55results about How to "Improve atomization efficiency" patented technology

The invention provides a multi-feedback-channel fluid oscillator, and belongs to the technical field of fluid jetting devices. Comprising an oscillation cavity, an inlet, a nozzle and at least three feedback channels, the inlet is formed in one end of the oscillation cavity, the nozzle is formed in the other end of the oscillation cavity, the nozzle and the inlet are oppositely arranged along the central axis of the oscillation cavity, and the feedback channels are circumferentially distributed around the central axis of the oscillation cavity. And each feedback channel is provided with a feedback channel inlet and a feedback channel outlet. Through the configuration design of the multiple feedback channels, the fluid can form feedback control flow through the feedback channels, and the fluid entering the oscillation cavity through the inlet flows along the wall of the oscillation cavity in multiple directions and is switched through the coupling effect of the fluid coanda effect and multi-channel backflow feedback. And finally, multi-direction sweeping self-oscillation jet flow is formed at the nozzle, so that the space coverage range and the atomization efficiency of the jet flow are greatly improved.

The invention belongs to the technical field of metal materials and radiation protection, and particularly relates to a preparation method of thermal neutron shielding steel. According to the method, efficient spray forming of the B4C / 304 stainless steel composite material is achieved through a gas-solid two-phase flow driving mechanism under the negative pressure environment, B4C ceramic particles are evenly dispersed and embedded into a 304 stainless steel matrix, and due to the strong driving force of gas-solid two-phase flow, firm interface bonding is formed between the B4C particles and the matrix. According to the process, gas atomization and solid-phase medium particles are combined, a gas-solid two-phase mixed flow is formed, the atomization efficiency is greatly improved, the powder particle size is refined, reinforced phase distribution is optimized, and a new way is opened up for preparation of the high-performance thermal neutron shielding steel composite material.

The invention provides an electronic atomization device, an atomization assembly for the electronic atomization device and a preparation method. The electronic atomization device comprises a liquid storage cavity; the porous body comprises a first side in fluid communication with the liquid storage cavity and a second side deviating from the first side; a plurality of liquid guide holes penetrating from the first side to the second side are formed in the porous body and are used for transferring the liquid matrix from the first side to the second side; a heating element coupled to the second side of the porous body for heating the liquid substrate to generate an aerosol; the ratio of the shortest distance between every two adjacent liquid guide holes to the diameter or width of each liquid guide hole is smaller than 1.0. According to the electronic atomization device, the porous body is provided with the liquid guide holes, the liquid guide rate is kept to be matched with the atomization rate so that the atomization efficiency can be improved, and meanwhile surface local dry burning caused by the fact that a liquid matrix cannot be repeatedly supplied in the atomization process due to the fact that the interval between the adjacent liquid guide holes is large can be reduced.

The invention discloses a distributed single-point intelligent dry oil lubricating device, and relates to the technical field of lubricating devices.The distributed single-point intelligent dry oil lubricating device comprises a shell, an oil inlet is formed in the upper end of the shell, an operation panel is arranged on the surface of the shell, a plurality of heat dissipation openings are formed in the two sides of the shell correspondingly, and a plurality of first output openings are evenly formed in the side end of the shell; a second output port is formed in the position, on the surface of the shell, of the lower side of the first output port, an oil pump is arranged in the shell, an air pump is arranged on the side edge of the oil pump, and a mixing mechanism for mixing lubricating oil and compressed air is arranged on the side face of the air pump. The lubricating work of short-distance equipment is achieved through a first output port, a second one-way valve is opened, secondary atomization is carried out through a second mixing box, lubricating oil obtained after secondary atomization lubricates long-distance equipment through a second output port, and the lubricating work can be conveniently carried out on the equipment at different distances at the same time.

The utility model belongs to the technical field of cooking equipment, and particularly provides a cooking utensil. In order to solve the problem that an existing cooking utensil is low in use safety, the cooking utensil comprises a machine body, a machine cover, a water receiving container and an atomization device. The machine body is provided with a cooking cavity. The cover is used for opening and closing the cooking cavity. The water receiving container is arranged in the machine body, a water receiving cavity is defined in the water receiving container, and the water receiving cavity is used for receiving condensate water dripping from the machine cover. The atomization device is arranged in the water receiving cavity and used for atomizing condensate water in the water receiving cavity into water mist and then discharging the water mist, the condensate water can be discharged without heating the condensate water to the evaporation temperature, damage caused by high-temperature gas is avoided, the use safety of the cooking utensil is greatly improved, and therefore the use experience of a user is effectively improved.

The utility model is applicable to the technical field of material preparation, and provides a spray head device for high-temperature alloy atomization powdering, which comprises a spray head body, the nozzle is arranged at the top end of the spray head body, a spray hole is formed in the nozzle, the spray head body is fixedly communicated with a liquid inlet pipe, the two sides of the spray head body are both fixedly communicated with air inlet pipes, the two air inlet pipes are both communicated with the liquid inlet pipe, and a compression cavity is formed in the spray head body; the connecting pipe is arranged at the bottom end of the spray head body; the adjustable fixing mechanism is arranged on the connecting pipe and used for being matched with the spray pipes with different thicknesses; and the cooling mechanism is arranged on the spray head body and is used for cooling the spray head body. According to the spray head device for high-temperature alloy atomization powder preparation, the spray head can be effectively cooled, the atomization efficiency is improved, the powder quality is improved, and the spray head device can be matched with spray pipes with different thicknesses.

The embodiment of the invention provides an atomization device and an electronic cigarette. The atomization device comprises a shell, and an air outlet channel is formed in the shell; the atomization assembly is arranged in the shell and divides the interior of the shell into an oil storage cavity and an atomization cavity, the ventilation structure is arranged between the air outlet channel and the shell, and the ventilation structure is provided with at least part of a ventilation channel; when the pressure difference between the atomization cavity and the oil storage cavity is larger than or equal to the set threshold value, the air exchange channel is configured to be communicated with the atomization cavity and the oil storage cavity, it is guaranteed that tobacco tar in the oil storage cavity smoothly flows to the atomization assembly, meanwhile, the influence of air exchange on air outlet can be avoided, and the atomization stability and the atomization efficiency of the atomization device are improved.

The utility model relates to a sample introduction tube technical field especially, it relates to a kind of support device of ICP equipment sample introduction tube, including fixed frame;Still including installation sliding column, fixed frame top is fixedly connected with installation sliding column, rack is slidably connected in installation sliding column interior, installation sliding column side is equipped with slot, slot side is equipped with installation disc, installation disc is fixedly connected with gear, installation disc center is rotatably connected with rotating sleeve, rotating sleeve is fixedly connected with fixed support on, fixed support is rotatably connected with buckle on, buckle and gear are movably connected;The utility model is through rack, gear and rotating thread strip, the precise adjustment of the height of sample introduction tube is realized, the sample introduction demand of atomizer can be accurately matched, to improve atomization efficiency, and enhance the stability and sensitivity of detection signal, and appropriately reduce sample introduction height can reduce atomizer blockage risk, improve height can reduce the volatilization loss of sample in transmission process, prolong the life of key components.

The present invention discloses a method for elemental imaging of single cells using LIBS-MS combined with flow cytometry, including preparing a single cell suspension labeled with a metal isotope label antibody, delivering the single cell suspension to an erosion area by flow injection, performing high-speed scanning of the erosion area by femtosecond laser ablation, performing LIBS detection and ICP-TOF-MS detection, and comparing the detection signals with each other to form a single cell comprehensive imaging. On the other hand, the present invention discloses an analyzer combined with LIBS-MS, including a single cell sample automatic injection system, a femtosecond laser ablation atomization module, a sample pool, a fiber optic spectrometer, and an inductively coupled plasma time-of-flight mass spectrometer. The LIBS-MS combination of the present invention obtains more comprehensive elemental information and a wider content dynamic range, combining the advantages of high throughput of flow technology, high number of detection channels of mass spectrometry detection, low interference between channels, and providing in-situ information of imaging technology; at the same time, the analyzer can also detect a variety of samples such as aqueous solutions and tissue sections, and is suitable for a variety of different detection scenarios.

The device is arranged in the combustion chamber, a flame tube is arranged in the combustion chamber, and the device comprises a high-pressure fuel spray pipe and a concentric-square-shaped evaporation pipe; the high-pressure fuel spray pipe penetrates through the side wall of the combustion chamber and is connected with a high-voltage power supply to serve as an anode; the concentric-square-shaped evaporation pipe penetrates through the side wall of the flame tube to serve as a cathode; an anode oil spraying opening of the high-pressure fuel oil spraying pipe and a cathode expanding type fuel oil opening of the concentric-square-shaped evaporation pipe are coaxially arranged, and the end of the anode oil spraying opening extends into the cathode expanding type fuel oil opening. Through high-voltage arc discharge, fuel oil is physically promoted to be split into tiny liquid drops, and macromolecular fuel oil is partially split into micromolecular fuel with higher chemical activity, so that the chemical reaction rate is greatly increased, and rapid and sufficient combustion of the fuel oil is realized.

This utility model relates to the field of water spraying devices, and more particularly to a high-pressure fine water mist spraying device, including a water tank; it also includes a cleaning seat and a nozzle. A filter screen is fixedly connected inside the water tank, and a cleaning seat is provided between the water tank and the filter screen. A water pump is fixedly connected to the upper end of the inner wall of the water tank and inside the filter screen. A support base and a controller are fixedly connected to the upper end of the water tank, and an internal toothed ring is rotatably connected to the inner wall of the support base. Through the use of the cleaning seat, external water is filtered through the filter screen, effectively intercepting impurities in the liquid, preventing nozzle clogging, and improving atomization efficiency. The water pump pumps the filtered water in the water tank to the distribution pipe, and the water is sprayed out by the nozzle for water spraying. After a period of use, the cleaning seat moves up and down to thoroughly remove the sediment on the outer wall of the filter screen and the inner wall of the water tank. Regular cleaning is performed, which has a high degree of automation, improves the cleaning effect and efficiency, reduces the maintenance frequency, and extends the service life of the nozzle.

According to the jet type atomization device and the atomization method, a specific airflow channel is constructed, so that high-speed airflow is jetted to central liquid flow from the periphery, and front and violent momentum exchange type collision is formed at an outlet of a mixing cavity instead of simple shearing, so that superfine atomization is realized at a lower gas-liquid ratio; the collision structure ensures that the whole cross section of the liquid flow can be violently impacted and broken by the air flow, so that the overall atomization uniformity is improved, and the generation of large-particle-size liquid drops is avoided; the head of the nozzle is arranged in the special through hole or the sleeve on the wall surface of the pipeline, and the protective gas hood is utilized to form a heat insulation barrier, so that a key injection part of the nozzle is not directly exposed in mainstream high-temperature fuel gas, continuous impact of hot airflow and particles is avoided, carbon deposition is remarkably reduced, and the service life of the nozzle is prolonged. And meanwhile, due to the modular design, the nozzle is convenient to maintain and use in different application scenes.

The utility model relates to the technical field of electronic cigarettes, and discloses a ceramic atomization core heating wire which comprises a heating wire body and a grabbing foot. The two ends of the heating wire are electrically connected with the two electrodes respectively. At least two heating wires are wound on the ceramic atomizing core side by side at a set interval in a snake-shaped or bow-shaped manner, and the two heating wires are densely distributed to form a heating area; and the electrode and the heating wire in the heating area are fixed on the ceramic atomizing core through grabbing feet. The at least two heating wires are arranged on the ceramic atomizing core side by side at the set interval, so that the heating uniformity is ensured, the atomizing efficiency and quality are improved, the fine taste and plumpness are improved, local heat accumulation can be effectively avoided, and carbon deposition generated by insufficient combustion is reduced; the coiled heating wire is fixed through the grabbing feet, the position of the heating wire is stabilized, the risk that the heating wire shifts or is separated from the atomization core is reduced, and therefore heating uniformity is kept.

This invention discloses a porous ceramic atomizing core and its preparation method, relating to the field of atomizing core production technology. The method for preparing a porous ceramic atomizing core involves stacking a porous heating layer on top of a porous oil storage layer, and then pressing them together to obtain an atomizing core green body. The green body is then degreased and sintered to obtain the porous ceramic atomizing core. The porous heating layer consists of a porous ceramic green body substrate and a heating film. The porous oil storage layer is a single porous ceramic green body substrate, or multiple porous ceramic green body substrates stacked and pressed together. The preparation method of this invention prints the heating film onto the porous ceramic green body substrate, then presses it together with the porous oil storage layer and co-fires it. This results in a porous ceramic atomizing core with a tight bond and high matching degree between the heating film and the porous ceramic green body substrate, leading to a long service life and high product quality, suitable for large-scale production.

The invention provides an atomization device and a liquid storage structure thereof, and relates to the field of electronic atomization device.The liquid storage structure comprises a first shell, a second shell, a liquid storage part and an atomization assembly, the first shell and the second shell are installed in a matched mode to jointly define a liquid storage cavity, the liquid storage part is arranged in the liquid storage cavity, and the atomization assembly is arranged in the liquid storage cavity; the liquid storage part is used for storing an aerosol matrix, the atomization assembly is arranged in the liquid storage part and used for heating the aerosol matrix to form aerosol, and the first shell and / or the second shell at least partially abut against the liquid storage part so as to extrude the liquid storage part. According to the liquid storage structure, the speed of the aerosol matrix flowing into the atomization assembly can be increased, the atomization efficiency is improved, the residual quantity of the aerosol matrix in the liquid storage part can be reduced, and the utilization rate of the aerosol matrix is increased.

The present application relates to the field of cigarette technology, and particularly relates to a production method of a heat-not-burn cigarette and a cigarette. The production method of the heat-not-burn cigarette comprises the following steps: common tobacco shred production: mixing a tobacco powder mixture with a porous fiber base material to press a common tobacco sheet with a set thickness, and cutting the common tobacco sheet to obtain common tobacco shreds; heat-conducting tobacco shred production: attaching a heat-conducting metal material on the common tobacco sheet or attaching the heat-conducting metal material on the porous fiber base material to obtain a heat-conducting sheet, the surface density of the heat-conducting sheet being the same as that of the common tobacco sheet, and cutting the heat-conducting sheet to obtain heat-conducting tobacco shreds; and cigarette production: uniformly mixing the heat-conducting tobacco shreds and the common tobacco shreds with a set proportion, and rolling the heat-conducting tobacco shreds and the common tobacco shreds into cigarettes by using a cigarette rolling machine. The present application can improve the heat-conducting performance of the cigarette while not increasing the suction resistance, increase the release amount of smoke during smoking, and ensure the consistency of the product.

The electronic atomization assembly comprises an outer shell, an atomization top cover and an atomization bottom cover which are sequentially arranged from top to bottom, and further comprises a gas outlet channel, a gas inlet channel, a gas outlet channel, a gas inlet channel, a gas outlet channel and a gas outlet channel, the conductive nail penetrates through the heating end of the atomization bottom cover and extends below the inner end of the air outlet channel; the oil guide channels are symmetrically arranged on the two sides of the conductive nail; each oil guide channel is mounted on the atomization top cover and is arranged between the oil storage bin and the conductive nail; each atomizing core is arranged at the oil outlet end of the corresponding oil guide channel, and the included angle between the pair of atomizing cores is of a reducing structure from bottom to top; the air guide hole is formed in the atomization bottom cover and located between the pair of atomization cores. Compared with the prior art, the utility model has the beneficial effects that by improving the layout of the conductive nail, the oil guide channel and the atomizing core, the gas path flow is smoother, the formed gas mist is fuller, and better suction experience is provided for users.

This invention provides a ceramic heating element, comprising a porous substrate and multiple thermally conductive layers disposed within the porous substrate. The multiple thermally conductive layers are stacked vertically within the porous substrate, and each thermally conductive layer comprises multiple aluminum nitride microspheres, with the aluminum nitride microspheres in adjacent layers in contact with each other. The ceramic heating element provided by this invention has high thermal conductivity and good oil and gas conduction effects, improving temperature uniformity and atomization efficiency, thereby enhancing the atomization effect. This invention also provides a method for preparing the ceramic heating element and an electronic cigarette atomizer.

The embodiment of the invention provides an ultrasonic atomization piece, an atomizer and an aerosol generating device, the ultrasonic atomization piece comprises piezoelectric ceramic and a metal micropore piece, and an avoiding through hole is formed in the middle area of the piezoelectric ceramic. The metal micropore piece comprises a flat plate part and a protruding part. The flat plate part is attached to the piezoelectric ceramic, the protruding part corresponds to the avoiding through hole, the outline of the protruding part is a spherical crown face, the protruding direction of the protruding part is opposite to the avoiding through hole, the protruding part is provided with a plurality of through micropores, and the metal micropore piece atomizes the aerosol generating matrix into aerosol in the vibration process. Wherein the inner diameter of the bottom of the spherical crown surface of the protruding part is D, the size of the protruding part in the thickness direction of the metal microporous sheet is H, and H / D is larger than or equal to 0.05 and smaller than or equal to 0.15. According to the ultrasonic atomization sheet provided by the embodiment of the invention, the projection part with the spherical crown surface is arranged, and the ratio of the size of the projection part in the thickness direction of the metal microporous sheet to the inner diameter of the bottom of the spherical crown surface of the projection part is set to be 0.05-0.15, so that the atomization amount is increased, and the use experience feeling is further improved.

The invention discloses a high-efficiency atomizing spray head and a maintenance method thereof, and relates to the technical field of power plant denitration, the high-efficiency atomizing spray head comprises a spray head assembly, the spray head assembly comprises a spray pipe and a spray cap fixed at one end of the spray pipe, and a liquid passing channel is formed in the spray pipe; the atomization assembly comprises an inner core and a self-adjusting part arranged in the inner core, the inner core is placed in the liquid passing channel in a matched mode, and an air passing channel is formed between the inner core and the inner wall of the spray pipe. The problems that an existing nozzle is blocked by urea crystals, the atomization effect is poor, and the urea utilization rate is low are solved.

This application relates to the technical field of aerosol generation equipment, providing an atomizer and aerosol generation device to solve the problem of low atomization efficiency. The atomizer includes a seal, a liquid guide, and an atomizing element. The seal has an assembly cavity and an air outlet and a liquid inlet respectively communicating with the assembly cavity, with the air outlet and liquid inlet separated on the seal. The liquid guide is installed in the assembly cavity and communicates with the liquid inlet for liquid guidance. The atomizing element is connected to the liquid guide. The liquid guide and the seal together enclose at least two mutually separated atomization channels. The air outlet communicates with each atomization channel for air guidance, and the liquid inlet is separated from each atomization channel. Each atomization channel contains an atomizing element, and the aerosol generated in each atomization channel flows to the air outlet. This application uses a seal and a liquid guide to enclose at least two mutually separated atomization channels, allowing the aerosol matrix to be atomized individually within each atomization channel.

The application provides an atomizing core, an atomizer and an aerosol generating device. The atomizing core comprises a base, a heating element and an electrical connector. The base comprises a liquid absorbing surface, an atomizing surface and a through hole. The through hole penetrates the atomizing surface and the liquid absorbing surface. The base is used to guide the aerosol generating substrate from the liquid absorbing surface to the atomizing surface. The heating element is arranged on the atomizing surface and comprises at least one elastic part. The elastic part corresponds to the through hole. The electrical connector is arranged in the through hole. One end of the electrical connector is electrically connected to the elastic part, and the other end is used to be electrically connected to a needle of the atomizer. The atomizing core provided by the application is beneficial to improve the situation that the electrical connector separates the heating element from the atomizing surface due to manufacturing tolerance or assembly, thereby improving the stability, reliability of the electrical connection of the atomizing core and reducing the assembly efficiency of the atomizing core.

The utility model provides a heating element, an atomizer and an electronic atomization device.The heating element is applied to the electronic atomization device and used for heating atomized aerosol to form a substrate, and the heating element comprises a base body and a heating film; the base body is provided with a liquid absorbing surface and an atomizing surface which are oppositely arranged; the heating film is arranged on the atomizing surface; wherein a plurality of capillary grooves are formed in the liquid absorption face, a plurality of first micro holes distributed in an array mode are formed in the base body, the width of the capillary grooves is larger than or equal to the diameter of the first micro holes, and the first micro holes at least exist in the capillary grooves so that the first micro holes can penetrate through the atomization face and can be communicated with the capillary grooves. Therefore, the phenomenon that bubbles block liquid inlet can be avoided, the capillary grooves have the capillary effect and can adsorb liquid, store the liquid, increase the liquid storage amount of the base body and improve the liquid storage capacity and the liquid guide capacity of the heating body, and the situation that the liquid base body cannot be supplemented to the heating body in time is avoided; the problems that in the prior art, a heating body of an electronic atomization device is small in liquid storage amount, and a core is prone to being burnt due to dry burning are solved.

This utility model relates to the field of building decoration construction technology, specifically disclosing a spraying device for decorative walls. The device includes a hopper for holding paint and an air supply pipe for conveying compressed air. One end of the air supply pipe is connected to an air pump station, and the other end is connected to an atomizing spraying chamber. The outlet end of the hopper is connected to the paint atomizing spraying chamber, which is equipped with a mesh nozzle located opposite the outlet of the air supply pipe. Paint is input from the hopper outlet into the atomizing spraying chamber and atomized by the input compressed air. The atomized paint fills the atomizing spraying chamber and is blown out by the airflow to the nozzle for spraying. The nozzle has a mesh structure, allowing the paint to be sprayed evenly. Additionally, a separate nozzle is installed on the atomizing spraying chamber, concentrating the paint sprayed from the nozzle area. This solves the problem of paint dispersion during existing spraying methods, resulting in uniform spraying and consistent spray direction, effectively improving spraying efficiency.

This invention discloses an atomizing component, comprising: a flat heating element and a flexible porous body integrally injection molded with the heating element; the flexible porous body includes a main liquid region and a covering region connected to a portion of the side of the main liquid region; the heating element includes a heating part and a connecting part connected to the side of the heating part, the heating part being attached to and exposed on one side of the main liquid region, and the connecting part being at least partially embedded in the covering region. This atomizing component exhibits strong resistance to deformation and good stability of the heating element, thereby improving atomization efficiency. This invention also discloses an electronic atomizing device including the above-described atomizing component, which has the same beneficial effects as the atomizing component.

The embodiment of the invention provides a heating device and an electromagnetic atomizer, the heating device comprises a heating body and an induction coil, and the heating body is used for atomizing an aerosol generating substrate in the electromagnetic atomizer; the induction coil is wound on the peripheral side of the heating body and comprises multiple layers of sub-coils, each layer of sub-coil surrounds the peripheral side of the heating body, and the multiple layers of sub-coils are arranged around the heating body in a layer-by-layer nested mode in the radial direction of the heating body and used for generating a changing magnetic field so that the heating body can generate heat. According to the heating device provided by the embodiment of the invention, the induction coil is formed by arranging the multiple layers of sub-coils in the radial layer-by-layer nesting mode, on one hand, the magnetic field intensity is increased, so that the heating body rapidly rises to the temperature of an atomized aerosol generating matrix, aerosol is rapidly generated, the atomization efficiency is improved, and the effect of stopping after pumping is achieved; and on the other hand, the size of the induction coil in the axial direction can be reduced, so that the induction coil can generate an enough magnetic field for the heating body to generate heat under the condition that the axial size is small.

The utility model relates to a mask wearing position identification type atomizer which comprises an atomization box, the atomization box is connected with a mask through an air guide pipe and a signal line, the signal line is connected with an infrared position detection device arranged in the mask and at the protruding position of the top of the mask, the atomization box is divided into an upper shell and a lower shell, and an LED display panel is arranged on the upper shell. The real-time positions of the mask and the human face are detected through the infrared position detection device, data are transmitted to the MCU, the data are displayed through the LED display panel, if the positions are not in a proper interval, liquid medicine atomization is stopped, and the problems that a traditional force sensor is misjudged due to the face shape and the wearing tightness of a user, and the user feels more comfortable are solved. The atomization efficiency is greatly improved, and the user experience is enhanced.

The atomizing core comprises an oil storage body, a heating piece, a preheating piece and a porous base body, the oil storage body comprises an oil storage pipe and a blocking part arranged at the bottom of the oil storage pipe, an oil storage cavity used for storing tobacco tar is formed in the oil storage pipe, the porous base body is fixedly connected with the bottom of the oil storage body, and oil guide holes corresponding to the porous base body are formed in the blocking part; the heating element comprises a heating and atomizing part, the heating and atomizing part is arranged on the lower surface of the porous substrate, and the heating and atomizing part is used for heating and atomizing tobacco tar after being electrified; the preheating part comprises a preheating part, the preheating part is embedded in the oil storage pipe, and the preheating part is used for heating after being electrified so as to preheat the tobacco tar in the oil storage cavity. The atomizing core can preheat tobacco tar, and the problems that high-viscosity tobacco tar is low in tar guiding speed and prone to being burnt are solved. The utility model further provides an electronic atomizer.

The utility model relates to the technical field of electronic cigarettes, in particular to an electronic cigarette with a hand warming function, which comprises a shell, a control assembly and a heating element, a first containing space and a second containing space which are communicated with each other are formed in the shell, and the first containing space is used for containing the atomization assembly; the control assembly is arranged in the second containing space, the heating part comprises a first heating part and a second heating part which are connected and arranged in the shell, the first heating part is arranged close to the first containing space, and the second heating part is arranged close to the second containing space; the first heating part and the second heating part are electrically connected with the control assembly. According to the technical scheme, the functionality of the electronic cigarette can be improved.

The utility model provides a kind of atomization circuit and atomization device, wherein, atomization circuit includes controller, first switching circuit, first heating drive circuit and second heating drive circuit, first heating body and second heating body are connected head to tail by a cross-over resistance, when heating first heating body, first switching circuit and first heating drive circuit can be triggered to conduct under the control of switching signal and first heating control signal, drive voltage generates drive current through first heating body, second heating body and cross-over resistance, first heating body and second heating body shunt and heat respectively, the current flowing through first heating body is greater than the current flowing through second heating body, first heating body heats aerosol-generating substrate in corresponding position atomization, simultaneously, second heating body can preheat, when switching to heat second heating body, can make second heating body rapidly heat, improve atomization efficiency.