretely relates to an artistic ceramic ornament with hollow shape. The artistic ceramic ornament with hollow shape of the present application, including ceramic base, the ceramic base is rotatoryly installed with ornament body, the ornament body includes the rotation subassembly installed on the ceramic base, the rotation subassembly is installed with light assembly, the light assembly periphery is equipped with the decorative body, the decorative body with the rotation subassembly passes through the detachable connection of joint or screw thread connection mode, thereby the maintenance and cleaning are convenient, when the rotation subassembly drives the ornament body rotates, the light of light assembly emits in proper order and passes through the hollow part of decorative body and the first hollow hole equipped with on the ceramic base, thereby projects the light and shadow pattern that changes ceaselessly, dynamic on the desktop, greatly enhances artistic appreciation and visual impact.

The utility model discloses a simple process, many function's intelligent detection and control technology application practical training platform. Adopted technical scheme includes: dosing unit, reaction unit and cooling unit, the dosing unit includes first raw material groove, second raw material groove and dosing mixing jar, first raw material groove top is linked with first liquid level switch, second raw material groove top is linked with second liquid level switch, and is equipped with fourth hand valve, dosing mixing jar top middle part and first stirring motor connection, dosing mixing jar top two feed ports are located dosing mixing jar front side and glass tube liquid level meter connection respectively left and right sides of first stirring motor.

This invention discloses a vertical cigarette packing device and its working method, which solves the problem of large footprint of existing cigarette packing machines. It has the beneficial effects of reducing the footprint of cigarette packing equipment and expanding the application range of cigarette packing machines. The specific solution is as follows: A vertical cigarette packing device includes a frame, which supports a multi-segment transfer mechanism, a cigarette pack flipping mechanism, and a flat plate opening and closing mechanism. The multi-segment transfer mechanism is located at the top of the frame and is connected to a clamping and suction composite clamp. The cigarette pack flipping mechanism is set on the side of the clamping and suction composite clamp. A cigarette pack clamping mechanism is set on the inner side of the frame of the cigarette pack flipping mechanism. The flat plate opening and closing mechanism is set below the cigarette pack clamping mechanism. The cigarette pack flipping mechanism flips several horizontal cigarette packs into a vertical state. The cigarette pack clamping mechanism clamps the vertical cigarette packs. When the flat plate opening and closing mechanism is closed, it supports the bottom of the vertical cigarette packs.

The utility model provides a kind of multifunctional knife sharpener with food temperature detection, including knife sharpener, the knife sharpener is equipped with several grinding mouth for tool grinding;Still include food temperature probe;The knife sharpener is equipped with the probe storage groove for accommodating food temperature probe;The first end of the food temperature probe is hinged with probe storage groove, to make the second end of food temperature probe rotatable remove probe storage groove or move into probe storage groove;The second end of the food temperature probe is used to detect the temperature of food.The utility model integrates food temperature probe on knife sharpener, and enriches the function of knife sharpener;Food temperature probe is installed on knife sharpener by hinged connection mode, and can be rotated to remove and use, and then hidden in probe storage groove for storage after use, simple operation, flexible and convenient to use.

This application discloses a power grid construction system and control method. The system includes a first AC system access port, a first transformer, a second transformer, a first converter, a supporting capacitor, a second converter, a coupling module, a third converter, a second AC system access port, a DC bus, an energy storage device, and a comprehensive control unit. The control method sets multi-level early warning thresholds for voltage and frequency, divides the grid into collaborative grid construction optimization and islanded grid construction modes, and executes differentiated control logic on the three converters respectively, achieving proactive virtual inertia support for the power grid and islanded grid power supply assurance. This invention is based on power flow control technology between power transformers (TPFC) to realize grid construction across voltage levels, improve the grid's ability to absorb new energy sources and maintain power supply to important loads, and is applicable to power flow control and grid construction between voltage levels.

The utility model discloses an airbrush clamping mechanism for film scratching equipment, which comprises a backup plate extending along the Z-axis direction, an upper mounting plate and a lower mounting plate are arranged on the backup plate, a linear guide rail extending along the Z-axis direction is arranged between the lower mounting plate and the upper mounting plate, a linear sliding block is connected onto the linear guide rail in a sliding manner, and the linear sliding block is connected with the backup plate in a sliding manner. A follow-up air brush clamping platform is arranged on the linear sliding block, a first elastic piece with the upper end abutting against the air brush clamping platform and the lower end abutting against the lower mounting plate is arranged between the air brush clamping platform and the lower mounting plate, and a micrometer caliper with a measuring head abutting against the air brush clamping platform is arranged on the upper mounting plate. The air brush clamping mechanism has the advantages of being adjustable in position, accurate in adjustment, complete in overall function and high in practicability.

The application discloses a kind of digital culture intelligent resource library construction method and system, belong to digital cultural resource management technical field.The method includes: multi-source heterogeneous layered collection (six categories of resources are synchronously collected by multimodal terminal, high-precision detail capture), adaptive heterogeneous resource standardization processing (personalized algorithm, independent DCIR format), double-branch attention intelligent classification association (accurate classification, mining internal correlation), distributed encryption storage and intelligent indexing (safe and traceable, fast retrieval), dynamic self-optimization and intelligent updating (model incremental updating, resource real-time replenishment).The system, device and medium correspond to realize the above method.The present application completely avoids prior art, realizes the high-precision, intelligent, safe and dynamic construction of digital cultural resources, and improves the efficiency of resource protection and utilization.

This application relates to the field of sweeper truck technology, and in particular to a novel sweeper truck suction cup device, comprising a suction cup housing and a suction pipe. The suction pipe is vertically mounted on the suction cup housing and connected to the sweeper truck's suction negative pressure system. A brush roller is also mounted at the bottom of the suction cup housing, and a power assembly for driving the brush roller to rotate is also provided on the suction cup housing. The brush roller is located behind the suction pipe. A front roller assembly and a front water spray assembly are provided at the front end of the suction cup housing, and a rear roller assembly and a rear water spray assembly are provided at the rear end of the suction cup housing. Both the front and rear water spray assemblies are connected to the sweeper truck's water supply system. This novel sweeper truck suction cup device, by activating the power assembly to drive the brush roller to sweep the road surface, loosens stubborn debris. It can also perform high-pressure water spraying to wash the road surface through the front and rear water spray assemblies, achieving a better cleaning effect for stubborn debris.

The application discloses an online automatic measuring device for the wall thickness of a high-temperature steel pipe. The device comprises a steel pipe guide column, a transmission ring, a main frame assembly, a connecting rod assembly and a first adjusting assembly. The steel pipe guide column is arranged in the main frame assembly and is used for conveying a steel pipe to be measured. The transmission ring is coaxially arranged outside the steel pipe guide column and is arranged close to the steel pipe outlet of the steel pipe guide column. The transmission ring is connected to the outlet side plate of the main frame assembly through the first adjusting assembly. A plurality of connecting rod assemblies are arranged at intervals along the circumference and are arranged close to the steel pipe inlet of the steel pipe guide column. Each connecting rod assembly extends into the steel pipe guide column and is provided with a detection assembly. The connecting rod assembly is connected to the inlet side plate of the main frame assembly and is connected to the transmission ring. The device can be used for long-time online measurement of the wall thickness of the steel pipe at high temperature (600-1000 DEG C), realizes real-time synchronization of relevant data, greatly improves the qualified rate of the finished steel pipe and reduces the cost of the production line.