Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

55results about How to "Easy to visualize" patented technology

Device for testing jet flow drag reduction effect of two-dimensional plane

The invention aims at providing a device for testing the jet flow drag reduction effect of a two-dimensional plane. The device comprises a water tank, a water pump and a test section, wherein the test section comprises a two-dimensional channel, a two-dimensional channel inlet is arranged at one end of the two-dimensional channel, a two-dimensional channel outlet is arranged at the other end of the two-dimensional channel, the two-dimensional channel inlet is in a gradually reducing shape, the two-dimensional channel outlet is in a gradually expanding shape, a grid type rectifying section is arranged between the two-dimensional channel inlet and the two-dimensional channel, the water pump is communicated with the water tank, the water pump is communicated with the two-dimensional channel inlet through an inlet pipeline, the two-dimensional channel outlet is communicated with the water tank through an outlet pipeline, a speed regulator valve, an electromagnetic flow meter and a pressure meter are arranged on the inlet pipeline, the inlet pipeline is also communicated with a backflow pipeline on which an overflow valve is arranged, and the backflow pipeline is communicated with the water tank. The device has the advantages of low cost, compact structure, small size, convenience in daily maintenance and low noise. The device can be used for testing the drag reduction effect of jet flow surfaces and non-smooth surfaces and can also be used for conventional fluid dynamic tests.
Owner:HARBIN ENG UNIV

Internet of Things based oil feeding and discharging state remote monitoring device for oil tank truck

InactiveCN106289409ARealize remote real-time quantitative monitoringEasy to manageMeasurement devicesTransmission systemsMicrocontrollerData acquisition
The invention discloses an Internet of Things based oil feeding and discharging state remote monitoring device for an oil tank truck. The device comprises a remote monitoring system and an oil tank truck detection system. The oil tank truck detection system comprises an oil quantity detection sensor, a data acquisition module, a microcontroller, a positioning module and a wireless communication module, the oil quantity detection sensor detects real-time quantity of oil in the oil tank truck, and the positioning module acquires a real-time position of the oil tank truck. The oil quantity detection sensor is connected with the microcontroller through a data acquisition module, the positioning module is connected with the microcontroller, and the microcontroller is connected with the remote monitoring system through the wireless communication module. The Internet of Things based oil feeding and discharging state remote monitoring device for the oil tank truck is effective in real-time quantitative remote monitoring of oil quantity variation and operating condition information of the oil tank truck and has advantages of simplicity, economy, convenience, intelligence, visualization, timeliness, easiness in operation and the like; especially, oil feeding/discharging quantity, remaining oil quantity and the like of the oil tank truck at different sits can be monitored automatically; in addition, an onsite control function is provided to make it convenient for manual operations under special or emergency conditions.
Owner:四川锦宸嘉宝科技有限公司

Online identification and visualization method for power grid disturbances based on multi-resolution wavelet analysis

The invention relates to an online identification and visualization method for power grid disturbances based on multi-resolution wavelet analysis, which belongs to the technical field of wide-area dynamic monitoring and visualization of power systems. The method comprises the following steps: carrying out offline simulation analysis on the features of typical dynamic disturbance accidents in power grid, and selecting a wavelet function Psi and the decomposition layer-number I corresponding to the obtained maximum wavelet coefficient energy as online wavelet multi-resolution analysis tools; carrying out regionalization according to the PMU (power management unit) configuration situation of a target power grid, so that each region has one and only one PMU substation for measurement, and transmitting frequency signals measured by each PMU substation to a WAMS (wide area measurement system) master station; acquiring frequency signals of each PMU substation from the WAMS master station, and carrying out I-layer online wavelet multi-resolution analysis on the frequency signals by using the determined wavelet function so as to obtain wavelet coefficients of an I(th) layer; and discriminating disturbance occurrence time, disturbance occurrence potion and disturbance type according to the wavelet coefficients; and carrying out visualized display through taking a map as the background. The method disclosed by the invention can improve the running reliability of an electrical power grid.
Owner:TSINGHUA UNIV +1

Ethylenediamine schiff base type sweat fingerprint fluorescent reagent, synthesis and use thereof

The invention discloses an ethylene diamine Schiff base sweat latent fingerprint fluorescent developing agent and synthesis and application thereof. The structure of the compound is as shown in a formula (I); and the compound mainly comprises a bi-(4, 5-di-azafluorene-9-ketone) shrunk ethylene diamine Schiff base fingerprint fluorescent developing agent and a bi-(2-hydroxybenzoic methylene) shrunk ethylene diamine Schiff base fingerprint fluorescent developing agent. The compound shrunk ethylene diamine Schiff base fingerprint fluorescent developing agent has good fluorescent stability, high fluorescence intensity and wide spectral range of exciting light, and can be all excited to emit fluorescent light and reveal fingerprints within the range of wavelength light between 365 and 550 nanometers. Because the ethylene diamine Schiff base sweat latent fingerprint fluorescent developing agent can be all excited to emit the fluorescent light and reveal the fingerprints within the range of the wavelength light between 365 and 550 nanometers, the fluorescence performance of the ethylene diamine Schiff base sweat latent fingerprint fluorescent developing agent is superior to that of DFO and WOP fluorescent developing agents at abroad, thereby the ethylene diamine Schiff base sweat latent fingerprint fluorescent developing agent reduces the requirement on an excitation light source when used and is favorable for being promoted and used in actual combat compartments of grass-root units.
Owner:JIANGSU POLICE INST

Connector hard sealing structure for corrugated stainless steel hose

The invention discloses a connector hard sealing structure for a corrugated stainless steel hose. The connector hard sealing structure comprises the corrugated hose, a nut and an externally threaded connector. The corrugated hose and the externally threaded connector penetrate into the nut from the two ends of the nut respectively and are connected through the nut. The connector hard sealing structure further comprises a split type clamping ring capable of stopping the nut from being disengaged, the clamping ring is arranged on the corrugated neck portion at the end of the corrugated hose which penetrates into the nut, and a ring cavity of the clamping ring is a cone. A pipe opening corrugated ring, placed in the ring cavity of the clamping ring, of the corrugated hose is a conical ring which is clamped on the conical face of the ring cavity of the clamping ring in a corrugation shaping mode. A metal ring is inlaid on the end conical face of the externally threaded connector with the nut and the corrugated hose screwed therein, and the end conical face of the externally threaded connector is matched with the conical ring. The connector hard sealing structure for the corrugated stainless steel hose is simple in structure, convenient to manufacture, rapid to dismount and mount, firm and reliable, capable of replacing an original rubber pad sealing structural mode, capable of achieving efficient sealing, high in practicability, low in material cost, small and exquisite in connector size, compact and attractive in appearance, high in superior product rate, long in service life and particularly suitable for rapidly connecting small-caliber metal hoses.
Owner:WUHU TAIHE PIPE IND

Real-time analysis and processing method and system for streaming data

The invention relates to a real-time analysis and processing method and system for streaming data. The method comprises the steps of obtaining a graphical processing rule configured by a graphical configuration tool, and converting the processing rule into an sql sentence; obtaining streaming data which needs real-time analysis and processing; extracting keywords from the streaming data; drawing a wide table according to the key words; and performing real-time analysis and processing on the streaming data according to the sql sentence and the wide table. By virtue of the real-time analysis and processing method and system for streaming data provided by the invention, the development efficiency can be improved effectively; the processing rule is configured by the graphical configuration tool, so that whether the caliber is accurate or not and how to convert into a professional technical language is not needed to be determined by a technical staff, so that business configuration efficiency is improved; therefore, the ever-present problem that the business personnel cannot configure the business caliber independently is solved; and in addition, real-time and visual data display can be realized by the graphical configuration tool.
Owner:北京思特奇信息技术股份有限公司

Distributing type meeting method based on SIP protocol

The invention provides a distributing type meeting method based on an SIP protocol, which comprises the following steps: meeting IDs of various meetings are preset, and the connection between a meeting originator and meeting participants of various meetings is established according to the meeting ID; during the process of the meeting, the meeting originator sends a first meeting notification to the meeting participants according to the meeting ID; and the meeting participants acquire the attribute information of other meeting participants of the meeting according to the first meeting notification. According to the technical scheme provided by the invention, the probability of the false operation of the user is decreased; meanwhile, the attribute information of other meeting participants of the same meeting is sent to the meeting participants by the meeting originator in the manner of the first meeting notification according to the meeting ID, so that each meeting participant can get the attribute information of other meeting participants in the meeting, the interactive quality of the meeting information is improved, and the user can get a better meeting effect; therefore, the distributing type meeting method based on an SIP protocol is particularly suitable for simultaneously holding various meetings under the distributing type meeting structure.
Owner:GUANGDONG VTRON TECH CO LTD

Urban heat island intensity quantification method and system, storage medium and equipment

The invention relates to an urban heat island intensity quantification method and system, a storage medium and equipment. The method comprises the following steps: acquiring and preprocessing remote sensing image information of a target area; performing inversion calculation on the preprocessed remote sensing image information to obtain surface temperature information; performing local space autocorrelation analysis on the target area according to the surface temperature information; and calculating the relative urban heat island strength of the local space and carrying out ward minimum variance clustering analysis to determine the urban heat island strength grade of the local space. According to the invention, the remote sensing image is subjected to preprocessing and inversion calculation to obtain the surface temperature information, and local space autocorrelation analysis is carried out to obtain the average value of the surface temperature information of the target type of the local space, so that the relative urban heat island intensity and urban heat island intensity level of the local space are accurately calculated; the problems that an existing method is difficult to ignore, application limitation is caused, and the surface temperature is affected by the surrounding environment are greatly solved, the quantification result is accurate, and the application range is wider.
Owner:HUAZHONG AGRI UNIV

Degradable curcumin derivative-polylactic acid-polyglycolic acid composite film, and preparation method thereof

The invention relates to a degradable curcumin derivative-polylactic acid-polyglycolic acid composite film, and a preparation method thereof. The preparation method comprises following steps: polylactic acid and polyglycolic acid at a certain mass ratio are completely dissolved in 30 to 100ml of an organic solvent respectively; heating stirring is carried out, the temperature is controlled to be 60 to 100 DEG C, thermal insulation reaction is carried out for 0.5 to 3.0h, reduced pressure evaporation is adopted to remove the solvent, and washing and vacuum drying are carried out so as to obtainPLGA (polylactic acid-polyglycolic acid) white powder; certain amounts of L (curcumin derivative) and PLGA are weighted, and are dissolved in an organic solvent at a certain mass ratio, ultrasonic dispersion is carried out for 1 to 3h at 40 to 60 DEG C (or backflow reaction is carried out for 2 to 5h at 60 to 90 DEG C), an obtained product is introduced into a culture dish, solvent volatilizationis carried out so as to obtain uniform L-PLGA; ethanol and water are adopted to wash the obtained composite film respectively for a plurality of times, the composite film is introduced into a vacuumdrying box for drying at 50 DEG C so as to obtain a solid stage target product. According to the preparation method, polylactic acid, polyglycolic acid, and the curcumin derivative are taken as main film forming materials; the obtained degradable curcumin derivative-polylactic acid-polyglycolic acid composite film can be degraded easily at normal temperature; the toxicity is low; fluorescence optical properties are improved obviously; the preparation method is simple, and is suitable for large scale production.
Owner:ANHUI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE

Online identification and visualization method for power grid disturbances based on multi-resolution wavelet analysis

The invention relates to an online identification and visualization method for power grid disturbances based on multi-resolution wavelet analysis, which belongs to the technical field of wide-area dynamic monitoring and visualization of power systems. The method comprises the following steps: carrying out offline simulation analysis on the features of typical dynamic disturbance accidents in power grid, and selecting a wavelet function Psi and the decomposition layer-number I corresponding to the obtained maximum wavelet coefficient energy as online wavelet multi-resolution analysis tools; carrying out regionalization according to the PMU (power management unit) configuration situation of a target power grid, so that each region has one and only one PMU substation for measurement, and transmitting frequency signals measured by each PMU substation to a WAMS (wide area measurement system) master station; acquiring frequency signals of each PMU substation from the WAMS master station, and carrying out I-layer online wavelet multi-resolution analysis on the frequency signals by using the determined wavelet function so as to obtain wavelet coefficients of an I(th) layer; and discriminating disturbance occurrence time, disturbance occurrence potion and disturbance type according to the wavelet coefficients; and carrying out visualized display through taking a map as the background. The method disclosed by the invention can improve the running reliability of an electrical power grid.
Owner:TSINGHUA UNIV +1

Detection method of grouting compactness for assembly-type shear wall pipeline

The invention relates to a detection method of grouting compactness for an assembly-type shear wall pipeline, and belongs to the technical field of the quality inspection of building engineering. The method comprises the following steps: step I, wearing a combined detection apparatus; step II, detecting an impact echo; and step III, measuring the compactness. According to the detection method, elastic wave data is acquired by virtue of a sensor, an equivalent wave velocity is calculated by adopting computing software, and spectral analysis is performed on the obtained equivalent elastic wave velocity of other test points according to the calculated equivalent wave velocity and converted to a color contour map which is convenient to intuitively judge. The detection method is high in field operability, simple in data acquisition, unapparent in response to the signal of metal materials such as steel reinforcing bars and the materials such as plastic pipelines and has clear signal response to the grouting compactness of the pipeline, the analysis can be performed according to the spectral data converted from the equivalent wave velocity, the data signal can be converted to the color contour map for convenience in intuitive display, and the beneficial effect is remarkable.
Owner:ANHUI BUILDING ENG QUALITY SUPERVISION & TESTING STATION

Uneven-shoulder detecting and correcting device for department of orthopedics

The invention discloses an uneven-shoulder detecting and correcting device for a department of orthopedics. The uneven-shoulder detecting and correcting device comprises a base, wherein a measuring platform which is used for carrying out body weight measurement is arranged at the upper side of the base, brackets are arranged at the left and right sides of the measuring platform, a lifting-adjustable display correcting component and a detachable standing posture surveying rod are separately arranged at the front and back sides of the measuring platform, and a laser shoulder positioning component which is used for positioning a shoulder region of a user is mounted on each bracket; and laser formed by the two laser shoulder positioning components forms two horizontal rays with up-and-down horizontal height difference on the display correcting component. Laser is emitted from the laser shoulder positioning components of both shoulders of the user, is reflected through a reflecting mirror and then is displayed on a mirror surface of a mirror, the height difference between the two horizontal laser rays, i.e., an upper horizontal laser ray and a lower horizontal laser ray is height difference between a higher shoulder and a lower shoulder, and thus, visual display of the height difference between the higher shoulder and the lower shoulder is facilitated.
Owner:THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV OF SCI & TECH

Fluorescent conjugated polymer, preparation method and application in development of grease fingerprints and blood fingerprints

The invention relates to a fluorescent conjugated polymer, a preparation method and an application of the fluorescent conjugated polymer in development of grease fingerprints and blood fingerprints. The preparation method comprises the following steps: synthesizing a cationic polyphenyleneethynylene thienyl fluorescent conjugated polymer through a Sonogashira coupling reaction and a subsequent substitution reaction, and dissolving the cationic polyphenyleneethynylene thienyl fluorescent conjugated polymer in a solvent to obtain the fingerprint developing liquid. The fingerprint developing liquid provided by the invention is effective for grease fingerprints and blood fingerprints, after a proper amount of developing liquid is dropwise added to an object and incubated together with the fingerprints for a period of time, and redundant developing liquid is absorbed and naturally aired, the bright fingerprint streaklines can be observed under 365 nm ultraviolet light. The fingerprint development liquid based on the cationic polyphenyleneethynylene thienyl fluorescent conjugated polymer provided by the invention can overcome the interference of background patterns, can develop grease fingerprints and blood fingerprints on different objects, and has the characteristics of simple preparation process and convenient development operation.
Owner:SUZHOU UNIV

Ship SCR control system

The invention discloses a ship SCR control system. The ship SCR control system comprises a ship SCR spraying controller, an exhaust temperature sensor, a nitrogen-oxygen sensor, a proportional valve,a urea spray gun, a safety controller, an atmosphere bypass valve, an SCR front bypass valve, an SCR rear bypass valve, a differential pressure transducer and an ash blowing valve. The ship SCR spraying controller is used for calculating the initial spraying amount by calling the calibrated MAP spraying amount according to the information including the exhaust temperature collected by the exhausttemperature sensor, previous-later nitrogen-oxygen sensor values and engine rotation speed oil consumption, work of the proportional valve and the urea spray gun is controlled, and PID initial spraying amount correcting is conducted in real time according to the actual conversion efficiency previously and later fed back by the nitrogen-oxygen sensor. According to the ship SCR control system, the spraying amount can be flexibly calculated, and the nitrogen-oxygen treatment requirement can be met in a long-acting manner, a ship SCR system can be automatically monitored, and manpower is reduced;automatic ash blowing can be achieved according to actual conditions; and a touch display screen is adopted, and visual display of the information and manual control of related functions are facilitated.
Owner:KAILONG HIGH TECH

Crop hyperspectral image monitoring device

The invention discloses a crop hyperspectral image monitoring device, which comprises a base, a control chip and a plurality of indication columns; the indication columns are uniformly distributed onthe base in a rectangular array, the control ends of the plurality of indication columns are connected with the control chip, and each indication column comprises a transparent cylinder, a first indication lamp, a second indication lamp, a first hydraulic rod and a second hydraulic rod; the lower ends of the transparent cylinder, the first hydraulic rod and the second hydraulic rod are fixedly connected with the base, two vertical through grooves are formed in the side wall of the transparent cylinder, the first hydraulic rod and the second hydraulic rod are located on the outer sides of the through grooves respectively, the first indicator lamp is fixedly connected with the telescopic end of the first hydraulic rod, and the second indicating lamp is fixedly connected with the telescopic end of the second hydraulic rod. By means of the two layers of indicator lights sliding up and down on the transparent cylinder, a 3D display structure can be achieved according to specific images, omnibearing monitoring images of crops can be visually displayed conveniently, meanwhile, colorful images are displayed through the color-changing LED lamps, and the colors of the crops are further displayed.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

High-low shoulder correction auxiliary device for orthopedics department

ActiveCN111991760AVisual display of height differenceEasy to visualizeGymnastic exercisingMedicineOrthopedic department
The invention discloses a high-low shoulder correction auxiliary device for the orthopedics department. The device comprises a base, wherein the upper side of the base is provided with a measuring platform used for measuring the weight, supports are arranged on the left side and the right side of the measuring platform, the front side and the rear side of the measuring platform are provided with adisplay correcting component capable of being adjusted in a lifting mode and a detachable standing posture marker post respectively, each support is provided with a laser shoulder fixing part used for positioning the shoulder of a user, and laser formed by the two laser shoulder fixing parts forms two horizontal light rays with an upper horizontal height difference and a lower horizontal height difference on the display correction part. The device is advantaged in that the laser emitted by the laser shoulder fixing parts on two shoulders of the user is reflected by the reflector and then displayed on the mirror surface of the mirror, the height difference between the upper horizontal laser ray and the lower horizontal laser ray is the height difference between the high shoulder and the low shoulder, and the height difference between the high shoulder and the low shoulder can be visually displayed conveniently.
Owner:THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products