10results about How to "Sensitive to temperature" patented technology

The invention discloses a lithium ion battery pack internal short circuit fault detection and positioning method and device and a medium, and the method comprises the steps: designing a battery monomer voltage abnormity index based on the correlation analysis of the local resultant force of a lithium ion battery pack monomer voltage signal; battery pack temperature feature extraction based on kernel principal component analysis is carried out to obtain a single battery temperature square prediction error; and constructing a multi-scale fault detection statistic based on the voltage anomaly index and the temperature square prediction error to realize fault detection, and constructing a fault contribution degree function based on the temperature square prediction error to realize fault positioning. According to the method, the voltage anomaly index of the single battery is designed, the square prediction error of the temperature of the single battery is obtained through extraction, finally, the multi-scale fault detection statistics and the fault contribution degree function are constructed to achieve fault detection and positioning, and the method is a pure data driving method and is low in equipment cost, easy to operate and high in reliability. And the temperature and voltage signal changes of the battery monomers in the early stage of internal short circuit are sensitive.

The present invention relates to the technical field of intelligent hydrogels, and discloses a method for preparing a temperature-sensitive single-layer hydrogel with controllable transparency, comprising the following steps: (1) dissolving acrylamide, acrylic acid, and cyclodextrin monomers in water, adding acryloyloxyethyl trimethyl ammonium chloride, fatty alcohol polyoxyethylene ether-9, and a crosslinking agent and mixing them thoroughly; then adding an initiator and a catalyst to obtain a hydrogel prepolymer; (2) injecting the hydrogel prepolymer in step (1) into a mold to react and obtain a single-layer hydrogel. The single-layer hydrogel has excellent mechanical properties and a rapid transparency change capability. The present invention also uses the single-layer hydrogel for double-layer assembly through the host-guest interaction between cyclodextrin and isopropyl, and prepares a double-layer hydrogel with high double-layer bonding strength and capable of realizing rapid and reversible anisotropic deformation. The single-layer hydrogel and the double-layer hydrogel have broad application prospects in the fields of intelligent actuators, soft robots, biomedical devices, or artificial muscles.

The present invention relates to the field of coating technology, and in particular to an acrylic resin and a preparation method and application thereof. The acrylic resin of the present invention is obtained by copolymerizing an acrylic ester monomer containing fluoranes with an acrylic ester monomer containing a phenolic structure, so that the acrylic resin has a temperature-sensitive effect and can change color at a specific temperature, and can be applied to the coating field that requires color change.

The utility model relates to the technical field of bus processing, in particular to a blasting bus processing wire drawing device which comprises a bus processing table, a first shaft seat fixedly mounted on the left side of the bus processing table, a finished wire cylinder rotatably mounted on the inner side of the first shaft seat, a mounting block arranged on the side edge of the finished wire cylinder, and a heating cylinder fixedly mounted on the mounting block. An infrared thermometer is installed on the side edge of the heating cylinder, a screw joint table is arranged on the side edge of the heating cylinder, and a wire drawing machining head is installed on the screw joint table in a screw joint mode. According to the utility model, the infrared thermometer is arranged, so that finished copper wires heated from the side edge of the heating cylinder can be monitored in real time, the power of the electric heating wire in the heating cylinder can be regulated and controlled in real time through temperature monitoring, the heating temperature of the finished copper wires is ensured to be proper, and the production quality of subsequent buses is ensured; and the buses processed by the wire drawing processing head are uniformly wound on the winding drum layer by layer, so that the processed buses are wound more regularly, and the practicability is enhanced.

The invention discloses a controlled release type chitosan-based coating liquid as well as a preparation method and application thereof. According to the preparation method, trans-2-hexenal and a chitosan-stearic acid nano-cluster embedded with trans-2-hexenal are adopted as core materials, dimyristoyl phosphatidylcholine and cholesterol are adopted as wall materials, and the temperature-sensitive liposome is prepared; then taking chitosan as a matrix, and mixing the chitosan with the temperature-sensitive lipidosome to prepare a temperature-sensitive lipidosome / chitosan composite coating liquid; finally, the composite coating liquid is combined with cold shock treatment, and the novel normal-temperature preservation method for the postharvest vegetable soybeans is obtained. When the temperature-sensitive liposome / chitosan composite coating liquid is applied to normal-temperature storage and fresh-keeping of harvested vegetable soybeans, the antibacterial and antioxidant effects are achieved, and trans-2-hexenal has the characteristics of temperature response and on-demand regulation and release.

The present invention discloses an iron-based thin film material for oil-water separation, a preparation method and application thereof. The preparation method comprises the following steps: cleaning the iron-based porous foam and then vacuum drying; dissolving a silane coupling agent with double bonds in an ethanol-water mixed solution and hydrolyzing to obtain a first mixed solution, soaking the iron-based porous foam in the first mixed solution for a certain period of time and then taking it out and drying it to obtain an iron-based porous foam treated with a silane coupling agent; dissolving a temperature-sensitive monomer and an initiator in an organic solvent and stirring evenly to obtain a second mixed solution; immersing the iron-based porous foam treated with a silane coupling agent in the second mixed solution, and obtaining an iron-based thin film material for oil-water separation through a free radical polymerization reaction. The iron-based thin film for oil-water separation provided by the present invention has the characteristics of temperature sensitivity, magnetic responsiveness, environmental friendliness, simple preparation, low cost and fast separation speed.

The invention provides a composite particle as well as a preparation method and application thereof. The composite particle comprises a porous inorganic oxide particle and an antioxidant located in the porous inorganic oxide particle, and the surface of the inorganic oxide particle is coated with a polymer shell; the material of the polymer shell is a product obtained by click polymerization of silane molecules with sulfydryl, a thermal response vinyl monomer and a non-thermal response vinyl monomer, and the silane molecules with sulfydryl are connected with the surfaces of the inorganic oxide particles through chemical bonds; when the composite particles are heated, the polymer shell clusters to expose the pores. When the composite particles are applied to a QD-LED packaging body, the oxidation resistance, the service life and the optical performance of a device are remarkably improved.

This invention provides a temperature-sensitive high-temperature resistant suspension stabilizer for oil-based drilling and completion fluids and its preparation method. The preparation method includes the following steps: a) mixing dimer acid monomers and acid anhydride monomers, stirring at 80-90°C until fully mixed, and then purging with nitrogen to remove oxygen, obtaining a first mixture; b) adding a dimer fatty amine monomer to the first mixture obtained in step a, stirring evenly, obtaining a second mixture; c) slowly adding polyethylene polyamine to the second mixture obtained in step b, then heating to 130-180°C, stirring and reacting, removing water from the product solution after the reaction, obtaining the product; d) cooling the product obtained in step c to room temperature, thus obtaining the temperature-sensitive high-temperature resistant suspension stabilizer. The beneficial effects of this invention are: the prepared temperature-sensitive high-temperature resistant suspension stabilizer for oil-based drilling and completion fluids has excellent high-temperature resistance and can effectively enhance the suspension stability of oil-based drilling and completion fluids under high-temperature conditions.

The utility model relates to the technical field of fusion heads, in particular to a fusion head of a fusion machine, which comprises a base, a main body fixedly mounted on the surface of the upper end of the base, a top cover fixedly connected to the surface of the upper end of the main body, a groove formed in the surface of the upper end of the top cover, and a blowing block fixedly mounted on the outer side wall of the main body close to the upper end. Two air pipes are fixedly connected to the bottom surface of the air blowing block, an internal fixing seat is fixedly connected to the position, located on the upper end surface of the base, in the main body, a mounting groove is formed in the upper end surface of the internal fixing seat, an internal magnetic core is inserted into the mounting groove, the upper end of the internal magnetic core is fixedly connected with the top cover, and the internal magnetic core is made of an amorphous nanocrystalline special material. The temperature sensor is standardized in structure, accurate in internal magnetic core position, sensitive in temperature response, low in development cost and high in cost performance, has a blowing cooling function, is fast in cooling, and prolongs the service life, and the temperature sensing line is in the dead center area.

The invention discloses an atomization device and an electronic cigarette, the atomization device comprises a shell, an oil storage cavity is formed in the shell, the oil storage cavity is used for storing an atomization matrix, and a mist outlet pipeline is arranged in the oil storage cavity; the atomization assembly is arranged in the oil storage cavity and communicates with the mist outlet pipeline, the atomization assembly comprises a supporting piece, an oil guide piece and a heating piece which are sequentially arranged in a sleeving mode from outside to inside, a liquid inlet hole is formed in the supporting piece, and the atomization matrix enters the supporting piece through the liquid inlet hole and makes contact with the oil guide piece and the heating piece; the sealing piece is arranged on the supporting piece, and the sealing piece can deform according to the temperature so as to open or close the liquid inlet hole; the heat preservation cover is fixed to the supporting piece and covers the periphery of the sealing piece. According to the application, more accurate and sensitive liquid inlet control of the atomization assembly can be realized through related arrangement of the heat preservation cover.