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 discloses a zero leakage external firing heat engine, which relates to the technical field of heat energy conversion. The zero leakage external firing heat engine aims to solve the problem of the low heat conversion efficiency and insufficient combustion of the conventional internal combustion engine, the problem that the conventional Stirling engine has a low power-to-weight ratio and zero leakage cannot be realized due to difficulties in sealing, and the like. An outward ventilation valve is connected with a closed chamber formed by communicating an air guiding cylinder chamber with the upper part of a dowork cylinder chamber; a conduction start point of the ventilation valve is that an air guiding piston moves between positions which are 20 degrees in front of and behind the top of the high temperature end of the air guiding cylinder chamber; the conduction angle of the ventilation valve 6 is between 5 and 30 degrees; and all movable sealing positions and the outward ventilation port of the ventilation valve are sealed in a closed shell. The zero leakage external firing heat engine can directly and efficiently convert combustion heat energy of fuels into mechanical energy and realize zero leakage; the internal movable sealing part technology of the engine can meet working requirements by adopting the prior art; the power-to-weight ratio is extremely high; and the convention efficiency is 20 percent to 80 percent.

The invention discloses a self-starting large-scale Darrieus fan with auxiliary wing variable pitch. The fan comprises a base, a tower and a wind wheel assembly, wherein the wind wheel assembly is arranged at the top end of the tower and comprises a wind wheel shaft, multiple main wings, multiple auxiliary wings and multiple variable-pitch drive devices; the multiple main wings are distributed atan evenly spaced way around the circumferential direction of the wind wheel shaft; each main wing is fixedly connected with the wind wheel shaft through a connecting assembly; the multiple auxiliary wings are distributed at an evenly spaced way around the circumferential direction of the wind wheel shaft, are arranged on one sides, close to the wind wheel shaft, of the multiple main wings in a one-to-one correspondence way, and are rotatably connected onto the connecting assemblies between a first position and a second position around the vertical axis; and the multiple variable-pitch drive devices are used for driving the auxiliary wings to rotate between the first position and the second position. According to the fan provided by the invention, on the premise of ensuring low speed and astarting performance, the wind energy conversion rate of the fan at high speed is ensured.

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 a composite wind power generation device based on reverse electrowetting and electromagnetic induction. The composite wind power generation device comprises an upper substrateand a lower substrate which are arranged in parallel. A permanent magnet generator is located on a center shaft. The top of the center shaft is connected with fan blades. A first electrode layer, a first dielectric layer and a low surface energy material layer are sequentially arranged on the lower surface of the upper substrate. A second electrode layer and a second dielectric layer are sequentially arranged on the upper surface of the lower substrate. An electric conduction liquid drop array is fixed to the second dielectric layer. The permanent magnet generator is connected with the first electrode layer and the second electrode layer through a rectifying circuit. The composite wind power generation device has the beneficial effects that the electromagnetic generator provides a bias voltage source for a reverse electrowetting device, the output power of the electromagnetic generator and the output power of the reverse electrowetting device can be set correspondingly according to different needs, and the output power ratio of two different power generation devices can be adjusted. Through rotating motion of the substrates, conversion of wind energy into electric energy is achieved, the efficiency of converting mechanical energy into electric energy is improved, and the level of achieving practical application is achieved.

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 provides a circuit for regulating and controlling an output power of a power supply, which comprises signal generating circuit, a photoelectric coupling circuit, a transformation switching circuit and a thyristor. The thyristor is connected between the power supply and a load. The signal generating circuit generates a first pulse signal having an adjustable duty ratio and provides the first pulse signal to the photoelectric coupling circuit. When the first pulse signal has a high electric level, the photoelectric coupling circuit is closed and the photoelectric coupling circuit outputs a sinusoidal signal. The sinusoidal signal is converted into a second pulse signal through the transformation switching circuit so as to control the on and off of the thyristor. When the second pulse signal has a high electric level, the thyristor is turned on and the power supply supplies a power to the load; and when second pulse signal has a low electric level, the thyristor is turned off and the power supply does not supply the power to the load. The circuit for regulating and controlling the output power of the power supply uses the photoelectric coupling circuit to isolate the signal generating circuit and the transformation switching circuit. The photoelectric coupling circuit can effectively inhibit common code interference, and the signal generating circuit regulates and controls the output power of the power supply in unit time by regulating the duty ratio of the first pulse signal.

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.

A zero-leakage type Stirling engine relates to the technical field of conversion of thermal energy and aims to solve the problems that in the existing combustion motor, the thermal conversion efficiency is low, the combustion is incomplete so as to cause a large number of pollutive gas to be discharged into the air; and in the existing Stirling engine, power / weight ratio is small, sealing is difficult and zero leakage can not be realized. A sealed cavity of the Stirling engine is connected with an external air vent valve, a conduction initial point of the air vent valve is at a part with internal system pressure of the sealed cavity of the Stirling engine is just between a value being equal to an ambient pressure value and a value being rotated for 20 degrees, the conduction angle of the air vent valve is ranged from 5 degrees to 25 degrees, the movable sealing positions of all parts of the Stirling engine and the external air vent port of the air vent valve are all sealed in a closed shell, and the pressure of gas working fluid in the closed shell is 1-300 atmospheric pressure or higher. By the zero-leakage type Stirling engine provided by the invention, combustion thermal energy of fuel can be directly and effectively converted into mechanical energy, zero leakage and huge power / weight ratio can be realized, and the conversion efficiency is ranged from 20 percent to 80 percent.

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 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 technical field of fiber lasers, and particularly to a fiber laser power control device. The fiber laser power control device comprises a shell, the bottom end of the shell is connected with a plurality of supporting mechanisms. The shell is fixedly connected with an overhauling plate, and a control assembly is connected into the shell. The upper end of the shell is connected with a display screen, the upper end of the shell is connected with an adjusting button, and one side of the shell is rotationally connected with a supporting plate. The upper end of the supporting plate is fixedly connected with a partition plate. The bottom end of the supporting plate is rotationally connected with an inserting rod. A fixing block is fixedly connected to the shell and located below the supporting plate, a through hole is formed in the upper end of the fixing block and matched with the inserting rod, elastic blocks are fixedly connected to the two sides of the lower surface of the supporting plate, a plug is fixedly connected to one side of the shell, a sliding groove is formed in the plug, and a baffle is connected to the sliding groove in a sliding mode. The invention also provides a fiber laser power control method. According to the invention, the adjustment precision is higher, and the output power of the fiber laser is adjusted accurately.

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 discloses a gear mechanism electromagnetic type sole vibration energy collector with a speed change function. The collector comprises a box body, a first rack penetrating out of the bottom face of the box body is arranged at one corner in the box body, a first rotating shaft and a second rotating shaft are sequentially arranged on the box body from one side of the first rack, and the ends of the two rotating shafts are rotationally connected with the box body; the box body is transversely provided with a second rack and a driving gear on one side of the second rotating shaft; one side of the second rack is attached to the inner wall of the box body, and the other side of the second rack is provided with insection and meshed with the driving gear; the driving gear is rotationally connected with the box body through a third rotating shaft, and anti-symmetric pawls are arranged on the top face of the driving gear; the top end of the third rotating shaft is rotationally connected with a ratchet wheel; and a magnet is fixedly arranged on the periphery of the ratchet wheel, and a coil as high as the magnet is fixedly arranged at the position, corresponding to the magnet, of the inner wall of the box body. The invention aims at providing the electromagnetic type sole vibration energy collector with the speed change adjusting function.

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 discloses a self-starting large-scale Darrieus fan with auxiliary wing variable pitch. The fan comprises a base, a tower and a wind wheel assembly, wherein the wind wheel assembly is arranged at the top end of the tower and comprises a wind wheel shaft, multiple main wings, multiple auxiliary wings and multiple variable-pitch drive devices; the multiple main wings are distributed atan evenly spaced way around the circumferential direction of the wind wheel shaft; each main wing is fixedly connected with the wind wheel shaft through a connecting assembly; the multiple auxiliary wings are distributed at an evenly spaced way around the circumferential direction of the wind wheel shaft, are arranged on one sides, close to the wind wheel shaft, of the multiple main wings in a one-to-one correspondence way, and are rotatably connected onto the connecting assemblies between a first position and a second position around the vertical axis; and the multiple variable-pitch drive devices are used for driving the auxiliary wings to rotate between the first position and the second position. According to the fan provided by the invention, on the premise of ensuring low speed and astarting performance, the wind energy conversion rate of the fan at high speed is ensured.

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 provides an intelligent access control recognition system based on speech recognition, which includes a first sound sensor, a second sound sensor, a third sound sensor, a feature extraction unit, a signal processing circuit, a signal processing unit, a signal generation unit, a signal A receiving unit, an intelligent access control processor, an image acquisition unit, an image comparison unit, and an access control controller, wherein the first sound sensor can realize the recognition and distinction of speech feature quantities, and then use the second sound sensor or the third sound sensor Receive the voice signal of the user, and then process the voice signal through their respective signal processing methods, which can greatly improve the accuracy of voice recognition.

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 gear mechanism electromagnetic foot vibration energy harvester with the function of speed change, which comprises a box body, a first rack that passes through the bottom surface of the box body is arranged at one corner of the box body, and the box body starts from the first rack One side is provided with a first rotating shaft and a second rotating shaft in sequence, and the ends of the two rotating shafts are connected to the box body in rotation, and the box body is provided with a second rack and a driving gear laterally on one side of the second rotating shaft; One side of the rack is attached to the inner wall of the box, and the other side is provided with tooth lines and meshed with the driving gear; the driving gear is connected to the box through the third rotating shaft, and the top surface of the driving gear is provided with anti-symmetrical ratchets. claw; the top of the third rotating shaft is rotatably connected with a ratchet; the outer periphery of the ratchet is fixedly provided with a magnet, and the inner wall of the box is fixedly provided with a coil of the same height as the magnet corresponding to the magnet. The invention aims to provide an electromagnetic foot vibration energy harvester with variable speed adjustment function.

The embodiment of the present application provides a satellite DET power supply system, which is used to increase the output power of the solar battery array of the initial DET power supply system of the satellite. The power system includes a solar cell array, a power control and power distribution unit, and a battery pack. The power control and power distribution unit includes a S3R shunt regulator, MEA, and a reference voltage module; the solar cell array is used to convert the obtained solar energy into electrical energy; The S3R shunt regulator is used to perform shunt shunt control according to the differential signal; the MEA is used to amplify and integrate the difference between the reference voltage and the bus voltage obtained by the control of the S3R shunt regulator to obtain a differential signal and send it to the S3R shunt controller Output; the reference voltage module is used to generate the reference voltage; the battery pack is connected to the bus for charging and discharging according to the shunt control; the reference voltage module is specifically used to generate different target reference voltages, and the S3R shunt controller is specifically used to control to obtain different target bus voltages.

The present invention discloses a micro-grid system which comprises a DC power supply device, a first DC / DC conversion device, a battery component comprising a battery, a double-direction converting device, a switch component which is provided with multiple switches and is used for selecting a part of switches in the multiple switches to be turned on according to the command of a user, a first switch which is connected between the double-direction converting device and the switch component, and a controller which is used for controlling the operation mode of the micro-grid system according to the turn-on and turn-off states of the switch component and the first switch, wherein the operation mode of the micro-grid system is a grid-connected mode, the double-direction converting device is used for obtaining the current power of a grid and controlling the output power of the double-direction converting device according to the difference between a preset power and the current power of the grid and a preset PI control mode. The micro-grid system allows a load to run in a grid-connected / grid-off mode, the grid makes up power for the load when the system output power is not enough, and the micro-grid system is prevented from injecting electric energy into the grid. The invention also discloses a control method of a micro-grid system.

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 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.

The invention discloses an aerial coolant cold source system. The aerial coolant cold source system comprises a pressurizing liquid storage component, a pump unit, a thermal load part, a heat radiating device and a filter component which are sequentially connected end to end; the pressurizing liquid storage component, the pump unit, the thermal load part, the heat radiating device and the filter component sequentially communicate with one another through pipelines to form a circulation system; the pipeline between the pump unit and the thermal load part is sequentially provided with a safety valve, a second pressure sensor and a temperature sensor in a direction from the pump unit to the thermal load part; a liquid outlet of the safety valve is connected with a liquid discharging pipeline;and a liquid storage tank is arranged below the outlet of the liquid discharging pipeline. According to the aerial coolant cold source system disclosed by the invention, the temperature and the pressure of a coolant which enters the thermal load part are guaranteed to be within an allowable range so as to guarantee smooth running of a liquid cooling system, and the service lives of to-be-cooled components and parts are prolonged.