65results about How to "Control heating power" patented technology

The invention relates to a capacity-self-adaptive pulping method which comprises the following stages: (1), a preheating stage, to be specific, starting a heating device for heating to T1, continuously heating to T2, wherein delta T is equal to T2 minus T1, calculating out electric energy consumed when the temperature is increased to T2 from T1 by a control device, wherein a preset heat efficiency coefficient eta and a specific heat capacity c are stored in the control device, m represents the pulping capacity, and W<electricity> represents electric energy, and calculating out the pulping capacity by the control device according to the law of conservation of energy, namely heating electric energy*eta is equal to thermal energy absorbed during temperature increase and the formula is that (eta)W<electricity> is equal to cm(delta)T; (2), a smashing stage, to be specific, adjusting smashing frequency, smashing time and / or smashing power by the control device according to the pulping capacity; (3), a decocting stage, to be specific, adjusting the heating time and / or heating power by the control device according to the pulping capacity. Therefore, intelligent optimization of pulping parameters is realized and an optimum pulping effect is realized.

The invention relates to a method and a device for preventing liquid in a pot from overflowing. The method comprises the following steps: detecting the liquid level of the liquid in the pot, and transmitting a control instruction to a cooking robot when detecting that the liquid level of the liquid in the pot reaches preset height, wherein the control instruction is used for indicating to reduce the heating power of the cooking robot. The heating power of the cooking robot can be controlled timely, so that the liquid in the pot can be prevented from overflowing, the proportional relation between the liquid and the food in the pot is guaranteed, and the taste of the finally cooked food is improved; and furthermore, the liquid in the pot is prevented from overflowing, so that the liquid cannot enter a circuit of the cooking robot and the safety during cooking by the cooking robot is improved.

The invention relates to a filter device (26) with a heater and a water sensor, in particular to a liquid filter, which comprises a filter element (32) arranged in a filter housing (28), a heater (36) for heating up a medium and a water sensor (50; 38, 40) for detecting water collected in the filter housing (28). The filter element (32) flows through the above medium.The heater (36) is designed together with the water sensor (50; 38, 40) as a structural unit.The invention is characterized by comprising a central control device (16) and the central control device (16) is used for controlling the structural unit constituted by the heater (36) and the water sensor (50; 38, 40).

The invention discloses a film-coating method for forming gradient colors on a glass surface. According to the method, partial shielding is performed at an upper position of an evaporation source of an electron gun by using a specific color-matching baffle plate, so that two transition gradient colors are formed by a deposition material on the glass surface, and a plurality of gradient effects are formed by adjusting a shape, a size and a shielding position of the color-matching baffle plate. The film-coating method specifically comprises the following steps: S1, selection of a film-coating material; S2, design of a color-matching baffle plate; and S3, optical gradient film-coating. Compared with a traditional gradient color film-coating process, the method is simple and easy to control, and a coating film with a predetermined gradient effect can be formed by only needing to adjust a shape, a size and a shielding position of the color-matching baffle plate, controlling a heating power of the electron gun and a heating time.

The invention discloses a probe system multi-filed loading device, which comprises a multi-field loading box, a horizontal mobile platform, a cantilever rod, a fixed support with a slide rail, a transmission shaft, a servo motor, a probe and a force sensor, wherein the multi-field loading box is fixed on the horizontal mobile platform, a sample is fixed on a box bottom, a perform hole is sealed through a sealing rubber ring, the top portion of the probe is contacted with the sample, the bottom portion of the probe is connected with the force sensor, the force sensor is arranged in the front end of the cantilever rod, and is not contacted with the sealing rubber ring, the servo motor drives the transmission shaft to rotatably control the probe to vertically move, and achieves to load a force filed and a deformation field, the outer portion of the servo motor can be connected with a vacuum pump and a humidity controller, and a box body is embedded into a ring-shaped heating bar and an iron bar which twines a copper wire, is used to load a heating field and a magnetic filed, and loads an optical field through a panel. The probe system multi-filed loading device can supply load of vacuum degree, humidity, the force field, the deformation filed, an electric field, the heating field, the magnetic filed and the optical field, and is strong in anti-jamming ability and reliable and accurate in test result.

The invention discloses an electric heating device and system. The device comprises a heating body, two electrodes and a ceramic shell, wherein the two electrodes are connected to the two ends of the heating body, a cavity is formed inside the ceramic shell, the heating body is placed in the cavity, a notch which penetrates through the thickness direction of the ceramic shell and is communicated with the cavity is formed in the top of the ceramic shell, and the heating body is of a spiral structure. Due to the position of the spiral structure, the spiral axis of the spiral structure is approximately perpendicular to the extending direction of the notch from top to bottom, and a pair of twisted optical fibers extending in the thickness direction of the ceramic shell can enter the position between two spiral rings of the spiral structure downwards from the notch. Due to the facts that the electric-heating mode is adopted in the electric heating device, the heating body is of the spiral structure and is clamped by the ceramic shell, and the optical fibers are heated between the two spiral rings of the spiral structure, heating is even and stable, and the defect that flame heating is not stable or even enough is overcome. Meanwhile, temperature heat stress and structural heat stress are distributed reasonably, and positions with stress concentration do not exist.

The invention discloses a heating furnace. The heating furnace is applicable to the Hopkinson pressure bar experiment and is used for heating a specimen on a pressure bar. The heating furnace comprises a furnace body, a heating element and a temperature control system; the heating element, which is fixed in the furnace body, comprises a silicon-molybdenum element and / or a carbon-molybdenum element, wherein the pressure bar can be inserted in the furnace body and the specimen is heated by the heating element; the temperature control system is electrically connected with the heating element. By arranging the silicon-molybdenum element and / or the carbon-molybdenum element as the heating element in the heating furnace, the highest heating temperature of the heating furnace can be increased to about 1200 DEG C and the speed of temperature rise is remarkably increased at the same time, moreover, because of the arrangement of the temperature control system, the heating power of the heating element can be conveniently controlled on the basis of the measured temperature of a thermocouple fixed on the specimen, consequently, optimal heating efficiency can be quickly reached, the heating precision can be increased, and meanwhile, the heating time can be shortened.

The invention provides a control method for an induction cooker and the induction cooker. The induction cooker comprises an induction cooker body and a pot body with a pot cover; the pot cover is provided with a metal outer edge; a first control panel and a first temperature sensor are arranged in the induction cooker body; and a second control panel and a second temperature sensor are arranged on the pot cover. The control method comprises the steps that the second control panel detects the electric potentials of any two points on the metal outer edge of the pot cover and judges whether a potential difference exists between any two points or not; if the potential difference exists, that the pot cover is on the pot body is judged, and the second control panel sends a first indication message to the first control panel; and the first control panel controls the induction cooker body to adjust the heating power of the induction cooker body with the temperature detected by the second temperature sensor according to the received first indication message. According to the control method for the induction cooker and the induction cooker, the position state of the pot cover can be judged through the electric potentials of the metal outer edge of the pot cover, and therefore the phenomenon that the external environment influences the judgment can be avoided, and accurate control on the cooking process can be realized.

The invention relates to a micro heating disk and a manufacturing method thereof as well as a micro heating disk system. The micro heating disk comprises a substrate, an insulating supporting layer, aresistance heating layer and a temperature sensing unit, wherein the annular temperature sensing unit is arranged at the periphery of the substrate. According to the micro heating disk disclosed by the invention, by the arrangement of the annular temperature sensing unit arranged at the periphery, a contact area of the temperature sensing unit and the environment is enlarged, and the accuracy ofsensed ambient temperature is high; the temperature sensing unit works at room temperature, so that the long-term stability is high; meanwhile, an annular metal layer can effectively shield the influence of external electromagnetic interference on the work of a micro heating disk chip; furthermore, the temperature sensing unit can precisely sense a temperature change of a surrounding environment in real time and automatically transmit the acquired temperature to control heating power of a heating region to stabilize the working temperature of the chip; the micro heating disk is convenient andquick.

The invention relates to a system for preparation of bio-oil, activated carbon and synthetic gas by microwave pyrolysis. The system consists of a nitrogen generator, a water vapor generator, a microwave pyrolysis reactor, condensers, bio-oil storage tanks, synthetic gas buffer tanks, a suction fan and a synthetic gas storage tank. The nitrogen generator and the water vapor generator are connectedto an air inlet at the top of a microwave generator through a pipeline, an air outlet at the top of the microwave generator is connected to the condensers through a pyrolysis gas pipeline, the bottomsof the condensers are connected to the bio-oil storage tanks, the air outlets of the condensers are connected to the synthetic gas buffer tanks through a pipeline, circulating water cools in a circulating water refrigerating machine and then flows through the condensers through a pipeline for circulating cooling, the suction fan is connected to the synthetic gas buffer tanks and the synthetic gasstorage tank, one part of the synthetic gas is stored by the storage tank, and the other part of the synthetic gas is returned as the gas for activating biochar to the microwave pyrolysis reactor through a pipeline to convert biochar into activated carbon.

The invention provides a heater of a micro-boiling heat-transfer experimental device, which comprises a shell, a cover plate, a connecting bolt and a heating copper block, wherein the heating copper block is a cone-shaped table, a hole matched with the top of the cone-shaped table of the heating copper block is arranged on the shell, the top of the heating copper block is positioned in the hole on the shell, the bottom of the heating copper block is arranged on the cover plate, the cover plate and the shell are connected by the connecting bolt, an insulation sleeve is arranged in the contact position of the heating copper block and the shell, and the bottom or the inner part of the heating copper block is provided with a heating rod. The heater can realize heat transfer experiments with high heat-flow density, the heat-flow density of a heating surface can reach 107W / m2 so that a critical thermal load phenomenon is ensured not to happen, and simultaneously air bubble behaviors during micro-boiling can be observed.

The present invention provides rapid heat device, including a liquid working medium capacity part, located in the lower of the rapid heat device and containing liquid working medium; a heat transmission part, connected with the liquid working medium capacity part and sealed by evacuation, the ratio range of the sum of the capacity of the heat transmission part and the liquid working medium and the volume of the liquid working medium is 85:1 to 1.5:1; an electric heating element, set in the liquid working medium capacity part, the outer of the electric heating element is covered with metallic wool, and heating power of the electric heating element per 3.5 capacity is between 400W-2500W; and a temperature controller, for controlling the rapid heater inner temperature. The rapid heat device of the invention rapidly transmits heat of the working medium via vacuum space, resloves the problem of environment protection, safety, energy saving and efficiency in the present technology.

Provided is an induction heating cooker which prevents overheating of a pan whose bottom is warped to protrude and a pan having a thick bottom. The induction heating cooker is provided with a heatingcoil (2) for inductively heating a cooking container; an inverter circuit (7) for supplying the heating coil with a high frequency current; an infrared sensor (3) for detecting an infrared ray radiated from the cooking container; a power integrating section (81) for integrating a heating power outputted from the inverter circuit; and a heat control section (82) for controlling output from the inverter circuit. When the integration value obtained by the power integrating section is less than a prescribed value when an output increase quantity of the infrared sensor reaches a first prescribed value after heating is started with a first heating power, heat control mode is shifted to first heat control mode. When the integration value obtained at the power integrating section is at a prescribed value or higher, the heat control mode is shifted to second heat control mode. In the first heat control mode, the heating power is suppressed to a second heating power, which is lower than the first heating power. In the second heat control mode, heating is performed with a third heating power which is higher than the second heating power.

The invention relates to a double M-shaped electric heating device for multi-core optical fiber fusion, which is used in a fusion tapered system to prepare optical passive devices. A double M-shaped electric heating device for multi-core optical fiber melting, the double M-shaped heating device is composed of two identical M-shaped graphite heating elements and a ceramic cover, the first M-shaped graphite heating element and the second M-shaped graphite heating element The concave structure in the middle of the body forms a ring-shaped area as a heating area. The M-shaped heating element should be placed in a ceramic cover, and the internal structure of the ceramic cover is closely matched with the M-shaped graphite heating element. The invention can conveniently control the heating power, as long as one or more of the three parameters of current, voltage or the resistance of the heating body itself can be changed arbitrarily, the heating power can be changed, and an ideal temperature field can be easily obtained.

The application discloses an alternating voltage zero-crossing detection method based on an alternating voltage detection circuit, wherein the alternating voltage detection circuit is used for rectifying, dividing and filtering an alternating voltage signal and acquiring a voltage acquisition signal with a half-wave waveform. The method comprises the following steps: detecting specific sub-waveforms in a single half-wave in a half-wave waveform by periodically collecting voltage acquisition signals; obtaining the compensation delay of a specific sub-waveforms; and judging the zero-crossing point of the alternating voltage signal according to the specific sub-waveforms and the compensation delay. According to the invention, the zero-crossing detection circuit is not specially designed, thealternating voltage detection circuit is directly utilized, and the alternating voltage zero-crossing detection is carried out by combining a software algorithm, so that the cost can be reduced, and the zero-crossing point can be accurately judged, for example, the alternating voltage zero-crossing detection method can be applied to a cooking appliance. According to the zero-crossing detection result, the heating power of the cooking appliance can be further controlled to improve the cooking efficiency and reliability of the cooking appliance.

The invention discloses a power control method and system for a heat-not-burn smoking set. The power control method and system are used for solving the problem that an existing heat-not-burn smoking set is low in compatibility. The method comprises the following steps: receiving cigarette characteristics input by a user; acquiring first control information associated with the cigarette characteristics; receiving environment characteristics input by the user; acquiring second control information associated with the environment characteristics; and controlling the heating power of the heat-not-burn smoking set based on the first control information and the second control information.

The invention provides a far infrared heating mouse pad. The mouse pad comprises a surface layer, an insulating heat conducting layer, a far infrared heating paper layer, an insulating heat reflectingfilm layer and a bottom layer in sequence from top to bottom, wherein the far infrared heating paper layer comprises two pieces of far infrared heating paper in parallel; the two pieces of far infrared heating paper are connected through a circuit structure; the circuit structure comprises a combination switch; and the combination switch controls a connection mode of the two pieces of far infrared heating paper to be serial or parallel. According to the mouse pad, the far infrared heating paper layer is utilized for heating, so that the heating area is large and the temperature distribution is uniform; and by utilizing the insulating heat reflecting film layer, the heat loss can be reduced; the circuit structure is utilized to control the connection mode of the two pieces of far infraredheating paper, so as to control the heating power, so that the temperature of the mouse pad can be adjusted to increase the hand comfort of the users; and the far infrared heating paper can be used asa heating material which is environmentally friendly and pollution-free and does not damage the human health.

The invention relates to a rolling ball tea greening machine, comprising a hollow rolling ball, a rolling ball bracket, a rolling ball abutment wheel and a fixing machine pole; the hollow rolling ball is rotatably connected with the rolling ball bracket and driven by the rolling ball abutting wheel rolling; the rolling ball abutting wheel is rotatably arranged on the rolling ball support and abuts against the hollow rolling ball; the rolling ball abutting wheel is driven by a first motor fixedly arranged on the rolling ball support; the rolling ball support also It is rotatably connected with the green fixing machine pole; the rolling ball bracket is driven by a second motor fixedly arranged at the connection part between the rolling ball bracket and the green killing machine pole; the hollow rolling ball includes a hollow inner ball and a hollow outer ball; the hollow The inner ball and the hollow outer ball are connected by connecting rods; the outer surface of the hollow inner ball is uniformly provided with an inner ball partition; the inner wall of the hollow outer ball is evenly provided with an outer ball partition; the inner ball partition and the outer ball The partitions are arranged at intervals, and the hollow outer sphere includes a metal heat conduction layer, an electric heating layer and a heat insulation layer which are sequentially arranged from the inside to the outside.

The invention provides a rolling shutter type low-temperature radiant heating film heating method. A rolling shutter type low-temperature radiant heating film comprises an electric heating film, conductive electrodes and wires, wherein the conductive electrodes are arranged on the two sides of the electric heating film, and the wires are connected with the conductive electrodes. The electric heating film, the electrodes and the wires are sealed by using a soft insulating film in an insulated mode. The electric heating film is made of silicon-rubber-based conductive composite materials. The heating film manufactured through the method is flexible as a whole and can be rolled up to be in a rolling shutter type. The rolling shutter type low-temperature radiant heating film can be rolled up when not used and rolled down when used and will not occupy indoor space; the rolling shutter type low-temperature radiant heating film can be used for radiant heating at a low temperature and has the energy saving performance.

The invention relates to a ceramic heating plate for glass bending, which comprises an electric heating wire and a ceramic plate, wherein the electric heating wire is arranged in the ceramic plate to form the ceramic heating plate, so as to heat the two sides of glass. Compared with the prior art, the ceramic heating plate provided by the invention has the advantages that the cost is reduced, the quality is improved, energy sources are fully used, and the functionality of a glass film is ensured.

The invention provides far infrared treatment rehabilitation equipment. The equipment comprises a central controller and at least one carbon fiber plate taking as a heat source. Each carbon fiber plate is formed through splicing a plurality of carbon fiber lattices. Each carbon fiber lattice is connected to a power supply unit and the lattice is provided with a temperature sensor. Each power supply unit and each temperature sensor are electrically connected to a central controller. By using the far infrared treatment rehabilitation equipment, the carbon fiber plate is divided into the plurality of carbon fiber lattices, which means that a heating area is divided into a plurality of sub areas. Each sub area is provided with one carbon fiber lattice. Through each temperature sensor, the real-time temperature of each carbon fiber lattice is fed back to the central controller to control the heating power of each carbon fiber plate so that the temperature distribution of each area of the carbon fiber plate is average as far as possible, a condition that the local temperature of one carbon fiber plate is too high is reduced, and a treatment rehabilitation effect and a user experience feeling are improved.

The invention provides a cooker and a cooker temperature control method. The cooker comprises an electromagnetic oven (1) and a pan (2), the electromagnetic oven (1) is internally provided with an electromagnetic oven control panel (11), the pan (2) comprises a pan body (21) and a handle (22), the pan (2) further comprises a temperature measuring component (23), and the handle (22) is internally provided with a handle control panel (24); a temperature measuring hole (211) is radially formed in the bottom of the pan body (21), one end of the temperature measuring component (23) is inserted intothe temperature measuring hole (211), and the other end of the temperature measuring component (23) is electrically connected with the handle control panel (24); the handle control panel (24) is usedfor collecting temperature signals measured by the temperature measuring component (23), and sending the temperature signals to the electromagnetic oven control panel (11); the electromagnetic oven control panel (11) is used for controlling the heating power of the electromagnetic oven (1) according to the received temperature signals. According to the technical scheme, the temperature control precision of the electromagnetic oven can be improved.

The invention provides a control method and a device for cultivation temperature of a bean sprouting machine and the bean sprouting machine, and aims to solve the problem of the existing bean sprouting machine that the growing situations of bean sprouts are nonuniform due to nonuniform temperature in a cultivation bucket. The control method comprises the following steps of detecting the ambient temperature outside the cultivation bucket of the bean sprouting machine or the temperature in the cultivation bucket; according to the ambient temperature, controlling the preset power of heating of a heating wire on the side wall of the cultivation bucket, or according to the temperature in the cultivation bucket, controlling a water heating device of the bean sprouting machine to start and close; and according to the temperature in the cultivation bucket, controlling a water spraying device of the bean sprouting machine to start and close. The control method, the device and the bean sprouting machine solve the defects of the existing bean sprouting machine that the growing situations of the bean sprouts are nonuniform in winter, and have the advantage that the quality and grade of the bean sprouting machine are improved.

The invention discloses an electromagnetic fixation machine with a variable magnetic field. The machine comprises a driving motor, a frame, a first belt, a second belt, a roller, a shell, a spiral coil, a conductor, a permanent magnet, a permanent magnet fixing piece, a first driving belt wheel, a second driving belt wheel, a rotating disc, a supporting base and a reduction gearbox, the shell is horizontally arranged on the frame, the roller is sleeved by the shell, one end of the roller is provided with a driving shaft, and the outer side of the roller is provided with the spiral coil according to power requirements; the other end of the roller is provided with the conductor; and the permanent magnet fixing piece is fixed on the rotating disc, the rotating disc and the roller are coaxially arranged, the two permanent magnets are arranged at two ends of the permanent magnet fixing piece, and the N poles and the S poles of the two permanent magnets are arranged in opposite directions. The electromagnetic fixation machine adopts the permanent magnet as a stator, the driving motor drives the conductor attached to a roller as a rotor, the rotor continuously cuts different magnetic poles of the permanent magnet to generate alternating current, and the spiral coil is utilized to form a vortex electric field to heat the roller.

The invention discloses a graphite side heater of a layered serpentine polycrystalline silicon ingot furnace, and relates to the technical field of photovoltaic equipment ingot. The graphite side heater comprises 8 side heater monomers, 3 lifting arms, 3 electrodes and 4 corner connecting plates. The side heater monomers are serpentine, an upper layer side heater comprises four side heater monomers, a lower layer side heater comprises four side heater monomers, the lower middle sections of the lifting arms are connected with the upper layer side heater and the lower layer side heater, so thatthe upper layer side heater and the lower layer side heater are connected in parallel, the lifting arms divide the side heater into equal three phases, the electrodes are connected with the top ends of the lifting arms, and the corner connecting plates connect the upper layer side heater monomers and the lower layer side heater monomers, and connect left-right adjacent side heater monomers in eachsame layer. The graphite side heater is designed as an in-parallel upper-lower two-layer structure, the resistance of the side heater can be effectively reduced, the peak power of the side heater canbe improved, and double requirements of G8 and a larger size ingot furnace on the power and the thickness of the graphite side heater can be balanced.

The invention discloses a device and method for quickly repairing thermoplastic plastic automobile parts. The device comprises a casing and a cup; a fan blade driven by a motor, a disk-shaped heatingwire assembly and a labyrinth cover are arranged in the casing; and air holes are used for air circulation and heat transferring. When the cup covers an area to be shaped, an inner part of the casingis divided into an upper sealing cavity and a lower sealing cavity with the position where the fan blade is located as the boundary; and a first valve is installed on the portion, corresponding to theupper sealing cavity, of the casing, and a second valve is mounted on the portion, corresponding to the lower sealing cavity, of the casing. Rapid maintenance of the automobile parts is achieved by controlling forward and reverse rotation of the motor, opening or closing of the valves and on or off of resistance wires. The device can work directly on the surfaces of the thermoplastic plastic automobile parts without detaching automobile body coverage pieces, and the whole repair process is automatic; deformed standard parts can be repaired without replacing the coverage pieces, the structureis simple, the operation is simple, the efficiency is high, and the device can greatly save human effort.

The invention discloses an automatic sealing garbage can and a control circuit. According to the automatic sealing garbage can, a garbage bag opening is automatically sealed through hot melting, and secondary pollution is prevented. The control circuit is used for controlling an execution part of the automatic sealing garbage can and comprises a controller and a packaging and sealing module. The packaging and sealing module comprises a packaging control circuit and a heating control circuit; the packaging control circuit is used for driving the execution component to clamp the opening of the garbage bag; the heating control circuit is used for being connected with the electric heating element, heating the bag opening of the clamped garbage bag, and conducting heat sealing or fusing on the bag opening of the garbage bag. The automatic sealing garbage can comprises the automatic sealing garbage can control circuit, a can body and an execution part, the can body is provided with a throwing opening, and the execution part comprises an electric heating element and a pressing mechanism.

The invention provides a motor heating control method, controller and system based on table look-up and closed-loop control, belonging to the field of motor control. The motor heating control method includes: obtaining in real time the direct-axis current increment corresponding to the closed-loop control mode according to the target heating power and actual heating power of the motor; querying the pre-calibrated Table 1 according to the target torque and actual speed of the motor to obtain the corresponding direct axis current look-up table value; obtain the target direct axis current of the motor according to the direct axis current increment and the direct axis current look-up table value; query the pre-calibrated value according to the target direct axis current and the target torque Table 2 obtains the corresponding target quadrature axis current, so as to pass current to the motor according to the target direct axis current and the target quadrature axis current. The motor heating control method of the invention can realize the continuous control of the heating power of the motor and the simultaneous control of the heating power and torque of the motor.