12results 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 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 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 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 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.

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 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.