1686results about "Heating element materials" patented technology

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 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.

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.

An accelerometer includes a housing, a proof mass assembly encased in the housing, and one or more heating elements configured to heat the proof mass assembly in response to an electrical current. The one or more heating elements include a positive temperature coefficient of resistance (PTC) material. The PTC material exhibits a relatively high increase in resistance above a threshold temperature. For example, a ratio of the resistance of the PTC material above the threshold temperature to the resistance of the PTC material at room temperature (PTC ratio) is greater than five.

The invention belongs to the technical field of wind turbine blade anti-icing and deicing, and particularly relates to a carbon nano tube-graphene composite electric heating anti-icing and deicing system which comprises a composite electric heating layer laid on the surface of a wind turbine blade base body and used for generating heat, and the composite electric heating layer sequentially comprises a base layer, a composite conductive layer and an insulation protection layer from inside to outside. The electrode assembly is arranged on the composite electric heating layer and used for supplying power to the composite conductive layer; the ice layer monitoring module is configured to monitor the thickness of the ice layer on the surface of the blade and the environment temperature; and the power supply control module is electrically connected with the electrode assembly and the ice layer monitoring module and is configured to control power supply parameters of the electrode assembly according to the ice layer thickness and the environment temperature. By optimizing the structure of the composite conductive layer and improving the electrode arrangement and intelligent control mode, the thermal response speed is increased, the heating uniformity is optimized, the energy consumption is reduced, the service life is prolonged, and the device adapts to the complex working condition of the wind turbine blade.

The invention relates to the technical field of fluid machinery, in particular to a heater and a compressor assembly, a ceramic heating plate is arranged on a heat conducting plate through nickel plating, reflow soldering and the like, heat is transferred to a containing space of the heater through the heat conducting plate, and the situation that the ceramic heating plate directly makes contact with fluid, boiling is generated, and consequently the heat exchange efficiency is reduced is avoided. The combination mode of nickel plating bottom welding can enable the ceramic heating plate and the heat conduction plate to be combined more tightly, heat loss is small during heat conduction, and heat exchange efficiency is not affected.

A non-metallic composite heating element assembly can be formed by winding a carbon veil onto a resin-rich structural layer before the resin-rich structural layer completely cures. The resin can wet through the carbon veil during formation, thereby bonding the carbon veil to the structural layer without the need for a separate and discrete adhesive layer. Other layers can also be formed, including a first insulating layer between the carbon veil and the first structural layer, a second insulating layer above the carbon veil, and a second structural layer formed above the second insulating layer. The carbon veil can include two busbars for supplying power to the carbon veil.

The invention belongs to the technical field of electric heating deicing, and particularly relates to a surface heating electric heating film and a preparation method thereof. Comprising an outer surface insulating layer, a heating layer, a power supply electrode and an inner surface insulating layer, the heating layer is prepared from a carbon-based conductor composite polymeric material in a printing or coating mode, and the carbon-based conductor composite polymeric material is formed by mixing polyimide resin and carbon fibers (or one or more of graphene, carbon nanotubes and the like). The surface heating electric heating film provided by the invention has the characteristics of simple and reliable structure, light weight and surface heating performance, can be applied to ice prevention and removal operation of parts such as aircraft wings, empennages, propellers and the like, and has relatively high practical application value.

The invention relates to a coating formula, a heating element and a preparation method of the heating element, the coating formula comprises the following components in percentage by mass: 60 to 70 weight percent of Cu, 0.005 to 0.05 weight percent of Sn, 0.001 to 0.01 weight percent of P, 0.005 to 0.05 weight percent of Fe, 0.001 to 0.02 weight percent of Si, 0.001 to 0.05 weight percent of Ag and 30 to 40 weight percent of Zn, and the sum of the components is 100 weight percent. The electric heating device has the advantages of quick response, high energy utilization rate, uniform temperature distribution, long service life and the like, and is particularly suitable for manufacturing efficient and energy-saving electric heating appliances.

The invention discloses an air suspension dryer, and aims to solve the problems that the sealing effect is poor in the heating process of a traditional dryer, and the sealing performance and the heating effect of the dryer are affected. The air suspension dryer comprises a dryer body, a heating assembly and a heat insulation cover, and the dryer body and the heating assembly are located in the heat insulation cover; the heating assembly comprises a first insulating layer, a heating resistance layer and a second insulating layer, the first insulating layer, the heating resistance layer and the second insulating layer are sequentially arranged on the outer side of the dryer body, the heating resistance layer is connected with an external circuit, and a gap is formed between the second insulating layer and the heat insulation cover. The heating assembly is directly sintered or attached to the outer side of the dryer body, and the heating function and the drying function are highly integrated. The external heating assembly can prevent the initial structure of the dryer body from being changed, and the sealing performance of the dryer body is ensured. The general arrangement design is facilitated, and meanwhile, the production and assembly cost can be reduced.

A heater includes a plurality of heat-generating cells partitioned by a boundary line arranged on a base body, and includes one resistive heating wire formed in each heat-generating cell and having a zig-zag shape as a whole, the resistive heating wire formed by connecting a parallel wiring and a turn-back wiring formed so as to turn back the parallel wiring in a vicinity of the boundary line between adjacent heat-generating cells. In the adjacent heat-generating cells, the resistive heating wire of a heat-generating cell has an extension portion extending the parallel wiring past the boundary line, and the resistive heating wire of the other heat-generating cell is shortened or deformed so that a wiring of a portion facing the extension portion maintains an electrical insulation with the extension portion. The resistive heating wires of the adjacent heat-generating cells include extension portions alternately in a boundary line direction.

The invention discloses a fragrance-emitting carrier, a fragrance-emitting body and a preparation method of the fragrance-emitting carrier, and the preparation method of the fragrance-emitting carrier comprises the following steps: mixing carbon-based powder and an adhesive, and carrying out compression molding to form a carbon block or a carbon rod; placing the carbon block or the carbon rod in high-temperature air at 300-400 DEG C to form an oxygen-containing functional group on the surface of the carbon block or the carbon rod; continuously and gradually heating the carbon block or the carbon rod to 1500 + / -50 DEG C, introducing inert gas to carry out air flow impact induction on the carbon block or the carbon rod, so that carbon atoms are rearranged to form a carbon-carbon double bond structure, and stripping the carbon block or the carbon rod by utilizing shearing force during air flow impact to generate nanoscale pores; gradually cooling the carbon block or the carbon rod to room temperature; soaking the carbon block or the carbon rod in an acid solution to remove metal residues; and placing the carbon block or the carbon rod in a negative pressure environment to repair lattice defects. The fragrance-emitting carrier has excellent fragrance storage performance and electrical conductivity, can be directly used as a resistor for heating, and does not need to be heated by an additional heating element.

The present application relates to a kind of CNT conductive heating film and its preparation method and application, belong to conductive heating film technical field.The present application is creatively first using ethylenediamine to the surface modification of amino of graphitized carbon nanotube that is pretreated with hydrochloric acid, to obtain component A, then with 1,2,7,8-diepoxyoctane as crosslinking agent, based on the bonding of epoxy group and amino, crosslinking carboxymethyl chitosan containing amino is coated to the surface of component A, form first coating, then add aniline as modifier, based on in-situ polymerization, build second coating, then obtain modified graphitized carbon nanotube, make it with organic resin polymer and other raw materials according to conventional preparation method can be prepared a kind of CNT conductive heating film, well solve the agglomeration of graphitized carbon nanotube, dispersibility problem, heating performance is excellent, very suitable for application in warm product.

The invention relates to a high-voltage heating element (1) for an electric heating device for heating an air flow, in particular for a motor vehicle, preferably for a battery-electric motor vehicle, - with a metallic flat tube (2) defining a longitudinal direction (X), a transverse direction (Y) and a vertical direction (Z) which are perpendicular to each other, - with a heating register (3) which has several PTC heating elements and two electrodes for electrically contacting the PTC heating elements, - wherein the heating register (3) is arranged in the flat tube (2) so that the flat tube (2) completely encloses the heating register (3) in a circumferential direction (U) surrounding the longitudinal direction (X), - wherein an electrical insulation (9) extending completely around the circumference (U) is provided between the flat tube (2) and the heating register (3). The manufacture of the high-voltage heating element (1) can be simplified in that the insulation (9) is formed by a coating (10) of electrically insulating material (11) which adheres to an inner side (12) of the flat tube (2) and / or to an outer side (13) of the heating register (3).

The utility model belongs to the technical field of graphene flexible heating pads, and particularly relates to a graphene flexible heating pad capable of conducting heat through superposition, which comprises a heating pad main body, the heating pad main body comprises a heating layer, a heat preservation layer is arranged on the lower end face of the heating layer, and a bottom layer is arranged on the lower end face of the heat preservation layer. Rapid heating can be carried out; a gap between the first heating film and the second heating film is filled through the first heat-conducting silica gel sheet, so that heat transfer between the first heating film and the second heating film is realized, the heating speed is increased, and the heating effect is improved; heat of the second heating film is conducted upwards through the second heat conduction silica gel sheet, heating use is facilitated, good heat insulation and heat preservation effects are achieved, heat loss is reduced, the heating effect is further improved, the strength is high, the wear-resisting effect is improved, and protection is achieved from the surface; and the buffer layer is made of heat-resistant sponge, is relatively soft and has good buffer performance, so that the comfort level is improved.

To provide an electrostatic chuck capable of simplifying the circuit configuration for temperature control.SOLUTION: An electrostatic chuck 10 comprises a dielectric substrate 100 and a heater unit 300 for heating the dielectric substrate 100. The heater unit 300 comprises a heating section 331 which is a conductor wound in a linear configuration and generates heat when supplied with power from an external source. In the top view, the heating section 331 is individually routed in each of a plurality of regions HA. The plurality of regions HA comprises a first region HA11 and a second region HA12. When the electrical resistance value of the heating section 331 routed in the first region HA11 is denoted as R1, and the electrical resistance value of the heating section 331 routed in the second region HA12 is denoted as R2, the electrostatic chuck 10 satisfies the condition (|R1-R2|) / R2<0.15.SELECTED DRAWING: Figure 8

The invention relates to the technical field of electric heating, and discloses an electric heating device and a preparation method thereof.The electric heating device comprises a first layered structure, a second layered structure and a third layered structure which are sequentially connected in the horizontal direction; cooperative heating of a plurality of functional areas can be effectively achieved. The third layered structure is provided with an electrode layer, and the electrode layer is connected with an external power supply, so that the first layered structure and the second layered structure are powered and heated, a first temperature zone is formed in the first layered structure, a second temperature zone is formed in the second layered structure, and the temperature of the first temperature zone is lower than or higher than that of the second temperature zone. According to the anti-icing and deicing requirements, the first temperature zone, the second temperature zone and the positions of the electrode layers can be set, so that the same material can meet the anti-icing and deicing requirements of different parts, the energy consumption is reduced, and the energy utilization efficiency is improved.

A semiconductor manufacturing equipment member including a conductor with excellent uniformity of electrical conductivity is provided. The semiconductor manufacturing equipment member according to an embodiment of the present invention includes a ceramic substrate and a conductor. The conductor is provided within the ceramic substrate. The ceramic substrate has a thermal expansion coefficient of 2.0×10 -6 / ℃~10.0×10 -6 The conductor includes a ceramic material having a temperature of 1000° C. / ° C. and a spinel. The conductor has a surface layer containing the spinel and a skeleton located inside the surface layer.

A heater element 1 includes: a honeycomb structure 10 having an outer peripheral wall 100 and partition walls 110, the partition walls 110 defining a plurality of cells 101a, each of the cells 101a extending from a first end face 10a to a second end face 10b of the honeycomb structure 10 to form a flow path, at least the partition walls 101 being made of a material having a positive temperature coefficient (PTC) property; a first electrode 11 and a second electrode 12 provided on the first end face 10a and the second end face 10b, respectively; and a first metal terminal 13 and a second metal terminal 14 provided on the first electrode 11 and the second electrode 12, respectively, wherein at least one of the first metal terminal 13 and the second metal terminal 14 has a plurality of partial electrodes 15.

An aerosol-generating device is disclosed. The aerosol-generating device includes a body, a heater disposed in the body and including a carbonaceous material, a temperature sensor configured to output a signal corresponding to the temperature of the heater, a power supply configured to supply power to the heater, a heater driving circuit electrically connected to the heater and the power supply, and a controller configured to control power supplied to the heater. The controller determines a temperature increase rate of the heater based on the signal received from the temperature sensor, and upon determining that the temperature increase rate is equal to or higher than a predetermined rate, the controller controls the heater driving circuit to interrupt supply of power to the heater.

The application discloses a crystalline hyperbranched multi-arm copolymer, a self-supporting graphene film and a preparation and application thereof. The crystalline hyperbranched multi-arm copolymer is prepared by the following method: a hyperbranched macromolecular initiator is obtained by using an alpha-diimine palladium catalyst to catalyze ethylene and a bromine-containing functional monomer in a one-step "chain removal" copolymerization in a water-free grade solvent; and then the hyperbranched macromolecular initiator is used to initiate atom transfer radical polymerization of an acrylate functional monomer to obtain the crystalline hyperbranched multi-arm copolymer. The crystalline hyperbranched multi-arm copolymer, graphite powder and a solvent are mixed in proportion, graphene initial dispersion liquid is obtained through ultrasonic and centrifugal separation, and then the self-supporting graphene film is obtained through filtration, elution and drying in sequence. The application provides an application of the self-supporting graphene film as an electrothermal film, and the self-supporting graphene film has excellent electrothermal performance and mechanical strength.

The utility model provides a heat preservation structure and a one-way heating element, the heat preservation structure comprises a first panel, a second panel and a supporting layer, and the first panel and the second panel are arranged in parallel; the supporting layer is filled between the first panel and the second panel, and the supporting layer is fixedly connected with the first panel and the second panel; wherein at least one cavity is formed in the supporting layer. According to the heat preservation structure, heat transfer is effectively slowed down through the cavities, the heat preservation effect is achieved, the multiple cavities are formed in the supporting layer, the heat preservation performance is achieved, and meanwhile the supporting layer can be cut at will for various industrial machining.

A heating system, related methods, and electrical connectors for same are described. The heating system employs one or more catalytic tubes, each having a reactive transmission line. Each catalytic tube is supported in a corresponding containment tube of a heater to produce heat. Heat can be generated by applying electrical pulses to the transmission lines which are exposed to a reactant flowing in the containment tube containing the catalytic tube. The generated heat can be extracted from the heater with a heat-transfer liquid or gas for various practical applications including, but not limited to, industrial, commercial, and residential heating applications.

Reduce the temperature in the observation window. [Solution] The system comprises a stage 8 for fixing the object to be evaluated 110, a heater 30 for heating the stage 8, airtight containers 10 and 20 for housing the heater 30 and the stage 8, and a first cooling pipe 7 for cooling the side walls of the airtight containers 10 and 20. The airtight containers 10 and 20 each consist of a main body 10 surrounding the heater 30 and the stage 8, and an observation section 20 having an observation window 18 for observing the object to be evaluated 110, with the observation section 20 protruding from the main body 10. The system also has a second cooling pipe 17 for cooling the side wall of the observation section 20.

The invention belongs to the technical field of graphene, and particularly relates to graphene leather capable of realizing temperature-sensitive color development and a preparation method of the graphene leather. As the graphene heating functional layer adopts the high-thixotropic silver paste, the printed circuit pattern is clear in edge, uniform in thickness and extremely high in consistency with the designed pattern; and a clear interface is formed between a silver paste circuit and leather fibers, and improper penetration is avoided. And the circuit resistance value consistency is excellent (the deviation is controlled within + / -5%), so that rapid, uniform and stable planar heating can be realized after the graphene heating layer is connected, and the local overheating hidden danger is perfectly eliminated. According to the present invention, the natural texture and the soft touch feeling of the leather are maintained while the efficient and safe heating performance with the visual color developing function is achieved.

The utility model relates to a kind of water-soaked heat-retaining clothes with heating function, comprising: clothing, the clothing is provided with several heating blocks in, the clothing is filled with buoyancy block;Battery pack is set in the heating block, the battery pack is connected the heating block by wire;Control panel is set on the surface of the clothing, the control panel control connection the heating block, simple structure, convenient to use.

A heater, a water purifier, and a hot air blower comprising the same are provided. The heater is configured to heat a fluid and includes a graphene scroll forming a heating flow path extending between an inlet through which the fluid flows into the heater and an outlet through which the fluid flows out of the heater, and configured to generate heat in response to an electrical current flowing therethrough, and an electrode configured to apply a voltage to the graphene scroll. The electrode includes a first side electrode electrically connected to the graphene scroll, a second side electrode electrically connected to the graphene scroll and opposite to the first side electrode, and an intermediate electrode electrically connected to the graphene scroll and disposed between the first side electrode and the second side electrode.

The present disclose provides a sol-gel paste composition of matter that is provided for application to a substrate to form an electrically conductive coating which can be used, for example, as a resistor in a thick-film resistive heater, which a positive temperature coefficient of resistivity (PTCR) as a consequence of the electronic properties of the electrically conductive semiconductors used in the resistor layer and which exhibits self-limiting behavior at elevated temperatures. The composition includes a sol gel solution in which up to 90% by weight (wt. %) of the solution is comprised of conductive and insulative powders in a uniform stable solution.

The utility model discloses an electro-thermal conversion device based on electro-magnetic-thermal coupling effect, and relates to the technical field of electro-thermal conversion, the electro-thermal conversion device comprises a support isolation structure, an induction coil and a heated structure, the support isolation structure comprises a base and a support, the support is arranged on the base, and the induction coil is arranged on the support. The induction coil is arranged on the outer side of the support, and the heated structure is arranged on the inner side of the support. According to the electro-thermal conversion device based on the electro-magnetic-thermal coupling effect, efficient electro-thermal conversion of electromagnetic induction and high-temperature radiation coupling is achieved through the induction coil, the energy conversion efficiency is improved, energy consumption is reduced, and the electro-thermal conversion device based on the electro-magnetic-thermal coupling effect is of great significance to energy conservation and emission reduction.

The anti-scattering grid assembly with the temperature control function comprises an anti-scattering grid metal body, a graphene heating film and a shading carbon plate, the anti-scattering grid metal body is arranged on the upper side of a detector crystal, the graphene heating film is arranged on the upper side of the anti-scattering grid metal body, and the shading carbon plate is arranged on the upper side of the graphene heating film. One side of the graphene heating film is provided with a power supply positive electrode, the other side is provided with a power supply negative electrode, and the shading carbon plate is arranged on the upper side of the graphene heating film. According to the utility model, the graphene heating film is electrified for heating, the anti-scattering grating metal body is used for transmitting heat to the detector crystal, and the temperature sensor is used for forming closed-loop control so as to ensure that the temperature meets the requirement.