93results about How to "Meet a variety of use needs" patented technology

The invention belongs to the technical field of engineering machinery, and particularly discloses a full-fracture-surface hard-rock tunneling machine cutter disc and a tunneling method. The tunnelingmachine cutter disc comprises a main cutter disc mechanism, an expansion cutter disc mechanism and a connector; the connector is provided with connector mounting holes for connecting a cutter disc driving mechanism; the main cutter disc mechanism comprises a main cutter disc, a first slag removing cutter, a first hob assembly and a first water jet cutter assembly; the expansion cutter disc mechanism includes multiple auxiliary cutter disc mechanisms; each auxiliary cutter disc mechanism includes an auxiliary cutter disc, an auxiliary cutter disc mounting frame and a retractable mechanism; thecutting end of each auxiliary cutter disc is provided with a second hob assembly, a second water jet cutter assembly and a second slag removing cutter. The water jet cutter assembles of the cutter disc can carry out hydraulic incision on tunnel rock, the tunnel rock subjected to hydraulic incision is much looser, then the hob assemblies can roll and crush the much looser tunnel rock, the tunnelingstress is effectively reduced, and hobs are protected; the retractable mechanisms connected with the auxiliary cutter discs can change the cutting diameter of the auxiliary cutter discs, and the full-fracture-surface hard-rock tunneling machine cutter disc is capable of meeting demands of tunnels different in diameter.

The invention provides a nitrogen-doped and carbon-coated magnetic nanoparticle composite microspheres and a preparation method thereof, and belongs to the technical field of materials with an electromagnetic function. According to the method, a glycerin metal complex and a nitrogenous organic compound are taken as main raw materials. A monodispersed glycerin metal complex precursor is prepared according to a self-template method at first; then the surface of the precursor is coated to form a shell by virtue of in-situ polymerization for nitrogenous organic monomers, and a carbon source and anitrogen source are introduced; and finally, calcining is carried out under an inert gas, and a core is subjected to thermal decomposition to form magnetic nanoparticles while the shell is carbonizedto form nitrogen-doped carbon. The nitrogen-doped and carbon-coated magnetic nanoparticle composite microspheres are green and environment-friendly, and efficient and time-saving in preparation process, and suitable for being prepared in a large scale; the electromagnetic parameters of the composite microspheres and the sizes of the magnetic nanoparticles can be regulated and controlled by changing the mass ratio of metal salt to the nitrogenous organic monomers, and an annealing temperature, so that impedance matching and attenuation characteristic are achieved; and the prepared composite microspheres are high in absorption intensity for electromagnetic wave, wide in effective absorption frequency band, easy to prepare in a large scale, and capable of meeting many use needs.

The invention provides a smart brainwave music wearable device capable of adjusting mental states. The device is characterized in that the device includes a head belt, an electroencephalogram acquisition module, a brainwave music generating module, a mental state assessment module, a mental state adjusting module and a brainwave music playing module; and the electroencephalogram acquisition module, the brainwave music generating module, the mental state assessment module, the mental state adjusting module and the brainwave music playing module are arranged in the head belt. The device adopts brainwave music generated by own electroencephalogram to perform emotion adjustment, so that influences on emotion adjustment effects due to different sensitiveness of individuals on conventional musiccan be avoided; and the device has good pertinence on subjects, so that personalized emotion adjustment and various work modes can be realized.

The invention relates to a combined type computer allowing expanded use. The combined type computer comprises an expanding machine and a portable host computer. The portable host computer comprises a CPU chip, a primary memory, a primary hard disk, an integrated sound card, an integrated display card, an integrated network card, a rechargeable battery, a display screen, an internally-arranged loudspeaker box, a first USB interface and a first expanding interface, and a CD-ROM is not arranged. The expanding machine comprises a peripheral power source, a secondary memory, a secondary hard disk, an independent display card, an independent sound card, an independent network card, a CD-ROM, a second USB interface and a second expanding interface, and a CPU chip is not arranged. The portable host computer can be independently used, and is portable, and easy to carry. Functions and performance of the portable host computer can be expanded and enhanced through the expanding machine, and therefore use requirements of users under different environments can be met.

The invention discloses a bidirectional charging head lamp. The bidirectional charging head lamp comprises a shell, a light-emitting module, a power supply, a charging and discharging port, a chargingcoil and a discharging coil. A mounting cavity is defined in the shell; the light-emitting module is arranged in shell; the light-emitting module comprises a circuit board and a light-emitting piecearranged on the light-emitting module; the power supply and the circuit board are in electrical connection; the charging and discharging port is electrically connected with the circuit board; the charging and discharging port is used for wired charging or wired discharging of the power supply; the discharging coil is arranged in the mounting cavity and electrically connected with the circuit board; the discharging coil is used for wireless discharging of the power supply; the charging coil is arranged in the mounting cavity and electrically connected with the circuit board; and the dischargingcoil is used for wireless charging of the power supply. The bidirectional charging head lamp is provided with the wired charging working module, the wired discharging working module, the wireless charging working module and the wireless discharging working module, so that the use scenes of the bidirectional charging head lamp are more diversified, and various use requirements of users are met.

The invention provides a method for producing a nano negative ion vehicle interior fabric with an improved structure, which solves the technical problems that the existing vehicle interior fabrics cannot produce negative ions and cannot effectively solve the problem of vehicle interior pollution. The method comprises the following steps: a, adding 16 parts of nano tourma powder, 5 parts of a dispersing agent, 4 parts of a coupling agent, 3 parts of an antioxidant, 3 parts of an antistatic agent and 70 parts of water, and dispersing the materials by ultrasonic wave to obtain a finishing liquid;b. dumping the finishing liquid into a padding device, dipping the knitted fabric, and then pre-baking and baking the knitted fabric; c. sizing the knitted fabric by a sizing device; d, pasting the knitted fabric and non-woven fabric by a laminating machine to obtain the nano-negative ion vehicle interior fabric; and e. packaging the nano negative ion vehicle interior fabric through a packer. Thefabric has the advantage of strong fabric functionality.

The invention discloses a bottle box assembly for a refrigerator door body, the refrigerator door body and a refrigerator. The bottle box assembly for the refrigerator door body comprises a box body and a baffle. The box body is provided with a storage cavity which is opened upwards. The baffle is arranged on the box body in a pivoted mode between a folded position and an unfolded position. The baffle is constructed to divide the storage cavity into a plurality of sub cavities when being placed at the folded position and can further form one part of the side wall of the storage cavity when being placed at the unfolded position so that the height of the storage cavity can be increased. According to the bottle box assembly for the refrigerator door body, the various using needs of users canbe met, the spatial utilization rate is high and goods can be placed stably.

The invention provides a method for making grain on double sides by suction for artificial leather production. The method is characterized in that the artificial leather wound on a first suction roll and a second suction roll in sequence moves forwards sequentially through the first suction roll and the second suction roll under traction action; one side surface of the artificial leather fits the first suction roll and then grain is made by suction on the side surface of the artificial leather by the first suction roll; the other side surface of the artificial leather fits the second suction roll and then grain is made by suction on the other side surface of the artificial leather by the second suction roll. By the method for making grain on double sides by suction, double-side grain is made during the single manufacturing process, processing procedures are simplified, production efficiency is increased, production cost is lowered, and labor intensity of operation workers is reduced. The invention further provides double-side grain suction-making equipment for artificial leather production; by the double-side grain suction-making equipment, making of double-side grain can be completed during the single manufacturing process, processing procedures are simplified, production efficiency is increased, production cost is lowered, and labor intensity of operation workers is reduced.

The invention discloses a stretcher convenient to lift and put for an ambulance. The stretcher comprises a bed board, wherein dovetail grooves communicated with the side end of the bed board are formed in the upper end of the bed board, dovetail blocks are slidably connected in the dovetail grooves, the upper ends of the dovetail blocks are fixedly provided with a stretcher plate, the two ends ofthe stretcher plate are provided with square cavities, cylinders penetrate through the lower walls of the square cavities, first springs are fixedly arranged between the cylinders and the upper wallsof the square cavities respectively, the upper ends of the cylinders are fixedly sleeved with first annular sleeves, the two sides of the first annular sleeves are symmetrically provided with triangular blocks, the side ends of the triangular blocks are fixedly provided with hooks penetrating through partition plates, the partition plates are fixed to the inner walls of the square cavities, secondsprings sleeving the hooks are fixed between the triangular blocks and the partition plates respectively, the two sides in the square cavities are symmetrically and rotationally connected with wheelframes, the lower ends of the wheel frames are rotationally connected with rollers, the side ends of the wheel frames are fixedly provided with L-shaped rods, the hooks hook vertical rods on the L-shaped rods, and openings providing convenience for the rollers to run through the openings are formed in the lower portions of the wheel frames. The stretcher has various functions and is convenient touse.

The invention provides an inner ring fire cover, a combustor and a gas stove, and relates to the technical field of cookers. The problems that a combustor in an existing kitchen range is single in fire discharge mode and cannot realize extremely small fire discharge are solved. The inner ring fire cover comprises a fire cover body, wherein an inner ring main fire hole, a flame stabilizing groove,a first air distribution channel and a second air distribution channel are formed in the fire cover body, the first air distribution channel communicates with the inner ring main fire hole, the secondair distribution channel communicates with the flame stabilizing groove, and the second air distribution channel and the first air distribution channel are arranged at intervals, so that independentsupply of fuel gas is achieved. The combustor comprises the inner ring fire cover. The gas stove comprises the combustor. The inner ring fire cover, the combustor and the gas stove achieve the purpose of extremely small fire discharge of the combustor, and meet the requirement for extremely small fire cooking of a user.

The invention provides a microscope with adjustable illuminating color temperature and brightness. The microscope is characterized in that a condenser component and an illuminating and dimming device are arranged on a mirror bracket component of the microscope, wherein the illuminating and dimming device comprises a light-emitting diode (LED) module, an illumination adjusting panel, an illumination control circuit board, a power conversion component and a power socket; an illumination control circuit is arranged on the illumination control circuit board; and the condenser component is arranged above the LED module. When the microscope is used, light emitted from the LED module is mixed and provides illumination for an observed specimen through the condenser; and by operating the illumination adjusting panel, the illumination control circuit responds to operation of the illumination adjusting panel, so that current flowing through the LED is controlled, and the brightness or color temperature of the illuminating mixed light is correspondingly adjusted. The color temperature or brightness of the mixed light irradiating the observed specimen can be conveniently adjusted, so that the microscope can adapt to different service environments, different service requirements are met, and a good observation effect is achieved.

The invention provides an environment-friendly degradable bubble packaging bag and a manufacturing process thereof. The technical problems that an existing packaging bag is too complex in structure, capable of meeting simple use requirements, poor in using effect and the like are solved. The environment-friendly degradable bubble packaging bag comprises an inner bag body, a middle bag body and anouter bag body, wherein the inner layer bag body is a shower film layer, the middle layer bag body is a bubble film layer, the outer bag body is a mask layer, and the outer layer bag body comprises, by weight, 80-90% of polyethylene, 1-5% of flame retardants, 2.5-6.5% of plasticizers and 5-10% of biodegradable additives; the middle layer bag body comprises, by weight, 82-92% of plasticizers, 3-9%of plasticizers and 5-10% of biodegradable additives; and the inner layer bag comprises, by weight, 75-85% of polyethylene, 3-9% of antistatic agents, 5-8% of plasticizers, 5-8% of biodegradable additives, and 5-10% of degradant additives. The environment-friendly degradable bubble packaging bag has the advantage of being good in using effect.

The invention relates to the technical field of communication devices, in particular to a communication device hanging rod with high safety factor. The hanging rod comprises a first hanging rod bracket, a second hanging rod bracket, a first connecting rod, a second connecting rod, first hanging rod clamps and second hanging rod clamps. The first connecting rod is fixedly connected to the center ofthe lower side of the first hanging rod bracket, the second connecting rod is fixedly connected to the upper side of the second hanging rod bracket, and fixed holes are formed in the left side and the right side of the first hanging rod bracket and the second hanging rod bracket. The surfaces of the first connecting rod and the second connecting rod are respectively provided with bolt holes, andthe first connecting rod and the second connecting rod are fixedly connected through a fixing bolt. The outsides of the first hanging rod bracket and the second hanging rod bracket are both fixedly connected with the first hanging rod clamps, and connecting side plates are arranged on two sides of each first hanging rod clamp. The hanging rod is simple in structure and convenient to install, and has certain promotion value.

The invention provides a parking air conditioner with solar cell panels. The parking air conditioner comprises a parking air conditioner body arranged on the top portion of a car cab. The parking airconditioner body is an integrated overhead parking air conditioner, and includes a condenser, a compressor, an evaporator, a condensate fan, an evaporation fan and a system connection line which are installed in the parking air conditioner body, and further includes a control panel mounted on the lower surface of the parking air conditioner body. The surface of a shell of the parking air conditioner body is provided with the solar cell panels which are connected with an original car battery and the parking air conditioner body correspondingly through a wiring harness. The solar panels and secondary cells are additionally arranged, and vehicle power is highly increased. Not only isavailable power supply time for the parking air conditioner improved, but power for other electrical equipmentis provided. Needsof drivers for air conditionercomfort are fully met, and driving experience is improved.

The invention discloses an exhaust device with the refrigeration function and the heating function, and relates to the technical field of kitchen and bathroom electrical appliances. With the exhaust device with the refrigeration function and the heating function, the technical problem that the kitchen and bathroom electrical appliances in the prior art are narrow in application range is solved. The exhaust device comprises an air duct shell, a main fan, an electric heater and a semiconductor cooler, wherein the main fan, the electric heater and the semiconductor cooler are installed on the airduct shell. The air duct in the air duct shell is partitioned into an exhaust channel and an air blowing channel by a partition plate. The air outlet of the main fan is connected with the exhaust outlet of the air duct shell through the exhaust channel. The air outlet of the main fan is connected with the air supply port of the air duct shell through the air blowing channel. A valve plate is arranged at one end of the partition plate in a pivoted manner. A switchover motor for driving the valve plate to rotate is arranged on the air duct shell. The electric heater is installed in the air blowing channel. The heat dissipation grille of the semiconductor cooler is installed in the exhaust channel. The refrigeration grille of the semiconductor cooler is installed in the air blowing channel.The exhaust device with the refrigeration function and the heating function can realize the exhaust function, the air blowing function, the heating function, the refrigeration function and the like.

The invention discloses a sunshade blind structure capable of being immediately stopped along with pull, and belongs to the technical field of automobile parts. The sunshade blind structure comprisesa reel, sunshade cloth and a skylight sash. The sunshade cloth is rolled on the outer side wall of the reel in a retractable manner, the reel is mounted in slide rails in such a manner that the reel can rotate around the axis of the reel, the slide rails are arranged on two sides of the skylight sash in the width directions, a damper is arranged in each slide rail, two side shafts are arranged attwo ends of the reel, and each side shaft is in contact with the damper in the slide rail on the same side with the side shaft. The sunshade blind structure capable of being immediately stopped alongwith pull has the advantages that the sunshade cloth can have a function of being immediately stopped along with pull, accordingly, the practicality of a skylight and a sunshade blind can be improved,and the diversified use requirements of personnel in an automobile can be met.

The invention discloses a heat pump hot water system and a hot water system control method. The heat pump hot water system comprises a heat pump unit, a second electromagnetic valve (5) is arranged between a first throttling valve (4) of a heat pump unit and an outdoor heat exchanger (6), a branch is led out of the position between the first throttling valve (4) and the second electromagnetic valve (5), the branch is provided with a second throttling valve (7) and a water side heat exchanger (8) and communicates with a reversing valve (2), and a water inlet and outlet pipe of the water side heat exchanger (8) communicates with a water tank (11). T he heat pump hot water system comprises a refrigeration heat recycling heating water running mode, a direct heat heating water running mode andan independent refrigeration running mode. The heat pump hot water system with the refrigeration heat recycling function achieves the aim of saving energy, and can meet multiple use needs through optimization control.

The invention provides an elastic adjustable sparking plug sealing structure which comprises a spacer bush (6). The spacer bush (6) extends out of a cylinder cover lid (10), a sealing gasket is arranged between the lower end face of the spacer bush (6) and the contact surface of a cylinder cover (11), a pressing plate (3) is arranged on the spacer bush (6) on the inner side of the cylinder cover lid (10), a central hole wall of the pressing plate (3) is connected with the outer circumferential surface of the spacer bush (6) in sleeved mode, the upper end face of the pressing plate (3) is contacted with the top of the cylinder cover lid (10), a spring (4) sleeved on the outer circumferential surface of the spacer bush (6) is arranged below the pressing plate (3), the upper end of the spring (4) butts against the lower end face of the pressing plate (3), the lower end of the spring (4) butts against the inside of a spacer bush spring base (5), and the spacer bush spring base (5) is fixed on the outer circumferential surface of the spacer bush (6). The elastic adjustable sparking plug sealing structure is simple in structure and strong in applicability. Installation distance of the pressing plate (3) is adjusted by using compressibility and flexibility of the spring (4) so as to make up machining error between the spacer bush (6) and a sparking plug installation hole of the cylinder cover lid (10).

The invention discloses a full-automatic wood conveying machine, and relates to the technical field of wood machining. The machine comprises a transmission platform and an arranging high table. The top end of the arranging high table is higher than the top end of the transmission platform, the top end face of the arranging high table is provided with two protruding supporting plates, during use, wood is automatically conveyed to the other end, when a lifting mechanism drives a lifting fork to ascend, the lifting fork drives the wood to jointly ascend, after ascending to the highest position, the wood is conveyed to the upper face of the arranging platform, when the next wood is placed on the arranging high table, the front wood is pushed to move forwards. After a rotation mechanism is started, a discharging shovel is driven to discharge few pieces of wood from the arranging high table, and the wood is placed on a wood pile. Visibly, the full-automatic wood conveying machine automatically places the wood into a pile in order, the labor amount is reduced, and efficiency is improved.

The invention relates to the technical field of medical instruments, in particular to an ophthalmology diagnosis and treatment bed which is characterized in that a movable plate directly facing one end of a bed body is movably mounted on a bottom plate, a lifting plate is mounted on one side, close to the bed body, of the movable plate in an up-down sliding manner, and a headrest support is arranged on one side, close to the bed body, of the lifting plate; a connecting base is fixedly installed on the side, away from the bed body, of the lifting plate and is in threaded connection with the lead screw. A driving bevel gear is fixedly mounted at one end of the transmission shaft; a driven bevel gear is fixedly mounted at the lower end of the screw rod; a threaded pipe matched with the external thread of the transmission shaft is rotationally mounted on the bottom plate through a supporting plate; a sliding block is fixedly installed at the end, away from the driving bevel gear, of the transmission shaft, and a sleeve coaxial with the transmission shaft is rotationally installed on the bottom plate through a supporting plate. The distance between the headrest support and the bed body and the height of the headrest support can be conveniently and flexibly adjusted, so that various use requirements of a patient are met, and the patient is prevented from being tired due to the fact that the patient keeps a fixed posture for a long time.

The invention relates to a building 3D printer and a building 3D printing method. The building 3D printer includes two groups of Z axis support columns, two X axis crossbeams, a Y axis moving beam anda printing assembly; two groups of Z axis support columns are both vertically and oppositely arranged, one sides of the Z axis support columns are provided with a plurality of horizontally disposed carrying frames in a connecting mode, and the carrying frames are inserted in preformed holes of a wall in a connecting mode; the X axis crossbeams and the Z axis support columns are mutually-perpendicular and slidably connected; two ends of the Y axis moving beam are separately and slidably connected with the two X axis crossbeams; and the printing assembly is arranged at the Y axis moving beam and is slidably connected with the Y axis moving beam. According to the building 3D printer, the multiple carrying frames are arranged at the Z axis supports and are arranged in the wall in a penetrating mode, and the printer can be arranged at constructed building wall, so that the printer cannot be limited by the height; and in addition, the structure is simplified, the entire structure is light weight, the stability is good, the actual construction is convenient, and wide application is suitable.

The invention discloses a male time delay agent. The male time delay agent comprises 3-5% of crocus sativus extract, 3-5% of radix sophorae flavescentis extract, 1-5% of fructus cnidii extract, 1-8% of herba epimedii extract, 2-5% of mint extract, 3-5% of morinda officinalis extract, 10-50% of propylene glycol, 3-10% of 1,2-pentanediol and the balance of deionized water. According to the male timedelay agent, proportion of the crocus sativus extract, the radix sophorae flavescentis extract, the fructus cnidii extract, the herba epimedii extract, the mint extract and the radix morindae officinalis extract is regulated and controlled, so that excessive stimulation to human tissues can be avoided, and side effects of local burning discomfort and genital organ numbness passivation are eliminated, and the radix sophorae flavescentis extract and the mint extract further have effects of disinfection, cleaning, fresh keeping and the like.

The invention relates to an integrated energy storage water supply system which comprises an electric control heater and a pressure bearing water tank. The electric control heater is used for heating water in the pressure bearing water tank. A cold water inlet, a heating water outlet, a domestic water outlet and a heating water return opening are formed in the pressure bearing water tank. Heating devices are connected between the heating water outlet and the heating water return opening through pipelines. The domestic water outlet is connected with multiple water supply devices through pipelines. According to the integrated energy storage water supply system, water supply for heating, bathing and the like can be achieved synchronously through one set of system, the heating period is short, the waiting time is short, installation and use are very convenient, and in addition, cost is low.

The invention provides an electronic price tag system for an intelligent retail cabinet. The electronic price tag system comprises an Android industrial personal computer, a power supply, an electronic price tag controller and an electronic price tag display board, wherein the Android industrial personal computer is in command transmission communication with the electronic price tag controller byvirtue of an IIC bus, and an electronic price tag control output port is formed in the Android industrial personal computer; a control input port, a power supply input port and a group of output portsare formed in the electronic price tag controller, the control input port is connected with the electronic price tag control output port, and the power supply input port is connected with the power supply; and an input port and a group of LCD display screen are respectively formed in and arranged on the electronic price tag display board, and the input port is connected with the output ports. Theinvention further provides an operation method of the electronic price tag system for the intelligent retail cabinet. According to the electronic price tag system and the operation method, the real-time refreshing can be realized, and a master control of price tags is omitted through the effective utilization of the computing power of the Android industrial personal computer, so that the cost islowered, and the display effect is improved.

The invention discloses an electronic musical instrument. The electronic musical instrument comprises a plurality of magnetic induction zones, wherein each magnetic induction zone is configured to generate a first magnetic induction signal associated with the magnetic induction zone when being triggered; a sound source memory configured to be used for storing sound source data corresponding to each magnetic induction area; an output unit configured to output a sound signal corresponding to the sound source data; and a control unit configured to: determine an associated magnetic induction zone according to the first magnetic induction signal, acquire sound source data corresponding to the associated magnetic induction area from the sound source memory, and control the output unit to output a sound signal corresponding to the sound source data. According to the electronic musical instrument designed based on the scheme, electronization and miniaturization of a traditional musical instrument can be achieved, the electronic musical instrument has high sensitivity, and therefore the playing performance of the musical instrument is improved, and the learning fun of a user is improved.

The invention provides a chemical method generator, which comprises a medicine box, a medicine bottle, a main machine and a medicine tube, and is characterized in that the top of the medicine box is provided with a medicine filling port and a liquid inlet, and the side surface of the medicine box is provided with a boss structure; the main machine comprises a box body and a box cover; the box cover is arranged at the top of the box body to form the main machine with an internal space, a medicine bottle opening is formed in the box cover, the medicine bottle is arranged in the medicine bottle opening, a clamping groove is formed in one side of the box body, the clamping groove and the boss structure are the same in structures and shapes, and the boss structure of the medicine box and the clamping groove of the main machine are mutually clamped to form a whole or to be separated; and the medicine tube is led out from the liquid inlet. The invention provides the chemical method generatorwhich is convenient to carry, low in cost, quick and safe, and provides a using method of the chemical method generator.

The invention provides a general assembly platform telescoping mechanism, and belongs to the field of spacecraft ground test. The mechanism comprises a telescoping assembly and a turnover assembly, the telescoping assembly is fixed on a platform frame, the turnover assembly is installed at the output end of the telescoping assembly, and the telescoping assembly comprises an outer frame, an inner frame, a fixed block, a gear and a rack. The turnover assembly comprises a front sealing plate, an adapting frame, an overturning plate, a first butt joint block, a connecting hook and a second butt joint block. The limiting assembly comprises a first limiting block, a second limiting block and a limiting pin. According to the invention, one translational degree of freedom is added, the fault-tolerant capability of the final assembly platform is improved, the adaptability of the platform in the aspect of size is improved, one set of platform can meet the general assembly and test of two or morespacecrafts, and the general assembly test work can be more effectively carried out on the spacecrafts.

The invention provides a dynamic flame forming method. The dynamic flame forming method is characterized by comprising the following steps: projecting light emitted by a plurality of groups of light sources onto a flame sheet, wherein at least one group of light sources is used as an inner flame light source, and dynamic inner flame is formed through a position change and / or a light and shade alternating change of inner flame projection light and shadows formed by the inner flame light source on the flame sheet; taking at least one group of light sources of which the light emitting colors aredifferent from those of the inner flame light sources as outer flame light sources, wherein outer flame projection shadows formed by the outer flame light sources on the flame sheet are located at theedges and / or above the inner flame light sources; and forming the dynamic outer flame through the position change and / or the light and shade alternating change of the outer flame projection light andshadows. According to the method, the flame simulation fidelity can be improved, the structure can be simplified, and energy consumption can be reduced. The invention also provides a flame simulationstructure for realizing the method, and an electronic candle comprising the flame simulation structure.