42results about How to "Meet the research requirements" patented technology

The invention provides dynamic simulation device and method thereof of a super and extra high voltage controllable magnetic control shunt reactor, wherein the dynamic simulation device is capable of accurately simulating magnetic control shunt reactors with different capacities in 500kV, 750kV and 1,000kV power transmission systems. A simulation body consists of three single-phase magnetic control reactors; each single-phase magnetic control reactor is in a three-column structure; two beside core columns are working iron cores; a main alternating current winding and a direct current control coil are wound on each working iron core; and main alternating current windings on the two iron core columns are connected in parallel and connected to a power grid. Control windings are separated from the main windings so as to ensure the safety and the reliability of the device during work. The main windings are provided with twelve turn-to-turn short circuit taps which can respectively simulate 1-25 percent of turn-to-turn short circuit faults from the high-voltage side and the neutral point side; and the control windings are provided with seven turn-to-turn short circuit taps which can simulate 1-25 percent of turn-to-turn short circuit faults from the neutral point side. The body of the device is provided with a current transformer and a voltage transformer on a primary side, which are used for meeting the requirement for protecting a reactor body in a dynamic simulation test.

The invention provides a method using a dynamic analog device for ultrahigh-voltage transformer type graded controllable parallel reactors, which is designed to accurately simulate a dynamic analog device for transformer type graded controllable parallel reactors with different capacities in 500 kV, 750 kV and 1000 kV power transmission systems. The primary side of the analog device body is in a single-phase discrete type, and three phases are connected to form a Y shape; and a primary winding is provided with 12 turn-to-turn fault taps which can respectively simulate 1-25% of turn-to-turn faults from the high-voltage side to the neutral point side. The secondary side of the analog device body is in a single-phase closed connection way, and the tail end is directly grounded. The capacities are divided into 9 grades: 100%, 75%, 62.5%, 56.25%, 46.875%, 37.5%, 31.25%, 18.75% and 15.625%. The primary side and the secondary side of the analog device body are respectively provided with a current transformer and a voltage transformer, thereby being capable of satisfying the demands for reactor body protection in a dynamic analog test. Aiming at the body protection on the ultrahigh-voltage controllable parallel reactors and the line protection on installation of the controllable parallel reactors, the invention provides a dynamic analog test method.

The invention discloses a circulating pipe network water quality integrative simulation test system with multichannel flow switching and calibrating devices. The system comprises a water supply subsystem and an independent circulating pipe network subsystem, wherein the water supply subsystem comprises a first water supply water tank and a second water supply water tank; the first water supply water tank is provided with a water inlet, a water outlet and a chemical filling hole; the second water supply water tank is communicated with the first water supply water tank by a pipeline with a second valve and is provided with a water inlet, a water outlet and a chemical filling hole; the independent circulating pipe network subsystem is a loop comprising a main circulating pump, a multichannelflow switching and calibrating device and a high-level water replenishing and exhausting water tank which are connected in series by virtue of pipelines; the loop is connected with a first pipeline branch for realizing closed circulation, a water replenishing system, an emptying branch, a water quality online monitoring system and a temperature control system; and meanwhile, chemical filling systems are also connected on the pipeline of the independent circulating pipe network subsystem. All the components of the system cooperate with each other and the system has the advantages of high simulation degree and capability of simulating various working conditions of municipal water supply pipe network systems.

The invention belongs to the technical field of mechanical test equipment, and relates to a shearing box device for a rock-like material. Upper box moving parts are positioned at two sides of an upper shearing box, and are connected with an upper box top and an upper box bottom respectively; an upper box bottom fixed groove is fixedly formed in the lower side of the upper box bottom; a lower box top fixed groove is fixed in the upper side of a lower box top and corresponds to the upper box bottom fixed groove; lower box top fixed rolling balls are uniformly distributed in the lower box top fixed groove; lower box moving parts are connected with a lower box top and a lower box bottom fixedly and respectively; two lower box direction moving plates are respectively fixed on the upper and lower end parts of different lower box direction fixed plates; a lower box bottom direction plate is combined with a lower box bottom threaded rod; the bottom end of the lower box bottom threaded rod is fixed on the lower box bottom, and the top end of the lower box bottom threaded rod is in contact with the lower box bottom direction plate. The shearing box device for the rock-like material is simple in integral structure principle, is flexible and convenient to use and operate, has a good observation effect, is high in sampling success ratio, is high in adaptability, and ensures high test result accuracy and environment-friendly experiments.

The invention discloses a circulating pipe network water quality integrative simulation test system. The system comprises a water supply subsystem and an independent circulating pipe network subsystem, wherein the water supply subsystem comprises a water supply water tank provided with a water inlet, a water outlet and a chemical filling hole; the independent circulating pipe network subsystem isa loop comprising a main circulating pump, an electromagnetic flowmeter and a high-level water replenishing and exhausting water tank which are connected in series by virtue of pipelines; the loop isconnected with a first pipeline branch for realizing closed circulation which can be switched to quasi closed circulation, a water replenishing system for replenishing water for the loop, an emptyingbranch for discharging the water in the loop and a water quality monitoring system; and meanwhile, chemical filling systems are also connected on the pipeline of the independent circulating pipe network subsystem. All the components of the system cooperate with each other and the system has the following advantages: the system has high simulation degree and is closer to the practical municipal water supply pipe network systems.

The invention discloses a circulating pipe network water quantity integrated simulation test system with a temperature control system. The system comprises a water supply subsystem and an independent circulating pipe network subsystem; the water supply subsystem comprises a first water supply tank and a second water supply tank, wherein the first water supply tank is provided with a water inlet, a water outlet and an agent injection port, and the second water supply tank is communicated with the first water supply tank by using a pipeline with a second valve and provided with a water inlet, awater outlet and an agent injection port; the independent circulating pipe network subsystem is a loop comprising a main circulating pump, an electromagnetic flow meter and a high-level water supply and exhaust water tank connected in series through a pipeline; and the loop is connected with a first pipeline branch for realizing closed circulation, a water supply system, an emptying branch, a water quality monitoring system and the temperature control system. The pipeline of the independent circulating pipe network subsystem is connected with an agent injection system. The circulating pipe network water quantity integrated simulation test system with the temperature control system has the advantages of high simulation degree and capability of simulating multiple actual municipal water supply pipe network system working conditions by cooperation of the components.

The invention discloses a circulation pipe network water quality comprehensive simulation test system with a stationary water pipe section, which comprises a water supply subsystem and an independent circulation pipe network subsystem; the water supply subsystem comprises a first water supply water tank and a second water supply water tank which is communicated with the first water supply water tank by a pipeline with a second valve; the independent circulation pipe network subsystem comprises a main circulating pump, a multichannel flow-switching calibration device, a visible pipe section, and a loop of a high-level water-supplementing exhausting water tank which are in serial connection by pipelines; the loop is connected with a first pipeline branch, a water-supplementing system, an emptying system, a water quality on-line monitoring system, a temperature-control system, a replacement pipe section branch, and a stationary water pipe section which are used to realize closed circulation. Meanwhile, a medicament injecting system is connected to the pipeline of the independent circulation pipe network subsystem. With the mutual cooperation of each part, the circulation pipe networkwater quality comprehensive simulation test system has the advantages of high fidelity, and capability of simulation of conditions of various actual municipal water supply pipe network systems.

The invention discloses a water quality comprehensive simulation test system with replacement pipe sections for a circulating pipe network. The system comprises a water supply subsystem and independent circulating pipe network subsystems. The water supply subsystem includes a first water supply tank and a second water supply tank communicated with the first water supply tank through a pipeline with a second valve. Each independent circulating pipe network subsystem includes a main circulating pump, a multichannel flow switch calibration device, a visible pipe section and a loop of a high water supplement and exhaust tank that are connected in series by a pipeline. The loop is in connection with a first pipeline branch for realizing closed circulation, a water supplement system, a blowdownbranch, a water quality on-line monitoring system, a temperature control system and replacement pipe section branches. Meanwhile, the pipeline of the independent circulating pipe network subsystem isalso connected to a reagent filling system. Making use of the interaction among all parts, the water quality comprehensive simulation test system for a circulating pipe network has the advantages of high simulation degree and ability to simulate the working conditions of a plurality of municipal water supply pipe networks.

The invention discloses a test device for stored/released energy of a shaped phase-change material. The test device comprises a test container, wherein the test container is connected with a signal conditioning module and an industrial controller through a guide wire respectively; an A/D (analog to digital) conversion module is arranged between the signal conditioning module and the industrial controller; the industrial controller is connected with a clock module, a display screen and a keyboard respectively. The test device for stored/released energy of the shaped phase-change material is relatively wide in scope of application, adjustable in size of a to-be-tested sample, capable of meeting research needs of a relatively phase-change material, and suitable for researching and developing a relatively thick material; a temperature distribution condition, in a phase-change process, inside the phase-change energy storage material can be tested to provide experimental data to research the phase-change mechanism; a plurality of test samples can be tested simultaneously; application environment under different conditions can be simulated by regulating the internal temperature and the size of the constant-temperature container. Compared with thermal analysis apparatuses such as a DSC (differential scanning calorimeter) which are millions of yuan in price and the like, the test system disclosed by the invention is low in cost.

The invention discloses a method and system for generating a typical working condition of the smooth fluctuation of an energy storage system. The method comprises the following steps: obtaining the working data of the energy storage system under a smooth fluctuation mode; processing the working data to generate a smooth fluctuation curve and calculating according to the smooth fluctuation curve to generate corresponding feature distribution data; segmenting the smooth fluctuation curve according to a certain unit time so as to obtain a plurality of unit smooth fluctuation curve segments; selecting a certain quantity (a) of unit smooth fluctuation curve segments to form a plurality of combined smooth fluctuation curve segments with time length of a*t; calculating according to the combined smooth fluctuation curve segments to generate corresponding feature distribution data; calculating the error values between the feature distribution data corresponding to the combined smooth fluctuation curve segments and the feature distribution data corresponding to the smooth fluctuation curve; and selecting the feature distribution data, the error value of which is less than a certain numerical value, corresponding to the combined smooth fluctuation curve segments to synthesize a typical working condition diagram of the smooth fluctuation of the energy storage system.

A giant six-legged polar research vehicle with tracked feet, including a platform, six legs arranged at six ends of the platform and six tracked feet arranged below the six legs. A monitoring device is arranged on a top cover. Six power compartments each having a steering device are arranged at six ends of a chassis in the platform. Each leg includes a main traveling device with an upper end and a lower end respectively connected to the steering device and a tracked foot, an auxiliary traveling device with an upper end and a lower end respectively connected to the chassis and the main traveling device, and a connecting device arranged on the main traveling device. The tracked foot includes a main flipping mechanism, an auxiliary flipping mechanism, a tracked foot slewing device, a crawler, a sliding plate and a suspension.

The invention discloses leonurine phenolic acid salt and a preparation method and application thereof. The leonurine phenolic acid salt comprises anions and cations, the anions are phenolic acid ions and the cations are leonurine ions. The preparation method includes the steps of S1, adding phenolic acid to a solvent in an atmosphere of protective gas (preferably nitrogen or inert gas) and ice-water bath; S2, adding leonurine to the phenolic acid for neutral reaction to obtain a solution containing the leonurine phenolic acid salt which is applicable to preparation of drugs or cosmetics. The lenourine phenolic acid ion salt, which has various functions of the leonurine and phenolic salt has the effect of enhancing oxidation resistance compared with a phenolic acid monomer, has better solubility in both oil phase and water phase.

The invention discloses a magnetic droplet accelerator and an operating method thereof, which relate to the field of droplet dynamics. The magnetic droplet accelerator comprises a droplet generator, alaser signal acquisition device, a solenoid, a coil gun module and a controller, wherein a magnetic liquid generated by the droplet generator drops into the solenoid from right above the solenoid, the laser signal acquisition device is arranged at an inlet of the solenoid, that is, where a droplet is about to fall into the solenoid, the coil gun module is connected with the solenoid and suppliespower to the solenoid, and the coil gun module and the laser signal acquisition device are each connected with the controller. The magnetic droplet accelerator occupies a small space and is convenientin placement and arrangement. The magnetic droplet accelerator accelerates the magnetic droplet by adopting a coil gun principle, and further controls acceleration of the droplet through changing anoutput voltage of a boosting module in the coil gun module, so as to achieve the purpose of controlling the droplet velocity. According to the magnetic droplet accelerator and the operating method thereof, the adjustable range of droplet acceleration is large, and the droplet is accelerated stably.

The invention relates to a carboprost tromethamine related impurity L-amyl 15-ketone and a preparation method thereof. The preparation method comprises the following steps of: (1) in the presence of afifth organic solvent, carrying out dehydrogenation reaction on methyl triphenyl phosphine halide by using strong base, adding ethyl valerate after reaction for a certain time, continuously reactingfor a certain time to obtain 1-triphenylphosphine 2-hexanone; and (2) carrying out wittig reaction on the 1-triphenylphosphine 2-hexanone obtained in the step (1) and a second organic solvent solutionof benzoyl corey lactone aldehyde to obtain a pentyl-15 ketone crude product. The method has the advantages of simple and convenient operation, high safety, and high yield and purity of an obtained product under optimal conditions, and can meet the requirements for impurity research.

The invention discloses a design method and appearance of aerodynamic layout of a plane-symmetric concave surface standard model. The design method comprises the following steps: S1, designing a contour line of a head area of an aircraft; S2, designing a plane area contour line of the surface of the aircraft; S3, designing a concave curved surface structure of the aircraft; S4, performing curved surface fillet processing on the concave curved surface structure designed in the step S3 to obtain an aircraft structure appearance; the invention provides a novel aerodynamic layout design method for a flight test standard model with a plane-symmetric concave curved surface feature and a shape generated based on the aerodynamic layout design method, and an optional standard model scheme can be provided for research on boundary layer transition.