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1064results about "Electric heating" patented technology

Power distribution line icing disposal environment modeling and application method

The invention discloses a distribution line icing disposal environment modeling and application method, and relates to the technical field of disaster prevention and reduction and intelligent decision cross of a power system, and the method comprises the steps: obtaining the original data of a multi-source sensor, generating a standardized feature vector, constructing an environment model of a reinforcement learning agent, and designing an action space and a reward function. Integrating a physical model, and constructing a multi-dimensional feature, a line physical model, a meteorological model, a line and equipment state model and a historical and auxiliary information model so as to obtain a lead icing environment model; designing an icing increment formula fusing collision coefficients, and designing a comprehensive network model; carrying out reinforcement learning training on the integrated network model in a simulation environment; integrating the trained comprehensive network model to a power system monitoring platform, and carrying out real-time monitoring and automatic disposal; the method can effectively improve the icing handling capacity of the distribution line, reduces the load current fluctuation, and guarantees the safety and stability of the line.
Owner:GUIZHOU POWER GRID CO LTD

Electric blanket heating wire state judgment method and system, medium and product

The invention provides an electric blanket heating wire state judgment method and system, a medium and a product, and relates to the technical field of safety monitoring. In the method, a control processing unit firstly samples at a first preset frequency and calculates a signal change rate; and when the signal change rate value exceeds the standard rate threshold value, the control processing unit judges that the electric blanket is in a suspected heat accumulation state, and at the moment, the output power of the heating wire is controlled to be reduced to a preset duty ratio. Then, the control processing unit adopts a second preset frequency to collect signals and filter the signals, extracts signal values at the first moment and the second moment, and calculates the characteristic value of the thermal attenuation trend; and finally, the control processing unit realizes the distinguishing between the local wire twisting state and the folding state based on the deviation degree of the characteristic value and the standard thermal attenuation characteristic value. According to the method, the technical problem that the high-temperature cause cannot be distinguished only through the instantaneous temperature is relieved, and accurate recognition of the twisted wire fault and the folding working condition is achieved.
Owner:GUANGDONG FENGJI ELECTRONIC TECHNOLOGY CO LTD

Precise temperature control aging test equipment and test method thereof

The invention discloses precise temperature control aging test equipment and a test method thereof.The precise temperature control aging test equipment comprises an electric control box body and a test box body, a test supporting frame is installed in the test box body, and a plurality of aging test plates are installed on the test supporting frame; the aging test board comprises a test circuit substrate and a plurality of aging test modules fixedly installed on the test circuit substrate, each aging test module comprises a test base and a heating control module, a material carrying groove is fixedly formed in each test base, each heating control module comprises an outer shell, a first circuit board, a second circuit board and a temperature measuring sensor, according to the invention, the independent temperature control aging test of a single chip is realized through the plurality of independent modular aging test modules, and the heating circuit and the control circuit are arranged separately, so that the service life of the test circuit is prolonged.
Owner:LIANXIN ELECTRONIC TECH (SUZHOU) CO LTD

Heating pump cover and heating pump

Disclosed are a heating pump cover and a heating pump. The heating pump cover comprises a cover body, a temperature control device, a raised part, and a heating body. The cover body has a first surface configured to be in contact with liquid on which the heating body is arranged and a second surface opposite to the first surface on which the temperature control device and the raised part are arranged. The raised part forms grooves on the first surface and the temperature control device is arranged on the raised part. The part of the heating body locates in the grooves has a first region which is in contact with the inner wall of the groove and a second region which is arranged interval with the inner wall of the groove.
Owner:BACKER HEATING TECH (SHENZHEN) CO LTD

Aerosol generating device having a smoke mode and a smokeless mode

An aerosol generating device may include a cartridge configured to store an aerosol generating material, a main body to which the cartridge is detachably coupled, a first heater configured to heat a cigarette inserted into the aerosol generating device, a second heater configured to heat an aerosol generating material, and a processor configured to individually control the first heater and the second heater so that the aerosol generating device operates in one of a smokeless mode in which visible smoke is not generated and a smoke mode in which visible smoke is generated.
Owner:KT&G CO LTD

Control Method and Handle Assembly

The present disclosure provides a method for removing ice from a vehicle's handle assembly using a selectable control system. The method includes receiving a control mode signal that selects one of several preset modes to carry out the de-icing operation. These control modes include at least two of the following: a monitoring mode, a vehicle standby mode, and a rapid de-icing mode. In the monitoring mode, the system continuously monitors the frozen state of the handle and applies heat at a first power level based on that condition. The vehicle standby mode preheats the handle at a second power level for a predetermined time before the vehicle is expected to be used. The rapid de-icing mode activates heating at a third power level when the vehicle is already in use. By allowing the selection of different modes based on driving habits or usage scenarios, the method enables a single control system to adapt to varying user needs and conditions.
Owner:ILLINOIS TOOL WORKS INC

System and method for electric heating trace system management

Embodiments of the invention provide an electric heat trace (EHT) control system for use with a piping system having pipes and capable of transporting a fluid. The EHT control system includes an EHT circuit for heating the piping system, a temperature sensor outputting a temperature value, a flow status sensor outputting a flow status value, and an EHT management system. The EHT management system can include a controller connected to the EHT circuit in order to selectively energize the EHT circuit. The controller can be connected to the temperature sensor in order to receive the temperature value and the flow status sensor in order to receive the flow status value. The controller can be configured to execute an EHT management program including the steps of receiving the temperature value, receiving the flow status value, and utilizing the temperature value and / or the flow status value to determine whether or not to energize the EHT circuit.
Owner:CHEMELEX EUROPE GMBH

Circuit for high-voltage direct-hanging electric heater and control method

The invention discloses a circuit for a high-voltage direct-hanging electric heater, and the circuit comprises a high-voltage pre-charging module which is used for inputting high-voltage alternating current and suppressing the surge current of the high-voltage alternating current; the full-bridge rectifier module is used for converting the high-voltage alternating current into direct current; the conversion and control module is used for isolating and converting the direct current and outputting rated voltage and required power of the electric heater based on the direct current, the full-bridge rectifier module is connected with the high-voltage pre-charging module and the conversion and control module, and the output end of the conversion and control module is connected with the electric heater.
Owner:COMPRESSED EXPANSION UNIT FOR HIGH-TEMPERATURE HEAT PUMP & HIGH-TEMPERATURE HEAT PUMP ENERGY STORAGE SYSTEM

Food warming device

Quite often it is heard that people complain about having cold food at their places of work. The problem is not localized to a particular geographic area or age, it affects everyone who prefers having hot food at workplace or college. The Smart Lunch box aims at providing hot food to users anytime and anywhere they want. It uses heating elements along with microcontrollers powered by batteries to provide heat even in the absence of a power outlet. The batteries have to be sufficiently charged well before hand, the box can be controlled to set temperatures and timer through a mobile application which simplifies the user interface and also reduces human intervention. The box can also be used as a noodle maker by using hot water. The technical applications are immense. This invention can be of great help to various working sects of the society.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Laser methane detection module and detector thereof

The invention relates to a laser methane detection module and a detector thereof, and belongs to the technical field of hazardous gas detection. The detection module comprises a detection module, an anti-attachment module and a processing module. The detection module monitors the methane concentration in the environment in real time through a laser and a first photoelectric detector; the anti-adhesion module monitors and reduces oil stain adhesion by using heating glass, LED lamp beads and a second photoelectric detector; and the processing module realizes signal processing, temperature control and alarm prompt through the photoelectric conversion unit, the processor unit and the temperature control unit. The detector is miniaturized in overall design, low in cost and suitable for being used in small spaces such as household kitchens. High-precision methane detection is realized through a laser absorption spectrum technology, the influence of oil stains on the performance of the detection device is effectively solved by combining with the anti-adhesion module, the service life of the device is prolonged, the maintenance cost is reduced, and the requirements of household users on safety, reliability and easy maintenance of the methane detection device are met.
Owner:SHANDONG SHIP TECH RES INST

Liquid crystal screen heating method and system, medium and product

The invention provides a liquid crystal screen heating method and system, a medium and a product, and relates to the technical field of automatic control, and the method comprises the steps: firstly, obtaining a heat influence coefficient matrix representing the heat conduction relation between heating areas, and measuring the initial temperature data of each heating area through a temperature sensor; when any temperature is lower than a preset temperature lower limit threshold value, the temperature rise amount of each heating area is calculated based on the target temperature, a temperature rise matrix is determined, the target heating power of each heating area is calculated in combination with the heat influence coefficient matrix and the temperature rise matrix, and the heating control module sends corresponding heating signals to each heating circuit according to the target heating power so as to heat the heating circuits. All the areas are heated at different powers, and finally synchronous rising of the temperature of all the heating areas is achieved. According to the scheme, the technical problem that in the prior art, a liquid crystal screen is heated unevenly is solved.
Owner:BEIJING QINGYUN HI TECH DEV

Defogging method and device, intelligent glasses and storage medium

The invention relates to the technical field of intelligent glasses, and discloses a demisting method and device, intelligent glasses and a storage medium, the method is applied to the intelligent glasses provided with a humidity acquisition part, a first temperature acquisition part and a heating part, and the heating part is used for heating lenses of the intelligent glasses; the method comprises the steps that real-time environment humidity is collected through a humidity collection part, and real-time environment temperature is collected through a first temperature collection part; determining a target heating temperature according to the real-time environment humidity and the real-time environment temperature; and heating the lens through the heating component according to the target heating temperature. The target heating temperature for keeping the lens not fogging is determined by collecting the environment humidity and the environment temperature in real time, and the lens is heated through the heating component, so that the temperature of the lens is increased to the target heating temperature, the lens is not fogged, and the automatic demisting effect is achieved.
Owner:GOERTEK INC

Systems, devices, and methods for automated thawing of bag-format storage vessels

The present invention discloses sample thawing devices, systems, and methods, that are configured to take bag-format sample vessels, referred to as “cryobags”, and to thaw the contents of such cryobags. The contents of such cryobags are samples with cells, and the thawing of such samples is based on the temperature, volume, and mass of the sample in order to evenly distribute heat and avoid ice crystallization damage to the cells during thawing. Paired heater plates form an assembly configured to support, clamp, and thaw individual cryobags. The heater plate pair has an articulated member that is repositioning to provide for ease in inserting and removing samples.
Owner:BIOLIFE SOLUTIONS INC

Smoke-filled bubble machine and constant-temperature control circuit

A smoke-filled bubble machine and a constant-temperature control circuit are disclosed. Firstly, a heating member is heated at a full-speed to make the heating member heat up rapidly. When a temperature of the heating member rises above a first predetermined threshold, a loop switch is alternately turned on and turned off, and a turned-on duration is iteratively adjusted, so as to enable the heating member to heat up stably to near an optimal temperature value. Finally, the temperature of the heating member is kept as close to the optimal temperature value as possible according to a predetermined PWM signal. In this way, high-quality bubbles can be generated.
Owner:SHENZHEN QIAOHUA IND

Fluidic cartridge and apparatuses for processing fluidic cartridges

Interoperable systems for performing sample preparation and analysis in a closed environment include a fluidic cartridge, including chambers for sample and reagents and sample processing, reaction chambers, chamber-connecting channels, and fluid control valves, actuators for closing and selectively opening one or more valves of the cartridge, a syringe pump and syringe driver for effecting fluid movement between chambers of the cartridge, thermal modules for heating or cooling reaction chambers disposed between the thermal modules, a thermal module actuator for moving the thermal modules into and out of thermal contact with the reaction chambers, a contact detector for detecting the presence of a fluidic cartridge between the thermal modules, optical fibers for transmitting optical signals through openings in at least one of the thermal modules, and optical devices for transmitting optical signals through the fibers to the reaction chambers and / or receiving optical signals transmitted by the optical fibers from the reaction chambers.
Owner:GEN PROBE INC +1

Fragrance candle lamp

The utility model relates to an aromatherapy candle lamp which comprises a shell and a bottle body, the shell and the bottle body are detachably connected, the shell is provided with an installation cavity, the installation cavity is provided with a control module, the control module is used for controlling electronic components of an aromatherapy candle, and the shell is provided with a plurality of volatilization holes which are formed in a penetrating mode; the bottle body is provided with a containing cavity, the containing cavity is communicated with the volatilization holes, the containing cavity is used for containing aromatherapy substances, the containing cavity is provided with a heating module, the heating module is electrically connected with the control module, when the aromatherapy substances are placed in the containing cavity, the heating module makes contact with the aromatherapy substances, and when the aromatherapy candle lamp needs to be used, the control module starts the heating module, so that the aromatherapy candle lamp can be used. The surface temperature of the heating module is increased, so that the temperature of the aromatherapy substances around the heating module is increased, the diffusion speed of the aromatherapy substances is increased, and more aromatherapy substances are blown out from the volatilization holes. The aromatherapy candle lamp has the effect of improving the volatilization speed of aromatherapy substances in the aromatherapy candle lamp.
Owner:SHENZHEN LINLU TECH CO LTD

Heating power control device

The utility model provides a heating power control device, and belongs to the technical field of heating control. The heating power control device comprises a pulse generation module, a pulse frequency regulation module, a heating control module and a temperature detection module, the first output end of the pulse generation module is connected with the input end of the pulse frequency adjusting module, and the output end of the pulse frequency adjusting module is connected with the control end of the pulse generation module. The second output end of the pulse generation module is connected with the first input end of the heating control module, the second input end of the heating control module is connected with the temperature detection module, and the temperature detection module is used for detecting the temperature of the heating device; the output end of the heating control module is connected with the heating device which is used for heating. The temperature control precision of the heating system can be improved.
Owner:BAODING ANDY POWER TECH CO LTD +1

A method for switching hot plate relays at mains zero-crossing in vitroceramic cookers and system implementing the same

The present invention relates to a method for switching hot plate relays in vitroceramic cookers by aligning the switching operation with the mains zero-crossing, and to a system implementing the said method. The mains sine wave signal is monitored by means of a zero-crossing circuit and relay feedback circuits, and the relay opening time is calculated by the controller. In the subsequent switching operations, the relay is engaged at the zero-crossing point, thereby achieving minimal current flow through the relay contacts. Thus, the economic life of the relay is extended, failures caused by high-current switching are prevented, and reliable operation is ensured. The said method improves the relay performance without the need for external current sensors and significantly reduces the failure rate.
Owner:ARCELIK AS

A heating control method, electronic device, and laundry treating apparatus

The present application relates to a kind of heating control method, electronic equipment and clothes processing equipment in the technical field of clothes processing equipment, when the first temperature variable T1 of temperature limiter is less than the temperature threshold Tj of temperature limiter, and the difference of the temperature threshold Tj of temperature limiter and the first temperature variable T1 of temperature limiter reaches set value ΔTd, it is judged whether the second temperature variable T2 of heating object reaches target heating temperature Ts, if the second temperature variable T2 of heating object does not reach target heating temperature Ts, the heating program automatically enters temperature compensation mode, in the temperature compensation mode, the second temperature variable T2 is assigned as T2', wherein T2 < T2', T2' ≥ Ts, can effectively avoid that heater frequently enters high temperature protection state, drying temperature fluctuation is small, drying effect is stable, and prolong the service life of heater.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

A method and related device for controlling in-vehicle temperature

This application discloses a method and related device for controlling in-vehicle temperature, relating to the field of automotive control technology. The solution includes collecting vehicle operating environment information, determining a target heating component and its corresponding target temperature value, as well as the target heating power of the air conditioner, based on the collected information. Both the target heating power and the target temperature value are positively correlated with the initial heat required to reach a specified in-vehicle ambient temperature. Finally, the temperature of the target heating component is controlled based on its target temperature value, and simultaneously, the heating power of the air conditioner is controlled based on the target heating power. In a coordinated control scenario, since the internal heating component is already activated to conduct heat to the user's local area, the local temperature can be quickly increased. Therefore, the heating power of the air conditioner can be appropriately reduced, thereby reducing the overall vehicle power consumption and increasing the electric vehicle's range in cold conditions.
Owner:SHANGHAI LIXIANG AUTOMOBILE CO LTD

Circuit unit and method for controlling load currents

The invention relates to a circuit unit for controlling load currents of an electrical load, comprising a circuit logic, at least n switch elements with n≥2, resistance elements with m≥1, wherein the resistance elements can be bridged by means of the switch elements, wherein the circuit logic is designed such that it increases the load current in steps to a final value by means of an activation sequence of the switch elements, and a method for controlling load currents of an electrical load.
Owner:VOLKSWAGEN AG

Recreational Vehicles With Heated Components

A vehicle including a system for transferring energy between on-board vehicle components and / or between on-board and external components. The vehicle is configured to heat various components through induction to provide comfort to the rider and / or to transfer energy for charging one or more vehicle components.
Owner:POLARIS IND INC

Cold-Resistant Medium-Voltage Power Cable

The present disclosure relates to a cold-resistant medium-voltage power cable, includes a cable body, wherein a bending protection sleeve is slidably sleeved over an outer end of the cable body. Through the cooperative use of the bending protection sleeve, the clamping disc, the flexible electric heating patch, and the bending sensing assembly, on one hand, the arrangement reduces the difficulty in bending the cable body during installation, prevents damage to the cable body caused by excessive bending, and improves the efficiency and safety of installing the cable body in cold regions; on the other hand, the arrangement enables heating treatment at a bent installation section of the cable body. This configuration not only enhances flexibility of the cable body during installation, reducing damage to internal conductive cores of the cable body, but also provides continuous thermal protection to the bent installation section during subsequent operation of the cable body.
Owner:JIANGSU HENGFENG CABLE CO LTD

Electric heater for purification system of air separation device

The utility model provides an air separation unit purification system electric heater which comprises a first electric heater and a second electric heater, and a branch pipeline of each electric heater comprises an inlet cut-off butterfly valve, an outlet cut-off butterfly valve, an outlet temperature measuring point, a dry burning data acquisition module and a dry burning working condition alarm module. Wherein the outlet temperature measuring point is arranged on an outlet pipe section, behind the corresponding electric heater and in front of the outlet cut-off butterfly valve, on the corresponding branch pipeline, and is used for monitoring the temperature of the waste nitrogen gas flowing out of the corresponding electric heater; the dry burning data acquisition module is used for monitoring pressure data of inlets and outlets of corresponding electric heaters in real time; the dry-burning working condition alarm module is connected with the dry-burning data acquisition module and is used for acquiring the pressure data of the inlet and outlet of the electric heater and giving an alarm when the inlet and outlet pressure difference is smaller than a preset value. By means of the technical scheme, timeliness and accuracy of dry burning early warning of the electric heater are improved, and equipment is effectively prevented from being damaged or causing safety accidents due to dry burning.
Owner:WISDRI ENG & RES INC LTD

Semiconductor manufacturing apparatus

The embodiment of the invention relates to a method for manufacturing a semiconductor device and a semiconductor manufacturing apparatus. According to one embodiment, a method of manufacturing a semiconductor device includes forming a first film on a substrate. The method further includes etching the first film using a first gas containing carbon and fluorine, thereby forming a recess in the first film, and forming a second film in the recess. The method further includes treating the second film by using a second gas or a second liquid, and the treatment of the second film is performed without using plasma.
Owner:KIOXIA CORP

Non-combustible vaping device

A vapor cartridge for a non-combustible vaping device may be configured to receive a flavor cartridge, generate a vapor, and direct the generated vapor through the flavor cartridge to provide a flavored vapor. The flavor cartridge may include an instance of electrically conductive material extending at least partially around the flavor cartridge. The vapor cartridge may include an authentication assembly including a set of electrically conductive instruments may independently and directly contact the instance of electrically conductive material of the flavor cartridge inserted into the vapor cartridge, such that the electrically conductive instruments are electrically connected to each other through the instance of electrically conductive material of the flavor cartridge. The vapor cartridge may be coupled with a base that includes a control circuitry configured to control vapor generation by the vapor generator, based on the electrically conductive instruments being electrically connected to each other through the flavor cartridge.
Owner:ALTRIA CLIENT SERVICES LLC

Chip self-heating-based encryption control information nonlinear mapping method

The application discloses a kind of encryption control information nonlinear mapping methods based on chip self-heating, it is related to chip circuit's encryption information nonlinear mapping technical field, comprising: chip is divided into several physical area blocks according to two-dimensional matrix form, each physical area block is correspondingly provided with a hotspot unit and a network node, each physical area block corresponds different data representation;Each network node is numbered in disorder;Each array of heat intensity control information obtained according to encryption control information is transmitted to each corresponding network node;For a certain network node, the heat intensity control information received is transmitted to the corresponding hotspot unit, and the hotspot unit generates heat;According to the thermal imaging of chip and the data representation corresponding to each physical area block of chip, the nonlinear mapping result of encryption control information is obtained.The application improves the effectiveness of information mapping, better protects the transmission process of control information, and improves the security of information mapping.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Wickless vaporizing devices and methods

Deformable valves and atomizer designs for a vaporizer (e.g., electronic cigarette). The vaporizer may be used for vaporization of liquid and / or organic material. The vaporizer may enable enhanced flow control of fluid and may generate high quality and quantity of vapor efficiently. In some instances, flow path of the vaporizer may allow bulk fluid flow, e.g., in contrast to capillary flow, to deliver fluid to a vicinity of the vaporizer. In some instances, the vaporizer may utilize improved atomizer designs for vaporizing devices, where said designs can be configured optionally, with various embodiments of a breath-modulating deformable valve.
Owner:JUUL LABS INC

Railway turnout snow melting intelligent control method and system

The present application relates to the technical field of switch snow melting heating control, and particularly to a railway switch snow melting intelligent control method and system, the method comprising the following steps: obtaining early warning information indicating that a vehicle is about to arrive at a switch, the electric heating element of the switch being divided into a core heating zone and a regular heating zone; based on the early warning information, a first heating mode is executed, the first heating mode concentrating heating power on the core heating zone; the track circuit occupation state of the switch itself is monitored, and the actual occupation duration of the vehicle occupying the track circuit is recorded; after the track circuit occupation state of the switch itself is released, the first heating mode or the second heating mode is terminated; by starting core zone heating in advance based on train early warning information, and switching to core zone and regular zone common heating when the train occupies for a long time, the problem of instantaneous and local secondary freezing caused by train passing is effectively solved.
Owner:LANZHOU INST OF TECH