28results about How to "Precise adjustment and control" patented technology

The invention relates to the technical field of air conditioners, in particular to a machine room air conditioner operation state control method and system.The method comprises the steps that parameter data at the current moment are input into a temperature prediction model, and predicted temperature data at the next moment are obtained; wherein the parameter data comprises an actual temperature and a target temperature in the machine room; acquiring a current predicted difference value between the predicted temperature data and the target temperature; when the current prediction difference value is greater than or equal to a threshold value, evaluating a temperature prediction model to obtain an evaluation result; the evaluation result is the similarity between the historical actual temperature data and the corresponding historical predicted temperature data; when the evaluation result is larger than a set value, the current machine room air conditioner operation state is controlled and adjusted; otherwise, repeated training is carried out according to the comprehensive loss function to update the temperature prediction model. According to the scheme, the accuracy of machine room air conditioner operation state control can be improved.

The utility model discloses a high-efficiency combined ice-making system, which comprises an underframe (10), an ice-making device (20), a refrigerating system (30), an ice storage device (40), a water supply system (50), a generator set (60) and a control system, the refrigerating system is connected with the ice-making device, the downstream of the ice-making device is connected with the ice storage device, and the water supply system is respectively connected with the ice-making device and the ice storage device; the ice making device is characterized in that the ice making device comprises a plurality of ice making units which are connected in series, each ice making unit comprises an ice making barrel (21), a first motor assembly (22) and a connecting pipe (23), every two adjacent ice making barrels are connected through the corresponding connecting pipe, and each ice making unit is connected with the corresponding refrigerating system. According to the ice making system, step-by-step refrigeration can be realized, the ice making efficiency of ice slurry can be effectively improved, the ice making system can adapt to more working condition requirements, adjustment and control are finer and more precise, the ice making efficiency is higher and more stable, and energy consumption is reduced.

The invention belongs to the technical field of gynecological medical examination, and particularly relates to a vaginal dilation device for gynecological examination, both ends of the side edge of a hollow transmission cylinder are provided with side openings, the side openings are V-shaped, a connecting plate is fixedly mounted on the surface of the middle end of the inner side of the hollow transmission cylinder, and a transmission rod is vertically and fixedly mounted at the middle end of the bottom of the hollow transmission cylinder; a hand pulling plate is fixedly installed on the surface of the bottom of the transmission rod, the transmission rod is installed in the expansion cylinder in a penetrating mode, the bottom of the transmission rod extends to the outer side of the expansion cylinder, and the hand pulling plate is movably installed below the outer side of the expansion cylinder. According to the vagina dilator, medical staff only need to horizontally pull a hand pulling plate from the outer side, so that shells at the two ends of the outer portion of a side opening of a dilation barrel can be extruded to deform outwards to be dilated, vagina dilation treatment can be conducted on the lower body of a gynecological patient, and the medical staff can conveniently and accurately adjust and control the dilation size; and the sampling detection accuracy is prevented from being influenced by too large or too small expansion.

The invention discloses an active energy dissipation and vibration reduction method based on an eddy current damper, which comprises the following steps of: according to the basic working principle of the eddy current damper and in combination with the structural form and the operation mode of suspension type monorail traffic, mounting the improved eddy current damper in a bottom central area with the maximum vibration response of a suspension type monorail vehicle body; the interior of the eddy current damper is designed into a mode that the height of an internal conductor plate can be freely adjusted according to needs, and related parameters of an internal core structure of the eddy current damper are finely designed through experimental testing and analogue simulation, so that the magnitude of the output damping force of the damper is concrete; damping needed by vibration reduction of a vehicle system is actively adjusted, energy consumption and control are conducted on various vibration responses of suspension type monorail traffic under the conditions that the suspension type monorail traffic passes through line small-radius curves and turnouts, strong wind and the like in real time, and the problems that a suspension type monorail vehicle is poor in operation stability and riding comfort for a long time are solved. And the vibration response under various operation conditions is inhibited.

The invention provides an infusion dripping speed adjusting device and system, and belongs to the technical field of infusion equipment. The device comprises a fixed frame; the infusion tube is mounted on the fixing frame; the roller clamp is located on the fixing frame, and the infusion tube penetrates through the roller clamp, so that the flow of the liquid material in the infusion tube is adjusted by the roller clamp; and the adjusting plate is mounted on the fixing frame. In addition, by arranging a speed setting module in the microcontroller, infusion speeds can be set according to different time periods, the speed setting module cooperates with a time monitoring module, a feedback adjusting module and the like, the infusion speeds are automatically adjusted according to the preset different time periods, medical staff do not need to pay attention to the infusion speeds all the time, and manual adjustment is not needed. The workload of medical staff is greatly reduced, the infusion speed can be adjusted more timely and accurately, and the adverse reaction influence or risk on a patient due to the fact that the infusion speed is constant or not adjusted in time is reduced.

The invention relates to the technical field of automobile control, in particular to a low-temperature air supply system and method for an air suspension. Comprising a pipeline module, a temperature acquisition module and a control module, and the pipeline module comprises a first pipeline and a second pipeline; one end of the first pipeline is communicated with an air conditioner air outlet, and the other end is communicated with an inlet end of an air compressor for supplying air to the air spring; the other end of the second pipeline is communicated with the inlet end of the air compressor; the temperature acquisition module is used for acquiring air temperature in the air spring, external environment temperature and air temperature of an air outlet of the air conditioner; the control module controls the first pipeline or the second pipeline to communicate with the air compressor based on the air spring internal air temperature, the external environment temperature and the air conditioner air outlet air temperature. According to the air spring cooling device, low-temperature gas can be provided for the air spring to cool the air spring, so that the air spring is always in a good temperature environment.

The utility model relates to the technical field of gas distribution rods, and discloses a multi-section combined gas distribution rod, which is characterized in that a gas supply cavity, a first gas distribution cavity, a second gas distribution cavity, a third gas distribution cavity and a fourth gas distribution cavity are arranged in a gas guide plate seat, a multi-channel gas guide structure is adopted, a plurality of gas guide channels are arranged in the gas guide plate seat, and the gas guide plate seat is provided with a plurality of gas distribution holes. The electromagnetic control valves are arranged at the intersections of the air guide channels and independently work and control, combined communication control over different air distribution cavities can be achieved through on-off combination, and the device is compact in layout, small in structural size, simple in structure, reliable in work, low in manufacturing cost and fault rate and suitable for popularization and application. By means of combined communication of the multiple gas distribution cavities, the gas distribution rod can achieve fifteen combined working modes, the coverage domain value of the gas outflow amount is wider, adjustment is more accurate, more stable and accurate control and adjustment of the water temperature can be achieved, the water temperature control is accurate, and the change is small; and the water temperature adjusting accuracy and stability of the device can be improved while the fuel gas consumption is reduced.

The application relates to a reverse deformation tool and a reverse deformation method for welding a new energy battery pack beam, which comprises a bottom plate, a backrest for positioning one end of the beam in the length direction, a positioning module for positioning a reinforcing block, a fixed pressing module for fixing two ends of the beam in the length direction, a reverse deformation adjustment module for reverse deformation adjustment of a welding position of the beam and the reinforcing block, and an auxiliary adjustment module for reverse deformation adjustment of the middle part of the beam in the length direction. The application solves the correction work after the previous welding deformation, saves a large amount of labor, eliminates the labor cost of the shaping process, reduces the situation that the workpiece is scratched after deformation and correction, avoids customer complaints, removes the correction process, eliminates the noise of workshop correction, solves the industrial production problem, can realize in-line assembly line production, and solves the situation that the frame assembly quality is unqualified due to the deformation of the bent, twisted and processed internal stress of the profile itself.

The application relates to the technical field of PCB (Printed Circuit Board) film pasting control, in particular to a kind of automatic film pasting device of PCB and its film pasting control method, the method comprises the following steps: obtaining the temperature of PCB surface film pasting and the temperature and humidity of film pasting environment in the film pasting process; analyzing the singular value characteristics of PCB surface film pasting temperature to obtain singular distribution characteristic value, and then obtaining the cooperative interference influence degree of each collection time; obtaining the response adjustment strength through the change trend of cooperative interference influence degree, combining the abnormal situation of PCB surface film pasting temperature at each position, and the heating temperature of the heater in the hot-press film pasting machine, obtaining the response heating temperature of the heater in the hot-press film pasting machine at each collection time, and combining the PID controller to regulate the heating temperature of the heater in the hot-press film pasting machine. The application can improve the film pasting quality of PCB surface.

The invention discloses a hydraulic clamping die optimization parameter control method and a CIM system. The invention relates to the technical field of quick die changing systems. Reading a LightGBM decision tree model which comprises a regression model F (x) used for fitting an independent variable x and a dependent variable y serving as oil pressure of a clamping oil way, a loss function for constraining the regression model F (x) and a hyper-parameter theta for performing gradient lifting on the regression model F (x); the hyper-parameter theta comprises conditions of tree depth, leaf nodes and split nodes; according to the system, the nonlinear relation between the mold weight and the oil pressure parameters is accurately captured through the LightGBM model, the prediction compensation mechanism and the discrete PLD controller algorithm are combined, and accurate control over the oil pressure parameters can be achieved through the system. And fluctuation and errors in the production process are reduced, and the stability and consistency of products are improved. Meanwhile, the dynamic adjustment poppet valve can adjust oil pressure parameters in real time according to the control electric signals.

The present invention discloses an environmentally friendly sowing device for raising seedlings for trees and greening, which relates to the technical field of raising seedlings and sowing, and comprises a temporary storage cabinet, wherein a weight detection component is fixedly installed inside the temporary storage cabinet, wherein the weight detection component signal is connected to a terminal processor, wherein the terminal processor signal is connected to a touch screen, wherein a conveying mechanism is arranged on one side of the temporary storage cabinet, and a tilling mechanism is arranged below the conveying mechanism. The environmentally friendly sowing device for raising seedlings for trees and greening verifies the number of seeds according to weight detection, so that the conveying mechanism conveys the seeds in the temporary storage cabinet to the tilling mechanism for sowing, and then can realize intermittent raising seedlings and sowing through automatic detection and automatic control, and control the interval of sowing by controlling the travel speed of the sowing equipment, thereby greatly enhancing the automation performance of sowing, being able to accurately control and adjust the sowing, improving the quality of sowing, and improving the convenience of using the sowing equipment.

The application relates to the technical field of trimanganese tetraoxide preparation, in particular to a trimanganese tetraoxide preparation method taking recovered manganese liquid as raw material, which comprises the following steps: in the process of preparing trimanganese tetraoxide by adopting a manganese salt primary oxidation method and taking recovered manganese liquid as raw material in a reaction kettle, the possibility of particle agglomeration caused by uneven mixing of solutes in a reaction solution is evaluated; the significance of the particle agglomeration phenomenon is measured; the stirring speed of the reaction solution in the reaction kettle is adjusted in real time; after reaction, trimanganese tetraoxide suspension sediment is obtained, then the trimanganese tetraoxide suspension sediment is washed, dried and packaged to obtain a trimanganese tetraoxide product. The application aims to accurately measure the significant degree of particle agglomeration when solutes are unevenly mixed, so as to control and adjust the stirring speed in the process of preparing trimanganese tetraoxide, and improve the preparation quality of the trimanganese tetraoxide product.

The application relates to the technical field of silver-coated nickel powder preparation, in particular to silver-coated nickel powder with compact silver layer and a preparation method, which comprises the following steps: adding nano silver ions, sodium dodecyl benzene sulfonate, deionized water and ethanol into a reaction kettle and stirring, then adding nickel powder after acid washing and sodium potassium tartrate and stirring, adding sodium hydroxide in the stirring process to obtain a nickel powder reduction liquid; adding silver nitrate and diethylene triamine into deionized water, uniformly stirring to obtain a silver source solution, heating the nickel powder reduction liquid in the reaction kettle, dropping the silver source solution into the nickel powder reduction liquid for chemical reaction, obtaining local reaction intensity and reaction consistency of each temperature measuring point in the reaction process, then obtaining reaction abnormality to obtain an expected reaction temperature, and cleaning to obtain wet powder of the silver-coated nickel powder after the reaction is completed, and the silver-coated nickel powder body with compact silver layer is prepared through drying. The application can improve the adjustment precision of the silver coating reaction temperature and guarantee the preparation quality of the silver-coated nickel powder body.

The invention discloses a beet seed drying method and equipment, and belongs to the technical field of seed drying, the beet seed drying equipment comprises a shell assembly, a placement assembly is arranged in the shell assembly, the placement assembly is used for containing beet seeds, an auxiliary unit is arranged in the shell assembly, and the auxiliary unit is used for containing the beet seeds. The auxiliary unit is used for turning over the beet seeds contained on the containing assembly and enabling the beet seeds to be flatly laid on the containing assembly, and an air blowing unit is arranged at the bottom of the shell assembly. By arranging the shell assembly, the influence of the external temperature on the temperature in the shell assembly can be effectively limited, adjustment of the temperature in the shell assembly can be accurately controlled, and by arranging the auxiliary unit, beet seeds contained on the containing assembly are turned over and flatly laid on the containing assembly; and the beet seeds can be uniformly heated and subjected to the wind action, so that the drying uniformity of the beet seeds can be improved.

The utility model discloses a bidirectional adjustable rigid supporting assembly of a generator, which relates to the field of generator supporting, and is characterized by comprising a lower supporting plate, a fixed plate, a movable plate, a vertical adjusting screw rod, a horizontal adjusting screw rod and a stop block. The problem of fatigue damage of the elastic support caused by large deviation between theoretical load and actual operation load in a severe environment is avoided, the service life is prolonged, the operation and maintenance cost is reduced, meanwhile, by means of cooperative operation of the vertical adjusting screw rod and the horizontal adjusting screw rod, the defect that the elastic support is difficult to realize accurate bidirectional adjustment is overcome, and the working efficiency is improved. Installation errors can be effectively compensated, position deviation in operation can be effectively coped, the problem of position deviation caused by deformation of an elastic element is solved, the matching precision of the generator and related parts is ensured, and extra mechanical loss is reduced.

The invention relates to the technical field of train air conditioner control, in particular to an urban rail train air conditioner control method and system based on an FPGA, and the method comprises the steps: obtaining the two-dimensional coordinate information of passengers in each compartment in the operation process of an urban rail train, and the return air temperature and return air humidity at the air port of each unit air conditioning unit in each compartment; constructing a distribution concentration degree and an air density uniformity degree, and based on the distribution concentration degree and the air density uniformity degree, obtaining ventilation adjustment force in each compartment at each sampling moment; the change condition of the ventilation adjustment strength in each compartment is analyzed to determine a ventilation demand coefficient, then the ventilation adjustment weight of each compartment at the current moment is determined, and the fresh air demand quantity in each compartment at the current moment is obtained by combining the number of passengers in each compartment at the current moment and the difference between the maximum fresh air volume and the minimum fresh air volume preset by each passenger; and the fresh air volume of the air conditioner in each compartment of the urban rail train is controlled through the FPGA processor. According to the invention, the fresh air volume in the compartment can be accurately controlled.

The utility model relates to an intelligent water temperature regulating module, including valve seat, valve seat has the cold water channel, the hot water channel, the first valve core installation cavity, the first valve core installation cavity, mixes the water cavity and mixed water flow outlet channel, its characterized in that: first valve core installation cavity installs the first valve core, and the dynamic valve piece of first valve core is driven to rotate by first motor and adjusts the cold water flow of unit time flow into mixed water cavity, second valve core installation cavity installs the second valve core, and the dynamic valve piece of second valve core is driven to rotate by second motor and adjusts the hot water flow of unit time flow into mixed water cavity, mixed water cavity is connected with mixed water flow outlet channel, and the outer surface of valve seat is equipped with the accommodation cavity for accommodating control circuit board. The outer surface of valve seat is equipped with the accommodation cavity for accommodating control circuit board, and the appropriate installation position is provided for circuit board, and the control part does not need to be additionally arranged, and the integration is higher.

The utility model belongs to the technical field of electrical automation control equipment, and particularly discloses a spinning stock bin pressure stabilization control device which comprises an electric contact pressure gauge, a control box, an inflation pipe and an exhaust pipe which are installed at the upper end of a stock bin. Through the cooperation of the control module, the processing module, the electric contact pressure gauge, the electromagnetic valve and the gas flow sensor, the electric contact pressure gauge is used for monitoring the pressure value in the stock bin in real time and transmitting the sensed pressure value to the processing module for processing, and the processing module transmits the processed data to the control module. The control module is used for controlling opening or closing of the electromagnetic valves on the exhaust pipe and the inflation pipe, and when the electromagnetic valves are opened, the gas flow sensor is used for sensing the exhaust rate in the stock bin in real time, so that the stock bin can be accurately controlled within a stable pressure range, and automatic and accurate control over the pressure of the stock bin is facilitated.

A wheel cleaning and oiling system for a sintering trolley, wherein the control system converts the dynamic coordinate position of the oiling port to be cleaned and the dynamic coordinate position of the oiling port to be filled with oil according to the moving speed of the sintering trolley and the information of the pre-positioned wheel entering and exiting the detection area; the wheel cleaning system sequentially and directionally cleans the wheel oiling port with a flexible cleaning brush according to the dynamic coordinate position of the oiling port to be cleaned; the wheel oiling system sequentially and directionally oils the wheel oiling port by fine-tuning the oiling pipe through a direction-changing fine-tuning device according to the dynamic coordinate position of the oiling port to be filled. It can complete the automatic cleaning and automatic oiling of the sintering trolley wheel system without changing the existing sintering trolley wheel structure, so as to prevent the hot and dusty working environment of the sintering trolley from causing wear and tear on the sintering trolley wheel system, and the equipment modification cost is low, and the equipment application and debugging flexibility is high.

This utility model discloses a neodymium iron boron magnet cutting device for easy fixation, including a sliding plate and a fixing assembly placed on the upper surface of the sliding plate. The fixing assembly includes an L-shaped plate, a support plate, a workpiece tray, a snap-fit ​​plate, and a connecting plate. The support plate is fixedly connected to the upper surface of the sliding plate, and the L-shaped plate is fixedly connected to the upper edge of the support plate. The connecting plate is fixedly connected to one end of the support plate. A fixing groove is provided on the connecting plate, and the snap-fit ​​plate is snapped into place through this groove. The workpiece tray is snapped into place between the snap-fit ​​plate and the L-shaped plate. The upper surface of the workpiece tray is cleaned to remove oil, dust, and other impurities, ensuring a flat and clean surface to provide a good foundation for placing the magnet workpiece. After cleaning, composite adhesive is evenly applied to the upper surface of the workpiece tray. The neodymium iron boron magnet workpieces are then placed tightly on the workpiece tray according to the design requirements. The composite adhesive is used to bond the magnet workpieces together, forming a tightly arranged array of magnet workpieces.

The invention relates to the technical field of gas generators, and discloses a gas generator set convenient to install, which comprises a case, a connecting seat is arranged in the case, a gas generator body is detachably fixed with the connecting seat through a fastening bolt, and two auxiliary movement adjusting mechanisms are installed on each of the left side and the right side of the case. The four top corners of the bottom of the machine box are each provided with a leveling mechanism, a plurality of damping mechanisms used for supporting the connecting base are installed in the machine box, the auxiliary movement adjusting mechanism comprises an adjusting screw rod, a handle, an outer spherical shell and a rolling ball head, the adjusting screw rod is connected with the machine box through threads, the handle is fixed to the upper end of the adjusting screw rod, and the rolling ball head is fixed to the lower end of the adjusting screw rod. An outer spherical shell is fixed to the bottom of the adjusting screw rod, and a rolling ball head is connected into the outer spherical shell in a rolling mode. According to the device, the gas engine is convenient to move and adjust, manpower is saved, and the gas engine is more stable and convenient to mount; and the damping function is achieved, and stable operation of the gas engine body can be conveniently kept.

The invention discloses a lithium battery intelligent rapid charging system and a charging method thereof.The lithium battery intelligent rapid charging method comprises the following steps that S1, a lithium battery is charged through a charger; s2, switching a power supply mode; s3, detection of charging switching; s4, processing the data information obtained by detection; s5, reverse control adjustment is carried out; s6, performing safety protection and early warning; and S7, carrying out optimization processing on the data. The system has the advantages that fluctuation of voltage or current is eliminated, the PID control unit can conveniently switch charging modes, charging safety of the battery is ensured, the service life of the battery is prolonged, historical data information is analyzed and processed, the battery management system can optimize and adjust the charging process, and optimization suggestions and predictive maintenance are provided.

The present invention relates to an online monitoring system for a main transformer of a 500kV substation, which solves the defect that the main transformer online monitoring system fails to realize effective data processing compared with the prior art. In the present invention, the second photoelectric coupler is used to realize electrical-to-photoelectric signal conversion to prevent electromagnetic interference, and the driving module is used to realize driving the monitoring module so that the monitoring module can realize operation monitoring, and the monitoring module is used to realize effective real-time monitoring of the system. The present invention realizes the transmission of information instructions through the first photoelectric coupler and the second photoelectric coupler, effectively reduces the influence of electromagnetic interference on signal transmission, and improves the accuracy and stability of information instructions; and when monitoring data information, the feedback module and the comparison module are used to realize the processing of data information, and realize feedback adjustment.

The utility model aims to provide a plug pin annealing heating workbench and plug pin sequential sorting annealing equipment, the workbench comprises a heating device, a workpiece bearing mechanism and an adjusting guide piece, the heating device comprises a main body part and a heating pipe extending outwards from the main body part, the workpiece bearing mechanism is arranged on the main body part, and the adjusting guide piece is arranged on the main body part. A vertically-through guide channel is formed in the adjusting guide piece, and the guide channel comprises a flaring receiving section and an adjusting guide section and is used for adjusting the bolt workpiece penetrating through the channel to be in a vertical state. The workbench can guide and correct the position state of a workpiece in the entering process of the workpiece, meanwhile, the bolt workpiece is kept in an upright state in the heating process, and local parts on the peripheral face of the workpiece do not need to make contact with a supporting component or a clamping component any more; therefore, each peripheral part on different sections of the bolt workpiece in the axial direction can be uniformly heated in the heating process, and the bolt workpiece obtains more uniform and stable mechanical properties.

The seedling protection cover for tea planting comprises protection sleeves, a telescopic transparent plate and a protection cover body, the telescopic transparent plate is arranged between the protection sleeves in a telescopic mode, bolt rods are fixedly connected to the three corners of the bottom end of each protection sleeve, and rotating bearings are rotationally matched with the middles of the bolt rods; and fixing blocks are fixedly connected to the upper end and the lower end of the inner side of the protective sleeve, threaded sleeves are rotationally connected between the fixing blocks, and threaded rods are in threaded connection with the interiors of the threaded sleeves. According to the height adjusting device, the rotating hand wheel, the threaded rod and the threaded sleeve are arranged, a worker rotates the rotating hand wheel, and the threaded rod and the threaded sleeve are in threaded fit after rotation, so that thread extension and thread recovery can be achieved, free adjustment according to the needed height is achieved, and the height can be accurately adjusted and controlled through a threaded structure; and through threaded recovery and extension of the upper and lower threaded sleeves and the threaded rod, the height is adjusted to be higher, and recovery is facilitated.

The utility model relates to the technical field of precast beam construction, and discloses a precast beam wedge block slope adjusting device which comprises a mounting bottom plate, a top supporting frame is arranged at the top end of the mounting bottom plate, a digital control board is arranged on the side edge of the mounting bottom plate, two limiting sliding rails are symmetrically arranged on the mounting bottom plate, and a wedge block is arranged on the mounting bottom plate. The high-precision elevator and the movable screw are arranged on the mounting bottom plate, so that the top end of the side connecting plate is rotationally connected with the slope plate through the first movable connecting sleeve and the limiting transmission rod, and rotation of the movable screw and vertical movement of the high-precision elevator are accurately controlled; according to the invention, the slope plate is arranged on the slope plate, and then the inclination gradient of the slope plate can be adjusted by adjusting the lifting of each high-precision elevator, so that the inclination gradient of the slope plate can be adjusted and controlled more accurately, the gradient adjustment of the slope plate is more accurate and stable, and a user can control the gradient of the slope plate accurately and conveniently.

The present invention discloses a beet seed drying method and equipment, belonging to the technical field of seed drying, comprising a shell component, wherein a placement component is arranged inside the shell component, wherein the placement component is used to hold beet seeds, wherein an auxiliary unit is arranged inside the shell component, wherein the auxiliary unit is used to turn over the beet seeds held on the placement component and to spread the beet seeds on the placement component, and wherein an air blowing unit is arranged at the bottom of the shell component. By arranging the shell component, the influence of the external temperature on the temperature inside the shell component can be effectively limited, and the regulation of the temperature inside the shell component can be accurately controlled. By arranging the auxiliary unit, the beet seeds held on the placement component can be turned over and spread on the placement component, and the beet seeds can be uniformly heated and acted upon by wind, thereby improving the uniformity of drying the beet seeds.