117 results about "Dragonfly" patented technology

The invention relates to a micro dragonfly-imitating dual-flapping wing aircraft which mainly consists of a rack, a front flapping wing system and a rear flapping wing system. A pinion (17) and a large gear (16) are in meshing transmission; the large gear (16) is fixedly connected with a runner (14) through a transmission shaft (15) at an adjustable angle (36); the large gear (16), a connection rod a (23), a front right rocker (24) with a sector gear, a Y-shaped front bracket (18), a runner (14), a connection rod b (34), a rear right rocker (33) with sector gear and a Y-shaped rear bracket (20) form a crank rocker mechanism respectively; and the front and rear flapping wing systems are in meshing transmission through the sector gears to realize symmetric flapping. Compared with the prior art, the micro dragonfly-imitating dual-flapping wing aircraft provided by the invention has the advantages that: the two flapping wings are driven by a single motor in a simple and compact structure,the flapping of the front and rear flapping wing systems is completely symmetric, the flapping phase difference of the front and rear flapping wing systems can be adjusted as necessary to as to perfectly imitate the flexible flapping flying of dragonfly, and the like.

The invention discloses a piezoelectric dragonfly-imitating micro flapping-wing aircraft. The piezoelectric dragonfly-imitating micro flapping-wing aircraft comprises an aircraft body, wing fixed plates, dragonfly-imitating wings and four twin-lamella piezoelectric actuators; the aircraft body comprises a fixing chamber, the wing fixed plates are fixed in a cavity of the fixing chamber, fixed orifices are arranged on opposite sidewalls of the fixing chamber, the dragonfly-imitating wings pass through the fixed orifices and are fixed on the wing fixed plate; the dragonfly-imitating wings comprise two front wings and two rear wings, one end of the twin-lamella piezoelectric actuator passes through the fixed orifices and is fixed with a wing root of the wing, other parts are suspended, and a cantilever beam structure is formed, and each twin-lamella piezoelectric actuator respectively controls one wing to generate flapping movement or adjusts deflecting direction under voltage excitation. The wings can bear high-frequency alternating stress, can bear different loads of various attitudes such as flapping, gliding and circling, and can obtain excellent balance stability and attitude control diversity; and more wings can obtain larger bearing capability.

The embodiment provides an imitating-dragonfly ornithopter with variable flapping amplitude and changes the situation that ornithopters in the prior art generally control flight through tails, and the flight can not be effectively controlled by controlling the tails for the miniature ornithopters imitating insects and the like. The imitating-dragonfly ornithopter realizes maneuvering flight by simultaneously adjusting the flapping amplitude of wings on the left and right sides of the ornithopter through an actuator during the maneuvering control of the ornithopter, and is compact in structure and easy to control.

The invention discloses a dragonfly-like four-wing miniature flapping-wing aircraft. The aircraft comprises a robot body, two front flapping wings, two front wing connecting pieces with connecting rods, two rear flapping wings, two rear wing connecting pieces with connecting rods, a driving gear, a shaft gear, a first-stage gear, two second-stage gears with connecting rods, two third-stage gears with connecting rods, two front ball head connecting rods, two rear ball head connecting rods, two steering engine connecting rods, two steering engines and a direct-current brushless motor. The dragonfly-like miniature flapping-wing aircraft is designed based on bionics, and compared with an existing fixed-wing aircraft and an existing rotor aircraft, the dragonfly-like miniature flapping-wing aircraft is integrally light, high in energy utilization efficiency, suitable for the low-Reynolds-number flight environment and capable of being widely applied to low-speed and high-maneuverability flight scenes.

A counterweighted weedless fishing float suitable for suspending at least part of an attractant, such as live bait or an insect replica, above the surface of water in which the float is borne, and kits for assembling a variety of attractants, are provided. The float is counterweighted, and may comprise a plurality of air-trapping channels arranged within it to trap an amount of air sufficient to support the float and a connected attractant. In other embodiments, the float may comprise one or more sealed chambers to provide buoyancy. The float may be disguised as a water plant, fallen tree leaf, twig or other floating detritus or water creature. The attractant may replicate an insect such as a dragonfly, an insect larva such as a hellgrammite, or any other natural or artificial fish bait or prey. The float includes an adjustable stem so that the relative position of the attractant or bait with respect to the float and the water surface may be changed depending on the particular fish sought or the conditions present. In one form, the specific gravity of the invention may be adjusted by adding weights to vary its floating characteristics.

Aiming at the shortage of the current tidal current velocity research, the invention provides a tidal velocity prediction method based on a fractal theory and an improved least square support vector machine, which has the characteristics that the intermittency and uncontrollability of tidal energy are the main characteristic causing randomness of generator output power, the tidal velocity time series is a nonlinear system with fractal characteristics, by taking historical data as a research object, based on the fractal theory, the Hurst exponent and V statistic of time series are calculated byadopting an R / S analysis method, and the stability and autocorrelation of tidal current are evaluated. A tidal current prediction model is established based on the parameters of the improved least square support vector machine optimized by a dragonfly algorithm for predicting the tidal current. The prediction method can effectively judge the autocorrelation of the tidal velocity, provides the theoretical basis for the prediction of the tidal velocity, and effectively improves the prediction accuracy and the operation efficiency through the improved prediction model.

The invention relates to a lighting bamboo dragonfly using a solar photovoltaic generation as a supply power, belonging to the technical field of the new energy resource application. Sunshine is irradiated on a solar battery to generate current, the current is input to a photovoltaic controller through an electric lead to adjust, and then input to an energy-storing battery to store; when the solar battery does not generate current, the energy-storing battery outputs the current to provide electricity to the entire device. An inserted link at the lower part of a screw propeller is inserted to an insert slot at the upper part of an emitting device; a switch is pressed, the screw propeller is rapidly rotated by the motive power provided by the emitting device and then risen to the air; under the action of a centrifugal force, a dynamic trigger switch in a centre shaft of the screw propeller is interconnected with circuit between the photovoltaic controller and a lighting controller; and the lighting controller controls a light emitting diode (LED) lamp to emit light through an electric lead. The lighting bamboo dragonfly using the solar photovoltaic generation as the supply power does not need to change battery as well as mount moving members for changing the battery, so that the safety of the lighting bamboo dragonfly is improved.

A realistically shaped dragonfly fishing lure with a body comprised of several sections, which mimic those of a dragonfly. The dragonfly fishing lure has an H-shaped wing positioned on the top side of the body. More specifically, the H-shaped wing is attached to the thorax of the dragonfly fishing lure. The dragonfly fishing lure has at least one hook attached to the bottom of the body. The dragonfly fishing lure is designed to realistically look like and behave like a real dragonfly, thus replacing prior dragonfly lures.

The invention discloses a miniature dragonfly-imitating double-flapping-wing aircraft, which is constituted by a nose, a fuselage, four flapping wings, a tail and a head steering engine. The fuselagecomprises a fuselage skeleton, and further comprises transmission modules and flight control modules of the flapping wings; the transmission modules each comprise a micro motor, a first-stage reduction gear, a second-stage reduction gear, two output gears, two connecting rods, a rocker arm a and a rocker arm b; the first-stage reduction gears, the second-stage reduction gears and the output gearsconstitute second-stage gear reduction mechanisms; the output gears, the connecting rods and the rocker arms constitute two sets of symmetrical four-linkage mechanisms; and during working, the reduction mechanisms and the four-linkage mechanisms in the transmission modules are driven through the micro motors, finally the flapping wings are driven to achieve reciprocating flapping, and aerodynamiclift in the vertical direction is generated. Manufacturing is easy, the high design precision is easy to achieve, each single motor can drive the two corresponding flapping wings through the simple and compact structure, flapping of the front and rear flapping wings is completely symmetrical, the lift can be increased through the influence between the multiple flapping wings, and the flight performance is improved.

The invention provides an energy optimization scheduling device, equipment and a medium, and the device comprises a model building module which is used for building an optimization scheduling model ofan energy system from the power generation cost, the environment cost, the standby cost and the demand side response, and the optimization scheduling model corresponds to an objective function; an optimal scheduling module, used for carrying out optimal solution on the target function of the energy system according to a dragonfly algorithm and outputting an optimal solution meeting an iteration termination condition to obtain an optimal scheme of energy system scheduling; wherein the dragonfly algorithm is optimized through chaotic traversal search to improve the initialized population quality. The diversity of the population is improved by utilizing a neighborhood variation search optimization dragonfly algorithm. According to the device, the transferable load in the electrical load, thethermal load and the cold load of the demand side is considered, the optimized dragonfly algorithm is used for carrying out multi-objective optimization solution on the objective function, the population quality and diversity of the dragonfly algorithm are improved, and the obtained optimal scheme is more accurate.

The invention discloses a bionic unmanned scout helicopter. A helicopter head comprises two 270-degree waterproof ultrahigh-definition cameras which are symmetrically arranged and have infrared night vision functions and a differential GPS (Global Positioning System); an undercarriage comprises four mechanical arms which are symmetrically arranged at the bottoms of two sides of a helicopter body and mechanical claws at the bottoms of the mechanical arms; the autonomous grasping of a landing site is realized through the mechanical arms and the mechanical claws; the front end and the tail end of a tail duct are provided with multiple air inlets and air outlets respectively; further, a ducted fan for air suction and rectification is arranged in the tail duct; the centers of the bottoms of the mechanical arms are provided with vacuum cups which can be telescopically enlarged. The attachment to a perpendicular wall surface is realized and the landing buffer effect on ground is achieved by adopting the structures of the cups; the top of a propeller hub is provided with a sonic interference unit; the sound elimination and the noise reduction during flight are realized. The bionic unmanned scout helicopter is miniature and reliable, is agile in reaction, has no dead angles through infrared photography, and has unique concealment performance and higher safety performance; the landing on a plane at any angle is realized through the design of simulating the appearance of a dragonfly.

The present invention is a fishing hook delivery device for attaching a fishing lure and allowing it to hover above the water such as a dragonfly or other insect would hover over a body of water. A flotation body with a steel or carbon fiber wire attached flexible enough for the wire to sway but not dip into the water from the weight of the lure.

The invention discloses an overturning wing surface dragonfly-imitating multi-mode conversion micro-miniature unmanned aerial vehicle. The unmanned aerial vehicle comprises a fuselage, wings, a wing overturning system, a wing flapping system, a main shaft, a main shaft rotation control system and an empennage, the main shaft is vertically installed at the gravity center position of the fuselage through the main shaft rotation control system, and the wings are distributed on the two sides of the top end of the main shaft, fixedly connected with the wing flapping system through the wing overturning system and driven by the wing flapping system to flap up and down. The empennage is mounted at the tail of the fuselage; when the wings on the two sides are of a central symmetry structure, a flapping rotor wing mode is formed, and the main shaft rotates under the control of the main shaft rotation control system; the wing overturning system controls the wings to be in an axial symmetry structure to form a flapping wing mode after being overturned, and the main shaft stops rotating under the control of the main shaft rotating control system. According to the invention, vertical take-off and landing, spot hovering and rapid take-off can be realized.

The invention discloses a medicine for treating hypomenorrhea due to the deficiency of the kidney and a preparation method thereof. The medicine is prepared from the following medicinal raw materials: dried human placenta, eucommia bark, flastem milkvetch seeds, tokay, hairy antlers, sea horses, ursine seal testes and penes, prepared rhizome of adhesive rehmannias, dried longan pulp, cochinchinese asparagus roots, noble dendrobium stems, manyflower solomonseal rhizomes, barbary wolfberry fruits, glossy privet fruit, tortoise shells, rose flowers, gaulis aristolochiae, Danshen roots, twotooth achyranthes roots, suberect spatholobus stems, goat or sheep testes, dragonflies, Elaphurus Davidianus Milne-Edwards, greywhitehair raspberry fruits, air bladders of yellow croakers, freshwater sponge, wild groundnut seeds, cushaw stems, dahurian rose fruits and ford metalleaf roots. The medicine has the functions of nourishing the kidney, strengthening the essence, nourishing blood and regulating menstruation and is mainly used for treating hypomenorrhea due to the deficiency of the kidney. The medicine is prepared by integrating the concept of wholism with the treatment based on syndrome differentiation, can be used for improving the overall function, state and immunity of the human body, regulating qi and blood and improving the metabolism of blood, is targeted at hypomenorrhea due to the deficiency of the kidney, can take effect on the diseased part directly, is short in course of treatment, causes less adverse reactions, is safe and efficient, can be used selectively according to different clinical symptoms, can be applied conveniently and can be easily accepted by patients, and patients can not become resistant to the medicine.

The invention provides a photovoltaic global maximum power tracking control method based on an improved dragonfly algorithm, and belongs to the technical field of power grid dispatching automation. According to thephotovoltaic global maximum power tracking control method, a dragonfly algorithm is adopted, the photovoltaic global maximum power is tracked and controlled, a Levy flight mode is introduced, the dragonfly algorithm is improved, the tracking efficiency of the photovoltaic global maximum power is improved, the search speed of the algorithm is increased, the local extremum avoiding capacity of the algorithm is improved, and the problems that in the photovoltaic maximum power tracking process, the dragonfly algorithm iteration speed is low and power loss is caused due to the fact that the dragonfly algorithm is prone to fall into a local extreme value are solved.

The invention discloses a miniature dragonfly-like double-flapping-wing aircraft. The miniature dragonfly-like double-flapping-wing aircraft comprises a frame, flapping wings, a gear set, a connecting rod, a brushless motor and a servo motor. A front flapping wing has a free degree for flapping by winding a shaft, a rear flapping wing has two free degrees for flapping by winding the shaft as well as back and forth overturn; Compared with the current fixed wing airplane, the miniature dragonfly-like double-flapping-wing aircraft has high energy utilization efficiency, is adapted to low Reynolds number flow field, is designed based on bionics, and can be widely used for different occasions for Mars detection and military reconnaissance.

The invention relates to a method for preparing a feed for thrushes. The feed comprises the following components in percent by weight: miscellaneous fish meal, budworm meal, fig powder, dragonfly meal, damselfly meal, soybean protein powder, escargot meal, multivitamins, bone meal, monkshood powder, anemarrhena powder, campanulaceae powder, hippocampus powder, turtle shell meal, isatis root powder and morinda powder. The feed has low preparation cost, is prepared from the readily available components, has a simple formula and a good thrush feeding effect and is easy to prepare. The thrushes fed by the feed can grow quickly, are large, robust and graceful and have low incidence of diseases. The feed effectively overcome the defects of the existing feeds which are adopted by the thrush feeders large or feeding farms are shorts of various nutritions to cause the thrushes to lose and peck feathers, grow and develop slowly, have small size, light weight, chaotic and loose feathers, do not like to tweet and do activities and be susceptible to diseases and easy to die in severe cases.

The invention discloses a 220kV outdoor GIS double-dragonfly-type outlet wire arrangement structure. Although a GIS is adopted, the size of a total wire outlet side of a transformer substation is not reduced because of the width limitation of an outlet wire door frame of a conventional outdoor GIS. The technical scheme provided by the invention is characterized in that a wire outlet structure includes a vertical steel pipe pole and six wire outlet cross arms formed on the steel pipe pole. The wire outlet cross arms are all perpendicular to the steel pipe pole. The six wire outlet cross arms are distributed in three layers including an upper layer, a middle layer and a lower layer. Each of the layers is composed of two of the wire outlet cross arms disposed on two sides of the steel pipe pole respectively and the wire outlet cross arms in each layer are arranged in a staggered manner with the wire outlet cross arms on the same side and in the other layers. Double-loop vertical overhead wire outlet arrangement in the upper layer, the middle layer and the lower layer is formed through the cooperatively use of two GIS wire outlet intervals and the wire outlet structure. According to the invention, the wire outlet structure of the outdoor GIS power distribution device is simplified, the transverse size is reduced, floor space occupancy can be reduced distinctively and length of a 220kV GIS bus is reduced.

The invention discloses an eyesight improving and eye nourishing eye patch composition, which comprises the following raw materials by weight: 15-25 parts of the extract of flickingeria comata (bl.) hawkes, 10-20 parts of the extract of saussurea involucrata, 5-15 parts of the extract of crocus sativus l, 20-30 parts of a wild chrysanthemum extract, 5-10 parts of pearl powder, 5-15 parts of menthol, 10-15 parts of the extract of senecio scandens, 30-40 parts of borneol, 15-20 parts of dragonfly, and 10-15 parts of ant. According to the present invention, the eyesight improving and eye nourishing eye patch composition can provide effects of eyesight improving and eye nourishing, can provide significant effects on visual fatigue, eye swelling, xerophthalmia and other symptoms caused by overuse of eyes, has effects of blood circulation activation, meridian promoting, inflammation eliminating, itching stopping, pain stopping, eyesight improving and beautifying, and can supplement and maintain the moisture in eye skin, promote the blood circulation at eye parts, and enhance metabolism.

The invention discloses a dragonfly-imitating ornithopter, and belongs to the technical field of ornithopters. The dragonfly-imitating ornithopter comprises a flight control system, a flapping wing device and two pairs of flexible flapping wings, wherein the flapping wing device comprises a front double-wing driving mechanism, a rear double-wing driving mechanism and a driving mechanism connecting frame; the front double-wing driving mechanism and the rear double-wing driving mechanism have the same structure and comprise double-wing active energy piezoelectric actuators and a pair of side wing driving mechanisms with the same structure; the pair of side wing driving mechanisms with the same structure comprises a side wing auxiliary kinetic energy piezoelectric actuator and a side wing flapping mechanism; the side wing flapping mechanism comprises a side wing flapping structure and a side wing rocker arm; the side wing flapping structure comprises a main kinetic energy driving connecting arm and an auxiliary kinetic energy driving connecting arm; the flexible flapping wings are connected with the side wing rocker arms through the flapping wing connecting structures; and the front double-wing driving mechanism and the rear double-wing driving mechanism are respectively arranged in front of and behind the driving mechanism connecting frame. The dragonfly-imitating ornithopter has the characteristics of light weight, compact structure, independent control of four-wing amplitude and vibration frequency and the like.

The invention relates to a storage battery parameter recognition method based on an improved dragonfly algorithm. The storage battery parameter recognition method comprises the following steps of 1, constructing a three-order Thevenin equivalent circuit model; 2, collecting terminal voltage change data of variable current discharge of the storage battery, and constructing a fitness function according to the terminal voltage change data and a model output result; 3, selecting a dragonfly algorithm as an recognition method, and searching an initialized dragonfly population in a space by using Tent chaotic mapping; 4, further optimizing population diversity by using an elite reverse learning group strategy; 5, adaptively adjusting the flight step length based on the dragonfly algorithm and the behavior weight constructed by the S-shaped function, and updating the population position; sixthly, repeating the operation of the fourth step and the fifth step until the fitness of the prey meetsan expected value or reaches the maximum iteration step number; and 7, outputting the parameter information of the optimal individual as a model parameter of the storage battery, and drawing a fitting curve and an error curve. The method can replace a conventional storage battery recognition method, and effectively improves the recognition precision of the parameters of the storage battery.

The invention discloses a dedicated snakehead feed which is prepared from the following raw materials in parts by weight: 80-90 parts of maize, 10-15 parts of wheatmeal, 5-10 parts of cottonseed meal, 4-7 parts of dragonfly powder, 20-24 parts of soybean germ juice, 30-35 parts of yellow peach juice, 5-7 parts of salad dressings, 1-2 parts of black pepper, 10-15 parts of cane shoots straws, 13-18 parts of rose stems, 5-9 parts of pickled cowpeas, 3-5 parts of fructose, 10-14 parts of lemon juice, 2-3 parts of ginseng buds, 1-2 parts of radix curcumae, 1-2 parts of gynostemma pentaphyllum, 2-3 parts of hippophae rhamnoides, 20-25 parts of oyster shell powder, 20-25 parts of fish cream, 3-4 parts of yeasts, 3-4 parts of a phagostimulant, and a moderate amount of water. The feed prepared by the preparation method has rich proteins, vitamins and trace elements; the fed snakehead is good in body type, and excellent in meat quality, and has good culture benefits.

The invention relates to a traditional Chinese medicine composition for treating impotence. The traditional Chinese medicine composition is prepared from 15-25 weight parts of prepared rehmannia root, 15-25 weight parts of fructus evodiae, 15-25 weight parts of dragonfly, 15-25 weight parts of Chinese angelica, 15-25 weight parts of coix seed, 15-25 weight parts of white peony root, 15-25 weight parts of morinda officinalis, 12-18 weight parts of cuttlebone, 12-18 weight parts of dragon bone, 12-18 weight parts of muscardine silkworm, 12-18 weight parts of common cnidium fruit, 12-18 weight parts of Chinese chive seed, 7-11 weight parts of lumbricus, 7-11 weight parts of radix bupleuri, 7-11 weight parts of cardamom, 7-11 weight parts of grass-leaved sweetflag rhizome, 7-11 weight parts of epimeddium, 7-11 weight parts of semen cuscutae, 7-11 weight parts of honeycomb, 5-7 weight parts of ganoderma lucidum, 5-7 weight parts of centipede, 5-7 weight parts of actinolite and 5-7 weight parts of pilose antler. The traditional Chinese medicine composition has the advantages of stable curative effects, short treatment time and small side-effect.

The present invention is a fishing look delivery device for attaching a fishing lure and allowing it to hover above the water such as a dragonfly or other insect would hover over a body of water. A flotation body with a steel or carbon fiber wire attached flexible enough for the wire to sway but not dip into the water from the weight of the lure.

The invention provides a power load prediction method based on a dragonfly and lightweight gradient boosting tree model introducing an adaptive learning factor and a differential evolution strategy, and relates to the technical field of information. The method comprises the following steps: firstly, performing data preprocessing, including missing value processing, data normalization, abnormal value processing and data normalization; the improved dragonfly algorithm is used for optimizing parameters of the lightweight gradient boosting decision tree model, and the improved lightweight gradient boosting decision tree model is used for power load prediction. A training set and a test set are divided according to 7: 3, the training set is used for model training, an improved dragonfly algorithm is used for optimization, a lightweight gradient boosting tree model under optimal parameters is obtained, testing is carried out through the test set, and under the condition that a given prediction error is met, the power load is predicted.

The invention provides a bionic dragonfly flapping wing mechanism which comprises symmetrically arranged fuselages, N driving devices arranged on the side faces of the fuselages and N wings arranged corresponding to the N driving devices, and N is an even number larger than or equal to 4; wherein a power unit and a transmission unit are arranged in an inner cavity of the machine body, the power unit is used for generating power, and the transmission unit is used for transmitting power; the N driving devices are used for driving the corresponding wings to work according to the power transmitted by the transmission units and adjusting the amplitude of the wings. According to the bionic dragonfly flapping wing mechanism, the structure is compact, the power transmission efficiency is high, in addition, the bionic dragonfly flapping wing mechanism can achieve basic flight modes such as hovering, turning and acceleration, and the flapping amplitude of the wings can be changed in the flight process.

A composite medicine for treating kidney Yang deficiency and sexual dysfunction is prepared from ginseng, pilose antler, epimedium, dragonfly and silkmoth through pre-treating, extracting from silkmoth in alcohol, concentrating, grinding others, mixing, drying, pulverizing, and shaping.

The invention discloses a ferment organic fertilizer. The ferment organic fertilizer is characterized by comprising the following substances in parts by weight: 2-6 parts of a concentrated ferment liquor, 45-56 parts of wheat bran, 16-19 parts of dragonfly and earthworm manure, 8-13 parts of rape-seed cakes, 25-30 parts of chicken manure, 15-35 parts of rice bran, 3-9 parts of jasminum grandiflorum, 5-14 parts of cudrania cochinchinensis, 40-45 parts of bean straws, 9-12 parts of gardenia sawdust, 15-20 parts of potato straws, 0.01-0.03 part of lactic acid bacteria powder, 0.01-0.04 part of nitrifying bacteria powder and 20-30 parts of ash wood. The ferment organic fertilizer contains abundant active proteins, auxin, antibiotics, chrysarobin and the like, also contains microelements such as boron, selenium, zinc, iron, lead and calcium, has the effects of strengthening roots and stems, increasing flowers, bearing fruits, expanding fruits, colorizing fruits, increasing the yield, and improving the composite functions, has strong immunity and control capability for various plant diseases and insect pests, and has unique degradation action on heavy metal elements and pesticide hazards.