2670results about "Coil arrangements" patented technology

The present disclosure relates to a heating assembly including an accommodating unit configured to accommodate an aerosol generating article heatable by an induced magnetic field, a spiral coil arranged outside the accommodating unit and configured to generate an induced magnetic field toward the accommodating unit, and a first supporter arranged at a side in the accommodating unit, supporting an outer surface of the aerosol generating article, and separating the outer surface of the aerosol generating article accommodated in the accommodating unit from an inner wall of the accommodating unit, wherein the spiral coil is wound to form a plate shape covering a portion of an outer wall of the accommodating unit, and a center around which the spiral coil is wound is arranged at a point of the outer wall of the accommodating unit.

A wireless power transmission apparatus for induction heating includes: a working coil configured to change operation based on selection of a mode of operation from among a plurality of operating modes, the plurality of operating modes including a wireless power transmission mode configured to wirelessly transmit power and a heating mode configured to heat one or more objects, an inverter configured to output, to the working coil, current at an operation frequency, and a controller. The controller is configured to calculate an eccentricity degree between the working coil and a reception coil of a target object, and control, in the wireless power transmission mode, the operation frequency based on the calculated eccentricity degree while performing wireless power transmission to the target object.

The invention relates to an eddy current heating device for a thermoluminescence element and a heating method. The device comprises a heating disc, a copper coil assembly, a supporting frame, a temperature measuring sensor assembly and a control circuit, the heating disc is in a disc shape, and the copper coil assembly is composed of four multi-layer closely-wound fan-shaped copper coils which are arranged in four quadrant areas of the heating disc respectively; the temperature measuring sensor assembly is provided with four temperature sensors which are embedded into the bottom of the heating disc through heat-conducting glue and connected with the control circuit. The control circuit adopts a PID (Proportion Integration Differentiation) algorithm to independently adjust the current of each sector according to feedback signals of each temperature sensor, realizes rapid temperature rise and accurate temperature control through frequency adjustment and power compensation, and has an over-temperature protection function. According to the device, the temperature of the heating disc can be raised to 300 DEG C within 3 seconds, and the temperature deviation is controlled within + / -0.5 DEG C. Compared with traditional resistance heating, the device has the advantages of being fast in temperature rise, low in energy consumption, high in temperature uniformity, convenient to maintain and the like, and meets the high-precision temperature control requirement of thermoluminescence measuring and reading equipment.

Aerosol provision devices are described. One such device comprises a receptacle configured to receive aerosol generating material, wherein the receptacle comprises a susceptor which is heatable by penetration with a varying magnetic field. The device further comprises an insulating member extending around the susceptor, wherein the insulating member is positioned away from the receptacle to provide an air gap around the susceptor. The device further comprises an inductor coil extending around the insulating member such that the insulating member is positioned between the inductor coil and the susceptor, wherein the inductor coil is configured to generate the varying magnetic field.Another such aerosol provision device comprises: a susceptor configured to receive aerosol generating material, wherein the susceptor is heatable by penetration with a varying magnetic field; an insulating member extending around the susceptor, wherein the insulating member is positioned away from the susceptor; an inductor coil extending around the insulating member such that the insulating member is positioned between the inductor coil and the susceptor, wherein the inductor coil is configured to generate the varying magnetic field; and an outer cover forming at least a portion of an outer surface of the aerosol provision device, wherein an inner surface of the outer cover is positioned away from an outer surface of the susceptor by a distance of between about 4 mm and about 10 mm.

The invention relates to an aluminum bar permanent magnetic induction heating method for extruding an aluminum alloy profile, which mainly solves the problem of poor heating uniformity of an aluminum bar heated by electromagnetic induction in the prior art, and comprises the following steps of: a, placing the aluminum bar on a conveying mechanism for conveying, pushing the aluminum bar into a conveying channel of a heating mechanism through a pushing mechanism, and heating the aluminum bar in the conveying channel; the aluminum bar is arranged in a composite magnetic field generated by the permanent magnet assembly; b, a gradient magnetic field is formed through alternate arrangement of permanent magnet polarities of the permanent magnet assembly, meanwhile, the electromagnet generates a high-frequency alternating magnetic field through alternating current, eddy current is excited on the surface of the aluminum bar through the magnetic field coupling effect, conduction type heating from outside to inside is achieved, and the electromagnet is independently controlled through a sub-power source of the power source system; local magnetic field compensation is realized through independent current control, and the compensation range is + / -0.3 T; c, the temperature of the aluminum bar is detected through an infrared temperature sensor and fed back to a control system, and the distance between the permanent magnet unit and the aluminum bar is dynamically adjusted.

The invention discloses full-automatic coil bending equipment, which belongs to the technical field of coil bending and comprises a bending head connected with an external driving mechanism, a central column is fixedly connected to the center of the top end of the bending head, a wire passing groove is formed in the inner side of the bending head, and a guide roller for clamping and guiding a copper wire is rotatably arranged at the wire passing groove through a support. A driven counting roller is arranged on the surface of the guide roller in an engaged mode, and an electromagnetic induction heating coil used for heating the copper wire is arranged on one side of the bending head. According to the copper wire bending device, the guide roller, the driven counting roller and the electromagnetic induction heating coil are arranged, when the correlation photoelectric sensors rotate to the mutually aligned positions, the electromagnetic induction heating coil heats the bending position of a copper wire, stress generated when the copper wire is bent can be greatly reduced, the surface of the bending position becomes flat, and the bending quality of the copper wire is improved. And the coil can be better attached to the iron core, so that the mounting stability of the coil is ensured.

The utility model provides a coil panel and cooking equipment, and relates to the technical field of cooking equipment. The coil disc includes: a first heat insulating member; the coil is arranged on the first side of the first heat insulation part and can generate heat radiation and an electromagnetic field after being electrified; the magnetic part is arranged on the second side, away from the coil, of the heat insulation part; and at least part of the second heat insulation component is located between the first heat insulation component and the magnetic part, and the first heat insulation component and the second heat insulation component are made of different materials.

The invention provides an aerosol generating device and a coil assembly thereof, the aerosol generating device comprises a control assembly, the control assembly transmits an electric signal to the coil assembly through an electric connection part, the coil assembly comprises a ceramic substrate, a conductive heating body and a temperature feedback element, the ceramic substrate defines a heating cavity, and the conductive heating body is arranged in the heating cavity. The heating cavity is used for accommodating an aerosol forming substrate; the conductive heating body is arranged on the ceramic base body, and the conductive heating body heats the aerosol to form a substrate so as to generate aerosol; the temperature feedback element is arranged on the inner side or the outer side of the heating cavity and used for obtaining temperature related information of the conductive heating body and feeding back the temperature related information to the control assembly. The ceramic base body integrates the conductive heating body and the temperature feedback printed circuit, precision of temperature feedback control is achieved, real-time feedback adjustment can be conducted on the coil circuit according to the preset temperature, and stability and precision of the heating process are guaranteed.

An apparatus for an aerosol generating device may include a heating circuit to heat a heating arrangement. The heating arrangement is arranged to heat an aerosol generating material to thereby generate an aerosol. The apparatus may include a temperature sensing arrangement to sense a temperature of the device. The apparatus may include a controller to control a supply of energy to the heating circuit. The controller may determine a characteristic that is indicative that energy is being supplied to the heating circuit over a given time period, and a change in temperature sensed by the temperature sensing arrangement. The controller may take a control action if, based on the determined characteristic and the increase in temperature sensed by the temperature sensing arrangement. The controller may determine that one or more predetermined criteria that are indicative of a fault with the temperature sensing arrangement are satisfied.

Aerosol-generating device (10) comprising a tubular heat-conducting element (28) comprising a cylindrical inner surface (23) forming a curved plane. The cylindrical inner surface at least partially defines a chamber (16) for receiving at least a portion of an aerosol-generating article (102) so that an aerosol-generating article received within the chamber directly contacts the cylindrical inner surface. The aerosol-generating device also comprises an inductor coil (24) extending around at least a portion of the heat-conducting element. The inductor coil is arranged in direct contact with an outer surface (21) of the tubular heat-conducting element. The aerosol-generating device also comprises a power supply (42) and control circuitry (40) connected to the inductor coil and configured to provide an alternating electric current to the inductor coil such that, in use, the inductor coil generates an alternating magnetic field.

The utility model discloses an electromagnetic induction heating module, heating equipment and a slab production line, and relates to the technical field of induction heating. The heating module comprises a shell, a coil, and a first magnetic conductive assembly, a second magnetic conductive assembly and a third magnetic conductive assembly which are sequentially arranged along the length direction of the coil, the first magnetic conductive assembly and the third magnetic conductive assembly respectively correspond to two side parts of a to-be-heated object, and the second magnetic conductive assembly corresponds to the middle part of the to-be-heated object; the first magnetic conductive assembly and the third magnetic conductive assembly each comprise a first magnetizer which is matched with the coil and can move up and down, and the second magnetic conductive assembly comprises a second magnetizer which is matched with the coil and is fixed. By adjusting the gap between the first magnetizer and the to-be-heated object, the heating temperature of the area corresponding to the to-be-heated object is adjusted, and the temperature uniformity of the to-be-heated object in the width direction is achieved.

The invention discloses automatic welding equipment for metal workpiece machining, and relates to the technical field of welding, the automatic welding equipment comprises a base, two fixing seats and a welding machine, and further comprises a positioning mechanism; a pretreatment mechanism; the adjusting mechanism is used for driving the turntable to rotate; the interlayer welding auxiliary treatment mechanism comprises rapping assemblies mounted at the top and the bottom of the partition plate correspondingly and a polishing assembly mounted in the center of the top of the base; the positions of the upper thick pipe and the lower thick pipe are adjusted through the adjusting mechanism, an oxidation layer at the welding position is removed in cooperation with the interlayer welding auxiliary processing mechanism, meanwhile, reciprocating knocking is conducted on the welding position of the thick pipes, alternating stress generated by vibration can promote interlayer residual stress to be released, follow-up welding deformation is reduced, and welding quality is improved. By removing the oxide layer and releasing the residual stress in interlayer welding, the thick pipe splicing welding quality is effectively improved, and the thick pipe splicing welding efficiency is guaranteed while the thick pipe splicing welding quality is improved.

The utility model discloses an adjusting structure for induction coils of an intermediate frequency furnace, which comprises an adjusting assembly, the adjusting assembly comprises a plurality of stabilizing rods and an adjusting rod, the plurality of stabilizing rods and the adjusting rod are uniformly arranged along the outer circumferences of a plurality of groups of induction coils, and each stabilizing rod and the adjusting rod are uniformly sleeved with a plurality of movable connecting blocks along the length direction of the stabilizing rod and the adjusting rod; and the plurality of connecting blocks on the same layer are fixedly arranged with the corresponding induction coils. A driving motor is controlled to start, so that the driving motor drives an adjusting rod to rotate, the adjusting rod rotates and drives a connecting block at the lowermost end to rotate through an external thread, under the action of a transmission pair and the connecting rod, a plurality of groups of induction coils are contracted or expanded in the length direction of the adjusting rod, and the density among the plurality of groups of induction coils is adjusted; and therefore, the heated position and the temperature distribution of the heating material can be conveniently controlled and adjusted, the heating effect of heating materials with different temperature requirements is improved, and meanwhile, the heating stability is also improved.

The utility model provides a coil panel and cooking equipment, and relates to the technical field of cooking equipment. The coil disc includes: a heat insulating member; the winding is arranged on the heat insulation part, the winding is spirally wound on the heat insulation part to form a coil, and the coil comprises a plurality of coil layers in the radial direction of the coil; wherein the distance between two adjacent coil layers is the radial interval of the coil, and the coil comprises a plurality of radial intervals; in the plurality of radial intervals, at least one radial interval is different from the other radial intervals. The coil panel has the electromagnetic heating capacity and the thermal radiation heating capacity at the same time, the universality of the induction type heating cooking utensil is improved, and the technical effects of optimizing the structure of the coil panel, widening the application range of the coil panel, improving the practicability of the coil panel and reducing the production cost of the coil panel are achieved.

The utility model relates to the technical field of battery manufacturing, and provides a battery cell heating device and battery cell production equipment, the battery cell heating device comprises a mounting frame with two mounting seats, a battery cell jig and at least two groups of heating components, each group of heating components comprises two coil components, the coil components can form a magnetic circuit to carry out electromagnetic heating on a battery cell, and the coil components are arranged on the mounting frame. Different groups of heating assemblies can form heating areas with different sizes; one of the two coil assemblies of the same group of heating assemblies is connected to one of the mounting seats, and the other one of the two coil assemblies of the same group of heating assemblies is connected to the other mounting seat, so that the multi-station battery cell heating device is realized, and a battery cell can be placed at one group of heating assemblies with a proper heating area for heating according to the size of the battery cell during heating; and during model changing, the battery cell can be selectively placed at a proper heating assembly for heating according to the size of the battery cell to be heated, so that the compatibility of the battery cell heating device to the battery cells with different sizes is improved.

To provide an inductor for use in an aerosol provision device.SOLUTION: The inductor includes an electrically conductive element and a secondary coil. The element includes an electrically conductive non-spiral first portion 601 coincident with a first plane, an electrically conductive non-spiral second portion 602 coincident with a second plane that is spaced from the first plane, and an electrically conductive connector 603 that electrically connects the first portion 601 to the second portion 602. The electrically conductive element is configured such that, when a varying electrical current is applied to the electrically conductive element, a corresponding varying electrical current is induced in the secondary coil.SELECTED DRAWING: Figure 6

The utility model discloses a coil panel assembly and an electromagnetic heating device, and relates to the technical field of electromagnetic heating, the coil panel assembly comprises a support and at least one pair of winding units, in the pair of winding units, the current directions of the two winding units are set to be opposite, so that opposite magnetic poles are formed in the middle parts of the two winding units, and the winding units are arranged on the support. In at least one winding unit, a magnetic pole formed in the middle of the winding unit is close to one side of the corresponding second winding ring section, so that the magnetic field can be coupled with the position of the corresponding pot wall from one side close to the edge of the support, and the current directions of the lead sections, close to each other, of the two adjacent first winding ring sections are consistent. The distance d between every two adjacent first winding ring sections is larger than or equal to 5 mm, so that the magnetic field intensity of the wire connecting area between every two adjacent winding units is adjusted, the heating concentration degree of the corresponding pot bottom is weakened, and the heating uniformity of the pot can be further improved.

The invention provides a coil panel and cooking equipment, and relates to the technical field of cooking equipment. The coil disc includes: a heat insulating member; the winding is arranged on the heat insulation part, the winding is in a strip shape, the winding is spirally wound on the heat insulation part to form a coil, and the electrified coil can generate an electromagnetic field and heat radiation.

A multi-magnetic field induction heating device relates to the technical field of induction heating devices and comprises an induction heating power supply, a load matching slot circuit and an induction coil. The induction heating power supply comprises a three-phase rectifier bridge, a direct-current chopper circuit and a multi-cascade full-bridge inverter circuit; the three-phase rectifier bridge converts alternating current commercial power into direct current, and the direct current chopper circuit changes direct current output voltage rectified by the three-phase rectifier bridge and then inputs the direct current output voltage into the multi-cascade full-bridge inverter circuit; the multi-cascade full-bridge inverter circuit comprises 2n solid-state switches VT1-VT2n which form m bridge arms and provide output current for the (n-1) induction coils at the same time, and n, m # imgabs0 # 2; the induction heating power supply and the induction coil are subjected to optimal impedance matching by adjusting a load matching slot circuit; according to the utility model, simultaneous output of the plurality of induction coils is realized to heat a workpiece, power instability caused by coupling among the plurality of coils is effectively reduced, and stable control of the heating temperature of the workpiece is realized.

The invention discloses a bridgeless three-level induction heating device and a control method thereof, and relates to the field of induction heating. The bridgeless three-level induction heating device comprises a filtering module, a bridgeless three-level inversion module, an LLC resonance module and a coil module. The filtering module is connected with a power grid to filter high-frequency noise of power grid signals; the bridgeless three-level inversion module is connected with the filtering module so as to receive the power grid signal cleaned by the filtering module, and the bridgeless three-level inversion module converts the power grid signal into high-frequency alternating current and outputs the high-frequency alternating current; the bridgeless three-level inversion module does not comprise a rectifier bridge; the LLC resonance module is connected with the bridgeless three-level module so as to receive the high-frequency alternating current, and the LLC resonance module generates a resonance effect based on the high-frequency alternating current so as to realize energy transmission; the coil module is connected with the LLC resonance module, and the coil module generates an alternating current electromagnetic field based on the high-frequency alternating current to realize induction heating. By omitting a rectifier bridge, the circuit structure is simplified, and the loss in the energy conversion process is reduced.

The invention belongs to the technical field of high-frequency quenching coils, and particularly discloses a high-frequency induction quenching coil capable of uniformly heating, which is characterized by comprising a coil diameter self-adaptive mechanism and a coil rotating mechanism, the coil diameter self-adaptive mechanism comprises an elastic induction coil, a centrifugal collecting assembly and a sliding guide mechanism, the elastic induction coil is arranged in the sliding guide mechanism in a sliding mode, and the centrifugal collecting assemblies are evenly distributed in the sliding guide mechanism in an annular mode. According to the scheme, a control scheme based on the rotating speed is adopted, the elastic induction coil is collected in cooperation with the balancing weight and the collecting rope, the technical prejudice that the diameter of a rotating object is increased along with increasing of the rotating speed is overcome, and the technical effect that the higher the rotating speed is, the smaller the diameter of the elastic induction coil is is is achieved; and meanwhile, the electric brush and the two semicircular extension plates are alternately connected in the rotating process, so that the frequency can be automatically regulated and controlled.

A heating device for heating liquids, and in particular for generating steam, has an internally arranged flow-through water pipe, which consists at least partially of inductively heatable material. An annular outer water chamber with inner and outer walls extends around the flow-through water pipe at a distance. A circulating liquid pipe runs multiple times around the flow-through water pipe in this outer water chamber in a helical pattern and rests against the flow-through water pipe. An induction heating coil is provided radially outside the circulating liquid pipe and the outer water chamber and extends over at least 50% of the length of the heating device. The outer water chamber, or its inner wall, is sealed against the flow-through water pipe and thermally connected to it.

The embodiment of the invention relates to the technical field of electronic atomization, and discloses a control method and an aerosol generating device.The control method comprises the steps that after a heating starting instruction is received, a power source is controlled to provide corresponding energy for an induction coil in multiple time periods according to the mapping relation between the time periods and energy parameters, and the corresponding energy is supplied to the induction coil; wherein the energy provided by the time period consists of a plurality of high-frequency driving pulses, and the duration of the time period is greater than or equal to 500ms. Compared with a conventional mode which depends on the real-time temperature and the temperature curve of the heater for control, on one hand, starting from the energy demand characteristics in the aerosol-forming substrate baking process, the set energy in each time period adapts to the baking process characteristics, and energy supply is controlled in different time periods; the aerosol with good taste can be generated, and the taste and the smoking experience can be improved. And on the other hand, the dependence on a temperature detection device can be eliminated, the problem of insufficient or excessive heat absorption of the aerosol forming substrate caused by inaccurate temperature detection is avoided, and the hardware cost can be effectively reduced.

Disclosed is an article for use with apparatus for heating smokable material to volatilize at least one component of the smokable material. The article includes a mass of smokable material. An exterior of the article has a length (L), a width (W) perpendicular to the length (L), and a depth (D) perpendicular to each of the length (L) and the width (W). The length (L) is greater than or equal to the width (W), and the width (W) is greater than the depth (D).

The invention provides an electro-thermal conversion system based on electromagnetic induction, and the system comprises a fluidized bed which is provided with a gas inlet, a gas outlet, a material inlet and a material outlet, and is used for placing solid particles; the induction coil is hollow inside, is arranged in the fluidized bed and is used for being connected with a power supply end; wherein cooling gas is introduced into the induction coil, and the induction coil is filled with insulating particles; wherein the induction coil is electrified to generate a magnetic field, the solid particles are heated, target gas is introduced into the fluidized bed to enable the solid particles to be in a fluidized state, meanwhile, the cooling gas is introduced into the induction coil and exchanges heat with the induction coil under the assistance of the insulating particles, and the induction coil is cooled. Through the system provided by the invention, the problems of large coil loss and difficult coil cooling in the current electromagnetic induction heating technology are solved.

An aerosol provision device generates an aerosol from aerosol-generating material. The device has a receptacle defining a heating zone for receiving at least a portion of an article containing aerosol-generating material. The receptacle includes a peripheral wall and a protrusion protruding into the heating zone from the peripheral wall. A cut arrangement is formed in the peripheral wall and at least partially defines the protrusion.

To provide an induction heating cooker capable of suppressing the generation of a beat sound while operating a plurality of heating coils.SOLUTION: An induction heating cooker comprises: a first coil; a second coil; a third coil that is arranged so as to be arranged to the first and second coils; a top plate; one inverter circuit that supplies a high-frequency current to each coil; a first relay unit that is connected to between the first coil and the inverter circuit; a second relay unit that is connected to between the second coil and the inverter circuit; and a control part. The control part is constructed so as to execute any one of a plurality of operation modes. The plurality of operation modes contains: a first operation mode that supplies the high-frequency current to the first and third coil from the inverter circuit; and a second operation mode that supplies the high-frequency current to the second and third coils from the inverter circuit.SELECTED DRAWING: Figure 6

The invention belongs to the technical field of induction heating, and discloses a general induction heating system based on parametric simulation and an implementation method thereof, and the general induction heating system comprises an induction heating furnace system model, a simulation platform, a sensor and monitoring module and a control unit; the induction heating furnace system model comprises an induction furnace system and a crucible system, modeling is carried out on the induction furnace system through the simulation platform, and an alternating magnetic field is generated; modeling the alternating magnetic field and the crucible system through a simulation platform, and simulating heat energy generation and temperature change caused by eddy current; the sensor and monitoring module is used for detecting heat energy and temperature and transmitting data to the control unit; and the control unit is used for debugging parameters of the induction heating furnace system model, and then operating the induction heating furnace system model through the simulation platform to obtain optimal parameters and corresponding optimal heat energy generation and temperature change.

There is provided an inductively heating aerosol-generating device configured to generate an aerosol by heating an aerosol-forming substrate, the device including a receiving cavity configured to receive the aerosol-forming substrate; an induction source configured to generate an alternating electromagnetic field; and a susceptor assembly configured and arranged to inductively heat the aerosol-forming substrate within the receiving cavity under influence of the alternating magnetic field generated by the induction source, the susceptor assembly including a first susceptor and a second susceptor, the first susceptor including a first susceptor material having a positive temperature coefficient of resistance, and the second susceptor including a second ferromagnetic or ferrimagnetic susceptor material having a negative temperature coefficient of resistance. There is also provided an aerosol-generating system including the aerosol-generating device and an aerosol-generating article for the aerosol-generating device, the article including an aerosol-forming substrate.

The invention belongs to the technical field of WPT systems, and particularly relates to a heat matrix coupling mechanism and a WPT system space magnetic focusing enhancement design method. The heat matrix coupling mechanism comprises a centrosymmetric transmitting mechanism and a receiving mechanism opposite to the transmitting mechanism; the transmitting mechanism comprises three identical transmitting coils, each transmitting coil is formed by winding np turns of main coils, and the circle centers of all the main coils forming one transmitting coil are distributed on the same straight line; the circle centers of the outermost main coils of the three transmitting coils are connected in pairs to form a regular triangle; the circle centers of the other main coils except the main coil on the outermost side in each transmitting coil are arranged in a manner of retracting inwards at equal intervals from outside to inside in sequence towards the center-of-gravity direction of the regular triangle; the receiving mechanism comprises a receiving coil, the receiving coil is formed by winding ns turns of secondary coils, and the circle centers of all the secondary coils are the same; the method does not depend on any auxiliary coil or circuit, so that the mutual inductance utilization rate is improved.