2487results about "Heater elements" patented technology

A laundry appliance including a cabinet, a tub, and a drum. The tub is positioned inside the cabinet. The tub includes a front tub wall having a front tub opening, a rear tub wall, and a tub sidewall that extends between the front tub wall and the rear tub wall. The drum is rotatably supported within the tub. The drum includes a front drum opening, a rear drum wall, a drum sidewall that extends between the front drum opening and the rear drum wall, and a laundry compartment positioned inside the drum that is accessible through the front drum opening. An air gap is positioned radially between the tub sidewall and the drum sidewall. At least one heating element is positioned on or in the tub sidewall to heat the tub sidewall and therefore air flowing through the air gap.

The invention relates to the technical field of fan blade deicing, and discloses an intelligent temperature control type fan blade electric heating deicing control system and method, and the system comprises a meteorological sensing module which is used for collecting the environment temperature, humidity, wind speed and rainfall type; the blade state monitoring module is used for acquiring blade surface temperature distribution and ice layer thickness data; the dynamic decision-making module is used for generating a partition heating instruction based on the data of the weather sensing module and the blade state monitoring module; the temperature control execution module is used for converting the instruction into a gradient signal; the heating array module is used for executing electric heating deicing operation in the blade surface subareas; and the energy coordination module is used for dynamically constraining the total power of the system. The meteorological sensing module and the blade state monitoring module are integrated through the system, real-time collection and fusion of multi-source data of blade surrounding environment parameters and the thickness of an ice layer are achieved through the design, comprehensiveness and accuracy of icing monitoring are improved, a reliable basis is provided for dynamic decision making, and therefore the response capacity and early warning precision of the system to icing risks are improved.

The present invention discloses a portable hand warmer having a magnetic attraction function, comprising two sets of face shells and two sets of bottom shells, the face shells being mounted on the bottom shells, wherein heating sheets are mounted on the face shells, arc-shaped heat-conducting hardware shells are mounted on the heating sheets, and the arc-shaped heat-conducting hardware shells are connected to the face shells; top portions and bottom portions of inner walls of the bottom shells are provided with magnet positioning cavities, and magnets are mounted inside the magnet positioning cavities; and batteries are mounted at middle ends of inner cavities of the bottom shells, PCBA boards are mounted at head portions of the inner cavities of the bottom shells, and the PCBA boards are electrically connected to the batteries and the heating sheets. The present invention has the advantage of being convenient to use.

The invention discloses a single-tank hanging basket type immersion resistance type fused salt electric heating device, which belongs to the technical field of high-temperature heat storage equipment, and comprises a heat storage tank body, a tank cover, an electric heater, a stirring mechanism, a lifting execution mechanism and a control system, the electric heater comprises a connecting disc and a plurality of electric heating pipes which are integrated on the bottom surface of the connecting disc and are distributed radially and symmetrically; the stirring mechanism comprises a stirring shaft and stirring blades, and the upper end of the stirring shaft is in transmission connection with the first driving motor; the lifting executing mechanism comprises a lifting connecting rod correspondingly connected to the top end of the connecting disc. The lifting connecting rod penetrates through the tank cover through a sealing sleeve and is in transmission connection with a second driving motor. And the control system is electrically connected with the first driving motor, the second driving motor, the electric heater and the temperature sensor, is used for adjusting the immersion depth and power-on and power-off of the electric heater, and is linked with the stirring mechanism. Fused salt multi-gradient temperature field balance control is achieved by dynamically adjusting the immersion depth of the electric heating pipe, and thermal stress is reduced.

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 utility model relates to an electric heating glove, and discloses an intelligent electric heating glove, which comprises a glove body, a heating unit, an induction unit, an intelligent controller and a power supply, the heating unit is divided into a finger heating area, a palm heating area and a hand back heating area, and the heating unit is fixedly provided with a heating element; the sensing unit comprises a fingertip sensing area and a palm sensing area, and a temperature sensor is fixedly arranged on the sensing unit; the intelligent controller divides different heating areas of the heating unit into a plurality of heating gears according to the temperature of the fingertip induction area, and different heating gears correspond to different heating areas. The intelligent temperature controller is simple in structure and high in practicability, can intelligently sense the temperature and regulate and control the heating gears for partitioned heating, and is suitable for various occasions such as outdoor sports and working in winter.

The utility model relates to a high-precision transmission sighting window capable of being used in a wide-temperature environment. The high-precision transmission sighting window comprises a lens barrel, an optical lens, an optical lens mounting pressure plate and an outer flange connecting disc, two optical lenses are arranged in the lens barrel in parallel, a nitrogen hollow cavity is formed by the lens barrel and the two optical lenses arranged in parallel, the optical lens installation pressing plate is installed on the peripheries of the optical lenses in a pressing mode, the optical lenses are connected in the lens barrel in a pressing mode, and outer flange connecting discs are coaxially installed on the two sides of the lens barrel. According to the utility model, the optical lens, the nitrogen filled in the nitrogen hollow cavity and the heating tape structure are adopted, so that a stable and high-precision visual sighting window is provided for orientation equipment, and the orientation precision or attitude measurement precision of the orientation equipment is ensured.

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.

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.

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 a color temperature-based blind person color pattern emotion perception enhancement method and system, and the method comprises the steps: collecting a target image, and extracting the contour information and color information in the image; performing HSV judgment to obtain a cooling and heating classification result; mapping the cooling and heating classification result to a preset temperature interval, and generating a temperature control signal; according to the contour information, driving a target pin in the tactile array to protrude to form a tactile contour area; a temperature control signal is applied to the heating unit corresponding to the touch contour area, so that the temperature of the protruding pin is adjusted to be the target temperature corresponding to the cold and warm classification result. The method has the beneficial effects that the image color temperature is mapped into five grades of temperature gradients, so that a blind user can perceive a complete color emotion pedigree through touch, accurate touch expression of color emotion information is realized, and a visual color temperature-temperature sensing corresponding relation is established.

The utility model discloses electric heating maintenance equipment for concrete pouring in winter, which comprises a fixed base, a supporting mechanism mounted at the top end of the fixed base, an insulating plate mounted at the top end of the supporting mechanism, a transformer fixedly mounted at the top of the insulating plate, and a fixing piece arranged on one side of the fixed base. According to the electric heating maintenance equipment for concrete pouring in winter, the resistance wire with the insulating rubber skin is laid in a concrete structure, and after the resistance wire is powered on, two electrodes of the resistance wire form a conductive loop through unsolidified concrete, so that the resistance wire is fixed to the bottom end of the fixing part, and the resistance wire is fixed to the bottom end of the fixing part. At the moment, the secondary current of the transformer is large, the wire is heated and releases heat energy, the heat can be transmitted to concrete in a loss mode, and due to the fact that the heating resistance wire is embedded in the concrete, the generated heat can be completely transmitted to a concrete member. Therefore, it is guaranteed that the concrete is cured under the positive temperature condition.

To provide a device that, even when switching a heating element supplying power by using a contact switch, prevents emission of electromagnetic noise caused by arc discharge during operation of the contact switch, and prevents reduction in a life of the device due to contact wear.SOLUTION: A heating device has a plurality of heating elements 54b1-54b3, and comprises: the heating element 54b1; the heating element 54b2 and heating element 54b3 that have a shorter length in a longitudinal direction than the heating element 54b1; a first contact 54d1 to which one end of the heating element 54b1 is connected; a second contact 54d2 to which one end of the heating element 54b2 and one end of the heating element 54b3 are connected; a third contact 54d3 to which the other end of the heating element 54b3 is connected; a fourth contact 54d4 to which the other end of the heating element 54b1 and the other end of the heating element 54b2 are connected; and an electromagnetic relay 57a that brings an electrical path of the second contact 54d2 and the fourth contact 54d4 into a connection state or an open state.SELECTED DRAWING: Figure 8

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.

According to the self-cleaning lens structure provided by the embodiment of the invention, the heater and the piezoelectric ceramic are arranged on the first lens, the heater provides a heating function for the first lens, the ceramic chip provides a vibration water removal function for the first lens, and the heater and the ceramic chip cooperate to perform vibration heating on the exposed first lens; therefore, the automatic defrosting and demisting efficiency can be improved under cold or humid weather conditions or environments, and due to the fact that the heating power of the heater is lower than the vibration power of the ceramic piece, the mode can reduce power consumption, meanwhile, the problem of piezoelectric ceramic attenuation caused by long-term high-frequency vibration can be solved, and the service life is guaranteed.

A flow heater comprising a heating plate (6) comprising a metal plate (6a), a heating conductor (6b), and an insulating layer (6c) between the heating conductor (6b) and the metal plate (6a), a housing (1) in which the heating plate (6) is arranged, the housing (1) surrounding a flow channel for liquid to be heated, which leads from an inlet opening (2) of the housing (1) to an outlet opening (3) of the housing (1), a circuit board (8) with control electronics, and an electrical connector (10) via which the heating conductor (6b) of the heating plate (6) is connected to the control electronics and which has a plastic body (11; 11a, 11b) from which a conductor (12) protrudes and is embedded in the circuit board (8), characterized in that the heating plate (6) is connected between a terminal part (13) of the electrical connector (10) and a conductor (12) protruding from the plastic body. (11;11a, 11b) protruding end section (12b) of the conductor (12) is clamped, wherein the clamping element (13) is designed as a sheet metal separate from the conductor (12) and a first end section of the sheet metal of the clamping element (13) or sheets of the clamping element (13) rests against the heating plate (6) and a second end section of the sheet metal (13) or sheets of the clamping element (13) is arranged in the plastic body (11; 11a, 11b).

The utility model discloses a movable thread type heating tube with overheating protection, which relates to the technical field of heating tubes and comprises an external protection device, and a fixing device and a heating device are respectively arranged at the front end and inside the external protection device. The heating device comprises a heating wire, the heating wire is electrically connected with a normally-closed temperature control relay, the outside of the normally-closed temperature control relay is connected with a second wire and a first wire, and a copper terminal and a guide rod are further arranged on the second wire. According to the utility model, the normally-closed temperature control relay is embedded in the insulating mounting head, the temperature switch is closed in the original state, when the sensed temperature exceeds the set rated temperature, the contact is disconnected to cut off power, and when the temperature reaches the critical point, the contact is activated to play a role in protecting the heating tube in a power-off manner.

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 invention relates to the technical field of environment-friendly roads and bridges, and discloses an intelligent road and bridge energy-saving environment-friendly structure and system.The intelligent road and bridge energy-saving environment-friendly structure comprises a road and bridge body, a permeation cooling mechanism is arranged on the lower surface of the road and bridge body, and the permeation cooling mechanism comprises a bridge tower, a reservoir, an annular water tank, a second electric heating strip, an electromagnetic valve, a first argil pipe and a second argil pipe; the back face of the bridge tower and the front face of the road and bridge body are fixedly installed. According to the intelligent road and bridge energy-saving and environment-friendly structure and system, through the use of a second pump body, a water conveying pipe and an annular water tank, rainwater collected in a reservoir can enter the annular water tank for additional operation and use, and through the use of a second electric heating strip, the problem of how to enable the rainwater to enter the annular water tank in extremely high-temperature weather is solved. According to the road bridge, the collected rainwater is used for cooling the road bridge body, the effect of avoiding the influence of high temperature on the road bridge body can be achieved, and the effect that an automobile is safer during driving in extremely high temperature weather can be achieved.

Systems, devices, and techniques for heating a sample are described. A heating assembly can include a membrane. The membrane can include carbon nanotube material. The heating assembly includes a support, mechanically coupled with the membrane. The support can be configured to integrate with a charged particle beam system. The heating assembly also includes a heating circuit, electrically coupled with the membrane. The heating circuit can be configured to direct an electrical current through the membrane.

The invention discloses large special steel structure welding preheating equipment and a preheating method, and relates to the technical field of steel structure welding, the large special steel structure welding preheating equipment comprises a base, and a fixing support is fixedly mounted on the surface of the base; the pipe preheating device has the beneficial effects that the servo motor drives the pipe to rotate intermittently through the worm and gear, the eccentric rod and other structures, meanwhile, the belt wheel transmission set drives the resistor to rotate synchronously, the resistor does circular motion on the inner surface and the outer surface of the pipe, all-round uniform preheating of the pipe is achieved through cooperation of the belt wheel transmission set and the resistor, and local overheating or insufficient heating is avoided; and a plurality of resistors work at the same time, so that the heating area is enlarged, the preheating efficiency is greatly improved, and stable temperature guarantee is provided for welding quality.

The invention discloses a thermosensitive color-changing modifying pen and a color fixing device. The device comprises a modifying pen and a portable color fixing device. A main cavity and an auxiliary cavity which are separated by a partition plate are arranged in a penholder of the modifying pen and are respectively filled with thermosensitive covering ink and colorless fixation accelerant, and a fine fiber pen point and a metal needle tube pen point which are communicated with the penholder are arranged at two ends of the penholder. The portable color fixing device comprises a constant-temperature heating piece, a power supply unit and a control circuit, according to the principle that thermosensitive covering ink changes color under heating to be matched with the base color of the blueprint, fine smearing and controllable heat fixation technologies are combined, rapid, traceless and lossless modification of the engineering blueprint is achieved, and the problems that a traditional modification method is obvious in color difference, the blueprint is damaged, and operation is tedious are effectively solved. The device is easy and convenient to operate and firm in modification effect, and subsequent use of drawings is not affected.

The utility model discloses a radiation type space electric heater structure, which relates to the technical field of electric heaters and comprises a heating assembly and a supporting assembly. The heating assembly comprises a heat preservation box, supporting plates are arranged on the two sides of the top end of the inner wall of the heat preservation box and the two sides of the bottom end of the inner wall of the heat preservation box correspondingly, and electric heating radiation pipes are arranged on the two sides between two supporting plates and the two sides between the other two supporting plates correspondingly. The transmission device has the advantages that the output shaft of the positive and negative rotation gear motor is controlled to rotate to drive the driving bevel gear to rotate, the driving bevel gear rotates to drive the transmission bevel gear to rotate through meshing fit with the transmission bevel gear, and the transmission bevel gear rotates to drive the two driving wheels to rotate through the wheel shaft; and the moving direction and the moving speed of the electric heater structure can be controlled and adjusted by controlling and adjusting the rotating direction and the rotating speed of the output shaft of the forward and reverse rotation gear motor, and the technical problem that more convenient and labor-saving movement is inconvenient is solved.

The invention discloses a wafer-level flip-chip bonding packaging mechanism and method, and relates to the technical field of packaging equipment, the wafer-level flip-chip bonding packaging mechanism comprises a processing table, a controller, a chip mounting mechanism and a feeding mechanism, a fixing mechanism is arranged in the processing table, the controller and the feeding mechanism are fixedly installed on the front end face of the processing table, the chip mounting mechanism is installed in the processing table, and the chip mounting mechanism is arranged on the front end face of the processing table. The fixing mechanism is installed at the lower end of the chip mounting mechanism and comprises a material plate table, an adsorption supporting column, a clamping plate, a lead screw, a motor, a circulating fan and a welding slag collecting cup, the material plate table is fixedly installed on the machining table, a positioning groove is formed in the upper end face of the material plate table, and the adsorption supporting column moves on the upper end face of the bottom of the positioning groove. The device has the advantages of efficient fixation, automatic cleaning and accurate temperature control, and solves the problem of insufficient soldering caused by easy deviation of a circuit board, residual welding slag and improper temperature control in the traditional packaging process.

The invention relates to the technical field of optical lens assembly, in particular to online heating type lens assembly equipment, assembly line and method. The equipment comprises a lens cone carrying line body, a lens switching and feeding mechanism, a lens carrying mechanism and a pressing mechanism, and the lens cone carrying line body is used for transferring lens cones on a discharging station, a lens cone feeding jig, an assembling jig and the pressing mechanism of preorder equipment provided with a heating type bearing seat in a stepping mode. The lens switching and feeding mechanism is used for alternately switching lens material discs. The lens carrying mechanism is used for transferring the lenses in the lens material disc into the lens cones on the assembling jig, and assembling of the lens cones and the lenses is achieved. And the pressing mechanism is used for pressing the assembled lens in the lens cone. The lens cones of the equipment are in a thermal expansion state at each station, online heating of the lens cones is realized, and through the design of the lens switching feeding mechanism and the design of synchronous work of lens cone feeding, lens assembly and lens pressing, the production efficiency and the assembly yield are greatly improved.

The embodiment of the invention discloses a temperature control circuit of an atomic magnetometer. The temperature control circuit of the atomic magnetometer comprises a main control circuit, a temperature acquisition circuit and a heating module, wherein the temperature measuring circuit is connected with the temperature sensor and is used for measuring the temperature of an atomic gas chamber of the atomic magnetometer, acquiring temperature data of the atomic gas chamber and sending the temperature data to the main control circuit; the master control circuit comprises a PID control module, a DAC module and a DMA module. The PID control module is used for determining a sine wave array peak-to-peak value according to the temperature data; the DMA module is used for transmitting the sine wave array peak-to-peak value to the DAC module; the DAC module is used for outputting sine wave signals according to the sine wave array peak-to-peak value so as to drive the heating module; and the heating module is connected with the atomic gas chamber and is used for heating the atomic gas chamber according to the sine wave signal.

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 embodiment of the invention provides a hydrogen atomic clock temperature control system. The system comprises at least one temperature control subsystem, and the temperature control subsystem comprises a control module, a temperature detection module and a temperature adjusting module. The temperature detection module is arranged on the outer side of a microwave resonant cavity of the hydrogen atomic clock, and the temperature detection module is used for collecting the temperature of the microwave resonant cavity; the temperature adjusting module comprises a refrigerating unit and a heating unit; the refrigerating unit and the heating unit are arranged on the outer side of the microwave resonant cavity; the refrigeration unit is used for cooling the microwave resonant cavity; the heating unit is used for heating the microwave resonant cavity; the control module is electrically connected with the refrigeration unit, the heating unit and the temperature detection module. The control module is used for adjusting the temperature of the microwave resonant cavity through the refrigerating unit or the heating unit. According to the hydrogen atomic clock temperature control system provided by the embodiment of the invention, the limitation that an existing hydrogen atomic clock temperature control system only has a one-way heating function but lacks a refrigeration function is solved, and rapid adjustment and stable maintenance of the temperature are realized.