350results about How to "Solve the real problem" patented technology

The invention discloses a smart power grid fault early warning and diagnosis system, and relates to the technical field of smart power grids. Comprising a multi-modal data acquisition and fusion module, a deep reinforcement learning early warning module, a fault diagnosis module based on a graph neural network, an adaptive diagnosis module integrated with multi-task learning, an edge calculation and cloud collaboration module and a system test and verification module, and comprises the following steps: step 1, acquiring multi-source data through a power sensor, an intelligent electric meter and a meteorological station; dimension reduction and feature fusion are carried out on the data by using a depth auto-encoder model; 2, importing the collected data into a deep reinforcement learning early warning module, and dynamically adjusting an early warning strategy through interaction with a power grid operation environment; 3, a fault diagnosis module based on the graph neural network analyzes the topological structure of the power grid and identifies a fault position; 4, learning a model and processing a fault type; 5, edge calculation and cloud cooperative work are combined; and 6, testing, verifying and optimizing the model by the system testing and verifying module.

The invention provides an energy-saving optimization control method and system for an air compressor and a readable storage medium. The method comprises the steps that operation parameters of the air compressor and the current air use requirement of an air use end are obtained in real time; the current compression capacity of the air compressor is obtained through analysis according to the operation parameters; key operation parameters of the air compressor are dynamically adjusted according to the current air consumption demand and the current compression capacity so that the current compression capacity can be matched with the current air consumption demand, and the key operation parameters comprise the motor rotating speed, the air compressor load rate and the motor starting and stopping time. According to the energy-saving optimization control method for the air compressor, on the basis of real-time monitoring and analysis of the operation parameters of the air compressor and the current air consumption demand of the air consumption end, the key operation parameters of the air compressor are dynamically adjusted, so that the air production capacity of the air compressor is accurately matched with the actual air consumption demand, energy waste is avoided, and the energy conservation and emission reduction effects are achieved. Meanwhile, the stable operation and the service life of the equipment are considered, and the overall energy-saving optimization target is achieved.

The invention belongs to the technical field of power generation, and discloses a power generation gas turbine grid-connected power allocation technology and device which comprises a power detection module, a data processing module and a power regulation and control module. And the output power of the gas turbine is detected in real time through the power detection module, so that the real-time performance of power allocation is ensured. The power detection has the advantages of single current detection, simplicity, linearity and high efficiency. And accuracy: through the data processing module and a preset algorithm, a power regulation and control instruction can be accurately calculated, and accurate allocation of the grid-connected power of the gas turbine is realized. The power allocation effect is that any proportion can be adopted for adjustment, and the power error is reduced; and stability: the output power of the gas turbine is regulated and controlled through the power regulation and control module, so that the stability of the power grid can be effectively improved. According to the power allocation effect, the problem that power oscillates between the two gas turbines does not occur.

The invention belongs to the technical field of coal mine safety production, discloses a coal face personnel falling detection method based on multi-sensor fusion, and aims to solve the problems that in a complex coal mining environment scene, the accuracy and reliability of personnel falling detection by using a single sensor are poor, and the detection precision is low. And a short-distance and long-distance multi-sensor data fusion detection method is lacked. According to the coal face personnel falling detection method based on multi-sensor fusion, through the processes of millimeter wave radar feature extraction, laser radar feature extraction, radio frequency device feature extraction, feature vector splicing and prediction and the like, whether personnel on the coal face fall or not can be quickly and accurately judged; according to the invention, high-efficiency monitoring and early warning of the personnel safety state are realized, the life safety of operators is effectively guaranteed, the safety and intelligent level of coal mining operation are greatly improved, and the system has significant practical value and wide application prospect.

The invention discloses a maintainability modeling, distribution and prediction method based on reuse. The method comprises the following steps: establishing a hierarchical structure of a reuse carrier rocket; constructing a judgment matrix of the scheme layer; weight vectors of the criterion layer and the scheme layer are calculated, and consistency check of the judgment matrix is carried out; calculating a combined weight vector of each scheme in the scheme layer according to the weight vectors of the criterion layer and the scheme layer; obtaining the maintenance degree of each scheme in the scheme layer according to the combined weight vector; determining maintainability prediction parameters and a reference unit; calculating the average repair time of the subsystems; calculating the average restoration time interval of the whole rocket and the uncertainty of the average restoration time of the whole rocket; and predicting a maintenance degree index of the target layer. The method solves the problems of lack of distribution data, difficult prediction process, difficult prediction result quantification and uncertainty and the like of the reusing carrier rocket maintainability index under the background of minimum subsamples.

The invention belongs to the technical field of high-frequency planar transformers, and relates to a butterfly-shaped planar transformer with a twisted primary side and an anti-coupling secondary side and a switching power supply. The winding comprises a primary winding and a secondary winding; the magnetic core is of a four-core-column butterfly-shaped structure, and the secondary winding and the primary winding respectively surround two core columns in the center of the magnetic core; the winding directions of the secondary winding current around the two middle columns of the magnetic core are the same; the primary winding is positively coupled with one secondary winding and reversely coupled with the other secondary winding; according to the two-core-column matrix type transformer, the problem that magnetic saturation is caused by the magnetic flux of direct-current magnetic bias at the connecting part of the transformer is solved, so that the two-core-column matrix type transformer can be applied to a switching power supply with direct-current magnetic bias and a power electronic converter; compared with a traditional scheme, the efficiency and the power density of the transformer are remarkably improved.

The utility model discloses a socket type metal elbow, which belongs to the field of hardware component ornaments, and is characterized in that the socket type metal elbow comprises an elbow main body structure which is an arc-shaped circular pipe section and an inner socket type straight pipe section structure, the outer socket type straight pipe section structure and the inner socket type straight pipe section structure are fixedly arranged at one end of the elbow main body structure in an integral forming mode, and the outer socket type straight pipe section structure is fixedly arranged at the other end of the elbow main body structure. The outer socket type straight pipe section structure is overlapped and fixedly arranged at the other end of the elbow main body structure in an integral forming manner, and the diameter of the outer wall of the outer socket type straight pipe section structure is greater than or equal to that of the outer wall of a corresponding port of the elbow main body structure; in-pipe center lines of the inner socket type straight pipe section structure and the outer socket type straight pipe section structure are perpendicular to the sections of the corresponding ports of the elbow main body structure respectively and pass through the circle centers of the sections of the corresponding ports of the elbow main body structure respectively. According to the utility model, the socket and spigot structure is adopted, so that the operation is more convenient and simpler, the structure is attractive and seamless, the standardization is achieved, the labor intensity and the difficulty are greatly reduced, the working time is saved, and the working efficiency is improved.

The utility model relates to an automatic medicament adding device for a heat supply system, which comprises a controller, a pH (Potential of Hydrogen) online monitoring sensor, a medicament adding tank and a medicament mixing tank, and a first electric ball valve and a third electric ball valve are arranged on a pipeline between the medicament adding tank and the medicament mixing tank; a secondary water supply pipeline is connected between the first electric ball valve and the third electric ball valve through a water inlet pipe, a second electric ball valve is installed on the water inlet pipe, the medicine mixing tank is connected to a secondary water return pipeline through a medicine outlet pipe, and a fourth electric ball valve is installed on the medicine outlet pipe. A stirring impeller is mounted in the mixing medicine tank and is connected to a motor through an impeller connecting rod; the ph online monitoring sensor is installed on a secondary water supply pipeline, and the controller is electrically connected with the ph online monitoring sensor, the first electric ball valve, the third electric ball valve, the second electric ball valve, the fourth electric ball valve and the motor. The water treatment effect is improved, and the equipment investment and the operation and maintenance cost are reduced.

The invention discloses an air-space-ground integrated network cooperative computing service optimization method based on adversarial learning, and belongs to the technical field of artificial intelligence and wireless communication in an air-space-ground integrated network. The method comprises the following steps: (1) in an edge mobile computing communication system in the sky-ground integrated network, proposing a plurality of allocation modes of computing tasks; (2) obtaining total time delay and energy consumption experienced by the wireless equipment in different distribution modes; (3) proposing an objective function and a constraint condition, and forming an optimization problem based on the objective function and the constraint condition; and (4) finding out an optimal result through a plurality of iterations. According to the invention, the total delay of the system is minimized through the space-air-ground integrated network cooperative computing service optimization method; the genetic algorithm driven by the generative adversarial network is provided, the nonlinear high-complexity problem can be solved more efficiently and accurately, the generative adversarial network can learn features and distribution in the data, the generated solution is closer to the actual situation, and the actual problem can be better solved.

The invention provides a multi-needle type electro-acupuncture device, which belongs to the technical field of electro-acupuncture, and the core of the multi-needle type electro-acupuncture device is a flexible circuit board which is made of a medical-grade material and can be attached to the surface of a human body. The circuit board internally comprises a multi-layer circuit structure, pinholes are formed in the surface according to acupoint distribution, and stainless steel or titanium alloy electric pricking needles are arranged. Independent electrode assemblies on the inner side and the outer side are arranged at each pinhole and connected with a control chip through a multi-channel digital signal processing circuit. A plurality of current modulation modules are integrated in the system, and the current frequency, intensity and pulse width can be adjusted. The device is fixed on the surface of a human body through a medical magic tape or an adhesive tape for point acupuncture treatment, so that the problems of an existing multi-needle type electro-acupuncture device are effectively solved, a more intelligent, personalized and reliable electro-acupuncture treatment scheme can be provided, neuralgia treatment, muscle relaxation, meridian dredging, acupoint stimulation and the like are supported, and the treatment effect is good. And flexible switching can be realized according to specific conditions of patients.

The invention relates to the technical field of lithium carbonate production, and provides a lithium carbonate production lithium precipitation process multistage continuous lithium precipitation reaction system and a lithium precipitation method. The lithium precipitation reaction system comprises a finished liquid tank, a primary lithium precipitation kettle, a sodium carbonate kettle and a secondary lithium precipitation kettle; adding the solution in the sodium carbonate kettle into the primary lithium precipitation kettle from the bottom of the primary lithium precipitation kettle to a specified liquid level, and then adding the solution in the liquid tank into the primary lithium precipitation kettle from the top of the primary lithium precipitation kettle; the reaction completion material overflows into a secondary lithium precipitation kettle from an overflow port of the primary lithium precipitation kettle; each of the primary lithium precipitation kettle and the secondary lithium precipitation kettle comprises a shell, a cover body covering the shell, a distributor mounted between the shell and the cover body and a stirring assembly mounted on the cover body; when the solution in the finished solution tank is added into the primary lithium precipitation kettle from the kettle top of the primary lithium precipitation kettle, starting a stirring assembly; the stirring assembly comprises a driving assembly arranged on the cover body, a first stirring assembly driven by the driving assembly and a second stirring assembly driven by the driving assembly.

The invention belongs to the technical field of bioplastics, and particularly relates to a bioplastic as well as a preparation method and application thereof. The bioplastic is prepared from the following raw materials in parts by mass: 10-70 parts of cellulose, 1-10 parts of a flexibilizer, 1-40 parts of a first plasticizer, 1-2 parts of a second plasticizer, 0.3-15 parts of a lubricant, 1-10 parts of an inorganic filler, 0.1-2 parts of starch and 0.1-5 parts of an auxiliary agent. Natural substances of cellulose are fully utilized, the strength and impact resistance of starch are improved, the starch has the physical property suitable for being used as a plastic substitute raw material, and plastic degradation can be accelerated by simultaneous generation of biodegradation and photodegradation while the manufacturing cost is reduced, so that the problem of plastic waste is solved.

The invention relates to the technical field of nursing personnel distribution, in particular to a wireless call-for-help communication system for a smart ward. When a help calling signal is received, the system obtains all related data information including nursing experience, position information and the like of a nurse. Calculating a first matching factor (based on nursing experience) for each nurse and each patient by analyzing historical nursing data; meanwhile, a second matching factor (based on the position relation) is calculated according to the movement track of the nurse; the system also evaluates the accumulated workload and the future predicted workload of the nurse to reflect the busy degree and the fatigue degree of the nurse. In the help calling matching module, the nursing experience, the position relation, the workload and the task of the day of the nurse are comprehensively considered, and the target nurse most matched with the patient to be rescued is screened. According to the method, multiple factors are combined, more flexible and more accurate screening is achieved, it is ensured that the selected nurse can reach the position of the patient as soon as possible, the problem is effectively solved, and the efficiency and quality of medical care are improved.

The invention discloses an MOSCAP device based on a p-dipole material Ga2O3 and a preparation method of the MOSCAP device. The method comprises the following steps: firstly, growing a SiO2 interface layer (IL) on a p-Si substrate through a thermal oxidation method; ga2O3 with different cycle numbers is grown on the IL layer through an atomic layer deposition technology, and an HfO2 film is grown in situ. And then, rapidly annealing the device to repair oxide defects between the dielectric layers. And finally, preparing a patterned W electrode, thereby obtaining the MOSCAP device. According to the invention, after the Ga2O3 dipole layer is added, the MOSCAP device shows a relatively low hysteresis curve, only an extremely low equivalent oxide thickness (EOT) is increased, and meanwhile, remarkable VFB forward adjustment is realized. The invention proves that Ga2O3 is a novel p-dipole material with potential, and shows a wide application prospect in multi-threshold technical development of advanced process nodes.

The utility model discloses a discharging device with an adjustable liquid material interface height. A liquid phase discharging opening in the bottom of an upstream container is sequentially connected with a left straight pipe, a left rotating connector, an inverted-U-shaped pipe, a right rotating connector and a right straight pipe with a flange through pipelines and then is connected with a feeding opening of a downstream container. The other end of the vacuum breaking valve is connected with a right straight pipe with a flange; according to the principle that the liquid pressure intensity on the two sides is equal, rho2 (L2-m) + mrho1 = L1 rho1, the liquid level height of an upstream container of L2, the interface height of an upstream container of m, the operation height of an inverted U-shaped pipe of L1, the heavy phase density of rho1 and the light phase density of rho2 can be obtained; other data except m are known, the height of L1 can be adjusted by rotating the inverted-U-shaped pipe around the center line of the two rotary joints, and therefore m can be controlled, and the control over the upstream container interface of the device is achieved. The device is convenient and efficient to operate, flexible and rapid in interface height adjustment, wide in application range, energy-saving and environment-friendly.

The utility model discloses a device for mounting a viaduct sound barrier, which relates to the technical field of sound barrier mounting and comprises a frame body, a driving mechanism, a power supply mechanism, a lifting mechanism and a traveling mechanism. The frame body comprises a first supporting rod and a second supporting rod, and the first supporting rod and the second supporting rod form a telescopic rod; the driving mechanism and the power supply mechanism are mounted at the bottom of the frame body; the lifting mechanism is mounted at the top of the frame body and is electrically connected with the power supply mechanism; the power supply mechanism supplies power to the driving mechanism and the lifting mechanism; a control switch is further installed on the frame body and electrically connected with the power supply mechanism. A walking mechanism is arranged at the bottom of the frame body. The height of the whole frame body can be adjusted through the structural arrangement of the telescopic pieces, the problem of an operation platform for installing the viaduct sound barrier body is solved, the construction quality and the construction efficiency can be greatly improved, the personnel cost is reduced, and the safety in the installation process is enhanced.

The invention relates to the technical field of beverage preparation devices, and discloses a bubble water chiller, comprising: a bubble water treatment system, the bubble water treatment system comprises a refrigeration device and a bubble water making device, the bubble water making device is used for making bubble water; the water inlet system is communicated with the bubble water treatment system through a pipeline, and the water inlet system is used for providing a water source; the air inlet system is communicated with the sparkling water making device through a pipeline, and the air inlet system is used for conveying CO2 to the sparkling water making device; the water outlet system comprises a water outlet pipeline and a corresponding water outlet end, the water outlet pipeline comprises a bubble water outlet pipeline, the water outlet end comprises a bubble water outlet end, and the bubble water outlet pipeline is provided with an air pump; and the air pump is used for introducing air into the bubble water outlet pipeline and blowing out bubble water in the bubble water outlet pipeline.

The invention belongs to the field of medical gas collection bags, and discloses a urea expiration test prompter which comprises a gas collection bag, a guide sheet is placed on one side of the gas collection bag, a clamping device is movably arranged on one side of the gas collection bag and the guide sheet, the clamping device comprises a clamping plate movably installed on one side of the gas collection bag and the guide sheet, and a clamping spring is arranged in the middle of the clamping plate in a matched mode. The number of the clamping plates is two, a clamping shaft is movably arranged between the clamping plates, the clamping plates are movably connected through the two ends of the clamping shaft, and a control assembly is fixedly arranged at one end of the clamping device. The problems that in the prior art, a subject often forgets specific test time easily in the waiting period, so that test is inaccurate, meanwhile, the test effect is possibly affected due to unclear reading or information omission only depending on paper guidance, a special prompt device for a urea expiration test is lacked in the current market, and the test efficiency is poor are solved. Therefore, the device and the method are suitable for medical science.

The utility model discloses a controllable rectification DC power transmission petroleum drilling machine hybrid power system, including generator unit, public DC bus, energy storage battery group, water -cooled inverter drive unit, total controller, central controller, brake unit, converter unit, the power transmission end of multiple generator unit is connected to the power receiving end of public DC bus, and public DC bus connects energy storage battery group, and the power transmission end of public DC bus is connected to the power receiving end of multiple water -cooled inverter drive unit respectively, and water -cooled inverter drive unit is connected to the load power receiving end of petroleum drilling machine, still be connected with brake unit and converter unit on public DC bus, the VCU controller of every generator unit is connected through CAN communication bus of central controller, and central controller still communication connection, BMS system in energy storage battery group, water -cooled inverter drive unit and total controller, can overcome the existing drilling system installed cost high, maintenance cost is higher, and the problem that power grid quality is greatly interfered, equipment volume is big, system efficiency is low.

The present invention discloses an automated analysis system and instrument for ammonia nitrogen based on flow analysis technology, and belongs to the technical field of chemical analysis and quantitative detection. The instrument developed by the present invention can realize automatic and rapid determination of ammonia nitrogen in different detection ranges in various water quality samples, and the obtained results are accurate and reliable. The characteristics of the present invention are that, firstly, a new type of flow analysis system is designed and established, which, on the basis of inheriting the advantages of traditional flow injection analysis and sequential injection analysis technology, solves many problems existing in these technologies, such as the inconvenience of using peristaltic pumps, high cost of using rotary valves, and inability to be used for online monitoring and unattended operation. The automated analysis instrument developed based on this can realize true one-button start-up; secondly, based on the analysis system, a dedicated analysis flow path is designed for the salicylic acid reaction system involving ammonia nitrogen, and after optimizing the system parameters and reaction conditions, the obtained detection performance indicators all perform well.

The invention provides an amorphous alloy material, an elastomer structure and a six-dimensional force sensor. Specifically, the amorphous alloy material comprises Zr, Ta, V, Nb and M, and M is Cr, Al, Ti or Hf. The invention further provides application of the amorphous alloy material in a six-dimensional force sensor. The amorphous alloy material has high yield strength, low Young modulus and high elastic limit. When the amorphous alloy material is used for preparing the six-dimensional force sensor, the six-dimensional force sensor has the advantages of high sensitivity, high precision, wide range, low crosstalk and the like.

The utility model relates to a screening device for rice processing. The screening device comprises a mounting frame; the roller rotates on the mounting frame, two openings are formed in the two ends, in the axis direction, of the roller respectively, and a rolling space used for containing coarse rice and rice husks exists in the roller; the two air blowing structures comprise draught fans, the two draught fans are arranged near the openings correspondingly, and the draught fans blow air into the roller, the brown rice and the rice husks are put into the roller, the roller rotates on the mounting frame, the rice husks and the brown rice in the roller gradually ascend upwards along with rotation of the inner wall of the roller, and therefore the rice husks and the brown rice can be separated from the roller; when the rice husks and the brown rice are lifted to a certain height, the rice husks and the brown rice are separated from the inner wall of the roller and fall downwards, the fan blows out the rice husks which are not adhered in the falling process, the adhered rice husks are separated from the brown rice after falling, and the rice husks are blown out by the fan when falling next time. The problem that rice husks are left after winnowing due to the fact that the rice husks adhere to brown rice can be effectively solved.

The utility model discloses an NWS type direct current unit which comprises a cylinder body, an electric heating tube, a steel aluminum heat exchange tube, a first annular baffle, an upper annular plate and a lower annular plate, the cylinder body comprises an inner cylinder, an outer cylinder, an upper tube plate and a lower tube plate, a containing cavity is formed between the inner cylinder and the outer cylinder, the electric heating tube is arranged on the upper tube plate in a penetrating mode, and the power connection end of the electric heating tube is located outside the containing cavity. The two ends of the steel-aluminum heat exchange pipe penetrate through the upper pipe plate and the lower pipe plate respectively, the first annular baffle is arranged on the upper pipe plate, the power connection end of the electric heating pipe is wrapped in the first annular baffle, the upper annular plate is arranged on the first annular baffle and the outer cylinder, a water outlet pipeline is defined by the upper annular plate and the outer cylinder, and a water outlet is further formed in the outer cylinder. The lower annular plate is arranged at the bottom of the inner barrel and the bottom of the outer barrel, a water inlet pipeline is defined by the lower annular plate, the outer barrel is further provided with a water inlet, the water inlet is communicated with the port of the steel-aluminum heat exchange pipe, the NWS type direct current unit adopts the steel-aluminum heat exchange pipe to replace a stainless steel spiral coil pipe, and the NWS type direct current unit has better heat exchange efficiency.

The present invention provides a method, a slow-filling tank and a drainage system based on the transformation of an existing septic tank, wherein the transformation method is as follows: a new outlet is opened, and the horizontal height of the new outlet is lower than the horizontal height of the original outlet; an interception part is arranged near the new outlet or in the downstream pipeline, the interception part is closed, the tank body stores water, and the interception part is opened, and the tank body transports water. The slow-filling tank includes a tank body, a water inlet and a water outlet opened on the tank body, and a plurality of baffles arranged inside the tank body, the baffles are arranged in sequence from the water inlet to the water outlet, and water holes are arranged on the baffles. The water outlet position of the outlet is lower than the water inlet position of the water inlet, and an interception part is arranged near the water outlet. In the present invention, the municipal combined pipe is not modified, and the problems existing in the combined pipe system are solved from the source.

The present invention relates generally to elastomeric compositions comprising at least one sp2-hybridized carbon allotrope and a 2, 5-disubstituted pyrrole derivative, preferably provided in the form of a preformed adduct, processes for their preparation and tires comprising such elastomeric compositions. The invention also relates to adducts between said pyrrole derivatives and sp2 hybrid carbon allotropes and to processes for their preparation.

The utility model discloses a module for producing variable cross-section alloy bars, which comprises an integrated backward extrusion die, a backward die holder, a die middle pad, a die tail pad and a base, the integrated backward extrusion die is mounted inside the backward die holder from the metal extrusion side, the die middle pad and the die tail pad are sequentially arranged behind the backward die holder, and the die middle pad and the die tail pad are mounted on the base. Clamping grooves are formed in the bottoms of the reverse mold base, the mold middle cushion and the mold tail cushion, the reverse mold base, the mold middle cushion and the mold tail cushion are assembled with the base through bosses in the base, and a sliding groove is formed in the bottom of the base. According to the module for producing the variable-cross-section alloy bar, the integrated backward extrusion die is installed, the taper design is adopted, the length of a deformation area is increased, metal flowing is facilitated, and concentrated deformation is reduced into slow deformation; and meanwhile, the integrated backward extrusion die and the backward die holder are firmly assembled and are not easy to loosen, the bar material is convenient to demould after extrusion is finished, the problem of die clamping is solved, the die is convenient to change, the production efficiency is improved, and the extrusion die is suitable for extrusion of the variable-section alloy bar material with a small front end diameter and a large tail end diameter.

The invention belongs to the technical field of new-generation information, and particularly relates to a method for deploying a hybrid expert large model in an edge computing power network at low cost, which comprises the following steps of: 1, defining and initializing a problem; 2, a first expert model deployment method; comprising cost calculation and first expert model deployment operation; 3, a subsequent expert model deployment method; comprising the steps of deployed node set updating, cost updating, subsequent expert model deployment and routing operation. 4, repeating and terminating; and 5, outputting. According to the invention, by reducing the average deployment cost of the single expert model, the purposes of reducing cost and increasing efficiency are achieved, and a deployment scheme of the hybrid expert model in the edge computing network, which saves resources and has higher benefits, is provided for large model service providers.

A die adjusting device of a press machine comprises a plunger type cylinder, a guide column, a nut lifting driving mechanism, an adjusting nut, a fixing seat and an upper cross beam. The lower ends of the guide columns are fixed to the base, and the upper ends of the guide columns penetrate through and extend out of the upper beam which is in sliding fit with the guide columns. A cylinder body of the plunger type cylinder is fixed to the fixing base, the fixing base is installed on the upper cross beam, and a plunger of the plunger type cylinder is arranged at the upper end of the guide column. The adjusting nut is sleeved outside the guide post in a penetrating manner, is in threaded connection with the guide post, is positioned above the upper cross beam and in the fixed seat, and is driven by the nut lifting driving mechanism to ascend or descend along the guide post; and the nut lifting driving mechanism is mounted on the upper cross beam. The die adjusting device of the press machine is simple in structure, simple in die adjusting and high in die adjusting precision.

The invention discloses a data acquisition and processing method of an intelligent measurement master station, which relates to the technical field of intelligent measurement, and comprises the following steps: dividing a data acquisition channel, and constructing a distributed architecture of the intelligent measurement master station; cluster processing and multilink load balancing master station deployment are carried out on a distributed architecture, dynamic channel resources deployed by the master station are allocated based on an asynchronous time division multiplexing technology, and master station deployment operation based on cluster processing and multilink load balancing is carried out. According to the invention, the intelligent measurement master station system can better adapt to a complex and changeable electric power environment, the data acquisition and processing efficiency is improved, and advantages are brought to the development and application of an intelligent electric power system.

The invention provides a displacement vector dynamic space model modeling method based on a GNSS platform. The displacement vector dynamic space model modeling method comprises the following steps that S1, initial point position coordinates X1 of all observation stations are obtained and stored through GNSS satellite navigation signal receiving equipment; s2, after a data acquisition period T0, obtaining and storing a new observation station coordinate X2; s3, defining the direction of the Cartesian coordinate system; s4, obtaining a spatial trend structure function based on the displacement vector data of each observation station and the initial observation station coordinate X1; s5, performing detrending processing on the displacement vector data, and calculating a spatial autocorrelation function of the data; s6, establishing a displacement vector space distribution model in x, y and z directions, and obtaining displacement vectors of each non-direct measurement point in the x, y and z directions in the space; s7, calculating a total displacement vector of each non-direct measurement point; and S8: updating the initial point position coordinate of each observation station as X2, taking X2 as a new initial point position coordinate X1, and repeating the steps S2 to S7. According to the invention, dynamic and high-precision spatial modeling of the displacement vector is realized.