79results about How to "Stable fever" patented technology

The invention relates to a self-temperature limiting heat tracing belt with a dual-layer resin conductor and a manufacturing method thereof. The self-temperature limiting heat tracing belt is characterized by comprising a metal conductive electrode, a resin conductor layer, a heating element and an insulation layer. A shielding layer or a sheath can also be arranged outside the insulation layer. In the invention, the formulas of the resin conductor layer and the heating element are improved, and through the implementation of the technical scheme of the invention, and the problems existing in the aspects that the power attenuation of the traditional heat tracing belt is serious, the starting current of the traditional heat tracing belt becomes big, the heat tracing belt is burnt out frequently, the performance is not stable and the like can be well solved. The invention greatly improves the performance of the heat tracing belt, has the advantages of small starting current and high heat tracing belt temperature and is suitable for the industrial application.

The invention discloses an upconvresion composite nano-material as well as a preparation method and application thereof. The nano-material is of a core-shell structure, and comprises synthetic Nd<3+>-doped 800nm laser excited nano-particles with a heating effect, an upconversion fluorescence nano-shell layer coating the outer layer, an isolating layer which can be added in the middle depending on the difference of outer layer materials, and a shell layer which is additionally arranged outside an illumination layer to intensify the illumination strength. The method for synthesizing the nano-particles is simple, easy to operate and strong in controllability, and particles with different diameters can be synthesized by controlling the usage of raw materials. The nano-particles synthesized by the method integrate the independent photothermal effect of the material and the upconversion illumination effect, and can be applied to preparation of tumor diagnosis preparations, temperature detection reagents and tumor treatment medicaments, and biological imaging.

The invention relates to a self-heating-type fragrant hot compress paste which effectively solves the problems that according to an existing self-heating disposable warm paste, due to the fact that raw materials are easily moved, the paste is not flat, the comfort level is affected, and clothes are polluted. A raw material layer is installed in a ventilation bag composited by a non-woven fabric layer and the non-adhesive face of a piece of pressure sensitive adhesive tape, the ventilation bag is vacuumized, a piece of release paper is stuck to the adhesive tape face of the pressure sensitive adhesive tape, and heating materials are composed of reduced iron powder, expanded vermiculite, wormwood powder, activated carbon, fragrant essential oil, industrial salt, water and ethyl alcohol. The reduced iron powder, the activated carbon, the wormwood powder and the expanded vermiculite are taken to be fully mixed in the sealed bag to obtain a mixture. The industrial salt is taken to be dissolved into the water, the ethyl alcohol and the essential oil are added, stirred and dissolved into the water with the industrial salt, and the water with the industrial salt, the ethyl alcohol and the essential oil is evenly mixed with the mixture in the self-sealing bag. The self-heating-type fragrant hot compress paste is safe, non-toxic, fragrant, pleasant, convenient to use, low in cost, stable in heating and durable in heat availability.

The invention provides an anionic flexible graphene electrothermal composite, an anionic flexible graphene electrothermal composite film as well as preparation methods and applications and relates tothe technical field of materials. The anionic flexible graphene electrothermal composite comprises graphene, anion powder, flexible resin and a dispersant and has the advantages of high flexibility, heating stability, use safety, high infrared heat conversion efficiency and the like. The preparation method of the anionic flexible graphene electrothermal composite is simple to operate and all raw materials can be matched with one another. The preparation method of the anionic flexible graphene electrothermal composite film is simple, easy to implement, prone to industrial mass production and suitable for promotion and application. The anionic flexible graphene electrothermal composite film has the advantages of high flexibility, heating stability, high conductivity, use safety, high infrared heat conversion efficiency, capability of releasing a larger numbers of anions and the like and has wide applicability.

Disclosed is a heat generating mechanism for hair dryer having a housing in which accommodating a fan, a motor, and a heat generating mechanism which employs a ceramic block as a heat generating element, and an electrically conducting reed and a heat shield ring are respectively attached to both front and rear ends of the ceramic block. The ceramic block is a beehive figured porous body having a central main axial passage in which a temperature sensor switch is axially inserted.

A fixing device is provided. In a fixing device, a heating member that heats a fixing belt includes a heat generating member that has a heat generating layer that generates heat due to being energized, and a heat radiating member. In the heat radiating member, a heat receiving piece of a first heat radiating section and a heat receiving piece of a second heat radiating section are combined with each other to form a heat receiving section, and a heat transfer piece of the first heat radiating section and a heat transfer piece of the second heat radiating section are combined with each other to form a heat transfer section. Heat pipes that are meandering capillary tube heat pipes are formed inside the first heat radiating section and the second heat radiating section.

The invention discloses a flexible far infrared heating aramid nano-fiber thin film and a preparation method. The flexible far infrared heating aramid nano-fiber thin film is prepared by uniformly dispersing carbon nanotubes with a nano-scale structure and excellent mechanical properties and electric properties and aramid nano-fibers with excellent mechanical properties, and the film forming performance of the aramid nano-fibers and the advantages that a strong network crosslinking structure is easily generated by abundant functional groups on the surfaces of the aramid nano-fibers are sufficiently expressed; the dispersion performance and film forming performance of the carbon nanotubes are cooperatively improved and an aramid nanocellulose based novel material with flexibility, conductivity and low-temperature far infrared heating performance is developed; the problems of a current flexible heating material that the surface is not uniformly heated, the temperature different is too great, the heating performance is not stable and the service life is relatively low are improved, and the product grade is improved; and the flexible far infrared heating aramid nano-fiber thin film canmeet the requirements of application to electric heating physiotherapy functional clothing, intelligent physiotherapy safety clothing, medical far infrared therapy chambers and the like.

The invention discloses a novel electronic cigarette, and aims to provide a novel electronic cigarette being stable in heating and long in service life. The novel electronic cigarette comprises a tube tobacco rod, a suction nozzle connected at one end of the tobacco rod, a smoke emitting device, a battery, a wind pressure switch and an LED lamp which are sequentially disposed in the tobacco rod from the end, close to the suction nozzle, of the tobacco rod, to the end, far away from the suction nozzle, of the tobacco rod, and a transparent or semitransparent ventilating cover which has vents and is disposed at the end of the tobacco rod. The joint of the tobacco rod and the suction nozzle is provided with a smoke mixing cavity. The suction nozzle comprises a tube body and a suction nozzle inner core fully filled in the tube. The smoke emitting device comprises a heat insulation sleeve sleeved in the tobacco rod, a PCT heater and a radiator, wherein the PCT heater and the radiator are disposed in the heat insulation sleeve and connected through thermal conduction. The radiator is arranged in the center of the heat insulation sleeve, and the PCT heater is arranged at two sides of the radiator or surrounds the periphery of the radiator. The wind pressure switch, the LED lamp, the battery and the PCT heater are electrically connected. The novel electronic cigarette is quick in heating, high in heat transformation rate and long in service life.

The invention relates to the field of hygienic products, and provides a uterus warming sanitary towel. The uterus warming sanitary towel comprises a surface layer, a uterus warming layer, an absorption layer and a leakage-proof bottom layer which are sequentially laminated from top to bottom, wherein the uterus warming layer comprises a sealing bag formed by hot pressing of two layers of polypropylene non-woven fabrics, and a heating composition and a plant extract microcapsule which are filled in the sealing bag, the plant extract microcapsule and the heating composition are separated by a PEbreathable film, the heating composition is pressed into a sheet shape and comprises the following raw materials in parts by weight: 60-80 parts of iron powder, 5-15 parts of activated carbon, 3-5 parts of potassium nitrate, 10-20 parts of water, 2-4 parts of vermiculite, 0.5-1.5 parts of sodium alginate, 1.5-3 parts of starch, 1-2 parts of polyvinylpyrrolidone and 0.4-0.8 part of sodium bicarbonate, and the plant extract microcapsule is prepared by taking a chitosan quaternary ammonium salt and sodium alginate as wall materials and taking a plant extract as a core material. The uterus warming sanitary towel solves the problems that sanitary towels in the prior art are relatively single in function and cannot meet various requirements of female users for sanitary towels.

The invention discloses a negative pressure evaporation and step-by-step feeding method of a nickel sulfate solution. The method comprises the following steps: preparing the nickel sulfate solution to be produced; performing vacuum pumping on a negative pressure evaporator; performing continuous heating on the solution in the negative pressure evaporator; performing cooling and crystallization on the concentrated solution; and further performing step-by-step feeding. The method is characterized in that the step-by-step feeding and the vacuum pumping operation are simultaneously performed. Therefore, the volume of the evaporation device can be fully utilized, the number of times of operation can be reduced, and the purpose of improving working efficiency can be further achieved. The method disclosed by the invention has the characteristics of fast evaporation speed, high production efficiency and simple operation, the number of equipment used by the method is small, and the equipment occupies small area, and is environment-friendly and pollution-free.

The invention discloses a heating insole which comprises a heating layer, a heat insulation layer, a fabric layer, a shock absorption layer and a protection layer. The protection layer is located at the lowest end, the upper end of the protection layer is provided with the shock absorption layer, the heat insulation layer is attached to the upper end of the shock absorption layer, the heating layer is arranged on the heat insulation layer, and the fabric layer is arranged on the upper portion of the heating layer. By means of the mode, the heating insole has the advantages of being high in reliability, good in heat preservation performance, stable in heating, good in shock absorption effect, high in supporting performance and comfortable to wear, and has a wide market prospect in the market for warming supplies in winter.

The invention discloses a MI mineral insulated armored heating cable and a metal heat conduction board supporting floor heating system. The MI mineral insulated armored heating cable comprises a damp-proof layer, an insulation layer, a mirror heat reflection film layer, a metal heat conduction plate layer, a MI mineral insulated armored heating cable layer, a support mesh, a heat storage layer anda floor decoration layer which are sequentially laid from the bottom layer; the MI mineral insulated armored heating cable layer is externally connected to a power supply and the connection portion with the grafting end of the power line is a cold end; the MI mineral insulated armored heating cable layer comprises a sheath tube, an insulator, a metal alloy heating wire; the insulator is disposedinside the sheath tube, and the metal alloy heating wire is disposed inside the sheath tube. The invention fully separates the conduction of heat from the power supply access end, ensures the long service life of the heating cable and is stable in heat generation. The invention greatly shortens the traditional heating and heating time and heat conduction time, and the construction is simple, energy-saving and efficient.

The invention relates to an eyeglasses frame type eye disease treatment device. The eye disease treatment device comprises a frame body (1) which is fixed with a heat insulating and preserving layer (2) and a PTC ceramic electric heating slice (3), wherein the PTC ceramic electric heating slice (3) is arranged on the inner side of the heat insulating and preserving layer (2), a medicine damping pad (4) is arranged on the inner side of the PTC ceramic electric heating slice (3), and silicone rubber sealing rings (5) are arranged at the periphery of the inner end of the frame body (1). Through the adoption of the device, eyes can directly absorb medicine, the bodies of the eyes and the optic nerves can be treated, and therefore, the eyesight is adjusted, the visual fatigue is improved, and the eye diseases are treated.

The invention discloses a far infrared radiation carbon fiber electric-thermal composite fabric and a preparation method thereof. The composite fabric comprises a far infrared radiation carbon fiber fabric arranged between two layers of flexible fabric matrixes; and an electrode plate is arranged in the far infrared radiation carbon fiber fabric. The preparation method comprises the following steps: pretreating the carbon fiber fabric to obtain a desized carbon fiber fabric; dipping the carbon fiber fabric in a dopamine solution to obtain a dopamine biomimetic modified carbon fiber fabric; spraying far infrared slurry on the dopamine biomimetic modified carbon fiber fabric to obtain a far infrared radiation carbon fiber fabric; and compounding all the layers to obtain the far infrared radiation carbon fiber electric-thermal composite fabric. The composite fabric prepared by the invention not only ensures the electric-thermal stability and heating uniformity of the fabric, but also hasgood far-infrared radiation performance, and can realize the application of the electric-thermal fabric in the fields of human body clothing, intelligent wearable articles, cold-proof thermal insulation materials, greenhouse heat sources and the like.

The invention relates to the field of electrothermal coating, and provides a novel electrically conductive and controllable heating electrothermal coating. The raw materials at least contain: conductive materials, resin binding materials and water; the raw materials of the conductive materials include graphite powder, carbon nano tubes and graphene; and the weight ratio of an emulsion A, the graphite powder, the carbon nano tubes and the graphene is 1: (0.05 to 0.1): (0.5 to 1): (0.01 to 0.1).

The invention discloses a preparation method of a micro-porous ceramic heating part for an atomizer. The preparation method of the micro-porous ceramic heating part for the atomizer comprises the steps of: uniformly mixing raw materials to obtain a micro-porous green body, wherein according to the weight ratio, the raw materials include 50-85% of a skeleton material, 10-40% of a pore forming agent, 0.5-2% of a foaming agent and 10-35% of a binding agent; the granularity of the skeleton material is 20-100 mu m; the skeleton material comprises one of aluminium oxide, silicon carbide and quartz;and the pore forming agent comprises at least one of wood dust, graphite powder, wood flour, starch and plastic powder; performing overlying, wherein a first micro-porous briquette and a second micro-porous briquette are overlying and adhered; and a heating circuit is positioned in the middle and / or the surface of a micro-porous ceramic body; and performing sintering in a protective atmosphere environment, so that a heating part is obtained, wherein the sintering temperature is 1100-1600 DEG C. The heating part is 15-120 mu m in aperture and 35-60% in porosity; and the heating part is steady to head, good in liquid absorption effect and good in atomization effect.

The invention relates to a heating composite material and a preparation method thereof, particularly a biocompatible and stably heating composite material and a preparation method thereof, and belongs to the technical field of preparation of the heating composite material. The heating composite material provided by the invention is composed of a coating material, a transition layer material and a core material in a sandwich structure. The coating material uniformly coats the outer surface of the transition layer material; the transition layer material uniformly coats the outer surface of the core material; the coating material is titanium or titanium alloy; the transition layer material is a thermal conductive and insulating material; and the core material is electrothermal alloy. By combining explosive compaction, compounding technology and annealing treatment, the heating composite material with good interface adhesion, stable and uniform heating property, excellent biocompatibility, good structure and mechanical property is obtained. Meanwhile, the explosive compaction process designed by the invention has the advantages of simpleness, convenience for operation and low cost.

The invention relates to the technical field of electric heating equipment, in particular to a graphene carbon electric heater and a production process thereof. The graphene carbon electric heater comprises more than two elongate electrodes which are arranged at intervals, wherein at least one graphene carbon electric heating unit is connected between two adjacent electrodes, an electrode end of the electrode is arranged outside the graphene carbon electrical heating unit, and a part, except the electrode end, of the electrode is arranged in the graphene carbon electrical heating unit by at least more than 80%. The graphene carbon electric heater is high in thermal efficiency and good in heat generation stability.

The invention relates to an electric-leakage-preventing carbon fiber heating plate which comprises a carbon fiber conducting layer and two insulation reinforcing layers, wherein two copper strips externally connected with a power supply are arranged on the carbon fiber conducting layer; the carbon fiber conducting layer and the copper strips are pressed between the two insulation reinforcing layers; a metal layer connected with a ground / zero circuit is arranged outside any one of the two insulation reinforcing layers; or the two metal layers which are communicated with the ground / zero circuit are respectively arranged outside the two insulation reinforcing layers. The upper and the lower metal protecting layers are clamped and are connected with the ground / zero circuit, so that the electric leakage in a heating process is prevented. The upper and the lower metal protecting layers are matched and sewed with the copper strips through a sewing line; and the carbon fiber conducting layer and the copper strips are pressed, so that the copper strips and the carbon fiber conducting layer are heated safely and stably. The carbon fiber heating plate provided by the invention has the advantages of being simple in structure, convenient to manufacture, safe to use and long in service life.

The invention discloses a biomedical heating composite and a preparation method thereof. The preparation method comprises the following steps of: washing the surfaces of a nichrome bar and a titanium or titanium alloy pipe till new metal surfaces are exposed; then, sleeving the nichrome bar in the titanium or titanium alloy pipe and putting the titanium or titanium alloy pipe in an explosive cladding sleeve to realize accurate positioning, wherein a gap between the titanium or titanium alloy pipe and the nichrome bar is 0.5-2mm; and uniformly putting explosive charges which are 5-20mm thick between the outer side of the titanium or titanium alloy pipe and the explosive cladding sleeve, manufacturing a biomedical heating composite by an explosive cladding process and appropriate heat treatment processes, carrying out multi-pass drawing on the biomedical heating composite to product biomedical heating composite wires. The biomedical heating composite prepared by using the preparation method is good in composite interface controllability, has the excellent performances of biocompatibility and heating stability, gives full play to the biocompatibility of the titanium or titanium alloy as well as high strength and corrosion resistance of nichrome, is high in electric resistance, can achieve multiple functional characteristics, such as vibration under the electromagnetic action and can be applied to the biomedical field and suitable for industrial production.

The invention discloses a novel electronic cigarette, and aims to provide a novel electronic cigarette being long in service life. The novel electronic cigarette comprises a tube tobacco rod, a suction nozzle connected at one end of the tobacco rod, a smoke emitting device, a battery, a wind pressure switch and an LED lamp which are sequentially disposed in the tobacco rod from the end, close to the suction nozzle, of the tobacco rod, to the end, far away from the suction nozzle, of the tobacco rod, and a transparent or semitransparent ventilating cover which has vents and is disposed at the end of the tobacco rod. The joint of the tobacco rod and the suction nozzle is provided with a smoke mixing cavity. The suction nozzle comprises a tube body and a suction nozzle inner core fully filled in the tube. The smoke emitting device comprises a heat insulation sleeve sleeved in the tobacco rod, a PCT heater and a radiator, wherein the PCT heater and the radiator are disposed in the heat insulation sleeve and connected through thermal conduction. The PCT heater is arranged at one side, far away from the smoke mixing cavity, of the heat insulation sleeve, and the radiator is arranged one side, close to the smoke mixing cavity, of the heat insulation sleeve. The wind pressure switch, the LED lamp, the battery and the PCT heater are electrically connected. The novel electronic cigarette is quick in heating, high in heat transformation rate and long in service life without open fire.

The invention provides a graphene-containing heating board for building heating and a preparation method thereof. The preparation method includes mixing an aluminum sulfate solution, a silicic acid solution, a hydroxylated inorganic fiber, a graphene oxide and a reducing agent to obtain a graphene-coated inorganic fiber conductive material, then mixing the material with bamboo powder, polypropylene, a coupling agent, a lubricant and color master batch for extrusion to obtain a heating board for heating. According to the preparation method, the hydroxylated inorganic fiber is coated with the graphene oxide, the aluminum sulfate solution and the silicic acid solution and then co-extruded with the bamboo powder and the polypropylene, the aluminum sulfate expands and becomes a sponge-like substance, and the grapheme-coated inorganic fiber is uniformly dispersed to form a network-like heating board.

The invention discloses a reactive in-place intelligent compensation device for a three-phase asynchronous motor. The reactive in-place intelligent compensation device comprises a dry-type low-voltage power capacitor, a high-breaking-capacity breaker, a soft fling-cut switch and a DSP chip controller, the soft fling-cut switch, the high-breaking-capacity breaker and the DSP chip controller are welded to a circuit board, the circuit board and the dry-type low-voltage power capacitor are packaged into a box, and a terminal block is led out from the box to be connected to the three-phase asynchronous motor to achieve intelligent reactive power compensation. In addition, the reactive in-place intelligent compensation device in the design is small in integration size, convenient to install and high in compensation efficiency, line losses and motor heating are greatly reduced, the power energy is saved, the working voltage is stabilized, and the service life of the motor is prolonged.

The invention relates to the technical field of conduction oil heating, and discloses a conduction oil electric heating box. The conduction oil electric heating box comprises a box body and a support. The box body is arranged on the support. An oil filling port is formed in the upper end of the box body and is connected with a circulating oil filling pipe. An oil discharge valve is arranged at the lower end of the box body. A hot oil pump is arranged at the lower end of the support and connected with the box body through an oil pipe. The hot oil pump is connected with a circulating oil outlet pipe. A plurality of hot boxes are arranged in the box body. A plurality of hot box cells are arranged in each hot box. At least one electric heating plate is arranged in each hot box cell. The electric heating plates are connected with a power supply through electric heating plate power supply leads. The electric heating plate heating method is adopted, the heating plates are isolated from oil conduction oil and are not influenced by carbon deposition, maintenance can be implemented without charging the oil, the conduction oil electric heating box can not be influenced by the service life of the heat conduction oil and can be repeatedly used, the price of the heating plates is low, and heating is stable.

Belonging to the technical field of fuels, the invention relates to a preparation method for a solid alcohol fuel containing Artemisia argyi oil. The method includes the steps of: adding Artemisia argyi into water, then adding cellulase, carrying out heating, enzymolysis, and enzyme inactivation to obtain an enzymatic hydrolysate; adding sodium sulfate into the enzymatic hydrolysate, conducting heating, then discharging water, putting the residue into a distillation boiler, introducing water vapor, performing condensation, and collecting the discharged steam, and taking the upper oil phase after layering; adding wax, stearic acid and industrial ethanol into the oil phase, conducting heating, and mixing them uniformly to obtain a mixture I; taking a sodium hydroxide water solution, adding industrial ethanol, carrying out heating and mixing them uniformly to obtain a mixture II; and then mixing the mixture I with the mixture II, raising the temperature, mixing them uniformly, and performing cooling and solidification. The solid alcohol containing Artemisia argyi oil provided by the invention has the advantages of stable heat generation and high combustion value during combustion, can generate an Artemisia argyi oil gas, and is beneficial to human health.

The invention relates to an evaporation element used for vacuum evaporation aluminum film coating and a manufacturing method thereof, in particular to a C / h-BN composite evaporation boat used for film coating and a manufacturing method thereof. A composite evaporation boat body is made from a C / h-BN composite material, wherein multiple layers of hexagonal boron nitrate and graphite heating elements are alternately overlapped from top to bottom and subjected to hot-pressing sintering to be integral, and then the C / h-BN composite material is obtained. The C / h-BN composite evaporation boat is characterized in that the surface layer of the boat body is a hexagonal boron nitrate sintered layer with evaporation grooves, the bottom layer of the boat body is a graphite heating element, and the surface of the graphite heating element is at least coated with one layer of oxidation-resistant thermal resistance coating. The specific resistance of the evaporation boat is relatively stable, heating is stable, it is avoided that due to uneven local heating, evaporation materials are sputtered, and film coating quality is improved. Meanwhile, because the hexagonal boron nitrate sintered layer protects the boat body, the service life is prolonged. The oxidation-resistant thermal resistance coating for usage substantially reduces heat energy loss caused by thermal irradiation of the graphite heating element under a vacuum environment, and therefore the effect of saving electric energy is achieved.

The invention provides a flexible heating thick-film element comprising a four-layer structure which comprises a base-layer flexible matrix at the first layer, a rigid carrier at the second layer, thick-film coating coated on the rigid carrier at the third layer and a top-layer flexible matrix at the fourth layer, wherein a thickness ratio of the four layers is that rigid carrier : thick-film coating : top-layer flexible matrix is equal to 70-200 : 3-10 : 1 : 3-70; the thick-film coating is 10-50 microns thick; and the overall thickness of the flexible heating thick-film element is 1-3.5mm. According to the element provided by the invention, the characteristic that the base-layer flexible matrix and the rigid carrier are combined is used, so that within the selection range of bending strength of the element, the adhesion of a thick-film coated on the carrier is ensured, and thus the element generates heat stably, and the whole element can also be flexible, thus being good in flexibility when the element is applied to clothes or other products.