4563results about "Heating element shapes" patented technology

The invention discloses a cold-resistant 35kV power cable, and relates to the technical field of cables, the outer side of an inner conductor is provided with a heat insulation support assembly, the outer side of the inner conductor is coated with an inner insulation layer, a heat conduction wire is embedded in a heat conduction groove, the outer side of the inner insulation layer is sleeved with an isolation pipe between adjacent corrugated support pipes, and two sides of the isolation support are uniformly provided with support springs. The inner conductor can dissipate heat in the power-on process, the heat is transferred to the spiral mica tape and the heat conduction strip through air, the air inlet pipe is connected with the air outlet position of an air pump, in the forced flowing process of air, the heat conduction switch assembly is arranged between the two arc-shaped spring plates, and the heat conduction switch assembly is arranged between the two arc-shaped spring plates. Heat exchange is carried out in a low-temperature area and a high-temperature area between the inner insulating layer and the outer insulating layer of the cable, so that the temperature distribution in the cable is more uniform, the condition of local damage of the cable caused by uneven cold and heat is prevented, the application range of the cable is wider, and the service life of the cable is longer.

A fabric heating barrel with a graphene heater is configured to heat fabrics and includes: an outer shell, serving as a heating container and a heating cavity disposed inside the outer shell. A graphene composite heating film is attached to at least one of an outer wall of the heating cavity and a bottom of the heating cavity. The graphene composite heating film is configured to heat the heating cavity. A controller and a temperature sensor are disposed between the outer shell and the heating cavity. The temperature sensor is configured to sense a temperature of the graphene composite heating film, and the controller is electrically connected to the temperature sensor and the graphene composite heating film. Due to the far-infrared and thermal radiation heating principle of the graphene, the temperature is more uniform. Compared to a traditional resistance heating member, the graphene composite heating film is more energy-efficient.

Provided is a heater assembly for a hand-held appliance. The assembly includes a ceramic heater substrate having a heated region that includes heater elements for converting electrical energy to heat, and an unheated region adjacent to the heated region. The assembly includes a heat sink for dissipating heat from the heater elements, where the heat sink extends from the heated region of the ceramic heater substrate. The assembly includes electronic control devices for controlling electrical energy supply to the heater elements, and which are mounted at the unheated region of the ceramic heater device. The assembly includes heat dissipation means to dissipate heat from the heater elements to maintain the unheated region at a lower temperature than the heated region.

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 invention discloses a direct-current charging device and a use method thereof, relates to the technical field of direct-current charging, and aims to solve the technical problem that the service life and safety are affected by continuous plugging after a charging plug is fully charged. According to the invention, safety and reliability are improved through cooperation of multiple structures; the isolation sleeve, the outer convex ring clamp and the expansion ring form multi-stage sealing, dust and water vapor are prevented from invading, and the connection stability is enhanced; the loose insertion structure is automatically disconnected after being fully charged by means of thermosensitive deformation, so that part loss caused by long-term insertion is avoided; the moisture absorption structure periodically works through the extrusion part, continuously adsorbs and discharges moisture, and protects the safety of a circuit; the pressure energy structure maintains short-time sealing of the expansion ring after power failure, and the protection time is prolonged. All the components are linked through heat transfer, the functions of sealing, disconnecting, moisture prevention and the like can be achieved without extra power, the use experience is optimized, various environment requirements are met, and the service life of equipment is prolonged.

The invention discloses a direct-current ice melting system of a subway overhead line system, which comprises an overhead line system and a running rail, and further comprises a subway rectification module and a direct-current ice melting module, the subway rectification module and the direct current ice melting module are connected with the contact network. The invention further discloses a direct-current ice melting method of the subway overhead line system. The direct-current ice melting device can stably output direct-current ice melting current in a large range to meet the ice melting requirements under different scenes, meanwhile, different wiring modes are adopted according to the ice melting requirements to melt ice on a plurality of contact nets or walking rails at the same time, and the operation time is saved.

The utility model provides a heating device and a household appliance. The heating device comprises a heating piece, the heating piece is provided with an electrode part, and the heating piece can generate heat when the electrode part is in a power-on state; the first heat dissipation set comprises a first heat dissipation piece and a first heat conduction piece, the first heat conduction piece is connected between the heating piece and the first heat dissipation piece, a radiation channel is defined by the first heat conduction piece and the heating piece, and the first heat dissipation piece is provided with a through heat dissipation channel.

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.

A heating apparatus is disclosed. The heating apparatus comprises a PTC heating element, a first electrode, a second electrode, a first protection layer, a second protection layer, a first interlayer, and a second interlayer. A hardness of the first protection layer is greater than that of the first interlayer. A hardness of the second protection layer is greater than that of the second interlayer.

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.

The invention relates to the technical field of petroleum and natural gas development, and discloses a double-sheath mineral insulated heating cable and a preparation method and application thereof. The double-sheath mineral insulation heating cable sequentially comprises a core body, an insulation heat conduction layer, an inner sheath layer and an outer sheath layer from inside to outside. Wherein the yield strength of the inner sheath layer is greater than or equal to 205 MPa, the tensile strength is greater than or equal to 520 MPa, the ductility is greater than or equal to 35%, and the hardness is less than or equal to 32 HRC; the yield strength of the outer sheath layer is greater than or equal to 205 MPa, the tensile strength is greater than or equal to 520 MPa, the elongation is greater than or equal to 35%, and the hardness is less than or equal to 32 HRC; the thickness of the outer sheath layer is 30%-50% smaller than that of the inner sheath layer, the heat conductivity of the inner sheath layer is not larger than that of the outer sheath layer, and the heat conductivity of the inner sheath layer is not smaller than that of the insulating heat conduction layer. The double-sheath mineral insulation heating cable can be suitable for being applied to deep wells and ultra-deep wells of H2S, CO2 and Cl <->, the use temperature is 350-750 DEG C, and the service life is more than 3 years.

An electric heater to heat a flow of a fluid having a jacket block comprising a plurality of longitudinal bores to allow the through-flow of a gas phase medium. An elongate heating element extends through each of the bores and is positionally stabilised within the jacket block via a plurality of stabilising fins that project radially inward to at least partially surround the elongate heating element within each of the bores.

To provide a vehicle air-conditioning system capable of performing dehumidifying and cooling operations without using an evaporator.SOLUTION: A vehicle air-conditioning system includes: an air-conditioning duct 10 allowing air from a cabin to flow therethrough; and an air-conditioning device 20 disposed inside the air conditioning duct 10. The air-conditioning device 20 includes: a honeycomb structure 25 which includes an outer peripheral wall 21 and partition walls 24 disposed inside the outer peripheral wall 21 to define a plurality of cells 23 each forming a flow path extending from a first end face 22a to a second end face 22b, and in which at least the partition walls 24 are composed of a material having PTC characteristics; and a cooling member 26 which is provided so as to cover the outer peripheral wall 21 of the honeycomb structure 25, and which forms a flow path 26R allowing a refrigerant to flow therethrough between the honeycomb structure 25 and itself.SELECTED DRAWING: Figure 1

The invention relates to the technical field of vacuum machines, and particularly discloses a water-washable heating rod and a vacuum machine, the water-washable heating rod comprises a main body, the interior of the main body is provided with an accommodating cavity, the upper part of the main body is provided with a first opening, the lower part of the main body is provided with two conductive column holes, and the accommodating cavity is respectively communicated with the first opening and the two conductive column holes; the heating wire is mounted in the accommodating cavity; the upper cover covers the upper part of the main body, and the upper cover is provided with a second opening opposite to the first opening; the lower surface of the high-temperature adhesive tape wraps the heating wire and is used for sealing the first opening, and the upper surface of the high-temperature adhesive tape is used for sealing the second opening; the two sealing rings are mounted in the conductive column holes in a one-to-one correspondence manner; wherein the conductive column hole is used for installing a conductive column, and when the upper end of the conductive column penetrates through the sealing ring to be electrically connected with the heating wire, the containing cavity is in a sealed state. The heating rod capable of being washed and cleaned and the vacuum machine have the dismounting and sealing effects, so that cleaning and maintenance are convenient.

The invention relates to the technical field of electric heater preheating, in particular to an electric heater preheating system and method. Wherein the electric heater comprises a shell, an electric heating tube and a junction box; the preheating device comprises a hot air module, a control module, a pressure sensor, a temperature and humidity sensor and a switch valve. The hot air module comprises a draught fan, a heating piece and a connecting air pipe, and the connecting air pipe is connected with the first pipe opening so that hot air generated by the hot air module can be input into the shell through the first pipe opening. The second pipe orifice is used for discharging air, the pressure sensor and the temperature and humidity sensor are arranged at the second pipe orifice to detect a pressure value, a temperature value and a humidity value, and the switch valve is arranged at the second pipe orifice to adjust the opening and closing and / or the opening degree of the second pipe orifice. When the electric heater is in a shutdown state, the external preheating device is connected with the electric heater to form a preheating system, energy of a molten salt system does not need to be depended on, non-internal circulation air is utilized, and preheating and moisture removal of the electric heater are achieved.

An aerosol generating device includes: a case with an assembling opening in one end; and a heating assembly detachably mounted in the case so as to heat an aerosol generating substrate. The heating assembly includes a heating structure. The heating structure includes a heating portion for generating infrared light waves in a power-on state, and a sleeve for the infrared light waves to pass through. The heating portion is arranged in the sleeve and is at least partially spaced apart from a tube wall of the sleeve.

Disclosed are an aerosol-generating device and a heating structure. The heating structure includes a sleeve and a heating element at least partially spaced apart from the sleeve. The heating element includes a heating substrate configured to generate heat in a powered-on state, and an infrared radiating layer that is arranged on the outer surface of the heating substrate and configured to radiate infrared light waves. The sleeve is configured to allow the infrared light waves to pass through. The heating element is at least partially bent and has a first free end and a second free end, the sleeve has two end portions distributed along a longitudinal direction, and the first free end and the second free end are led out from a same end portion of the sleeve. According to the heating structure, the heating element is at least partially bent and the first free end and the second free end of the heating element can be led out from the same end portion of the sleeve, whereby the assembly process of the heating structure can be simplified and assembly costs can be reduced.

The present application discloses a heater and an aerosol generating device. The heater includes: a base, having an inner surface; an infrared electrothermal coatings, being disposed on the inner surface of the base; a conductive module, comprising a first conductive portion and a second conductive portion arranged on the base, both the first conductive portion and the second conductive portion being electrically connected with the infrared electrothermal coating; wherein each of the first conductive portion and the second conductive portion includes a conductive portion coating section arranged on the inner surface of the base and a conductive portion electrode section arranged on an outer surface of the base.

Liquid heater, particularly for motor vehicles, said heater (1) comprising a housing (2) defining a channel (4) for circulating said liquid, said heater (1) further comprising at least one electric heating element (6), said channel (4) extending along a spiral extension line comprising at least one turn (20a, 20b), said electric heating element (6) extending in the channel (4) along an extension line following the extension line of the channel (4). Figure for the abbreviation: Figure 1

The present disclosure relates to an aerosol-generating device and a heating structure including a heating portion and two conductive portions; the heating portion has a spiral structure and is formed by winding at least one heating element; the heating element includes a heating substrate for generating heat in an electrified state, and an infrared radiation layer provided on an outer surface of the heating substrate for radiating infrared light waves; the heating portion includes a first end and a second end opposite to the first end; and the two conductive portions are connected to the first end and the second end of the heating portion, respectively, and extend in a same direction. By winding at least one heating element to form a heating portion having a hollow spiral structure, the heat transfer efficiency of the heating portion may be improved, and the overall reliability of the heating structure may be improved, such that the uniformity of the gap between the heating portion and the tube body may be maintained, and thus a temperature field may be kept uniform.

A method and system for preventing condensation of an ultrasonic liquid level meter. The method comprises: connecting a heat tracing unit to an ultrasonic liquid level meter, and deploying a temperature monitoring module; on the basis of a measurement result of the monitoring module, calculating the dew point of the surface of a probe of the ultrasonic liquid level meter; and comparing the dew point with the surface temperature of the liquid level meter measured by the monitoring module and, on the basis of a heating control execution module, performing dynamic temperature control. By means of deploying the heating unit and the temperature monitoring module, the present invention measures the surface temperature of the probe in real time and, on the basis of the calculated dew point, dynamically adjusts heating power, such that the surface temperature of the probe is higher than the dew point temperature, thus effectively avoiding condensation and solving the effect of environment temperature and humidity on the precision of liquid level measurement.

A disposable consumable with tobacco, hemp and / or cannabis therein is heated in a keyed receivor allowing conduction and convection. The consumable when inserted into a heating chamber via a keyed receivor will have one or more linear sections running axially that are in direct contact with the inner wall of the heating chamber and one or more linear sections that are remote from the inner wall with a volume of air between the cartridge and inner wall. Direct contact sections are heated via conduction through the heating chamber wall and the heated air volume forms a convection airflow for inhalation.

A heating device 10 is a heating device 10 with: a printed circuit board 12; an electronic component 13 provided on the printed circuit board 12; a housing 20 in which a storage space 29, in which the printed circuit board 12 is housed, and a flow path 21, through which a heat medium flows, are formed; and a heating element 11, which is provided in the flow path 21 and heats the heat medium, wherein several wall sections forming the storage space 29 include a contact wall section 26 with which the electronic component 13 is in indirect contact, and the contact wall section 26 is in contact with outside air.

An electric heating assembly may include a sheath, a resistive wire, a thermally conductive electrical insulation, and a tubular body. The sheath may define an enclosed volume along a longitudinal length between a first end portion and a second end portion. The resistive wire may be disposed within the enclosed volume to generate heat in response to an electrical current. The thermally conductive electrical insulation may be radially positioned between the resistive wire and the sheath. The tubular body may be disposed radially inward from the sheath and define a vent channel extending from a vent inlet disposed within the sheath to a vent outlet held outside of the sheath.

A curb stone or paving stone charging device for charging an energy store of an electrically driven vehicle. The curb stone or paving stone charging device includes a main body, an inner receiving space which is delimited on a plurality of sides by the main body, a cover which closes the receiving space, a charging unit having components which are arranged in the receiving space, a charging socket which is connected mechanically at least indirectly to the cover, and a heating element which heats the cover. The main body is produced from a metal, a concrete, a natural stone, a plastic or a composite material.

An aerosol generating system includes a holder generating aerosol by heating a cigarette, and a cradle having an inner space into which the holder is inserted, wherein the holder is electrically connected to the cradle to be moveable in the inner space of the cradle. The aerosol generating system includes a controller and a heater for heating an aerosol generating material, wherein the controller predicts insertion of the cigarette into the holder and preheats the heater in advance based on a prediction result.

An automatic production system for a graphene heating tube comprises a punching forming device which comprises a die and a pressing plate located above the die, a cutting edge matched with a heating wire is arranged on the die, and a graphene sheet is pressed, cut and formed into the heating wire through downward pressing of the pressing plate; the electrode spot welding device receives the heating wire formed by the punching forming device and is used for welding electrodes at the two ends of the heating wire; the tube penetrating device comprises a guide tube, one end of the guide tube is driven to penetrate through the quartz tube, the heating wire on which the electrode is welded is clamped, and the heating wire is pulled into the quartz tube; the pressing and sealing device is used for heating and pressing and sealing the two ends of the quartz tube provided with the heating wire, so that the two ends of the quartz tube are changed into flat and airtight sealing structures; and the lamp holder mounting device is used for arranging the lamp holder on the quartz tube at the two ends of the quartz tube which is pressed and sealed through the lamp holder mounting device. After the scheme is adopted, full-automatic production of the graphene heating tube is realized, and the production efficiency is improved.

The invention relates to the field of demonstration teaching aids, in particular to a pediatric orthopedic repair demonstration box which comprises a box body, a front chamber is formed in the middle of the front side of the box body, silos are rotationally connected to the upper portion and the lower portion in the front chamber, and mounting discs are mounted on the inner sides of the ends, close to each other, of the silos. The ends, close to each other, of the mounting discs are fixedly connected with a plurality of simulation blood vessels, electric heating wires are arranged in the simulation blood vessels, the ends, away from the simulation blood vessels, of the mounting discs are fixedly connected with power connection bins, and the power connection bins are used for supplying power to the electric heating wires in the simulation blood vessels; according to the device, how to avoid the main blood vessel of the leg when a surgical incision is formed in a fracture point can be trained, the actual surgical condition is simulated, the surgical scene is highly restored, the practical training pertinence is improved, and the practical training efficiency is improved. And the operation opening proficiency of people is trained.

The invention discloses a straight seam welding machine for steel plate machining, and relates to the technical field of steel plate welding, the straight seam welding machine comprises a bottom frame body, a top frame body is arranged on the upper surface of the bottom frame body, an auxiliary mechanism is arranged at the center of the top frame body, and the auxiliary mechanism comprises a bearing assembly and a pressing and fixing assembly; the two fixing pressing plates are arranged at the center of the top frame body, the bearing assembly comprises a plate body part and a vibration part, the plate body part comprises a bottom fixing column, the bottom fixing column is fixedly installed on the upper surface of the bottom frame body, an electric telescopic rod is arranged on the upper surface of the bottom fixing column, and the vibration part comprises a sliding protruding strip. The sliding raised lines are located below the bearing plate body, and bottom protruding blocks matched with the sliding raised lines are arranged on the bottom face of the bearing plate body. In the scheme, by arranging the auxiliary mechanism, it is ensured that the welding process is smoothly conducted and the welding seam strength is optimized, and the overall welding efficiency and quality are improved.