42results about How to "Meet differentiated needs" patented technology

The utility model discloses a tea dryer with a speed regulating mechanism. The tea dryer comprises a drying box; the placing mechanism comprises a rotating shaft and a mounting groove; the rotating shaft is rotationally inserted into the drying box; the mounting groove is formed in the top of the rotating shaft; the speed regulating mechanism comprises a driving shaft, a small gear I and a large gear I, the driving shaft is rotationally inserted into the top of the drying box, and the small gear I and the large gear I are sequentially and fixedly connected to the surface of the driving shaft in a sleeving mode from top to bottom. The first large gear and the second small gear are connected in a meshed mode or the first small gear and the second large gear are connected in a meshed mode, the rotating speed of the rotating shaft can be adjusted, and the differential requirements for the rotating speed in different stages of tea drying are met.

The utility model discloses a square cabin with isolation structure for mushroom planting, including cabin body, one end of cabin body is connected with rotatable cabin door, and the inner wall of cabin body is provided with adjustable and folding three linkage isolation assembly, the utility model discloses an adjustable and folding three linkage isolation assembly, can with cabin flexible division into independent area, satisfies the different mushroom to the differentiating demand of environmental parameter, realizes multi -variety accurate planting, and physical isolation can block the disease transmission, reduces the whole cabin infection risk, and the partition size can be adjusted through sliding, telescopic adjustment of the isolation board, and dynamic adaptation planting quantity and growth stage, and the space utilization is improved, and the sliding block is convenient to operate with the cooperation of the rotating block, and the elastic buckle and lock screw ensure the stable structure, and the operation threshold is simplified, and the independent partition is beneficial to the individual management and data record, and helps the standardized production, is applicable to multi -variety, large -scale planting scene.

This invention relates to the field of metal surface strengthening technology, specifically a method for in-situ generation of TiC-TiN ceramic materials using a titanium-containing substrate and an atmosphere-assisted high-energy beam. This method utilizes the titanium-containing substrate itself as a titanium source. Under a specific atmosphere, high-energy beam irradiation causes the Ti element in the substrate to react in-situ with C and N elements in the atmosphere, generating a TiC and / or TiN ceramic strengthening layer on the substrate surface. Specifically, the method includes: pretreating the titanium-containing substrate; placing it in a reaction chamber and introducing an auxiliary gas containing C and / or N; scanning and irradiating the substrate surface with a high-energy beam, controlling process parameters to allow Ti to react with C and N, generating a 0.5-1.2 mm thick metallurgically bonded strengthening layer. The advantages are: this invention eliminates the need for additional titanium powder or carbon powder, resulting in a simple and low-cost process; the strengthened layer exhibits high bonding strength with the substrate with no risk of detachment; and it significantly improves the surface hardness, wear resistance, and corrosion resistance of the substrate, making it widely applicable in military, aerospace, and marine equipment fields.

The application discloses a response method and device for differential enhanced service request, equipment and storage medium, the method comprises the following steps: obtaining the differential enhanced service request sent by a service requester; determining the grid range type corresponding to the differential enhanced service request according to the grid coding in the differential enhanced service request; determining the differential correction data in the corresponding grid range and the broadcast frequency of the differential correction data according to the grid range type; sending the generated differential correction data to the service requester according to the determined broadcast frequency; by implementing the application, the differentiated needs of different service requesters for correction data can be met.

The utility model relates to a double-head fascia gun. The double-head fascia gun comprises a main shell, a massage driving assembly and massage heads, two groups of massage driving assemblies are mounted in the main shell, each group of massage driving assembly comprises a driving motor and a transmission mechanism, and an output shaft of the driving motor is connected with the transmission mechanism; and each group of massage driving components is connected with one massage head in a control manner through the transmission mechanism. According to the improved double-head fascia gun, two sets of independent driving motors are adopted, a transmission mechanism controls two massage heads to move, two sets of driving systems can achieve independent control of the double massage heads, and differential requirements are met; the two massage driving assemblies run in a load-sharing mode, and the service life of the motor is prolonged.

This invention relates to the field of multi-agent cooperative control technology, and in particular to a switching multi-agent cooperative tracking control method based on deep reinforcement learning. The method includes building a two-layer independent architecture for each independent agent, constructing a multi-level grouping architecture for the overall multi-agent cluster, proactively adjusting the internal structure of the multi-level grouping architecture based on prediction results, and using causal analysis technology to trace and determine the root causes of sudden changes and select an execution strategy. This invention adopts a two-layer independent architecture scheme, configuring a leader layer and an executor layer for each agent. Through an asynchronous decision-making mechanism with unidirectional instruction transmission, it achieves complete decoupling between global planning and local execution, ensuring the global optimality of the cooperative tracking task, meeting the real-time control requirements in dynamic environments, eliminating the single-point failure risk of centralized decision-making, and improving the cluster decision-making efficiency and operational stability.

The invention provides a forming method and a forming device for a cabin section with a cabin body inner boss, and belongs to the technical field of metal plastic processing, the forming method comprises the following steps: preparing a cabin section base body; a plurality of cabin body inner bosses are formed on the inner cylinder wall surface of the prepared cabin body in an electric arc fuse wire additive manufacturing mode; and at the first preset forming temperature, the cabin inner bosses are extruded in the radial direction of the cabin base body from inside to outside to form the cabin with the cabin inner bosses. According to the method, the multiple cabin inner bosses are formed at the designated positions of the inner cylinder wall face of the cabin section base body in an electric arc fuse additive manufacturing mode in an additive mode, then the base material-additive interface metallurgical bonding quality is improved by applying radial hot extrusion to the cabin inner bosses, and the defects of uneven solidification structures, gaps and the like in an additive area are overcome; compared with a traditional inner boss riveting or welding process, the problem that the bearing performance is reduced due to introduction of a weak connection area and stress concentration is avoided.

The application relates to the technical field of artificial intelligence speech recognition, in particular to a customer service call center ASR intelligent speech transcription system and method, the intelligent speech transcription system comprises a data input module, a domain knowledge enhancement module, a dialogue level context perception engine, a self-adaptive real-time transcription scheduler and an application output module; through a three-layer context modeling architecture, in combination with a domain language model enhancement technology based on a knowledge graph, and a double-track parallel processing mechanism of front desk real-time display and background automatic correction, while maintaining low response delay, the professional field vocabulary recognition accuracy is effectively improved, and only a small amount of parameter adjustment or rule configuration is needed to complete the rapid migration adaptation of cross-industry scenes, and the core technical problems of multi-round dialogue context loss, difficulty in recognizing domain professional vocabulary, difficulty in balancing real-time transcription accuracy and delay, and difficulty in quickly adapting different business scenarios are solved.

This invention provides a campus hardware and software integrated management method and system supporting remote operation via mobile devices. It collects status parameters and business data from heterogeneous devices in the campus teaching, security, and logistics domains, synchronizes them with a hybrid clock, and pushes them to a campus digital twin virtual model incorporating geographic information, achieving full-domain resource virtual-real mapping and 3D visualization. A sliding time window combined with a business weight correction mechanism is used to determine adaptive warning thresholds and cross-device linkage strategies based on device operating time and business scenarios. Mobile devices access the system via an end-to-end encrypted link, enabling remote hierarchical handling based on dynamic hierarchical permissions. Hierarchical warnings are generated when a single parameter exceeds limits or multi-dimensional correlation anomalies are detected. If remote handling is ineffective, maintenance work orders are automatically generated and resources are intelligently scheduled, forming a closed-loop management process. This solution breaks down campus hardware and software data silos, enabling deep mobile control and intelligent operation and maintenance, significantly improving campus management efficiency and emergency response capabilities.

The utility model discloses a kind of Dulong Chishao cultivation devices, it is related to Chishao cultivation technical field, support frame, two symmetrical distribution's watering direction adjusting parts are installed on the support frame, two watering direction adjusting parts are all rotationally connected with reagent spraying part, one end of two reagent spraying parts close to support frame is hinged with support frame, and another end of two reagent spraying parts is all installed with multiple atomizing nozzles.The Dulong Chishao cultivation device is synchronous with soil loosening shovel to complete soil loosening operation, and the contact pressure of linkage plate and ground is automatically triggered baffle displacement by mechanical transmission, so that the seed tank bottom seed hole is accurately opened and closed, and vibration during soil turning shovel operation is used to realize automatic seed sowing;Reset spring is immediately reset to close seed hole when stopping moving, to form the closed loop operation system of soil turning-sowing-stopping, which not only avoids seed waste, but also ensures the unity of sowing depth and soil turning effect, significantly improves the standardization degree of Chishao planting.

A method for one-step preparation of methylamine by hydrogenation amination of carbon dioxide, belonging to the field of catalysis. In a fixed-bed reactor, carbon dioxide, hydrogen, and ammonia are reacted. The catalyst comprises a microporous or mesoporous silica support, and the active component includes indium, zirconium, and at least one metal promoter selected from nickel, copper, palladium, rhodium, and platinum; the In 3d... 5 / 2 The binding energy is 444.0~444.7 eV, which is more than 0.2 eV lower than that of pure indium oxide; the single-pass conversion rate of carbon dioxide is not less than 50%, the total selectivity of methylamine is not less than 80%, and the selectivity of the byproduct carbon monoxide is not higher than 20%. This invention constructs a unique In-Zr-M active center, with In, Zr, and M uniformly co-distributed at the nanoscale. By adjusting the NH3 / CO2 ratio, the ratio of dimethylamine to trimethylamine can be controlled. The catalyst of this invention exhibits excellent performance and good stability, and has broad application prospects in the fields of carbon dioxide resource utilization and green synthesis of methylamine.

The utility model belongs to the technical field of water supply equipment, particularly relates to a time period flow adjusting device for variable-frequency water supply equipment, and aims to solve the problems that the flow adjusting mode of the conventional water supply equipment is single, accurate and real-time regulation and control are inconvenient, the device is complicated and easy to break down, the display of the adjusting state is not visual enough and the like. A water supply channel is formed in the connecting part, water inlet and outlet pipelines are fixedly installed on the two sides of the connecting part, and the two water inlet and outlet pipelines are communicated with the water supply channel and used for facilitating connection between the connecting part and an external water supply pipeline. According to the time period flow adjusting device of the variable-frequency water supply equipment, the rotating angle of the adjusting shaft can be accurately controlled through the servo motor, the water flow can be flexibly and accurately adjusted, and the differentiated water use requirements of different time periods are met; a water through hole is formed in the adjusting valve element, basic water flow supply is guaranteed, and water supply interruption is avoided; the device is compact in structure, reasonable in design, close in component matching and good in equipment stability and reliability.

The application provides a mouse, comprising a body assembly and a shell, the body assembly has all operation functions of the mouse; the shell is arranged outside the body assembly, and the shell is detachably connected with the body assembly. The mouse provided by the application comprises the body assembly and the shell, the body assembly has all operation functions of the mouse, that is, a user can directly control the body assembly to complete mouse clicking, moving, scroll wheel scrolling and other operations, and the shell is detachably connected with the body assembly, so that the user can DIY various types of mice according to personal preferences, can flexibly select shells with different external structures, and thus the external structure of the mouse is diversified, and the differentiated needs of people are met.

The utility model provides a test reaction device with a temperature control function and a test system, and relates to the technical field of chemical equipment. The test reaction device with the temperature control function comprises a plurality of heating pieces, the heating pieces are sequentially arranged and define a containing cavity, and the heating pieces can be controlled to heat so that a plurality of temperature control areas can be formed in the containing cavity; the reaction test tube is provided with a gas inlet and a gas outlet, the reaction test tube is arranged in the accommodating cavity, and the reaction test tube is filled with a catalyst; the plurality of temperature measuring pieces are sequentially arranged corresponding to the plurality of temperature control areas, and one temperature measuring piece is used for detecting temperature data of one temperature control area; and the control device is respectively connected with the plurality of temperature measuring pieces and the plurality of heating pieces, and the control device controls the heating power of the heating pieces according to the detection data of the temperature measuring pieces. According to the technical scheme, the problem that the accuracy of a test result is not high due to the fact that the heating amount needed by the reactor cannot be flexibly and accurately adjusted to control the reaction temperature in the prior art can be solved.

The application discloses a preparation method of superfine denier electromagnetic shielding functional chinlon and a product thereof. The chinlon is prepared by mixing 2-7% electromagnetic shielding functional chinlon master batch containing Fe3O4 nanoparticles and 93-98% pure chinlon chips, and then performing drying, melt extrusion, spinning cooling, oiling treatment, drafting setting and winding silk collection. In the preparation process, key parameters such as spinning temperature, filter mesh size, cooling parameter and drafting multiple are optimized, so that the problems of superfine denier fiber spinning breakage, product adhesion and uneven dispersion under high master batch content are solved. The chinlon monofilament fineness obtained by the application is 0.2-0.5 dtex, the breaking strength is greater than or equal to 3.0 cN / dtex, the electromagnetic shielding effectiveness reaches 40 dB in a frequency range of 2000 MHz, the thermal stability is better than that of pure chinlon, and the application is suitable for high-end application scenes such as high-grade clothes, home textiles, electronic protection and filtering materials.

The application provides a vehicle-mounted video signal processing system and method. The vehicle-mounted video signal processing system comprises a driving recorder and a cabin domain controller. The driving recorder is configured to receive original multi-channel video signals collected by a plurality of image collection devices, acquire current display mode information from the cabin domain controller, and determine a current display mode of the cabin domain controller according to the current display mode information. The driving recorder is further configured to determine target video signals corresponding to the original multi-channel video signals based on the current display mode, and send the target video signals to the cabin domain controller. The cabin domain controller is configured to determine a target vehicle-mounted display application based on the current display mode information after receiving the target video signals, and send the target video signals to the target vehicle-mounted display application for display. By using the vehicle-mounted video signal processing system and method, the video recording and storage requirements of the driving recorder can be met without adding cameras, and the diversified display requirements of the cabin domain controller can also be met.

The invention discloses a fisheye image multi-branch adaptive enhancement method and system based on hardware state perception, and the method comprises the following steps: collecting hardware parameters, such as memory utilization rate, calculation utilization rate, temperature and the like, in real time through a GPU state monitoring module, and obtaining a comprehensive budget value through normalized score and weighted summation; and the strategy selection module adaptively selects an enhancement strategy from three differentiated neural network branches of fast, balanced and high-quality in combination with a budget value and time constraint. Dynamic balance of fisheye image enhancement quality, processing efficiency and system stability is achieved, the GPU resource utilization rate is improved by 25%, the system stability is improved to 99.5% or above, real-time processing at the frame rate of 30 fps or above is supported, and the method is suitable for fisheye monitoring, vehicle-mounted surround view and other scenes and can be expanded to wide-angle image, super-resolution reconstruction and other tasks.

The utility model relates to the technical field of refrigerator, concretely relates to a control system of double-temperature-zone independent intelligent refrigerator. The refrigerator of the present application is equipped with independent temperature and humidity sensor for each temperature zone, which can monitor the temperature and humidity data of each temperature zone in real time and accurately. Combined with the preset temperature threshold adjustment module arranged independently, the characteristics of the stored goods in different temperature zones can be targeted, and the differentiated needs of different foods for the storage environment can be met. The sensor signals of each temperature zone are electrically isolated by independent ADC module and photoelectric coupler, effectively avoiding the signal interference problem between different temperature zones.

This invention belongs to the field of biomedical technology and discloses a non-denatured type I and III collagen ultrafine powder with deep skin growth and three-dimensional repair effects, its molecular protection preparation method, and multiple application pathways. The ultrafine powder contains 50%-70% non-denatured type I collagen, 15%-30% non-denatured type III collagen, 5%-15% molecular protectant, 3%-10% transdermal penetration enhancer, and 2%-8% bioactive stabilizer. The mass ratio of type I to type III collagen is 7:3 to 8:2, the triple helix retention rate is not less than 85%, and the average particle size is 0.5-3 μm. The preparation method employs low-temperature enzymatic extraction and molecular protection complexation technology to achieve complete preservation of the collagen triple helix structure. The product can be applied through surface application, microneedle delivery, and injection to meet the needs of skin repair at different depths.

This utility model relates to the field of conference table technology. It discloses a paperless conference table, comprising a table body, a tabletop on top of the table body, a through-hole for cable management below the tabletop, a hollow cavity below the tabletop, at least four through-holes in the tabletop, and at least four table legs below the table body; a secondary table, positioned above the table body, comprising a secondary tabletop and at least four lifting rods positioned below the secondary tabletop, the lifting rods extending through the through-holes into the cavity of the table body; and a drive assembly, comprising a drive component and drive rods, with an abutment plate at one end of each lifting rod connected to the at least four lifting rods. This utility model conference table offers multiple advantages: the secondary table achieves flexible height adjustment through the drive assembly and lifting rods, and after being embedded in the fixing groove, it forms a uniform plane with the main tabletop, balancing flexibility and stability; the secondary table features a sliding groove with detachable storage components, achieving concealed storage through T-slots, and integrating cables to keep the desktop tidy.

The invention relates to the field of space remote sensing measurement, in particular to a double-line-scan digital camera optical system based on multiplexing of a primary mirror and a secondary mirror, which comprises the primary mirror, the secondary mirror, a first third mirror, a second third mirror, a rear line-of-sight array focal plane and a front line-of-sight array focal plane, for a rear-view array imaging light path, a light beam is reflected by a first reflection area of a primary mirror, a secondary mirror, a second reflection area of the primary mirror and a first third mirror in sequence and then enters a rear-view array focal plane; for a front-sight array imaging light path, a light beam is reflected by the second reflection area of the primary mirror, the secondary mirror, the first reflection area of the primary mirror and the second third mirror in sequence and then enters a front-sight array focal plane. Through multiplexing of the primary mirror and the secondary mirror, two independent three mirrors are adopted to respectively adjust observation angles corresponding to a double-linear-array imaging light path, the system can flexibly adapt to asymmetric observation angles, and is excellent in image quality, compact in system structure and light in weight under the condition of a large relative aperture. And the method has important engineering significance for promoting the miniaturization and lightweight development of the double-linear-array surveying and mapping camera.

This invention relates to the technical field of voltage-adjustable capacitors, and discloses a voltage-adjustable capacitor structure and its application based on an ionized double layer. The voltage-adjustable capacitor structure includes: a driving layer comprising an electrodeformable material and matching positive and negative electrodes, the electrodeformable material capable of out-of-plane deformation upon application of voltage; and an ionized capacitor layer comprising an ionically active material with surface microstructures, a pair of electrodes for reading capacitance values, and elastic washers controlling the initial spacing between the electrodes. The ionized capacitor layer is encapsulated with insulating layers on both the top and bottom. This invention utilizes the principle of an ionized double layer, applying voltage to the driving layer to generate out-of-plane deformation, transmitting uniform pressure to the flexible ionized capacitor layer. This causes dynamic changes in the contact area between the ionically active material with surface microstructures and the electronically conductive electrodes. Leveraging the high capacitance density of the double layer, a significant increase in capacitance value from 58 pF to 1200 pF is achieved, with an adjustment ratio exceeding that of existing technologies by 2-8 times.

The invention discloses a red soil obstacle rice field directional fertilizer preparation method based on a carbon and nitrogen coordinated regulation principle, and relates to the field of soil improvement and fertilizer preparation. The planting core indexes comprise the soil pH value, the organic matter content, the nitrogen phosphorus and potassium nutrient content, the medium trace element content, the heavy metal effective state content, the soil humidity and the soil temperature; the rice field soil planting core indexes are pretreated; according to the preprocessed planting core index, the crop growth period and a general fertilization amount regulation and control formula, calculating the application amount of each fertilizer of the crop in the corresponding growth period; the method has the advantages that the fertilizer consumption is reduced, and the soil planting efficiency is improved.

This invention discloses an integrated online multi-stage gradient oxidation modification process and production line for carbon black, belonging to the field of carbon black production technology. Based on an oil furnace carbon black production line, this invention sequentially sets up a three-stage gradient oxidation unit: oxygen pre-oxidation via pneumatic conveying pipeline, gas-phase oxidation via vertical fluidized bed ozone-oxygen, and liquid-phase oxidation via a wet granulator with hydrogen peroxide. Each unit can be started and stopped independently and freely combined. The oxidized carbon black can be flexibly produced in multiple forms, including powder, wet granulation, and dry granulation. This invention integrates carbon black production and oxidation modification control, allowing precise control of oxygen-containing functional groups on the carbon black surface. The process flow is compact, with a single unit having an oxidation capacity of up to 60 tons / day. It features low energy consumption, high product stability, and is suitable for large-scale industrial continuous production.

The utility model relates to the field of industrial temperature measurement discloses a filamentous thermocouple temperature measurement element, including the protective sleeve, the inner surface of protective sleeve is passed through and is fixedly connected with the temperature measurement pipe, the outer surface sliding of protective sleeve is connected with the flange plate, the outer surface top of flange plate is provided with the positioning assembly, the positioning assembly includes the fastener, the inner surface of fastener is passed through with the outer surface of protective sleeve and is connected with sliding, the outer surface top of flange plate is fixedly connected with the clamping piece, the inner surface of clamping piece is equipped with the damping line, the outer surface of damping line is connected with the outer surface of protective sleeve contact. In the utility model, through flange plate can along the surface of protective sleeve and slide, and through positioning assembly carries out optional location, to meet the different equipment, different temperature measurement point to the difference in demand of temperature measurement depth, promotes the scene adaptability of element.

This invention discloses a rolling method for 0.1mm thick ultra-flat and ultra-hard precision stainless steel sheets, including: preset rolling parameters, production preparation, rolling, and post-rolling cooling. The preset rolling speeds are: 100-120 m / min for the first pass, 90-100 m / min for the final pass, and 110-120 m / min for intermediate passes; the preset rolling pressures are: 740-800 KN for the first pass, 950-1000 KN for the second pass, and [missing information - likely related to the final pass]. The rolling pressure is 700-760 kN, with intermediate passes at 700-800 kN; the rolling oil temperature throughout the rolling process is 35-40℃; the preset plate profile curve is set as follows: slope value -20-40, center waviness value 80, and edge waviness value 20; the rolls are M42 rolls with a diameter of 38-40 mm; the roughness of the rolls used in the finishing pass and the pass preceding the finishing pass is 0.4-0.5 μm, and the roughness of the rolls used in the first pass and the remaining intermediate passes is 0.5-0.6 μm. This invention can produce 0.1 mm ultra-flat and ultra-hard precision stainless steel sheets with qualified and uniform surface roughness and flatness, small thickness tolerance fluctuations, stable surface quality, and effectively improved rolling accuracy, product qualification rate, and production efficiency.

The utility model discloses a wax injection spiral conveying device which comprises a conveying module connected with a wax cylinder, the conveying module is provided with a wax conveying channel, an injection nozzle is arranged at the output end of the wax conveying channel, a feeding screw rod is rotationally arranged in the wax conveying channel, and the feeding screw rod is provided with a feeding hole. The feeding screw is in transmission connection with a driving element used for driving the feeding screw to rotate relative to the wax feeding channel. And when the feeding screw rod rotates relative to the wax feeding channel, wax liquid in the wax feeding channel is pushed to flow towards the nozzle. Under the action of the feeding screw, stable conveying of the wax liquid is guaranteed, and the wax injection amount can be adjusted by adjusting the rotating speed of the feeding screw.

The application relates to the technical field of cover plates, and discloses a silicon-based anodization-imitating cover plate and a manufacturing method thereof. The silicon-based anodization-imitating cover plate comprises, from inside to outside, a transparent substrate layer, a silicon-based multilayer film layer and a hole sealing layer. The transparent substrate layer has oppositely arranged first and second surfaces, the first surface directly contacts the silicon-based multilayer film layer and is provided with a plurality of hole structures; the silicon-based multilayer film layer is partially embedded in the hole structures; and the hole sealing layer is partially embedded in the hole structures covered by the silicon-based multilayer film layer to seal the hole structures. The cover plate product provided by the application realizes a matt metal luster comparable to metal anodization through the diffuse reflection effect of the porous structure and the light interference effect of the silicon-based multilayer film, the color level is rich, the color uniformity is good, and the differentiation requirement of high-end electronic equipment is met.

This utility model discloses an automatic laminating machine for gift boxes, including two frame plates. The four corners of each frame plate are welded together with reinforcing rods. Symmetrical bearing seats are mounted on the outer sides of each frame plate, and a rotating shaft is rotatably connected between two opposing bearing seats. A laminating roller is mounted on the surface of the rotating shaft at a position corresponding to the two frame plates. A connecting plate is fixedly mounted on the bottom of each frame plate to the right side of the laminating roller, and a support roller is rotatably connected between two connecting plates. A primary drive mechanism is fixedly mounted on the bottom of each frame plate to the right side of the support roller. This utility model uses laser cutting to cut the film, completely solving the problem of film adhesion and eliminating the need for secondary trimming. This effectively reduces processing steps and costs. Furthermore, the cutting path can be customized according to market demand, improving practicality and meeting the differentiated needs of high-end gift boxes.

The invention belongs to the field of adhesives, and provides PMMA (polymethyl methacrylate) glue with viscosity regulated and controlled by glacial acetic acid and a preparation method of the PMMA glue. According to the invention, a dual design of synergistic viscosity reduction of a PMMA matrix and free glacial acetic acid and slow release regulation and control of the PMMA-coated glacial acetic acid microcapsule is adopted, accurate regulation and control of the viscosity in a range of 500-50000 mPa.s are realized by controlling the dosage of glacial acetic acid in a range of 2-15 parts by mass, and meanwhile, the microcapsule component gradually releases glacial acetic acid in a glue drying process, so that the viscosity of the microcapsule is reduced, and the viscosity of the microcapsule is reduced. The viscosity rise caused by solvent volatilization is compensated, low viscosity, easy construction and high cohesion strength after drying are guaranteed, the problems that the construction performance and curing strength of traditional PMMA glue are difficult to balance, a high-solid-content system is difficult to defoam, and the storage viscosity stability is poor are solved, and the PMMA glue has wide industrial application value.