1962results about "Coil arrangements" patented technology

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.

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.

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.

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.

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.

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 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.

Induction heating roller device (100), comprising: a rotatably mounted roller body (2); an induction heating mechanism (3) for inductively heating the roller body (2), wherein the induction heating mechanism (3) is arranged within the roller body (2); and a cooling mechanism (8) having an atomizing device (81) for generating an atomized coolant, wherein the cooling mechanism (8) introduces the atomized coolant from one axial end into a substantially cylindrical space (X) formed between the roller body (2) and the induction heating mechanism (3), and guides the coolant out of the roller body (2) from one axial end of the space (X), wherein the atomizing device (81) is detachably provided on a bearing shaft (6A) provided at one end of the induction heating mechanism (3); and an ejection opening (81s) of the atomizing device (81) is mounted so as to be positioned on the center axis of a cavity (61) formed along the center axis within the bearing axis (6A).

A fixing rotating member comprising: a base material and an electro-conductive layer on the base material; the electro-conductive layer extending in a circumferential direction of an outer peripheral surface of the base material, the electro-conductive layer comprising silver, an average crystal grain size of crystals of the silver observed in a cross section along a circumferential direction of the electro-conductive layer being 20 to 200 nm, and the electro-conductive layer having a volume resistivity of 1.0×10−8 to 8.0×10−8 Ω·m.

The utility model relates to the technical field of metallurgical electric furnaces, in particular to an induction coil for a medium-frequency electric furnace, which comprises an induction heating coil, an upper cooling coil positioned above the induction heating coil and a lower cooling coil positioned below the induction heating coil, the upper cooling coil, the induction heating coil and the lower cooling coil are all formed by winding hollow pipe bodies in the same spiral direction, the cross section of the induction heating coil is in a D shape, and the induction heating coil comprises an inner pipe wall, an outer pipe wall and two connecting walls connected between the inner pipe wall and the outer pipe wall. The cross section of the induction heating coil is designed to be D-shaped, the inner pipe wall located on the inner side of the induction heating coil is arranged to be arc-shaped, and the outer pipe wall located on the outer side of the induction heating coil extends in the vertical direction, so that current and magnetic field distribution is optimized, and magnetic field energy acts on the surface of a workpiece on the inner side of the induction heating coil more intensively; energy loss is reduced, the heating speed of workpieces is increased, and the heating efficiency of the medium-frequency electric furnace is improved.

The utility model relates to the technical field of heating pipes, and provides a quick-heating electromagnetic heating pipe, which comprises a fixed seat and a connecting seat, a heating pipe is arranged at the top of the connecting seat, an electromagnetic coil is sleeved on the peripheral surface of the heating pipe, a top seat is fixedly arranged at the top of the heating pipe, and the top seat is fixedly arranged on the top of the heating pipe through structures such as a movable block and a clamping block. During mounting, the bottom of the connecting base is aligned with a mounting groove formed in the fixing base to be inserted, when two clamping blocks arranged in the connecting base in a sliding mode move to one side of a clamping groove formed in the mounting groove, first springs can eject the clamping blocks into the clamping groove, and fixing is completed at the moment; disassembly can be completed by pulling the movable block through the receding rod to pull the guide rod and the clamping block together, and the effect of convenient disassembly is achieved. By means of the technical scheme, the problems that in the prior art, rapid installation and disassembly cannot be achieved, and protectiveness is insufficient are solved.

The present invention provides a liquid cartridge that can be inserted into an electrically heated smoking article, the liquid cartridge comprising: a liquid composition; an absorbent soaked with the liquid composition; and wrapping paper wrapped around the side of the absorbent in a cylindrical shape measuring 7 to 20 mm long and 5 to 8 mm in diameter, wherein the absorbent has a sufficient absorption rate to absorb 70 to 120 mg of liquid composition and keep the same in the liquid cartridge, and also provides an electrically heated smoking article and an aerosol generating device and system therefor, the electrically heated smoking article comprising: a filter; a liquid cartridge located upstream of the filter; and a tobacco filler containing shredded tobacco located upstream of the filter and located upstream or downstream of the liquid cartridge, wherein the filter, liquid cartridge, and tobacco filler are wrapped in wrapping paper to form a smoking article.

Provided herein is an aerosol-generating device for generating aerosol from an aerosol-generating material. The aerosol-generating device comprises a heating assembly including one or more heating units arranged to heat, but not burn, the aerosol-generating material 202 in use and a controller for controlling the one or more heating units. The controller is programmed such that, during a session of use, at least one of the one or more heating units is powered so as to be heated to a plurality of different temperatures sequentially, and each time that the heating unit is heated to a new temperature which is higher than a previous temperature the new temperature is less than 120° C. greater than the previous temperature and the heating unit is held at the new temperature for at least 0.5 seconds.

An aerosol-generating device is provided, including: a housing defining a chamber configured to receive at least one susceptor and at least one aerosol-forming substrate, the chamber having a length along a longitudinal axis thereof extending from a first end of the chamber to a second end of the chamber; and an inductor coil provided within the housing, disposed around the chamber, and extending along at least a portion of the length of the chamber, the inductor coil including a first portion disposed closest to the first end of the chamber, a second portion disposed closest to the second end of the chamber, and a third portion disposed between the first and the second portions, and a number of turns per unit length in the third portion is less than a number of turns per unit length in one or both of the first and the second portions.

To enable heating over substantially the entire circumference of a joint portion between a first pipe body and a second pipe body in a high-frequency induction heating device.SOLUTION: A high-frequency induction heating device comprises a coil 3 having a surrounding portion 9 that covers a part of the outer circumference of a joint portion between pipe bodies 1 and 2, and a coil 4 having a surrounding portion 9 that covers another part of the outer circumference of the joint portion between the pipe bodies 1 and 2. The surrounding portions 9 substantially cover the outer circumference of the joint portion. The coil 3 is connected to a power supply 6 including a resonator 5, and the coil 4 is connected to a resonator 7. The coil 3 is provided with a magnetic coupling portion 8, and the coil 4 is provided with a magnetic coupling portion 8 that is magnetically coupled to the magnetic coupling portion 8 of the coil 3.SELECTED DRAWING: Figure 1

A susceptor heating element is provided for an aerosol-generating device, the susceptor heating element being configured to heat an aerosol-forming substrate when received in the aerosol-generating device, and the aerosol-forming device including an induction coil configured to generate an alternating magnetic field when an alternating current is provided to the induction coil, the susceptor heating element being formed from a shape-memory material. An aerosol-generating article is also provided.

An induction heating device provides improved user experience and user interface. The induction heating device includes a first control module that senses a working coil disposed below an object to be heated among a plurality of working coils, and a second control module that controls an input interface to display an image for indicating an optimal heating position of any one object to be heated among a plurality of objects arranged close to each other. The image for indicating the optimal heating position is displayed when there is an interference between vessels.

A vapor generation device and a susceptor thereof are disclosed. The susceptor is in a blade shape extending in an axial direction of a cavity, and includes: a first part having a first size in a thickness direction, and a second part having a second size in the thickness direction, the second size being greater than the first size. An accommodation cavity extending in the axial direction is further arranged in the second part, and the accommodation cavity is configured to accommodate or encapsulate a temperature sensor that senses a temperature of the susceptor. The vapor generation device and the susceptor of this application encapsulates or accommodates the temperature sensor in the susceptor. Hence, a sensing part may be basically insulated from the impact of the magnetic field, and the susceptor and the temperature sensor may be integrated to increase stability of mounting and accuracy of temperature detecting.

An aerosol generating device includes a housing that forms an exterior of the aerosol generating device, and includes an opening into which a cigarette is inserted, a heater that generates an aerosol by heating the cigarette, a battery that supplies power to the heater, a temperature sensor that senses a temperature of an internal component of the aerosol generating device, and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.

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 a plurality of winding groups, and a plurality of installation areas are formed on the support; the plurality of winding groups are arranged corresponding to the plurality of mounting areas, at least one winding group is arranged to be a first winding group, the first winding group comprises a plurality of winding units, the plurality of winding units are distributed along the peripheries of the mounting areas, and two adjacent winding units are arranged to be opposite in current direction; therefore, the two adjacent winding units form opposite magnetic poles. According to the technical scheme, the technical effect that the pot wall of the small pot can be heated in at least one installation area can be achieved.

A fixing rotating member that includes: a cylindrical base member comprising at least a resin; an electro-conductive layer on the base member; and a resinous layer on a surface of the electro-conductive layer, the surface being opposed to a surface facing the base member, the electro-conductive layer extending in a circumferential direction of an outer circumferential surface of the base member, the electro-conductive layer containing silver, the electro-conductive layer having a volume resistivity of 1.0×10−8 to 8.0×10−8 Ω·m, and the electroconductive layer having a compressive elastic modulus of 8 to 30 GPa, the elastic modulus being measured by contacting an indenter with a first surface of the electroconductive layer opposite to a surface facing the base member, and the elastic modulus being an average value of elastic moduli of a thickness region of 0.1 to 0.2 μm from the first surface of the electroconductive layer.

The invention relates to the technical field of electromagnetic coils, in particular to a Halbach array planar coil structure unit. The Halbach array planar coil structure unit is composed of a first substructure, a second substructure and a third substructure. According to the invention, a planar electromagnetic coil is adopted to form a Halbach array permanent magnetic field effect; the invention discloses a Halbach array permanent magnet structure, and aims to solve the problems that the existing Halbach array permanent magnet structure is difficult to miniaturize and rigid, cannot get rid of the limitation of permanent magnet materials, is difficult to realize a sine distribution magnetic field in a real sense and is low in electromagnetic utilization rate.

The present disclosure relates to a method and a corresponding arrangement for producing a hardened sheet metal product. The method includes placing a sheet metal piece in a heating station and heating selected areas of the sheet metal piece in the heating station by means of induction. In this process, a coil induces currents that flow in a front metal layer on a front side of the coil. Opposing ends of the front metal layer are interconnected by a low resistance short-circuiting arrangement running on a rear side of the coil. The short-circuiting arrangement comprises a material with lower resistivity than the front metal layer. The heated piece is moved to a pressing station, where it is pressed while the heated areas are cooled.

There is provided a method of controlling an aerosol-generating system including an aerosol-generating device including a cavity to receive an aerosol-forming substrate, an inductive heating arrangement including an inductive heating element including a susceptor heatable by penetration with a varying magnetic field to heat the substrate, first and second inductor coils, and a power supply; the method including initiating heating of the substrate in the cavity by a first varying current in the first coil to generate a first varying magnetic field that heats a first portion of the element, and controlling the first current to increase a temperature of the first portion with a first profile; and subsequently driving a second varying current in the second coil to generate a second varying magnetic field that heats a second portion of the element, and controlling the second current to increase a temperature of the second portion with a second profile.

The invention relates to a temperature control induction heating system for surfacing of the inner wall of a nuclear power main pump shell. The system is formed by splicing a top induction heating tool, a bottom induction heating tool and a plurality of side induction heating tools through a stainless steel connecting frame, and an intelligent temperature control system. The intelligent temperature control system is composed of a distributed temperature measurement sensor, a central control unit and a man-machine interaction terminal. The heating method comprises the steps of tool assembly, preheating, dynamic interlayer temperature control in the surfacing process, programmed postweld heat treatment and data recording and dismounting. The device has the advantages that the device is adaptive to the special-shaped curved surface of the pump shell through modular design, the power of each tool is dynamically and independently adjusted, the problems of uneven temperature and low efficiency of a traditional heating mode are solved, and the surfacing quality and the process traceability are remarkably improved.

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, a plurality of winding units and a shielding structure, each winding unit is annularly arranged and is provided with a first winding ring section close to the center of the support and a second winding ring section close to the edge of the support, and in one pair of winding units, the current directions of the two winding units are opposite, and the shielding structure is arranged between the two winding units. In at least one winding unit, the magnetic pole formed in the middle of the winding unit is close to one side of the corresponding second winding ring section, and the magnetic pole formed in the middle of the winding unit is close to the other side of the corresponding second winding ring section. Therefore, the magnetic field can be coupled with the position corresponding to the pot wall from one side close to the edge of the bracket, so that the problems that the heating effect of the existing induction cooker on the pot wall is poor, and a relatively large magnetic field is easily generated around the coil panel to cause mistaken heating are solved.