622results about "Electric heating" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

A power supply circuit structure (100), a drying device (200), a power supply kit (1000) and a power supply method. The power supply circuit structure (100) is connected to a power supply (300) and supplies power to a radiation source (21), the power supply (300) provides an alternating current signal which changes periodically, the radiation source (21) can radiate light of a preset frequency band, and the power supply circuit structure (100) comprises a main control circuit (11) and a signal conduction circuit (12). The main control circuit (11) receives and detects the alternating current signal and generates a control signal with the same frequency as the alternating current signal according to the preset frequency band, and the control signal comprises a zero-amplitude part. The signal conduction circuit (12) receives the alternating current signal and the control signal and generates an output signal, the amplitude of the output signal is zero at the zero-amplitude part of the control signal, and the amplitude of the output signal corresponds to the amplitude of the alternating current signal at other parts of the control signal; and when the output signal is input, the radiation source (21) is used for radiating light of the preset frequency band.

Method of controlling a hot water energy storage system comprising an electrical heater for heating a volume of water, wherein the method comprises the steps of: - providing an electrical system comprising an electrical circuit and at least one load device, the electrical circuit being connected to an external electrical network such as a mains and to the at least one load device, wherein the electrical circuit comprises a main power input / output for connection to the external electrical network and a first power output for powering the at least one load device, and wherein the electrical circuit is provided with an overcurrent protection device, such as a circuit breaker, arranged between the power input / output and the first power output, wherein the overcurrent protection device is arranged to interrupt the current flowing though it when said current exceeds a predefined maximum current threshold; - providing the electrical heater in parallel to the at least one load device on the first power output; - monitoring the current at the first power output of the electrical circuit; - determining, based on the monitored output current and the predefined maximum current threshold, an unused current amount representative for an amount of current still allowable at the first power output without exceeding the predefined maximum current threshold; and - controlling the electrical heater on the basis of the determined unused current amount. An associated control system and a method of installing a hot water energy storage system in an existing system are also described.

The application provides a PTC heating circuit and a heating method, which comprises the following steps: connecting the first end of the first-stage switching circuit with the L-phase line of an external AC power supply; connecting the second end of the first-stage switching circuit with the first end of the second-stage switching circuit; connecting the third end of the first-stage switching circuit with an external DC power supply; connecting the fourth end of the first-stage switching circuit with an external controller; the first-stage switching circuit comprises a relay; connecting the second end of the second-stage switching circuit with the first end of a PTC heater; connecting the third end of the second-stage switching circuit with the external DC power supply; connecting the fourth end of the second-stage switching circuit with the external controller; and connecting the second end of the PTC heater with the N-phase line of the external AC power supply. By implementing the application, the relay is not directly subjected to the large current impact of the ceramic PTC heater when it is first turned on, so that the relay type does not need to be increased, and the cost increase caused by the relay is avoided.

The invention relates to a switching device (10) for operating an external heating apparatus (20) for heating a medium (F) by means of a plurality of heating elements (21-i) of the heating apparatus (20). The invention also relates to a household system (100), and various methods for heating a medium (F). The switching device (10) can, when heating elements (21-i) of the heating apparatus (20) are connected to one another at a common star point (22) and can be connected to the switching device (10) independently of one another, is designed to be supplied by at least one current phase (L) and can comprise a control apparatus (11) which is designed to switch the heating elements (21-i), independently of one another, in each case via at least one associated switch (Ki, Kia, KN) of the switching device (10) for the graduated setting of a heating power generated in total by the heating apparatus (20) according to a respective heating stage, wherein the control apparatus is implemented by a computing unit.

A soft robotic gripper includes multiple fingers, each embedding at least one artificial muscle formed as a low-temperature shape-memory coil that recovers a memorized shape when electrically heated, thereby driving the fingers between open and gripping configurations in cold environments; the coil acts as a Joule-heated actuator enabling reversible contraction / extension with improved response at reduced transformation temperatures suitable for low-ambient operation.

A method of controlling a heater (336) of a nicotine electronic vapor device (500) includes detecting, from a removable container (300) included in the nicotine electronic vapor device (500), power information indicative of a first power level and a second power level; and powering the heater (336) based on the detected power information by determining a first amount of electricity based on the first power level, supplying the first amount of electricity to the heater (336) during a first operating mode of the heater (336), determining a second amount of electricity based on the second power level, and supplying the second amount of electricity to the heater (336) during a second operating mode of the heater (336), the second amount of electricity being higher than the first amount of electricity.

This aerosol generating device may comprise: a cavity; a heater for heating an article inserted into the cavity; a magnetic sensor disposed in the cavity; at least one processor for receiving a detection result from the magnetic sensor and controlling driving of the heater; and a memory operatively connected to the at least one processor and storing executable instructions. The at least one processor may execute the instructions stored in the memory to control driving of the heater according to magnetic information detected by the magnetic sensor, and to determine whether the article has been reused, depending on whether an intensity of a magnetic field with respect to the magnetic information detected by the magnetic sensor is less than or equal to a reference value. Various other embodiments are possible.

A vaporizer may include a battery housing and a cartomizer connectable to the battery housing. A battery may be housed within the battery housing. The cartomizer may have a cartomizer body dimensioned to hold a vaporizable substance. The cartomizer may also include a heating element to heat the vaporizable substance. A cutoff device may be connectable to the heating element to disrupt the heating element.

DOUBLE TANK ELECTRIC WATER HEATER WITH AN ELECTROMECHANICAL THERMOSTAT CONTROL SYSTEM, AND ITS CONTROL METHOD The invention relates to a double tank electric water heater (1) comprising a first tank (2) equipped with a first heating element (2c), a second outlet tank (3) equipped with a second heating element (3c) and a control system comprising: a first electromechanical thermostat (5) controlled by a first temperature probe (6) located in the first tank (2); and a second electromechanical thermostat (7) controlled by a second temperature probe (8) located in the second tank (3); the first and second electromechanical thermostats (5, 7) being respectively connected to the first and second heating elements (2c, 3c) and being configured to allow heating in the first tank (2) only when the heating in the second tank (3) has reached its control setpoint. Figure to be published with the abbreviation: Figure 1

The utility model discloses a heating device and a high-temperature aging oven. The heating device comprises a power supply module, a circuit breaker, a control module with a touch screen, a start button, a first relay, a second relay, a first heating element, a second heating element and a first detection element. The output end of the power module is connected with the wire inlet end of the circuit breaker, the wire outlet end of the circuit breaker is connected with the power end of the control module, a contact of the first relay and a contact of the second relay, the contact of the first relay is further connected with the first heating element, and the contact of the second relay is further connected with the second heating element. Coils of the first detection element, the start button, the first relay and the second relay are respectively connected with the control module; the power of the first heating element is five times or more than five times that of the second heating element. According to the utility model, high-precision heating is realized under the condition that the heating speed is ensured.

The embodiment of the invention provides a cookware detection circuit, a cooking utensil and a heating control method. The cookware detection circuit comprises an induction electrode, a detection circuit and a control circuit, the induction electrode is arranged on the lower side of a panel of the cooking utensil; the input end of the detection circuit is connected with the output end of the induction electrode, and the output end of the detection circuit is connected with the input end of the control circuit; the induction electrode is used for forming a capacitor with a cookware placed on the upper side of the panel; the detection circuit is used for outputting a first switching value signal to the control circuit when the capacitance is detected to be formed; the control circuit is used for controlling a heater of the cooking utensil to operate when receiving the first switching value signal so as to heat the cookware. The method is used for achieving the effect of improving the accuracy and timeliness of the cookware detection function.

An air supply channel, a draught fan and a heating assembly are arranged in a cavity of a shell, the heating assembly is arranged in the air supply channel, a control device is electrically connected with the draught fan and the heating assembly, a human standing area is arranged on the upper end face of the shell, an air outlet is formed in the standing area, the air outlet is communicated with an air outlet hole in the air supply channel, and the heating assembly is arranged in the air supply channel. A weighing device is further arranged on the lower end face of the shell and comprises a weighing sensor, a weighing sensor support and a top block, the top block is arranged at a through hole in the lower end face of the shell in a sleeving mode in an up-down moving mode, the weighing sensor is fixed to the weighing sensor support and electrically connected with the control device, and the weighing sensor support is fixed in the cavity; when the shell bears load, the upper end of the top block abuts against the weighing sensor, and the control device receives a weighing signal and controls the air outlet volume and temperature. The user experience is improved, water on the surface of the human body is efficiently and rapidly blow-dried, meanwhile, the weight data of the user is safely measured, and the change of the weight of the user is accurately obtained.

The embodiment of the invention discloses a temperature rise method of an in-situ transmission electron microscope heating chip for simulating ignition powder combustion, relates to the technical field of heating chips, and can accurately simulate the temperature change in the ignition powder combustion process. The method comprises the steps that the relation between the temperature and time in the ignition powder combustion process is determined; according to the relationship between the temperature and the current in the heating process of the heating chip of the in-situ transmission electron microscope, determining the relationship between the current and the time of the heating chip in the process of simulating the combustion of the ignition powder; configuring a circuit system of the heating chip by using the relationship between the current and the time; a temperature measuring piece is arranged on the heating chip, and a circuit system of the heating chip can adjust the current of the heating chip according to the temperature measured by the temperature measuring piece. The method is suitable for an in-situ transmission electron microscope simulation ignition powder combustion scene.

The present invention relates in one aspect to an intravenous fluid delivery system which comprises a power supply and an infusion fluid warmer that comprise respective data communication interfaces supporting data exchange through a power supply wire connected between the power supply and the infusion fluid warmer.