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

57results about How to "Strong benefits" patented technology

Composition for wet wipes that enhances the efficacy of cleansing while being gentle to the skin

The present invention describes wet wipe impregnated with a lotion composition where the lotion includes a preservative system and soothing ingredients to mitigate stinging.
Owner:THE PROCTER & GAMBLE COMPANY

Apparatus, system and method of calibrating medical imaging systems

A C-arm imaging device method, apparatus and system are provided. The apparatus and system includes a module for determining the positions of an imaging source and an imaging receptor and a local gravity vector to determine an imaging source focal point displacement. The apparatus and system may include a module for determining magnetic field distortion. Data obtained by the apparatus and system can be stored for use in subsequent interpolation of imaging source focal point displacement for the C-arm imaging device.
Owner:IBM CORP

Watersoluble coating glue containing multiple coating modified poly-ammonium phosphate and uses on textile finishing

The invention discloses an aqueous coating adhesive containing multiple coating modified ammonium polyphosphate and applications thereof on fabric finishing. The single modified ammonium polyphosphate can not acquire excellent wash-resisting, immersion-resisting and durable fire retardant performance from the fabric, and can not even obtain dry and comfortable hand feeling. The invention is characterized in that the ammonium polyphosphate, which is modified by melamine, single silane or epoxy resin, is subjected to heating and backflow in an organic alcohol-like solvent, a silane coupling agent capable of being bonded with active groups in the modified ammonium polyphosphate is then added so that the surface of the ammonium polyphosphate experiences multilayer coating and has active hydrogen; the coated ammonium polyphosphate is added with a nonionic surfactant, water, a binder and aqueous closed polyurethane, the aqueous coating adhesive containing the multiple coating modified ammonium polyphosphate is obtained by means of dispersed grinding. The invention is coated on terylene or pure cotton fabrics, thus realizing the cross-linked film forming of the ammonium polyphosphate and the aqueous closed polyurethane and the aqueous binder, and obtaining waterproof and durable environmentally-friendly fire retardant coating fabric.
Owner:HANGZHOU TRANSFAR FINE CHEM CO LTD +1

Photoelectric detection device transfer manufacturing system and method

The invention provides a photoelectric detection device transfer manufacturing system and method. The photoelectric detection device transfer manufacturing system comprises a cathode cavity, an anode cavity, a working transmission cavity, a transfer transmission system, a drying oven and a vacuum-pumping system, wherein the cathode cavity, the anode cavity and the working transmission cavity are separated through valves, the cathode cavity and the anode cavity are located on the two sides of the working transmission cavity respectively, the transfer transmission system comprises a horizontal transmission system and a lifting system, and the horizontal transmission system comprises an anode assembly containing device, a cathode assembly containing device and a horizontal transmission device. When a photoelectric detection device is manufactured through the manufacturing system, all other technological processes except the anode assembly assembling process are completed in a clean environment with ultrahigh vacuum, and therefore core devices of an MCP can be prevented from being polluted in the manufacturing process; the MCP anode assembly processing process and the photocathode manufacturing process are independent from each other so that non-cathode parts can be prevented from being polluted by cathode alkali metal and the MCP can be kept in a working state with the optimum performance.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Four-line splitting rolling technology for fai 12mm round steel

The invention discloses a four-line splitting rolling technology for fai 12mm round steel. The dimension tolerance of the height and the width of a rolled piece is no larger than + / -0.2mm through K5 pre-splitting pass, the center-to-center spacing of two hole patterns of in the middle of a K4 pre-splitting pass roller is 16mm, the center-to-center spacing of two hole patterns on two sides is 47.8mm, and the wedge angle of the roller is 85 degrees to 87 degrees; the arc radius R4 of the wedge top is 1.5-1.8mm, the wedge top space of an upper roller and a lower roller is 6.8mm, and the radius RK4 of a pre-splitting hole is 6.6mm; the wedge angle of a K3 splitting pass roller hole pattern is 55 degrees to 60 degrees; the arc radius R3 of the wedge top is 0.6-0.7mm, the height of the groove bottom is 14.13mm, the distance between the wedge tops is 0.7-0.9mm, the center distance of two middle grooves is 16.2mm, the center distance of two side grooves is 49.7mm, and the radius of the groove bottom is 6.8mm; front-row splitting wheels and rear-row splitting wheels are installed at the position of an outlet of the rolled piece of a K3 splitting pass from front to back at intervals, the double-edge splitting wheel edge strip wedge angle of each front-row splitting wheel is 55 degrees to 60 degrees, the double-edge center distance is 31.2-33.2mm, and the width of each wedge top is 1.6-2.2mm; the single-edge splitting wheel wedge angle of each rear-row splitting wheel is 85 degrees, the width of each wedge top is 0.8mm, and the distance between axes of the front-row splitting wheels and rear-row splitting wheels is 100mm.
Owner:XINJIANG BAYI IRON & STEEL

LNG multi-point transport ship transport-capacity prediction scheduling method

ActiveCN103645705ASolve the overall optimization problemImprove accuracyProgramme total factory controlNetworked systemArrival time
The invention relates to an LNG multi-point transport ship transport-capacity prediction scheduling method. A LNG multi-point transport ship transport-capacity prediction scheduling system is arranged in a networked structure formed by a plurality of long-term product supply points and a plurality of receiving stations; the system includes DCSs arranged in all the receiving stations and GMS terminals arranged in all the receiving stations, and an LNG multi-point transport ship transport-capacity scheduling simulation system platform arranged in any receiving station; and a discrete simulation deduction program integrating a Monte Carlo algorithm and an operational research queuing theory is arranged in a simulation module of the simulation system platform. According to the invention, various information of all receiving stations are obtained automatically by all DCSs; and according to a transport ship arrival time window and transport ship transport-capacity distribution scheme that is obtained by simulated deduction by the simulation system platform, all the GMS terminals generate transport ship transport-capacity scheduling plans of all the receiving stations, so that the accuracy and the practical operation are high. The provided method can be widely applied to a multi-transport ship transport-capacity prediction scheduling process in various networked systems with multiple long-term product supply points and multiple receiving stations.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Atmosphere data measurement method of hypersonic flight vehicle

The invention relates to an atmosphere data measurement method of a hypersonic flight vehicle. The method comprises that a reference coordinate system is defined, the speed, position, attitude, wind speed and inertia device zero offset of the flight vehicle are selected as system state quantities, and front-end surface pressure distribution and position and speed measuring values of the flight vehicle serve as system observed quantities; a system dynamic model is established based on dynamic and kinetic equations of the hypersonic flight vehicle, and a system observation model is established by using mapping relation between system measurement data and atmosphere data; nonlinear Kalman filtering is used to estimate the system state quantity; and an estimated value of the state quantity isused to obtain an atmosphere data estimated value. Compared with a traditional method, the method of the invention can be used to estimate atmosphere data precisely in the hypersonic speed flight environment, a result can be applied to hypersonic flight vehicle control and flight test evaluation and identification, and the flight robustness and evaluation accuracy are improved.
Owner:CHINA AERODYNAMICS RES & DEV CENT

Middle-density fiber board made by smooth cord grass and method for making same

The invention relates to the middle-density fiber plate made from Spartina alterniflora Loisel and relative production. It transforms a lot of Spartina alterniflora Loisel into the non-wood fiber to replace the wood fiber to produce fiber plate, while it processes the soluble extraction of Spartina alterniflora Loisel into the healthy additive to be used in food, drink, beer, and health product. The invention has significant economic benefits.
Owner:NANJING UNIV

Initial self-aligning method for inertial platform under static base

The invention belongs to the technical field of inertial navigation and particularly relates to an initial self-aligning method for an inertial platform under a static base. The method disclosed by the invention adopts a 'rough aligning' + 'fine aligning' thought and utilizes the characteristics of self-stable loop of the inertial platform to realize the quick initial self aligning under the static base. The method comprises the following steps: firstly, on the basis of the natural characteristics of gravity vector following the earth rotation, by utilizing the output information of the system under the navigation working mode of the inertial platform, the rotational angular velocity of the earth, and the like, quickly acquiring the rough information of the initial gesture of the inertial platform, thereby completing the rough aligning for the system. On the basis, a torque increasing scheme is designed and a Kalman filter technique is utilized to realize the fine alignment of the inertial platform. The method provided by the invention is capable of effectively increasing the speed and precision of the initial alignment of the inertial platform, supplies a basis and a method support for improving the performances of the navigation system of the inertial platform and has relatively high economic benefit and engineering application value.
Owner:INHALE HYPERSONIC TECH RES CENT UNIT 63820 OF PLA

Alliance chain consensus method introducing supervision mechanism, blockchain network and storage medium

ActiveCN111242619AAvoid problems such as governance difficultiesReduce daily work intensityPayment protocolsChain networkDistributed computing
The invention relates to the technical field of block chains, and particularly discloses an alliance chain consensus method introducing a supervision mechanism, a block chain network and a storage medium. The method includes: running an alliance chain network through a creation node, wherein the alliance chain network comprises a supervision account and alliance chain member accounts, and the decision right of the supervision account is greater than the sum of the decision rights of the alliance chain member accounts; activating a block output node of the alliance chain member account by obtaining votes of the supervision account; when the number of the activated block output nodes reaches a preset number, transferring the block output right of the alliance chain member node to the block output nodes controlled by the alliance chain member node respectively, and enabling each activated block output node to execute the block output right according to a preset rule. The problems of resource waste and low transaction throughput of a block chain system can be solved, the problems of difficult governance of an existing public chain and the like can also be avoided, meanwhile, the flexibility of actual operation is considered, and the method has very high application value and economic benefits.
Owner:YLZ INFORMATION TECH CO LTD +1

Remote high-efficiency data transmission technology of pulse radar

InactiveCN102466798AImprove the way you workLow linearity requirements for power amplifiersRadio wave reradiation/reflectionData transmissionImpulse radar
The invention relates to a remote high-efficiency data transmission technology of a pulse radar and a realization method thereof. In the method, a remote communication data transmission function is added in the conventional pulse radar. Through adding applications of a broadband efficient intermediate frequency coding modulator, a broadband efficient intermediate frequency decoding demodulator, radar sequence beam control, high-speed high-efficiency data transmission under a low duty ratio condition, Reed-Solomon coding and decoding under a deep saturated power amplifier, a FSK and OQPSK modulation demodulation technology and the like in the pulse radar, a multifunctional integration design based on the function of broadband efficient data transmission of the pulse radar, radar detection and communication information transmission can be realized.
Owner:THE 724TH RES INST OF CHINA SHIPBUILDING IND

Feed additive for improving oxygen obtaining ability of poultry and application thereof

PendingCN112075546AImprove blood oxygen supply capacityReduce poultry mortalityAccessory food factorsAnimal scienceAminolevulinic Acid Hydrochloride
The invention discloses a feed additive for improving the oxygen obtaining ability of poultry. The feed additive comprises an active ingredient 5-aminolevulinic acid. The feed additive can also be anadditive which is compounded and added according to the mass fraction: 2-10%wt of 5-aminolevulinic acid, 10-45%wt of feed compound enzyme, 10-45%wt of enterococcus faecalis and 0-75%wt of carrier. Theinvention also discloses application of the feed additive in poultry breeding. The feed additive provided by the invention is applied to poultry breeding, especially high-density poultry breeding andpoultry breeding in high altitude areas, can obviously reduce the death and culling rate of poultry, and can improve the production performance of poultry. The product provided by the invention has relatively strong economic application benefits and market promotion values.
Owner:BEIJING CHALLENGE AGRI SCI & TECH CO LTD +1

Ore smelting desulfurization and dust removal process

ActiveCN108771934AImprove evolution handlingEasy to carryCombination devicesGas treatmentCombustionSpray tower
The invention provides an ore smelting desulfurization and dust removal process, comprising a combustion furnace, a dust removal mechanism, a desulfurization mechanism and an adsorption mechanism which are sequentially communicated with one another, the dust removal mechanism comprises a spray tower I and a spray tower II, the lower part of the combustion furnace is connected with smelting waste gas through a pipeline, the upper part is communicated with the spray tower I through the pipeline, the outer side wall of the spray tower II is provided with a strip-shaped cavity, the spray tower I is communicated with the strip-shaped cavity through the pipeline, the desulfurization mechanism is internally and rotatably provided with a shaft tube, a lower end of the shaft tube is communicated with a lower side wall of the spray tower II, the side walls of the desulfurization mechanism is provided with a plurality of vents communicated with an exhaust through pipe, and the exhaust end of theexhaust through pipe is communicated with the upper side wall of the adsorption mechanism; the process improves the process of dust removal and desulfurization of the smelting waste gas through reasonable process improvement and equipment optimization; the dust removal effect can achieve 99.5% or above, and the desulfurization effect can reach 95.7% or above, and the comprehensive benefit is strong, which is worth promoting.
Owner:MAANSHAN SHUNDA ENVIRONMENTAL PROTECTION EQUIP

Processing method of integral-casting spherical iron base plate for high-speed railway

The invention relates to a processing method of an integral-casting spheroidal iron base plate for a high-speed railway, comprising the following steps of: a. selecting spheroidal graphite cast iron, wherein the tensile strength of the spheroidal graphite cast iron is greater than 400MP, the yield strength is greater than 250MP, the elongation exceeds 18%, and the impact toughness at room temperature reaches 14J / cm<2>; b. carrying out integral casting on the base plate by adopting a furan resin sand casting process and controlling the surface roughness within Ra50; c. placing a casting into a furnace to heat to 730-750 DEG C, keeping the temperature for 2-4 hours, then controlling the temperature in the furnace to be 580-610 DEG C, and then taking out the casting for naturally cooling; d. mechanically processing; and e. carrying out QPQ (Quench Polish Quench) salt bath composite processing on the surface of the casting. The integral-casting spheroidal iron base plate is formed by integrally casting the spheroidal graphite cast iron, has high integrity, more obvious shock-absorption effect, higher wearing resistance, corrosion resistance and fatigue resistance, easy control of deformation, small internal stress and better machinability, simplifies various associated dimension chains, and greatly reduces the mechanical processing amount, thereby having short production period, easily forming line production and being suitable for batch production.
Owner:JIANGSU XINKANGHUA MACHINERY

Cluster storage robot system control method based on pheromone navigation

The invention provides a cluster storage robot system control method based on pheromone navigation. The method comprises steps that step A: according to order information and task finishing current conditions, task pheromones are updated; step B: a cluster storage robot executes goods taking tasks; step C: a shelf system executes a loading task; and step D: the cluster storage robot executes a goods delivery task. According to the invention, it can be achieved that the storage system has the ability of highly efficiently sorting multiple concurrent sorting tasks, and characteristics of high expandability and redundancy, so an enterprise is allowed to have the large-scale intelligent storage management and sorting ability and operation efficiency of the enterprise is improved.
Owner:BEIHANG UNIV

Coating and Adhesive Compositions with Reduced Freeze/Thaw Degradation

Coating and adhesive compositions are disclosed comprising between approximately 2% to approximately 10% of urea added to latex-based compositions to prevent deterioration of the working quality of the compositions after being subjected to freeze / thaw cycles. Best results are obtained by dissolving the urea in water prior to the addition of other components, although urea may be added at other points in the mixing process.
Owner:ARANGO JUAN

Flexible self-rotation coating clamp

The invention discloses a flexible self-rotation coating clamp. A lower revolution disc is provided with four supports provided with inner threaded holes. A self-rotation disc is positioned by the four evenly-distributed supports and rotates around the center line of the self-rotation disc. A stirring sheet device is arranged at one end of the self-rotation disc, a fixing rod of the stirring sheetdevice is connected with the self-rotation disc through a gasket and a fourth screw, and a first platform on one side of the fixing rod fixes a supporting sheet and an elastic stirring sheet througha second screw. An upper revolution disc is connected with the lower revolution disc through first screws. Pin shafts serving as rotation shafts of sleeves to be evenly distributed on the upper revolution disc. A boss is welded to the bottom of the upper revolution disc and provided with a through hole, and the clamp is connected with a transmission shaft through the boss through hole and is fixedto the transmission shaft through a third screw. The flexible self-rotation coating clamp can adapt to multiple specifications of tools and dies, a large number of tools and dies can be clamped at atime, and particularly when the tools and dies the same in specification are coated, the coating efficiency, the clamping efficiency and the coating uniformity can be greatly improved, wide application prospects are achieved, and popularization and application are facilitated.
Owner:SHANGHAI INST OF TECH

Inertial platform continuous roll self-calibration and self-alignment method under static base

Belonging to the technical field of inertial navigation, the invention in particular relates to an inertial platform continuous roll self-calibration and self-alignment method under a static base. The method firstly adopts an inertial device input shaft as the reference to establish a systematic coordinate system, then on the basis of an inertial platform working principle, an inertial platform attitude angle is employed as the intermediate quantity to establish a system dynamics model and an observation model, and then a platform matrix addition scheme needed by inertial platform self-calibration and self-alignment is designed through observability analysis, finally the platform attitude angle and various error coefficients of the platform are selected as the state variables of the system, and autonomous calibration and alignment of the inertial platform can be realized through reduced cubature Kalman filter. The method provided by the invention can change the existing calibration and alignment modes of the inertial platform, simplifies the inertial platform self-calibration and self-alignment process, weakens the strong coupling between system calibration and alignment, and provides the basic theory and technical support for improving the inertial platform actual use precision.
Owner:INHALE HYPERSONIC TECH RES CENT UNIT 63820 OF PLA

Air conditioning system for tractor trailers

A system is disclosed for conducting energy from a refrigeration trailer to a truck for controlling temperature in the truck. The system comprises a refrigeration unit coupled to the trailer for cooling a first chamber of the trailer. The refrigeration unit has a first heat exchanger configured to cool a fluid. A second heat exchanger is disposed in a second chamber and is in fluid communication with the first heat exchanger in a coolant loop. An air moving device in the second chamber is operable to convey cold air from about the second heat exchanger to cool the second chamber (e.g., a truck cabin). A heater can provide heat for conveying into the second chamber. A power source in the refrigeration unit can power the air moving device and the heater, and other electronic devices associated with the truck. Associated methods are provided.
Owner:HUTCHISON INNOVATIONS LLC

Online correction method for realizing long-term stability of atmospheric data measurement

The invention relates to an online correction method for realizing long-term stability of atmospheric data measurement, which is used for correcting a pressure value P of an atmospheric data measurement device of an aircraft and comprises the following steps of firstly, selecting a first test point and a second test point on a pressure port to be corrected of the atmospheric data measurement device, then respectively applying pressures with different pressure values to the first test point and the second test point in sequence through external standard pressurizing equipment, and measuring andcalculating to obtain a first point test correction coefficient P1Z and a second point test correction coefficient P2F, and correcting the pressure value P of the atmospheric data measurement deviceaccording to the first point test correction coefficient P1Z and the second point test correction coefficient P2F, and resolving the atmospheric pressure height Hb, the airspeed Vi, the mach number Mand the lifting speed HR.
Owner:CHENGDU KAITIAN ELECTRONICS

Ester-producing yeast and method for producing acetic ether and alcohol by using same

The invention discloses ester-producing yeast and a method for producing acetic ether and alcohol simultaneously by using the same. An obtained white liquor has outstanding and comfortable ester flavor and more plump liquor body. A white liquor flavor-improving and yield-increasing process with a simple process and low cost is provided, and the quality and yield of the product white liquor are higher than those of a daily produced white liquor.
Owner:广东省九江酒厂有限公司

Welding method

The invention provides a welding method. A group of to-be-welded joints comprise a parent material and a backing plate respectively, wherein the parent materials of the group of the joints are different metal from each other; the side surfaces of the parent materials of the group of the joints are opposite to each other; each backing plate is arranged on the lower surface of the opposite side of each parent material. The welding method comprises the following steps: setting the nearest distance between the side surfaces of the parent materials to be a preset distance; welding the group of the joints in a saw-toothed swinging wire welding manner.
Owner:SHANGHAI ZHENHUA HEAVY IND

Watersoluble coating glue containing multiple coating modified poly-ammonium phosphate and uses on textile finishing

The invention discloses an aqueous coating adhesive containing multiple coating modified ammonium polyphosphate and applications thereof on fabric finishing. The single modified ammonium polyphosphate can not acquire excellent wash-resisting, immersion-resisting and durable fire retardant performance from the fabric, and can not even obtain dry and comfortable hand feeling. The invention is characterized in that the ammonium polyphosphate, which is modified by melamine, single silane or epoxy resin, is subjected to heating and backflow in an organic alcohol-like solvent, a silane coupling agent capable of being bonded with active groups in the modified ammonium polyphosphate is then added so that the surface of the ammonium polyphosphate experiences multilayer coating and has active hydrogen; the coated ammonium polyphosphate is added with a nonionic surfactant, water, a binder and aqueous closed polyurethane, the aqueous coating adhesive containing the multiple coating modified ammonium polyphosphate is obtained by means of dispersed grinding. The invention is coated on terylene or pure cotton fabrics, thus realizing the cross-linked film forming of the ammonium polyphosphate andthe aqueous closed polyurethane and the aqueous binder, and obtaining waterproof and durable environmentally-friendly fire retardant coating fabric.
Owner:HANGZHOU TRANSFAR FINE CHEM CO LTD +1

Medium-low-temperature baked titanium-porcelain composite metal plate for building decoration purpose and manufacture process thereof

The invention discloses a medium-low-temperature baked titanium-porcelain composite metal plate for building decoration purpose and a manufacture process thereof. Firstly, ultrafine titanium powders are uniformly mixed with porcelain powders already calcined at a high temperature, then the titanium-porcelain mixed powders are dipped to form a uniform film on a metal panel by the medium dip coating method, the film is cured, and finally a titanium-porcelain dense protective layer is formed on the metal panel. The new manufacture process realizes high utilization rate of raw materials of the titanium-porcelain dense protective layer, the utilization rate being higher than 98%. During the whole production process, the rate of volatile matters is only 10% of that in the prior art, saving raw materials, reducing wastes and achieving energy-saving and environmentally-friendly effects. In addition, the medium-low-temperature baked titanium-porcelain composite metal plate is elegant in appearance, good in integral decorating effect, high in weatherability and good in comprehensive benefit, and is a highly-efficient environmentally-friendly decorative building material.
Owner:陈猛

Continuous casting thick steel plate and production method thereof

The invention discloses a continuous casting thick steel plate and a production method thereof. According to the method, the technological process of molten iron pre-desulfurization, converter smelting, LF refining, RH vacuum refining, continuous casting, casting blank heating, controlled rolling and cooling is adopted, steel smelting is conducted in a converter with primary slag according to a double-slag remaining method, the temperature of a molten pool in the dephosphorization period is 1350-1400 DEG C, the slag alkalinity of primary deslagging is 1.8-2.0, the total iron content is 12-15%, the slag alkalinity of secondary deslagging is 3.5-4.0, and the total iron content is 15-18%; carrying out controlled rolling and cooling according to the carbon equivalent; if the carbon equivalent is smaller than 0.65, a steel plate with the thickness of 50-120 mm is obtained through two-stage rolling, and then MULPIC accelerated cooling is conducted; and if the carbon equivalent is larger than or equal to 0.65, a steel plate of 50-165 mm is obtained through single-stage rolling, and then the steel plate is directly put on a cooling bed to be naturally air-cooled to the room temperature. The method improves the performance uniformity of the thick steel plate with high production efficiency and low cost.
Owner:ZHANGJIAGANG HONGCHANG STEEL PLATE CO LTD +2

A method for forecasting and dispatching capacity of lng multi-point transport ship

ActiveCN103645705BSolve the overall optimization problemImprove accuracyProgramme total factory controlNetworked systemComputer module
The invention relates to an LNG multi-point transport ship transport-capacity prediction scheduling method. A LNG multi-point transport ship transport-capacity prediction scheduling system is arranged in a networked structure formed by a plurality of long-term product supply points and a plurality of receiving stations; the system includes DCSs arranged in all the receiving stations and GMS terminals arranged in all the receiving stations, and an LNG multi-point transport ship transport-capacity scheduling simulation system platform arranged in any receiving station; and a discrete simulation deduction program integrating a Monte Carlo algorithm and an operational research queuing theory is arranged in a simulation module of the simulation system platform. According to the invention, various information of all receiving stations are obtained automatically by all DCSs; and according to a transport ship arrival time window and transport ship transport-capacity distribution scheme that is obtained by simulated deduction by the simulation system platform, all the GMS terminals generate transport ship transport-capacity scheduling plans of all the receiving stations, so that the accuracy and the practical operation are high. The provided method can be widely applied to a multi-transport ship transport-capacity prediction scheduling process in various networked systems with multiple long-term product supply points and multiple receiving stations.
Owner:CHINA NAT OFFSHORE OIL CORP +1

High-precision dynamic pressure measurement method and system with long-term stability

The invention discloses a high-precision dynamic pressure measurement method and system with long-term stability. The system comprises a wide-range differential pressure sensor and a small-range differential pressure sensor. The range of the wide-range differential pressure sensor covers the dynamic pressure measurement range. When Qc1 is close to 0Pa, the zero deviation b of the measurement dynamic pressure Qc2 of the wide-range differential pressure sensor is calculated; when Qc1 is close to the range end value of the small-range differential pressure sensor, the error correction slope k ofthe dynamic pressure Qc2 is calculated; when the dynamic pressure Qc is within the measurement range of the small-range differential pressure sensor, the measurement dynamic pressure Qc1 of the small-range differential pressure sensor is the real dynamic pressure, namely Qc = Qc1; otherwise, the real dynamic pressure is obtained by correcting the dynamic pressure Qc2. Measurement configurations ofthe small-range differential pressure sensor and the wide-range differential pressure sensor are constructed, and through cooperative work of the small-range differential pressure sensor and the wide-range differential pressure sensor, measurement precision and long-term stability within the dynamic pressure full-pressure range are achieved.
Owner:CHENGDU KAITIAN ELECTRONICS

Machining center magnetic scrap iron removing device and scrap iron removing method

The invention discloses a machining center magnetic scrap iron removing device. The machining center magnetic scrap iron removing device comprises a machine frame, a sliding support, a flow guide module, a water storage tank, adsorption modules and two scrap iron boxes which are standby for each other, the machine frame is a hollow cuboid, two parallel guide rails are welded to the upper side faceof the machine frame, inverted-U-shaped steel bars are welded to the left side and the right side of the machine frame, a transverse section of each steel bar is welded to the flow guide module, theflow guide module is fixed to the upper portion of the rack, the sliding support is placed on the guide rails through four sliding blocks welded and fixed to the lower side face, the adsorption modules are welded and fixed to the sliding support, and the two scrap iron boxes are welded to the water storage tank. According to the machining center magnetic scrap iron removing device, by arranging the two adsorption units and scrap iron boxes which are standby for each other, automatic continuous operation of the whole device is achieved through PLC control, filtered scrap iron can be cleaned without shutdown, effective guarantee is provided for continuous operation of a machining center, and the device is simple in structure and reasonable in design and has extremely high economic benefits and use significance.
Owner:广东铨冠智能科技有限公司

Electric horizontal rolled clamp and using method thereof

The invention discloses an electric horizontal rolled clamp and a using method thereof. The electric horizontal rolled clamp comprises a hanging beam, a hanging shaft device is arranged in the middle of the hanging beam, clamp arms are arranged on the two sides of the lower portion of the hanging beam correspondingly, a gear motor is arranged on the upper surface of the hanging beam, the bottom of the hanging beam is open, telescopic beams are arranged on the front side and the rear side inside the hanging beam correspondingly, a rack is transversely arranged on the inner side surface of each telescopic beam, the output end of the gear motor is connected to a transmission mechanism, the transmission mechanism comprises an output shaft, a gear meshing with the two racks at the same time is installed at the end part of the output shaft, each clamp arm is fixedly connected to one telescopic beam, the whole clamp arm is of a long-strip-shaped frame structure, a rectangular opening is formed in the lower portion of each clamp arm, a clamp claw assembly is movably arranged in the opening, guide frames capable of moving up and down on the outer sides of the clamp arms are arranged on the outer sides of the clamp arms, and guide rail connecting rod mechanisms are movably arranged between the guide frames and the corresponding ends of the hanging beam. By means of the electric horizontal rolled clamp, the problem that the electric horizontal rolled clamp collides or rubs steel coils can be effectively solved, the steel coil yield is increased, the equipment failure rate is reduced, and the equipment maintenance cost is reduced.
Owner:安徽马钢和菱实业有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products