17results about How to "Avoid fuses" patented technology

This invention discloses a hydrocolloid material containing guaiac, its preparation method, and its application, belonging to the field of medical care materials technology. It includes a backing layer and a hydrocolloid functional layer. The hydrophobic elastomer matrix comprises polyisobutylene, styrene-isoprene-styrene block copolymer, tackifying resin, liquid paraffin, and optionally caprylic / capric triglycerides. The pre-wetted hydrophilic absorbent powder comprises sodium carboxymethyl cellulose, pectin, gelatin, calcium alginate, sodium alginate, and caprylic / capric triglycerides. The composite plant repair oil comprises a phellodendron amurense lipid dispersion, Lithospermum erythrorhizon-Angelica dahurica extract, borage oil, sandalwood seed oil, borneol, and DL-α-tocopherol. The guaiac nanoliposome lyophilized powder is obtained by sequentially coating a guaiac nanoliposome aqueous dispersion with quaternized chitosan and sodium hyaluronate, then adding a lyophilization protectant and freeze-drying. This invention solves the problems of poor dispersion stability, easy degradation, insufficient soothing and repairing ability of guaiac, and instability in oil-water blends.

This invention provides a polypeptide with the sequence AEDVGDVAFVKNDT. The polypeptide provided by this invention can inhibit human respiratory syncytial virus (RSV) surface protein F, thereby inhibiting its fusion with the host cell membrane. This invention also provides sheep colostrum. The sheep colostrum includes the aforementioned polypeptide with antiviral function; therefore, this sheep colostrum helps elderly people with weakened immune systems resist RSV infection and promotes the repair of respiratory mucosa. This invention also provides a method for preparing sheep colostrum. This preparation method is simple and can be industrially produced. This invention also provides a method for preparing the aforementioned polypeptide.

This disclosure relates to a protection method, apparatus, device, vehicle, and related products for shutdown path detection. The method includes: acquiring the status information of the vehicle's electric drive module; and, if the status information of the electric drive module indicates a short circuit, executing a shutdown path detection protection strategy. Embodiments of this disclosure can avoid thermal safety risks and fuse blowouts caused by direct connection between the upper and lower bridge arms of the electric drive module during shutdown path detection in the event of a short circuit failure in the power module, thereby reducing vehicle damage.

The invention discloses an alkaline earth metal stable oxygen-like superatomic cluster material and a preparation method thereof.The material is prepared from aluminum powder, alkaline earth metal hydride and anhydrous metal halide serving as a structure-directing agent, and the preparation method comprises the steps that firstly, under the inert atmosphere, the raw materials are subjected to high-energy ball milling to prepare a composite precursor; then temperature programming heat treatment is carried out, hydrogen generated by hydride in-situ decomposition is used for reducing an interface and inducing lattice defects, and meanwhile, interface migration and chemical adsorption effects of halide ions are used for pinning newly generated cluster units; and finally, carrying out non-equilibrium densification through spark plasma sintering. According to the method, the defect that a thermodynamically stable alloy phase is easily formed in a traditional smelting method is overcome, the oxygen-like cluster structure with the 38 electron open shell layer characteristic is successfully stabilized in a macroscopic solid state through a synergistic mechanism of gas phase pore forming and interface pinning, and the material is endowed with excellent catalytic activity and semimetal conduction characteristic.

A battery management device and a manufacturing method thereof can suppress unintended fuse blowout with a simpler structure. The battery management device includes a battery cell, a substrate having a wiring, a fuse connected to the wiring, a resistor generating heat in the vicinity of the fuse, a field effect transistor opening and closing a current path of the resistor, a protection IC controlling an operation of the field effect transistor, a first extension portion extending from the wiring between the protection IC and a gate of the field effect transistor, and a second extension portion extending from the wiring connected to a source of the field effect transistor, an end portion of the first extension portion and an end portion of the second extension portion having exposed portions where a protective film of the substrate is not formed, and the end portion of the first extension portion and the end portion of the second extension portion are not connected.

This invention provides a hot-press forming method for optical glass elements that prevents glass preforms from sticking to molds. The method includes the following steps: depositing a boron nitride film layer on the surface of a glass preform, and then hot-pressing to form an optical glass element. The thickness of the boron nitride film layer on the surface of the glass preform is less than or equal to 15 nm. The surface of the hot-pressed optical glass element is coated with at least one atomic layer of boron nitride film, or at least 0.65 nm thick boron nitride film. This invention solves the glass adhesion problem by depositing a boron nitride film layer on the surface of the glass preform, preventing fusion, cracking, and other defects. Using PVD or CVD boron nitride film layers prevents active hydrogen from hydrogen-containing DLCs from entering the glass preform during film formation, preventing fogging, blurring, and damage to the film surface of the optical glass element. It also reduces the difficulty of mold separation during the molding process and improves production automation and molding stability.

The invention relates to a hot-rolled wire rod for a 2430 MPa grade stranded wire and a manufacturing method of the hot-rolled wire rod, after Al-Si-V chemical components are rolled and spun into a wire rod, the wire rod is subjected to online molten salt rapid quenching isothermal treatment, so that the wire rod is firstly subjected to front-section molten salt treatment and is rapidly cooled, and enters a sorbite phase region from an austenite state to form a structure taking a sorbite structure as a main structure; and then carrying out rear-section molten salt treatment, reducing the circulation volume of molten salt, promoting the unconverted retained austenite to be continuously converted into sorbite, carrying out isothermal tempering, promoting fusing of a part of sorbite lamellar layers, and finally carrying out slow cooling through a roller way, so as to prepare the hot-rolled wire rod of which the microscopic structure comprises a mixed structure consisting of tempered sorbite, tempered ferrite and fused sorbite, the material cost can be reduced, abnormal structures can be inhibited, the tensile strength is 1581-1630 MPa, the percentage reduction of area is 34%-39%, off-line heat treatment is not needed, and efficient and stable production of the ultra-high-strength stranded wire is promoted.

The present application relates to the field of artificial intelligence and digital medical technology, and provides a text classification method and device, electronic equipment and storage medium, based on pre-trained training of word level, the word vector representation of the extracted word can avoid the misplacement of word segmentation and lose the information of the word; In the fine-tuning stage, the word vector representation of the word is generated according to the word vector representation, based on the word vector representation, not only can effectively utilize the pre-training vector information, the word level vector is fused, also can effectively avoid the many problems caused by modifying pre-trained mode, and the word information of Chinese can be fused into the model, and the word segmentation of word level usually has a great effect in the scene of Chinese text classification, has a great influence on the final classification result of the model, improves the accuracy of semantic understanding of the text classification model, thereby improves the precision of the text classification model, and further improves the accuracy of text classification.

The application discloses a blended yarn conveying and winding equipment with a deburring function, a fixed base is arranged in a hollow frame structure, a winding drum is fixedly connected to one side of the top of the fixed base, a support frame is arranged in a back-shaped frame structure, the bottom of the support frame is fixedly connected to the top of the fixed base, a deburring device is fixedly connected to the side of the support frame, a tensioning device is rotatably connected to the inner wall side of the support frame below the deburring device, the deburring device comprises a straightening drum, a deburring rod is fixedly connected to the side of the straightening drum, a driving shaft of a first motor is fixedly connected to the side of the straightening drum, the fixed end of the first motor is fixedly connected to the side of the support frame, and the side of the straightening drum is rotatably connected to the side of the support frame.

The application relates to a preparation method of a lithium battery diaphragm and belongs to the technical field of lithium battery preparation. The method is as follows: epoxy resin, a diluent, a curing agent 1 and an oleophilic emulsifier are uniformly mixed to obtain dispersion liquid 1; an electrolyte solution is constantly dropped into the dispersion liquid 1, constant-temperature high-speed stirring is carried out, and a water-in-oil emulsion is obtained; under constant temperature, deionized water, a hydrophilic emulsifier and a curing agent 2 are uniformly mixed to obtain dispersion liquid 2; the water-in-oil emulsion is added into the dispersion liquid 2, high-speed emulsification is carried out, and a water-in-oil-in-water emulsion system is obtained; the water-in-oil-in-water emulsion system is subjected to temperature rising and curing; after curing, centrifugal separation, washing and drying are carried out, and a solid nanometer adhesive is obtained; the solid nanometer adhesive is ground, then is uniformly coated in a mold and is subjected to high-temperature treatment, and the lithium battery diaphragm is obtained. The electrolyte solution is selected as the inner water phase of the water-in-oil emulsion, the internal osmotic pressure of the emulsion can be increased, fusion between the emulsions can be prevented, and the particle size is increased.

The utility model discloses thermoplastic elastomer water cooling equipment, and belongs to the technical field of water cooling equipment.The thermoplastic elastomer water cooling equipment is characterized by comprising a water circulation mechanism, a filtering mechanism is arranged at the end of a water inlet of the water circulation mechanism, and a filtering element is arranged in the filtering mechanism and used for filtering inflow water; the water circulating mechanism comprises a plurality of circulating pipes arranged in parallel, water inlets and water outlets of all the circulating pipes are distributed in a bilateral symmetry mode, connecting plates are arranged at the water inlets and the water outlets of the circulating pipes, and through holes matched with the water inlets and the water outlets of all the circulating pipes in position are formed in the connecting plates. The device has the advantages that blockage of the circulating pipe caused by the fact that impurities in water are attached to the interior of the circulating pipe is reduced, and the effect of saving the maintenance cost is achieved.

The utility model provides a kind of winding mechanism and label printer of printable label, belong to label production technical field.It solves the problem that printable label cannot effectively separate from spool when the existing winding mechanism of printable label unwinds.The winding mechanism of the present application, including spool, the compacting structure for compacting the tail end of printable label is arranged on spool, the tail end of printable label enters the gap between compacting structure and spool in initial state, the tail end of printable label is compacted by compacting structure actively or under the action of printable label covered on compacting structure during winding, printable label drags spool to rotate reversely during unwinding, so that printable label is gradually released, and compacting structure can completely release the tail end of printable label when it is released to the tail end of printable label.By mechanical compacting, the risk of abnormal bonding caused by environmental factors is eliminated, and the tail end of label can be reliably separated during unwinding;Reduce equipment maintenance cost and consumable loss, improve printing efficiency.

The present disclosure relates to the technical field of batteries, and discloses a single battery and a battery pack; the single battery comprises a pole member, a battery cell and at least two groups of welding connection groups; the battery cell comprises a battery cell main body and a tab, and the tab is connected to the battery cell main body; each welding connection group comprises at least two welding connection structures, and the welding connection structures are connected between the pole member and the tab; the minimum distance between two adjacent welding connection groups is a, the minimum distance between the farthest two welding connection structures in the same welding connection group is d, and the value of a×d is greater than or equal to 4 mm 2 less than or equal to 68 mm 2 The single battery guarantees the overcurrent capacity between the welding connection structure and the tab, reduces the heat generation, and avoids thermal runaway due to serious heat generation during charging and discharging.

This invention discloses a deep learning-based ultrasound radio frequency data filtering imaging method. The method first proposes a novel ultrasound radio frequency data filtering algorithm for ultrasound simulation imaging—an echo signal selection algorithm based on scattering points. Then, it proposes a deep neural network to learn the target echo signal selection process based on scattering points for ultrasound radio frequency data. The trained deep neural network can effectively suppress interference signals in the radio frequency data, thereby improving ultrasound imaging quality. This data filtering deep neural network can be integrated into a time-delayed beamforming imaging framework to form a novel ultrasound imaging method, namely, a deep learning-based ultrasound radio frequency data filtering imaging method. Compared with time-delayed beamforming methods, this invention can improve the contrast and contrast-to-noise ratio of ultrasound images, exhibiting excellent imaging quality in real-world human imaging examples.

The utility model relates to the technical field of silicon production, in particular to a large-wheelbase low-voltage power supply synchronous ingot mould car which comprises an ingot mould car body and a control cabinet arranged on one side of the ingot mould car body. The cooling supporting structure is arranged on the upper side of the ingot mold vehicle body, the ingot mold set is placed on the upper side of the cooling supporting structure, the air cooling mechanisms are arranged on the two sides of the control cabinet correspondingly, and air outlet ports of the two air cooling mechanisms extend into the cooling supporting structure; the cooling supporting structure comprises a high-temperature-resistant supporting layer, a plurality of trapezoidal anti-cracking channels and three trapezoidal ventilating ducts, and the trapezoidal anti-cracking channels penetrate through the two sides of the high-temperature-resistant supporting layer and are arranged at intervals in the length direction of the ingot mould vehicle body; the ingot mould car reduces the temperature of the ingot mould and prevents thermal deformation of the car body; and meanwhile, thermal stress is dredged, silicon water leakage caused by gap expansion between ingot molds is avoided, high-temperature potential safety hazards of a traditional ingot mold vehicle are eliminated through the dual effects of cooling and stress control, and the reliability and safety of equipment are improved.

The invention relates to the technical field of medical equipment control, in particular to a power supply circuit of a cold-state light source and electronic equipment. The input end of an output management module is connected with a power supply module, and the output end of the output management module is connected with an output interface for accessing an external load; the input end of the voltage reference module is connected with the power supply module. The first output end of the voltage reference module is connected with the reference input end of the current-limiting protection module. The sampling input end of the current-limiting protection module is connected with the output end of the output management module, and the output end of the current-limiting protection module is connected with the feedback end of the output management module; the second output end of the voltage reference module is connected with the reference input end of the boost control module; the sampling input end of the boost control module is connected with the output end of the output management module, and the output end of the boost control module is connected with the feedback end of the output management module. Intelligent management of the cold-state light source is realized, and the starting success rate, the operation stability and the safety of the light source system of the medical equipment are improved.

The present application belongs to the technical field of flame-retardant materials, and particularly relates to a prismatic aluminum hypophosphite compound, a preparation method and application thereof. The prismatic aluminum hypophosphite compound comprises aluminum hypophosphite, layered montmorillonite and nano-silicon dioxide, wherein the weight percentage of the layered montmorillonite is 0.043-0.087 wt% and the weight percentage of the nano-silicon dioxide is 0.0036-0.0181 wt% based on 100% of the weight of the aluminum hypophosphite; the D10 particle size of the prismatic aluminum hypophosphite compound is 1-3 microns, the D50 particle size is 5-8 microns, the D90 particle size is 10-15 microns, and the D97 particle size is less than 20 microns; and the prismatic aluminum hypophosphite compound has a single prismatic crystal structure or a regular structure in which multiple prismatic crystals are embedded with each other. The prismatic aluminum hypophosphite compound has a specific morphology and is particularly suitable for a polyurethane flame-retardant system.