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Tunnel volume element deformation movable monitoring system and method
InactiveCN101408410AQuick collectionDynamic acquisitionUsing optical meansProfile tracingPoint cloudMonitoring system
The invention discloses a tunnel body form deformation mobile monitoring system and a monitoring method thereof. The hardware comprises a laser scanner, a CCD camera, a speed meter, an inertial navigator, a central control unit and bar codes. The central operation control unit leads the hardware of each sensor to be synchronous, stores the data of each sensor and carries out the corresponding position and stature calculation so as to process the obtained point cloud data of the tunnel sections; the bar codes are distributed at the positions on the tunnel surface where the CCD camera can shoot and the storage position information of the bar codes is adopted as the position reference of moving carriers and sensors. The hardware of the tunnel body form deformation mobile monitoring system provided by the invention is helpful for quickly and dynamically collecting space data and for further carrying out the body form deformation analysis through three dimensional modeling and reconstruction of models so as to monitor the deformation process continuously.
Owner:SHANDONG UNIV OF SCI & TECH
Visualized pore-level planar model making method
The invention relates to the visual gap level plane module oil field exploration using man made authentic acidite micro module, choosing air penetration rate bigger than 0.2-0.3 mum natural or artificial acidite core, using fluid abietyl to fill the acidite core, sticking epoxide resin on the clean flat glass, grinding the core into the particle with diameter one third of the acidite granite, using the other of the same size to the core, connecting fluid injection and extraction at both ends of the core. The made module can vividly express the penetration rate of the oil reserve rock, suitable for oil and water alternating substitution, representing the actual flow of fluids of the underground fluids, with visuality for dynamic saturation quantitative analysis.
Owner:PETROCHINA CO LTD
Liquid crystal display panel and display device
InactiveCN108089382AEliminate gapsVisiblePrinted circuit aspectsPrinted circuit manufactureLiquid-crystal displayDisplay device
Owner:HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD
Pneumatic type coupling system for preparing large remolded clay and performing one-dimensional consolidation test
ActiveCN104596817AAvoid interferenceAvoid cumbersomePreparing sample for investigationMaterial strength using tensile/compressive forcesWater dischargeWater volume
The invention discloses a pneumatic type coupling system for preparing large remolded clay and performing one-dimensional consolidation test, which can be used for preparing a large-size cylindrical sample or hollow cylindrical sample of remolded clay in geotechnical engineering, and also can be used for performing one-dimensional consolidation test of a large clay sample. The pneumatic type coupling system comprises a displacement measuring system, a combined pressure cavity, a pore-pressure measuring system, a discharged-water volume measuring system, a pneumatic loading system and an axial tightening member. The pneumatic type coupling system disclosed by the invention has the advantages that the loading is carried out by a pneumatic mode, the pressurization is stable, uniform, measurable and controllable, the loading pressure can be more than 1.6MPa and the defect of difficult application of high pressure in weight loading is effectively overcome; a vertical metal permeable stone is embedded into a rigid and transparent sleeve to form a vertical water discharging channel, so that the defects of single water discharging channel and slow consolidation speed of traditional consolidation equipment are overcome; the pressure cavity of the pneumatic type coupling system is the rigid and transparent sleeve, so that the pneumatic type coupling system has visibility and overcomes the defect of invisibility of a traditional consolidometer.
Owner:WENZHOU UNIVERSITY
Electrical fire monitoring system
InactiveCN106355811AVisibleRealize real-time monitoringFire alarm electric actuationElectrical devicesPhysical model
The invention discloses an electrical fire monitoring system, comprising a human-machine operating module, a sensor set, a video collection module, a central processing unit, a control command preview module, a prediction analysis module, an expert estimation module, a physical model analog simulation analysis module, a simulation analysis module, and a virtual sensor. The use of multi-mode inputting manner provides great convenience for use; the input of each command is self-provided with authentication information, limiting system control rights is guaranteed, and the input of every control command is traceable; before confirmation of the output of each command, previewing the control command is required, and therefore, output errors of the control command are well avoided and every control command is visualized; real-time monitoring is provided for electrical equipment current and temperature, surroundings and the like, data estimation and analysis functions are self-provided to the system, and the technical problem that electrical fire detection is low in efficiency and poor in detection result is effectively solved; analog simulation analysis can be carried out for late development conditions of electrical equipment according to detected data.
Owner:HENAN UNIV OF URBAN CONSTR
A visualization method and system for football match data
InactiveCN109710806AComprehensive interpretationImprove visibilityVideo data browsing/visualisationSemi-structured data queryingComputer scienceXML
The invention discloses a method and a system for visualizing football match data, which enable the football match data and corresponding video clips to be combined to realize a visual effect, so thatthe football match data has the characteristics of being readable, visual and easy to understand. The method comprises the following steps: acquiring a plurality of pieces of event information from acompetition video, making an XML file of each piece of event information by taking T time as a unit, and marking an event name; Setting a plurality of football indexes according to football rules, matching each football index with a related event name to generate an event combination, and making an XML combination file; Video clips are edited for each football index in the competition video withT time as a unit, each video clip is matched with the analysis result of the corresponding XML combination file, and a playing path is paired for each video clip and the corresponding event information; and making a technical statistical chart according to the football indexes, and marking playing paths of the corresponding video clips on the football indexes. The system comprises the method provided by the technical scheme.
Owner:苏宁体育文化传媒(北京)有限公司
Experimental apparatus and method for simulating laying of propping agent and backflow of fracturing fluid
The invention provides an experimental apparatus and method for simulating laying of a propping agent and backflow of fracturing fluid. The apparatus comprises a first panel, a second panel and a frame; the first panel and the second panel are arranged in parallel; a sealed box body is formed by the first panel, the second panel and the frame; both the first panel and the second panel are transparent and are used for a user to observe the situation in a box; a transparent built-in panel is arranged in the box body; the built-in panel is in parallel with the first panel, and a cavity is formed between the built-in panel and the first panel; the cavity is used for simulating a crack; a first water containing cavity for simulating a shaft and a second water containing cavity for simulating a tip of the crack are respectively formed at left and right ends of the box body; the first water containing cavity and the second water containing cavity are respectively communicated with the cavity by communication gaps. The experimental apparatus and method provided by the invention can be convenient for the user to carry out an experiment of simulating laying of the propping agent and backflow of the fracturing fluid, and have the guiding significance for the hydraulic fracturing practical activity of the oilfield mine.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Equipment health index construction and life prediction method based on data fusion network
The invention discloses an equipment health index construction and life prediction method based on a data fusion network, and the method comprises the steps: additionally installing a plurality of sensors for detecting the working state of a machine on the machine, and constructing a machine equipment health index model through employing collected sensor data signals; and predicting the remainingservice life of the machine equipment by utilizing the constructed machine equipment health index model. With application of the method, on one hand, specific representation and visualization of riskquantification information of the degradation process of the machine equipment can be provided, and the equipment health condition prediction accuracy is improved.
Owner:PEKING UNIV
One-dimensional scanning type pupil projected display device
A one-dimensional scanning type pupil projected display device comprises an image scanning part and a key optical component. The image scanning part comprises a system light source, a developing machine, a mechanical type one-dimensional scanner, a spectroscope and a lens group. The system light source evenly projects received image information through a light-even piece, and the image information is deflected through the spectroscope to the developing machine which receives the image information to generate a picture. The developing machine projects the picture to the one-dimensional scanner through the lens group. The one-dimensional scanner reflects the picture to the key optical component which diffracts the received picture to a pupil of a user for imaging. According to the system light source, a plurality of light-emitting diodes with different wave lengths are mixed and matched to project white light. The light-even piece is a light guide pipe or a diffusing piece or a combination of the light guide pipe and the diffusing piece. According to the one-dimensional scanning type pupil projected display device, the one-dimensional scanner is matched with the key optical component, and compared with an existing imaging device, visual penetrability and high photon using rate are achieved.
Owner:NAT CENT UNIV
Color range space of human body digital tongue image color and extraction method thereof
The invention provides a color range space of a human body digital tongue image color characteristic and an extraction method thereof. The color range space is defined in an xyY standard color model plane defined by the CIE (Commission International Eclairage); a complete color range space and 98 percent of color range space of a tongue image are extracted; and a clustering color central point set of the color range space is extracted, so that a boundary curve of coated tongue natures is obtained. The invention provides an extraction method of the color range space of the human body digital tongue image color characteristic. The extraction method comprises the following steps of: extracting an image of a tongue body part by using edge segmentation; partitioning the image into small blocksaccording to the color consistence of the image by adopting a JSEG (J-value Segmentation) edge segmentation method; extracting edge pixels in a CIE xy space; and combining all pixels to obtain the color range space range of the image. When taken as a basic research of computer traditional Chinese medical science tongue diagnosis, the color range space of the human body tongue image can play a guidance role in extracting tongue color characteristics, separating coated tongue natures, extracting a color correction color block and the like.
Owner:深圳市中识健康科技有限公司
Sputum aspirator
InactiveCN101920048AReduce blindnessRelieve painTracheal tubesBronchoscopesPediatricsOptical fiber cable
The invention is a medical instrument, especially a sputum aspirator. The sputum aspirator comprises a tube body and a sputum aspirating channel, wherein the tube body is provided with an observing cavity and an oxygen injecting channel; the port of the observing cavity at the sputum aspirating end of the tube body is transparent and closed; the observing cavity is provided with a minitype camera or an optical fiber; and the other end of the minitype camera or the optical fiber is connected with the signal output end of a visual device. By adopting the above tri-cavity structure, the invention has the advantages of simplifying sputum aspirating process, improving working efficiency of nursing personnel, alleviating pain of patients and lowering medical cost for patients.
Owner:CHONGQING MEDICAL UNIVERSITY
Exposed inverted steel bar grouting sleeve prefabricated concrete column and construction method thereof
PendingCN108930360AGrouting program visibleThe grouting procedure is controllableStrutsForms/shuttering/falseworksSteel barPurchasing
The invention provides an exposed inverted steel bar grouting sleeve prefabricated concrete column, and a construction method thereof. One end of the exposed inverted steel bar grouting sleeve prefabricated concrete column is provided with an assembling tenon, the other end is exposed for a certain length, and the end part of the other end is provided with a steel bar provided with threads; the cross section of the assembling tenon is smaller than that of the column; the size of the assembling tenon is designed to match an inverted single hole semi-grouting steel bar sleeve. The construction method comprises following steps: prefabricated concrete column manufacturing, inverted steel bar grouting sleeve installation, installation temporary diagonal bracing, grouting, steel bar sleeve enclosing, and the like. The material of the inverted single hole semi-grouting steel bar sleeve is more convent for processing, purchasing, and storing, and is small in occupied space area, so that prefabricated concrete externally hung wallboard semi-embedded semi-exposed requirements are satisfied, wallboard and main structure deformation adaptation requirements can be satisfied, damage of members under earthquake action is avoided, earthquake proof safety performance is improved, and a problem in the prior art that inner wall surface decoration occupied space is too large because of protrudingof wallboard supports out from the inner wall surface is solved.
Owner:山东高速德建集团有限公司
Multifunctional electronic tour-guide flag
InactiveCN102779464AEnsure safetyGood effectPoint-like light sourceLighting elementsKey pressingEngineering
The invention discloses a multifunctional electronic tour-guide flag, which is the design that a plurality of modern electronic products are applied to the tour-guide flag. Novel telescopic designs are formed by a base node 1, a middle telescopic node 2 and a top node 3 of a tour-guide flag pole; a battery box 7, flag pole inserting, hanging and clamping devices 8 and inserting, hanging and clamping devices 9 for multifunctional boxes 11 are arranged on the base node 1 of the flag pole; an internally hidden lead 10 powers a flag surface 5 and an LED (light-emitting diode) 6; the multi-node middle drawing node 2 is a telescopic main body for the length of the flag pole and can be extended to meters and retracted to be the shortest node; the top node 3 is the part for mounting a tour-guide flag 4 and an RED identifier 6; an LED lamp decorating component 5 and an enterprise identifier LED lamp decorating component 6 are arranged at the top end and are the most main tour-guide identification lamp decorating components; a press button part 12, a video part 13, an antenna part 14 and an inserting opening part 15 are arranged on the surface of each multifunctional box 11 with the GPS (global positioning system) and intercom functions; and a battery box part, a lead 16, a microphone 17 and a micro earphone 18 are hidden in each multifunctional box 11.
Owner:张效琪
Method using light on/off mode probe to measure solution pH
InactiveCN105548174AVisibleFunctionalMaterial analysis by observing effect on chemical indicatorColor/spectral properties measurementsFluorescenceQuinoline
The invention discloses a method using a light on / off mode probe to measure the solution pH, and belongs to the field of analytical chemistry. A compound (E)-2-(2,4-dihydroxylphenyl)vinyl-8-hydroxyl quinoline is taken as the pH fluorescence probe, (probe for short). The method comprises the following steps: quantitatively measuring the pH of a solution in pH ranges of 2-5 and 10-12.4 through a fluorescence method; quantitatively measuring the pH of the solution in pH ranges of 2-5 and 5-10 through an ultraviolet-visible absorption spectroscopy method; qualitatively and semi-quantitatively measuring the pH of the solution in pH ranges of 2-5 and 10-13 through a visual method under the UV rays and sunlight; and using the probe to qualitatively and semi-quantitatively measure the pH of the solution in pH ranges of 2-5 and 10-13 under the UV rays and sunlight; wherein the pH florescence probe has a multi-stage light on / off effect: the fluorescence is on when pH is in a range of 2 to 4; the fluorescence is off when pH is in a range of 5 to 9; the fluorescence is on when pH is in a range of 10 to 12; and the fluorescence is off when pH is greater than 13.
Owner:GUIZHOU UNIV
Photosensitive resin composition for isolator
ActiveCN1734351AImprove imaging effectVisiblePhotosensitive materials for photomechanical apparatusNon-linear opticsPhotopolymerDouble bond
To provide a photosensitive resin composition for spacers capable of reducing defects in an unfilled region due to a dropping amount of a liquid crystal, capable of preventing damage by pressure on a color filter, capable of suppressing thickness variation which is unavoidable in a process, free from leaching of ions or impurities in a liquid crystal, not lowering voltage retentivity, having no effect on liquid crystal alignment, and capable of forming spacers excellent in rubbing resistance, having satisfactory voltage retentivity and liquid crystal aligning property, and excellent in developability, high sensitivity, heat stability, dimensional stability and compressive strength. The photosensitive resin composition for spacers comprises (a) a resin selected from the group consisting of (i) an alkali-soluble acrylate resin, (ii) a photopolymer resin and (iii) a mixture of these, (b) a urethane resin, (c) a crosslinkable monomer having at least two or more ethylenic double bonds, (d) a photopolymerization initiator and (e) a solvent.
Owner:DONGJIN SEMICHEM CO LTD
Image privacy protection processing technology
InactiveCN102567941AEnsure public safety monitoringVisibleClosed circuit television systemsImage data processing detailsAuthentication systemImaging Feature
The invention discloses an image privacy protection processing technology, relating to a technical method capable of encrypting / decrypting a pixel value of a local or entire range in an image. The image privacy protection processing technology comprises the steps of: 1, carrying out feature description on the image and selecting a local or entire range of the image; 2, encrypting the pixel value of the original image by using an encryption algorithm, generating an ID and an encryption key, and maintaining the generated ID in an image file; 3, combining the encrypted image with the image feature description to a picture, wherein the picture has visibility and can protect privacy in the image; 4, reading the original image by carrying out identity authentication to a central authentication system by a user, and obtaining a secret key; and 5, reading the secret key of the image through the central authentication system, decrypting the pixel value of the encrypted image, and obtaining the original image. According to the image privacy protection processing technology, the decrypted original image can be displayed under the conditions of protecting the privacy and being authorized.
Owner:无锡智科传感网技术股份有限公司
Medical suture zipper
The invention provides a medical suture zipper. The medical suture zipper comprises medical adhesive blocks 1 and 1', a long strip 2 and convex teeth 4, wherein the medical adhesive blocks are pasted on skin on both sides of a wound needing to be sutured respectively, and are made of a transparent medical plastic material; the adhesive blocks 1 and 1' have a plurality of porous structures; the long strip 2 is connected to the adhesive blocks, and is made of a flexible material; the convex teeth 4 are continuously arranged on the long strip 2 at intervals; one side of the medical adhesive block 1 and one side of the medical adhesive block 1' are coated with an adhesive; the sides coated with the adhesive are covered with a peeling layer 8; the long strip 2 is connected to the adhesive block 1; a lock catch 5 for fixing the convex teeth is fixed on the adhesive block 1'. According to the medical suture zipper provided by the invention, only one of the adhesive blocks is provided with a tape with the convex teeth, and the other adhesive block is provided with the lock catch, so that the problem of too tight or too loose traction can be avoided, the operation accuracy is increased, the appearance of scars after wound healing is ensured as far as possible, and twisted curved scars left between suture zipper units are avoided.
Owner:BOZHOU CITY THE NEW HEALTH TECH CO LTD
NB-IoT based non-magnetic intelligent water meter
InactiveCN108801383AEasy to operateAchieve securityVolume indication and recording devicesVolume/mass flow by electromagnetic flowmetersData informationThe Internet
The invention discloses an NB-IoT based non-magnetic intelligent water meter, relating to the field of Internet of Things water meters. According to the NB-IoT based non-magnetic intelligent water meter, the flow of the water meter is accurately collected and processed through the separation of non-magnetic sampling and a master control circuit board, and meanwhile, network meter reading can be realized through narrow-band Internet of Things. The water meter comprises a shell, a non-magnetic PCB sampling metering mechanism, a single chip microcomputer control circuit board, a mechanical watermeter, a battery box and the like. The water meter integrates a control machine, a master control circuit and a non-magnetic sampling circuit, the communication and exchange transmission of data information are realized, and the battery box is of a transverse design, so that the design space of a water meter shell and the economic cost of the water meter are greatly saved. By utilizing Internet ofThings and a non-magnetic sampling manner, the intelligence and accuracy of the water meter are substantially improved, meanwhile, the stability and data transferability of the water meter are extremely high, and the water meter is a symbol of a new-generation Internet of Things intelligent water meter.
Owner:JIANGSU SAIDA ELECTRONICS SCI & TECH
Visible artificial sand filling and oil flooding device with injection-production liquid level adjustment function, and application thereof
InactiveCN106703765ASimulate the realSimulation results are realFluid removalWater floodingEngineering
The invention discloses a visible artificial sand filling and oil flooding device with an injection-production liquid level adjustment function, and application thereof. The device comprises an integrated frame, a cover plate and two-way connector elements. The cover plate comprises an upper cover and a lower cover. A groove is formed in the edge of the inner wall of each of the upper end and the lower end of the integrated frame. A plurality of holes A are formed in two sides of each of the upper end face and the lower end face of the integrated frame symmetrically at equal intervals. The cover plate is provided with holes B matched with the holes A. Fixing elements penetrate the holes A and holes B to fixedly connect the cover plate with the integrated frame. At least one hole C is formed in each of the left side and the right side of the integrated frame. The integrated frame is connected with the two-way connector elements through the holes C. The two-way connector elements on one side are injection inlets, and the two-way connector elements on the other side are production outlets. The injection inlets and the production outlets have position differences. The visible artificial sand filling and oil flooding device has the advantages that injection-production wellhead liquid level differences in the actual oil production process of oil reservoirs are simulated through the height position differences between the injection inlets and the production outlets, and the visible artificial sand filling and oil flooding device has great significance in improving water-flooding development efficiency and the like.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Shionone triterpenes as well as pharmaceutical compositions, preparation methods and applications of shionone triterpenes
InactiveCN103145792AStrong noveltyVisibleOrganic active ingredientsDigestive systemTriterpeneMedicine
The invention discloses tetracyclic triterpenoids shown as in structural formula (I), i.e., shionone triterpenes including astatarone C (1), astatarone G (2) and astatarone H (3), preparation methods of the shionone triterpenes and applications of the shionone triterpenes to the preparation of drugs for preventing and treating hepatitis B viruses (HBV) and the preparation of liver protection foods and health care products, wherein R in the formula represents anti-HBV drugs taking the shionone triterpenes as active components. Test results prove that the triterpenoids provided by the invention have a better anti-HBV activity and can be used for preparing the anti-HBV drugs. A new source is provided for finding the anti-HBV drugs. An extracting and separating method provided by the invention is good in controllability and repeatability, lower in cost and more convenient to operate.
Owner:KUNMING INST OF BOTANY - CHINESE ACAD OF SCI
Electrical automation control system
ActiveCN105867279ARealize real-time monitoringEasy to useProgramme controlComputer controlControl systemMan machine
The invention discloses an electrical automation control system. The electrical automation control system comprises a man-machine operating module, a to-be-controlled equipment operating parameter acquisition module, a central controller, a control command previewing module and a control command optimizing module. Multiple input modes are adopted, great convenience is brought to use, and input of each command carries identity authentication information; on the one hand, limitation of system control authority is guaranteed, and on the other hand, input of each control command has traceability; each control command needs to be previewed before being confirmed to be output, so that output errors of the control commands are well avoided, and each control command has visuality; real-timing monitoring on the operating condition of to-be-controlled equipment is achieved, therefore, output of each control command can achieve optimal parameter adjustment, pertinence is high, and the generation efficiency is improved to a certain degree.
Owner:黑龙江省农业机械工程科学研究院佳木斯农业机械化研究所
Filter lens for electric welding and method for manufacturing filter lens for electric welding
The invention discloses a filter lens for electric welding and a method for manufacturing the filter lens for electric welding. The lens is made of resin lens materials, iron oxide particles of core-shell structures, titanium oxide particles of core-shell structures, and copper oxide nano particles of core-shell structures, wherein the iron oxide particles, the titanium oxide particles and the copper oxide nano particles are scattered in the resin lens materials, the overall weight of the nano particles is 0.5%-3.5% of the overall weight of the resin lens materials, the weight ratio of the iron oxide particles to the titanium oxide particles and the copper oxide nano particles is 1.8-2.1:1.8-2.1:0.9-1.1, the inner cores of the nano particles are made of iron oxide, titanium oxide and copper oxide, the particle sizes of the nano particles are 10 nm-50 nm, a shell is a surface finishing agent or a surface modification agent, and the thickness of the shell is 3 nm-10 nm. By the adoption of the filter lens, a workpiece can be clearly seen before arcing, harmful hard light can be filtered out after arcing, and eyes are protected.
Owner:江苏新视客光电科技有限公司
Foam pipe rheological test system and application thereof
The invention discloses a foam pipe rheological test system which comprises a foam generator, and a foam fluid test group pipe and a foam sand-containing fluid test pipe which are respectively connected with the foam generator, wherein the liquid outlet ends of the foam fluid test group pipe and the foam sand-containing fluid test pipe are connected with a settling tank; a liquid inlet of the foam sand-containing fluid test pipe is connected with a sand adding device; the foam fluid test group pipe comprises a plurality of foam fluid test pipes which are connected in parallel through pipelines; valves are arranged on the pipelines connected with the multiple foam fluid test pipes; the single foam fluid test pipe is connected to the foam generator, the multiple foam fluid test pipes are connected in parallel to the foam generator or the multiple foam fluid test pipes are connected in series to the foam generator by switching on and off the valves at different positions of the pipelines. According to the system, the foam rheological test system and a sand adding test system are combined together, so that switching of the two systems is conveniently and quickly realized by switching off the valves.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Method for maintaining cigarette blending formula by utilizing spider-shaped chart bridging method
InactiveCN106343606ASensory quality is stable and reliableVisibleTobacco preparationComputer scienceOrganoleptic
The present invention provides a method for maintaining the formula of cigarette leaf group by using the spider diagram bridging method, which includes the following steps: Step 1, draw the spider diagram of a certain cigarette product according to the scores of various sensory technical indicators of the leaf group formula R, and The above sensory technical indicators include aroma, miscellaneous gas, concentration, strength, agglomeration, roundness, body fluid, sweetness, and irritation; step 2, in the existing tobacco leaf inventory, look for alternative tobacco leaves in the leaf group formula Step 3, draw the spider graph of the scores of the sensory technical indicators of the substitute formula; Step 4, compare the spider graph of the substitute formula and the leaf group formula R, and select the bridging degree to be more than 95% The substitute formula for is the finalized substitute formula. The present invention replaces the spider diagram bridging degree of each sensory technical index of the leaf group formula, has visibility and high accuracy compared with the existing maintenance method, and does not need to rely purely on sensory evaluation.
Owner:HUBEI CHINA TOBACCO IND
Double-fed unit wind power plant dynamic equivalence modeling system and method based on simplified models
InactiveCN105320825ASimple modelReduce computing timeSpecial data processing applicationsTerrainVisibility
The invention relates to the technical field of wind power plant equivalence modeling, in particular to a double-fed unit wind power plant dynamic equivalence modeling system and method based on simplified models. Compared with the prior art, the double-fed unit wind power plant dynamic equivalence modeling system and method have the advantages that the converter model in a double-fed wind power generation system is simplified, and the calculation time consumption is greatly lowered. The unit distribution area based on the homology method is used as a grouping index, and applicability to equivalence modeling of wind power plants in different terrains is achieved; parameters, calculated through a capacity weighting method, of equivalence units are wind power plant equivalence, suitable for double-fed units of various types, of the equivalence method. Equivalence is conducted on wind turbines according to the principle of capture wind energy equivalence, and visibility is better achieved.
Owner:ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER +1
Test system of electric automobile power system
InactiveCN107272638AExtended service lifeAvoid mistakesProgramme controlElectric testing/monitoringPhysical modelAutomotive engineering
The invention discloses a test system of an electric automobile power system. The test system comprises a man-machine operation module, a brake pedal, a sensor for displacement of the brake pedal, an acceleration / speed sensor, an accelerator mistaken stepping prevention module, a braking force magnitude warning module, a data acquisition module, a central control unit, a power limiting module, a control command preview module, a prediction analysis module, an expert assessment module, a physical model building module, a virtual parameter actuation module, a virtual parameter module and a simulation analysis module. The test system of the electric automobile power system realizes comprehensive acquisition of basic situation data of a vehicle-mounted power battery, and performs prediction of a vehicle-mounted power battery situation and a future development situation through the prediction analysis module; preview of a control command needs to be performed first before confirmation of output of each command, thereby well avoiding an error of control command output, and enabling each control command to have visualized; and simulation analysis of the vehicle-mounted power battery basic situation data and a maintenance plan or emergency measures is realized.
Owner:FUJIAN UNIV OF TECH
Indoor karst subsurface erosion simulation device
InactiveCN106950166AGood for researchEasy dischargeWeather/light/corrosion resistanceKarstWater flow
The invention relates to an indoor karst subsurface erosion simulation device, which comprises a pedestal, a water tank, a soil loading container and a soil catching container. The water tank and the soil loading container are positioned on the pedestal. An open end of the water tank is communicated with one end of the soil loading container. A first filter screen is arranged at the junction of the water tank and the soil loading container. One end of the soil loading container, far from the water tank, is successively provided with a second filter screen and a sealing plate from the inside to the outside. A top cover for sealing the water tank and the soil loading container is arranged at the top of the water tank and the soil loading container. A water inlet pipe is connected onto the top cover, corresponding to the position of the water tank. The soil catching container is positioned below the outside of one end of the soil loading container, far from the water tank. The invention has the following beneficial effects: the device is used for simulating karst subsurface erosion at different hydraulic head pressures and under different water path conditions, and is beneficial to the research on the karst subsurface erosion mechanism.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY
Transparent ultrahigh-barrier composite film and preparation method thereof
ActiveCN111907161AImprove adhesionIncrease surface tensionSynthetic resin layered productsFlat articlesComposite filmInter layer
The invention discloses a transparent ultrahigh-barrier composite film and a preparation method thereof. A base material layer is prepared by combining a multi-layer co-extrusion process with corona treatment, and then evaporation enhanced coating, inorganic oxide evaporation and surface coating of a protective layer are carried out, so that the ultrahigh-barrier composite film is prepared. The ultrahigh-barrier composite film is sequentially provided with a coating protection layer, an inorganic oxide evaporation barrier layer, an evaporation enhancement layer and a base material layer; wherein the base material layer is a multi-layer co-extrusion biaxially oriented polyamide film and is sequentially provided with an upper surface layer, a first secondary surface layer, a middle layer, asecond secondary surface layer and a lower surface layer; the upper surface layer is a biaxially oriented polyamide film layer subjected to corona treatment and is compounded with the evaporation enhancement layer; the middle layer is an EVOH layer; and the lower surface layer is an anti-blocking smooth layer. The ultrahigh-barrier composite film is transparent, can be boiled in water and heated by microwaves, has excellent barrier property and excellent odor barrier property on oxygen and water vapor, and is particularly suitable for various high-grade packaging fields.
Owner:厦门长塑实业有限公司
Electrical equipment monitoring system
PendingCN107015517AAvoid mistakesVisibleProgramme controlComputer controlInput controlSystems engineering
The invention discloses an electric power equipment monitoring system. The electric power equipment monitoring system comprises a man-machine operation module, a central control module and a control command preview module; the man-machine operation module is used for users to input control commands, obtaining the identity authentication data of the users and transmitting the control commands and authenticated identity information to the central control module; the central control module is used for sending the control commands to the control command preview module, classifying the control commands according to the identity information corresponding to the control commands and storing the classified control commands; the central control module is also used for sending confirmed control commands to corresponding components according to results returned by the control command preview module; and the control command preview module is used for displaying the control commands in a simulation manner and confirming or cancelling the control commands. According to the electric power equipment monitoring system of the invention, the input of each control command carries identity information, so that the input of each command is traceable; each control command is required to be pre-viewed before the control command is confirmed to be outputted, and therefore, the error of the output of the control commands can be well avoided, and each control command has visibility.
Owner:HANGZHOU ELECTRIC EQUIP MFG +2
System and method for transmitting consumption record
InactiveCN105005890AEasy to issue automaticallyReal-timeFinanceBuying/selling/leasing transactionsInvoiceBluetooth
A method for completing transmission of a consumption record by utilizing a smartphone held by a user and using a Bluetooth wireless protocol. In order to complete communication with an undetermined device, the method utilizes a method of synchronizing a moment of a consumer transmission apparatus instead of conventional Bluetooth pairing processing, completes all the process by a program and does not require a user to participate in setting. After the consumption record transmitting and receiving step is completed, a merchant takes charge of uploading the consumption record to a consumption record management platform. By the online platform, inquiry and verification of the consumption record are implemented. By ensuring facticity of the electronic consumption record, an electronic invoice function of the electronic consumption record is realized.
Owner:郁晓东
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