4156results about "Heating element materials" patented technology

The invention belongs to the technical field of carbon-carbon heaters, and particularly relates to a preparation method of a carbon-carbon heater. The preparation method of the carbon-carbon heater comprises the following steps: carrying out first vacuum filtration on a dispersion liquid of short carbon fibers in a mold, adding a mixed liquid of phenolic resin and ethanol into the mold, carrying out second vacuum filtration, demolding, curing and molding, dipping an obtained carbon-carbon heater blank in asphalt or phenolic resin, and carbonizing to obtain the carbon-carbon heater. The obtained carbonized blank is subjected to graphitization treatment, vapor deposition densification and purification treatment, and the carbon-carbon heater is obtained. Through vacuum filtration forming, manual knitting errors can be avoided, the uniformity of the product is better, and the conductivity of the prepared carbon-carbon heater is good. And meanwhile, large-batch production can be realized, the productivity is higher, the labor cost is saved, and time and labor are saved. The preparation method is low in raw material consumption, low in cost and convenient to operate, and the carbon-carbon heater is good in integrity, low in impurity content and good in conductivity and mechanical property.

The invention belongs to the field of electric heating materials, and discloses an electric heating element and electrode integrated material based on a fiber woven structure, an electric heating composite material and a preparation method thereof. An electric heating element and an electrode in the material are made of integrated fiber woven fabric. The electrode area is composed of a high-conductivity carbon fiber woven structure, and the high-conductivity characteristic of the electrode area is obtained through in-situ growth of graphene on the fiber surface through chemical vapor deposition; the electric heating area is composed of fiber cloth with a certain conductive characteristic. According to the fiber electric heating / electrode integrated woven structure, an extra electrode is prevented from being used in an electric heating material structure, and the problems of combination and connection of the electrode and the electric heating material and the defect of poor contact are solved. Meanwhile, the electric heating / electrode fiber integrated woven structure retains the integrity of a fiber electric heating element / electrode fabric, solves the problem of mismatching of material modulus, thermal expansion coefficient and the like caused by the use of a metal electrode, and can be applied to the fields of electric heating resin-based fiber composite materials, electric heating ice prevention and removal and the like.

The invention provides a heat-resistant polyimide (PI) resin / fiber composite packaged infrared electric heating assembly and a preparation method thereof. The infrared electric heating assembly comprises a montmorillonite fiber fabric electric heating piece and PI resin / fiber composite packaging materials laid on the upper surface and the lower surface of the electric heating piece. The packaging material and the sealed material are firmly combined and integrally formed, and roll-to-roll production can be theoretically achieved. The packaging thickness and the voltage-resistant electric leakage performance of the infrared electric heating assembly can be regulated and controlled through design. Compared with other packaging methods such as gluing in similar technical files, the packaging method has the advantages of being airtight, resistant to high-temperature aging and firm and having certain mechanical strength.

A manufacturing process for a food warming pad includes the following steps: a pad body with a groove formed on a second surface is manufactured by an integrated molding process; after the heating wire is embedded in the groove, an encapsulation glue is coated, and a drying operation is performed; after the encapsulation glue is completely cured, a controller is installed; and then, a test is performed to obtain a qualified food warming pad.

The invention relates to the technical field of graphene, and discloses a deep skin anti-wrinkle beauty instrument applying a graphene electrothermal effect and a control method, the method comprises the following steps: pre-activating a graphene electrothermal film to obtain a negative temperature coefficient resistance characteristic parameter; performing contact state detection and multi-parameter analysis on the target area to obtain personalized temperature control parameters; pWM sectional power control is carried out on the graphene electrothermal film based on the personalized temperature control parameters and the negative temperature coefficient resistance characteristic parameters, and a staged heating temperature output strategy is obtained; real-time feedback adjustment is carried out based on a staged heating temperature output strategy, and a stable temperature control signal is obtained; the graphene electrothermal film is subjected to gradual cooling power adjustment according to the stable temperature control signal, meanwhile, the safe stop state of the beauty instrument is confirmed, the unique characteristic that the resistance value is reduced when the temperature of the graphene material rises is utilized, and compared with a traditional linear resistance material, the temperature control precision and the response speed are higher.

The invention relates to the technical field of optical lenses, and discloses a heating, deicing and demisting structure of an optical lens, which comprises a lens frame, a deicing and demisting mechanism is arranged in the lens frame, a lens bracket is fixedly mounted on the inner side of a limiting bracket, and a temperature sensor and a humidity sensor are fixedly mounted on the left side of the lens bracket. A transparent graphene heating film is mounted on the outer surface of the lens, an electrode is fixedly mounted in the transparent graphene heating film, and an annular heating element is clamped to the outer surface of the lens. According to the heating, deicing and demisting structure of the optical lens and the use method, when humidity data reaches or exceeds a set threshold value and the temperature is higher than 0 DEG C, the control module sends an electrifying instruction to the transparent graphene heating film, heat is uniformly transmitted to the surface of the lens, and mist is dispersed without leaving scratches; the non-contact heating demisting method not only effectively protects the optical performance of the lens, but also improves the reliability and service life of equipment.

The present disclosure relates to a susceptor, and a susceptor of the present disclosure may improve temperature uniformity over the entire area of the upper surface of the susceptor by arranging a heater pattern of a multilayer structure so that arcs thereof do not overlap or so that the straight sections of the heater are arranged at different angles with respect to the center in different layers, or by arranging the straight sections of the heater at different angles with respect to the center even in a heater pattern of a single-layer structure.

An electrically conductive brickwork module is used in a resistive heating or thermal energy storage system. The brickwork module includes an electrode constructed with metallic chromium physically and electrically connected to one or more electrically conductive bricks. The electrode is operational at temperatures in excess of 1300 C, or in some instances in excess of 1500 C. In some instances the electrodes are constructed of ceramic bricks having internally incorporated metallic agglomerates.

The invention provides an electric heating fabric and a preparation method and application thereof.The electric heating fabric comprises fiber cloth, an electric heating film is arranged on the surface of one side or two sides of the fiber cloth, the electric heating film has a wave-transparent function and is formed by curing conductive slurry, and the conductive slurry comprises resin, a dispersing agent, a carbon material, a functional compound and a solvent; the functional compound comprises a nitrogen-containing compound and / or an acidic compound; the specific functional compound is added into the preparation raw materials of the electric heating film, and the interface bonding performance between the electric heating film and the composite material is effectively improved by utilizing the cross-linking reaction between the functional compound and the resin in the composite material; therefore, the long-term stability and reliability of the obtained electric heating fabric and the integrated composite material thereof in an extreme use environment can be ensured, and the electric heating fabric has a wave-transparent function and is suitable for being applied to the surface of an aircraft.

The present invention provides a dry powder formulation of 5-MeO-DMT or a pharmaceutically acceptable salt thereof, and one or more pharmaceutically acceptable carriers or excipients. The formulations described herein may be used to treat a disease or condition, such as depression or alcohol use disorder in a subject in need thereof.

The invention belongs to the technical field of heating components, and relates to a high-temperature film type electric heating sheet and a preparation method and application thereof.The high-temperature film type electric heating sheet comprises a base material layer, a conductor layer, a heating layer and an insulation packaging layer which are sequentially arranged, and the base material layer and the insulation packaging layer are made of polyimide independently. The conductor layer is made of conductive silver paste and / or etched copper foil, and the heating layer is made of polymer resistance paste; and the working temperature of the high-temperature film type electric heating sheet is greater than or equal to 200 DEG C. According to the high-temperature film type electric heating sheet provided by the invention, by optimizing and improving the materials of each layer, efficient heating and the working temperature of 200 DEG C or above are realized, the manufacturing cost is reduced while the heating efficiency is improved, and the manufacturing and lightweight design of curved-surface or heterogeneous elements is realized by the film type structure.

A heater assembly (300) for an aerosol-generating system, the heater assembly comprising: a fluid permeable heater (322) for heating a liquid aerosol-forming substrate to form an aerosol; a porous member (324) for conveying liquid aerosol-forming substrate to the fluid permeable heater, wherein the fluid permeable heater is deposited on to a porous outer surface (324a) of the porous member, the fluid permeable heater comprising: a first layer (326) of deposited electrically conductive material; a second layer (328) of deposited electrically conductive material, wherein the electrical conductivity of the second layer is greater than the electrical conductivity of the first layer such that the second layer modifies the electrical resistance of the fluid permeable heater to a required resistance.

The invention discloses a graphene heating system for an automobile rearview mirror and a heating method of the graphene heating system, and belongs to the technical field of automobile accessories. The system comprises an acquisition unit, a control unit, a graphene heating film and a positioning film, the graphene heating film is fixed on a mirror surface of a rearview mirror lens, the positioning film is attached to the graphene heating film, and the control unit is arranged on the back surface of the lens and connected with other components. A plurality of independently controlled heating areas are arranged on the graphene heating film, corresponding positioning areas are arranged on the positioning film, and the positioning areas and the heating areas with the same serial number are overlapped in position. The system judges whether the rearview mirror meets the fogging condition or not by collecting information such as environment temperature and humidity, weather and position, can accurately position the fogging area, and pertinently controls the corresponding heating area to conduct heating and defogging. According to the invention, accurate identification and directional heating of the fogging area of the rearview mirror are realized, the demisting efficiency is improved, and the energy consumption is reduced.

The invention discloses a graphene heating module and a heating device.The graphene heating module comprises a base and at least one graphene heating module, the base is provided with a fluid channel, the graphene heating module is fixedly connected with the base, the graphene heating module comprises a high-temperature-resistant frame, and a flow channel is formed in the middle of the high-temperature-resistant frame; a flow channel is formed in the high-temperature-resistant frame, a latticed graphene heating sheet covers the flow channel, the graphene heating sheet is fixedly connected with the high-temperature-resistant frame, the graphene heating sheet comprises latticed fiber cloth, a graphene film is arranged on the fiber cloth, and an electrode electrically connected with the graphene film is arranged on the high-temperature-resistant frame. According to the graphene heating module and the heating device provided by the invention, the grid-shaped structure is adopted, so that fluid can pass through each small hole, the contact area between the fluid and the graphene heating sheet is increased, and the heating efficiency is improved.

Composite materials with noble metal coated silver nanowires loaded into polymer are described. The composite materials may have resistivities of no more than about 100 Ohm-cm, or from about 100 Ohm-cm to about 1×1011 Ohm-cm depending on the amount of noble metal coated silver nanowires loaded into the polymer. The noble metal coated silver nanowires may be platinum coated silver nanowires. Metal particulates such as silver flakes or silver particles may be added to the composite materials in order to obtain desired properties. Composite precursor compositions and methods for preparing the composite materials are described.

An improved warming tray is provided, and relates to the technical field of waring trays. The improved warming tray includes an integrally formed flexible housing and a locking structure arranged at an edge of the flexible housing; the locking structure is configured to lock a rolled state of the improved warming tray and prevent an edge of the flexible housing from being upwarped; at least one end of the flexible housing has an opening formed into a bag-shaped structure; a heating film is detachably arranged in the flexible housing; and the heating film is put into the flexible housing or taken out of the flexible housing through the opening. By designing the heating film that is detachably mounted in the integrally formed flexible housing, the heating film can be taken out of the integrally formed flexible housing when damaged.

A scent dispenser may comprise a vial retaining mechanism, a heating element, vial sensor, and a controller. The vial retaining mechanism includes a vial coupling that removeably retains a vial containing a scented solution. The includes a wick extending from a cavity of the vial through an opening of a neck of the vial. The heating element is shaped to receive and heat the wick of the vial. The vial sensor includes an array of sensor pads that are arranged in alignment with the vial retained by the vial coupling. The controller is electrically coupled to the heating element and electrically coupled to the array of sensor pads. The controller regulates a temperature level of the heating element, and receives signals from the array of sensor pads and processing the signals to determine a fluid level of the vial.

The utility model discloses a graphene carbon heat-conducting fin and reversible desiccant membrane combined membrane component for demisting an automobile lamp, a graphene carbon heat-conducting fin layer comprises a heat absorption area and a heat conduction area, the heat absorption area is arranged towards a heating element in the automobile lamp and is used for absorbing infrared heat, the heat conduction area is formed by extending from the heat absorption area to a cold area which is easy to fog, and the reversible desiccant membrane is arranged in the heat conduction area. The heat is exported for demisting; the reversible drying agent diaphragm layer is arranged in the heat conduction area and comprises a supporting framework layer, a functional layer and active filler; the support framework layer is an expanded polytetrafluoroethylene membrane with a microporous structure, the fog absorbent slurry forms a functional layer on the surface of the expanded polytetrafluoroethylene membrane, and the fog absorbent slurry is embedded into the microporous structure to form active filling. According to the utility model, heat generated by electrical elements in the automobile lamp is utilized to realize moisture absorption and desorption circulation of the reversible drying agent diaphragm, so that the fogging problem of a novel flat and long and narrow belt type automobile lamp is effectively solved, the structure is simple, and the cost is low.

The invention relates to a permeable surface heating element for heating wall surfaces, ceilings and floor surfaces in buildings and of components having a high efficiency and reduced heat throughput and at the same time a reduced fire load, which in addition can be integrated in an advantageous manner into composite materials and components produced therefrom. The invention also relates to a method for producing the surface heating element, which is advantageous in terms of production technology and cost-effective. In addition to the permeable textile surface structure with a high proportion of mineral fibers, the surface heating element has at least one heating conductor designed as a film. The film made of an aluminum alloy is connected to a heating area of the textile surface structure by means of an adhesive. The at least one heating conductor covers between 70 and 95% of the heating area.

The invention provides a carbon nano tube film flexible electric heating composite fabric and a preparation method, and solves the technical problems that the existing heating fabric cannot be folded for multiple times, is poor in comfort and cannot be cut, the carbon nano tube film flexible electric heating composite fabric comprises an antibacterial layer, a waterproof layer, a heating layer and a substrate layer, the waterproof layer comprises an upper waterproof layer and a lower waterproof layer, the device is characterized in that an upper waterproof layer and an antibacterial layer are sequentially arranged at the upper end of the heating layer, a lower waterproof layer and a substrate layer are sequentially arranged at the lower end of the heating layer, and the heating layer comprises a heating element and a flexible electrode; the heating element is a carbon nanotube film made of multi-walled carbon nanotubes with two closed ends and placed in the same direction, the conductivity of the heating element in the longitudinal direction is larger than that in the transverse direction, and the surface of the carbon nanotube film is electrically connected with the flexible electrode in a longitude and latitude crossing mode. The method can be widely applied to the technical field of cloth preparation.

The invention relates to a cover plate with graphene heating films, and belongs to the technical field of cover plates, the cover plate comprises a transparent cover plate body and two graphene heating films, the two graphene heating films are arranged on the lower side surface of the transparent cover plate body, and a visible area is formed between the two graphene heating films. Through the arrangement of the graphene heating film, when mist or condensation is attached to the inner side face of the transparent cover plate body, the graphene heating film can generate a large amount of heat, so that the inner side face of the transparent cover plate body is rapidly heated, water vapor on the inner side face of the transparent cover plate body is evaporated, and the definition of the transparent cover plate body is guaranteed; and the observation effect on the internal condition of the cable trench is improved.

The invention relates to the technical field of engine blades, and discloses an electric heating assembly for ice prevention and removal of an engine blade and a preparation method and application of the electric heating assembly. The electric heating assembly and the engine blade are conformal, the long edge of the short axis direction of the engine blade is parallel to the first direction, and the second direction is perpendicular to the first direction; the electric heating assembly comprises a plurality of electric heating pieces which are sequentially arranged in the second direction and connected through a parallel circuit, each electric heating piece is provided with two second edges oppositely arranged in the second direction, and the second edges are parallel to the first direction; the electric heating piece comprises a conductive fabric, and the conductive fabric comprises a fiber fabric and a graphene electric heating layer conformally wrapping the fiber fabric. The electric heating assembly has good heat distribution uniformity, and the anti-icing and de-icing effects of the engine blade can be improved.

The invention relates to the technical field of heaters, in particular to a layered fabric heating battery cell, heating battery cell manufacturing equipment and a control system thereof.The layered fabric heating battery cell comprises warp yarn and weft yarn which are composed of conductive composite fibers, and the warp yarn and the weft yarn are woven into the layered fabric heating battery cell through a loom; the conductive composite fiber is prepared from a conductive material and a fiber matrix material in a laminating manner; according to the layered fabric heating cell provided by the invention, through uniform weaving of the flexible conductive composite fibers, heat is uniformly distributed in the fabric, the problem of local overheating or supercooling is avoided, and due to the fact that the resistance of the conductive composite fibers is relatively low, the electric energy consumption required by heating is reduced.

The invention discloses a preparation method of an extremely cold-resistant thermo-oxidative aging-resistant waterborne polyurethane electrothermal film, which can be used for heating an emergency camping tent in an extremely cold environment. Through molecular design and structural regulation, silicon-containing long-chain dihydric alcohol, DOPO flame-retardant dihydric alcohol and hindered phenol thermal oxidation resistant groups are introduced into a molecular chain of the waterborne polyurethane, so that the low temperature resistance, thermal oxidation aging resistance, bending resistance and flame retardance of the waterborne polyurethane are improved. The designed high and low temperature resistant waterborne polyurethane is taken as a base material, and is combined with conductive fillers such as carbon fibers, carbon nanotubes, graphene, conductive carbon black and the like to prepare the electrothermal film, and the designed electrothermal film can still keep the original electrothermal performance in extreme environments such as high and low temperatures, complex chemical environments (salt, alkali, acid and the like), long-time circulation and the like.

The present invention relates to a device for storing electricity and high-temperature energy. The purpose of the present invention is to provide a device for storing electricity and high-temperature energy, which can efficiently store both high-temperature energy and electric energy of various qualities, and which can be operated and managed conveniently such that same can be utilized in a range substantially wider than that of conventional devices. More specifically, the purpose of the present invention is to provide a device for storing electricity and high-temperature energy, which operates in such a manner that an operating fluid that is easy to handle, such as water or air, is used to directly store thermal energy in a thermal storage medium with a high-temperature operating fluid, or electric energy is converted into thermal energy, which is stored in a thermal storage medium, and the thermal energy is recovered, if necessary, with a low-temperature operating fluid.

An article, a method of making the same, and a method of using the same are provided. Such an article includes at least one coated layer, which includes a substrate and a coating disposed on the substrate. The coating includes a layered nanomaterial and a solute embedded and distributed in the layered nanomaterial. The solute comprises at least one salt soluble in a solvent. The substrate comprises a polymer, for example, a high-performance polymer such as polyether ether ketone and poly(para-phenylene terephthalamide). The article is used for thermal management applications, for example, as protective garment.

The invention discloses a high-power ceramic heater based on a new energy automobile and a manufacturing method of the high-power ceramic heater, and relates to the technical field of ceramic heater manufacturing. The invention comprises: a hollow tubular ceramic matrix; the temperature sensing layer, the first ceramic substrate, the heating layer, the second ceramic substrate, the first metal layer and the first electroplating alloy layer are sequentially attached to the outer side of the ceramic base body; the second metal layer and the second electroplating alloy layer are sequentially attached to the inner side of the ceramic base body. Through surface treatment of the novel heating slurry, the novel ceramic material, the metal layer and the electroplated alloy layer and innovative design of the integrated temperature sensing layer, the high-power ceramic heater is excellent in performance, service life, safety, temperature control and temperature impact resistance, and can cope with a harsh working environment; a more stable and efficient heating solution is provided; due to the innovative design, the ceramic heater is more reliable and durable under high-power, high-pressure and complex working conditions.

Provided is a heater element with which it is possible to widen the area in the direction in which a flow path, which can be effectively heated, extends. The heater element has a honeycomb structure and satisfies either condition (i) or (ii) below: (i) a first electrode is provided on one end face, and a second electrode has an electrode portion A provided on another end face of the honeycomb structure and an electrode portion B that is connected to the electrode portion A and provided on the surface of a partition over a predetermined length in the direction in which a flow path extends from the other end face; and (ii) a first electrode has an electrode portion A provided on one end face and an electrode portion B that is connected to the electrode portion A and provided on the surface of a partition over a predetermined length in the direction in which a flow path extends from the one end face, and a second electrode has an electrode portion A provided on another end face and an electrode portion B that is connected to the electrode portion A and provided on the surface of the partition over a predetermined length in the direction in which the flow path extends from the other end face.

The invention relates to the technical field of electric heating materials, in particular to a temperature-controllable electric heating compound and a preparation method thereof. The invention provides a temperature-controllable electric heating compound which comprises a composite heating layer, a packaging insulating layer and a copper foil electrode clamped between the composite heating layer and the packaging insulating layer, a matrix insulating layer is arranged below the composite heating layer, and a series of regularly arranged circular holes are formed in the composite heating layer; and the packaging insulating layer packages the copper foil electrode and the composite heating layer on the substrate insulating layer. The composite heating layer is provided with a series of regularly arranged circular holes, so that the temperature distribution is more uniform, and the accuracy of temperature control can be improved. The supporting performance, the fatigue resistance and the bending resistance are achieved, and the risk of electric breakdown is reduced. Therefore, the method has a wide market application prospect. Meanwhile, the invention further provides a preparation method of the temperature-controllable electric heating compound, and the preparation method is simple in step, convenient to operate and suitable for large-scale industrial production.

The utility model relates to a wafer heater and a chemical vapor deposition system, which are used for solving the technical problem of non-uniform heat distribution and temperature control on the surface of the wafer heater. The wafer heater comprises a heating part which is used for supporting a wafer and heating the wafer and comprises an inner heating area which is arranged at a position corresponding to a central area of the wafer and an annular outer heating area which surrounds the outer side of the inner heating area and is concentrically arranged with the inner heating area; the interface part is arranged at the bottom of the heating part, and the control module is used for controlling the temperature of the inner heating area and the temperature of the annular outer heating area.