362 results about "Jellyfish" patented technology

The bionic mechanical jellyfish consists of a power system comprising four electromagnet devices, a driving system comprising four baffles and two return springs, a water jetting system comprising two leather bags, two water inlet pipes and four water outlet pipes, and a fixing rack comprising a right and a left fixing beam. The present invention has no noise, complete functions, simple structure, high work efficiency, low cost and other advantages.

The invention discloses a closed mechanical transmission type machine jellyfish which comprises a cavity outer shell, a head outer shell, an internal framework, a power transmission mechanism, a connecting rod actuating mechanism, a motive power source, a control circuit board, a power source device and an elastic latex shuck, wherein the head outer shell, the internal framework, the power transmission mechanism and the connecting rod actuating mechanism are arranged on the cavity outer shell, the motive power source, the control circuit board and the power source device are arranged on the internal framework, and the elastic latex shuck is arranged on the connecting rod actuating mechanism. The contraction and the expansion of the cavity formed by the connecting rod actuating mechanism and the elastic latex shuck are achieved through the output motion of a steering engine so that a jetting pushing mode of a biological jellyfish can be simulated. The closed mechanical transmission type machine jellyfish can offer an experiment platform for researching hydrodynamics, a swimming mechanism and a control method of jellyfish motion and can be used for science popularization education and exhibition.

The invention relates to a moving method for a hybrid-driven jellyfish-simulating amphibious robot and belongs to the technical field of a bionic hybrid-moving robot. The robot is composed of a driving mechanism (3), a transmission mechanism (2), a shell (1) and an elastic leg (4). The moving method comprises the steps of performing diving and floating motion; performing veering motion; controlling the speed; and walking underwater or on the land. According to the moving method, the motion modes are various, and the whole structure is stable and is difficult to turn on one side during the whole moving process.

The invention relates to a preparation method of jellyfish collagen protein and a method for utilizing the enzyme engineering technology to obtain active peptides with different molecular weight segments. The method takes fresh jellyfish, unfrozen jellyfish or salted jellyfish as raw materials, the acid and base are adopted to carry out the swelling treatment of the raw materials, the jellyfish collagen protein is extracted by hot water, and the collagen is obtained by desalination, concentration and drying. The extracted collagen protein is subject to directional enzymolysis, ultrafiltration separation, desalination, concentration and drying, so the ladder collagen peptides with the different molecular weights can be obtained. The collagen protein and the peptides which are prepared by the invention has high extraction rate, short production cycle, simple production process, controllable product specifications and low cost, which is applicable to the industrial production. The products prepared by the invention are white or light yellow, good in quality and very easy to be dissolved in water, so the products can be used in the fields of medical health care, cosmetics and food, etc. and provide a new idea for the storage and the high-valve utilization of jellyfish.

The invention provides an underwater minitype biomimetic robot fish, comprising a hemispherical head, a body and a pushing tail. The front end of the hemispherical head is provided with two minitype infrared photoelectric sensors; the body is connected between the hemispherical head and the pushing tail, which is a telescopic body that consists of a memory alloy spring and a light compression spring that is sheathed outside the memory alloy spring; the pushing tail is provided with two ICPF fish tails which are arranged in parallel at the two sides of the telescopic shell. The memory alloy spring and the ICPF are respectively connected with an external circuit by light leads. The invention provides the underwater minitype biomimetic robot fish with power supplied by low voltage, driven by novel intelligent material and ultra-low noise. The underwater minitype biomimetic robot fish is designed by combining the characteristics of floating and submergence of jellyfish and tail swing advancing of fishes after researching multiple motion types of normal fishes.

The invention discloses a process for preparing hydrolyzed collagen protein using jellyfishes as the raw material, and belongs to the natural resource processing as well as utilizing technical field. The invention uses a novel natural marine biological resource, i.e. jellyfishes, as the raw material for preparing hydrolyzed collagen protein, and realizes the conversion of the role of the jellyfishes from a marine ecological disaster species to a novel natural marine biological collagen protein resource. By operating according to the invention, 2 percent of hydrolyzed collagen protein with more than 95 percent of purity, less than 3000 molecular weight and more than 85 percent of peptides can be obtained. The hydrolyzed collagen protein is known as an important healthy food and cosmetic raw material, and has wide range of application in the clinical medicine, the textile industry and the fine chemical industry, etc. Developing and utilizing the jellyfishes used as the natural marine biological resource has great significance to the fast growing of the jellyfishes, in order to the effective protection of marine ecologic environment of China and to the rapid recovery of the marine fishery.

The invention relates to ready-to-eat jellyfish food and a method for producing the same. The method comprises the following steps: selecting salted jellyfishes of two alums or three alums as raw materials, cutting the salted jellyfishes to be shaped, mixing the salted jellyfishes with an aqueous solution of edible salt and an antiseptic after rinsing, soaking and desalinating, removing the alums, blanching, cooling thoroughly, and sterilizing; packaging the jellyfishes airtightly by packing materials; selecting sesame oil to be packaged by the packing materials; selecting table vinegar to be packaged by the packing materials; selecting edible salt, monosodium glutamate, spice powder, cooked sesame, and cooked and crushed peanut to be packaged by the packing materials; and packaging the singly and airtightly-packaged contents in a composite mode to obtain the finished product. The compositions in weight percentage of the ready-to-eat jellyfish food are: 90 to 95 percent of the jellyfishes and the aqueous solution of the edible salt and the antiseptic, 0.5 to 1 percent of the sesame oil, 1 to 2 percent of table vinegar, and 3 to 8 percent of flavorings. The ready-to-eat jellyfish food has crisp and smooth mouthfeel and delicious taste, which can be eaten just by tearing the package and performing simple blending without treatments before eating. The method has the advantages of reasonable process, strong operability, and suitability for industrial production.

The invention discloses a process method for dealumination in jellyfish processing. The adopted technical scheme comprises the following steps that: a jellyfish is pickled and cleaned through salt and alum for three times; a dealumination treatment process is added; in a manner of soaking through 2 percent of citric acid to destroy combination of an aluminum element in the jellyfish, aluminum ions are liberated, so that the amount of aluminum residues in a finished jellyfish product is decreased; soluble aluminum ions which are liberated through acid soaking and the remaining citric acid are removed through rewashing, so that good taste is ensured. According to the method, a food additive namely a citric acid solution is adopted for the dealumination, so that the safety of a product is improved. The method is good in effect, low in cost, simple in process and easy to operate.

The invention provides a jellyfish bionic robot. The jellyfish bionic robot comprises a jellyfish head portion, a supporting seat, a flexible shell, radial memory alloy elastic pieces and axial memoryalloy elastic pieces of a floating device; the flexible shell is a hemisphere-like hollow shell, a plurality of radial memory alloy elastic pieces are evenly distributed in the circumferential direction the flexible shell, and a plurality of evenly distributed axial memory alloy elastic pieces are arranged at the lower part of the flexible shell; the axial memory alloy elastic pieces and the radial memory alloy elastic pieces are perpendicular to each other, and the flexible shell is connected with the supporting seat through the radial memory alloy elastic pieces; the hemispheric jellyfish head portion is arranged above the supporting seat, the floating device is installed under the supporting seat, and the floating device and the jellyfish head portion are connected and sealed through threads and are fastened on the supporting seat. The jellyfish bionic robot can not only realize the propelling motion, but also can realize the turning movement similar to real jellyfishes, and has asimple structure and a good bionic effect.

The invention aims at providing a jellyfish-type bio-robot. The jellyfish-type bio-robot comprises a movement system and a tide direction judgment system. The movement system comprises a power source, a large-torque gear motor, a crank sliding rod mechanism, a jellyfish-type propeller framework, jellyfish-type propeller blades, a front-arrangement water tank, a steering engine, a steering rod and a rudder. The tide direction judgment system comprises a single-chip microcomputer, a GPS, a water inlet cabin, a cabin door, a guide pipe, a power generation cabin, an impeller, a power generator and a water drainage part. By means of the jellyfish-type bio-robot propelled based on tides, automatic judging can be carried out, distance propelling can be carried out through the tides, and the working range is greatly expanded; a jellyfish-type propeller is driven by the large-torque gear motor, noise is small, the hidden performance is good, and disturbance in marine animals such as fishes is small.

The invention relates to a method for preparing composite blood pressure lowering peptide by using a marine organism. The method comprises the following steps of: weighing the following raw materials in percentage by weight: 5-10 percent of sea cucumber, 50-65 percent of jellyfish, 10-25 percent of kelp and 10-20 percent of acetes chinensis; desalting and softening respectively; pulping respectively and then adding water to grind into paste; heating to kill off microorganisms; cooling, then performing enzymatic treatment and deactivating enzyme; cooling and then centrifuging, and filtering supernatant through a tubular membrane to remove macromolecules; and grading filtrate through an organic membrane with molecular weight cutoff of 3,000 Dalton, collecting cutoff liquid of below 3,000 Dalton, and nanofiltering, concentrating, desalting, drying and compounding to obtain the composite blood pressure lowering peptide. In the method, an optimal enzymolysis technical scheme is determined; and in tubular filtration, ultrafiltration, nanofiltration separation extraction technologies, the extraction efficiency is high, and the resultant composite blood pressure lowering peptide has an obvious pressure lowering effect. The method has the advantages of scientific material selection, rational process, easiness and convenience in operation and easiness in implementation of industrial production.

The invention relates to underwater propulsion devices, particularly to a jellyfish swimming type serial bionic underwater propulsion device which aims at solving the problems that the existing jellyfish swimming type bionic propulsion device is complex in mechanical structure, large in movement control difficulty, low in system integration level and not suitable for micro miniaturization, the high efficiency of the jelly retraction water-spraying state cannot be continuously maintained in one movement cycle, and the difference with the propulsion behavior of real jellyfishes is large. The jellyfish swimming type serial bionic underwater propulsion device comprises N power supply and control modules and also comprises N-1 inter-stage connecting shafts and N stages of propulsion machine jellyfishes, wherein N is a positive integer and N is not less than 2; every two adjacent stages of propulsion machine jellyfishes are connected through the corresponding inter-stage connecting shaft; the inter-stage connecting shafts and the propulsion machine jellyfishes are coaxial; one end of every inter-stage connecting shaft is connected with an abdominal cavity top cover of the corresponding stage of propulsion machine jellyfish; the other end of every inter-stage connecting shaft is connected with an abdominal cavity base of the other corresponding stage of propulsion machine jellyfish; every abdominal cavity base is embedded into the bottom of a bionic flexible body. The jellyfish swimming type serial bionic underwater propulsion device is applied to the marine research and other fields.

The invention discloses a jellyfish-like underwater propulsion device. The propulsion device simulates the opening and closing movement process of a canopy of the jellyfish based on the bionics principle; a servo motor is controlled to rotate forward and rotate reversely so as to drive a nut to correspondingly move back and forth along a guide rod under the drive of a feed screw; when the nut moves forward, a supporting rod mounted on a nut groove drives a flexible web contract under the effect of the hydrodynamic force, and the device suffers small resistance; and when the nut moves backward, the supporting rod mounted in the nut groove drives the flexible web to unfold under the effect of the hydrodynamic force, and a great thrust is generated to propel the device to sail forward. The jellyfish-like underwater propulsion device is simple in structure, low in cost and good in explosive force. The propulsion device is mounted on the existing underwater vehicle to effectively improve the maneuvering performance of the underwater vehicle in low-speed sailing.

The invention belongs to the field of an underwater robot and specifically provides a three-dimensional barycenter adjusting device for a robot jellyfish. The invention aims to solve the problem that the barycenter adjusting structure in the prior art cannot realize the three-dimensional free adjustment for barycenter. The three-dimensional barycenter adjusting device for the robot jellyfish provided by the invention comprises a guide rail, two cantilevers and two counterweights, wherein one ends of the cantilevers are mounted on the guide rail in a sliding form; the cantilevers can freely rotate around the guide rail; the other ends of the cantilevers are fixedly connected with the counterweights. The guide rail is driven by the driving device to realize the actions, so that the three-dimensional barycenter adjusting device for the robot jellyfish provided by the invention can randomly change the position of the barycenter in the three-dimensional space.

An artificial reproduction technique for craspedacusta includes such steps as capturing the parents with high activity, complete body and visual sexual gland, choosing and pairing, culturing in the water with pH=6.4-8.6 and dissolved oxygen (3.0-21.7 mg/L) under illuminance of 800-1200 Lx, feeding small crustacena plankton and seaweed, culturing hydroids, culturing larvae, and culturing adults.

The invention discloses a propeller and steering engine hybrid power propulsion mechanical jellyfish, and belongs to the field of underwater robots. The propeller and steering engine hybrid power propulsion mechanical jellyfish comprises a head outer casing 1, a steering engine driving mechanism, a propeller propulsion mechanism and an outer skin 13, and is characterized in that the head outer casing 1 is symmetric to the middle axis 12 of the head outer casing; the propeller propulsion mechanism is arranged at the bottom part of the head outer casing 1, and the center line of the propeller propulsion mechanism and the middle axis 12 of the head outer casing are positioned on one line; the steering engine driving mechanism uses the middle axis 12 of the head outer casing as the symmetric axis, and is arranged around the propeller propulsion mechanism; the outer skin 13 is arranged at the outer side of the steering engine driving mechanism, and is connected with the head outer casing 1.The propeller and steering engine hybrid power propulsion mechanical jellyfish has the advantages that by using the propeller and steering engine hybrid power to drive, and adjusting the mechanical arm and propeller driving type, the multiple different movement modes can be realized; the propeller and steering engine hybrid power propulsion mechanical jellyfish can be applied to the fields of study and research, seabed exploration, study of bionic jellyfish and the like.

The invention relates to a processing method of instant jellyfish. The method comprises steps of washing, shredding, soaking, salting, flavoring, vacuum packaging (sealing). With the method provided by the invention, inhere appearances, inhere tastes, and nutrient components of jellyfish are well preserved. A flavoring formula is provided, such that jellyfish foodstuffs with multiple flavors, no preservative, and no vitriol are produced. The products are easy to store and to carry, and can be directly eaten. With the processing method, equipment investment is small, and the environment is not polluted. Therefore, the processing method has a good popularization value.

The invention relates to the technical field of biologics, in particular to a method for extracting a toxin protein which causes vascular permeability increase from white cyanea tentacles. The method comprises the following steps: unfreezing fresh white cyanea tentacles which are frozen at a super-low temperature at a low temperature, washing by a small quantity of buffer solution, collecting the buffer solution, centrifuging to obtain a supernatant and using the supernatant as cyanea crude toxin, and sequentially separating by an ion chromatographic column and a gel chromatographic column to obtain the toxin protein CnP45 which causes vascular permeability increase, wherein the molecular weight of the toxin protein is 45kD. The extracting process of the jellyfish toxin is simplified, the interference of impurity proteins is reduced, and an important method instruction is provided for the further separation and purification of jellyfish toxin ingredients.

The invention aims at providing semi-dry instant jellyfish, namely a leisure semi-dry jellyfish product which is ready to eat, and a processing method thereof. A semi-dry instant jellyfish processing technology is combined with an ultrasonic assisted technology, so that the time needed for desalination and desulfonylation is greatly shortened, and the production efficiency is improved. By adding a water activity lowering agent and carrying out semi-dry treatment, the water activity of semi-dry jellyfish is reduced to 0.88-0.90, the growth of most bacteria is inhibited, and the storage period of the product is prolonged; meanwhile, the product has unique taste and can be prepared to have different flavors. The leisure semi-dry jellyfish product does not need refrigeration, is ready to eat and unique and delicious in taste, and has very good market development prospect.