97 results about "Thermal stimulation" patented technology

The invention discloses a reprocessable solid-solid phase change material based on dynamic borate bonds and a preparation method of the reprocessable solid-solid phase change material. Based on the mechanism that boric acid ester is subjected to ester exchange during thermal stimulation, a dynamic cross-linking agent containing boric acid ester is adopted for cross-linking a polyurethane prepolymer, polyethylene glycol is cross-linked through chemical bonds, the tensile strength and the elongation at break of the phase change material are improved, and the problem that the phase change material is prone to leakage in the phase change process is solved; besides, borate bonds belong to associated dynamic covalent bonds and can keep the crosslinking density of the material unchanged when ester exchange occurs under thermal stimulation, so that the thermal stability of the material is relatively good; the solid-solid phase change material disclosed by the invention is excellent in mechanical property, has a relatively high enthalpy value, can be reprocessed, and has an application prospect in the fields of thermal management, energy storage, infrared stealth and the like.

The embodiment of the invention provides a melanoma postoperative wound intelligent dressing, and belongs to the technical field of intelligent medical treatment. The intelligent dressing for the wound after the melanoma operation comprises a multiple monitoring module, an intelligent processing module and an on-demand drug delivery module which are arranged on a dressing base body, the multiple monitoring module is used for acquiring biological signals of a wound surface microenvironment in real time; and the intelligent processing unit analyzes the biological signal to generate a wound state judgment result, and controls the on-demand drug delivery module to trigger electrical stimulation or thermal stimulation based on the wound state judgment result so as to realize on-demand drug release. According to the scheme, the deep learning intelligent early warning model fusing the generative adversarial network and the Transform structure is constructed, high-precision analysis and dynamic risk judgment of melanoma postoperative wound multi-dimensional time sequence data are achieved, and the accuracy and stability of wound state recognition are effectively improved.

The invention discloses a flexible actuator integrating driving, sensing and rigidity changing and a manufacturing and driving method of the flexible actuator. The actuator adopts a three-layer composite structure: a driving layer is composed of a liquid crystal elastomer and can generate reversible deformation in response to light or thermal stimulation; the variable stiffness layer is composed of a polydopamine modified stiffness adjustable polymer, and active switching of stiffness and deformation locking can be achieved through thermal regulation and control; the sensing layer is composed of a multi-walled carbon nanotube grid, can be integrally formed with the driving layer, and monitors self deformation in real time by transmitting resistance signals; the actuator is obtained by compounding the three layers; the driving method comprises repeated heating and cooling so that the actuator can be bent, fixed and restored. Through cooperation of the three functional layers, unification of optical / thermal multi-mode driving, real-time self-sensing and active deformation locking is achieved, an actuator can lock any middle deformation state by regulating and controlling the cooling rate, and the optical / thermal multi-mode driving device has the advantages of being diverse in driving mode, high in deformation controllability and low in energy consumption.

The invention discloses thermal stimulation response hydrogel and a preparation method thereof, and belongs to the technical field of high polymer materials. The preparation method comprises the following steps: dissolving acryloyl valine, acrylamide, methylene bisacrylamide and a photoinitiator in an organic solvent, and defoaming to obtain a precursor solution; and S2, putting the precursor solution into a mold, carrying out ultraviolet light-induced curing, soaking the obtained hydrogel in an acid solution, replacing the organic solvent, and then carrying out heat treatment to obtain the thermal stimulation response hydrogel. Compared with other existing thermal response type hydrogel, the thermal response type hydrogel has the advantages that the fracture stress, the modulus, the tensile work and the like are remarkably improved in the order of magnitude level, and excellent comprehensive mechanical properties are shown. The thermally-induced hardening hydrogel developed by the invention has a wide application prospect in the field of engineering devices requiring higher modulus and requiring significant change of mechanical properties before and after heating.

The invention provides a 4D printing path planning method based on fiber orientation and layering sequence, and relates to the technical field of intelligent additive manufacturing, and the method comprises the following steps: designing a two-dimensional plane precursor model according to a target three-dimensional structure, and dividing a deformation area and a non-deformation area; differentiated printing paths and material layouts are planned for different areas, material anisotropy is programmed by setting the movement angle of a printing spray head, and the stacking sequence and the thickness proportion of material layers are controlled; a multi-material composite printing process is adopted, PLA is deposited in the deformation area, and PETG is deposited in the non-deformation area; and finally, applying thermal stimulation at 70-75 DEG C to the component, so that the component is autonomously deformed into a three-dimensional functional component from a two-dimensional plane. Structural integrated manufacturing is achieved, deformation is accurate and controllable, interface combination is reliable, and the light weight and assembly efficiency is remarkably improved.

The invention discloses high-toughness self-repairing polyurethane based on a ureido / disulfide bond dual dynamic network and a preparation method of the high-toughness self-repairing polyurethane, and belongs to the technical field of self-repairing high polymer materials. The structural formula of the thermal stimulation repairing polyurethane is shown in the specification. The polyurethane is formed by mixing and polycondensing polyether amine, diaminodiphenyl disulfide and dicyclohexylmethane diisocyanate. According to the invention, polyether amine is used as a raw material, green synthesis without a catalyst is realized, ureido generated by the reaction forms a hydrogen bond network with extremely strong dynamic property and cooperates with a disulfide bond, a repair process is completed at 50 DEG C, the toughness can reach 40.55 MJ / m < 3 >, the fast recovery capability is realized, the material can be stretched to be 20 times of the original length, and the service life of the material is prolonged. Good network dynamic property is achieved at the room temperature, and high self-repairing efficiency is achieved at the room temperature.

The invention discloses a large-driving-force liquid crystal elastomer composite artificial muscle belt and a manufacturing method and application thereof. The preparation method comprises the following steps: reacting a mixed reaction system containing a liquid crystal monomer, a chain extender, a cross-linking agent, a photoinitiator, a catalyst and a nano material to prepare a composite oligomer; and placing the composite oligomer in a mold, removing the solvent, and then carrying out stretching and cross-linking treatment to obtain the liquid crystal elastomer composite artificial muscle band with large driving force. The composite artificial muscle belt can achieve linear contraction under thermal stimulation, and large thrust can be generated in the recovery process; meanwhile, the composite artificial muscle belt can achieve large driving force output without being assembled by an artificial muscle fiber bundle, and the technical problem caused by the fact that a plurality of artificial muscle fiber bundles are assembled to achieve contraction force amplification is solved.

The invention provides a transfer printing seal for a photoresist nano structure, a manufacturing method and a curved surface photoetching method, and the transfer printing seal comprises the following components in percentage by mass: 40%-70% of N, N-dimethylacrylamide, 30%-60% of 4-hydroxybutyl acrylate, 0.5%-2% of polyethylene glycol diacrylate and 0.5%-2% of a photoinitiator. In the curved surface photoetching process, the transfer printing seal is heated to 90 DEG C and then is conformally attached to the upper surface of the photoresist nano-structure, and the high modulus of the transfer printing seal protects the photoresist nano-structure from being damaged and deformed; the surface of the curved surface is heated, the transfer printing seal with the photoresist nanostructure is heated to 90 DEG C and then is attached to the surface of the curved surface in a conformal mode, the transfer printing seal is slowly peeled off at a constant speed, the reversible high adhesion switching ratio and the high modulus switching ratio can be achieved under thermal stimulation, high-yield picking and releasing of the microstructure are achieved, the transferred microstructure can be protected in the transfer printing picking stage, and the yield of the microstructure is improved. And in the transfer printing release stage, the photoresist nano-structure can be fully attached and conformal with the curved surface, so that high-yield preparation of the photoresist nano-structure on the curved surface is realized.

The invention discloses a preparation method of traceable polyester staple fibers, which comprises the following steps: mixing a tracing raw material and a renewable synthetic fiber raw material, and carrying out melt spinning to obtain the traceable regenerated polyester staple fibers, the tracing raw material comprising at least two of cobalt Prussian blue analogues, germanate fluorescent materials and metal oxides. The invention also provides a traceable polyester staple fiber product prepared by the preparation method. According to the method, two color changes under thermal stimulation and solvent stimulation of primary-color polyester fibers can be achieved, meanwhile, the tracing germanate fluorescent particles and the metal oxide tracing particles are added to make up for the defect that color changes are difficult to recognize after the fibers are dyed, and meanwhile the tracing means is complicated, so that the fibers are difficult to counterfeit.

The invention discloses a wheel diameter adjustable trolley with sensing-deformation composite spokes and a control method. Each wheel of the trolley is composed of a wheel axle and a plurality of wheel spokes distributed in a circumferential array mode, and the wheel spokes are of a three-layer composite structure: a driving layer composed of a liquid crystal elastomer is responsible for generating deformation under thermal stimulation; the rigidity-variable layer formed by a rigidity-adjustable polymer realizes hardening locking through ultraviolet irradiation, and realizes reversible adjustment of rigidity through heating; the sensing layer is formed by a multi-walled carbon nanotube grid, can be integrally formed with the driving layer and is used for monitoring the wheel diameter change in real time; according to the control method, the trolley can be switched between the high obstacle crossing ability of the large wheel form and the high load stability of the small wheel form. According to the method, the motion performance under the complex terrain is remarkably improved, and the method has wide application prospects in the field of adaptive mobile robots.

The disclosure belongs to the field of MicroLED, and discloses a projection proximity mass transfer device. The device includes a support layer, a dynamic release layer and a adhesive foam layer. The support layer is a base layer; the dynamic release layer is arranged on the support layer. Under laser radiation, the dynamic release layer is ablated to generate ablation gas, thereby causing the dynamic release layer to generate blister; the adhesive foam layer is arranged on the dynamic release layer, and the foam layer is in contact with the MicroLED to be transferred. Under the action of thermal stimulation or laser, the foamed particles inside the adhesive foam layer expand, reducing the adhesion of the foam layer. Thereby, blisters with microstructures are formed at the interface between the stamp and the chip, thus realizing peeling of the MicroLED to be transferred.

The invention discloses a pulsed light hair removal system based on spectrum conversion and a control method thereof. The system comprises a pump light source module, a spectrum conversion module, an image acquisition module and a processor. The system provided by the invention has a pixel-level accurate control capability, the accuracy is greatly improved compared with the traditional IPL, and pixel-level energy self-adaption is realized, so that personalized treatment is supported. The system also supports sliding continuous irradiation, can greatly shorten the treatment time, has the advantages of high energy efficiency ratio, small invalid irradiation area, low pain feeling and the like, and can effectively reduce unnecessary thermal stimulation.

To give a temperature stimulus as intended by a service provider to a user without depending on the setting of the user himself / herself or the answer of the user to a question.SOLUTION: The controller 5 measures the temperature of the skin S using the temperature sensor 4 while controlling the temperature presentation unit 2 to provide a temperature stimulus to the skin S, and acquires, based on the measurement result, a first variation indicating the variation in the temperature of the skin S from the start of the temperature stimulus to a predetermined time and a second variation indicating the variation in the temperature of the skin S from the end of the temperature stimulus to a predetermined time. The acquired first and second amounts of change are input to a temperature stimulus adjustment model representing the relationship between the first and second amounts of change and the reaction time, which is the time required for the user to notice a change in temperature caused by a temperature stimulus, to estimate the reaction time of the user, and the intensity of the temperature stimulus provided by the temperature presentation unit 2 is controlled according to the estimated reaction time of the user.SELECTED DRAWING: Figure 1

The application discloses a radiation refrigeration coating with a recyclable function and a preparation method thereof, and belongs to the technical field of refrigeration coatings.The coating is composed of base oil 500SN, hollow silica microspheres (SiO2@APTES) modified by a silane coupling agent, a liquid metal-based crosslinking agent (GLM) composed of a self-prepared urea-based monomer (UM), cetyl methacrylate (CMA) modified liquid gallium (Ga), talcum powder, calcium carbonate, ethylene glycol butyl ether, polyacrylate, methyl ethyl ketone oxime and methyl methacrylate.The GLM crosslinking agent in the coating has a reversible thermal stimulation response, can reversibly perform phase conversion under thermal stimulation, and simultaneously endows the coating with recyclable performance.Meanwhile, the introduction of the SiO2@APTES realizes high reflection of sunlight and high emission of a medium and far infrared band, and guarantees excellent radiation refrigeration performance of the coating.

The invention relates to an application of a halophenol compound 2, 4 ', 5'-trihydroxy-5, 2 '-dibromo benzophenone in preparation of an analgesic drug. Experiments prove that the compound has a definite analgesic effect, can significantly inhibit mouse writhing reaction induced by acetic acid and II-phase inflammatory pain induced by formalin, and prolongs the thermal stimulation tail retraction incubation period, and the effect is superior to that of aspirin. Furthermore, in a nitroglycerin-induced migraine rat model, the compound can effectively improve behavioral symptoms and brain tissue pathological damage and remarkably regulate key index levels of CGRP, PGE2, ET-1, IL-1beta, IL-6, TNF-alpha, 5-HT and the like in plasma, which shows that the compound can be applied to preparation of analgesic drugs, preparation of drugs for treating migraine, preparation of drugs for treating migraine and the like. The invention particularly has important application value in medicines for preventing and / or treating migraine.

The invention relates to the field of soil mite classification, and discloses a soil mite extractor capable of autonomously detecting types and quantity, which comprises an extractor bracket, an extraction funnel, a crawling channel, an alcohol collecting vessel, an insect expelling lamp, a micro-object camera, an image processor and a display. During working, a collected soil sample is placed in the extraction funnel, and the mites are driven to move downwards and enter the crawling channel through light and thermal stimulation provided by the trapping light source located above the extraction funnel by utilizing the biological characteristics of light and heat resistance of the soil mites. The micro-object camera shoots mites passing through the channel in real time and transmits a video stream to the image processor. A trained image detection algorithm is built in the image processor, and the types and the number of mites in the video are automatically recognized. According to the method, the problem that time and labor need to be consumed for manual counting in traditional soil mite recognition is solved, automation and visualization of the extraction and statistical process are achieved, and the working efficiency is remarkably improved.

The invention relates to the technical field of polymer composite materials, in particular to a high-leveling-property rapid self-repairing coating which comprises a component A and a component B according to the mass ratio of (4-5): 1. The component A is prepared from the following components in parts by mass: 50 to 70 parts of hydroxyl-containing acrylic resin, 10 to 30 parts of hydroxyl-terminated polyurethane prepolymer with dynamic disulfide bonds, 0.1 to 1.0 part of flatting agent and 15 to 25 parts of solvent; the component B is an aliphatic polyisocyanate curing agent; the preparation method comprises the following steps: mixing the hydroxyl-containing acrylic resin, the hydroxyl-terminated polyurethane prepolymer with the dynamic disulfide bonds, the flatting agent and the solvent at room temperature under the protection of a dark inert gas, and stirring until the mixture is uniform and transparent; mixing the component A and the component B in proportion, and curing for 10-20 minutes. The dynamic disulfide bonds can generate reversible bond breaking and recombination under thermal stimulation, and when the paint film generates scratches, the disulfide bonds at the scratches are rearranged and connected through medium-temperature heating, so that the macroscopic scratches are driven to be closed, and self-repairing is realized.

The invention provides a carotid sinus stimulation-based blood pressure regulation method, a carotid sinus stimulation-based blood pressure regulation system and a medium, the real-time blood pressure of a target object and the real-time temperature of the environment where the target object is located are obtained, and when the real-time temperature is within a preset range and the real-time blood pressure is higher than a first threshold value, thermal stimulation is applied to the carotid sinus skin of the target object; if the reduction of the real-time blood pressure does not achieve the reduction effect, the application temperature of the thermal stimulation is increased until the reduction of the real-time blood pressure achieves the reduction effect, the thermal stimulation is terminated, and if the real-time blood pressure is changed from reduction to increase, the thermal stimulation is applied again; when the real-time temperature is within a preset range and the real-time blood pressure is lower than a second threshold value, cold stimulation is applied to the carotid sinus skin of the target object, if the rise of the real-time blood pressure does not achieve the rise effect, the application temperature of the cold stimulation is reduced until the rise of the real-time blood pressure achieves the rise effect, the cold stimulation is stopped, and if the real-time blood pressure is converted from rise to fall, the cold stimulation is stopped. Thermal stimulation is applied again, and self-adaptive regulation and control of sudden blood pressure fluctuation are achieved.

1. The name of the design product: electrode sheet. 2. The use of the design product: for sticking on the surface of human skin, stimulating the human body electric stimulation or heat stimulation physiotherapy. 3. The design points of the design product: the combination of the shape and pattern of the design product. 4. The picture or photo that best shows the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the rear views of designs 1-10 are the same, and the rear views of designs 2-10 are omitted.

1. The name of the design product: beauty instrument. 2. The use of the design product: the product is an oval beauty instrument. By supplying current or warm (or cold) from the inside of the main body to the metal plate, the metal plate can apply electric stimulation (EMS, iontophoresis effect) or thermal stimulation to the skin to achieve beauty purposes. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention discloses a bacillus rapid detection box containing a heating device, and relates to the technical field of microbiological detection, the bacillus rapid detection box comprises a box body with a chamber, a test strip is arranged in the chamber, the test strip is divided into a sample receiving part and a detection part, the detection part is sequentially coated with a first antibody and a second antibody along the length direction, and the first antibody and the second antibody are arranged in the chamber. A first antibody line and a second antibody line which are arranged along the width direction of the two coating parts are sequentially formed at the two coating parts; the heating device is used for heating the junction of the sample receiving part and the detection part. According to the invention, the heating device is integrated in the cavity of the detection box and is used for heating the junction of the sample receiving part and the detection part of the test strip, so that infectious microbes contained in a bacterial liquid can be removed to achieve a purification effect, and proper thermal stimulation can be provided in the flowing process of the bacterial liquid; the exposure of the antigen epitope of the bacillus is effectively promoted or the antigen-antibody reaction efficiency is enhanced, so that the detection sensitivity and the reaction speed are improved.

The present invention relates to a focused ultrasound acupoint health-care device comprising an ultrasound output module, a control module, a power supply module, and a human-machine interface module. The device delivers focused ultrasound precisely to a target acupoint, applying mechanical and thermal stimulation, and may automatically adjust output power and treatment duration based on user-specific parameters such as age, weight, height, and acupoint location. The device can be configured as handheld or wearable and may include interchangeable transducers. In certain embodiments, a temperature monitoring function is provided to stop output when the contact area temperature reaches a preset upper limit and resume output when it falls below a preset lower limit, thereby reducing burn risks. The invention is applicable for health care, relaxation, and enhancement of body functions through acupoint stimulation.

This invention discloses a low-cost thermally activated pressure-controlled development method and system for improving the recovery rate of shallow gas in offshore areas. It relates to the field of shallow gas development technology. The method includes: deploying horizontal heating and water injection channels at the bottom, lower part, or near the outer boundary of the shallow gas reservoir; transporting and injecting high-temperature seawater from the sea surface or near the sea surface into the bottom or lower reservoir layer; employing a slow depressurization and pressure window control method in the production well to maintain the reservoir pressure within a range higher than the gas pore connectivity disruption pressure but lower than the caprock breakthrough pressure; installing a variable-diameter sand-control production cylinder in the open-hole production section of the production well; and transporting the developed natural gas to a seabed natural gas hydrate formation shed or container, utilizing the low-temperature, high-pressure environment of the seabed to form natural gas hydrates, thereby achieving low-cost storage and transportation. This invention achieves shallow gas reservoir heating, dissolved gas desolvation, gas-water displacement, pressure control and stable production, and efficient sand control with low energy consumption, thereby improving the recovery rate and economic efficiency of shallow gas development in offshore areas.

The present invention provides a melanin phagocytosis inhibitor and a topical skin whitening agent that can produce a whitening effect by suppressing the phagocytosis of melanin by keratinocytes caused by thermal stimulation. [Solution] A melanin phagocytosis inhibitor containing a plant extract of the Commelinaceae family, for suppressing the phagocytosis of melanin by keratinocytes caused by thermal stimulation.

The invention discloses an automobile air outlet with a self-healing function, which comprises an air outlet panel, a shell, upper blades and lower blades, the shell is connected to the air outlet panel, a plurality of upper blades are arranged in the shell, the upper blades are connected with the lower blades, the lower blades are positioned below the upper blades, and the upper blades are connected with the lower blades. The lower blades are rotationally connected to the inner wall of the shell, the lower blades are connected through first synchronous connecting rods, the air outlet panel, the shell, the upper blades and the lower blades are all provided with self-healing repairing layers, and the self-healing repairing layers are carbon nano tube-polyurethane elastomer composite layers. Compared with the prior art, the air outlet is coated with the carbon nano tube-polyurethane elastomer composite layer, self-repairing can be achieved through thermal stimulation or electrical stimulation, repairing of scratches can be achieved without disassembling the air outlet, and the purpose of convenient maintenance is achieved.

The invention relates to the technical field of artificial synapses, in particular to a composite artificial synapse which comprises a core functional layer, the core functional layer is a composite material layer, and the composite material layer is formed by mixing a SrAl2O4-based long afterglow material and a NaYF4-based up-conversion material; eu < 2 + > and Dy < 3 + > are doped in the SrAl2O4-based long afterglow material; yb < 3 + > and Tm < 3 + > are doped in the NaYF4-based up-conversion material; under excitation of near-infrared light, the NaYF4-based up-conversion material transmits energy to the SrAl2O4-based long-afterglow material through up-conversion luminescence, so that the SrAl2O4-based long-afterglow material generates long-afterglow luminescence, and a synaptic function is realized; through thermal stimulation, the release process of defect trap electrons in the SrAl2O4-based long afterglow material is regulated and controlled, and thermally induced synaptic plasticity is realized. According to the invention, SrAl2O4: Eu < 2 + >, Dy < 3 + > and NaYF4: Yb < 3 + >, Tm < 3 + > are coupled, so that long afterglow luminescence (LPL) of near-infrared triggering and thermal regulation is realized, and information encryption, handwritten number recognition and mechanical arm gesture control are realized by artificial synapses based on photo-thermal synergistic stimulation.

The invention provides a trap level measurement method considering temperature rise rate thermal stimulation current, and belongs to the technical field of insulating materials. ET is calculated according to the change relation of the peak temperature Tm along with the heating rate beta. The TSDC curve often has overlapped peaks, the parameter of a single peak is difficult to accurately extract in the TSDC curve with a single heating rate, and the method of changing beta can effectively distinguish the peaks in different dynamic processes by tracking the change track of Tm of each peak along with beta, so that respective ET is calculated respectively. According to the method, the dependence on the current peak shape is remarkably reduced, the identification and analysis capability of overlapped peaks is improved, and whether the relaxation process has single activation energy or not can be judged, so that more reliable and more accurate characterization of the trap energy level is realized.

The invention discloses a scratch-resistant film as well as a preparation method and application thereof, and belongs to the technical field of automobile protection materials. The film adopts a multi-layer composite structure and comprises a scratch-resistant coating, a first base material layer, an adhesive layer and a second base material layer from top to bottom. Wherein the scratch-resistant coating is formed by coating the surface of the first base material layer with a coating composition consisting of polyurethane acrylate, nano silicon dioxide, a photoinitiator and the balance of a solvent in specific parts by weight through a gravure coating process and then curing through ultraviolet irradiation with specific parameters. The first base material layer is preferably a thermoplastic polyurethane film, the second base material layer is preferably a polyethylene glycol terephthalate film, and the adhesive layer is an acrylic acid pressure-sensitive adhesive layer. The surface of the film has high hardness and good flexibility, not only has excellent scratch resistance, but also can realize scratch self-repairing under thermal stimulation, and shows excellent weather resistance and yellowing resistance at the same time. The scratch-resistant film is particularly suitable for manufacturing automobile paint surface protective films and automobile windshield solar films.

Provided are a blood flow sensor, a blood flow measurement device, a blood flow measurement method, a device provided with a blood flow sensor, and a composite sensor, which are capable of measuring blood flow with high precision, high accuracy, and high-speed responsiveness. A blood flow sensor (1) that estimates the skin blood flow velocity of a living body on the basis of the skin thermal conductivity of the living body and the skin surface temperature difference of the living body, the blood flow sensor (1) being provided with: an insulating flexible substrate (5) that can be attached to the skin surface of the living body; a conductive wiring pattern (51) formed on the flexible substrate (5); a substantially annular thermal stimulation generation unit (2) that heats or cools the skin surface of the living body; a central thin film thermistor (3) disposed in the center of the thermal stimulus generating unit (2); and at least two peripheral thin-film thermistors (4) disposed at positions at a predetermined distance from the peripheral edge of the thermal stimulus generating unit (2), the at least two peripheral thin-film thermistors (4) being disposed on a straight line passing through the center of the central thin-film thermistor (3).

The invention discloses a double-component collaborative magnetic response liquid reaction device as well as a preparation method and a use method thereof, and belongs to the technical field of micro-reaction and magnetic drive control. The device is composed of a magnetic super-hydrophobic assembly and a magnetic transparent assembly which are PDMS films containing directionally arranged carbonyl iron powder and are provided with crease structures. Through magnetic control driving, the two assemblies can be attached and self-assembled to form a closed micro-reactor. Wherein the super-hydrophobic component is high in iron powder content and has strong magnetic responsiveness and photo-thermal performance; the transparent assembly is low in iron powder content, and high light transmission is kept. Through the function cooperation of the heterogeneous double components, the problems of reagent pollution, droplet evaporation, single function and strong substrate dependence in the traditional magnetic control droplet technology are effectively solved, and multiple functions such as pollution-free control of droplets, anti-evaporation packaging, internal process optical observation, remote thermal stimulation and the like are realized; and an innovative platform is provided for integrated micro experiments.