2140results about "Heating element shapes" patented technology

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.

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 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.

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 present invention relates to an electric heating device with a housing (2) which forms a heating element receptacle (8) holding at least one PTC element (32) and at least one fluid channel (10), and a PTC heating device (34) with a press-fit profile (24) inserted into the heating element receptacle (8) which forms a PTC receptacle (30) in which the at least one PTC element (32), electrically conductive conductor tracks (28) abutting it and optionally an insulation (36) supporting the conductor tracks (28) insulated against the PTC receptacle are provided.To create an electric heating device that enables good heat extraction from the PTC element with reduced manufacturing and assembly effort, it is proposed according to the invention to form the housing (2) from an extruded profile and to form deformation projections (42, 46) between the housing (2) and the press-fit profile (24) through the housing (2) and / or the press-fit profile (24), by which the press-fit profile (24) is held under a preload in the heating element receptacle (8).

The invention relates to the technical field, and discloses a fisheye test needle group for testing a circuit board, which comprises a test board, the test board comprises a heating pressing block, an insulating component and a base, a test sample is placed between the heating pressing block and the insulating component, the test sample comprises a sample body and fisheye needles extending from pins on the sample body, and the fisheye needles are arranged on the base. A plurality of groups of double-end probes and elastic sheets are mounted in the base and are in butt joint with fisheye needles, the fisheye needles, the double-end probes and the elastic sheets form a test needle group, when the test sample sinks, the fisheye needles are in butt joint with the double-end probes, the elastic sheets are in butt joint with the fisheye needles to form two pairs of contacts, and when the test sample sinks to guide a first pair of contacts to appear, the first pair of contacts are in butt joint with the fisheye needles. And the wedge-shaped surface in the sinking direction guides the elastic sheet to incline so as to form the second pair of contacts, so that the current and voltage required by Kelvin testing can be met, the two pairs of contacts and a plurality of testing points are integrated in a single structure, and the use requirement is met by the appearance of lateral force while vertical downward force exists.

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 relates to the technical field of power transmission tower supporting, in particular to a frost heaving prevention device of a power transmission tower underground structure and a control method thereof.The frost heaving prevention device of the power transmission tower underground structure comprises a tower foundation body, the tower foundation body is inserted into soil during installation, and the tower foundation body comprises an upper part and a lower part; the upper part is of a conical tower-shaped stepped structure, and the small end of the upper part is arranged on the upper part, so that the horizontal frost heaving force can be reduced and guided downwards, the tower foundation main body is more stable, and the phenomenon that the tower foundation main body is pushed to be inclined or a tower collapse accident is caused by the horizontal frost heaving force is avoided; the segmentation reinforcers are configured to cut soil in the radial direction, so that the upward frost heaving force can be reduced, and the tower foundation body is prevented from being pulled out of the ground through the frost heaving force. An anchoring assembly is arranged on each segmentation reinforcing piece, and the anchoring assemblies are configured to be capable of anchoring the tower foundation body in soil.

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.

A quad-polarized antenna system according to the present invention comprises a plurality of RF chains, and an antenna array in which rows of first dual-polarized antenna units and rows of second dual-polarized antenna units are alternately arranged in a horizontal direction. The first dual-polarized antenna unit and the second dual-polarized antenna unit have different dual polarization characteristics from each other. The rows of first dual-polarized antenna units are used to form at least one first beam and at least one second beam which have + / −45° polarizations, and the rows of second dual-polarized antenna units are used to form at least one third beam and at least one fourth beam which have 0° / 90° polarizations. The first beam, the second beam, the third beam, and the fourth beam are formed towards different spatial directions, and the first and third beams correspond to main lobes, and the second and fourth beams correspond to grating lobes.

The invention relates to the technical field of railway contact networks, in particular to an electrified railway anti-icing contact network and a control system.The device comprises a contact network wire and a brim flow guide structure arranged on the contact network wire in a sleeving mode; the upper part of the catenary wire is an arc-shaped surface, the middle part of the catenary wire is provided with a dovetail groove, and the lower part of the catenary wire is a conductive surface; the shape of the upper portion of the brim diversion structure is consistent with that of the upper portion of the contact network wire, the middle of the brim diversion structure extends towards the two sides to form brim-shaped diversion plates, and the brim-shaped diversion plates are used for guiding airflow to drive freezing rain water drops to slide towards the two sides so as to avoid a conductive surface; the brim-shaped flow guide plate is positioned below the dovetail groove; and after the cap-brim-shaped guide plate is sleeved on the overhead line system wire, the conductive surface can be in contact with the pantograph. Structural innovation and collaborative prevention and control logic are integrated, and the problems that an existing electrified railway anti-icing scheme is single, limited in function and insufficient in adaptability are solved.

The invention provides an intelligent temperature control heat tracing band and a manufacturing method thereof, and belongs to the technical field of heat tracing bands, and the method specifically comprises the steps: determining the temperature measurement data of the heat tracing band based on the test data of the heat tracing band, and determining the temperature of the heat tracing band when the distribution uniformity of a conductive composite material of the heat tracing band is determined to have deviation based on the temperature measurement data. On the basis of the uniform distribution condition of the conductive composite material of the temperature tracing zone, determining the number of test samples of the temperature tracing zone in each length, and on the basis of the number of the test samples, determining that the test result of the matching carbon black proportion of the conductive composite material under each length meets the requirement. On the basis of similar conditions of matching carbon black proportions of the conductive composite materials under various lengths and resistivity data, the manufacturing method of the temperature tracing zone is determined, and the operation reliability and safety of the temperature tracing zone are improved.

The utility model discloses a pectin extraction device and aims to provide a pectin extraction solution which is high in efficiency, energy-saving and environment-friendly. The device comprises a smashing assembly, a heat treatment assembly and a separation assembly, pomace is smashed through the smashing assembly, the smashed pomace is heated through the heat treatment assembly, and pectin and the pomace are separated through the separation assembly. Due to the design of the device, the pectin extraction process is automatic and continuous, the extraction efficiency and purity are improved, the energy consumption and environmental pollution are reduced, the operation process is simplified, and the maintenance cost is reduced. The pectin extraction device disclosed by the utility model is suitable for large-scale production of pectin in the food industry, and has a good market application prospect.

An optical face protection shield is provided having a support body, an optic lens, and an elongate heater. The support body has a user interface. The optic lens is carried by the support body over a user's face configured to protect a user. The elongate heater is carried by the optic lens so as to traverse an expansive surface area of the optic lens. The elongate heater has an elongate resistive heating element and an outer thermally transmissive, peak temperature mitigating, and an electrically insulative cover material encompassing the resistive heating element. A method is also provided.

The invention discloses an overhead power transmission line icing removing device, and relates to the technical field of power transmission lines, the overhead power transmission line icing removing device comprises a device main body with a side portion provided with an ice removing block and a heating member, the ice removing block and the heating member are in contact with an overhead power transmission line, a first moving member is arranged in a first housing of the device main body, and a second moving member is arranged in a second housing; the overhead transmission line is fixed between the first moving part and the second moving part, a deicing part is arranged in the second shell, an ice scraping part is arranged in the first shell, and the deicing part and the ice scraping part are both in contact with the overhead transmission line. Deicing is carried out through the deicing block, the heating piece, the deicing piece and the ice scraping piece of the device main body, the guide wheel for moving is adaptive according to the size of the power transmission line, the contact area between the guide wheel groove and the power transmission line is increased, the phenomenon that the guide wheel slips on the power transmission line is avoided, and the device can stably move on the power transmission line and is convenient to use. And subsequent deicing work on the surface of the power transmission line can be carried out.

The invention relates to the technical field of overhead cables, in particular to an overhead conductor cable with a split type diversion mechanism, which comprises a cable body, and the cable body comprises a conductor, a conductor shield, an insulator, an insulation shield, a copper strip shield, a filler, a wrapping tape, an inner sheath, an armor and an outer sheath from inside to outside. According to the overhead conductor cable with the split type flow guide mechanism, the middle flow guide frame is arranged on the armor, and the internal flow guide pipe inserted into the middle flow guide frame is communicated with the split type flow guide mechanism; according to the split type diversion mechanism, diversion nozzles on two sides are inserted into lateral openings of an internal diversion pipe to form a circulating flow channel on a cable body, so that the heat dissipation performance in the cable can be greatly improved, and the cable can stably and efficiently run for a long time; the plurality of annular assembling grooves are formed in the outer side of the outer sheath, the split type flow guide mechanisms are installed on the annular assembling grooves to be fixed to the cable, splicing can be carried out in the later period, and the installation mode is simple and rapid.

An electrical heater system includes a heater block, a plurality of heating element holes transversing the heater block, a plurality of radiant coil holes transversing the heater block, a plurality of electrical heating elements disposed within the plurality of heating element holes, and a plurality of radiant coils disposed within the plurality of radiant coil holes. A process for olefin production includes heating a plurality of radiant coils using an electrical heater, feeding a hydrocarbon mixture into a plurality of inlet tubes, controlling a temperature of a plurality of electrical heating elements to heat a heater block to a desired temperature, cracking the hydrocarbon mixture in the plurality of radiant coils to produce a cracked effluent, collecting the cracked effluent through a plurality of outlet tubes, and cooling the cracked effluent using a heat exchanger.

The utility model discloses a heating structure for a hair dryer, which comprises two bases and three mica sheets which are mutually inserted into a whole, one end of each base is provided with a clamping groove, each mica sheet comprises two first insertion sheets and a second insertion sheet, the first insertion sheets and the second insertion sheet are rectangular, and the first insertion sheets and the second insertion sheets are rectangular. The first inserting piece is provided with a symmetry axis parallel to the long edge, the second inserting piece is provided with a symmetry axis parallel to the long edge and a symmetry axis parallel to the short edge, the symmetry axes, parallel to the long edge, of the three mica sheets coincide with one another, the angles between the mica sheets are uniform, and the two bases are clamped with the three mica sheets from the two ends respectively. The short edge of the mica sheet is embedded into the clamping groove; tooth grooves are formed in the long sides of the mica sheets, heating wires embedded into the tooth grooves are arranged around the mica sheets, and mica layers are arranged on the outer sides of the heating wires. According to the utility model, only the base with one shape and the mica sheets with two shapes need to be used, so that disorder is not easy to generate, extra energy does not need to be provided for deliberately distinguishing during installation, and the assembly efficiency is improved.

An optical face protection shield is provided having a support body, an optic lens, and an elongate heater. The support body has a user interface. The optic lens is carried by the support body over a user's face configured to protect a user. The elongate heater is carried by the optic lens so as to traverse an expansive surface area of the optic lens. The elongate heater has an elongate resistive heating element and an outer thermally transmissive, peak temperature mitigating, and an electrically insulative cover material encompassing the resistive heating element. A method is also provided.

The vaporizer includes a tube element defining an inner volume for receiving an amount of liquid aerosol-forming substrate, a mesh in the inner volume of the tube element, and a heater outside, the heater including an electrical resistive heater, and the heater is configured to heat the mesh and the received amount of liquid aerosol-forming substrate to a temperature sufficient to volatilize at least a part of the received amount of liquid aerosol-forming substrate.

The utility model relates to halogen heating tube technical field, concretely is a kind of halogen heating tube that is convenient for heat accumulation, including mounting ring, the lower end of mounting ring is installed with pipe head, the top surface of mounting ring is installed with heat preservation subassembly, the inside of heat preservation subassembly is provided with heat accumulation subassembly, the inside of mounting ring is provided with mounting groove. The utility model is through the cooperation of heating assembly and heat accumulation subassembly, first pass through heat preservation ring can avoid internal heat loss, simultaneously pass through the even absorption of heat of the heat conduction ring, heat conduction sheet and heat conduction ring in heat accumulation subassembly interior, heat can be stably transferred to the inside of heat accumulation cover body, so that the inside temperature of heat accumulation cover body is always high.

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.

Various articles and methods for controlling an amount of thermal energy generated by the articles are disclosed herein. For example, an article can include a power source and a flexible circuit electrically coupled to the power source. The flexible circuit can include a trace including a deformable conductor. The trace can define a plurality of switchbacks. The plurality of switchbacks can be configured to generate a predetermined amount of thermal energy when a voltage from the power source is applied to the trace.

The utility model relates to the technical field of heating devices, and discloses a titanium-based memory alloy electrode recovery heating device for electroosmosis drainage reinforcement of a soft soil foundation, which comprises a heating device main body, a limiting support seat and a heating assembly, a fixed supporting plate is movably connected into the heating device body, a sensor and a control panel are arranged on the front face of the heating device body, and the heating assembly is arranged in the heating device body. A rotating connecting shaft rotates to drive a first gear and a second gear to be meshed to drive a rotating threaded rod to rotate in the heating device main body, and a fixed supporting plate is pushed to ascend and descend through threaded connection of the rotating threaded rod and a fixed threaded cylinder, so that the distance between an electrode and a stainless steel electric heating pipe is controlled; and the electrode is controlled within an effective heating range, so that an effective heating effect is achieved when the electrode is heated, and the recovery quality is improved.

The utility model belongs to the technical field of heating cables, and provides a temperature-sensing heat-conducting high-power insulating heating cable, which comprises three phases of power lines arranged in parallel; the insulating layer is arranged on the outer side of the three-phase power line; the inner protective metal layer is arranged on the outer side of the insulating layer; the temperature sensing test line is arranged on the outer side of the metal layer; the heat conduction wire is arranged on the outer side of the metal layer, and the heat conduction wire and the temperature sensing test wire are arranged in the circumferential direction of the outer wall of the inner protection metal layer; and the corrosion-resistant outer metal sleeve is arranged on the outer side of the temperature sensing test wire and the heat conduction wire. According to the utility model, the temperature sensing test line and the three-phase power line jointly form the temperature sensing heat conduction type high-power insulation heating cable, and the temperature sensing line and the heating cable are put into a well at the same time, so that whether the heating cable is abnormal or not can be intuitively judged through the temperature sensing test line, the accuracy of the heating cable in use is improved, and the operation is facilitated at the same time.

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 utility model provides a heating mechanism and a photovoltaic module structure, and relates to the technical field of photovoltaic equipment.The heating mechanism comprises a main heating part and a plurality of branch heating parts, and the branch heating parts are arranged on one side of the main heating part in a T shape; the main heating part is respectively communicated with the plurality of branch heating parts, and heat energy between the main heating part and the plurality of branch heating parts is mutually transferred; according to the technical scheme, the heating mechanism is arranged to be of a T-shaped structure, integration of all heating pieces of the heating mechanism is achieved, the heating mechanism can be integrally installed relative to the photovoltaic module, the technical problem that in the original mode that all heating pipes need to be installed in sequence, the working efficiency is low can be solved, and the purposes of reducing labor intensity and improving production efficiency are achieved. And the working efficiency is improved.

The present application relates to tubular heaters, an aspect of which comprises: a tubular casing enclosing a heated portion and at least a first connection portion adjacent the heated portion; an electrical heating element disposed within the heated portion of the tubular casing; a power transmitting element extending between the heated portion and the first connection portion for transmitting electrical power from an external power source to the electrical heating element; a sensor assembly disposed within the first connection portion of the tubular casing and comprising at least a first temperature sensor; and a heat conducting element provided in thermal contact with the first temperature sensor and extending from the first connection portion into the heated portion, wherein the heat conducting element is electrically insulated from the electrical heating element and the power transmitting element.

The utility model discloses a medium-length type self-temperature-limiting ribbon heater, which comprises two buses arranged in parallel, semiconductor heating core tapes are arranged on the surfaces of the two buses and at the position between the two buses, an inner insulating layer is coated outside the semiconductor heating core tapes, cutting nails are arranged on the inner insulating layer at equal intervals along the length direction, and the cutting nails are connected with the semiconductor heating core tapes. The cutting nails are symmetrically arranged above and below the two buses, and the inner insulating layer and the cutting nails are coated with an outer insulating layer. The self-temperature-limiting ribbon heater extrudes or hammers the mark pattern close to the section position from the outside, cuts the bus and the semiconductor heating core belt through the cutting nails symmetrically arranged inside, or cuts the bus and cuts the semiconductor heating core belt. The part of the bus and the semiconductor heating core belt close to the section can be conveniently twisted, pulled and detached from the section through tools such as pliers, so that the bus and the semiconductor heating core belt cannot be in contact with the woven shielding layer to cause short circuit, and the effect that insulation wrapping is simpler and more guaranteed is achieved.