20results about How to "Quick transition" patented technology

The invention provides an intelligent optimization control method and platform under variable load operation of a coal-fired power plant, and relates to the technical field of intelligent optimization control, and the method comprises the steps: calling historical operation data, carrying out the load trend change analysis, and completing the construction of a control analysis module; analyzing and outputting instantaneous PID control parameters according to the real-time load data; after the instantaneous PID control parameters are switched to, a flue gas emission acquisition module is activated; real-time flue gas emission parameters are obtained; performing denitration control optimization to obtain a real-time PID control parameter, and switching to the real-time PID control parameter; presetting a flue gas emission window, dynamically updating real-time flue gas emission parameters, dynamically updating real-time PID (Proportion Integration Differentiation) control parameters and performing seamless switching control on an SCR (Selective Catalytic Reduction) system. The control method solves the technical problem that when a control method in the prior art is used for dealing with an SCR system, efficient control is difficult to achieve under the dynamically-changing load condition, and then the denitration effect and the system stability are affected.

The invention belongs to the technical field of frequency selective surface radomes, and particularly relates to a frequency selective surface-based low-frequency wave-transparent and high-frequency reflection device and a satellite radome, which sequentially comprise a first low-pass layer, a first dielectric isolation layer, a first band-stop layer, a second dielectric isolation layer and a second low-pass layer from top to bottom, the first low-pass layer and the second low-pass layer are the same in structure, and each of the first low-pass layer and the second low-pass layer comprises first metal patch patterns which are periodically arranged; each first metal patch pattern is composed of four square ring patterns and a cross-shaped pattern, and the four ends of the cross-shaped pattern are connected with the four square ring patterns respectively; and the first band stop layer comprises second metal patch patterns which are periodically arranged. The novel low-pass layer / band-stop layer pattern multilayer structure is constructed, the effects of ultra-wideband low-frequency wave transmission and high-frequency reflection are achieved under the condition that the thickness is sacrificed, the problem that in-band ultra-wideband wave transmission and out-of-band ultra-wideband reflection are difficult to give consideration to in-band ultra-wideband wave transmission and out-of-band ultra-wideband reflection at the same time in existing frequency selection is effectively solved, and then normal work of a satellite antenna housing is guaranteed.

This utility model relates to the technical field of new energy engineering vehicle washing machine devices, and provides a new energy vehicle intelligent wheel washing machine spray cleaning device, including a canopy, side spray components on the left and right sides of the canopy, the side spray components being connected to a side spray water pump through side spray connecting pipes; a bottom spray component at the bottom of the canopy, the bottom spray component being connected to a bottom spray water pump through a bottom spray connecting pipe; a recognition camera at the inlet end of the canopy; and a recognition system control cabinet, which is electrically connected to the recognition camera, the bottom spray water pump, and the side spray water pump. This utility model provides a robust, intelligent, efficient, energy-saving, and environmentally friendly new energy vehicle intelligent wheel washing machine spray cleaning device, which can automatically adjust the cleaning mode according to different vehicle types, improving cleaning efficiency and safety, and is suitable for various complex working environments.

This invention discloses a plant protection drone for precision seeding, belonging to the field of agricultural drone technology. It includes a central body and four arc-shaped arms that can move relative to the central body. Each arm is equipped with a power unit and rotors. Driven by a deformation drive mechanism, the arms can switch between a cruising state (forming a circular shape) and an operational state (arching inward to form a three-dimensional structure). In the cruising state, the rotor planes are coplanar, resulting in high aerodynamic efficiency; in the operational state, the rotor planes are raised and moved away from the seeding device, effectively isolating the downwash airflow from interfering with the seeded material, significantly improving seeding accuracy and uniformity. This invention solves the technical problem of seeding drift caused by rotor wind fields in existing plant protection drones.

The invention relates to the technical field of vehicle thermal management control, and discloses a thermal management assembly energy efficiency optimization system driven by vehicle networking data. The system comprises a data acquisition module, an energy efficiency analysis module, a communication interface module, a cloud strategy module and a vehicle-mounted control module. The data acquisition module initializes an energy efficiency monitoring environment and continuously acquires an operation parameter sequence; the energy efficiency analysis module compares the parameter sequence with an energy efficiency reference library to generate an energy efficiency deviation index, and extracts a current scene feature vector when the index exceeds a dynamic threshold value; the communication interface module packages the feature vector into a data packet and sends the data packet to the cloud; the cloud strategy module starts a strategy derivation engine after receiving the data packet, and generates an optimization instruction sequence based on scene matching; the vehicle-mounted control module receives and executes the instruction sequence to adjust thermal management assembly parameters. According to the invention, online monitoring, intelligent diagnosis and cloud collaborative optimization of the energy efficiency of the thermal management assembly are realized, and the energy utilization efficiency of the system under different working conditions is improved.

The utility model discloses a corner reflecting device with a rotating function. The corner reflecting device comprises a cross beam, corner reflecting plates arranged at the two ends of the cross beam, a base for integrally supporting, a motor driving system arranged in the base, and a rotary supporting mechanism for connecting the cross beam and the base. The corner reflecting plate is formed by vertically welding a rectangular plate, an isosceles triangle plate and two right-angle triangular plates, and is used for reflecting electromagnetic wave signals at multiple angles. The cross beam is of an inner-outer two-stage box structure and is connected through a pin shaft, the telescopic function is achieved, and transportation and storage are convenient. Universal wheels are mounted on the base, so that the moving flexibility of the device is enhanced. The motor driving system and a second rotary support of the rotary supporting mechanism form a gear pair through a gear at the output end, and the cross beam is driven to rotate by 360 degrees. The device is simple in structure, convenient to assemble, disassemble and transfer, has a rotating function, is high in reflecting capacity and large in reflecting area, and can realize continuous reflection of electromagnetic wave signals.

The utility model relates to pile machine technical field discloses an integrated static pile press, including chassis, the vertical main arm of setting on the chassis top and the power head of setting on the main arm can move up and down along the main arm, the power head bottom is connected with several drill rods in proper order, the main arm is equipped with the hollow vertical work space, the main arm is fixedly connected with at least one vertical track in the work space, when drilling, the power head drives the drill rod at the same time, moves up and down along the track in the work space. The main arm cross section area of truss structure is increased, so the weight is reduced while guaranteeing that it has enough rigidity. This main arm structure need not set the bracing bar and can guarantee that the main arm keeps vertical and the stability of the main arm when working.

The utility model relates to a kind of high and tall steel beam welding mobile operation platform, comprising: main frame, setting in steel beam one side;Clamp plate group, including detachably connected first L-shaped clamp plate and second L-shaped clamp plate, first L-shaped clamp plate includes mutually perpendicular first horizontal clamp plate edge and first vertical clamp plate edge, and first vertical clamp plate edge is fixed on main frame upper end;Second L-shaped clamp plate includes rotationally connected second horizontal clamp plate edge and second vertical clamp plate edge, and adjustable screw rod is connected between second horizontal clamp plate edge and second vertical clamp plate edge, and the included angle α of second L-shaped clamp plate is adjusted by adjustable screw rod;Pulley group, including the first directional pulley of setting in steel beam both sides and the second directional pulley of setting in steel beam top and having self-locking function, and first directional pulley is respectively installed on main frame lower end and second vertical clamp plate edge by first pulley support, and second directional pulley is respectively installed on first horizontal clamp plate edge and second horizontal clamp plate edge by second pulley support.

This invention relates to the field of lighting circuit technology, and more particularly to a photovoltaic-powered intelligent lighting circuit that tracks the movement of people at night. The technical solution is as follows: A photovoltaic-powered intelligent lighting circuit that tracks the movement of people at night includes: a photovoltaic power generation module with a positive output terminal V+ and a negative output terminal V-; a charging management module, whose input terminal is connected to the output terminal of the photovoltaic power generation module; an energy storage battery connected to the charging management module, the energy storage battery including cells BT1 and BT2; a voltage regulator module, whose input terminal is connected to the output terminal of the photovoltaic power generation module and the output terminal of the energy storage battery, for providing a stable operating voltage VCC; and a main control module powered by the operating voltage VCC output by the voltage regulator module. This lighting circuit is applicable to various applications, has comprehensive functions, and can be customized according to customer requirements. The lighting oscillation trajectory can track the movement of people.

This invention belongs to the field of mineral exploration technology, specifically a rapid gold prospecting method based on geophysical and geochemical data analysis, including the following steps: A1. Collect geological maps, mineral maps, remote sensing images, and historical exploration data to establish an initial GIS database; A2. Collect samples and send them to the laboratory for multi-element analysis to delineate comprehensive geochemical anomaly zones dominated by gold; A3. Use X-ray fluorescence detection devices for multi-element detection to focus areal anomalies onto specific surface element concentration centers; A4. Deploy surface geophysical equipment to detect the spatial distribution, occurrence, and depth of low-resistivity, high-polarization bodies or ore-controlling structures related to mineralization; A5. Perform spatial fusion and coupling analysis of surface element anomalies, subsurface geophysical anomalies, and known geological structures to establish a comprehensive model and screen drilling verification targets; A6. Design and implement verification drilling, and conduct precise analysis using core samples to verify the accuracy of the comprehensive geophysical and geochemical prediction.

The application discloses a kind of multi-incremental power pressure equipment electric control system and power control method, electric control system includes at least one increaser and the power battery managed by battery management system, increaser and power battery are connected to DC distribution box, DC distribution box powers multiple motor inverters, multiple motor inverters correspond to control multiple motor operation;It also includes VCU controller and UDCU upper controller, UDCU upper controller is used to predict working condition and generate equipment operating parameter, VCU controller is respectively connected with UDCU upper controller, increaser, battery management system, DC distribution box, motor inverter communication, according to the operating data of UDCU upper controller generated to the optimization distribution of increaser and power battery, and through VCU controller control back-end equipment operation.The application solves the problems, such as single power supply mode, low efficiency of power system and imperfect control strategy in the prior art, and realizes efficient, stable and fast transition of pressure equipment operation in the environment without network power.

This utility model discloses an integrated set of equipment for excavation, loading, transportation, and unloading in long and deep foundation pit earthwork projects. It includes a tracked mobile bucket wheel reclaimer, a mobile telescopic conveyor, a prefabricated conveyor corridor, and a tracked mobile placing boom. After excavation, the soil from the tracked mobile bucket wheel reclaimer is fed into the inlet of the mobile telescopic conveyor. The outlet of the mobile telescopic conveyor is connected to the inlet of the prefabricated conveyor corridor, and the outlet of the prefabricated conveyor corridor is connected to the inlet hopper of the tracked mobile placing boom. The prefabricated conveyor corridor is supported by two tracked walking mechanisms near both ends. The tracked mobile placing boom is located outside the pit at the material stockpile site. This utility model eliminates the need for dump trucks for transportation, enabling efficient excavation and stockpiling of soil within deep foundation pits. Furthermore, it offers enhanced safety during transportation and stockpiling. All equipment can move via tracks, allowing for rapid relocation to the next location and improving relocation efficiency.

The curved-swept blade design method comprises the following steps that a blade in the area above the gravity center of a blade tenon rotates around the axis of an engine, the blade in the area from the gravity center of the tenon to 30% of the blade height position rotates around the axis of the engine to the blade back direction, and the blade in the area above the gravity center of the tenon to the blade back direction; and an included angle is formed between the element-level gravity center of the runner hub and the connecting line of the axis of the engine and the gravity center of the blade tenon. The invention further provides a swept-curved blade. According to the method and the swept-curved blade, smooth transition between the root end area and the middle upper part of the blade can be achieved, the problem of stress concentration is avoided, and smooth transition from the end area in the blade runner to the tenon is achieved.

The application belongs to the technical field of circuit breaker testing, and particularly relates to a circuit breaker mechanical property testing system and method based on a star flash SLB, which comprises a communication-connected handheld terminal master module, a three-phase property testing terminal slave module, a dynamic property testing terminal slave module and a control terminal slave module, wherein the communication connection is specifically wireless communication connection through a star flash SLB network complying with the star flash wireless communication system standard; the handheld terminal master module is a management node of the testing network, is used for distributing a time synchronization reference, scheduling network resources and uniformly distributing testing instructions; the three-phase property testing terminal slave module, the dynamic property testing terminal slave module and the control terminal slave module are terminal nodes of the testing network, are used for receiving the instructions of the handheld terminal master module, synchronously executing data collection or control operation based on a unified time reference, and returning result data to the handheld terminal master module. The problems of complex wiring, low efficiency and insufficient synchronization accuracy in traditional testing are solved.

The invention discloses a magnetic bearing rotor vibration compensation method of a variable step-size LMS adaptive filter, which compensates for the imbalance of a six-pole radial hybrid magnetic bearing rotor, and makes a difference between a displacement difference at a current time n and a compensation signal value at a corresponding time n-1, respectively, to obtain instantaneous values ​​of errors in the X and Y directions at time n, and adopts a quasi-spike function model to calculate a step-size factor, and adaptively adjusts a weight coefficient based on the step-size factor to calculate the compensation signal values ​​at the current time n in the X and Y directions, and when the instantaneous error value is greater than or equal to an error threshold, makes a difference between the displacement difference and the compensation signal value at the current time n, to obtain a rotor vibration compensation difference; the invention adopts a variable step-size LMS algorithm, provides a longer step-size in the initial convergence stage of the algorithm, ensures that the algorithm has a faster convergence speed, and provides a shorter step-size in the convergence completion stage of the algorithm, so that the algorithm maintains better stability in the steady-state stage, ensures control accuracy, and makes the algorithm converge quickly and has low steady-state imbalance.

The application relates to a portable coring machine and relates to the coring machine transportation technical field. The coring machine comprises a coring machine frame and a storage device, the bottom of the coring machine frame is provided with a roller, the coring machine frame is connected with the storage device, and the storage device is used for driving the coring machine frame to enter a carriage for storage. The application has the effect that the coring machine can be automatically and conveniently stored into the carriage.

A process for preparing a titanium-rich material from titanium concentrate with a high titanium recovery rate comprises the following steps: carrying out mineral separation on the titanium concentrate to obtain CaOlt; the concentration titanium concentrate comprises 0.8 wt.% of MgO < = 1.5 wt.% and SiO2 < = 1.2 wt.%; smelting the selected titanium concentrate by adopting an electric furnace to obtain molten high-titanium slag, adding sodium chloride accounting for 0.5%-10% of the mass of the molten high-titanium slag into the molten high-titanium slag, stirring, and carrying out quenching treatment to obtain quenched titanium slag; the quenched titanium slag is subjected to oxidizing roasting through a rotary kiln, the roasting temperature of the rotary kiln is 900-1000 DEG C, the roasting time is 10-30 min, and roasted titanium slag is obtained; and the roasted titanium slag is subjected to first-stage hydrochloric acid leaching to remove impurities, the leaching temperature is 140-150 DEG C, the leaching time is 2 hours, and the titanium-rich material for fluidizing chlorination is obtained. The method has the advantages of short production flow, improvement of titanium recovery rate, reduction of impurity removal cost and reduction of environmental pollution.

The invention relates to the technical field of pesticide production, in particular to a chlorothalonil lattice transformation device in a chlorination reaction gas collecting process, which is characterized in that a first-stage gas phase inlet and first-stage atomization equipment are arranged at the upper end of a first-stage thin-wall type collector, and a first-stage gas phase outlet is arranged at the lower end of the first-stage thin-wall type collector and is connected with a second-stage thin-wall type collector; a primary solid discharge hole is formed in the lower end of the primary screw conveyor and is connected with the primary screw conveyor; a second-stage gas phase inlet and a second-stage solid discharging port are formed in the lower end of the second-stage thin-wall type material collector, the second-stage solid discharging port is connected with the second-stage screw conveyor, and second-stage atomization equipment and a second-stage gas phase outlet are formed in the upper end of the second-stage thin-wall type material collector; the first-stage screw conveyor and the second-stage screw conveyor are both connected with the transformation stock bin, a discharge port of the transformation stock bin is connected with a rotary valve, an outlet of the rotary valve is divided into two branches, one branch is sequentially connected with the superfine pulverizer and the pipe chain conveyor, and the pipe chain conveyor is connected with the first-stage thin-wall type material collector and the second-stage thin-wall type material collector; and the other branch is connected with the transformed material storage system through a third rotary air blocking valve.

The invention discloses a device and method for adjusting pile position coordinates. The device comprises an outer frame which is a floatable or liftable steel structure frame and is used for providing a preliminary positioning and working platform; the inner formwork is arranged in the outer frame and used for bearing a plurality of positioning piles; the transverse adjusting mechanism is arranged between the outer frame and the inner formwork and used for driving the inner formwork and the positioning piles on the inner formwork to move in the transverse direction. The longitudinal adjusting mechanism is mounted between the transverse adjusting mechanism and the inner mold frame and used for driving the inner mold frame and the positioning piles on the inner mold frame to move in the longitudinal direction; and through cooperative action of the transverse adjusting mechanism and the longitudinal adjusting mechanism, accurate adjustment of the overall position of the multiple positioning piles is achieved. Through the cooperative working mechanism of coarse positioning of the outer frame and fine adjustment of the inner formwork, synchronous or sequential accurate positioning of the multiple pile bodies is achieved, the pile group construction efficiency is greatly improved, and the construction cost is reduced.