160results about "Dielectric heating electrodes" patented technology

The invention discloses an electric flame stove capable of effectively inhibiting ozone overflow. The electric flame stove comprises a stove body, a burner mounted on the stove body and a hydrogen pipe, according to the plasma burner, the electrodes are adopted for spraying hydrogen, so that the hydrogen can be quickly diffused in the plasma burner and is in full contact with ozone generated by discharging, the ozone is timely converted into harmless substances such as oxygen and the like, ozone overflow is reduced to the maximum extent, and the risk caused by insufficient combustion of the hydrogen is also reduced; according to the invention, the electrodes are adopted to inject hydrogen, so that additional ejectors are reduced, the manufacturing cost is reduced, and the structure of the electric flame stove is simplified; according to the invention, the electrodes are used for spraying hydrogen, so that the plasma obtains higher temperature, and the plasma spraying speed and spraying distance are improved; according to the furnace end, due to the simplified structure and the simple mounting and dismounting mode, the mounting and maintenance difficulty and workload are greatly reduced.

An electronic device includes: a housing configured to provide a space capable of receiving an object to be heated; a first electrode and a second electrode for forming an electric field in the space in which the object to be heated is received; and a floating electrode disposed between the first electrode and the second electrode, the floating electrode being positioned inside the object to be heated when the object to be heated is disposed in the space.

The invention provides an electromagnetic generation device and microwave equipment. The electromagnetic generating device comprises an anode piece and a cathode piece, a cathode cavity and a resonant cavity communicated with the cathode cavity are defined by the anode piece, a tuning part is arranged on the cavity wall of the resonant cavity, and the electric size of the resonant cavity is adjusted through the tuning part; and the cathode piece is arranged in the cathode cavity. The electromagnetic generation device provided by the invention can reduce the electromagnetic wave frequency.

Provided is a dielectric heating apparatus for heating a first ink and a second ink that adhere to a medium. The first ink contains carbon black, and the second ink does not contain carbon black. The dielectric heating apparatus includes: a first electrode unit as an electrode unit configured to heat the first ink and the second ink, the first electrode unit including a first electrode and a second electrode that face the medium; and a first voltage application unit configured to apply an AC voltage having a frequency of 300 MHz or more and 300 GHz or less to the first electrode and the second electrode.

A hair styling appliance is described having a pair of electrodes, a chamber located between the electrodes for receiving a section of hair, and a drive unit for applying an alternating voltage to the electrodes to heat the hair dielectrically. The electrodes have a fixed spacing.

Disclosed herein is a hair styling appliance that includes electrodes and a control system that, during operation, energises the electrodes to heat hair dielectrically. A shielding bounds the electrodes to block an electromagnetic field that is generated by the electrodes when energised. Further, a sensor assembly is located outside of the shielding, and the sensor assembly is used to sense a property of hair for the hair styling appliance.

A base disposed in a plasma processing chamber. An electrostatic chuck disposed on an upper portion of the base, the electrostatic chuck including a first part and a second part. A first heater electrode layer group including at least one heater electrode layer disposed in the first part. A second heater electrode layer group including at least one heater electrode layer disposed in the second part. A power source is electrically connected to the first heater electrode layer group and the second heater electrode layer group. A controller configured to periodically and sequentially supply DC current from the power source to heater electrode layers included in the first heater electrode layer group and heater electrode layers included in the second heater electrode layer group.

A radio frequency (RF) dielectric heating system includes a solid-state RF power generator, a matching network electrically coupled to the RF power generator, and a dielectric heating applicator electrically coupled to the matching network and including electrodes for applying RF power to a dielectric material. A solid-state RF power generator can include a power supply, an RF power amplifier stage electrically coupled to the power supply, and a control system electrically coupled to and configured to control the RF power amplifier stage. The control system can be configured to regulate an output voltage of the RF power generator to provide a constant RF power generator output current to maintain a constant voltage across the applicator electrodes. Examples of RF power generators and methods for RF dielectric heating are also disclosed.

Provided is an aerosol-generating device (120) for dielectrically heating an aerosol-forming substrate (110). The device (120) comprises an oscillation circuit (150) and an electrode arrangement coupled to the oscillation circuit. The electrode arrangement forms a load capacitor for dielectrically heating the aerosol-forming substrate. The electrode arrangement comprises a first electrode interdigitated.

The present invention provides a drying device capable of heating a liquid adhered to a recording medium more uniformly. The drying device of the present invention includes a heater, which is configured at a predetermined interval relative to the recording medium and dries the liquid coated on the recording medium by high frequency. The drying device is characterized in that the heater has a first electrode and a second electrode, the first electrode is connected to a power supply that outputs the high frequency, the second electrode is connected to the power supply that outputs the high frequency and is separated from the first electrode at a predetermined interval, and the distance between the end of the first electrode and the recording medium is longer than the distance between the central portion of the first electrode and the recording medium.

According to an embodiment of the present invention, an electrode heating device is provided, comprising: a device housing; an electrode heating element accommodated and arranged inside the device housing, comprising a central conductor, an internal conductor arranged on the inner side of the central conductor and forming a gap, and an external conductor arranged on the outer side of the central conductor and forming a gap; a control board accommodated and arranged inside the device housing, for controlling the heating operation of the electrode heating element by supplying power to the electrodes of the electrode heating element.

An embodiment of the present disclosure may provide an electronic device, the electronic device including: a housing for providing a space capable of receiving an object to be heated; a first electrode and a second electrode for forming an electric field in the space in which the object to be heated is received; and a floating electrode disposed between the first electrode and the second electrode, the floating electrode being positioned inside the object to be heated when the object to be heated is disposed in the space. Various other embodiments may be applied.

The present disclosure relates to an induction heating device and a liquid ejection system. A technique is provided in which a liquid adhering to a medium can be uniformly dried without using a sensor that measures the water content in the induction heating device. The induction heating device includes a first heater that has a first electrode and a second electrode that oppose the medium to which a liquid containing water is adhered, and a first coil that is electrically connected in series to the first electrode, and that heats the liquid to dry it, and a voltage application unit that applies an alternating voltage of a predetermined drive frequency to the first electrode and the second electrode. The first heater is configured such that a difference between a resonance frequency of the first heater and the drive frequency in a case where the water content of the medium is in a first range is smaller than a difference between a resonance frequency of the first heater and the drive frequency in a case where the water content is in a second range that is less than the first range, and the amount of heat in the case where the water content is in the first range is greater than the amount of heat in the case where the water content is in the second range.

The present invention relates to a laundry drying machine including a cabinet, a drum rotatably installed in the cabinet to accommodate articles to be dried, and an electric field generator spaced apart from the drum and generating an electric field inside the drum when supplied with power. The electric field generator includes a positive electrode spaced apart from the drum, fixed to the cabinet, and applying an electric field to the articles to be dried accommodated in the drum, a power supply unit supplying power to the positive electrode, and a matcher provided in the cabinet and matching a power source impedance with a load side impedance. In a state where the power is stopped being applied to the positive electrode, the drum rotates at a preset agitating rotational speed, and the agitating rotational speed is greater than 0 and less than 50 rpm, thereby having an effect that the articles to be dried can slide along an inner circumferential surface of the drum without falling.

A system and method for dielectric bonding including a dielectric heater having a pair of opposing electrode plates, a nest removably coupled to a first electrode plate of the pair of electrode plates, and an interchangeable electrode assembly removably coupled to a second electrode plate of the pair of electrode plates. The nest having a plurality of cooling channels defined in a body thereof in which a cooling fluid circulates to cool a material assembly that is supported by the nest. The interchangeable electrode assembly having a plurality of concentrator members that are configured to concentrate energy from a voltage source in predetermined locations on the material assembly.

To provide a technique capable of suppressing retention of steam generated by heating an object to be heated in a dielectric heating device.SOLUTION: A dielectric heating device includes a conveying unit that conveys an object to be heated, an electrode unit including a first electrode and a second electrode to which an alternating voltage is applied, facing in a second direction intersecting the first direction with respect to the object to be heated conveyed in the first direction, and a metal first cover portion surrounding the electrode unit. The first cover portion includes a first insertion port for inserting the object to be heated into the first cover portion, a first delivery port for delivering the object to be heated to the outside of the first cover portion, and a plurality of first openings different from the first insertion port and the first delivery port.SELECTED DRAWING: Figure 5

The disclosed clothes dryer comprises: a cabinet; the roller is rotatably arranged in the cabinet; a plurality of electrodes spaced apart from each other along a circumference of the drum between the cabinet and the drum; an RF power supply unit for applying a voltage to the plurality of electrodes; and a control unit that controls the RF power supply unit to generate an electric field for dielectric heating of the object to be dried accommodated in the drum through the plurality of electrodes.

A high-frequency heating apparatus according to the present disclosure includes a first electrode (11), a second electrode (12), a high-frequency power supply (30), a position adjuster (20), a detector (50), and a controller (60). The second electrode (12) is disposed facing the first electrode. The high-frequency power supply (30) supplies a high-frequency power to the first electrode. The position adjuster (20) adjusts a distance between the first electrode (11) and the second electrode (12). The detector (50) detects a reflected power from the first electrode (11) toward the high-frequency power supply (30). The controller (60) controls the position adjuster (20) based on the reflected power. In this embodiment, a heating target can be heated efficiently.

The present disclosure relates to an inductor assembly, an impedance matching network, and a system including the inductor assembly. An inductor assembly (100) includes: a fixed element (102) having a central core (104) and a support structure (106) coupled to and projecting outwardly from the central core, each of the support structures having an outer edge (108) having a notched profile with a recess (110) extending toward the central core; and a spiral inductor (112) having a plurality of turns located in the recesses of the at least two support structures. The support structures are spaced equidistantly from each other around the central core by air gaps (308). The inductor assembly can be incorporated into an impedance matching network (1100), and one or more impedance matching networks can be incorporated into a defrost system (100). The impedance matching network can be a single-ended network (1100) or a double-ended network (1300).

A drying apparatus is provided. The drying apparatus includes a chamber, a first electrode and a second electrode arranged in the chamber, and facing each other and spaced apart from each other, a power supply configured to apply a voltage to the first electrode and the second electrode, memory, comprising one or more storage media, storing instructions, and one or more processors communicatively coupled to the power supply, the first electrode, the second electrode, and the memory, wherein the second electrode includes a first sub-electrode and a second sub-electrode that are arranged adjacent to each other in a direction parallel to the first electrode, and wherein the instructions, when executed by the one or more processors individually or collectively, cause the drying apparatus to control the power supply to apply a first voltage to the first sub-electrode and to apply the first voltage or a second voltage to the second sub-electrode, the second voltage having a different phase from the first voltage.

A drying apparatus includes: a chamber; a first electrode and a second electrode arranged in the chamber, and facing each other and spaced apart from each other; a power supply configured to apply a voltage to the first electrode and the second electrode; and a controller configured to control the power supply, wherein the second electrode includes a first sub-electrode and a second sub-electrode that are arranged adjacent to each other in a direction parallel to the first electrode, and the controller is configured to control the power supply to apply a first voltage to the first sub-electrode and to apply the first voltage or a second voltage to the second sub-electrode, the second voltage having a different phase from the first voltage.

The present application relates to a dielectric heating device and a printing system. The present application provides a technology capable of suppressing uneven heating while heating both a carbon black-containing ink and a non-carbon black-containing ink attached to a medium. The dielectric heating device of the present application heats a first carbon black-containing ink and a second non-carbon black-containing ink attached to a medium. The dielectric heating device includes a first electrode unit having a first electrode and a second electrode facing the medium as an electrode unit for heating the first and second inks, and a first voltage application unit applying an alternating voltage of a frequency of 300 MHz or more and 300 GHz or less to the first and second electrodes.

The application belongs to the field of food heating, and discloses a method for improving the uniformity of dielectric heating based on a wave-absorbing particle coating, which can uniformly heat a predetermined food stack without directly contacting the surface of the food stack, by setting the density distribution of electromagnetic wave-absorbing particle clusters corresponding to the cold and hot zone distribution of the predetermined food stack, thereby avoiding the negative impact on the original quality of the food stack and reducing the willingness of consumers to purchase. First, the accumulation shape of the predetermined food stack is obtained through simulation, and a corresponding cold and hot zone distribution model is obtained. Then, a hollow heat-conducting element is set to be inserted into the predetermined food stack, the hollow heat-conducting element contains electromagnetic wave-absorbing particle clusters, and the distribution density of the electromagnetic wave-absorbing particle clusters in the hollow heat-conducting element is set based on the cold and hot zone distribution model of the predetermined food stack, thereby realizing the uniform heating of the predetermined food stack. The application also discloses a dielectric heating uniform heating device based on a wave-absorbing particle coating, which can better implement the above method.

The invention relates to a method (10) for operating a heating means (8) of a cooking appliance (1). The heating means (8) is made of a conductive material, and the heating means (8) lies opposite another conductive element (9) of the cooking appliance (1) such that a cooking chamber (6) of the cooking appliance (1) extends between the heating means (8) and the other conductive element (9). According to one aspect of the invention, in an alternating manner, an alternating voltage is applied to or generated on the heating means (8) across from the other conductive element (9) in order to generate an electromagnetic alternating field (11) which passes through the cooking chamber (6) and a current is applied to or generated on the heating means in order to heat the heating means (8) by means of ohmic losses (12). The invention additionally relates to a corresponding cooking appliance (1) which is designed to carry out such a method.

A dielectric heating device is provided. The dielectric heating device includes at least one power source, a load circuit including a plurality of electrodes and at least one inductor, and at least one driving circuit configured to output alternating-current power to the load circuit by using power provided from the at least one power source, wherein the plurality of electrodes include a plurality of top electrodes arranged in substantially the same plane, and one bottom electrode arranged in a plane parallel to the plane formed by the plurality of top electrodes.

To provide a high-frequency dielectric heating method capable of preventing local heating by reducing the concentration of electromagnetic energy at a corner part of a frozen food material even when the frozen food material disposed between electrodes has surface irregularities, and capable of maintaining high heating efficiency of the frozen food material.SOLUTION: There is provided a high-frequency dielectric heating for thawing a frozen food material placed between a pair of electrodes arranged vertically opposite to each other using a high-frequency dielectric heating device including a high frequency power supply that outputs high-frequency power in a MHz band and the pair of electrodes. The method thaws the frozen food material by driving the high-frequency power supply to generate electromagnetic energy between the pair of electrodes in a state in which, with upper surface and lower surface irregularities of the frozen food material being covered with a dielectric body, an upper end of the frozen food material and is substantially flush with an upper end of the dielectric body, and a lower end of the frozen food material is substantially flush with a lower end of the dielectric body.SELECTED DRAWING: Figure 1

A hair styling appliance has a plurality of projections 24 and one or more channels 26, each channel being located between adjacent projections. Each of the projections includes an electrode 44 and th

A refrigerator according to the present invention comprises: a storage chamber capable of freezing and thawing stored objects; a compressor constituting a refrigeration cycle; a damper for adjusting the amount of cold air introduced into the storage chamber; and an oscillation circuit, a matching circuit, an oscillation electrode, a counter electrode, and a control unit that constitute the dielectric heating means, in which a cooling operation is performed by controlling the opening and closing of the damper during freezing of the stored object, and in unfreezing of the stored object, a cooling operation is performed by controlling the opening and closing of the damper. And the dielectric heating mechanism performs dielectric heating action and introduces cold air into the storage chamber through the opening and closing action of the air door.

A radio frequency (RF) dielectric heating system includes a solid-state RF power generator, a matching network electrically coupled to the RF power generator, and a dielectric heating applicator electrically coupled to the matching network and including electrodes for applying RF power to a dielectric material. A solid-state RF power generator can include a power supply, an RF power amplifier stage electrically coupled to the power supply, and a control system electrically coupled to and configured to control the RF power amplifier stage. The control system can be configured to regulate an output voltage of the RF power generator to provide a constant RF power generator output current to maintain a constant voltage across the applicator electrodes. Examples of RF power generators and methods for RF dielectric heating are also disclosed.

To provide a solid oxide fuel cell capable of increasing the heating efficiency and raising the temperature of an inner structure to a target temperature (an operation temperature) in a short time and with low energy.SOLUTION: A solid oxide fuel cell 100 comprises: an electrolyte ceramic 3; an electrode part 1 that comprises an anode electrode 4 and a cathode electrode 5 sandwiching the electrolyte ceramic 3 from both sides; a metal frame 2 arranged around the electrode part 1 so as to sandwich the electrode part 1 from both sides, being physically in contact with the anode electrode 4 and the cathode electrode 5, respectively; and a power feeding port 7 electrically connected with the metal frame 2 to feed high-frequency power to the metal frame 2. The thickness of the electrode part 1 becomes thinner in a predetermined concentration heating region.SELECTED DRAWING: Figure 1