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

132results about How to "Mitigation" patented technology

Power-system economic dispatching method considering power grid topology optimization

The invention discloses a power-system economic dispatching method considering power grid topology optimization. A power-system dispatching model using active power of conventional generator sets and output component states of the power grid as decision making factors is provided by incorporating the power grid topology optimization into a power-system economic dispatching model and considering the power grid topology connectivity conditions. Topological connectivity is constrained based on the minimum cutset concept in graph theory so as to judge system topological connectivity. The provided model is solved by combination of genetic algorithm and linear programming primal-dual path following interior algorithm. Conventional generator sets and power grid topology can be preset, economical efficiency of power grid operation is improved on the premise of guaranteeing safety of power grid operation, balance capacity of load power of system generation is improved, renewable energy power generation can be accepted within a larger range, abandonment of renewable energy power generation or load shedding is effectively alleviated, and technical support is provided for intelligent development for power system dispatching.
Owner:STATE GRID CORP OF CHINA +1

Method and device for controlling a polyphase electrical machine

The invention relates to a polyphase electrical machine (30), which is controlled by means of at least two inverters in parallel (101, 102), wherein each inverter has branches (101a, 101b, 101c, 102a, 102b, 102c), in a number equal to the number of phases of the machine, and is controlled by pulse width modulation (PWM). In response to the detection of a defective inverter branch (102a), the latter is isolated, and the phase in question is supplied with power by the or each other corresponding inverter branch (101a). The control by PWM is modified so as to make the power switches of said or each other branch (101a) consecutively conductive without switching when, in absolute value form, the strength of the current for the phase in question (1a) is greater than or equal to a threshold between 80% and 120% of (n-1) Imax / n, where n is the number of inverters and Imax is the maximum strength of the phase current. It is thus possible to maintain generation of substantially sine wave voltage over each phase while preventing overrated voltage in the power switches so that, in the event of a defect, said switches can switch currents with higher amplitudes than during normal operation.
Owner:LABINAL POWER SYST

Anti-dizziness chair capable of being automatically balanced

The invention provides an anti-dizziness chair capable of being automatically balanced which is installed on a vehicle. The anti-dizziness chair capable of being automatically balanced comprises a seat, a stable platform and a vibration absorber. The anti-dizziness chair has the characteristics that: the vibration absorber comprises a base which can be fixed with the vehicle, a semicircular ring which is fixed with the stable platform, horizontal and vertical gyro stabilizers which are installed under the stable platform, an outer circular ring which is connected with the base through a magnet vibration absorber, and inner circular rings which are provided with two pairs of concentric holes with mutually vertical axes along ring centers, wherein the outer circular ring which is out of the inner circular rings is hinged with the inner circular rings in one pair of the concentric holes and the semicircular ring which is under the inner circular rings is hinged with the inner circular rings in the other pair of the concentric holes. With the adoption of the anti-dizziness chair provided by the invention, gestures can be automatically adjusted when the vehicle sways from left to right and from front to back and the balance can be kept; when the vehicle bumps or fluctuates, the anti-dizziness chair also can be freely moved to carry out amplitude decreasing or amplitude increasing, so that the conditions that passengers feel sick, vomit, feel uncomfortable and the like can be relieved, and carsickness, seasickness and airsickness can be reduced.
Owner:张倞珵

Application of water transport plate to integrated renewable proton exchange membrane fuel cell

The invention discloses a hydrophilic water transport plate for an integrated renewable proton exchange membrane fuel cell and a preparation method for the water transport plate. The method comprises the steps of firstly hydrophilically treating a carbon nanomaterial; secondly uniformly mixing the hydrophilically treated carbon nanomaterial, a conductive additive, a reinforced carbon fiber and a resin adhesive; and finally performing thermoforming in a mould to obtain the hydrophilic water transport plate, wherein the hydrophilic carbon nanomaterial achieves the effect of promoting water transport. The water transport plate serving as a bipolar plate for the integrated renewable proton exchange membrane fuel cell has good water-penetrating property; and the situations of water shortage and flooding in a working mode of the fuel cell can be effectively relieved, the performance of the fuel cell can be improved, the static water supply can be realized directly by utilizing cooling water in a working mode of an electrolytic tank, the anodic concentration polarization phenomena can be reduced, the electrolytic performance under high electric density can be improved, a system can be simplified, and the energy consumption can be reduced.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Plastic rigid visual tracheal catheter core

The invention relates to a plastic rigid visual tracheal catheter core. The plastic rigid visual tracheal catheter core comprises a steel pipe, an adjusting shaft, a traction guide wire and a tractionguide wire elbow pipe, wherein the steel pipe is of a hollow structure; the traction guide wire penetrates through the steel pipe; the adjusting shaft comprises a first adjusting shaft, a second adjusting shaft, a third adjusting shaft and a tail end adjusting shaft; the tail end adjusting shaft, the first adjusting shaft, the second adjusting shaft and the front end of the steel pipe are connected end to end; the third adjusting shaft is connected to the rear end of the steel pipe through the traction guide wire elbow pipe; an adjusting handle is arranged at the rear end of the third adjusting shaft; the front end of the traction guide wire is connected with the tail end adjusting shaft; the rear end of the traction guide wire is connected with the adjusting handle. The plastic rigid visual tracheal catheter core provided by the invention has the beneficial effects that the tracheal catheter core is provided with an adjusting shaft structure and the position of a catheter in a trachea of a patient is adjusted through controlling the traction guide wire and the aim of accurately putting the catheter into the trachea of the patient is realized; the plastic rigid visual tracheal catheter core is safe to use and accurate in positioning; a sleeve can be used for realizing positioned injection of a drug and accurate positioned drug administration is realized under the cooperation of a photographing device, so that the treatment effect is improved.
Owner:GUANGDONG ANESTHESIA MEDICAL SCI & TECH CO LTD

Application of fritillaria isosteroid alkaloid monomer

PendingCN114588169AGood activity in preventing and treating acute lung injuryRelieve inflammationAntibacterial agentsOrganic active ingredientsDiseaseALI - Acute lung injury
The invention belongs to the technical field of medicines for preventing and treating acute lung injury, and discloses application of a fritillaria heterosteroid alkaloid monomer, namely application of the fritillaria heterosteroid alkaloid monomer in preparation of medicines for treating, relieving or preventing lung injury. Lung injury is acute lung injury induced by LPS. The lung injury can also be caused by influenza virus infection, bacterial infection and/or fungal infection. The fritillaria heterosteroid alkaloid monomer comprises dehydroobberidine and peimisine. The invention further discloses a preparation method of the fritillaria heterosteroid. According to the invention, corresponding representative compounds, namely dehydroobberidine and peimisine, are selected for an activity experiment for preventing and treating the acute lung injury, and the two natural small-molecule alkaloid monomers, namely dehydroobberidine and peimisine, are determined to have good activity for preventing and treating the acute lung injury, and can obviously relieve lung inflammation and pulmonary edema conditions; the new application disease range of fritillaria plants is widened, and a reliable direction and basis are provided for development of safe and effective new drugs for acute lung injury.
Owner:SICHUAN UNIV +1

Natural physiotherapy combination for eye health

The invention belongs to the technical field of eye care, and particularly relates to an eye health natural physiotherapy combination which comprises a nano atomization eye moistening instrument, eyemoistening cream, a meridian point intelligent pulse physiotherapy instrument, meridian massage cream, an eye health physiotherapy massage instrument and eye health care cream which are used in a matched mode. According to the invention, the nanometer atomization eye moistening instrument is matched with the eye moistening cream, and the nano atomization eye moistening instrument is used for rapidly carrying out atomization eye moistening effects on eyes, so that the situations of dry eyes, swelling pain and blurred vision decline can be relieved; a meridian acupoint intelligent pulse physiotherapy instrument is used for massaging human cervical vertebra acupoints, and meridian massage cream is matched, so that qi and blood cell microcirculation of the human meridian acupoints is smooth, blockage and swelling pain of the human body can be relieved, and eye fatigue is relieved; the eye health physiotherapy massager is used for massaging acupuncture points around eyes in cooperation withthe eye health care paste, blockage, dryness, fatigue and blurred vision of an eye meridian microneuron system can be effectively relieved, and the optimal comprehensive physiotherapy effect on the eyes is achieved.
Owner:王保伟

Steel bar mesh clamping device and steel bar mesh cage forming equipment

ActiveCN113021619AMitigationConvenient networking operationCeramic shaping apparatusClassical mechanicsMesh reinforcement
The invention relates to the technical field of steel bar networking, in particular to a steel bar mesh clamping device and steel bar mesh cage forming equipment. The steel bar mesh cage forming equipment comprises a steel bar networking device and a steel bar mesh clamping device, wherein the steel bar mesh clamping device is used for clamping at least two steel bar meshes, and the steel bar networking device is used for clamping buckles into longitudinal steel bars at the lowermost ends of the steel bar meshes. The steel bar mesh clamping device comprises a base, at least two fixing plates, at least two push plates and a clamping driving mechanism; the at least two fixing plates are arranged in parallel and are fixed to the base at intervals; the at least two push plates and the at least two fixing plates are arranged in a staggered manner; and the clamping driving mechanism is installed on the base, the output end of the clamping driving mechanism is connected with the at least two push plates, and the clamping driving mechanism is used for driving the at least two push plates to move, so that each push plate is matched with the adjacent fixing plate to clamp the longitudinal steel bar at the lowest end of one steel bar mesh, the longitudinal steel bar at the lowest end is not prone to bending deformation or displacement when stressed, the clamping success rate of the buckles is high, and the yield and the production efficiency can be improved.
Owner:GUANGDONG BOZHILIN ROBOT CO LTD

Bra pad with negative poisson ratio effect and design method thereof

PendingCN109805465AFit and stretchRelieve slipping and falling offBrassieresBreast shapeBiomedical engineering
The invention discloses a bra pad with negative poisson ratio effect and a design method thereof. The bra pad with the negative poisson ratio effect has the critical point lying in the porous structure of a liner. The special porous structure possessed by the bra pad enables the bra pad to be more comfortable and lighter, thereby conforming to the current trends in naturalness, liberation and comfortableness. The bra pad simply comprises the following design steps: firstly, the shape, the size and the thickness of the bra pad are determined; then the porous distribution of the used liner material is designed, and the porous structure is enabled to have the negative poisson ratio effect; and finally, the bra pad is arranged at the interior part of a bra in an embedded manner, thereby finishing the design of the bra pad made from a negative poisson ratio material. Through the design, the invention effectively solves the problem that the traditional bra pad cannot suitable to different breast shapes, thereby enabling the bra pad to have the advantages in better fitness, better extensibility, better air permeability, lightness and comfortableness.
Owner:NANJING UNIV OF TECH

LED street lamp holder with anti-collision shell

The invention discloses an LED street lamp holder with an anti-collision shell. The lamp holder comprises a lampshade, a rotary buckle, an extension block, a buffer plate and heat dissipation holes. Amovable cover is arranged at the bottom end of the lampshade; an LED lamp is fixedly mounted in the lampshade; the left side of the lampshade penetrates through the interior of the fixed block; a clamping groove is formed in the surface of the fixed block, the bottom end of the extending block is connected with the right side of a buckle through a reset spring, a second rotating rod is arranged at the bottom end of the sliding block, the bottom end of the buffer shell is fixedly installed at the top end of the lampshade, a telescopic rod penetrates through the interior of a third spring, andthe heat dissipation holes are formed in the two sides of the lampshade. The invention has the beneficial effects that the buffer anti-collision structure is arranged, so the strength generated when objects such as hail impact the lampshade can be relieved, and the lampshade is protected to a certain degree; the lamp holder is more convenient to mount and dismount through the buckles and the clamping grooves, and the LED lamp can be conveniently replaced by rotating the protective cover.
Owner:JIANGSU XINSIWEI PHOTOELECTRIC CO LTD

Special trace element fertilizer formula for tobacco and preparation method thereof

InactiveCN103553747AHigh in trace elementsImprove conventional chemical compositionFertilising methodsFertilizer mixturesChemical compositionSulfate
The invention discloses a special trace element fertilizer formula for tobacco and a preparation method thereof. The formula comprises the following components: 0.25-0.5kg of borax, 0.25-0.5kg of zinc sulfate, 0.025-0.05kg of ammonium molybdate and 0.5kg of potassium fulvate. The preparation method of the fertilizer formula comprises the following steps of separately weighing the fertilizers such as borax, zinc sulfate, ammonium molybdate and potassium fulvate according to the fertilizer mass percentage of 0.25-0.5kg of borax, 0.25-0.5kg of zinc sulfate, 0.025-0.05kg of ammonium molybdate and 0.5kg of potassium fulvate per mu of tobacco; sufficiently and uniformly stirring the weighed borax, zinc sulfate, ammonium molybdate and potassium fulvate in 50kg of clear water to prepare a solution of the special trace element fertilizer for tobacco; performing foliage spray for tobacco. In the invention, through the foliage spray for tobacco, the current situation that the growth and development and quality of tobacco are influenced by insufficient trace elements of soil is effectively improved, the content of trace elements in the tobacco leaves is increased, conventional chemical components of tobacco leaves are improved, and the aroma of the tobacco leaves is increased; moreover, the tobacco quality is improved, and the drop of tobacco quality caused by inefficiency in the trace elements of soil is effectively relieved.
Owner:HENAN AGRICULTURAL UNIVERSITY +1
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