131results about How to "Meet performance needs" patented technology

The invention relates to the technical field of big data storage, in particular to a storage control method and device based on big data. The method comprises the following steps: acquiring an original data stream and application demand information; performing data dynamic correlation analysis on the original data flow according to the application demand information to obtain a dynamic update data correlation graph; performing feature vector generation on the dynamic update data association graph to obtain a data feature vector; performing intelligent quality evaluation on the data feature vector to obtain a data quality label; performing timeliness evaluation according to the data feature vector, and performing access popularity evaluation to obtain a timeliness score and an access popularity score; and acquiring system resource load condition information. The storage resource utilization rate, the data access performance and the overall efficiency of the system are improved by solving the limitation of a traditional method in the aspects of static data management and resource allocation.

The invention provides a database adaptive migration method and system based on a credential environment, and relates to the technical field of data processing.The method comprises the steps that an intelligent migration model is used for analyzing the structure, including a table structure, index configuration, constraint conditions and data types, of a source database, data size distribution is calculated, and a source database structure feature result is generated; according to a source database structure feature result, automatically selecting and configuring a target database type, adjusting environment parameters of a target database, and generating target database configuration information; according to the structure of a source database and configuration information of a target database, a data mapping rule is automatically established by utilizing an intelligent migration model, and the data mapping rule comprises automatic correspondence of table names and field names, automatic conversion of data types, and an automatic migration scheme of indexes and constraints. According to the method, automatic and intelligent migration from the source database to the target database is realized through the intelligent migration model, the performance is automatically optimized, the migration report is generated, and the migration efficiency and quality are improved.

The invention relates to the field of coatings, in particular to a chemical corrosion resistant epoxy resin coating and a preparation method thereof. The epoxy resin coating resistant to chemical corrosion comprises the following raw materials in parts by mass: 80-100 parts of an epoxy resin composition, 15-25 parts of a curing agent, 15-25 parts of modified nanoparticles, 2-5 parts of an anti-settling agent, 1-3 parts of a flatting agent, 1-2 parts of a defoaming agent, 5-10 parts of pigment filler and 20-40 parts of a diluent. The epoxy resin coating prepared by the invention not only has excellent binding power, but also can maintain excellent chemical corrosion resistance, water resistance, moisture resistance, aging resistance and the like, and can meet the performance requirements of various industries in the prior art on the epoxy resin coating, so that the application of the epoxy resin coating is greatly expanded, and the epoxy resin coating has very excellent application value.

The invention provides a cam, a wave generator and a harmonic reducer, the cam comprises a cam body, grooves are formed in the circumferential side face of the cam body, and the grooves are continuously or intermittently distributed in the circumferential direction of the cam body; the length of the cam body in the axial direction is H, the width W of any groove in the axial direction of the cam body meets the condition that W / H is larger than or equal to 0.15 and smaller than or equal to 0.3, and after the cam is matched with the flexible bearing, buffer spaces capable of providing elastic deformation and absorbing vibration are formed in the grooves. According to the harmonic reducer, the cam with the groove and the width meeting the design range is designed and constructed in the peripheral side face, the balance weight of the cam is reduced, the contact area between the cam and the flexible bearing is reduced, in the operation process of the harmonic reducer, a buffer space for providing elastic deformation and absorbing vibration can be formed in the groove with a certain span in the axial direction, and the service life of the harmonic reducer is prolonged. Load distribution of the harmonic reducer in the operation process is more uniform, and high-speed, low-noise and small-vibration operation of the harmonic reducer is facilitated.

The invention relates to a surface treatment method of rolled copper foil. The surface treatment method comprises the steps of degreasing, electrochemical corrosion and roughening. In the electrochemical step, the rolled copper foil serves as an anode, electrochemical corrosion treatment is conducted on the copper foil in an acid pretreatment solution, the defects of surface rolling lines, peeling and the like are removed, and the copper foil surface which is flat macroscopically and rough microcosmically is obtained. In the coarsening step, an additive is added into a coarsening solution, and fine copper particles are electroplated on the surface of the copper foil, so that the performance requirements of low roughness and high stripping resistance of the copper foil are met, and the use requirements of the high-frequency circuit board are met.

The utility model discloses a pressure injection molding mold, which is characterized in that a fixed mold comprises a fixed mold seat, a fixed mold plate fixed on the fixed mold seat and a fixed mold core fixedly arranged on the fixed mold plate, and a concave fixed mold cavity is formed on the fixed mold core; the movable mold comprises a movable mold base, a movable mold plate fixed on the movable mold base, and a movable mold core fixed on the movable mold plate; the movable mold core is provided with a movable mold base and a movable mold plate, the ejector plate can slide in the mold closing direction and is installed between the movable mold base and the movable mold plate, the ejector rod is fixedly installed on the ejector plate, the ejector reset spring provides elastic retaining force towards the movable mold base direction for the ejector plate, and the oil cylinder is fixedly arranged on the movable mold plate. The oil cylinder can drive the ejector plate to move towards the movable mold plate, so that the ejector rod ejects a bearing pad blank to be subjected to pressure injection of a composite wear-resistant layer in the movable mold cavity towards the fixed mold, and an ejector roller on an injection molding machine prevents the ejector plate from moving along with the movable mold base during mold opening, so that discharging is achieved. And stable development and timeliness of the project are ensured.

The invention provides a preparation method of a conductive corrosion-resistant modified layer of a stainless steel bipolar plate of a PEM water electrolyser. The preparation method specifically comprises the following steps: step 1, carrying out dry sand blasting treatment on the surface of a to-be-prepared coating of a 316L stainless steel bipolar plate base material by using a pressurized sand blasting machine; step 2, carrying out ultrasonic cleaning on the to-be-prepared coating surface of the 316L stainless steel bipolar plate base material subjected to sand blasting, and drying for later use; and 3, the dried 316L stainless steel bipolar plate base material is loaded on a welding tool platform, FeCoNiCrAl high-entropy alloy powder is put into a powder feeder, and the high-entropy alloy laser cladding coating is prepared on the surface, to be prepared, of the 316L stainless steel bipolar plate base material through a laser cladding technology. According to the technical scheme, the problems that in the prior art, the cost is high, the preparation technology is complex, and the coating thickness is small are solved.

The invention relates to the technical field of Internet of Things, and discloses an Internet of Things application system configuration method, device and equipment based on a low-code platform, and the method comprises the steps: generating an event strategy through triggering an interface control which is built in the low-code platform, the event strategy is used for defining an event triggering condition and an event linkage action for the application scene of the Internet of Things; calling a function node related to the event strategy in the low-code platform, and configuring the function node into an action logic chain based on the setting of an event triggering condition and an event linkage action; and sending a command for executing the action logic chain to a back-end server of the low-code platform in an apportionment manner, and configuring the Internet of Things application system to execute the command of the action logic chain under the condition that the event triggering condition is met. The development of the Internet of Things application system is realized by utilizing a low-code technology, the development and operation and maintenance process of the system can be simplified, and the development efficiency is improved.

The invention provides a preparation method of spherical iron phosphate, and relates to the technical field of lithium ion batteries, and the preparation method comprises the following steps: S1, one-step reaction: carrying out parallel flow on an iron salt solution, a phosphorus salt solution and ammonia water according to a molar ratio of 1: (0.8-1.2): (0.8-1.1) to generate amorphous iron phosphate slurry; adding ammonia water into the iron phosphate slurry to adjust the pH value to 1.5-2.5; s2, membrane washing; s3, a second-step reaction: adding pure water into the washed iron phosphate slurry, adjusting the iron concentration to 0.5-1.2 mol / L, adding a phosphoric acid solution, heating to 90-120 DEG C, and controlling the heat preservation time for 30-90 minutes after the material is converted into a white material, so as to obtain white slurry; s4, washing: taking a filter cake; s5, drying: generating iron phosphate dihydrate; s6, calcining: spherical iron phosphate is generated, and the iron phosphate is successfully converted from a traditional olive type, peanut type or honeycomb type to a spherical type through the preparation method provided by the invention.

The invention belongs to the technical field of high polymer material composite tarpaulin, and particularly relates to tear-resistant PVC (polyvinyl chloride) composite vehicle tarpaulin, equipment, a preparation method and application. The tarpaulin for the vehicle is composed of base cloth and PVC films attached to the two sides of the base cloth through PVC slurry. Wherein the PVC slurry comprises the following materials: 100 parts of PVC paste resin, 90-120 parts of a plasticizer, 4-8 parts of an adhesive, 11-12 parts of a viscosity reducer and 25-35 parts of PVC calcium powder; the thickness of the PVC slurry permeating into the base cloth is less than or equal to 1 / 3 of the thickness of the base cloth. Vehicle tarpaulin manufacturing equipment is improved, the bottom film pressing wheel and the surface film pressing wheel are additionally arranged to improve attachment of a PVC film and a large cylinder, an original padding process is changed into a transfer sizing method by means of the modified transfer sizing wheel set, the sizing gram weight and screen cloth permeation can be reduced, and the production efficiency is improved. The tarpaulin tearing performance is improved; and the tarpaulin has good stripping resistance and the like.

The invention discloses a heterogeneous platform calculation task scheduling method based on a machine learning algorithm. The scheduling method comprises the following steps of 1, analyzing and collecting static characteristics and dynamic characteristics of a data set program and hardware characteristics of an operation platform; 2, selecting a proper machine learning scheduling model and optimizing hyper-parameters, and evaluating the performance of the scheduling model through a plurality of indexes; and 3, selecting optimal hardware equipment during operation according to a model prediction result to realize efficient task scheduling. The invention also discloses a scheduling system for realizing the scheduling method and a corresponding application, and has a wide application scene.

The present invention provides a halogen-free flame-retardant polyamide composite material and a preparation method and application thereof. The halogen-free flame-retardant polyamide composite material comprises the following components by mass: 25-60 parts of polyamide resin, 15-40 parts of DOPO compound-coated glass fiber, 12-30 parts of organic phosphinate flame retardant, 3-10 parts of synergistic flame retardant, and 1-3 parts of free radical scavenger. Through the design and synergistic effect of DOPO compound-coated glass fiber and free radical scavenger, and compounding with organic phosphinate flame retardant and synergistic flame retardant, the halogen-free flame-retardant polyamide composite material has high GWIT and excellent flame retardancy, and the aging resistance is significantly improved, so that it can maintain color stability under long-term light-oxidation aging conditions, and has excellent mechanical properties and moisture-heat resistance, which fully meets the performance requirements of industries such as electronic appliances, energy storage, and connectors.

The invention discloses a trench p-type gallium oxide junction barrier Schottky diode and a preparation method thereof, and mainly solves the problems that an existing gallium oxide Schottky diode is high in on resistance and reverse leakage current and poor in voltage endurance capability and surge resistance capability. The device comprises a cathode ohmic metal layer (1), an n-type heavily-doped gallium oxide substrate (2), an n-type lightly-doped gallium oxide drift layer (3) and an anode Schottky metal layer (4) from bottom to top, and the upper surface of the n-type lightly-doped gallium oxide drift layer is downwards provided with a plurality of grooves (5) so as to change the surface electric field of the device; a p-type gallium oxide region (6) is injected below each groove, and the p-type gallium oxide region (6) and the n-type lightly doped gallium oxide drift layer form a gallium oxide homogeneous pn junction; and a high-k dielectric layer (7) is deposited in each groove. According to the invention, the leakage current is reduced, the reverse breakdown voltage of the device is improved, the on resistance is reduced, the anti-surge capability is improved, and the device can be used for power electronic equipment.

The invention discloses a method, a system and a device for determining test parameters of a memory and a storage medium. The method comprises the following steps: acquiring performance demand information of the memory; determining a first parameter type according to the performance demand information and a preset performance parameter table; performing a first performance test on the memory based on the first parameter type to obtain a first test result; under the condition that the first test result represents that the performance value of the memory is greater than or equal to the expected performance value, configuring the first parameter type as a test parameter of the memory; under the condition that the first test result represents that the performance value of the memory is smaller than the expected performance value, correcting the first parameter type to obtain a second parameter type; and configuring the second parameter type as a test parameter of the memory. The corresponding parameter type can be determined according to the performance requirement of the memory, so that the test meets the performance requirement, and the test efficiency is improved.

The invention relates to the technical field of battery packs, and discloses a bottom protection structure for a battery pack and the battery pack, the bottom protection structure for the battery pack comprises a liquid cooling plate, a bottom protection plate and a buffer layer; the bottom of the liquid cooling plate comprises a non-flow channel area and a protruding flow channel area; the bottom protection plate is arranged at the bottom of the liquid cooling plate, and the bottom protection plate and the liquid cooling plate are arranged at intervals; the buffer layer is arranged between the liquid cooling plate and the bottom protection plate, and the bottom of the buffer layer abuts against the bottom protection plate; in the flow channel area, the top of the buffer layer abuts against the liquid cooling plate; according to the present invention, the impact force can be effectively absorbed and dispersed when the different regions of the battery pack are impacted so as to ensure that the battery cells in the battery pack are not extruded when the battery pack is subjected to the external force effect, such that the battery pack can be prevented from being damaged, and the battery pack is prevented from being damaged. And the protection level of the battery cells in the battery pack is improved, and the overall safety of the battery pack is ensured.

The invention belongs to the technical field of finite element model generation and numerical simulation, and particularly relates to a foam structure model design method based on gradient Voronoi. The method specifically comprises the steps that firstly, N control points are continuously and randomly generated in a three-dimensional space area V0, the generated control points meet the condition that the Euclidean distance dist (Qi, Qj) between every two adjacent control points is larger than the minimum distance Dmin, and the minimum distance Dmin is determined based on a gradient function gamma (X); 2, sequentially calculating vertical bisecting surfaces of a connecting line between two adjacent control points, respectively offsetting the generated vertical bisecting surfaces by a set distance along the positive and negative directions of the connecting line of the two control points, and forming a Voronoi polyhedron with actual wall thickness by two new vertical bisecting surfaces generated by offsetting; and step 3, generating a gradient foam structure numerical model based on the Voronoi polyhedron with the actual wall thickness.

The invention discloses a short fiber and polyurethane-based interlayer in-situ modification method for a composite material, and relates to the technical field of resin material modification. According to the method disclosed by the invention, the epoxy resin is synergistically modified by utilizing the discrete short carbon fibers and the microphase separation polyurethane, so that the interlayer performance of the continuous carbon fiber reinforced epoxy composite material laminated board is enhanced and toughened; the epoxy resin is toughened by adding microphase separation polyurethane, so that the interlaminar fracture toughness of the composite material is improved, in addition, a proper amount of discrete short carbon fibers are added into the epoxy resin, and the interlaminar shear strength of the composite material is improved by utilizing the high-strength characteristic of the short carbon fibers; the method has the advantages that the thickness is easy to control, operation is easy, cost is low and the like, the interlayer performance of the continuous carbon fiber reinforced epoxy composite material can be comprehensively improved, and the requirement of engineering application in the aerospace field for the interlayer performance of a laminated board can be met.

The invention relates to the field of finish paint, in particular to chemical-resistant electroplating finish paint as well as a preparation method and application thereof. The chemical-resistant electroplating finish paint is prepared from the following raw materials in parts by mass: 30 to 50 parts of modified acrylate, 15 to 30 parts of epoxy resin, 5 to 10 parts of modified particles, 3 to 6 parts of photoinitiator, 2 to 3 parts of flatting agent, 0.5 to 1 part of defoaming agent, 3 to 10 parts of pigment and 20 to 40 parts of solvent. The finally prepared electroplating finish paint not only has excellent durability and chemical resistance, but also can be further improved in water resistance, aging resistance and mechanical properties, so that the performance requirements of the existing electroplating finish paint are effectively met, and the electroplating finish paint can be effectively applied to the field of cosmetic packaging and has wide application prospects. And meanwhile, the resistance to chemical substances (such as perfume, emulsion and the like) is also effectively improved, and the product has a very excellent application prospect.

The invention discloses a vehicle bottom intelligent pneumatic suite structure arrangement optimization method and device, a medium and a product, and relates to the technical field of vehicle aerodynamics and optimizing.The method comprises the steps that a pneumatic suite target height prediction model corresponding to a current working mode is determined as a current pneumatic suite target height prediction model; inputting the vehicle speed, the environment wind speed and the wind direction at the current moment into a current pneumatic suite target height prediction model to obtain a target arrangement state of the pneumatic suite; and a plurality of adjustable device control modules are controlled, so that each pneumatic part in the pneumatic suite reaches the target height. The arrangement state of the vehicle bottom pneumatic suite structure is dynamically adjusted based on the vehicle speed and the wind field environment change during driving, and the operation stability and the fuel economy of the vehicle during high-speed driving are improved.

The invention provides a heat setting control system for a papermaking felt. The heat setting control system comprises a felt loading device, a felt heat setting manufacturing device, a felt auxiliary mounting device and a felt unloading device, high-temperature steam or hot water is generated by combusting fuel, and then the heat energy is transferred to the papermaking felt, so that the papermaking felt is heated and shaped.

The utility model discloses a mounting pipe for air flow meter, engine air inlet pipeline and automobile, the mounting pipe for air flow meter comprises a first pipe body, a barrel-shaped body and an air outlet pipe, the first pipe body is provided with a mounting seat used for mounting an air flow sensor, the barrel-shaped body is buckled on the part of the first pipe body close to the air outlet end along the axial direction of the first pipe body, and the air outlet pipe is provided with an air inlet. The end, close to the installation base, of the barrel-shaped body is connected with the outer wall of the first pipe body in a sealed mode, a first airflow cavity is formed in the part, except the first pipe body, in the barrel-shaped body, an air outlet of the first airflow cavity is formed in the side wall of the barrel-shaped body, the air outlet pipe is connected with the air outlet, and the pipe wall of the air outlet pipe is in bypass connection with an access pipe used for being connected with a crankcase ventilation pipeline. According to the installation pipe for the air flow meter, a smaller arrangement space is utilized, and the problem that ventilation airflow of a crankcase influences measurement work of an air flow sensor is solved.

The invention discloses a piezoelectric heterogeneous substrate, a preparation method and a semiconductor device, the piezoelectric heterogeneous substrate comprises a substrate layer, a dielectric layer, a patterned electrode layer and a piezoelectric film layer, the dielectric layer is located between the substrate layer and the piezoelectric film layer, the patterned electrode layer is located in the dielectric layer, and one side of the patterned electrode layer is exposed to the dielectric layer and is electrically connected with the piezoelectric film layer; the piezoelectric thin film layer is provided with a first surface and a second surface which are deviated from each other, the first surface is an original exposed surface of the piezoelectric heterogeneous substrate for forming the piezoelectric thin film layer, the first surface is positioned on one side, deviated from the substrate layer, of the piezoelectric thin film layer, and the second surface is formed by thinning one side, deviated from the original exposed surface, of the piezoelectric wafer substrate. The sacrificial protection structure is adopted to form the piezoelectric thin film layer, a high-temperature process is completed before the patterned electrode layer and the dielectric layer are formed, stress caused by thermal mismatch in the subsequent preparation process is reduced, and the morphology accuracy, reliability, stability and durability of the piezoelectric heterogeneous substrate are improved.

The invention relates to the field of rubber materials, in particular to special composite modified rubber for an automobile cover tyre and a preparation method thereof. The special composite modified rubber for the automobile cover tyre is prepared from the following raw materials in parts by mass: 50-70 parts of natural rubber, 30-40 parts of composite rubber, 3-5 parts of an amino silane coupling agent, 30-50 parts of a carbon material, 15-25 parts of modified nanoparticles, 8-14 parts of a plasticizer, 3-5 parts of an activating agent, 2-4 parts of a dispersing agent, 1-1.5 parts of an antioxidant, 1-3 parts of a vulcanizing agent and 1-2 parts of a vulcanization accelerator. The prepared composite modified rubber special for the automobile cover tire has excellent wear resistance, can also keep good aging resistance, temperature-resistant stability, water resistance, skid resistance and the like, can effectively meet the performance requirements of the existing automobile field on automobile cover tire materials, and has very excellent market prospects.

The invention relates to a J-R type silicon carbide electrostatic chuck and a preparation method thereof. The preparation method of the J-R type silicon carbide electrostatic chuck comprises the following steps: (1) printing an electrode layer on a ceramic substrate of the electrostatic chuck to obtain a substrate-electrode layer structure; and (2) connecting a SiC single crystal J-R layer to one side of the electrode layer of the substrate-electrode layer structure, and performing hot pressing and co-firing to obtain the J-R type silicon carbide electrostatic chuck.

The invention belongs to the technical field of aviation fuel inerting system design, and discloses a Simulink-based airplane inerting system performance model and an analysis method thereof. The model comprises a pipeline element mathematical model, an isolating valve element mathematical model, a resistance element mathematical model, a heat exchanger element mathematical model, a double-flow control valve mathematical model and a hollow fiber membrane neural network assembly. According to the method, parameterized models of all the parts of the aircraft inerting system are established, and the models are simplified by combining engineering experience based on the technical characteristics of all the parts, so that the model analysis speed is increased while the precision is ensured; parameterized model matching of all parts of the system is established based on Simulink, the influence of parameters of all the parts on the performance of the system can be dynamically simulated with high precision, early design index distribution is facilitated, and the design iteration period is shortened; an interface model among the components is established, and the input and output cross-linking relationship of the components is identified, so that the integrity of technical index requirements of the system and the equipment is ensured; and 4, performance prediction is carried out based on existing test data by using a neural network method, and the problems of difficult performance analysis and low accuracy of the heat exchanger and the hollow fiber membrane are solved.

The utility model discloses a low-energy-consumption anti-theft alarm device, and belongs to the technical field of low-energy-consumption anti-theft alarm. The system comprises a CMOS image sensor, a data cache module, an infrared sensor module, a smoke detection sensor, a combustible gas detection sensor, a multiplexing switch, a data preprocessing module, a main control module, an HDMI interface chip control unit, an HDMI interface circuit, a communication module, a data storage module, a clock module, an alarm module and a power supply module. A domestic video processing chip Hi3516D is taken as an interface scheme of a core, so that the equipment can realize an image acquisition and transmission function with low power consumption, low code rate and high quality by applying the interface; a 5 mega-pixel-level CMOS image sensor OV5640 of the Omini Vision company is adopted as a front-end acquisition camera, efficient caching of video data is achieved, meanwhile, SiI9134 of the Silon Image company is adopted as an HDMI chip, and full-high-definition videos can be effectively supported.

The application belongs to the field of paint, and particularly discloses PU white primer, a preparation method and application thereof. The PU white primer comprises A component, B component and C component. The A component comprises hydroxyl acrylic acid resin, castor oil, dispersing agent, defoaming agent, cyclohexanone, silicon dioxide, titanium white powder, talcum powder, calcium carbonate, butyl acetate, leveling agent, organic tin and propylene glycol methyl ether acetate. The B component comprises butyl acetate, HDI trimer and isocyanate prepolymer. The C component comprises dimethylbenzene, butyl acetate, propylene glycol methyl ether acetate and dimethyl carbonate. The PU white primer has the advantages of water resistance, high temperature resistance, adhesion, adhesion, hiding power and strong flexibility, and has superior comprehensive performance, is green and safe, low in cost, and is very suitable for being used as wood and stone surface primer in kitchens, bathrooms and the like.

The present invention provides a roller shaft for a brush roller, including a shaft body, wherein the outer peripheral surface of the shaft body contains at least one spirally extending groove portion for fixing a brush strip, and at least one end portion of the groove portion is a continuous curved transition, preferably a three-arc transition structure, and by changing the structure of the single arc transition line at the end portion of the groove portion, the phenomenon of highly concentrated stress can be eliminated, the bearing capacity can be improved, and the service life of the roller shaft can be extended.

The invention relates to an antifouling and antibacterial micro-arc oxidation product and a preparation method thereof. The preparation method comprises the following steps: adding copper-containing powder into a workpiece to be subjected to micro-arc oxidation; the workpiece to be subjected to micro-arc oxidation is subjected to oxidation treatment through a copper-free micro-arc oxidation electrolyte, the copper-free micro-arc oxidation electrolyte comprises main salt, an additive, a pH regulator and water, the mass concentration of the main salt is 5-20 g / L, the mass concentration of the additive is 1-8 g / L, and the mass concentration of the pH regulator is 0-10 g / L. No copper-containing component needs to be added into the micro-arc oxidation electrolyte, so that the stability of the electrolyte is improved, and the maintenance cost is reduced. In addition, the copper-containing micro-arc oxidation antifouling and antibacterial coating can be prepared on non-valve metal by adopting the preparation method disclosed by the invention. Meanwhile, the method is particularly suitable for preparing the antifouling and antibacterial coating on the surface of the copper-containing particle reinforced magnesium-based composite material.

The present application relates to the field of damping materials, and in particular to a sprayable sound insulation damping material and a preparation method thereof. The sprayable sound insulation damping material, in parts by mass, comprises the following raw materials: 20 to 30 parts of base emulsion, 0.1 to 0.8 parts of thickener, 1 to 2 parts of moisturizer, 0.2 to 0.6 parts of pH adjuster, 0.1 to 0.2 parts of mildew inhibitor, 2 to 6 parts of starch material, 50 to 65 parts of filler, 0.1 to 0.5 parts of foaming agent, 4 to 10 parts of water-based additive, and 5 to 10 parts of deionized water. The sprayable sound insulation damping material prepared in the present application can withstand high-temperature baking at 140°C without cracking or bubbling, and it has a low-density material and extremely low VOC, as well as being able to maintain good waterproof, aging-resistant, corrosion-resistant and other properties, effectively meeting the performance requirements of the automotive industry for sprayable sound insulation damping materials today, and has very excellent application prospects.