219results about "Microwave heating" patented technology

The present invention relates to an apparatus for absorbing microwaves in the form of a high-frequency, high-power microwave beam. The apparatus (50) comprises a load (20) and a deflection device (10). The load (20) is a bolometer device having a receiving cavity and comprises a hollow body (21) with the receiving cavity. The receiving cavity has an opening (25). The deflection device (10) comprises a body with a cavity, a first opening (15) of the cavity, and a second opening (16) of the cavity. The second opening (16) is connected to a transmission line (30) of a microwave beam (100). The cavity of the deflection device (10) comprises at least two focusing mirrors (11, 12) therein. The at least two focusing mirrors (11, 12) are a first focusing mirror (11) and a second focusing mirror (12).

A flexible instrument comprises an antenna having a distal tip portion, a proximal base, and an antenna body therebetween. The antenna body comprises a patterned cylindrical structure having a proximal end coupled to the proximal base and a distal end coupled to the distal tip portion. The flexible instrument is configured to generate a radiation pattern from the antenna to ablate tissue.

The utility model discloses a combined microwave oven, including the body with furnace cavity, be equipped with circuit assembly in the body, circuit assembly includes main control circuit and mechanical timer, be equipped with control panel on the body, be equipped with timing knob and function button on control panel, timing knob with mechanical timer is connected, and mechanical timer is used for controlling the working length of time of microwave oven, main control circuit with function button is connected for adjusting the firepower state of microwave oven according to the control signal of function button input. Adopt the utility model to have the convenient operation effect of mechanical type microwave oven again, and have the accurate firepower gear position control effect of electronic type, and the whole practicality is high, can satisfy the use demand of different users to the maximum.

Various reusable microwave oven covers or enclosures configured to inhibit food and liquid splattering during microwave oven cooking or heating. A microwave oven cover assembly may include a housing configured for covering a food item during microwave oven cooking, the housing having a closed end and an open end. The cover assembly may further include a rim coupled to the housing at the open end, the rim having a first rim portion couplable to a second rim portion at a corner to provide structural strength to the rim. The rim can be configured for gripping by a user to move the cover assembly on to or off a food item during microwave oven cooking. Optionally, the cover assembly can include a magnet assembly or a non-magnetic handle assembly for moving or storing the cover assembly.

The invention refers to a household microwave oven (1), comprising an oven cavity (4) for receiving cooking goods, a magnetron (6) for emitting microwaves, a waveguide (8) for guiding the microwaves from the magnetron (6) to the oven cavity (4), and a directional coupler (30) aligned at the waveguide (8) in a way to detect an amount of microwaves travelling through the waveguide (8) and to emit a coupler signal (C) based on the detection of the microwaves. Further, the microwave oven (1) comprises a controller (10) connected with the directional coupler (30) for signal transmission of the coupler signal (C) and indirectly with the magnetron (6) for operational control, wherein the controller (10) is configured to derive, during an operational state of the microwave oven (1), from the coupler signal (C) information about microwaves travelling through the waveguide (8) and to perform controlling of the operational state of the microwave oven (1) based on that information.

This application discloses a cooking device and its control method, apparatus, and storage medium. The control method includes: acquiring first information about food to be heated, the first information including the type and weight of the food; determining a first control strategy based on the first information; wherein the first control strategy includes multiple cooking stages and operating parameters corresponding to each cooking stage, the multiple cooking stages including at least a first cooking stage and a second cooking stage; sequentially controlling the operation of a microwave device and a hot air device of the cooking device in the first cooking stage according to the first control strategy, and sequentially controlling the operation of a hot air device and a dehumidification device of the cooking device in the second cooking stage.

This invention discloses a microwave heating system for a precision temperature-controlled reactor, comprising: a microwave power radiator including at least two antenna units arranged around the reactor for radiating microwave energy into the reactor; a multiplexed feed network having multiple independent branches, each branch connected to one of the antenna units, and configured to selectively direct energy to the corresponding branch and antenna unit according to the frequency of the input microwave; a controllable power source connected to the input of the multiplexed feed network for generating microwave energy with adjustable frequency and power; a stirrer disposed inside the reactor for stirring materials; and a temperature sensor for monitoring the temperature of the materials inside the reactor. The controllable power source is configured to: select and activate different antenna units by adjusting the frequency of the output microwave based on the feedback signal from the temperature sensor and a preset temperature curve, and control the heating intensity by adjusting the power of the output microwave, thereby achieving zoned closed-loop heating of the materials inside the reactor.

An apparatus for and a method of microwave heating of rotatable articles includes at least one microwave radiation source, at least one wave guide and a heating chamber for receiving a rotatable article which includes a material absorbing microwave radiation. Each microwave radiation source is connected to the heating chamber via at least one wave guide having at least one inlet in a lateral wall of the heating chamber. The heating chamber includes at least two covers in the form of an area defined by an inner and outer circumference. At least one cover is vertically slidable relative to the lateral wall of the heating chamber in combination with a stationary ring on the outer circumference of said area and at least one extendable portion on the inner circumference of said area. The method allows for direct and selective heating of the heated portion of the rotatable article.

A microwave drying device and method based on a multimode extended interaction oscillator are disclosed. The device includes a drying chamber, a drying unit, a detection unit, a control unit, a transmission unit, and a dehumidification unit. The drying unit includes a multimode extended interaction oscillator, a mode converter, a waveguide dual directional coupler, a detector, and an attenuator. The multimode extended interaction oscillator outputs microwave signals toward the drying chamber. The detection unit includes an infrared temperature sensor and an infrared humidity sensor, the signal output terminals of which are respectively connected to the signal input terminals of the control unit. The control unit outputs signals to control the operation of the drying unit, the detection unit, and the dehumidification unit. This invention discloses a microwave drying device based on a multimode extended interaction oscillator, which has a simple structure and is easy to operate. Through the combined application of the drying unit, the detection unit, the dehumidification unit, and the control unit, it can accurately adapt to the drying needs of different materials.

This utility model relates to the field of microwave hot air furnace technology and discloses an easily detachable shell mechanism for a microwave hot air furnace, including a base, a main frame fixedly installed at the top of the base, a front cabinet door fixedly installed at the front end of the main frame, a top cover plate installed at the top of the main frame, and the frame at the top of the main frame matching the top cover plate; a left side plate and a right side plate are installed in the two side frames of the main frame, and the left side plate and the right side plate have the same structure. By installing the main frame on the base, the various frame structures on the main frame correspond to the shell structures on each side. Each side of the main frame is provided with a positioning structure for positioning the shell structure. During installation, the shell on each side can be embedded into the respective side of the mounting frame for limiting, and then screws are installed sequentially at the connection points for fixing, thus completing the installation of the shell, which is quite convenient.

The utility model discloses an industrialization microwave continuous type high temperature device, including: support chassis, be provided with the placement site on support chassis, be used for placing the sample board that has sample, the casing, form microwave resonance cavity in its inside, microwave source device is used for feeding microwave to microwave resonance cavity, reaction channel, can be penetrated wave, set up microwave resonance cavity inside, it includes: outer layer channel, and the inner layer channel of detachable setting in outer layer channel, telescopic power component, telescopic setting on support chassis, through telescopic push the sample board that places in placement site moves to drive the multiple sample board that is located at one side of placement site moves and in turn passes the inner layer channel. The utility model provides an industrialization microwave continuous type high temperature device, and it can realize the continuous high temperature heating of large quantities of samples, satisfies the demand of industrialization processing production.

The utility model provides a kind of microwave stirring device and cooking equipment, the microwave stirring device is arranged on waveguide assembly and include motor, the motor is connected with the stirrer transmission by connecting rod, for driving the rotation of the stirrer;The microwave stirring device further include inductive piece electrically connected with control module, the inductive piece is located the side portion of the connecting rod and with the connecting rod not contact, the connecting rod is provided with extension plate, the extension plate rotates synchronously with connecting rod, the inductive piece extension plate passes and can produce signal.The utility model can monitor whether stirrer is normal in real time, avoid to appear security risk due to stirrer abnormal work;Without physical contact between connecting rod and inductive piece, small operating resistance also can avoid the contact oxidation or elasticity failure caused by friction of traditional microswitch, to prolong service life.

A cooking device with at least one cooking region comprises a control unit (2) configured to be coupled with a communication interface (12,16) for receiving voice signals as control commands from a user or data signals as control commands from a remote control device. The control unit (2) is configured for controlling a power supply to the at least one cooking region (4-1,4-2,4-3). The control unit (2) is configured to accept commands from the communication interface (12,16) only upon recognition of the presence of the user.

The application provides a cooking assembly and a microwave oven. The cooking assembly is applied to the microwave oven. The cooking assembly has a cooking cavity. A cavity bottom wall of the cooking cavity is formed with a plurality of first microwave feed openings. The cooking assembly comprises a microwave generator and a waveguide channel. The microwave generator is used to generate microwaves. The waveguide channel is used to conduct the microwaves generated by the microwave generator to the cooking cavity through the plurality of first microwave feed openings. The waveguide channel comprises a plurality of standing waves arranged along the propagation direction of the microwaves. The cavity bottom wall is equally divided into a plurality of sub-zones along the propagation direction of the microwaves. The number of the sub-zones is the same as the number of the standing waves. At least one first microwave feed opening is arranged in each sub-zone. The center of each sub-zone is taken as the origin of the corresponding four quadrants. The first microwave feed openings of two adjacent sub-zones are arranged in pairs. The absolute value of the difference between the number of the quadrants in the sub-zone where the same pair of the first microwave feed openings is arranged is 2. The cooking assembly and the microwave oven provided by the application can improve the radiation efficiency.

The application provides a microwave air-frying oven, which comprises a shell, an inner shell arranged in the shell, an inner cavity of the inner shell forming a cooking cavity, an air inlet hole arranged at the top of the inner shell, an air outlet hole arranged at the rear of the inner shell, a heating pipe assembly arranged at the top of the inner shell, a fan assembly arranged at the rear of the inner shell and having an air outlet, a fan cover assembly arranged at the top of the inner shell and forming an air duct between the top of the inner shell and the fan cover assembly, the air duct having an air inlet end with a larger diameter than that of a tail air end, the air inlet end being communicated with the air outlet, air generated by the fan assembly flowing through the air outlet, the air inlet end, the air duct and the air inlet hole in sequence to form hot air, the hot air entering the cooking cavity and being discharged from the air outlet hole to form a circulation, a rotating disc rotatably arranged at the inner side of the bottom of the inner shell, and a frying basket assembly arranged on the rotating disc. The application has a reasonable structure layout, the air duct between the fan cover assembly and the top of the inner shell is designed in a form that the air inlet end is spacious and the tail air end is narrow, which is beneficial to improving the wind power, increasing the air pressure and improving the cooking effect.

The present application relates to the technical field of phosphoric acid production, and particularly relates to a method and device for purifying and preparing electronic-grade phosphoric acid by using microwave temperature control technology. The method comprises the following steps: S1, using a composite impurity removal agent to perform chemical precipitation pretreatment on industrial-grade wet-process phosphoric acid, and adjusting the concentration after solid-liquid separation; S2, performing microwave temperature control concentration on the pretreated liquid at a vacuum degree of 0.085-0.095 MPa and a temperature of 160-220 DEG C to obtain a concentrated liquid with P2O5 of 85% or more; S3, performing crystallization, sweating and chelating resin ion exchange deep impurity removal on the concentrated liquid; and S4, performing decolorization, super-clean filtration and dilution and filling to obtain electronic-grade phosphoric acid finished products. The present application also provides a special device. The present application is coupled by microwave concentration and multi-stage deep impurity removal, the concentration efficiency is improved by 30%-50%, the energy consumption is reduced by more than 30%, the finished product metal impurity is less than or equal to 10 ppb, and the finished product meets the GB / T1282-2011 standard; the device adopts high-purity PTFE anticorrosion lining to avoid secondary pollution and is suitable for large-scale industrial production.

The present invention relates to a microwave heating method and unit (1) for heating an aerosol-forming sample (2) by microwave absorption by a material (102) of said sample (2), in particular for emitting at least one aerosol by or from said sample (2) upon heating of said sample (2), in particular in or as an inhalation, vaporizer and / or smoking product or device (1'), in particular for medical and / or pulmonary drug delivery applications. The microwave heating unit (1) comprises: (i) a sample holding and exposing unit (10) configured to receive and hold a sample (2) in a holding and exposing space (15) and expose the sample (2) to a microwave radiation field (25) in the holding and exposing space (15); (ii) a microwave radiation generating and / or emitting unit (20) configured to emit the microwave radiation field (25) into the holding and exposing space (15); and (iii) an impedance matching unit (30) configured to achieve impedance matching between the holding and exposing space (15) and the microwave radiation field (25).

In a vacuum microwave thawing machine, the thawed state of the object being thawed is stabilized at the end of the process without increasing the thawing time. [Solution] The control device 60 is configured to use, in defrosting control, the vacuum level sensor 58 is located between the vacuum pump 30 and the defrosting chamber R1, and in defrosting control, the control device 60 is located in a piping 37 that connects the vacuum pump 30 and the defrosting chamber R1, and switches between a connected state and a disconnected state. The control device 60 is located between the vacuum pump 30 and the piping 37 and the piping 37 and detects the vacuum level, which is the internal pressure inside the defrosting chamber R1, when the piping 37 is connected. The control device 60 is configured to use, in defrosting control, the vacuum level detected by the piping 37 in the connected state, as well as the pressure value detected by the piping 60 in the disconnected state.

The invention relates to a household appliance device (10), in particular a cooktop device, with a holding unit (12) which is designed to hold at least one user interface element (14). To improve the design, it is proposed that the holding unit (12) has a base element (16) and at least one rigid holding element (18) which is designed to hold the user interface element (14) and is movable relative to the base element (16).

The present invention provides an electronic steam supply device, an electronic steam supply system, and a method for generating steam. [Solution] The electron vapor supply device 301 comprises at least one antenna 315 for generating radio frequency (RF) electromagnetic radiation for heating an aerosol-generating material to produce vapor, and a controller 330 for controlling one or more characteristics of the RF electromagnetic radiation generated by the at least one antenna, the controller being configured to vary one or more characteristics of the RF electromagnetic radiation during one or more heating cycles.

The application discloses a cover assembly and a microwave cooking appliance applying the same, and relates to the technical field of kitchen appliances. The cover assembly comprises an inner cover and a microwave shielding door. The microwave shielding door is elastically connected with the inner cover through an elastic element. One side of the microwave shielding door, which is opposite to the inner cover, is provided with a closed end face. The closed end face is used for abutting against the pot body assembly, so that the microwave cavity can be closed. The elastic force direction of the elastic element is arranged at an angle with the plane where the closed end face is located. The microwave shielding door further comprises a choke structure, which is used for eliminating the microwave escaping from the gap between the microwave shielding door and the pot body assembly. The technical scheme provided by the application aims to reduce the gap between the cover assembly and the pot body assembly, improve the airtightness between the cover assembly and the pot body assembly, and avoid microwave leakage.

A control method for a microwave cooking appliance (100), a control apparatus (14) for a microwave cooking appliance (100), a computer-readable storage medium, and a microwave cooking appliance (100). A heating chamber of the microwave cooking appliance (100) is used for placing a load to be heated, microwave sources are used for emitting microwaves to the heating chamber so as to heat said load, the microwave sources include a first microwave source (10) and a second microwave source (12), the first microwave source (10) comprises a semiconductor microwave source, and the second microwave source (12) comprises a magnetron microwave source. The control method comprises: controlling a first microwave source (10) to emit microwaves into a heating chamber, and acquiring the current output power of the first microwave source (10) and the reflected power in the heating chamber; and on the basis of the current output power of the first microwave source (10) and the reflected power, controlling the first microwave source (10) to work independently or controlling the first microwave source (10) and a second microwave source (12) to work together.

The application discloses a cathode filament, a cathode assembly, a magnetron and a microwave cooking appliance. The cathode filament has a spiral structure, and a filament material of the cathode filament comprises a filament core and a carbonized layer, the carbonized layer at least wraps the filament core in a circumferential direction of the filament core, a material of the filament core comprises lanthanum tungsten material, and the carbonized layer comprises a lanthanum tungsten carbonized layer. In the cathode filament, the material of the filament core comprises the lanthanum tungsten material, and the carbonized layer comprises the lanthanum tungsten carbonized layer, which reduces the work function of the cathode filament to a certain extent, improves the migration ability of rare earth elements in the cathode filament, and thus the electron emission ability of the cathode filament can be improved to a certain extent, so that the magnetron can adapt to more power requirements of the microwave cooking appliance.

This utility model relates to the technical field of microwave ovens, and provides a switching mechanism and a microwave oven, including: a positive terminal, a negative terminal, a first micro switch, a second micro switch, a fuse, and a power-consuming unit; the positive terminal, the fuse, the first micro switch, the power-consuming unit, and the negative terminal are sequentially electrically connected to form a first electrical circuit; the positive terminal, the fuse, the first micro switch, the second micro switch, and the negative terminal are sequentially electrically connected to form a second electrical circuit.

A cooking appliance including a heater that is vertically movable in a cooking chamber is proposed. The cooking appliance includes a casing having a cooking chamber therein, a door rotatably provided at one portion of the casing and opening and closing the cooking chamber, a heater provided at one portion of the casing and generating heat, a movable heater system provided at one portion of the casing and allowing the heater to be movable in the cooking chamber, and a detection function of detecting whether or not the heater is brought into contact with food in the cooking chamber or is spaced apart from the food at a predetermined distance and a function of detecting recovery of the heater to the original position. With the cooking appliance, there is an advantage in that cooking efficiency is improved and malfunction or damage to parts is prevented.

The application provides a cooking device, and relates to the technical field of cooking devices.The cooking device comprises a magnetron, a transformer and an anode assembly and a filament.The transformer comprises a hollow framework, a magnetic core assembly and a primary winding, a secondary winding and a filament winding which are wound on the framework.The magnetic core assembly is partially inserted into the framework.The secondary winding is used for supplying power to the anode assembly, and the filament winding is used for supplying power to the filament.The filament winding is located between the primary winding and the secondary winding.The cooking device provided by the application can realize the functions of low-power hot milk micro-boiling without spilling, low-power microwave thawing and low-power microwave fermentation.

An aerosol generating device and a control method and control device therefor, and a readable storage medium. The aerosol generating device includes a housing (102) having a resonant cavity (104); a first resonant column (106) arranged in the resonant cavity (104) and disposed at the top of the resonant cavity (104), the first resonant column (106) being hollow to allow an aerosol generating substrate (200) to be arranged therein; a second resonant column (108) arranged in the resonant cavity (104) and disposed at the bottom of the resonant cavity (104); and a microwave assembly (110) arranged on the housing (102). The microwave assembly (110) includes a first microwave-feeding portion (112) and a second microwave-feeding portion (114). The first microwave-feeding portion (112) is configured to feed microwave to the top of the resonant cavity (104), and the second microwave-feeding portion (114) is configured to feed microwave to the bottom of the resonant cavity (104). The aerosol generating device can heat at least two portions of the aerosol generating substrate (200), thereby increasing heating efficiency of the aerosol generating substrate (200), accelerating generation of aerosol, increasing heating uniformity of the aerosol generating substrate (200), and increasing working efficiency of the aerosol generating device.

A folded dipole patch antenna for use in a hyperthermia applicator is described. The antenna includes a dielectric circuit board, and a folded dipole microstrip antenna. The dielectric circuit board has a top side and a bottom side. The folded dipole microstrip antenna is formed on the top side and includes two meander paths mirror each other. A pair of parallel metallic strips is located on the bottom side. A coaxial feed port is connected to the pair of parallel metallic strips. The antenna is configured to resonate in a frequency range of about 434 MHz upon application of an input signal at the coaxial feed port. The folded dipole patch antenna has a small size and does not require an impedance matching circuit. The hyperthermia applicator is configured to emit microwave energy toward a target tissue within a human body.

The utility model discloses a waterproof safety box for microwave technology relates to microwave technology field, including box and its inside setting have water collecting structure, water collecting structure includes bottom disc, and bottom disc extends from center to all around and presents the inclined shape, and the top center fixedly connected with the gasket ring of bottom disc, and the four -sided side of bottom disc all fixedly connected with water collecting groove, and two adjacent water collecting groove are linked together, and the outer side wall fixedly connected with the slide bar of water collecting groove, and the inside wall of box is provided with the matching sliding slot, and the side fixedly connected with the stop bar of box is located the position of sliding slot top, the tray structure is installed to the inside center position of box, uses the microwave oven every time, through the design of water collecting structure, makes liquid to be able to flow to water collecting groove smoothly, avoided liquid flow to the motor position of bottom, thereby reached waterproof effect, and the user can intuitively observe the water amount condition, need not additional power device and sensor, thereby reduced cost.