122results about How to "Fast temperature response" patented technology

The invention provides a simple and effective thermal management system of a water-cooling proton exchange membrane fuel cell and a control method of the thermal management system. The thermal management system mainly comprises an electric pile, a water tank provided with a heating device, a cooling water circulating pump, a radiator, a cooling water pile inlet temperature sensor, a cooling water pile outlet temperature sensor, a cooling water pile inlet pressure sensor and a controller of the thermal management system. The control method following pressure change is provided to overcome the defects of lag, great overshooting, system coupling and the like caused by temperature change tracking in the traditional control strategy. The radiator is mainly used for controlling the cooling water inlet temperature of the pile and mainly controls the rotating speed of a radiator fan according to the cooling water inlet temperature of the pile of the fuel cell; and the cooling water circulating pump is mainly used for controlling the cooling water flow in the whole thermal management system and mainly controls the rotating speed of the circulating pump according to the cooling water inlet pressure of the pile of the fuel cell.

A method and apparatus (5) for simulating and analyzing industrial thermal processes, including industrial heat-treatment, processes, melting, solidification, quenching and the like, used in the manufacture of metals, alloys and metal matrix composite components. The apparatus (5) includes an optional environmental chamber (10) used for situations where testing room conditions are too hot or too cold and would thus interfere with operation of the apparatus (5) without such chamber (10). The apparatus (5) includes a multifunctional excitation coil (40) that serves the function of the omitted environmental chamber (10). The apparatus (5) also includes one or more high frequency resonant inverters (15) and a cooling means (20). The apparatus (5) integrates melting and thermal processing capabilities with a thermal analyzer and a control system. The apparatus (5) allows for the rapid design and optimization of industrial thermal processes used in the manufacture of metallurgical engineering material with superior structural and metallurgical chactacterics, suitable for advanced component service performance.

The invention discloses a fossil power plant coordination control method based on multi-parameter prediction. Aiming at the characteristics that a boiler controlled object is lagged, slow in response process and the like, feedwater flow, coal supply quantity and steam turbine valve opening are estimated reasonably, deviation of main steam pressure and separator outlet temperature is predicted, and a main steam pressure control loop and a separator outlet temperature control loop are respectively formed, and are coordinated with a load control loop so as to form a fossil power plant coordination control system. Control quality of the fossil power plant coordination control system is effectively improved, main steam pressure fluctuation during load change is suppressed effectively while the load change is responded fast, deviation between main steam pressure and a setting value is reduced, the separator outlet temperature fluctuation is suppressed, and the situation that the separator outlet temperature is over high is reduced. Besides, the stability of a boiler control system and the operation efficiency of a unit are improved.

The invention relates to a dual-hydrophilic thermo-sensitive polymer/lactic acid polymer composite nanofiber felt and a preparation method thereof. The nanofiber felt comprises the following components: dual-hydrophilic thermo-sensitive polymer and lactic acid polymer with the mass ratio of 10:1. The preparation method comprises the following steps: (1) carrying out free radical polymerization reaction on glucaric acid divinyl ester and N-isopropyl acrylamide to obtain the dual-hydrophilic thermo-sensitive polymer; (2) dissolving the high polymer in a solvent, stirring for 1-4 hours, and carrying out ultrasonic degassing to obtain a spinning solution A; (3) dissolving the lactic acid polymer in the solvent, stirring for 1-8 hours, carrying out ultrasonic degassing to obtain a spinning solution B; and (4) mixing the spinning solution A with the spinning solution B, and carrying out electrostatic spinning to obtain the dual-hydrophilic thermo-sensitive polymer/lactic acid polymer composite nanofiber felt. According to the invention, the method is continuously feasible, the operation is simple and easy, industrialization is easy to realize, and the obtained nanofiber felt can be used for carrying medicines and control the release of the medicine; and the nanofiber felt can also be implanted into a release system and can be used in the fields of tissue engineering scaffold and the like.

The invention provides heating ceramic slurry, comprising a composite functional phase, an inorganic additive and an organic support. The composite functional phase includes a main functional phase and a TCR (temperature coefficient of resistance) adjusting phase. The main functional phase includes, but not limited to, one of or mixture of any of tungsten powder, molybdenum powder, manganese powder, silver powder, copper powder, nickel power, cobalt powder, titanium powder, chromium powder, and zinc powder; the TCR adjusting phase includes, but not limited to, one of or mixture of any of platinum powder, ruthenium powder, palladium powder, rhodium powder, osmium powder, iridium powder, germanium powder, and lanthanum powder or their oxides; the TCR adjusting phase accounts for 0.1-10% by weight of the main functional phase so that TCR of the heating ceramic slurry is kept to 1500 ppm/DEG C to 4000 ppm/DEG C. The heating ceramic slurry has low temperature coefficient of resistance and has delayed heating.

A system controls a multi-zone vapor compression system (MZ-VCS). The system includes a controller to control a vapor compression cycle of the MZ-VCS using a set of control inputs determined by optimizing a cost function including a set of control parameters. The optimizing is subject to constraints, and wherein the cost function is optimized over a prediction horizon. The system also includes a memory to store an optimization function parameterized by a configuration of the MZ-VCS defining active or inactive modes of each heat exchanger, the optimization function modifies, according to a current configuration, values of the control parameters of the cost function determined for a full configuration that includes all heat exchangers in the active mode. The system also includes a processor to determine the current configuration of the MZ-VCS and to update the cost function by submitting the current configuration to the optimization function.

The invention discloses a preparation method of a strawberry-like thermochromic energy storage material, comprising the steps of (1) mixing styrene, divinyl benzene, acrylic acid, glycidyl methacrylate, polyvinylpyrrolidone and paraffin, adding an emulsifier and an initiator, cooling, and centrifuging to obtain pure phase-change microspheres; (2) mixing a leuco body dye, an electronic acceptor compound and a solvent to form a mixture, heating the mixture, mixing well to obtain a solution, adding deionized water, tetraethyl orthosilicate, a silane coupling agent and an emulsifier, adding ammonia water under ultrasound to allow reacting, centrifuging, drying at low temperature to obtain thermochromic silicon capsule particles; (3) mixing the phase-change microspheres and the thermochromic silicon capsule particles to obtain a mixture, adding an emulsifier and a catalyst to allow reacting, centrifuging, and drying to obtain the strawberry-like thermochromic energy storage material. The strawberry-like thermochromic energy storage material has the advantages of high enthalpy, high thermosensitive response speed, irreversible color variation, cyclic repetitive color variation, good property stability and the like, can act as a novel intelligent material, and has a good application prospect in the fields, such as building, energy conservation, environmental protection, apparel, and medical services.

The invention relates to a device used to solidify and thermally compose politef film, wherein it uses contact solidification method; it has heating roller to heat via internal several electric heating tubes; the surface temperature of roller can be adjusted until 450Deg. C; the politef film or polyurethane- politef can be drawn together to compose the politef above the heating roller. The invention can solidify film uniformly, with low energy consumption. And it arranges one high-temperature resistant rubber roller above the roller; when roller rotates, it will rotate the high-temperature resistant rubber roller, to thermally compose the politef film and support material at certain temperature and pressure. The invention can avoid the aging problem of adhesive to reduce the cost.

The invention belongs to a quick-heat-conduction multi-point armoured thermocouple (thermal resistor), which consists of a junction box, a protective casing and temperature measurement elements. The protective casing consists of an upper protective casing and a lower protective casing; the upper end of the upper protective casing is fixedly arranged on the junction box coaxially; the temperature measurement elements are fixedly arranged on the junction box coaxially and are arranged in the protective casing; the temperature measurement element in the lower protective casing is positioned and arranged on a conductive sliding block; and the conductive sliding block slides radially and is arranged on an inner wall of the lower protective casing. The thermocouple (thermal resistor) has quick response to the temperature measurement, relatively high accuracy and safety of the temperature measurement, relatively low maintenance and repair cost and convenient construction, and is quick-heat-conduction multi-point armoured thermocouple (thermal resistor) with relatively strong innovation.

The invention discloses a super-stretchable graphene electro-thermal film and a preparation method thereof. The electro-thermal film is formed through knitting graphene fibers with a spiral structure; the fibers not only have ultrahigh elongation at break, and can realize rapid response on a high temperature of 30-420 DEG C under safety voltage of 0.5-5V. The preparation method is simple and specifically comprises the following steps: after chemically reducing graphene oxide, carrying out heat treatment in a high-temperature furnace at 500-3000 DEG C to obtain a graphene film; after uniformly winding, obtaining graphene fibers; and knitting the graphene fibers to obtain the graphene electro-thermal film. The graphene electro-thermal film has ultrahigh heating speed and cooling speed, and ultrahigh temperature response; the working voltage is relatively low so that the graphene electro-thermal film can be used for human bodies and is used as human body heating cloth; and the graphene electro-thermal film has a stretchable property so that the graphene electro-thermal film can be adaptive to the movement of the human bodies, such as muscle stretching, in a utilization process, and furthermore, the graphene electro-thermal film can be widely applied as an intelligent electro-thermal material.

Disclosed are a flexible liquid crystal thin film material having the transmittance varying with the temperature and a film preparation method. Nematic liquid crystal, a chiral compound, biphenyl cyanogen liquid crystal, a liquid crystal polymerizable monomer, an acrylate monomer, glass beads, and an initiator are mixed according to a certain ratio and are uniformly stirred at 20-50 DEG C, the obtained mixture is poured into the middle part between two layers of polyester films coated with ITO conducting layers, the obtained film is subjected to rubber roll extrusion, and the obtained liquid crystal film is subjected to ultraviolet light polymerization in a power-on state so as to obtain a flexible liquid crystal thin film having the transmittance varying with the temperature. The prepared flexible liquid crystal thin film is transparent at a low temperature, the transmittance of the film increases as the temperature rises, and when the temperature reaches a certain value, the thin films converts to a transmittance state from the transparent state. The thin film has the characteristics of high response speed, high contrast and high infrared light and ultraviolet light resisting rate, can be applied to the fields of buildings and automobiles, and is an excellent energy-saving material. The film preparation method plays a significant part in promotion of development process of a thin-film material.

The invention discloses a solid engine adhesion interface loaded state monitoring device, which comprises stress-temperature sensors arranged on the inner wall of a solid engine, a stress transmitter which is arranged outside the solid engine and connected with the stress-temperature sensor by means of lead wires, and a data acquisition device and an excitation power supply which are connected with the stress transmitter. Different from the prior art, the solid engine adhesion interface loaded state monitoring device is characterized that the number of the stress-temperature sensors is nine, the stress-temperature sensors are of a plane membrane cylindrical structure, the diameter of each sensor is less than or equal to phi 15 mm, the thickness thereof is less than or equal to 3 mm, the lead wires are insulated flat connecting lines with a width of 3 mm and a thickness of about 0.1 mm; and the solid engine adhesion interface loaded state monitoring device is embedded in a thermal insulation layer/lining interface of a solid rocket engine. Compared with the prior art, the solid engine adhesion interface loaded state monitoring device is easy to install, does not affect a powder charge stress field, has high precision and stability, and can monitor the required data information comprehensively, has low influence on strength property, storage property and operating property of an engine adhesion interface after being embedded, and does not cause destructive impact on the structure of the engine.

The method for assisting lysozyme renaturation with temperature-sensitive poly N-isopropyl acrylamide gel includes the following steps: 1) compounding poly N-isopropyl acrylamide gel aqua; 2) preparing poly N-isopropyl acrylamide gel in reverse suspension process; and 3) assisting lysozyme renaturation with temperature-sensitive poly N-isopropyl acrylamide gel. The temperature-sensitive poly N-isopropyl acrylamide gel the present invention develops as one novel additive for extracorporeal renaturation of protein can raise the lysozyme activity recovering rate. The gel has high efficiency, less renaturation affecting parameters, convenient operation, relax requirement in instrument and apparatus, easy separation and recovery and other advantages. The present invention has excellent application foreground in extracorporeal renaturation of protein.

The invention discloses a temperature-sensitive combination electrode. The temperature-sensitive combination electrode comprises an electrode active material, a temperature sensitive material and an adhesive, wherein the temperature sensitive material has dual effects of an electrode conducting agent and a temperature sensitive characteristic. At a normal operating temperature, the prepared temperature-sensitive electrode has high electrical conductivity, and electrochemical performance of the temperature-sensitive electrode is basically consistent with that of a conventional electrode; at a high temperature exceeding 100 DEG C, resistance and electrical conductivity of the temperature-sensitive combination electrode suddenly rise by more than three order of magnitudes, so that electrochemical capacity is suddenly decreased, and the thermal shutdown characteristic occurs; therefore, thermal runaway is inhibited, and the safety of a battery under misuse conditions such as overcharge, overheating and mechanical short circuit is improved. In addition, the temperature-sensitive combination electrode disclosed by the invention has the characteristics of being simple in preparation process, completely compatible with the conventional pole piece and battery manufacturing process, and the like.

The invention relates to the field of medical equipment, discloses an adhesive body temperature measurement device and aims to provide a temperature measurement device capable of quickly responding to temperature changes. The technical scheme includes that the adhesive body temperature measurement device comprises a heat transferring metal sheet, a temperature sensor, an annular flexible pad, an adhesive surface protecting film and a substrate. One surface of the annular flexible pad is coated with an adhesive, the temperature sensor is fixed to the heat transferring metal sheet and positioned at a through hole in the center of the annular flexible pad, and the heat transferring metal sheet covers one surface of the annular flexible pad. The adhesive covers one surface, on the same side of the heat transferring metal sheet, of the annular flexible pad. The substrate covers the other surface, on the same side of the temperature sensor, of the annular flexible pad and is fixed to the same. The annular flexible pad is provided with a wiring groove, one end of the wiring groove is open towards the outside, and a lead of the temperature sensor is positioned in the wiring groove and led outside from the wiring groove.

Temperature-responsive amphipathic glycopeptides and temperature-responsive micelles are provided by utilizing oligopeptide. A synthesized glycopeptide that does not occur naturally and is represented by the following chemical formula (1), and a temperature-responsive micelle composed of the glycopeptide are provided.

(where x is any amino acid residue, L₁ and L₂ are linkers, SUGs are sugar chains, m is 0 or 1 and n is an integer from 1 to 10, and L₁ and L₂ may be identical with or different from each other and SUGs may be identical with or different from each other.)

The invention provides a device and method for measuring the hearth temperature of a coal gasification furnace with a double-layer furnace body. In the device provided by the invention, a sensor fixing piece is installed on an inner furnace wall; the ends of a temperature measuring sensor are fixed on the sensor fixing piece after being arranged in an inner hearth; an outer furnace wall flange hole is formed on an outer furnace wall; a flange is connected with the outer furnace wall flange hole; an electric connector is assembled on the flange; after a sensor compensating line which is connected to the tail end of the temperature measuring sensor passes through the outer furnace wall, the positive and negative ends of the sensor compensating line are respectively connected with two plugs; the two plugs are fixed on the electric connector and connected with conducting lines in the electric connector; the temperature change in the inner hearth is converted into electric signals capable of being measured through the temperature measuring sensor and input into the electric connector through the sensor compensating line; and the signals are transmitted to a temperature measuring circuit outside the furnace body through an outgoing line of the electric connector to be measured. The device and method provided by the invention have the advantages of high response speed, high accuracy and long service life, guarantees the reliability and guarantees the stability and accuracy of signal transmission.

The invention belongs to the technical field of temperature measurement, and relates to an oxygen barrier material in a tungsten-rhenium thermocouple anti-oxidation coating structure, and applicationof the oxygen barrier material. The oxygen barrier material is of a multilayer structure with a total thickness of 50-200 mu m. The oxygen barrier material in the multilayer structure has compositional gradients and concentration gradients, ie, thermal expansion coefficients of materials in layers of the oxygen barrier material are gradually increased in a direction away from a tungsten-rhenium thermocouple base body, and oxygen erosion resistance of the materials in layers of the oxygen barrier material is gradually increased in a direction away from the tungsten-rhenium thermocouple base body through adjusting types or proportions of the materials in each layer, thereby increasing the adhesive force of a high-temperature anti-oxidation coating of a tungsten-rhenium thermocouple, and reducing stress of the high-temperature anti-oxidation coating of the tungsten-rhenium thermocouple.

The invention discloses a thermal-stimulated fluorescence/visible light color double-response capsule and a synthesis method thereof, and belongs to the technical field of chemical synthesis. Through specific molecular structure design, 4-dimethylamino salicylaldehyde and dimethyl malonate are subjected to grafting reaction to prepare chromophoric molecules with a plurality of unsaturated functional groups, the chromophoric molecules are mixed with a phase change material to realize optical double-response reversible output of solvent phase state regulation, and compared with a conventional three-component organic thermal response material, the product only needs two components, namely chromophoric body molecules and a phase change solvent, so that the preparation process is simplified, and the performance stability is high. After microcapsule coating, the material is free from influence of adverse environment, and the performance is stably maintained, so that long-term stable use is realized.

The invention discloses a transformer temperature controller based on optical fiber temperature measurement. The transformer temperature controller is characterized in that: an optical fiber from an optical fiber temperature measurement host to an optical fiber temperature measurement probe is sequentially sleeved with a metal hose, a guiding long pipe and an optical fiber protective cover, wherein the metal hose is connected with the guiding long pipe through a fixing piece and a joint thread; a mounting screw is sleeved on the guiding long pipe, a mounting nut is connected with an external thread of the mounting screw, the lower end of the mounting nut is provided with an external thread used for being connected with a temperature measuring blind pipe of the transformer, the upper end ofthe mounting nut is provided with a circle of boss, and a sealing gasket is fixed below the boss; the lower end of the optical fiber protective cover is connected with a thermal simulation shell in an internally threaded manner, an inner core fixed by a clamp spring is arranged in the thermal simulation shell, the bottom of the thermal simulation shell is provided with a cover bottom, the centerof the inner core is provided with a temperature measuring hole with the built-in optical fiber temperature measurement probe, a heating coil is wound outside the inner core, and the heating coil is connected with a current transformer through a wire arranged in the metal hose, the guiding long pipe and the optical fiber protective cover.

The present invention relates to a high-pressure sourcing device used for simpler test. The technical proposal is that: the high-pressure sourcing device is characterized in that the present invention comprises a lens type high-pressure sourcing component. The component main body is provided with a through hole matching with a testing pipeline. The main body is further provided with a testing opening. The testing opening is communicated with the through hole.

This disclosure relates generally to micellar emulsions. This disclosure relates more particularly to micellar emulsions useful as thermal management fluids, methods for preparing such emulsions, and methods of using such emulsions.

The invention discloses an intraperitoneal hyperthermic perfusion chemotherapy instrument in operation, belonging to the technical field of medical instruments. The intraperitoneal hyperthermic perfusion chemotherapy instrument in operation comprises a heating device, a control device, a man-machine interaction device, a chemotherapy liquid collection bag, two adjustable speed peristaltic pumps, two T-junction dividers and a plurality of sensors, wherein the heating device comprises a heating plate and a heating bag, the heating plate and the heating bag are tightly stuck, the heating plate is connected with the control device to transfer heating temperature control information, and the inlet and the outlet of the heating bag are respectively provided with a temperature sensor. The invention has simple structure and convenient operation; the heating plate is utilized to carry out heat exchange so as to evenly heat, and the chemotherapy liquid is only sealed and circulated in the pipeline, which is clean and reliable; and the chemotherapy liquid collection bag can effectively collect and manage the chemotherapy liquid, and a DSP processor has precise temperature control and obvious curative effect.

The invention discloses a thermochromic material to fluorescence or visible light and a preparation method and application thereof. The material refers to the thermochromic material to fluorescence orvisible light, which is prepared by the steps of forming modified rhodamine B compound from rhodamine B and an alkyl amine compound under the effect of a coupling reagent and an activator, and combining the modified rhodamine B compound with an electron acceptor compound and an enhancement agent. The thermochromic material has both thermochromic functions to fluorescence and visible light, and also has the advantages such as fast response to temperature, reversible color changing, cyclic repeat changing color and stable performance. The thermochromic material can be used as new intelligent material having vast application prospect in the field of security, encryption, clothing and medicine.