35results about How to "Output power regulation" patented technology

The invention relates to an electronic cigarette control method, an electronic cigarette control device and an electronic cigarette. The method comprises the following steps of when the electronic cigarette starts, detecting whether the resistance value of an atomizer is in the preset range or not; if so, obtaining the current current and the current voltage of the atomizer; performing calculation according to the current current and the current voltage to obtain the current output power of the atomizer; outputting a corresponding control signal to a power regulating circuit according to the current output power; regulating the output power of the atomizer by the power regulating circuit according to the control signal; returning to the step of obtaining the current current and current voltage of the atomizer. The regulation on the output power of the electronic cigarette can be realized, so that the burning of the atomizer of the electronic cigarette can be avoided; the service life of the atomizer is prolonged; the service life of the electronic cigarette is further prolonged.

The embodiment of the invention provides a DET power supply system of a satellite. The DET power supply system is used for improving the output power of a solar cell array of the DET power supply system of the satellite at the initial stage. The power supply system comprises a solar cell array, a power supply control and distribution unit and a storage battery pack. The power supply control and distribution unit comprises an S3R shunt regulator, an MEA and a reference voltage module. The solar cell array is used for converting the obtained solar energy into electric energy; the S3R shunt regulator is used for carrying out shunt control according to the differential signal; the MEA is used for carrying out amplification and integration according to the difference value between the referencevoltage and the bus voltage obtained through control of the S3R shunt regulator to obtain a differential signal and outputting the differential signal to an S3R shunt controller; the reference voltage module is used for generating the reference voltage; the storage battery pack is connected with a bus and used for charging and discharging according to shunt control; the reference voltage module is specifically used for generating different target reference voltages; and the S3R shunt controller is specifically used for carrying out control according to the target differential signal control to obtain different target bus voltages.

The invention provides thermal conductivity coefficient measurement equipment based on a thermoelectric semiconductor. The thermal conductivity coefficient measurement equipment comprises a sample tube, a sample tube support and a controller, wherein the sample tube comprises a heat insulation sleeve, a heating device, a first temperature sensor, a second temperature sensor, the thermoelectric semiconductor and a potential measurement device; the heat insulation sleeve is made of a heat insulation material and is of a hollow cylindrical structure; one end of the heat insulation sleeve is closed, and the other end of the heat insulation sleeve is opened; the heat insulation sleeve is fixed on the sample tube support and is used for accommodating the heating device, a sample and the thermoelectric semiconductor. According to the equipment, the thermoelectric semiconductor is adopted for measuring heat passing through the sample, a temperature stabilizing process is automatically controlled through proportion integration differentiation (PID), errors caused by multi-point temperature measurement are reduced, the temperature stabilizing process is accelerated, and thermal conductivity coefficients of a material at different temperatures can be measured.

The invention relates to the electronic circuit technology, in particular to a Z-source inverter circuit. The Z-source inverter circuit comprises a Z-source network and a single phase inverter circuit. The Z-source inverter circuit is characterized in that the Z-source network is composed of a diode D1, a diode D2, an inductor L1, an inductor L2, a capacitor C1, a capacitor C2, an IGBT transistor S1, an IGBT transistor S2, an IGBT transistor S3 and an IGBT transistor S4. The drain electrode of the S1 is connected with the positive electrode of a power source E, and the source electrode of the S1 is connected with the negative electrode of the diode D1. The source electrode of the S1 passes through the inductor L1 and then is connected with the drain electrode of the S2. The source electrode of the S1 sequentially passes through the inductor L1, the diode D2 and the capacitor C2 and then is connected with the drain electrode of the S3 and the drain electrode of the S4. The positive electrode of the diode D1 is connected with the negative electrode of the power source E, and the positive electrode of the diode D1 sequentially passes through the inductor L2 and the capacitor C1 and then is connected with the source electrode of the S1. The positive electrode of the diode D1 is connected with the source electrode of the S3. The Z-source inverter circuit has the advantages that the starting impact problem and the overlarge device stress problem of the system can be effectively solved, and meanwhile wide-range and effective adjusting can be conducted on the output power of the inverter circuit. The Z-source inverter circuit is particularly suitable for Z-source inverter circuits.

The invention discloses an efficient permanent-magnet synchronous variable-frequency screw air compressor. The efficient permanent-magnet synchronous variable-frequency screw air compressor comprises a screw air compressor main machine and a permanent-magnet motor. The permanent-magnet motor is installed on the upper surface of a first base plate through a lower installation plate. The first base plate is installed on one side of the upper surface of the base. The upper surface of the second base plate is provided with the screw air compressor main machine. The output end of the permanent-magnet motor is connected with the input end of the screw air compressor main machine through a transmission shaft. A frequency converter is installed on one side of the upper surface of the first base plate. The side, close to the permanent-magnet motor, of the base is provided with a draught fan. The air outlet end of the draught fan is connected with the inner portion of a heat energy recycling box. The upper surface of the side, close to the second base plate, of the first base plate is provided with a miniature draught fan. According to the efficient permanent-magnet synchronous variable-frequency screw air compressor, it is guaranteed that the permanent-magnet motor continuously conducts outputting at a certain power through the frequency converter, and the reliability of the screw air compressor is improved; and meanwhile, the whole screw air compressor is cooled through the draught fan and the miniature draught fan, heat energy is recycled, and the energy consumption is reduced.

The invention is applicable to the technical field of direct-current charging, and provides a power distributing method and a power distributing device of a charger. The device comprises a conversion module, a detection module and a switching module, wherein the conversion module is used for converting an input alternating current into multiple paths of direct current and charging multiple external appliances through multiple charging thermals; the detection module is used for detecting a voltage and/or a current needed by each charging terminal in real time and generating a control instruction for adjusting the voltage and/or the current of each charging terminal; the switching module is used for regulating the flow direction of each path of direct current to each charging terminal, so as to adjust the voltage and/or the current of each charging terminal. The power distributing device can make the charging terminals of the charger output multiple kinds of charging power through distributing the power output by each charging terminal of the charger; moreover, the size of each kind of charging power can be regulated according to a practical condition; the charging demands of different external appliances are met; the utilization rate and the charging efficiency of the charger are improved.

The invention provides an intelligent access control recognition system based on voice recognition. The intelligent access control system comprises a first sound sensor, a second sound sensor, a thirdsound sensor, a characteristic quantity extraction unit, a signal processing circuit, a signal processing unit, a signal generation unit, a signal receiving unit, an intelligent access control processor, an image acquisition unit, an image comparison unit and an access controller; according to the invention, the first sound sensor can realize recognition of the voice characteristic quantity to distinguish the voice processing modes, then the second sound sensor or the third sound sensor is used to receive the user voice signals, and the voice signals are processed through respective signal processing modes, so that the voice recognition precision can be greatly improved.

The embodiment of the invention provides a storage medium, a photovoltaic power generation system and a control method thereof. The photovoltaic power generation system comprises a photovoltaic panel, an energy storage module, a photovoltaic inverter and a controller. The controller is used for controlling a main DCDC converter in at least two DCDC converters to work in a constant low-voltage mode under the condition that starting of the photovoltaic inverter is completed so as to start a battery connected with the low-voltage side of each DCDC converter, and under the condition that battery starting is finished, controlling at least one DCDC converter except the main DCDC converter to work in a constant power mode, controlling the main DCDC converter to stop, and controlling the sum of the output power of all DCDC converters according to the output power of the photovoltaic panel, the current input power of the photovoltaic inverter and the rated power of the photovoltaic inverter, so that when the main DCDC converter is not switched to the constant power mode, the input power of the photovoltaic inverter can be adjusted through the other DCDC converters, and the stability of the input power of the photovoltaic inverter is improved.

The invention provides a power supply regulating method and electronic equipment. The power supply regulating method includes acquiring working state information; regulating output voltages of power supplies on the basis of the working state information. The power supply regulating method and the electronic equipment have the advantages that the output voltages of power supply equipment can be adaptively controlled according to working states of the electronic equipment, and accordingly effects of saving energy and protecting environments can be realized.

The invention relates to an urban wastewater treatment device which comprises a device shell, a filtering plate, a stirring shaft I, a chain wheel I, a universal wheel, an ultraviolet disinfection lamp, a water inlet pipe, a cover plate and a shock pad, wherein the upper end of a connecting shaft II passes through the device shell and extends into the device shell; a chain wheel IV is mounted on the connecting shaft II; a chain wheel I is mounted at the upper end of the connecting shaft II; the stirring shaft I and the stirring shaft II are both mounted at the bottom in the device shell; the stirring shaft I is positioned on the left side of the connecting shaft II; the stirring shaft II is positioned on the right side of the connecting shaft II; chain wheels II are mounted on the stirring shaft I and the stirring shaft II respectively; an air purifier is mounted at the upper end of a base and positioned on the right side of the device shell; the upper end of the air purifier is connected with the device shell through a connecting pipe; the filtering plate is fixed in the device shell. The urban wastewater treatment device provided by the invention has the advantages of energy conservation and environmental protection, good wastewater treatment effect, convenience movement and good damping effect.

The invention belongs to the technical field of engine speeders, and particularly discloses an output power speeder of a heat energy power engine. The output power speeder comprises a protection shell, a combustion bin, a compressor, an engine body and a control box. The combustion bin is arranged in the middle of an inner cavity of the protection box, and an oil inlet pipe penetrating through theprotection shell is arranged on the right side wall of the combustion bin. A solenoid valve is arranged on the oil inlet pipe, and a pressure sensor is arranged at the top of the right side wall of the combustion bin. The output power speeder is reasonable in structure, and the output power of the engine is detected through a rotating speed sensor; by means of the cooperation of a monitoring terminal, a data transmission module, a processor, a driver and the solenoid valve, the flow of the oil inlet pipe can be controlled conveniently through the solenoid valve, and therefore the output powerof the engine is adjusted; and a temperature sensor and the pressure sensor are arranged in the inner cavity of the combustion bin, the situation that the temperature and pressure in the combustion bin are too high, and consequently cylinder exploding is caused is avoided, and safety performance is improved.

The invention relates to a solar water heat storage system used for heating. The solar water heat storage system comprises a solar heat collector and a water inlet pipe arranged in a manner of communicating with the solar heat collector. The solar water heat storage system further comprises a softening assembly, a heat insulation assembly and an adjusting assembly, wherein the softening assembly is used for avoiding the situation that water scales are generated to block pipelines, the heat insulation assembly is used for avoiding heat losses of the solar heat collector, and the adjusting assembly is used for controlling the temperature of heated stored water. The softening assembly comprises a reaction pipe arranged on the water inlet pipe, a through hole net plate arranged in the reactionpipe and a reaction part arranged in the through hole net plate and used for softening running water. In short, according to the technical scheme, compared with a traditional solar heating supply system, the problems that in the traditional solar heating supply system, water scales are prone to being generated to block pipelines, and heat of a solar heat collector is prone to being lost are effectively solved, and the problem that the traditional solar heating supply system is lack of an adjusting system used for achieving heat insulation and heating on heated stored water is further solved.

The invention relates to the field of household appliances, and discloses a method for adjusting the temperature of a power device in a household electrical appliance, a device for adjusting the temperature of the power device in the household electrical appliance, and the household electrical appliance. The method comprises the following steps of controlling the household electrical appliance tooutput at an output power; detecting the temperature of the power device; after the temperature of the power device is stable, adjusting the output power of the household electrical appliance, so thatthe power device is at an optimum temperature. The device corresponds to the method, and comprises a temperature detection device, a driving circuit and a controller. The household electrical appliance comprises the device. According to the method and device for adjusting the temperature of the power device in the household electrical appliance and the household electrical appliance, the household electrical appliance enables the power device to be at the optimum temperature by automatically adjusting the working power of the household electrical appliance, so that the function that the lowest temperature rise of the power devices can be realized, and the temperature rise of the different household appliances can be automatically adjusted are achieved.

The invention discloses a power management method for an electric lifting table, and belongs to the field of electric lifting tables. The power management method for the electric lifting table can reasonably distribute the output power of a power supply of the lifting table. The power management method for the electric lifting table comprises a power management system; the power management system comprises a power module used for providing direct current, a charging module used for outputting power to the outside, and a control module which comprises a communication circuit and an MCU control circuit, wherein the MCU control circuit is used for controlling the operation state of a lifting table stand column, and the communication circuit is used for obtaining a state signal in the power management system. The power management method comprises the following steps of: acquiring a state signal in a power management system through a communication circuit; analyzing the state signal, and judging the operation state of a stand column and the working state of a charging module; and adjusting the output power of the charging module according to the operation state of the stand column.