2284 results about "Heat power" patented technology

Thermal cleaning of an electrically heated smoking device, and in particular the removal of condensates formed within the smoking device as a result of extended periods of use, is achieved with a cleaning system that utilizes inductive heating that provides efficient and intense localized heating in the cleaning process. The thermal power of the inductive heating process is increased or the power necessary to activate the inductive heating process is decreased by the addition of a magnetic shell by itself or in combination with a magnetic pin.

The invention provides an integral forming method of a large size thin-walled titanium alloy cylindrical part without a welding line. The integral forming method comprises the following steps of: (1) tube blank preparation by stamping; (2) high-temperature vacuum heat treatment; (3) heating power spinning thinning; (4) unheating power spinning diameter expanding; (5) repetitive and alternate conduction of steps (3) and (4) for 2-3 times; (6) high-temperature vacuum heat treatment; (7) finish turning treatment; and (8) stabilizing treatment. The integral forming method prepares the large size thin-walled titanium alloy cylindrical part without the welding line (wall thickness is 1-7mm) which has high precision and high performance by utilizing titanium alloy plates and adopting a composite technique combining a stamping method, a spinning method and a stabilizing treatment method, and solves the problems of low material utilization ratio, having longitudinal welding lines, low precision of tube performance and the like in the forging and roll bending welding forming of the large size titanium alloy thin-walled tubes.

The invention discloses a cooking control method of an electric rice cooker. The electric rice cooker comprises a cooker body, an inner container arranged in the cooker body, an upper cover, a heating device, a bottom temperature measurer, an upper cover temperature measurer and a control device used for controlling rice cooking work and arranged on the cooker body, wherein the control device comprises a main controller as well as a first timer, a second timer, a rice-water volume level storage, a temperature storage, a time storage and a heating power storage which are respectively connected with the main controller, and a plurality of powers are preset in the heat power storage. A method for controlling the rice cooking of the electric rice cooker by the control device comprises a heating stage, a boiling stage and a cooking stage. The control device controls the heating device to heat until boiling by using gradually reduced powers. In the invention, the gradually reduced powers are adopted for heating unit boiling at the heating stage, and meanwhile, a boiling state is judged according to the bottom temperature, thus, not only is the problem that a small amount of rice is easy to overflow and be ebullient avoided, but also a large amount of rice can be sufficiently heated to reach the boiling state, and the heating time is effectively controlled.

A machine for the treatment of liquid and semi-liquid food mixtures comprises a mixture whipping and freezing / heating tank (3), a circuit (6) for cooling and / or heating basic products of which the mixture consists, comprising a compressor (7) driven by an electric motor (18), and a mixer (4) rotating inside the tank (3) to mix the basic products. The machine also comprises a control unit (11) for the speed of rotation of the compressor (7) electric motor (18), for regulating the compressor operating speed and varying the thermal power supplied by the compressor (7) according to at least the quantity of mixture treated.

The invention discloses a conducting-stirring friction hybrid heat source welding method and a piece of equipment, wherein, in stirring friction welding, a stir head and a workpiece are simultaneously insulated from the main body of a welding machine, the clamp of a fixed workpiece and a worktable, current is galvanized in the weld seam direction of the workpiece, the current and the weld seam through which the current flows produce resistance heat with the contact resistance of a friction stirring welding area, and the resistance heat together with stirring friction heat forms the hybrid heat source of the stirring friction welding. The method and the equipment of the invention have the following remarkable effects: 1. the limitation of the stirring friction welding on welding materials is broken through, leading the stirring friction welding to be used for welding such structural materials as black ferrous metals, superalloy, and the like; 2. the service life of the stir head can be improved; and 3. welding speed and welding quality can be further improved, thus improving the mechanical property of a welding joint. The method and the equipment of the invention can be used for the stirring friction welding, the preheating before welding, and the postweld heat treatment of such structural materials as carbon steel, stainless steel, and superalloy, etc.

The invention belongs to the generating equipment scope and in particular relates to a mixed heat power generating system with a paraboloid groove type solar heat collector to assist a coal burning boiler. A solar heat collector field is connected with a feed pump and a second or a third high-pressure heater; a condenser, an extraction pump, a low-pressure heater, a deaerator, the feed pump, the high-pressure heater, the coal burning boiler and a steam turbine are connected in series in turn; and the steam turbine drives a dynamo and discharges steam to the condenser. Condensed water flows out from the condenser and is heated up and pressurized up by a the low-pressure heater, deoxidized by the deaerator, fed with water by a leading-out part of the feed pump and enters the solar heat collector field for heat absorption; after reaching a stream drawing parameter of a certain stage high-pressure heater, the condensed water returns and joins the drawing gas of the corresponding stage heater; the other part of feeding water enters the coal burning boiler through the high-pressure heater and becomes steam with high temperature and high pressure; and the steam enters the stream turbine, applies work and flows into the condenser to complete a thermodynamic cycle. The mixed heat power generating system with the paraboloid groove type solar heat collector to assist the coal burning boiler reduces coal consumption of a coal burning unit, improves thermal efficiency of the solar heat power generation and reduces the investment on the simple paraboloid groove type solar heat power generation.

The invention discloses a control method and device of an electric water heater and an electric water heater. The control method comprises the steps of obtaining the outlet water temperature, inlet water flow and inlet water temperature of the electric water heater at a current sampling time point, judging whether the outlet water temperature is up to the heating temperature set by a user or not, calculating the deviation control amount of the outlet water temperature at the current sampling time point and obtaining corresponding heat power gears according to the deviation control amount of the outlet water temperature, the inlet water flow and the inlet water temperature if the heating temperature set by the user is not reached, obtaining the heating power of the electric water heater at a previous current sampling time point adjacent to the current sampling time point, adjusting the heating power according to the heat power gears and controlling the electric water heater according to the adjusted heating power. By means of the control method, the corresponding heating power is adjusted according to the outlet water temperature, the inlet water flow and the inlet water temperature corresponding to the electric water heater, resource waste caused by heating at fixed heating power is avoided, and energy is saved.

The invention relates to a graphene based transparent electric heating film and a production method thereof. The graphene based transparent electric heating film comprises a transparent flexible substrate, a graphene film is arranged on the transparent flexible substrate, a conductive connection mesh film is arranged on the graphene film and provided with electrodes which are electrically connected with the conductive connection mesh film and the graphene film. The electrodes are provided with protective layers covering the electrodes as well as covering the graphene film and the conductive connection mesh film. The graphene transparent electric heating film is suitable for large-scale production, labor cost is greatly reduced, and meanwhile, product stability is improved and the graphene based transparent electric heating film has the advantages of uniformity in heating, high transparency, good flexibility, low cost and good stability. Besides, heating power of the transparent electric heating film can be designed according to practical needs, heating curves can be designed according to service needs, and the heating film is guaranteed to have demisting and defrosting functions. Simultaneously, brittle cracking of glass due to sudden change of temperature is avoided. The graphene based transparent electric heating film is wide in application range, stable and reliable.

A package for dissipating heat power and / or optical power from an optical fiber component of a device is provided. The package includes a heat sink packaging receptacle for accommodating the optical fiber component having a cavity for receiving a temperature sensitive portion of the optical fiber component. According to one aspect, the package may include a power-dissipative material for dissipating heat power or optical power, the power-dissipative material extending within the cavity and surrounding the temperature-sensitive portion of the optical fiber component. According to another aspect, the package may include at least one channel extending between the cavity and an end of the heat sink packaging receptacle, the channel being in intimate contact with the cladding of the optical fiber component for dissipating heat power and / or optical power from the optical fiber component.

The invention relates to a heat-storage heat-power co-generation unit and electric boiler based wind curtailment absorption coordinated dispatching model. The model is characterized in that on the basis of analyzing a working principle of a heat-storage heat-power co-generation unit, it is proposed to calculate a heat supply amount of an electric boiler maximally absorbing wind curtailment electric energy, and different working modes of a heat storage apparatus and the economy of heat-storage heat-power co-generation and electric boiler coordinated heat supply are compared. A calculation result shows that the heat supply of the electric boiler has optimal economy during maximal wind curtailment absorption. According to the model, the wind curtailment absorption space of a power grid can be further expanded, the dispatching cost can be reduced, and a scientific basis can be provided for a power grid dispatching department to make a day-ahead dispatching plan.

The invention provides an automobile capable of intelligently starting an electric heating device. The automobile comprises a heater, a water tank, a heat exchange device and the electric heating device, wherein the heat exchange device is connected between the heater and the water tank; water in the water tank enters the heat exchange device through an inlet pipeline of the heat exchange device, is heated in the heater and then enters the water tank through an outlet pipeline of the heat exchange device; the water tank is internally provided with a temperature sensor, and the temperature sensor is used for measuring the temperature of the water in the water tank; the temperature sensor, the electric heating device and a controller are in data connection; when the heater works, the controller controls starting and / or heating power of the electric heating device according to the water temperature measured by the temperature sensor. According to the automobile provided by the invention, by intelligently starting the electric heating device, constant temperature for heating the water tank is ensured, normal running of the electric heating device is ensured, and an automobile heating and heat exchange system is suitable for being used by various large-scale electric vehicles.

The present invention discloses a method and an apparatus for determining the remaining heating time for heating a power battery to achieve a rechargeable temperature, and relates to the field of electric vehicles. The method comprises: acquiring the initial battery temperature of an electric vehicle power battery when the electric vehicle power battery requires charging; comparing the initial battery temperature and the allowable charging temperature; determining the total heating time for heating from the initial battery temperature to the allowable charging temperature of the electric vehicle power battery if the initial battery temperature is less than the allowable charging temperature; and during the heating process of the electric vehicle power battery, according to the temperature change and the total heating time of the electric vehicle power battery, determining the remaining heating time. According to the present invention, with the method and the apparatus, the remaining heating time for heating the electric vehicle power battery from the non-rechargeable temperature to the rechargeable temperature can be determined.

An air conditioning system of the dynamoelectric automotive heat pump belongs to the field of the heat pump system structure. The invention contains the compressor, the four-through valve, the first unilateralism valve, the inner condensator, the F type heating power inflatable valve, the second unilateralism valve, the outer condensator, the first ending valve, the second ending valve, the H type heat power inflatable valve, the inner evaporator and the gas and liquid segregator. The exit of the compressor connects with the intake of the four-through valve. Two exits of the four-through valve separately connect with the intake of the first unilateralism valve and the inner condensator. The exit of the first unilateralism valve connects with the intake of the outer condensator. The exit of the inner condensator connects with the intake of the F type heating power inflatable valve. The exit of the F type heating power inflatable valve connects with the intake of the second unilateralism valve. The exit of the second unilateralism valve connects with the intake of the outer condensator. The exits of the outer condensator connect separately with the intakes of the first ending valve and the second ending valve. The exit of the first ending valve connects with the intake of the gas and liquid segregator. The structure of the invention is easy.

An electric heating cooker with weighing function and a weighing control method thereof are provided. An electronic scale (5) with weighing function is added under the traditional electric heating cooker and stores cooking experience database and food information database. It solves the problem that users aren't accurate about the amount of water to add for a given weight of ingredient. And experience curve of heating power are designed at different weight points for food such as rice or meat, and also it makes the cooker to intelligently adjust parameters according to the taste feedback of the user so as to be more closer to the user's taste for the cooking next time; additionally it is capable of showing the total and average content of heat quantity, cholesterol, protein, fat, salt and cook oil of various foods in current cooking or if there are unmatched foods.

The present invention describes a blade for a wind turbine. The blade includes a heating mat for generating heat by resistive heating, wherein the heating mat is mounted to the blade. The heating mat includes a first heating power emitting section for emitting a first heating power and a second heating power emitting section for emitting a second heating power. The heating mat is coupleable to a power supply unit for transferring power to the heating mat in such a way that the first heating power differs to the second heating power.

Various embodiments of methods and systems for intelligent multimedia-based thermal power management implemented in a portable computing device (“PCD”) are disclosed. To reduce or increase power consumption in the PCD, embodiments adjust one or more visual multimedia parameters, the settings of which contribute to power consumption associated with an overall multimedia workload. The selection of visual multimedia parameters for setting adjustment is a function of the change in user experience versus the change in power consumption that will likely result from the setting adjustment. Exemplary visual multimedia parameters for which settings may be adjusted by certain embodiments include, but are not limited to, color depth, display brightness, GPU processing resolution, image dynamics algorithm selection, resolution scaling ratios and frames per second processing rates.

The invention provides a thermal power system with complementation between solar energy and biomass energy. The thermal power system comprises a solar light condensing device, a solar heat storage kettle, a biomass heat power station, a combined refrigerating and icing device for intensive cooling, and a hot water system for intensive heating, wherein the solar light condensing device is connected with the solar heat storage kettle through a pipeline, the inlet of a first output heat exchanger B1 of the solar heat storage kettle is connected with the outlet of a water supply pump of a biomass boiler, and the outlet of the B1 is connected with the inlet of a water supply system of the biomass boiler; an inlet pipeline of a second output heat exchanger B2 of the solar heat storage kettle is connected with an output pipeline of a water purification plant, and the outlet of the B2 is connected with a heat input pipeline of the combined refrigerating and icing device; the heat input pipeline can supply heat for refrigerating and icing; and work cooling water of the combined refrigerating and icing device is connected to a hot water kettle of the heat supply system to intensively supply heat to users. The solar heat storage kettle is a two-medium or three-medium double-circulation heat storage kettle, and the heat storage medium is heat transfer oil and fused salt.

The invention discloses a gas stove with a weighing function and a weighing control method thereof. An electronic scale with the weighing function is additionally arranged below the stove tabletop of the gas stove and saves an experience database and a food information database in a cooking process so that the gas stove not only solves the problem that users fuzzily and inaccurately know how muchweight of water needs to be added to a certain weight of food, but also can feed back and intelligently adjust according to the tastes of the users to enable the next-time cooking tastes to be close to the taste demands of the users by designing the experience curve of heating power of a pressure cooker on the gas stove for the foods comprising rice, meat and the like on different weight points; and in addition, the gas stove enables the users to clearly and definitely know the total or per-capita intake caloric value, cholesterol content, protein content, fat content, mutual restraint between the foods, edible salt amount and edible oil amount of various foods in the cooking. Therefore, the invention realizes the standardization, automation, accuracy, intelligence and health of pressure cooker on the gas stove in the whole cooking process.

The present invention provides a heating control method of electric water heater, resolving the problem of continuing heat according to the presetting after water boiled. The method includes following steps: a microprocessor detects whether the sensor is normal, dried burning or not, when a control circuit is powered on with the heat power, the sensor starts to detect the water temperature in the water heater and store, the microprocessor calculates the temperature change rate and stores, comparing the temperature change rate of the latter period with the temperature change rate of the former period, the microprocessor judges whether water is boiled or not, the control circuit continues heating water after switching to the heating power set value recalculated by the microprocessor, when achieving the set time, the control circuit cuts off the heating power. Compared with the prior art, the control circuit continues heating water after switching to the heating power set value recalculated by the microprocessor, adjusting the proper power by a preset, and continuing boiling, not only saving energy, but also continuing heat of meeting different aims.

The invention relates to a battery system with an adjustable heating speed and a control method thereof. The battery system comprises a battery pack, a heating sheet, a power control module and a battery management system. When the temperature of the battery pack is lower than a preset self-heating starting temperature, the power control module is started, the battery management system transmits collected battery pack state information to the power control module, the power control module adjusts the current on-off time and the switching frequency of the heating sheet through PWM signals to adjust the heating power and the heating speed, therefore battery self-heating is achieved. When the temperature of the battery pack reaches a preset self-heating closing temperature, the power controlmodule is turned off, and heating is stopped; wherein the power control module further comprises a current adjustment module, a current acquisition module and a heating control module. The power battery system has the beneficial effects of high heating rate at low temperature, long driving range, and quick charging at low temperature.

In one exemplary embodiment, the induction heating system includes an induction heating power source. The induction heating power source is operable to identify an induction heating device coupled to the induction heating power source. The exemplary induction heating power source is operable to automatically limit power based on the identity of the induction heating device.

A request heat calculation unit calculates a request heat power requested to heat sources to supply. A heat cost calculation unit calculates a relationship between a heat power supplied from each of the heat sources and a heat cost, which is a fuel quantity consumed to supply a unit heat power. An abnormal source detection unit detects an abnormal heat source, which cannot normally supply a heat power, from the heat sources. An abnormal heat calculation unit calculates an abnormal heat power supplied from the abnormal heat source. A determination unit determines distribution of heat power supplied from the heat sources based on both the relationship and the abnormal heat power, such that a sum of the heat power supplied from the heat sources coincides with the request heat power, and the heat cost of all the heat sources is minimized.

Methods and systems for controlling temperatures in plasma processing chamber via pulsed application of heating power and pulsed application of cooling power. In an embodiment, temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the processing chamber. In further embodiments, fluid levels in each of a hot and cold reservoir coupled to the temperature controlled component are maintained in part by a passive leveling pipe coupling the two reservoirs. In another embodiment, digital heat transfer fluid flow control valves are opened with pulse widths dependent on a heating / cooling duty cycle value and a proportioning cycle having a duration that has been found to provide good temperature control performance.

The invention discloses an absorption-type residual heat power generation or heat acquisition and drive power using method under condition of a low-temperature heat source. The invention also relates to an absorption-type residual heat reclaiming system and a used gas-salt working fluid. The low-temperature heat source obtained from industrial waste heat is used as a heating working medium so that a working fluid of absorption liquid consisting of a salt absorbent and ammonia gas or carbon dioxide absorbed agent from an absorber forms an absorbent and a high-pressure overheated absorbed agent in a regenerator through the heat exchange process under the heating condition; the gasified overheated absorbed agent enters a turbine machine to provide energy for producing power through a turbine expansion step; the produced power can directly drive a power generating unit for power generation or connection with other power drive equipment for providing the needed power; and the produced power can be also used as a heat source and is transported to heat exchange equipment for heating. The low pressure absorbed agent completing the heat release process is exhausted from the turbine step, returns the absorption step and is re-contacted with the absorbent from the regeneration step to form the absorption liquid; and the absorption liquid reenters the next thermodynamic circulation process.

The invention relates to an auxiliary electric heating device used for a vehicle and an auxiliary electric heating method for a vehicle, which comprises a switch part that comprises one or a plurality of switch units and is used for opening and closing a battery voltage by carrying out a switch operation according to a PWM signal; a heater part that comprises one or a plurality of heater units which is connected with the switch units; a current detecting part that detects the current flowing through the heater part; a control part that compares the voltage information of the battery voltage being received with a reference voltage, wherein, if the voltage information is lower than the reference voltage, heating power proportionate to the battery voltage is set as target power, whereas the voltage information is higher than the reference voltage, and preset maximum heating power is set as the target power so as to generate the PWM signal with a PWM duty cycle relative to the set target power and to impose to the switch unit. According to the detecting current of the current detecting part, consumed power actually being consumed is calculated, and the PWM duty cycle of the PWM signalis regulated according to the calculated consumed power and the target power.

The invention relates to a variable-frequency and variable-amplitude AC low-temperature self-heating method of a lithium ion battery. The variable-frequency and variable-amplitude AC low-temperature self-heating method comprises the steps of determining a polarization voltage amplitude range having no influence on lifetime of a lithium ion battery, selecting sine AC polarization voltage amplitudeaccording to the range, and determining sine AC current amplitude according to the sine AC polarization voltage amplitude and battery internal resistance under a current temperature; calculating to obtain a frequency at which heating power is maximum under the current temperature according to a relation between the heating power and the frequency and a relation between battery impedance and the frequency under the selected sine AC polarization voltage amplitude; performing low-temperature self-heating on the battery by a sine AC current signal according to the determined amplitude and the frequency; compensating the sine AC current amplitude per certain temperature in real time under the condition that constant polarization voltage amplitude is ensured, finding out optimal heating frequency under the current temperature, and changing the amplitude and the frequency of the applied sine AC current signal. The variable-frequency and variable-amplitude AC low-temperature self-heating method has the advantages of good self-heating rate, no influence on service lifetime of the battery and good heating temperature uniformity.

The invention provides a steam drier comprising a furnace body, a water tank and a water pump, the water tank is connected with the water pump through a first pipeline, the water pump is connected with the furnace body through a second pipeline, the interior of the furnace body is provided with an electric heater unit, the upper part of the furnace body is provided with a steam outlet pipeline, and the water tank is provided with an inlet pipeline. The steam drier is characterized in that the steam outlet pipeline is provided with a flow sensor used for measuring steam flow produced in unit time, the flow sensor and the electric heater unit are in data connection with a controller, and the controller automatically controls power of the electric heater unit according to the measured steam flow. According to the invention, heating power of the electric heater unit in the steam drier is automatically controlled through the steam flow, and therefore steam output is stable, and intellectualization is improved.