19results about How to "Protective" patented technology

The application discloses a kind of preparation and application of lime key component extract with the effect of relieving psychological stress, belong to medical technical field.The application uses Rutaceae citrus plant lime as raw material, and water phase crude extract is prepared by washing and juicing, and the residue is extracted by ultrasonic-assisted ethanol to obtain alcohol phase extract, the two phases are combined and concentrated under reduced pressure, then purified by D101 macroporous resin, to obtain extract rich in active ingredients such as tangeretin, geniposide B, neohesperidin, etc.The application has simple process and high extraction efficiency, and the obtained extract is natural in origin and safe in composition.Animal experiments have verified that the extract can significantly improve anxiety-like behavior caused by stress, and the effect of relieving psychological stress is better than that of single hesperidin, and it can also effectively improve abnormal weight loss caused by stress, regulate the level of inflammatory factors in the body, and balance psychological relaxation and physiological protection.The application fills the application gap of lime in the field of psychological stress relief, and provides a new scheme for developing natural and safe stress relief products.

This invention discloses a speed reducer with adjustable reduction ratio and its adjustment method, relating to the field of speed reducer technology. The key technical points are: it includes an upper planetary assembly and a lower planetary assembly. The upper planetary assembly includes an upper planet carrier, an upper sun gear, upper planet gears, and an upper ring. The lower planetary assembly includes a lower sun gear, lower planet gears, and a lower ring. The upper sun gear and lower sun gear are connected and rotate coaxially, and the upper ring and lower ring are connected and rotate coaxially. The lower planet gears are connected to the lower sun gear and lower ring via friction transmission. At least one of the lower ring and lower sun gear has a gradient radius. The lower planet gears are configured to move along the direction of the axial displacement component to change their axial position on the gradient radius working surface, thereby changing the working radius of the lower sun gear and / or the lower ring. Through the continuous change of the working radius, the overall transmission ratio of the speed reducer is continuously adjusted, achieving a compact structure and stepless speed regulation.

The utility model discloses an auxiliary hoisting tool for large pipeline compensator, including base and clamping component, and clamping component includes a pair of adjustable relative position and lockable setting in the two clamping jaws of base, and through the relative position of two clamping jaws adjustment realizes the clamping restraint or release of pipeline compensator. The utility model adopts integral type support structure, avoids the direct contact of weak position of pipeline compensator, disperses the stress point to flange and reinforcing ring, adopts modular design simultaneously to adapt to different caliber pipeline compensator, and can be received in parts and be convenient for transportation, compared with traditional hoisting method, reduces the rework and spare part waste due to hoisting damage, shortens the construction period, especially suitable for the repair scene, solves the industry pain point, and has the protection, high efficiency and economy.

The utility model discloses a tethered lighting unmanned plane with air duct heat dissipation structure relates to unmanned plane technical field, this tethered lighting unmanned plane with air duct heat dissipation structure, including unmanned plane main part. The utility model discloses through annular air duct, air duct inner wall several heat dissipation fins, air duct side surface LED lighting module and the setting of heat pipe heat transfer structure, when using, utilize the downwash airflow of propeller to flow through air duct heat dissipation structure, effectively take away the heat of LED lighting module and produce, be applicable to high -power, long -time lighting task, secondly adopt heat pipe and air duct initiative heat dissipation structure, need not additional fan just can realize high -efficient cooling, and, air duct material is high -strength aluminum alloy material, possesses anti -impact and falling protection ability, and this unmanned plane system has high heat dissipation efficiency, strong structural safety and strong environmental adaptability etc. Characteristics, be applicable to emergency lighting, disaster rescue, night rescue etc. Variety scene.

This utility model provides a wind turbine tower protection device that is easy to disassemble, including two mutually cooperating protective plates. The two protective plates are fixedly spliced ​​on the outside of the connection between adjacent tower sections. Semi-circular sealing rings are provided on the upper and lower sides of both protective plates. An installation ring is provided on the outer side of the protective plate between the two sealing rings. Multiple outwardly rotatable conical plates are provided on the circumferentially arranged on the installation ring. By splicing and fixing the two protective plates to the outside of the tower section connection, and with the semi-circular sealing rings on the upper and lower sides, a fully enclosed seal protection can be formed for the splicing gap. The outwardly rotatable conical plates on the outer installation ring form a physical barrier around the tower to prevent climbing. The sharp structure formed after the conical plates are rotatably rotated effectively prevents human or animal climbing, improving the safety of tower operation. Furthermore, the overall structural design facilitates disassembly and quick assembly / disassembly during later maintenance and repair, combining the dual functions of sealing protection and active anti-climbing.

The utility model belongs to technical field, concretely relates to a combined crash barrier, including first barrier board and second barrier board, the size of first barrier board and second barrier board is same, and the lower extreme of first barrier board and second barrier board is fixedly connected with a plurality of support legs respectively, the lower extreme of support leg is fixedly connected with support block, support block is provided with a plurality of threaded holes, first barrier board and second barrier board are provided with combination mechanism, first barrier board and second barrier board are provided with buffer crashproof mechanism. The utility model discloses through the lower pressure of the first barrier board and the second barrier board of the pressure block, the lower end of the first barrier board and the second barrier board is tightly attached to the top block, the front slide bar is connected with the front lug plate sliding, the rear slide bar is connected with the rear lug plate sliding, then the lower end of the front slide bar and the rear slide bar is limited by the nut, thereby the lower end of the front slide bar and the rear slide bar is fixedly limited, avoids the front slide bar and the rear slide bar to separate, thereby the effect of the loading and unloading of the first barrier board and the second barrier board is convenient to reach.

The utility model discloses a massage sofa bed with lying linkage mechanism, including base, sliding frame, the sliding frame respectively includes support frame, seat frame, backrest frame, leg support frame, support frame and base sliding connection, seat frame fixed mounting is in support frame, and leg support frame and backrest frame are respectively rotationally connected in the front and rear end of seat frame, be provided with connecting rod subassembly between leg support frame, backrest frame and base, connecting rod subassembly includes two first connecting rod, two second connecting rod, be provided with drive mechanism between seat frame and base, when the sliding frame relatively base slides to front, backward, can pass through second connecting rod linkage backrest frame corresponding backward, forward overturn, when backrest frame backward, forward overturn, can pass through first connecting rod linkage leg support frame upward, downward overturn. The utility model can realize the synchronous linkage of sliding frame forward movement, backrest overturn and leg support lifting through single drive mechanism.

This invention discloses a method and device for constructing a cross-island heterogeneous federated learning system based on homomorphic encryption. After local training on the client, the local model is packaged and sparsified at the packet granularity. The sparsed packet data is homomorphically encrypted, and the ciphertext and mask are sent to a parameter server. The parameter server aggregates the data according to the client's ciphertext weights and sends the aggregated ciphertext global model and mask to the client. The client decrypts the global ciphertext and unpacks it to obtain the global model, and updates its local model. The client calculates and returns a sketch of its local model. By clustering the sketch, the fastest client in each cluster is selected as a participant in the next round of training, and the contribution is calculated based on the sketch to obtain the aggregation weights for the next round. The trained local model is then applied to the cross-island heterogeneous federated learning system. This invention can improve the efficiency of homomorphic encryption while protecting privacy, and simultaneously resist the negative impact of lagging on model synchronization.

The application discloses a compound with neuroprotective activity, a preparation method and application. A new compound of diketopiperazine alkaloids is separated from a fermentation product of Aspergillus, the compound is stable in performance, has no cytotoxicity, and has significant neuroprotective activity. The compound can improve the cell survival rate of a nerve injury in vitro model at a lower concentration, inhibit the generation of active oxygen and malondialdehyde, and obviously increase the expression amount of superoxide dismutase, and has the effects of antioxidation and anti-nerve injury, and has a wide application prospect in the preparation of medicines for preventing and treating neurodegenerative diseases.

The present application relates to the use of a cyclic heptapeptide in the preparation of a medicament for reducing body weight. Specifically, the present application discloses a new use of a cyclic heptapeptide Cyclo-[TYVPKAF] or a pharmaceutically acceptable salt thereof in the preparation of a medicament for reducing body weight, preventing or treating a body weight related disease. The body weight related disease includes obesity, overweight, metabolic syndrome, type 2 diabetes, fatty liver, cardiovascular disease or osteoarthritis, etc. The present application first discovers that the specific cyclic heptapeptide has clear and convenient body weight control activity, and in particular, its orally effective characteristics provide a new choice for long-term body weight management.

The utility model relates to the field of trauma treatment, concretely relates to a sports trauma treatment device, including outer tube, inner tube, shower nozzle, elastic protection cylinder, press head, one filling cylinder, second filling cylinder, medicine water cylinder, gauze band and adhesive tape, the inner tube is installed to the outer tube inboard lower section position, the shower nozzle is installed to the outer tube inboard upper section position, the elastic protection cylinder is installed between the inner tube and the shower nozzle, the press head is installed to the shower nozzle upside, the one filling cylinder, second filling cylinder and medicine water cylinder are installed to the inner tube inboard, the gauze band is installed in the one filling cylinder, the adhesive tape is installed in the second filling cylinder, when the user's wound is too big or bleeding does not stop, can rotate knob, make the limiting block from the rotation in the rotation groove to the position of limiting groove, pull out the one filling cylinder outward, take out the gauze band from the one band mouth and carry out the bandaging hemostasis to the wound.

This invention discloses an easy-to-operate rice transplanting device and method, relating to the field of rice planting technology. It includes a moving component with a chassis, the bottom of which is welded with two scrapers. In use, when the triangular block rotates, it drives the movable shaft to rotate within the movable opening, thereby causing the trolley to move left and right within the slide rail. Simultaneously, this causes the elastic rod to slide left and right, allowing the movable rod at one end of the elastic rod to move within the connecting hole. The outer diameters of the first and second circular plates are both larger than the inner diameter of the connecting hole, enabling the movable rod to continuously drive the lever in a reciprocating motion. The lever rotates around the positioning shaft during this reciprocating motion, causing the scraper blades to continuously scrape the mud surface, smoothing out mud pits created by footsteps and improving the survival rate of seedlings.

This utility model relates to the field of assisted reproductive technology, specifically to an embryo transfer tube, comprising a first tube segment and a second tube segment connected to each other. The inner diameter of the second tube segment is larger than that of the first tube segment. A piece of absorbent cotton is placed inside the second tube segment. An annular limiting seat is provided on the inner wall of the second tube segment at the end away from the first tube segment, and the inner diameter of the annular limiting seat is smaller than that of the second tube segment. By setting an annular limiting seat at the end of the larger-diameter second tube segment, this utility model can reduce the air intake cross-sectional area, increase airflow resistance, and make the negative pressure generated by the suction bulb more gradual. This facilitates the operator's precise control of the embryo aspiration position, thereby reducing the risk of embryos being accidentally aspirated into the second tube segment. Simultaneously, the absorbent cotton placed inside the second tube segment further intercepts any embryos and fluids that may be accidentally aspirated.

The utility model relates to a tail gas impurity removal device, it includes at least one impurity removal mechanism, the impurity removal mechanism includes casing and adsorption unit, and the casing has the accommodation cavity, the adsorption unit includes magnetic part and non -magnetic part, the non -magnetic part at least part is located in the accommodation cavity, the magnetic part opposite the non -magnetic part movable, to make the magnetic part can be close to or far from the non -magnetic part, when the magnetic part close to the non -magnetic part, the magnetic part through the non -magnetic part adsorption the magnetic impurity that the tail gas contains in the accommodation cavity, when the magnetic part far from the non -magnetic part, the magnetic impurity can separate from the non -magnetic part, the technical scheme of the embodiment of the application effectively solves the problem that the tail gas is blocked and the pressure is stored due to the impurity enrichment, and is applicable to the industrial tail gas processing scene of magnetic impurity content.

This invention discloses an electro-proportional brake valve pressure control system and method. The system includes a controller and a brake valve body, the latter comprising a brushless DC motor, a mechanical transmission assembly, and a pressure component. The control method is based on a target pressure command and feedback hydraulic pressure calculation error, and employs an improved PID control algorithm to generate motor control signals. The improved algorithm mainly includes: amplifying the proportional gain in the low-pressure range to accelerate response; controlling the motor to stop through delay logic to reduce residual pressure when there is zero command and the pressure is below a threshold; and controlling the motor to reverse to disengage from mechanical jamming when motor current protection is detected and the command is zero. This invention effectively improves the dynamic response speed at low pressures, significantly reduces system residual pressure, and possesses self-recovery capability from mechanical jamming, thereby improving the control accuracy and reliability of the brake valve.

This invention discloses a highly stable, high-brightness, fast-dissolving, dust-free natural blue composition granules, its preparation method, and its applications, belonging to the field of pigment extraction technology. This natural blue composition uses gardenia blue, butterfly pea flower extract, and phycocyanin extract as the ternary coloring components, compounded with buffers (phosphates) and antioxidants (vitamin C and tea polyphenols), and employs an embedding wall material (β-cyclodextrin and sodium caseinate) for emulsification and embedding. Finally, it is produced into composite granules through spray drying and dry granulation processes. The composition granules exhibit a bright and vibrant color, excellent light and heat resistance, rapid dissolution in water without dust generation, and are environmentally friendly. This invention also provides a method for preparing the composition granules and their application as a colorant in food, pharmaceuticals, and cosmetics, offering a safe, stable, and efficient comprehensive solution to replace petroleum-based synthetic blue pigments.

The utility model discloses a kind of cable short-time overload temperature rise protection devices, it is related to cable protection device technical field, it includes shell, the inside sliding connection of shell has cable conductor one and cable conductor two, the outside of cable conductor one is equipped with circuit breaking mechanism, the circuit breaking mechanism includes copper sheet, the bottom of copper sheet is fixedly connected with shape memory alloy spring, the bottom of shape memory alloy spring is fixedly connected with transmission rod, the outside sliding connection of transmission rod has lever, the top of lever is fixedly connected with reset component, the bottom of lever is fixedly connected with movable contact. In the utility model, shape memory alloy spring is deformed due to overload temperature rise, drives transmission rod, lever, makes movable contact and conductor separate, can quickly cut off overload circuit, protect cable, temperature restores and is automatically conducted by reset spring, improve the response speed of device to cable short-time overload temperature rise.

This invention provides a canned motor pump rotation detection device and its operating method, belonging to the field of canned motor pump condition monitoring and fault diagnosis technology. The device includes a main control unit, a signal processing unit, a dual-mode output interface, and a power management unit. Phase difference pulse signals are collected by orthogonally arranged eddy current sensors. After amplification and shaping by the signal processing unit, the main control unit determines the pump rotor shaft rotation direction using a digital phase detection algorithm. The device features an LED display and a data communication output interface unit, supports RS-485 communication and wide voltage power supply, and has reverse connection protection. This invention achieves non-contact rotation detection through the cooperation of orthogonal eddy current sensor modules and an iron encoder disk triggering mechanism. The device has a compact structure, rapid response, and is unaffected by shaft deflection and torsional deformation, making it suitable for real-time monitoring and fault diagnosis in various industrial environments.

This invention discloses a vacuum distillation apparatus and method for isophthaloyl / terephthaloyl chloride, belonging to the field of chemical separation technology. The distillation apparatus and process provided by this invention prevent terephthaloyl chloride from entering the vacuum system, thus protecting the vacuum system: due to the stepped cooling of the first-stage and second-stage cup coolers, the terephthaloyl chloride is fully condensed and recovered before entering the vacuum system. The Roots pump and ejector pump in the vacuum system only handle non-condensable gases, avoiding rotor jamming caused by material condensation and accumulation.