7results about How to "Reliable data reference" patented technology

The invention discloses an electric appliance cabinet internal temperature measurement sensor and a temperature measurement method, and relates to the technical field of temperature monitoring. According to the method, before the electric appliance cabinet is used, according to a digital twinborn model in the electric appliance cabinet, an area where electric appliance elements are concentrated, an area where ventilation is poor and an area where heating is easy are screened out; then the arrangement position of each temperature measurement sensor is confirmed, it is ensured that the measured temperature can accurately reflect the internal temperature, the accuracy of temperature collection is guaranteed, reliable data reference is provided for subsequent temperature analysis, the temperature monitoring effect is improved, and then the complexity, sensitivity and stability of the arrangement position of each temperature measurement sensor are analyzed; according to the method, the types of the temperature measurement sensors are determined, the appropriate sensor type is selected for each position, the adaptability of the sensor types and the detection positions is ensured, and the temperature acquisition accuracy is improved while the sensor loss is reduced.

The invention relates to the technical field of slope stability analysis, and discloses a slope stability evaluation method under the influence of coal mine mining, comprising the following steps: step 1, acquiring terrain parameters and rock-soil body parameters; 2, obtaining coal mine underground mining related calculation parameters; step 3, determining surface movement deformation by adopting double-line calculation; the double-line calculation comprises I-line theoretical calculation and II-line numerical calculation; step 4, comparing the earth surface movement deformation under the mining influence obtained in the double-line calculation, and selecting the earth surface movement deformation according to a preset condition; 5, calculating the slope stability under the mining influence by adopting a limit equilibrium method; and 6, comprehensively analyzing and evaluating the stability of the mining slope. According to the method, numerical simulation and a limit equilibrium method are combined for calculation and analysis, the analysis dimension is comprehensive, and high calculation accuracy can be achieved; and an effective and reliable basis can be provided for stability evaluation, construction and utilization, reclamation and repair and the like of the goaf in the mountainous and hilly areas.

The invention relates to the technical field of tunneling construction, in particular to a rock mass tunneling performance evaluation method. The method comprises the following steps: acquiring a rock ballast sample at a construction site, and shooting the tiled rock ballast sample to obtain a rock ballast image; obtaining a rock ballast pixel projection area and a fractal dimension of the rock ballast image; according to the ballast pixel projection area and the fractal dimension, establishing a rock mass diggability evaluation index BIp; fitting the one or more rock mass quality parameters with the rock mass digestibility evaluation index BIp, and determining a BIp prediction model according to the decision coefficient corresponding to each fitting; and grading the rock mass tunnability evaluation index BIp to obtain a rock mass tunnability grading system, and performing tunnability evaluation according to the BIp prediction model and the rock mass tunnability grading system. The method provided by the invention can improve the accuracy of rock tunnability evaluation.

The application provides a kind of test device and method for evaluating volume change rate of cement slurry in cementing waiting-on-phase, and belongs to the technical field of oil and gas well cementing engineering.The test device comprises a curing kettle body, a cement slurry cup is arranged in the curing kettle body, a supporting assembly is used to suspend the cement slurry cup in the curing kettle body, and an adjusting assembly is used to assist in taking the cement slurry cup.The cement slurry cup can be suspended by the supporting assembly and the adjusting assembly, the remaining space in the curing kettle body forms a continuous flow cavity, which is beneficial to simulate temperature conditions and pressure environment closer to the actual downhole environment, the cement slurry cup can be easily taken out or put into the curing kettle body without the help of additional tools, the operation time is saved, the liquid medium in the cement slurry cup can be easily emptied, and the subsequent processing work after the test is completed is simplified.

The invention discloses a model equivalent processing method in simulation calculation of an energy storage container system, the energy storage container system comprises a battery bin, a water machine bin and a hydrogen pumping chamber, and the model equivalent processing method comprises equivalent simplification processing of the battery bin, the water machine bin and the hydrogen pumping chamber; when equivalent simplification processing is carried out on the battery compartment, the energy source type of a battery pack and a high-voltage box in the battery compartment is selected as a total heat source, a heat power value is input, and heat generated by solar radiation is given to a container shell as heating power; carrying out equivalent simplification treatment on the water machine cabin, namely carrying out equivalent simplification treatment on a fan, filter cotton and a shutter; carrying out equivalent simplification treatment on the hydrogen pumping chamber, namely carrying out equivalent simplification treatment on a fan, filter cotton and a metal mesh pore plate; the complex model is equivalently processed by applying a theoretical modeling mode, so that the calculation precision is not influenced, the number of equivalent model grids is relatively small, the model grids are easy to converge, and the accuracy of a simulation calculation result is greatly ensured.

This invention relates to the field of big data processing technology, specifically to a cloud-based agricultural big data analysis and processing system. It includes a crop data aggregation module, which extracts soil moisture time-series data and phenotypic image data from multimodal sensor data; a state deviation calculation module, which outputs lag offsets through a time-series mapping network and performs alignment, then generates environmental masking variable deviation stripping through a state decoupling network, outputting phenotypic isolation vectors and plant feature vectors; a topology coordination module, which establishes a hierarchical transmission topology and performs asymmetric graph aggregation operations along unidirectional transmission paths, outputting fused feature vectors; and a management and control decision module, which inputs the fused feature vectors into a sequence decoding network and a clustering boundary network for computation, outputting a lesion evolution matrix and a distribution risk set. This invention deeply coordinates time-series feature processing, spatial environment decoupling, and topology network computation, enabling prediction results and distribution risks to provide a basis for state-based decision-making in agricultural production.

The present invention belongs to the field of electric power technology, and specifically relates to a hidden, movable intelligent charging management system, including a charging station body, a charging device, an underground track, a ground exit, a charging intelligent planning module and a charging power prediction module; the charging station body is connected to the mains to realize the power supply of the charging device; the charging device moves along the underground track and is connected to the charging station body through a charging cable buried underground; the underground track is laid underground in the parking lot of the charging station; the ground exit is set at each parking space; the operating terminal is erected inside the charging station. The charging intelligent planning module is used to provide reasonable power planning for users with different types of needs; the charging power prediction module is used to realize the analysis and prediction of the charging power of the charging station at different time scales within the day and week. The present invention adopts a movable, hidden charging device to efficiently utilize parking space and alleviate the problem of shortage of parking resources.