441results about How to "Fast adjustment" patented technology

The invention relates to the technical field of drying equipment, in particular to clothing cloth drying equipment. The clothing cloth drying equipment comprises a box body, a discharging shaft for discharging cloths, a drying module, an ironing module, an air-drying module, a rolling shaft for rolling the cloths and a controller. The top of the left side of the box body is provided with a storinghole for storing the cloths, a damping piece mounted at the bottom of the box body is arranged under the storing hole, and the discharging shaft is vertically mounted on the damping piece. The dryingmodule is used for drying the cloths, the ironing module is used for ironing the cloths, and the air-drying module is used for air-drying the ironed cloths. The rolling shaft is located on the rightside of the air-drying module, a material taking hole for taking out the cloths is formed in the top of the box body over the rolling shaft, the rolling shaft is driven through a rolling motor, and the rolling motor is electrically connected with the controller. The clothing cloth drying equipment is mainly suitable for being used in a clothing manufacturing shop and has the characteristics that the size is small, the weight is small, the price is low, and energy consumption is little.

The invention relates to the technical field of new energy power generation, in particular to a wind power cluster multi-station coordinated adaptive voltage control method, device and equipment and a medium, and the method comprises the steps: constructing a three-layer coordinated voltage control architecture of a wind power cluster AVC master station-AVC coordinated substation-rapid AVC substation, and determining hierarchical control function requirements and interlayer high-speed communication; confirming a reactive power distribution algorithm of the AVC coordination substation and the rapid AVC substation; with the response speed as a reference, reactive power resources are classified, and steady-state replacement control and emergency scheduling mainly participating in reactive power are determined; and designing a voltage control action strategy according to a reactive power distribution algorithm, steady-state replacement control and emergency scheduling, and realizing coordinated adaptive voltage control of multiple stations. According to the invention, the problems of reactive surging and bus voltage oscillation caused by reactive resource response difference and asynchronous communication are improved, the bus voltage regulation speed is improved, and the disqualification probability of the bus voltage is reduced.

The invention provides a process sizing material pretreatment scheme and a control device thereof, and relates to the field of sizing material heating pretreatment, and the process sizing material pretreatment scheme comprises the following steps: uniformly mixing to-be-treated sizing material raw materials according to a certain proportion to ensure the uniformity of the raw materials; the preparation method comprises the following steps: mixing various raw materials in an open mill, and heating and shearing to enable a rubber material to reach a certain plasticized state; the sizing material runs along the feeding conveying belt, and then the temperature of the sizing material is effectively adjusted through the control device; in the preparation process of the rubber material, the rubber material is monitored and adjusted in real time through a quality detection instrument and method, and after preparation is completed, the rubber material is used for subsequent forming and vulcanization procedures. A process sizing material pretreatment control device is arranged. Therefore, the problems that in the prior art, the quality stability of products and the process operation control of subsequent procedures are affected due to the fact that the quality problem exists in half-part extrusion caused by poor thermal plastication of an open mill on raw sheet rubber in production are effectively solved.

The invention relates to the technical field of enterprise supervision, in particular to a method for constructing an enterprise classification and grading supervision index system. According to the technical scheme, the method comprises the following steps of 1, determining a supervision target and a supervision range, and clearly supervising enterprise types and enterprise projects; 2, collecting various data related to the enterprise, including but not limited to financial data, operation data, market data and compliance data; and step 3, screening out key indexes having significant influence on enterprise classification and grading. According to the method, comprehensive and accurate evaluation is realized through multi-dimensional index screening and scientific classification, comprehensive weight determination and accurate quantitative evaluation; dynamic changes are adapted by means of regular updating, dynamic feedback early warning and flexible adjustment factors; and refined supervision and resource optimization are assisted by scientific threshold setting, enterprise development is promoted, and a benign interaction situation between supervision and enterprises is formed.

The invention relates to the technical field of stamping forming, in particular to a stamping die system and a control method thereof. The mold system comprises at least one laser displacement sensor, a plurality of self-adjusting counterbalances and a controller. The laser displacement sensor is installed on the upper die or the blank holder and used for collecting position information of a specific part of a material collecting line of a formed part in each stroke. And the automatic adjusting balance block is arranged on the blank holder. The controller is connected with the laser displacement sensor, the automatic adjusting balance block and the pressing machine. And the controller is used for controlling the automatic adjusting balance block to perform lifting adjustment and / or adjusting the blank holder force of the pressing machine acting on the blank holder based on the position information of the material receiving line from the laser distance measuring sensor. According to the invention, self-adaptive adjustment aiming at the receiving wire can be realized, the receiving wire is monitored, the change rule of the drawing forming receiving wire is disclosed, production parameters are adjusted before unqualified products are produced, and the stability of the production process is guaranteed.

The utility model discloses a calibration device for an electronic snapshot system of a fixed black smoke vehicle, which comprises a movable vehicle body, a turntable is rotatably arranged on the vehicle body, a supporting plate is arranged on the turntable, a locking handle is in threaded connection with the supporting plate, the front end of the supporting plate is hinged with a fixed plate, and the rear end of the supporting plate is hinged with a movable plate. The fixing plate is provided with a quick clamp used for fixing the blackness plate, an electric push rod is hinged to the rear end of the supporting plate, the end, away from the supporting plate, of the electric push rod is hinged to the fixing plate, a positioning rod used for supporting the fixing plate is arranged at the rear end of the supporting plate, and the rotating disc is arranged close to the rear end of the supporting plate. Compared with the prior art, dynamic and static calibration of a calibrated object is realized through the rotating turntable, the electric push rod and the moving vehicle body. The overall structure is simple, the adjusting speed is high, and the calibration efficiency is high; and secondly, the framework design is optimized, the rationality and the practical operability of the device are improved, and the weight and the cost are reduced.

The invention relates to the technical field of edible mushroom planting, and particularly provides an edible mushroom planting moisturizing system. The edible mushroom planting moisturizing system comprises a planting cabinet assembly, a spraying assembly, a fan assembly, a linkage adjusting assembly, a temperature control assembly and a plurality of planting trays. According to the edible mushroom cultivation device, uniform humidity can be provided for edible mushroom cultivation, local over-wet or over-dry conditions are avoided, healthy growth of strains is facilitated, adjusting airflow is provided, uniform distribution of moisture among the planting trays is facilitated, meanwhile, redundant moisture can be taken away, mold breeding is prevented, and when the humidity is insufficient or too high during edible mushroom cultivation, the edible mushroom cultivation device can be used for cultivation of edible mushrooms. According to the water mist spraying device, the water mist spraying amount can be dynamically adjusted, meanwhile, the air flow can be synchronously adjusted, water mist is evenly distributed in the whole planting cavity, in addition, redundant water mist and residual water mist after cultivation are reused and flow to the planting tray again through the water permeable plate in the middle of the planting cavity, and the utilization efficiency of water resources is improved.

The invention discloses a control method of a machine side converter in a slope type gravity energy storage system and a related device. The actual value of the mechanical angular speed of a permanent magnet synchronous motor can be obtained; inputting the current value and a mechanical angular velocity set value into a sliding mode speed controller to obtain a machine side q-axis current reference value output by the sliding mode speed controller; the difference value between the actual value of the d-axis current and the actual value of the q-axis current of the machine side is input into a first PI controller to obtain the output reactive voltage usq * of the machine side, and the difference value between the actual value of the d-axis current of the machine side and the reference value is input into a second PI controller to obtain the output active voltage usd * of the second PI controller; subtraction is carried out on usq * and the first feed-forward compensation item to obtain a machine side q-axis voltage reference value, and summation is carried out on usd * and the second feed-forward compensation item to obtain a machine side d-axis voltage reference value; then coordinate transformation is carried out to obtain a machine side alpha-axis voltage and a machine side beta-axis voltage; and carrying out SVPWM processing to obtain a PWM signal and drive a machine-side converter. The method has a better control effect.

The utility model provides a product exhibition and display device, and relates to the technical field of exhibition and display devices, the product exhibition and display device comprises a bottom plate, the surface of the bottom plate is fixedly connected with a back plate, the surface of the back plate is provided with an adjusting device, the adjusting device comprises two sliding plates, the two sliding plates are fixedly connected to the two sides of the surface of the back plate respectively, and the two sliding plates are arranged on the back plate. The inner walls of the sides, close to each other, of the two sliding plates are connected with a plurality of containing plates in a sliding mode, and a plurality of evenly-distributed inserting holes are formed in the surfaces of the two sliding plates respectively. The problems that when commodities of different specifications and sizes are displayed and placed, the commodities are difficult to adapt to the placing space of a placing plate, some commodities are placed too narrow, some commodities are displayed in an open and monotonous mode, the using and placing effect of the whole goods shelf is affected, and the display functionality of the goods shelf is reduced are solved.

The invention relates to a light-storage power station participation frequency modulation auxiliary market capacity configuration planning method and a medium, and the method comprises the following steps: obtaining related operation parameters of a light-storage power station, considering a photovoltaic standby part, and building a cost-income model of light-storage power station participation in auxiliary frequency modulation under auxiliary market compensation; constructing a capacity configuration model of the light-storage power station, and setting constraint conditions; and based on the capacity configuration model, taking the maximum life cycle net income of the cost-income model as an objective function, and adopting a particle swarm optimization algorithm for solving to obtain an optimal capacity configuration planning scheme. Compared with the prior art, the method has the advantages that the stability and reliability of the system are improved by participating in frequency modulation auxiliary service while the economical efficiency is improved, and the like.

The invention relates to the technical field of radio frequency microwave measurement, in particular to a tested piece harmonic test link and an active load traction system and method.The system comprises a control module and a test link. Determining a test signal value of the vector signal source in the test link and a phase adjustable signal value of the first adjustable phase vector signal source according to the target mismatch degree; then, a plurality of impedance points on the Smith chart are simulated by adjusting the amplitude and the phase of the first adjustable phase vector signal source, the vector signal source is controlled to send out a test signal value, and the first adjustable phase vector signal source is controlled to send out a phase adjustable signal value, so that a tested piece is tested; and finally, obtaining a harmonic value corresponding to each impedance point, and obtaining the maximum harmonic of the tested piece under the target mismatch degree according to the harmonic value corresponding to each impedance point. According to the invention, the impedance adjusting range and precision are higher, and the adjusting speed is higher.

The invention relates to the technical field of precision displacement platforms, in particular to a differential type precision displacement platform. According to the technical scheme, the device comprises a rack, and further comprises a coarse adjustment workbench and a precision workbench which are installed on the rack in a sliding mode, a differential fine adjustment assembly which drives the coarse adjustment workbench and the precision workbench to synchronously move in the same direction in a differential mode, and a coarse adjustment displacement mechanism which drives the fine adjustment workbench and the precision workbench to move in the same direction in a differential mode. And the coarse adjustment displacement mechanism drives the coarse adjustment workbench and the precise workbench to quickly move on the rack. Through combined use of the differential fine adjustment assembly and the coarse adjustment displacement mechanism, the problem that the adjustment speed is low due to the fact that the adjustment stroke of fine adjustment is small can be solved, and rapid adjustment is achieved by adopting a large-lead lead screw through the coarse adjustment displacement mechanism.

The invention relates to the technical field of sheet processing, in particular to a novel high-precision mercury generation device and a control method thereof.The novel high-precision mercury generation device comprises a gas supply mechanism used for controlling introduction of diluent gas and a mercury permeation mechanism used for generating pure mercury vapor; the mercury vapor output mechanism is used for diluting pure mercury vapor to output mercury vapor with set concentration, and the concentration detection mechanism is used for detecting and transmitting mercury vapor concentration information to adjust the mercury vapor concentration. According to the invention, mercury vapor with a set concentration can be accurately output, pure mercury vapor is diluted by adopting the high-range output end of the gas supply mechanism in a mode of adjusting the flow of diluent gas, and the concentration of the output mercury vapor is conveniently controlled; meanwhile, the concentration detection mechanism is adopted to detect the diluted mercury vapor and transmit mercury vapor concentration information to the gas supply mechanism, compensation and correction of the mercury vapor concentration are facilitated, the control precision is high, and the adjusting speed is high.

The invention discloses a workpiece clamping device and method, and belongs to the technical field of machine tool part machining, the workpiece clamping device comprises a base, a plurality of clamping assemblies are arranged on the upper portion of the base, and each clamping assembly comprises a suction mechanism and a clamping jaw mechanism; the clamping jaw mechanism comprises a clamping jaw seat fixedly connected with the base, a clamping jaw is arranged on the clamping jaw seat in a sliding fit mode, and a clamping jaw driving mechanism is arranged between the clamping jaw and the clamping jaw seat. The suction mechanism is in sliding fit with the base, and a fastener is arranged between the suction mechanism and the base; a shifting fork mechanism is fixedly arranged on the suction mechanism and comprises a rotatable shifting fork; in the same clamping assembly, when the shifting fork rotates to the position where the clamping jaw is clamped, the suction mechanism and the clamping jaw achieve synchronous linkage, and when the shifting fork rotates to the position where the clamping jaw is loosened, the suction mechanism is disengaged from the clamping jaw. According to the tool, workpieces of different sizes and models can be tightly sucked and clamped, so that the number of needed tools is reduced, and the cost and the occupied area of the tool are reduced.

The automatic constant-temperature water mixing valve comprises a valve body, a hot water inlet end and a cold water inlet end are arranged on one side of the valve body, a mixed water outlet end is arranged at the other end of the valve body, and a cold and hot water adjusting assembly is arranged in the middle of the valve body and used for adjusting the mixing proportion between the hot water inlet end and the cold water inlet end. A water flow guide cylinder is arranged in the mixed water outlet end, a cold water temperature sensor, a mixed water temperature sensor and a water flow sensor are arranged on the outer side of the cold water inlet end, the outer side of the cold and hot water adjusting assembly and the outer side of the water flow guide cylinder respectively, and the water flow sensor communicates with the cold and hot water adjusting assembly. According to the water mixing valve, the water temperature can be monitored in real time through the sensors, the adjusting speed is higher, the waiting time of a user is shorter due to the arrangement of the sensors, meanwhile, the proportion of cold water and hot water is adjusted according to the change of the cold water temperature, hot water can be saved, and energy waste is reduced.

The invention discloses a tip cutting and sugarcane tip prediction method for a sugarcane harvester, and the method comprises the steps: (1), adjusting the initial position of a camera after the position of the camera is obtained, and adjusting the initial position of the camera to one side without sugarcane interference; (2) obtaining sugarcane tip position data through a camera, processing the data collected in a camera picture by using a sugarcane tip identification model, and preliminarily judging whether a cutter head is too high or too low by using the obtained sugarcane tip position information; (3) performing control coarse adjustment on a tip cutting device through a control algorithm of a single-chip microcomputer according to the position information of the sugarcane tips; and (4) acquiring the position of the sugarcane tip by using a camera, acquiring accurate sugarcane tip position information from the data through a sugarcane tip identification model, judging according to the sugarcane tip identification model and a prediction result, and finely adjusting the tip cutting device through a control algorithm of a single chip microcomputer. According to the method, the impurity rate and the loss rate of the sugarcane harvester during tip cutting can be reduced, and meanwhile a large amount of manual labor is saved.

The invention relates to a rubber material pretreatment control device, which solves the problems that the quality of extruded half parts is poor, the product quality stability is influenced and the subsequent process operation is not easy to control due to poor thermoplastic plastication of an extruder on raw sheet rubber in the production, and is provided with a bracket, a PLC (Programmable Logic Controller) control system, a first temperature detection probe and a temperature control system, the temperature control system is provided with a circulating water temperature control device, an electromagnetic valve, a heating roller and a power system, the PLC control system, the first temperature detection probe, the circulating water temperature control device and the heating roller are installed on the support, the electromagnetic valve is installed on the heating roller, and the power system is connected with the heating roller. The PLC control system is electrically connected with the first temperature detection probe, the electromagnetic valve and the circulating water temperature control device, and the circulating water temperature control device is connected with the heating roller. The device is used in the field of sizing material heating pretreatment.

The utility model relates to an automatic channeling device capable of adjusting the center height. The groove rolling mechanism comprises a groove rolling mechanism body, a base and a groove depth adjusting mechanism, and is structurally characterized by further comprising a screw elevator, an oil cylinder, a coupler, a power source and a steering gear, the screw elevator, the power source and the steering gear are all installed on the base, the power source is connected with the steering gear, and the oil cylinder is connected with the coupler. The steering gear is connected with the screw elevator through the coupler, the channeling mechanism body is installed on the screw elevator, the oil cylinder is installed on the channeling mechanism body, the groove depth adjusting mechanism is installed on the oil cylinder, and the groove depth adjusting mechanism is matched with the channeling mechanism body. The device is reasonable in structural design and convenient to use.

A control method for the analog input / output setting mode of a hydro-generator monitoring system includes a newly added program for identifying input / output pulses. The control logic is as follows: ① If an input pulse command of 1 is detected, the analog input / output setting value = analog input / output setting value + fixed step size; otherwise, the analog input / output setting value remains unchanged. ② If an input pulse command of 1 is detected, the analog input / output setting value = analog input / output setting value - fixed step size; otherwise, the analog input / output setting value remains unchanged. A new analog input / output setting value initialization program is also included, employing the following control logic: When other control modes are switched to analog input / output setting mode, the current input / output setting feedback value sent by the governor is assigned to the analog input / output setting value as the initial value. This invention can improve the guide vane opening and active power regulation speed, enhance equipment stability and reliability, reduce intermediate links and fault points, lower equipment failure rate, and ensure the safe, stable, and high-quality operation of the generator unit and the power grid.

The invention discloses a line reference conversion device, relates to the technical field of machining, and is used for solving the technical problems of machining interruption, pause and large error caused by the fact that a machining machine cannot recognize a line reference in the prior art. The line reference conversion device comprises an alignment assembly, a fixing assembly, an adjusting assembly, a shell and a placing plate, the alignment assembly, the fixing assembly and the adjusting assembly are connected with the shell, the shell is connected with the placing plate, the adjusting assembly is used for adjusting the alignment assembly, and the placing plate is used for placing a workpiece. According to the alignment assembly, the plane where the line reference on the workpiece is located can be converted into the reference plane on the alignment assembly, so that collection, conversion and recognition of the line reference are achieved, errors are reduced, and automatic machining is facilitated.

The utility model discloses a kind of general carriers suitable for a variety of special-shaped PCB mounting, belong to PCB mounting carrier technical field, including shell, the inside fixed connection of shell has carrier plate, by the carrier plate in shell forms storage space, phase-change medium is placed in the storage space;Through the solid-liquid phase change characteristic of phase-change medium, temperature control is carried out with heating coil, can make supporting component with PCB shape dynamic adjustment deployment position and height, after melting, phase-change medium allows supporting component free displacement, after cooling solidification forms stable support structure, can perfectly adapt to different curvature, concave-convex structure special-shaped PCB, solve the problem that magnetic attraction is not stable, easily affect production, the control mechanism set with heating and cooling two modes, phase-change medium can be quickly melted by heating coil, then cooling water circulation is driven by miniature pump body, can be quickly completed medium solidification, simple and convenient to use, and adjustment speed is fast.

This invention relates to the field of illuminance detection technology and discloses an illuminance meter capable of continuous horizontal and vertical illuminance detection. The meter includes a tripod mechanism with a height adjustment mechanism at its top. This height adjustment mechanism comprises a quick-adjustment rod, a fine-tuning screw, and a height adjustment ring. The quick-adjustment rod can slide at the end of the tripod mechanism. The height adjustment ring and the fine-tuning screw are both located at the top of the quick-adjustment rod. When the height adjustment ring rotates, it drives the fine-tuning screw to move axially. This illuminance meter, capable of continuous horizontal and vertical illuminance detection, allows for multi-directional tilt adjustment of the illuminance meter probe through two sets of tilt adjustment mechanisms working together. This ensures the illuminance meter probe remains horizontal, improving detection accuracy. Furthermore, the tilt adjustment mechanisms operate via a worm gear mechanism with a self-locking effect, ensuring stability after adjustment.

The scaffold with the height capable of being rapidly adjusted comprises a scaffold body and an adjusting assembly, the adjusting assembly is movably placed on the upper side of the scaffold body, the four corners of the upper end of a base are each movably provided with a stand column, and a plurality of bearing plates are movably inserted into the upper sides of the four stand columns. Compared with the prior art, the adjusting assembly comprises a first lifting frame, a second lifting frame and a connecting cylinder, and has the following beneficial effects that by arranging the adjusting assembly, the first lifting frame and the second lifting frame can synchronously ascend or descend, a user does not need to manually support the bearing plate to adjust the height, the adjusting speed of the bearing plate is greatly increased, and the working efficiency is improved. And through arrangement of a top plate and an elastic plate, the bearing area of the first lifting frame and the second lifting frame on the bearing plate can be enlarged, meanwhile, direct hard contact between the top plate and the bearing plate can be avoided, damage to the bearing plate in the jacking process is avoided, and the use safety of the adjusting assembly is improved.

The present invention discloses a sample storage device based on a microorganism incubator, and relates to the field of microorganism sample storage. The present invention comprises a box, a storage drawer arranged inside the box, a power assembly, a transmission assembly, a sealing assembly, and a temperature control assembly. By arranging a first sealing portion and a second sealing portion, when the storage drawer is moved out of the box, the storage drawer is away from a delivery pipe, at which time the second sealing portion on the delivery pipe no longer abuts against the first sealing block, the first telescopic rod and the first spring are reset and rebounded, so that the first sealing block seals the opening to prevent the gas in the temperature control chamber from being lost, and at this time the second sealing portion also seals the pipe opening of the delivery pipe to prevent the air in the ventilation pipe from leaking, and prevent the temperature in the incubator from being lost, so that the temperature is balanced before and after storing and taking out the sample, and the growth efficiency and growth environment of the microorganism are guaranteed.

The utility model belongs to the technical field of projection equipment, and discloses a projector for volunteer filling training, which comprises a storage box with an upward opening and a mounting frame capable of extending into the storage box in a sliding manner, a projection main body is supported on the mounting frame, the top of the mounting frame is fixedly connected with a box cover, and the box cover is fixedly connected with a projector. A clamping mechanism used for fixing the projection main body is arranged at the bottom of the box cover, the clamping mechanism comprises a gear rotationally connected with the box cover and two clamping plates symmetrically connected to the bottom of the box cover in a sliding mode, racks are fixedly connected to the two clamping plates, and the two racks are meshed with the two sides of the gear respectively. According to the utility model, the clamping mechanism is arranged, and the engaged racks at the two sides move relatively by rotating the gear, so that the two clamping plates are close to each other and clamp the projection main body, the fixed installation of the projection main body is realized, the operation is simple, and the rapid installation and disassembly of the projection main body can be realized.

The invention relates to a seat adjustment drive (10; 10a to 10c) for longitudinally adjusting a seat (1), comprising an electric motor (16) which at least indirectly cooperates with a drive spindle (14) as part of an adjustment transmission (22).

The utility model relates to a multifunctional steam milk bar, including the tubular body, one end connects the steam source, and the other end sets up the blast hole, sleeve, sleeve sets up on the tubular body, the sleeve and the tubular body form the air cavity between, and the sleeve sets up the inflation hole intercommunication air cavity on, around the inflation hole, the surface of sleeve sets up the adjusting cylinder, adjusting sleeve, set up in the adjusting cylinder, adjusting sleeve sets up the air inlet groove A on, the air inlet groove A intercommunication inflation hole, adjusting head, extends into the adjusting cylinder, adjusting head sets up the air inlet groove B on, wherein, the sleeve opening sets up close to the blast hole one end, and the other end of sleeve and tubular body between seal connection, around the axis of rotation adjusting head adjusting head, the air inlet groove A and the air inlet groove B intercommunication or break off, the utility model discloses through the adjusting head on the sleeve, can intercommunication or break off the air inlet groove A and the air inlet groove B, realize the quick switching of multifunctional steam milk bar's work mode, and the switching mode is simple and quick, and the use efficiency of multifunctional steam milk bar is improved.

The utility model discloses a kind of adjustable resistance spin bikes, including spin bike body, flywheel is installed on the spin bike body, the bottom bracket of the spin bike body is fixedly installed with base by bolt, one end of the base is rotatably installed with rotating shaft, the outside symmetry of the rotating shaft is rotatably installed with magnetic resistance component, by hand control adjustment handlebar rotation can be tightened to steel wire rope, can drive rotating shaft rotation, in turn can drive magnetic resistance component rotation along the central axis of rotating shaft, when specified rotation angle interval, the adjustment speed of magnetic resistance area is faster, improve the control effect to flywheel, by when using spin bike body control hand simultaneously holding the handle of spin bike body and adjustment handlebar, by hand control adjustment handlebar rotation can be tightened to steel wire rope, can drive rotating shaft rotation, manually adjustable magnetic resistance area in the use process of spin bike body, convenient to use.

The present invention provides a voltage and frequency regulation control system based on simulation modeling. The power grid connection relationship is drawn according to a primary wiring diagram, basic equipment is simulated and modeled, dynamic and static parameters of the equipment are input, and a network hierarchical topology is built to form a voltage and frequency regulation control system. The frequency and voltage regulation control system includes a power grid main station, a power grid substation, a dynamic monitoring system and a control system. The dynamic monitoring system is used to capture and monitor the dynamic data of various equipment in the power grid main station and the power grid substation in real time, and monitor the data. The control system is used to regulate various parameters of the substation. The power grid main station is used to regulate the power grid substation after summarizing the monitoring data. The present invention realizes real-time monitoring and control of the power grid and rapid frequency and voltage response.

The utility model relates to an adjustable CV sleeve opening for a packaging machine, and belongs to the field of packaging machines. According to the technical scheme, the device comprises a body and an adjusting plate movably arranged in the body and further comprises a mounting plate, the mounting plate is fixedly arranged on the body, a threaded hole is formed in the mounting plate, an adjusting rod is arranged in the threaded hole and is in threaded connection with the threaded hole, and the two ends of the threaded rod are located on the two sides of the mounting plate respectively. One end of the threaded rod can abut against the adjusting plate. By arranging the mounting plate and the adjusting rod in threaded connection with the mounting plate, movement of the adjusting rod can be achieved by rotating the adjusting rod, then movement of the adjusting plate abutting against the adjusting rod is completed, a worker does not need to repeatedly knock and adjust the two sides of a sleeve opening to achieve the purpose that the sleeve opening reaches the preset position, maintenance complexity is avoided, the maintenance time is shortened, and the maintenance efficiency is improved. And in addition, the adjustment precision of looping in a threaded connection mode is high, the product quality is improved, and the rework rate is reduced.