41results about How to "Change design thinking" patented technology

The invention relates to the field of tobacco filter sticks, and discloses a tobacco fiber paper filter stick and a preparation method of the tobacco fiber paper filter stick. The paper filter stick is composed of a filter element and forming paper, wherein the filter element is obtained by coiling paper fiber, the paper fiber is tobacco fiber pulp and long fiber pulp which are obtained by grinding tobacco raw materials and long fiber raw materials into liquid, then the tobacco fiber pulp and the long fiber pulp are subjected to pulp matching, sheet making, squeezing and drying to be manufactured into a fiber paper base, and the tobacco fiber paper filter stick can be obtained through smearing, drying and rolling. On the basis of wet process papermaking, tobacco fiber and long fiber are mixed according to a proper proportion in the pulp matching stage of papermaking, and the obtained paper filter stick not only has higher tar and nicotine removing capacity than a cellulose acetate filter stick, but also can successfully eliminate wooden offensive odor of the long fiber. Raw materials of the filter stick come from natural plants, and therefore the filter stick only has the scent of tobacco and does not have the scent of paper or chemical fiber, the color of the filter stick is consistent to that of cut tobacco of cigarettes, and the filter stick has the texture of natural material of tobacco and guides a new direction for the technical field of cigarettes.

An energy-saving production of electric cable bridge casings can reduce weight of products and costs, and improves performance of products while verifies functions of products. The casings consist of two parts, which are produced separately. Bridge bodies are produced by: cutting longitudinally, rolling, punching, assembling, and automatically welding. Radiation-cooled parts are produced by: rolling, cutting, holding-on, punching holes on inserted strips, rolling inserted strips for the upper pieces, cutting them, assembling, square-making, welding, and surface treating.

The invention relates to a bottom sowing-type mariculture facility which is suitable for the sea area with silt bottom, in particular to a bottom sowing-type raft frame and a net cage for marine bivalve mollusks, sea cucumbers or mixotrophic culture of marine bivalve mollusks and sea cucumbers. The facility is provided with a PVC pipe, a polyethylene rope for fixing the PVC pipe, a webbing, a stake or an anchor for fixing the facilities, a rope fixed on the stake or the anchor, and a fixable floating ball which is connected to the rope and floats on the surface of water; the PVC pipe is fixed on the polyethylene rope in parallel, the polyethylene rope is arranged in parallel, is perpendicular to the PVC pipe, is positioned at the upper side and the lower side of the two terminals of the PVC pipe and forms the structure similar to a 'soft ladder'; the 'soft ladder' is externally covered by the webbing, and a plurality of independent net cages are formed by combining the PVC pipe, the polyethylene rope and the webbing; the two ends of the undrawn 'soft ladder' are fixed at the bottom of the sea by the stake or the anchor respectively, and the floating ball is fixed at the two ends of the 'soft ladder' by the rope. The facility can effectively prevent the enemies and reduce the influence of storm and ocean current, thus being convenient for management and harvest and favorable to the comprehensive utilization of mariculture area.

The invention provides a method and a system for product counterfeiting prevention and a method and a device for identity information generation. Identity information of a product is stored in an anti-counterfeiting data management data base when the product is produced, and at least comprises unique code information and signature information of the product. The identity information of the product is read and transmitted to an access navigator by means of anti-counterfeiting terminal equipment. Anti-counterfeiting data management equipment address of the identity information of the product is determined and replied to the anti-counterfeiting terminal equipment by means of the access navigator. The anti-counterfeiting terminal equipment transmits the identity information of the product to anti-counterfeiting data management equipment according to the anti-counterfeiting data management equipment address. The identity information of the product is identified in the anti-counterfeiting data management data base by means of the anti-counterfeiting data management equipment, and the identification results are returned to the anti-counterfeiting terminal equipment. Using the method and the system can lower anti-counterfeiting cost of products and improve universality.

The invention provides a power-free driven locker of an electric public bike and a vehicle-mounted intelligent supporting locking plate. A lock is arranged on a bike locking pile. The power-free driven locker of the electric public bike is characterized in that an empty space used for storing a bike body locking plate is formed in the bike locking pile; a driven lock is adopted and has a structure that a spring is arranged between a spring bolt with a bevel and a housing of the bike locking pile; when extending, the spring bolt is positioned into the empty space used for storing the bike body locking plate; the spring bolt is arranged in the position corresponding to that of a locking groove in the bike body locking plate. The intelligent supporting locking plate of the electric bike is fixed to a front fork of the electric bike; the locking groove for storing the spring bolt is formed in the locking plate, and the position of the locking groove is corresponding to that of the spring bolt; a pushing rod which is driven by an electric unlocking mechanism and can move forwards and backwards is arranged at the back of the locking groove. The power-free driven locker can overcome the traditional prejudice, and the control function of the power-free driven locker is on the basis of the electric bike; the structure and functions of the locker are simplified; the cost of the locker is only 5-10% of that of the existing locker. The key point of the power-free driven locker is that a power supply is not used, so that the main obstacle of the construction of a bike parking lot can be removed. The operation steps of placing in and taking out the bike are also simplified.

The invention belongs to the technical field of organic synthesis, and particularly relates to an isoindoline derivative and a preparation method thereof. The invention provides the isoindoline derivative, and the structural formula of the isoindoline derivative is shown in a formula I. The invention further provides the preparation method of the isoindoline derivative. The preparation method comprises the following steps: placing a compound represented by a formula II, a compound represented by a formula III and a compound represented by a formula IV in an inert solvent, and under the actionof an oxidizing agent and a metal catalyst, adding an alkali to carry out a reaction under an alkaline condition to obtain the isoindoline derivative. The invention provides the isoindoline derivativeand the preparation method thereof, and can effectively solve the technical problems that an existing preparation method of isoindoline derivatives is poor in compatibility and the amount of byproducts is large.

The invention belongs to an improved motor structure and relates to a vibration motor, in particular to a thin, flat and linear vibration motor. The improved motor structure comprises an enclosure and a vibration unit and is characterized in that an elastic support part comprises a U-shaped shrapnel; arcs of all bent positions of the shrapnel are smooth and the curvature radius is larger. A chip type large rotary shrapnel is adopted to be used in a narrow space, the conventional design thought of a technician is changed, the structure durability and structure elasticity of the shrapnel can be fully exerted, the impact resistance is greatly enhanced, the vibration use times are greatly increased and the service life of the vibration motor is effectively prolonged.

The invention discloses a touch control device and method easy to display temperature and time. The device is used for an electric fireplace or a warmer and comprises a shell, a touch display screen, a touch nixie tube and an operation panel, wherein the touch nixie tube is formed by a touch pad, a touch IC, an illuminant body, a light shade, an inductive conducting electrode and a light guiding layer; light emitted by the illuminant body is projected to the light guiding layer, and a text identification is seen from the surface of the operation panel; when the illuminant body is extinguished, an identification text in the front of the operation panel disappears, a naked eye cannot see a key clearly, so that a purpose of hiding the key is realized, the mechanical external-forced control is not needed, operation keys of the electric fireplace or the warmer are more easily designed, the product appearance design is facilitated, the operation keys are closer to the authenticity, and the product appearance is more beautiful; and furthermore, the touch display screen is matched, so that the temperature or the time can be quickly set, the long-time adjustment of the temperature or the time of the conventional electric fireplace or warmer is broken, the conventional design concept of the control panel is changed, and the device and the method have profound industry development significance.

The invention provides a fairing-main satellite integrated large-caliber deployable spacecraft. The fairing-main satellite integrated large-caliber deployable spacecraft comprises a spacecraft main satellite and the like, wherein the spacecraft main satellite is connected with a fairing through a deploying mechanism; the fairing is connected with a flexible cable net; a plurality of fairing top covers are connected with the deploying mechanism, and are connected with the fairing through hinges; the flexible cable net is used for being connected with the fairing, and a large-caliber antenna isformed by the flexible cable net and the fairing; in a launching process, the fairing is furled to achieve the effect of rectification; in the launching process of the spacecraft, the fairing top covers achieve the effect of rectification; after being in an orbit, the fairing is deployed under the driving of the deploying mechanism; and the deploying mechanism is used for being connected with thefairing and the spacecraft main satellite and driving the fairing to be deployed. According to the fairing-main satellite integrated large-caliber deployable spacecraft disclosed by the invention, a large-caliber satellite-mounted antenna design is realized, the limit to the large-caliber satellite-mounted antenna is removed, and the formset surface error of the large-caliber satellite-mounted antenna is effectively controlled.

The invention discloses large chemical equipment assembled by plate-shaped modules with anticorrosion liners and a manufacturing method of the chemical equipment. The chemical equipment comprises the metal plate-shaped modules with flanges at the peripheries, wherein the metal plate-shaped modules are connected through bolts; the anticorrosion liner layers are lined on the inner surfaces and the flange sealing surfaces of the metal plate-shaped modules. According to the chemical equipment, a conventional design and manufacture concept is broken through, and any lined equipment with the diameter more than 4 m can be designed into large integral equipment assembled by a plurality of plate-shaped modules, so that the equipment can be manufactured on a production line in a manufacture enterprise and assembled on site, and the effects of reducing the cost and guaranteeing the quality are achieved.

The invention discloses an integrated multifunctional hydraulic component which comprises a magnet yoke, a valve body, a valve core and a double-faced sealing base, wherein the magnet yoke is internally provided with an electromagnetic coil, the electromagnetic coil is internally provided with a movable core, and the movable core is connected with a fixed core; a return spring is between the fixed core and the valve core, the end, close to the electromagnetic coil, of the valve body is successively provided with a liquid inlet, a sealing ring I, a hydraulic adjusting opening, a sealing ring II, a pressure relief opening and a sealing ring III, the centre of the double-faced sealing base is communicated with the hydraulic adjusting opening, and one side of the double-faced sealing base is provided with the valve core, a steel ball is arranged on the other side of the double-faced sealing base, the small end surface of the valve core is connected with the steel ball, the large end surface of the valve core is connected with one side of the double-faced sealing base, and the steel ball is connected with an overflow spring. The integrated multifunctional hydraulic component is novel in design and conception and convenient in manufacturing and use, the assembly appearance is capable of changing the design thought of a homebred hydraulic control system and improving the performance, the manufacturing cost of the hydraulic control system is lowered, and the technological properties in processing of the hydraulic component is improved, the use effects of rapid supercharge, overflow pressure limiting and backflow pressure relief functions of the integrated multifunctional hydraulic component are good, and the quality is stable.

The embodiment of the invention provides a cross-platform vehicle communication method and system. The method mainly comprises the following steps: arranging an enhanced DSRC (Dedicated Short Range Communication) communication protocol unit capable of processing communication data of at least two communication protocols and at least two single protocol communication units in a vehicle; when the vehicle communicates with other equipment, judging whether the other equipment supports an enhanced DSRC communication protocol, if so, communicating with the other equipment by the vehicle through the enhanced DSRC communication protocol unit, or else, selecting one single protocol communication unit supported by the other equipment to communicate with the other equipment by the vehicle. According to the cross-platform vehicle communication method and system, the traditional design thought of a vehicle communication system restricted to the DSRC communication protocol is changed, the extension of definition of the vehicle communication system is expanded, different communication functions are managed in a concentrating manner, the vehicle communication system is not restricted to a communication platform of the specific communication protocol and becomes a cross-platform communication system by taking the DSRC as a core, and the communication protocol supported by the other equipment can be flexibly selected to communicate with the other equipment.

The invention discloses an electrical impedance tomography imaging system and an electrode shielding method, which mainly solve the problem that a too small capacitive reactance due to high working frequency, an increase in capacitance due to increase in wire length and the like affect the signal amplitude on a passageway of an electrode in the prior art. The electrical impedance tomography imaging system, comprises master control equipment, an image processing and displaying device, a signal processor and analogue and digital converter circuit, a switch system, a shield driving circuit and an excitation source generating circuit which are respectively connected with the master control equipment, and a shielded electrode which is connected with the switch system and the shielding driving circuit, wherein the switch system is respectively connected with the signal processor and analogue and digital converter circuit, the shield driving circuit and the excitation source generating circuit. Based on the electrical impedance tomography imaging system, the invention also provides a corresponding electrode shielding method, which is efficient and requires low cost for shielding the electrode.

An internal entering slot-type mortar pump belongs to the field of mortar pump equipment. the internal entering slot-type mortar pump is characterized by comprising a pump body and a slurry tank (7); the pump body is arranged in the slurry tank (7) by a bearing support assembly; the discharging port of the pump body is communicated with a discharging pipeline; the pump body is driven by a power device at the upper part to operate to suck internal slurry into the pump body, and the slurry is discharged by the discharging pipeline. The pump body comprises a pump shell (1), an impeller (2) and a pump shaft (5); the bottom of the pump shell (1) is sealed; one side of the pump shell (1) is provided with a discharging port; a charging port is formed in the upper part of the pump shell (1); the impeller (2) with upwards arranged fins is arranged in the pump shell (1). The internal entering slot-type mortar pump is reasonable in structural design, the pump body is arranged at the bottom in the slurry tank, so the space is saved, the pump body and the slurry tank are effectively combined, the slurry in the slurry tank can be directly sucked away and discharged by the pump body, an underground water tank and a stirring device do not need to be additionally arranged and the manufacturing and construction costs are greatly reduced.

The invention discloses an oil reservoir condition-based optimal steam flooding scheme design method, and relates to theoretical analysis and calculation methods for the optimal design of the steam flooding schemes. The design method comprises the following steps of (a) combining the production practical data of a steam flooding oil reservoir to analyze and determine the single-well liquid production ability and injection ability, so as to judge the applicability and available well pattern forms of the oil reservoir; and (b) completing steam flooding development effect prediction and evaluation at the same time through optimizing the calculated data and determining the optimum operation condition parameters of steam flooding. The design method has the following beneficial effects of enabling the influence factors of four optimum operation condition parameters of the steam flooding to be mutually associated and apply comprehensive influences on the steam flooding effect via a multi-element factor coupling manner so that the obtained parameters accord with the practical thermal production, comprehensively considering the influence factors of the four optimum operation condition parameters so as to optimize the globality of the parameters, being applied to the optimization of the operation condition parameters of the steam flooding so as to make the obtained result clear in physical significance, and being simple in operation method so as to decrease the computer time and labor cost.

The invention discloses a multifunctional display comprising a display main body which consists of a front cover and a rear cover, wherein the front cover is arranged in the front of the display main body; the side face of the rear cover of the display main body is provided with a fixed axle seat, an axial trough and a groove; the fixed axle seat is provided with an axle hole and comprises an upper fixed axle seat and a lower fixed axle seat; the axial trough arranged between the upper fixed axle seat and the lower fixed axle seat is internally provided with a cardboard fixing board on which a cardboard fixed axle seat is arranged; another axle hole is arranged on the cardboard fixed axle seat and is internally provided with a rotating axle; the back of the cardboard fixing board is provided with a fixed board on which a supporting frame is arranged; the outer edge of the cardboard fixing board is provided with a limit card on which a measuring scale is arranged; a limit groove and a cuing scale are arranged in front of the measuring scale, and a fastening bolt is arranged at the back of the measuring scale. The invention has reasonable structure, low manufacture cost, simple manufacture and convenient and rapid installation, enhances the whole practicability and the usability of the display, and is beneficial to the popularization and the application of products.

The invention relates to the field of tobacco filter sticks and discloses a tobacco paper filter stick combining bamboo fiber and a preparation method of the tobacco paper filter stick. The tobacco paper filter stick comprises a filter element and plug warp paper, wherein the filter element is formed by reeling paper fiber; and the preparation steps of the paper fiber are that tobacco fiber pulp and bamboo fiber pulp are mixed in proportion to prepare a pulp, then the pulp is subjected to sheet-making, pressing and drying to obtain a fiber paper base, and finally the fiber paper base is subjected to coating, drying and rolling to obtain the paper fiber. On the basis of the principle of wet-laid paper-making, the tobacco fiber and the bamboo fiber are reasonably mixed in an appropriate stage, the miscellaneous gas brought by non-tobacco fiber is successfully eliminated, greater filtering-adsorbing capacity of removing tar and nicotine is acquired, and the combining property that the tobacco fiber and the bamboo fiber complement each other is shown. The tobacco filter stick provided by the invention is applied in cigarettes, only offers a tobacco scent to a consumer without a paper scent, has the same color as that of a cigarette shred, has the intense texture of natural tobacco, and shows a new direction for the technical field of cigarette filter sticks.

The invention relates to the field of aviation rubber mold design, in particular to a lightweight optimization method for an aviation corrugated pipe adhesive film structure. The method incldues: S1,constructing a three-dimensional model; s2, reconstructing and optimizing a model part; s3, carrying out topology optimization; s4, establishing a lattice structure by utilizing Magics software; s5, combining and filling; s6, performing analog simulation; s7, enabling the optimization method of the lower die and the die core to be the same as that of the upper die. The optimization method combining topological optimization and the lattice structure is adopted for lightening the aviation corrugated pipe rubber die, the characteristics of the metal 3D printing process are combined, the traditional corrugated pipe rubber film structure design thought is changed, the lightening concept is introduced into die design, the rigidity, the strength and the use performance are guaranteed, meanwhile,the weight of the rubber mold is reduced by 30% or above, and meanwhile the material utilization rate is increased.

The invention provides a cigarette case capable of accommodating cigarettes in different specifications simultaneously. The cigarette case comprises a plurality of units for accommodating the cigarettes, wherein each unit comprises a case body and a cover body; and the units are connected by the case bodies. The different units forming the cigarette case can accommodate the cigarettes in the different specifications, and a consumer can obtain the cigarettes in different specifications, colors, odor types or tastes by purchasing a packet of cigarettes.

The invention belongs to the technical field of organic synthesis and particularly relates to a polyfunctional-group-substituted azafluorenone derivative and a preparation method and application thereof. The structural formula of the azafluorenone derivative is shown as a formula (I), wherein Ar is an aryl group, the aryl group comprises an aromatic heterocyclic group, a phenyl group or aromatic fused ring group, R1 is selected from hydrogen, an ether group, halogen, acetyl, an ester group, trifluoromethyl or sulfuryl, and R2 is selected from hydrogen, alkyl, aryl, halogen, an ether group, trifluoromethyl, acetyl, an ester group or sulfuryl. By taking an aryl imido ester compound and olefin as substrates and under a metal catalysis effect, a cascade reaction of multiple times of aromatic ring carbon hydrogen bond activation based on aryl imine ester guidance and oxygen oxidation of alkyl carbon-carbon is achieved, and accordingly the poly-substituted azafluorenone derivative is rapidlyand modularly constructed. The azafluorenone medicine has a good application prospect in the development of organic photoelectric materials.

A rotor wire end merging and cutting-off all-in-one machine comprises a rotating and fixing device, an ejection device, an inserting device and a cutting-off device. The rotating and fixing device is used for fixing one end of a rotor and is capable of driving the rotor to rotate, the ejection device is used for fixing the other end of the rotor, the inserting device is used for merging a coil into a reverser groove, and the cutting-off device is used for cutting off residual coil ends. The inserting device comprises an insert pin device and a moving device used for changing the distance between the insert pin device and the rotating and fixing device. The rotor wire end merging and cutting-off all-in-one machine achieves integrated automatic operation of coil wire merging and cutting off, greatly improves working efficiency, reduces labor cost, improves production precision, and achieves standard and integrated flow line production.

The invention discloses a single pixel color image sensor system which includes a pixel array which is composed of a plurality of sub-pixel units, a read-out circuit and a Y address which are separately and electrically connected to the pixel array, an A / D converter which is electrically connected to an output end of the read-out circuit, an image balancing processor which is electrically connected to an output end of the A / D converter, an image output controller which is electrically connected to the output end of the image balancing processor and a LED radiating controller which is intended for radiating a to-be-acquired target. The sub-pixel units correspond to pixel points one by one and a filter is not provided. The LED radiating controller includes a red LED controller, a blue LED controller and a green LED controller. The read-out circuit is also electrically connected to an X address. According to the invention, the system herein has novel design, simple theory, is easy to produce, has high application value and wide promotion prospect.

The invention discloses ion source etching equipment for achieving angle etching. The ion source etching equipment comprises a vacuum chamber, wherein a workpiece and an ion source both are arranged in the vacuum chamber, a workbench is arranged in the vacuum chamber and is arranged on a first mobile device and a second mobile device, the first mobile device drives the workbench to forwards and backwards move relative to the ion source, the second mobile device drives the workbench to leftwards and rightwards move relative to the ion source, the ion source is arranged on a third mobile device, and the third mobile device drives the ion source to do angle conversion relative to the workpiece. A flexible connection piece is also arranged on an external pipeline and is used for applicable to uncomfortableness brought by angle adjustment on a hard pipe. By the ion source etching equipment, an existing design concept is changed, original angle rotation and adjustment of the workpiece is changed to angle rotation and adjustment of the ion source, thus, the problem of etching uniformity can be solved, and optimal range can also be ensured.

The invention relates to a bottom sowing-type mariculture facility which is suitable for the sea area with silt bottom, in particular to a bottom sowing-type raft frame and a net cage for marine bivalve mollusks, sea cucumbers or mixotrophic culture of marine bivalve mollusks and sea cucumbers. The facility is provided with a PVC pipe, a polyethylene rope for fixing the PVC pipe, a webbing, a stake or an anchor for fixing the facilities, a rope fixed on the stake or the anchor, and a fixable floating ball which is connected to the rope and floats on the surface of water; the PVC pipe is fixedon the polyethylene rope in parallel, the polyethylene rope is arranged in parallel, is perpendicular to the PVC pipe, is positioned at the upper side and the lower side of the two terminals of the PVC pipe and forms the structure similar to a 'soft ladder'; the 'soft ladder' is externally covered by the webbing, and a plurality of independent net cages are formed by combining the PVC pipe, the polyethylene rope and the webbing; the two ends of the undrawn 'soft ladder' are fixed at the bottom of the sea by the stake or the anchor respectively, and the floating ball is fixed at the two ends of the 'soft ladder' by the rope. The facility can effectively prevent the enemies and reduce the influence of storm and ocean current, thus being convenient for management and harvest and favorable tothe comprehensive utilization of mariculture area.

The invention relates to the technical field of tobacco filtering sticks, and discloses a dibasic compound hollow tobacco fiber paper filtering stick comprising a filtering core and forming paper wrapping the filtering core, the filtering core is formed through connection of a tobacco fiber paper filtering core and a tobacco fiber paper hollow filtering core, the tobacco fiber paper filtering core is formed through coiling of paper fibers, and the tobacco fiber paper hollow filtering core is formed through pressing of the paper fibers. The dibasic compound hollow tobacco fiber paper filtering stick and the preparation method are based on wet papermaking, tobacco fibers and long fibers are mixed during the pulping process according to an appropriate proportion, the prepared paper filtering stick has better ability to eliminate tar and nicotine compared with acetate fibers, and other impurity gas is eliminated. Materials are from natural raw materials, only have smell of tobacco, do not have the smell of paper or chemical fibers, the tobacco fiber paper filtering stick is the same as cigarette tobacco in color and has strong texture of natural materials of the tobacco, and a novel research direction of the technical field of cigarette is guided.

The invention discloses an electrical impedance tomography imaging system and an electrode shielding method, which mainly solve the problem that a too small capacitive reactance due to high working frequency, an increase in capacitance due to increase in wire length and the like affect the signal amplitude on a passageway of an electrode in the prior art. The electrical impedance tomography imaging system, comprises master control equipment, an image processing and displaying device, a signal processor and analogue and digital converter circuit, a switch system, a shield driving circuit and an excitation source generating circuit which are respectively connected with the master control equipment, and a shielded electrode which is connected with the switch system and the shielding driving circuit, wherein the switch system is respectively connected with the signal processor and analogue and digital converter circuit, the shield driving circuit and the excitation source generating circuit. Based on the electrical impedance tomography imaging system, the invention also provides a corresponding electrode shielding method, which is efficient and requires low cost for shielding the electrode.

An energy-saving production of electric cable bridge casings can reduce weight of products and costs, and improves performance of products while verifies functions of products. The casings consist of two parts, which are produced separately. Bridge bodies are produced by: cutting longitudinally, rolling, punching, assembling, and automatically welding. Radiation-cooled parts are produced by: rolling, cutting, holding-on, punching holes on inserted strips, rolling inserted strips for the upper pieces, cutting them, assembling, square-making, welding, and surface treating.

The invention provides a novel fish way with inlet arrangement. The novel fish way comprises an obliquely arranged fish way body, wherein a water storage tank is arranged at the top of the fish way body; a water diversion pipe communicates with the water storage tank; the water diversion pipe supplies water through a drainage pump; an overflow port is formed in the side, close to the fish way body, of the water storage tank; a flow guide plate is arranged at the overflow port; a fish collecting box is arranged below the water storage tank; a fish driving mechanism is arranged in the fish collecting box; and a fish dam turning auxiliary mechanism is arranged at the end part of the fish collecting box. The fish way has relatively high applicability to the surrounding environment of a dam and fishes, and the fish dam turning efficiency is improved.

The invention belongs to the technical field of organic synthesis and particularly relates to a polyfunctional-group-substituted azafluorenone derivative and a preparation method and application thereof. The structural formula of the azafluorenone derivative is shown as a formula (I), wherein Ar is an aryl group, the aryl group comprises an aromatic heterocyclic group, a phenyl group or aromatic fused ring group, R1 is selected from hydrogen, an ether group, halogen, acetyl, an ester group, trifluoromethyl or sulfuryl, and R2 is selected from hydrogen, alkyl, aryl, halogen, an ether group, trifluoromethyl, acetyl, an ester group or sulfuryl. By taking an aryl imido ester compound and olefin as substrates and under a metal catalysis effect, a cascade reaction of multiple times of aromatic ring carbon hydrogen bond activation based on aryl imine ester guidance and oxygen oxidation of alkyl carbon-carbon is achieved, and accordingly the poly-substituted azafluorenone derivative is rapidlyand modularly constructed. The azafluorenone medicine has a good application prospect in the development of organic photoelectric materials.