52results about How to "Improve preservation quality" patented technology

The invention relates to the technical field of nano-liposomes, and discloses cardamonin nano-liposomes for promoting transdermal absorption and a preparation method and application thereof, the cardamonin nano-liposomes comprise an inner phase and an outer phase, the inner phase comprises the following raw materials in parts by weight: 5-10 parts of cardamonin, 2-10 parts of lecithin and 5-20 parts of grease, and the outer phase comprises the following raw materials in parts by weight: 5-10 parts of cardamonin, 2-10 parts of lecithin and 5-20 parts of grease; the stabilizer is carboxymethyl chitosan; an external phase: 0.1-5 parts of a surfactant, 0.1-3 parts of a stabilizer, 10-20 parts of short-chain alcohol and 44.9-80 parts of water; the mixture of the external phase and the internal phase is sequentially subjected to homogenization treatment and microjet homogenization treatment, and the cardamonin nano-liposome for promoting transdermal absorption is prepared. The cardamonin nano-liposome for promoting transdermal absorption provided by the invention is a flexible liposome, and can moisten skin and reduce moisture loss on the skin surface; the transdermal amount and retention amount of the carried components are obviously improved; the permeability of the cardamonin to the skin cell membrane is enhanced.

The utility model relates to a glass slide liquid sealing mechanism which comprises a frame body, a moving assembly, an infrared sensor, a liquid injection assembly, an ultraviolet lamp and a collecting assembly. The moving assembly, the infrared sensor, the liquid injection assembly and the collecting assembly are arranged on the frame body. According to the glass slide liquid sealing mechanism, by arranging the frame body, the moving assembly, the liquid injection assembly, the ultraviolet lamp and the collecting assembly, a worker firstly places a glass slide on the frame body, the moving assembly drives the glass slide to move, the liquid injection assembly injects glue into the glass slide, the moving assembly drives the glass slide to move, and the ultraviolet lamp solidifies the glue; the glass slides are collected through the collecting assembly, bubbles are not prone to being generated, the influence of the follow-up observation effect is improved, the storage quality of the glass slides is improved, and therefore the glass slide sealing device has the advantage of being good in slide sealing effect and can be conveniently used by workers.

The invention discloses a fresh-keeping state detection system and method for transportation of fresh fruits and vegetables, and relates to the technical field of transportation of fresh fruits and vegetables, the system comprises a multi-parameter sensor array, a transportation area image acquisition module, a real-time fresh-keeping data processing module and a fresh-keeping state prediction module; the real-time fresh-keeping data processing module is used for receiving data acquired in real time by a plurality of sensors included in the parameter sensor array and data acquired in real time by the transportation area image acquisition module; preprocessing data acquired by a plurality of sensors included in the parameter sensor array in real time and data acquired by a transportation area image acquisition module in real time to obtain sensor data and transportation area image data; and the fresh-keeping state prediction module is used for determining the fresh-keeping state of the fresh fruits and vegetables by utilizing the trained and optimized fresh-keeping state prediction model according to the sensor data and the transportation area image data.

The utility model relates to the technical field of preservation devices, in particular to a preservation device for microorganism sampling. The technical problems that according to an existing preservation device, due to the fact that preservation conditions and types of different microorganisms are different, mutual isolation between samples stored in glass bottles is poor, cross contamination is likely to happen when bottle caps are opened and closed for storage, meanwhile, air and other pollutants are likely to enter the bottles when the bottle caps are frequently opened for storing the samples, and the storage time is shortened are solved. The sample is polluted, and the preservation quality of the sample is influenced. According to the technical scheme, the preservation device for microorganism sampling comprises a storage tank, a sealing assembly, a storage assembly and a control assembly; the sealing cover is combined with the sealing strip to be buckled and sealed with the storage tank, so that air and external pollutants are effectively prevented from entering the storage tank, microorganism samples in the storage tank are protected from being influenced by external factors, meanwhile, the situation that the samples in the storage tank are leaked or volatilized to cause deterioration of the samples is avoided, and the storage stability of the microorganism samples is improved.

The invention provides an oat dextran-phenolic acid grafted copolymer, a preparation method thereof and application of the oat dextran-phenolic acid grafted copolymer as an antioxidant antibacterial liquid, and belongs to the technical field of food preservation, phenolic acid and oat dextran are mainly used as reaction substrates, the oat dextran-phenolic acid grafted copolymer is prepared through an N, N '-carbonyldiimidazole method under the assistance of vacuum ultrasound, and the oat dextran-phenolic acid grafted copolymer is used as an antioxidant antibacterial liquid. The synthesis process is simple, the synthesis time can be effectively shortened through vacuum ultrasound, the synthesis efficiency is improved, meanwhile, the oat glucan-phenolic acid grafted copolymer prepared through the N, N '-carbonyldiimidazole method has good antioxidant and antibacterial activity, the shelf life of chilled fresh meat can be effectively prolonged when the oat glucan-phenolic acid grafted copolymer is used for preserving the chilled fresh meat, and the service life of the chilled fresh meat is prolonged. The nutritional ingredients are reserved.

The utility model discloses a file storage box for enterprise management. The file storage box for enterprise management comprises a file storage box mechanism, the file storage box mechanism comprises a file main body box, a through hole is formed in the file main body box, and the lower end of the file main body box is fixedly connected with a supporting base plate through a bolt. The storage space can be more effectively utilized to store more files, different types of files can be effectively distinguished, file management is more orderly, the file placing frame can be easily moved out through the first moving rod and the second moving rod, file storage and taking are more convenient and faster, and therefore time is saved.

The invention provides a taro seed conservation and seedling raising method, belongs to the technical field of agriculture, and aims to improve the production efficiency of taro planting and the seed preservation quality. According to the method, through direct seed conservation and seedling raising in a field, tedious carrying and storage steps are avoided, labor dependence and labor cost are reduced, and meanwhile seed loss caused by improper cellar environment is reduced. Suitable climate is selected to transplant seedlings, so that the environmental adaptability is enhanced, the growth quality and yield are improved, the energy consumption is reduced, the green agriculture trend is met, the economic benefit is improved, and the industrial sustainable development is promoted.

The present invention relates to a control method of a refrigerator and a refrigerator. The refrigerator includes a drawer with adjustable dryness and wetness, and the drawer has a drying mode and a moisturizing mode with different preset humidity ranges. The control method of the present invention includes: after receiving a mode switching signal for indicating switching of the dry and wet modes of the drawer, issuing a prompt message for indicating the start of the mode conversion of the drawer; adjusting the humidity in the drawer according to the set mode indicated by the mode switching signal, the set mode is a drying mode or a moisturizing mode; and when the humidity in the drawer is adjusted to within the preset humidity range corresponding to the set mode, issuing a prompt message for indicating that the mode conversion of the drawer is completed. The present invention provides the user with prompt messages for starting and ending the drawer mode conversion, so that the user can put the items into the drawer at the right time, ensure the better preservation quality of the items, and avoid the items from being put into the drawer too early, resulting in serious water loss or moisture deterioration of the items.

The invention discloses a small household self-service medicine dispensing cabinet, and relates to the field of household medicine dispensing cabinets, the small household self-service medicine dispensing cabinet comprises a case provided with a replacement port for replacing internal components, at least one medicine storage hopper inserted into the case, and at least one medicine dispensing wheel rotationally connected into the case, the annular surface of the medicine distributing wheel is attached to the bottom end of the medicine storage hopper, a groove used for containing a single medicine is formed in the annular surface of the medicine distributing wheel, the medicine distributing device further comprises a collecting hopper, the collecting hopper is installed below the medicine distributing wheel in the machine box, and the medicine falling from the bottom end of the collecting hopper can be discharged out of the machine box. The medicine storage hopper is used for storing medicine, the medicine distributing wheels matched with the bottom end of the medicine storage hopper rotate to distribute the required number of medicine, and the medicine falls out of the grooves of the medicine distributing wheels, is guided by the guide structure, is collected and slides out of the machine box to be taken by a patient. And the medicine dispensing wheel can be replaced by opening the sealing plate at the replacement opening, so that different types of newly added medicines can be adapted.

The present invention relates to a control method of a refrigerator and a refrigerator, the refrigerator comprising a storage compartment and a first storage device arranged in the storage compartment, the first storage device having a drying mode and a moisturizing mode with different preset humidity ranges. The control method of the present invention comprises: after receiving a preset indication signal, obtaining image information of the internal space of the first storage device; identifying all food information contained in the image information; intelligently matching the target functional mode that the first storage device should have for each food information; and when the target functional modes matched by all food information are consistent, adjusting the humidity in the first storage device according to the target functional mode. The user does not need to manually set and adjust the functional mode of the first storage device to match the functional mode of the first storage device with the environment actually required for storing food therein, thereby improving the intelligence of the refrigerator and the user experience, and ensuring better preservation quality of the food.

The utility model relates to the field of agricultural product feed storage, and discloses an agricultural product feed storage device with good dryness, which comprises a connecting box, the top of the connecting box is fixedly connected with a feed storage box, the inner wall of the feed storage box is provided with a plurality of air transmission holes, and the inner wall of the connecting box is fixedly connected with a plurality of ventilation plates. And the top of the connecting box is fixedly connected with an air transmission assembly providing the drying keeping capacity, the inner wall of the material storage box is fixedly connected with two fixing blocks, the outer portions of the fixing blocks are fixedly connected with air cylinders, and the outer portions of the air cylinders are fixedly connected with material pushing assemblies providing the shrinkage capacity. According to the structure, the storage quality of feed is improved, the mildew risk caused by moisture is reduced, meanwhile, the effects of prolonging the storage period of the feed and guaranteeing the nutritional value of the feed and the safety are achieved, meanwhile, the convenience and practicability of the device are improved, the cost is low, and maintenance is convenient.

The application discloses a liquid nitrogen sampling heat preservation storage box and a storage method, relates to the technical field of storage devices, and comprises a box body, a box cover arranged on the box body, a liquid nitrogen filling opening arranged on the box body, and a limiting device arranged in the box body. The limiting device comprises a first limiting plate for limiting the bottom surface of a sample placed in a sample bag and a second limiting plate for limiting the top surface of the sample placed in the sample bag. The first limiting plate and the second limiting plate are both hollow structures. The first limiting plate and the second limiting plate are immersed in liquid nitrogen, the overall, rapid and uniform cooling of the sample is realized, and the integrity of nucleic acid is maximally protected. Mechanical damage of the sample caused by the exposure of the sample to the liquid surface due to buoyancy or the collision and friction of the sample with the box cover and the side wall is prevented, and the freezing stability of the sample and the nucleic acid preservation quality under a complex transportation environment in the field are improved.

The utility model provides a refrigerator which comprises a refrigerator body, and a storage chamber is formed in the refrigerator body. The drawer is arranged in the storage chamber and used for containing stored objects; the magnetic field device comprises a shell and at least one magnetic field generating piece, the shell forms a containing space, the magnetic field generating piece is arranged in the containing space, and the magnetic field device is arranged at the top of the drawer so as to at least cover part of the top opening of the drawer. The storage objects placed in the drawer are subjected to the action of the magnetic field in the storage process, so that the fresh-keeping effect is improved. And the magnetic field device is relatively close to the internal space of the drawer, so that magnetic field attenuation is reduced. And the shell can protect the magnetic field generating piece, and the magnetic field device can be connected with other parts by utilizing the shell, so that the shape and the structure of the magnetic field generating piece are prevented from being transformed, and the uniformity of the magnetic field of the magnetic field generating piece is ensured.

The application provides a boar semen cryopreservation agent and an application method; the boar semen cryopreservation agent comprises alpha-amylase, and the content of the alpha-amylase is 10-1000 mu g / L. The application method of the cryopreservation agent is as follows: centrifuging the boar semen after collection and pretreatment, removing supernatant after centrifugation; adding a refrigerant, re-suspending the sperm, and then placing the sperm in a 4 DEG C refrigerator and standing for 3-4 hours; adding a freezing liquid and fully mixing; filling the semen into a thin tube at 4 DEG C, uniformly laying the thin tubes in a freezing rack, and then precooling on a liquid nitrogen surface and then placing in liquid nitrogen for freezing. The application has the advantages that: the overall components of the cryopreservation agent are simple, the cost is low, and the overall cost performance is high; due to the addition of alpha-amylase in the cryopreservation agent, the storage quality of the boar frozen semen can be significantly improved; and the activity, acrosome integrity, DNA integrity, mitochondrial activity and other physical and chemical properties of the boar frozen semen are effectively improved.

The invention discloses animal cell culture medium split charging and storing equipment, and relates to the technical field of animal cell culture.The animal cell culture medium split charging and storing equipment comprises a base and a storing box, the storing box is fixedly connected to the outer surface of the upper end of the base, a box cover is arranged on the outer surface of the upper end of the storing box, and a cavity is formed in the base; the cavity penetrates into the storage box and communicates with the storage box, dustproof nets are fixedly connected to the two sides of the outer surface of the box cover in an embedded mode, and a controller is arranged in the storage box. In the process of storing and taking the cell culture medium, the partition plates support the subpackaging bottles, the stability of the subpackaging bottles in the storing and taking process can be guaranteed, in addition, in the storage process, the limiting plates are used for fixing the subpackaging bottles from the bottle necks of the subpackaging bottles, and the situation that the subpackaging bottles are damaged due to large-area attachment of the limiting plates and the bottle bodies of the subpackaging bottles can be avoided. Therefore, the cell culture media in different areas in the same subpackaging bottle have large temperature difference, and the preservation quality is greatly improved.

The utility model discloses a detection machine for detecting small and dense low-density lipoprotein, which relates to the technical field of lipoprotein detection machines, and comprises a box body, a protection mechanism is arranged on one side of the box body, the protection mechanism comprises a detection box, and a movable placing plate is arranged on one side of the detection box. The upper surface of the movable placing plate is provided with an electrophoresis tank used for carrying out an electrophoresis experiment, the protection mechanism further comprises a storage box, the upper surface of the storage box is provided with a rotatable isolation plate, the storage box is internally provided with a movable frame, and a plurality of reagent bottles used for storing detection samples are inserted into the upper surface of the movable frame; a transmission mechanism is arranged on the surface of one side of the box body, in the scheme, by arranging the protection mechanism and the transmission mechanism, a sample can be efficiently protected and prevented from being affected by the outside or leaking in the use process, the use portability is improved, the sample treatment process is more convenient and faster, and the sample treatment efficiency is improved. And the complexity and the error rate of manual operation are reduced.

The utility model discloses a kind of anti-deformation supporting devices of wheel hub mould, belong to the technical field of wheel hub mould supporting structure, including shade cover, upper pressure rod, lower bearing rod, lower cross pipe, end connecting plate and locking bolt.Shade cover top is equipped with dehumidification structure, both sides are equipped with upper pressure rod and form top shade structure, upper pressure rod is pressed on the casting surface side slope of wheel hub side module, lower bearing rod is equipped below, lower cross pipe is equipped between two lower bearing rods and forms bottom supporting frame, top shade structure and bottom supporting frame two ends are equipped with end connecting plate.The utility model is convenient to install and can be reused, can provide effective support and protection to these key parts such as wheel hub side module's casting surface and casting surface joint line after wheel hub side module production is completed, to effectively reduce the risk of physical deformation or corrosion in transportation and storage process.

The present invention provides a fully automatic storage warehouse and a control method thereof, which relate to the field of automation technology and include a hardware system and a software system. The hardware system includes an intelligent transport robot and an environmental control module, and the software system includes a central control system, a path planning module, a task scheduling module, and a visual management module. The central control system controls the intelligent transport robot to execute access instructions according to an optimal path and a collaborative control strategy, and monitors the state and position information of the intelligent transport robot in real time, and dynamically adjusts task allocation and path planning. The central control system predicts and adjusts the optimal storage environmental parameters according to historical data and current status through an environmental parameter prediction model, and sends the environmental parameter instructions to the environmental control module.

The utility model relates to the technical field of numerical control blades, and discloses numerical control blade storage equipment which comprises a main frame, a plurality of storage frames are fixedly connected to the front end and the rear end of the main frame respectively, cover bodies are arranged on the top sides of the storage frames at the front end and the rear end respectively, and one end of each cover body is connected with the main frame through a rotating assembly. A moisture-proof assembly is arranged on the top side of the cover body, a limiting assembly is arranged at the middle end of the interior of the storage frame, the bottom side of the inner wall of the storage frame is connected with an abutting plate through a reed, and a plurality of buffer pieces are arranged on the two sides of the inner wall of the storage frame. According to the numerical control blade clamping device, the blade can be stably clamped between the limiting piece and the abutting plate, then the stability of storage of the numerical control blade is kept, the buffer piece abutting against the numerical control blade can be compressed when the numerical control blade is impacted, protection and buffering are provided for the numerical control blade, and therefore the numerical control blade is prevented from being abraded and damaged.

The utility model discloses a piece type wind power tower tube storage bracket, which belongs to the technical field of wind power and comprises a plurality of support components, protective components are arranged on the support components, every two adjacent protective components are mutually clamped through a connecting component, and end cover plates are detachably connected onto the head protective component and the tail protective component. Through the supporting assembly, the protection assembly and the connecting assembly, stable supporting and end face full-coverage protection of the tower drum in a temporary or long-term storage state are achieved, the surface of the tower drum is prevented from being affected by external environments such as dust and rainwater, the storage quality of the wind power tower drum is improved, the service life of the wind power tower drum is prolonged, split type modular design is adopted, assembling is convenient, the structure is reliable, and cost is low. And the device is suitable for application scenes such as manufacturing and transportation of the wind power tower drum.

The utility model discloses a grain cooling machine with a water retention effect, and relates to the technical field of grain cooling machines. The moisturizing device comprises a box body and a base, a moisturizing mechanism is arranged on the box body, and the moisturizing mechanism comprises a moisturizing assembly, a driving assembly and a filtering assembly; the moisturizing assembly comprises two supporting lug plates fixedly connected to the inner bottom wall of the box body, a first connecting shaft penetrates through the two supporting lug plates, a cam is fixedly connected to the left end of the first connecting shaft, a water storage tank is fixedly connected to the inner wall of the box body, two sliding grooves are formed in the inner wall of the water storage tank, and the two sliding grooves are fixedly connected to the inner wall of the box body. The inner walls of the two sliding grooves are both connected with sliding blocks in a sliding mode, the sides, close to each other, of the two sliding blocks are fixedly connected with rectangular plates, and the top faces of the rectangular plates are fixedly connected with breathable sponges. The storage quality of the grains is favorably improved.

The utility model discloses a sealed storage device for naphthenic oil storage, which relates to the technical field of storage devices and comprises a tank body, a storage port is arranged at the top of the tank body, a discharge port is arranged on one side of the bottom of the tank body, and the tank body is provided with a water circulation cooling component and a stirring component. According to the technical scheme, the water circulation cooling assembly is arranged, specifically, during storage, cooling liquid is poured into the first inner cavity through the first connector, then flows into the second inner cavity through the first opening and the second opening and then circulates out through the second connector, water cooling heat exchange is adopted, the storage environment of the storage device is guaranteed, and the service life of the storage device is prolonged. The storage quality of the naphthenic oil is improved.

The utility model provides a sample storage cabinet which comprises an adjusting assembly, the adjusting assembly comprises a storage cabinet, a telescopic piece fixed in the storage cabinet, an elastic piece arranged in the telescopic piece and used for adjusting the thickness of a test tube, and a rotating piece fixed in the storage cabinet; the refrigeration assembly is fixed to the outer side of the storage cabinet, and the refrigeration assembly comprises a ventilation piece which is fixed to the outer side of the storage cabinet and used for refrigeration. The sample storage cabinet provided by the utility model solves the problems that an existing device is inconvenient to take quickly and accurately, test tubes in the storage cabinet are inconvenient to store at low temperature, and when the outside weather is too high, liquid in the test tubes may deteriorate, so that the result of water quality detection is inaccurate, and the storage quality is reduced.

The utility model relates to the technical field of rack, concretely is the rack for waterproof material production, including the bottom plate, the upper end surface fixed mounting of bottom plate has the shell, the inside right end surface fixed mounting of shell has the motor, the output shaft end fixed mounting of motor has the rotating ring, the left end surface rotation of rotating ring is connected with the pivot, the outer surface of pivot is equipped with the cross bar, the upper end surface of cross bar is set up and has the placement slot, the right end surface rotation of placement slot is connected with the sleeve. The utility model discloses through setting up the protection mechanism and the ventilation equipment, the waterproof material in the placement slot is effectively protected, and the outside dust and impurity pollution are isolated, ensure the clean and stable of material storage environment, can start the ventilation equipment regularly to the inside of placement slot is ventilated and is handled, is blown out the equipment in keeping dry while, reduces the artificial cleaning frequency, promotes the use convenience and material conservation quality, prolongs the storage period and performance stability of waterproof material.

The invention discloses a polygonatum cyrtonema greenhouse seedling raising technology based on mechanical peeling and refrigeration germination acceleration, and belongs to the technical field of breeding. According to the method, the polygonatum cyrtonema seeds are mechanically peeled by adopting the hexagonal roller screening machine, and the seed kernels are stored under the condition of manual temperature control and humidity control, so that the force is easy to master, the seed mildew and rot phenomenon is effectively relieved, and seed embryos are intact; the seedling raising method has the advantages of being low in embryo germ dip dyeing rate (6% or below), short in seed dormancy time (5 months), short in seedling outplanting time, high in germination rate (98%), large in seed treatment capacity (50 jin can be treated in one batch), low in operation difficulty, high in growth speed and high in seedling quality, and the success rate of large-scale breeding of polygonatum cyrtonema is increased.

The invention provides a nafamostat mesylate new crystal form and a preparation method thereof, and belongs to the technical field of medicine crystal forms. An X-ray diffraction pattern of the new crystal form of nafamostat mesylate has characteristic diffraction peaks at the following 2 theta angles: 10.56 degrees, 12.02 degrees, 14.97 degrees, 15.95 degrees, 16.27 degrees, 16.95 degrees, 17.68 degrees, 18.35 degrees, 18.71 degrees, 19.22 degrees, 19.78 degrees, 20.42 degrees, 20.84 degrees, 21.74 degrees, 21.98 degrees, 22.55 degrees, 23.09 degrees, 23.72 degrees, 24.05 degrees, 24.25 degrees, 24.88 degrees, 25.78 degrees, 26.27 degrees, 27.30 degrees, 28.01 degrees, 28.84 degrees, 29.02 degrees, 29.81 degrees, 30.60 degrees, 30.96 degrees, 32.28 degrees, 32.98 degrees, 33.39 degrees, the new crystal form of nafamostat mesylate and the preparation method provided by the invention have the advantages of high purity, good stability, controllable process and easiness in repetition.

The utility model provides a fresh-keeping device and a refrigerator. The fresh-keeping device comprises a fresh-keeping container in which a fresh-keeping space is formed; the shelf is arranged in the fresh-keeping space and is provided with a plurality of food material supports for supporting food materials; and the sterilization module is arranged above the shelf and is used for releasing sterilization substances in a controlled manner, so that the sterilization substances are used for purifying the fresh-keeping space. The food fresh-keeping device has the advantages that the fresh-keeping space can be regularly purified, bacteria breeding in the fresh-keeping space is reduced, and the fresh-keeping quality of food materials is improved.

The utility model provides a seed cleaning device for seed production, which belongs to the technical field of seed cleaning and comprises a cleaning frame, a seed box arranged in the middle of the cleaning frame, a rotating shaft arranged on one side in the cleaning frame, and two cams arranged in the middle of the rotating shaft. A plurality of springs are arranged between the side, away from the cam, of the seed box and the inner wall of the cleaning box, a mounting plate is arranged at the top of the cleaning frame, and a fan is arranged in the middle of the mounting plate; the seed cleaning device can improve the cleaning efficiency, reduce the damage of seeds during shaking, and improve the storage quality of the seeds.

The invention relates to the technical field of vegetation sampling, in particular to a vegetation sampling device for forestry survey, which comprises a casing, a first mounting circular plate is fixedly connected to the right end of the casing, a rotating circular plate is fixedly connected to the first mounting circular plate, and a mounting telescopic plate is fixedly connected between the rotating circular plate and a telescopic sampling pipe. A rotating disc is rotatably connected to the outer wall of the rotating disc, a rotating mechanism is fixedly mounted on the outer wall of the rotating disc, a mounting sleeve box is fixedly connected to the end, away from the first mounting disc, of the rotating disc, and a plurality of storage mechanisms capable of storing vegetation samples are fixedly connected to the end, away from the first mounting disc, of the rotating disc; the end, away from the rotating disc, of the mounting sleeve box is fixedly connected with a telescopic sampling pipe, the end, away from the mounting sleeve box, of the telescopic sampling pipe is fixedly provided with a sampling mechanism capable of sampling vegetation leaves, the telescopic sampling pipe can drive the sampling mechanism to stretch out and draw back freely, the moving distance of the sampling mechanism is prolonged, multiple vegetation sampling can be conducted, and manual operation is not needed.

The embodiment of the invention discloses a portable selective limb perfusion device and a control method thereof. The method comprises the following steps: collecting multi-modal data in a perfusion device, wherein the multi-modal data comprises thermal imaging data, environmental parameters and physiological indexes; performing feature extraction on the multi-modal data, extracting image features by using a convolutional neural network, and processing numeric features through deconvolution operation; fusing the features through a self-attention mechanism to obtain fused features; performing state prediction based on the fusion features, and outputting a state deviation coefficient; calculating a parameter adjustment priority based on the expert weight and the state deviation coefficient; and generating a parameter adjustment instruction according to the priority, and realizing self-adaptive adjustment of infrared heating, sodium bicarbonate injection, temperature control, pump rotating speed, glucose / insulin injection and injection parameters. Through multi-modal data fusion and intelligent decision making, precise closed-loop control of the perfusion process is achieved, and the organ preservation quality and the transplantation success rate are remarkably improved.