2585results about How to "Does not affect aesthetics" patented technology

The invention discloses a mobile terminal and an input control method for a touch panel. The method comprises the following steps of: according to the selection of a user, displaying a designated input control on the touch panel; sensing the distance between the control and a foreign object, and amplifying or highlighting a display image of the control when the distance close to the control is smaller than or equal to a preset threshold value is judged; and executing corresponding operation according to the touch selection of the user on the amplified or highlighted control. By using the method, at the moment when a finger is close to the touch panel, a virtual key area, an application icon, a menu or a project pointed by the finger is amplified to enlarge the area of a character, the application icon, the menu or the project in the area pointed by the finger so as to facilitate the selection of the user, ensure the accuracy, greatly improve the speed of inputting characters, keep the attractiveness of a user interface (UI) and reduce the loss of the touch panel at the same time.

The invention discloses a method, a device and a system for adjusting driving modes and a vehicle. The method includes receiving a voice instruction; querying feature databases; determining parameter information of the driving modes on the basis of to-be-confirmed voiceprint features; acquiring the voice instruction and acquiring the parameter information of the driving modes in driving procedures. The method, the device, the system and the vehicle have the advantages that the vehicle can be adjusted to be in the most familiar and habitual driving modes by the aid of the single voice instruction, and accordingly users can be positioned in habitual driving environments without manually adjusting the parameter information of the driving modes; the parameter information of the driving modes of the users can be automatically acquired in the vehicle driving procedures of the users without being manually set by the users, the tedious properties of user operation can be prevented, specific physical buttons can be omitted, and influence on the aesthetics of internal environments of the vehicle can be prevented; the quantity of the parameter information of the driving modes of the users is unlimited for the same vehicle, and the personalized driving modes of the various users can be implemented.

The invention discloses a PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and a preparation method thereof. The functional PVB film comprises cesium tungsten bronze, antimony indium oxide, indium tin oxide, titanium dioxide, nano carbon spheres, zirconium carbide, PVB resin powder, a plasticizer, a trace improver and the like. The preparation method comprises the following steps: dispersing the cesium tungsten bronze composite nanoparticles with a solvent, adding the plasticizer, stirring uniformly, adding the PVB resin powder and trace improver, thoroughly mixing, and carrying out film formation on the mixture by running to obtain the heat-insulation ultraviolet-resistant PVB film. The ultraviolet rejection ratio of the PVB film is greater than 99.0%, the visible light transmittance is adjustable within the range of 60-85%, and the infrared rejection ratio is up to 80-99%; and the PVB film can be directly used for producing heat-insulation infrared / ultraviolet-resistant safety laminated glass, can be widely used in architectural curtain walls, doors / windows, zeniths, automobile windshields and the like, and is a novel energy-saving film material.

The present invention is wearable physical sign detector, physical sign telemetering and warning system and method. The system includes a physical sign detector, an analysis and judgment base station and an emergency treatment device. The physical sign detector sends detected physical sign information to the analysis and judgment base station in radio or wired mode. In case of emergency, the analysis and judgment base station sends first-aid signal and the detected physical sign information to the emergency treatment device automatically in radio or wired mode. The present invention senses PPG signal from the ear of the wearer of the physical sign detector, and has raised comfort deg and decreased sports pseudo image interference. The present invention may join to automatic emergency alarm service system for sending emergency calling to the emergency aid center and transmitting physical sign information.

The invention discloses atmospheric particulate online monitoring equipment based on a taxi toplight and belongs to the technical field of environmental monitoring. The atmospheric particulate online monitoring equipment comprises a monitoring module, a master control module, a communication module, a positioning module, the taxi toplight and a power supply module, wherein the taxi toplight is fixed at the top of the taxi, and internal electric equipment of the taxi toplight is powered by the power supply module; the monitoring module comprises a PM2.5 sensor, a PM10 sensor and a PM100 sensor, and air inlets of the sensors are connected with one ends of air distribution valves fixed in the taxi toplight through air inlet hoses; the master control module is electrically connected with the other modules; the positioning module is used for positioning the taxi; the communication module is used for realizing connection between equipment under test and the online monitoring system. The equipment utilizes the taxi to carry the particulate sensors to execute measurement in real time, so that the mounting cost of gridding equipment is reduced, maintenance cost is reduced, and data accuracy is improved.

The invention relates to an assembled reinforced-concrete framework beam-column joint adopting vertical bolt connection. The joint comprises a corbel of a precast column and a precast beam, wherein the end face of the corbel and the end face of the precast beam are respectively provided with a concave groove and a convex block which are matched with each other and are respectively provided with a vertical corbel bolt hole and a vertical precast beam bolt hole; and the corbel is matched with the precast beam along the length direction of the precast beam in an embedded fixing manner, bolt cushion plates are arranged at the upper and lower sides of the corbel and the precast beam after the corbel and the precast beam are fixed in an embedding manner, and a bolt vertically penetrates through the bolt cushion plates, the corbel bolt hole and the precast beam bolt hole so as to carry out fixing. A corresponding construction method comprises the steps of precasting, mounting and filling mortar in gaps. The joint and the corresponding construction method have the advantages that the smoothness of force transmission between the precast beam and the precast column is achieved, the joint is reliable in connection and simple in structure, the construction process is simplified, the on-site assembling time is saved, and the production efficiency can be effectively increased.

The invention discloses a telescopic device for absorbing collision energy of railway vehicle. The telescopic device comprises two mechanisms which function independently and are respectively mounted on the two sides of a vehicle end part, wherein each mechanism comprises an anti-crawling tooth, a circular energy-absorbing tube, pull rings, cutters, cutter fixing blocks, a mounting base, a cutter base, a guiding cylinder, a double-acting cylinder, a base, bolts, a torsion spring, a dowel, locating grooves, a double-acting electromagnetic valve, a controller and an air storage tank. The telescopic device is characterized in that when the device is in a non-working state, each double-acting cylinder is in a tension state and pulls the corresponding circular energy-absorbing tube to retract inside the corresponding guiding cylinder; each cutter is pressed on the outer wall of the corresponding circular energy-absorbing tube; before trains collide, each double-acting cylinder pushes the corresponding circular energy-absorbing tube to be ejected out under the action of high pressure air; each cutter is pressed on the corresponding locating groove of the corresponding circular energy-absorbing tube under the action of the force of the corresponding spring; when each circular energy-absorbing tube retracts towards the interior of the corresponding guiding cylinder under the action of external force, a cutter cutting type energy absorbing structure absorbs energy; and if the circular energy-absorbing tubes are not hit after stretching out, each circular energy-absorbing tube is separated from the corresponding cutters through pulling the corresponding cutters or jacking up the cutter heads through the corresponding cylinder under the corresponding cutters, and each double-acting cylinder pulls the corresponding circular energy-absorbing tube into the corresponding guiding cylinder.

The embodiment of the invention discloses a method for giving a prompt for the content information on a user interface, which comprises: determining the content information a user selected on the user interface of a terminal, wherein the content information comprises icon button information and / or text information; searching a preset voice prompt library for voice prompt information corresponding to the content information; and playing the voice prompt information. The embodiment of the invention also discloses a device for giving the prompt for the content information on the user interface. When the method and the device are adopted, the user can be reminded of the functions and meanings of the icon button and text information and other content information the user selected on the user interface in form of voice, the problem that text prompt influences the operation and browsing of the user is solved, and it is convenient for some people with weak eyesight or the blind to know the meanings and functions of the corresponding icon button or texts clearly.

The invention provides a product personalized customization display system achieved through the Internet and two-dimensional codes and belongs to the field of two-dimensional code customization platforms. The product personalized customization display system achieved through the Internet and the two-dimensional codes comprises two-dimensional code labels and an information platform, and a gift recipient can know information wanted to be expressed and completely understand the gift giving intention through the information platform by using a terminal device capable of scanning the two-dimensional codes and a server carrying the information platform.

The invention discloses a video target area shielding method and a video target area shielding device. The video target area shielding method comprises the steps of: determining a target area and a target feature in the target area in a video image through analyzing the video image; tracking the video image according to the target feature, and determining a position of the target feature in the video image; performing machine learning on the target area based on the target feature, and determining an area replacement image matched with the target area in a preconfigured area replacement image database; and placing the area replacement image in the target area by adopting a seamless splicing technique, so that the area replacement image and a background image of the target area are spliced in a seamless manner. According to the video target area shielding method and the video target area shielding device, the target area is determined through analyzing and tracking the video image, the area replacement image matched with the target area is determined by adopting a machine learning method, and the area replacement image is placed in the target area by adopting the seamless splicing technique, so that the processed image is connected and fused with the background image of the video without affecting the esthetic appearance.

The invention discloses a high-solid-content aqueous adhesive for shoes and a preparation method thereof. The aqueous adhesive is prepared from an aqueous resin and a deionized water-emulsified polyurethane prepolymer, wherein the polyurethane prepolymer is synthesized from isocyanate, polylol, a hydrophilic chain extender, a crosslinking agent and a neutralizing agent. The preparation method comprises the following steps of: preparing a polyurethane prepolymer through pre-polymerizing and neutralizing processes; and preparing the aqueous adhesive for a high-solid-content shoe by using an aqueous resin in cooperation with deionized water emulsification. The aqueous adhesive for shoes disclosed by the invention has the advantages of high solid content, low cost, excellent performance and the like.

Disclosed a water-proof dust-proof power distribution cabinet comprises a cabinet, and an axial axialflown fan. Wherein, the two sides of cabinet both utilize the upper-lower division interlayer structure; the air inlet is arranged on the inner wall of lower separated layer and the air outlet is arranged on the inner wall of upper separated layer while the upper and lower separated layers are both covered water-proof clapboard with Persian blinds; and the position of air outlet and air inlet are individually relative to its Persian blinds to form upper-lower differential height. And an intelligent temperature-humidity controller and a heater are arranged in the cabinet while a replace slot of dust filtration net is arranged over the air outlet and the air inlet for replacing the dust filtration net more easily. The invention also arranges a internal air channel on the two sides of power distribution cabinet while the air inlet and the air outlet both have the dual-water-proof measure and the dust filtration net is arranged to solve the problem of aeration and protection. In addition, the intelligent temperature-humidity controller can detect and control the temperature and humidity to prevent the effect on the appliance elements caused by the dew generated by over lower temperature and the higher temperature.

The present invention relates to safety monitoring system, and is flexibility monitoring method for large span bridge structure. Whole bridge pressure field is first established with water tanks set in the unchanged location, water pipes set horizontally and city water supply system to lead water pressure to deformation location of the bridge; and the pressure transducer is fixed to the measured part. The pressure change is converted into flexibility change and monitored with the computerized monitoring system, which consists of water tank, water pipes, pressure transducer, A / D converter, computer, etc. The present invention has high measurement stability, great measurement range, low measurement cost and high practical value.

The embodiment of the invention provides a method and device for detecting driving behavior information based on an OBD (on-board diagnostic) terminal. The OBD terminal integrates a triaxial accelerometer; the triaxial accelerometer is used for measuring one group of or multiple groups of triaxial accelerated speeds; the method comprises the following steps: calculating the one group of or multiple groups of triaxial accelerated speeds as one group of or multiple groups of actual accelerated speeds; sequentially adopting the one group of or multiple groups of actual accelerated speeds to perform direction calibration, and working out one group of or multiple groups of direction vectors and a group of or multiple groups of turning vectors; judging whether the ratio of the direction vectors to the turning vectors exceeds a preset threshold so as to determine the corresponding driving behavior information. According to the invention, the driving behavior can be detected in real time, and the detecting accuracy can be improved; in addition, the installation of the OBD terminal does not affect the attractive appearance and the manipulation of a vehicle by a driver, so that the OBD terminal is plug-and-play, the OBD terminal application is simplified, initialization positioning is reduced or avoided, and the user experience is further improved.

The invention relates to a variable thermal resistance based thermoregulation garment, which includes a garment material layer, a flexible semiconductor thermoelectricity array, a garment lining layer, a converter, an adjustable load, a controller and an external power supply adapting piece, wherein the flexible semiconductor thermoelectricity array is placed between the garment material layer and the garment lining layer; the flexible semiconductor thermoelectricity array is connected with the adjustable load through the converter, or is sequentially connected with the controller and the external power supply adapting piece through the converter; the converter is used for switching the connection relation. The thermoregulation garment is convenient and quick in thermoregulation, is well-adapted to thermoregulation, causes no energy waste as temperature variation within a certain range is based on the thermal resistance change of the garment, and realizes the extreme temperature through the heating and refrigeration via the semiconductor thermo-electric effect when electric power supply is adopted, cannot influence the wearing and attractiveness in appearance as a micro-nano flexible element is adopted, can be produced in a large-scale and industrialized manner, and has excellent market prospect.

The present invention relates to an energy-saving window or door with bidirectional heat-preserving air change and air purification functions. The energy-saving window or door can realize bidirectional heat-preserving air change when being closed, not only discharging the polluted indoor air but also bringing the purified outdoor air into the room, and moreover, in the process of air change, an air heat exchanger arranged in a window frame or a door frame can carry out the sufficient redemption of heat and humidity between the indoor air and the air brought in from the outside in order to ensure that the indoor temperature and humidity cannot be changed. In addition, if flu or SARS is rampant, the energy-saving window or door can be switched from the bidirectional air change mode to an indoor air circulation mode, the indoor air circulation mode utilizes titan apatite and luminous optic semiconductor catalyzer loaded in a photocatalytic sterilization unit arranged in a third air chute to actively and dynamically sterilize and purify the indoor air, the sterilization rate can reach 99.9 percent, and thereby, the health of the human body can be protected. Furthermore, the energy-saving window or door can use the power provided by a photovoltaic cell, thus realizing energy saving and emission reduction.

The invention relates to the technical field of the communication, and discloses an antenna system and a mobile terminal. The antenna system comprises at least one antenna group. Each antenna group comprises a first antenna and a second antenna. The first antenna is formed on a metal frame, and comprises a first gap installed on the metal frame and a second gap communicated with the first gap. Thefirst gap is extended along a circumferential direction of the metal frame, and the second gap is extended along a direction perpendicular to the first gap, so that the metal frame positioned at theedge of the first gap is divided to a first branch and a second branch. The second antenna is formed on a metallized pattern layer alternately installed with the metal frame. The metallized pattern layer is positioned in a space, away from one side of the metal frame, of a circuit board. In the antenna system, the mobile terminal is additionally provided with at least one antenna group on the original basis, the mobile terminal can be guaranteed to satisfy the mobile communication requirements of 5G and the data transmission requirements, and the good isolation and correlation of the antenna are guaranteed.

The invention relates to a caulking device, in particular to a tile base plate caulking device for house decoration. Against the technical problems to be solved, the invention provides the tile base plate caulking device for house decoration, which saves time and labor, can remove impurities in gaps, can also remove overflowing caulking adhesive without affecting attractiveness of tiles and can also make the caulking adhesive dried more quickly. In order to solve the technical problem, the invention provides the tile base plate caulking device for house decoration, which includes a base plateand the like. Vertical rods are mounted on the left side and the right side of the top of the base plate, wheels are rotatably mounted at the bottom ends of the vertical rods, a pushing hand is mounted on the left side of the top of the base plate, the right side of the bottom of the base plate is provided with a guide device, the guide device is located on the left side of the vertical rod on theright side, and the middle of the top of the base plate is provided with an adhesive-spraying device. According to the tile base plate caulking device for house decoration, through a leveling device,not only can the caulking adhesive be leveled, but also the overflowing caulking adhesive be removed. A drying device can dry the caulking adhesive to achieve effects of time saving and labor saving.

The invention discloses a variable-freedom-degree modular mechanical arm. According to the variable-freedom-degree modular mechanical arm, the modular design idea is introduced into the design of light mechanical arms, and modular mechanical arms with different freedom degrees can be obtained through splicing by means of multiple modular mechanical arm joints. The variable-freedom-degree modular mechanical arm comprises an output flange shaft, a harmonic reducer, a hollow shaft motor, a brake device and a double-weight disc positioning mechanism, wherein the output flange shaft is composed of an output flange and an output shaft, and the output shaft is sleeved with the harmonic reducer, the hollow shaft motor, the brake device and the double-weight disc positioning mechanism. The harmonic reducer is fixed to the output flange and is also fixed to a hollow shaft of the hollow shaft motor. The hollow shaft drives the output flange to rotate after rotating to be decelerated through the harmonic reducer. The brake device is used for conducting emergency brake when an emergency occurs. The double-weight disc positioning mechanism is used for obtaining the speed information of the hollow shaft and the position information of the output shaft. All the components are controlled through a servo driving circuit. The variable-freedom-degree modular mechanical arm has the advantages of being higher in environmental adaptability and high in functional expandability, flexibility and adaptability.

The invention discloses tile bonding and pointing integrated mortar, which is prepared by subjecting 400 parts by weight of cement, 300 parts by weight of quartz sand, 100 parts by weight of Shuangfei Powder, 25 parts by weight of sodium bentonite, 5 parts by weight of cellulose ether, 15 parts by weight of dispersible latex powder, 2 parts by weight of a water repellent, 40 parts by weight of silicon powder, 3 parts by weight of a thixotropic lubricant, 10 parts by weight of an early strength, and a pigment metered according to a client demand to uniform stirring in a stirrer. The construction process of the tile bonding and pointing integrated mortar comprises: stirring water and cement in a water cement ratio of 0.25 in a stirring bucket into paste with a portable electric mixer, applying the pasty tile glue to the back side of a tile and filling it to the full with a spatula, conducting tiling, tearing off paper after 20min, carrying out pointing with a special circle tool in linewith the size of a tile joint, doing cleaning with a sponge, and cleaning the tile with clear water after 120min. With the mortar of the invention, tile bonding and pointing can be completed in one time. With various colors, the mortar of the invention maintains the color consistency between the underlayer and joints, thus having no influence on appearance. Also, the technology of full applying for pointing can be omitted, and cleaning becomes convenient. Thus, all procedures can be finished at one go.

The invention belongs to the technical field of daily necessities, relates to a street lamp, in particular to a street lamp automatic rainwater collecting intelligent irrigation system. The street lamp automatic rainwater collecting intelligent irrigation system comprises a rainwater collecting system and a rainwater storage irrigation system; the rainwater collecting system comprises a rain sensing device, a collecting device and a built-in water tube, wherein the rain sensing device and the collecting device are arranged at the top of the street lamp, and the built-in water tube is arranged inside a street lamp rod. The rainwater storage irrigation system comprises a water storage box embedded into the ground; the water storage box is connected with a water outlet guide pipe through a water pump; and the water outlet guide pipe is connected with an irrigation device. A master controller is installed at the top of the water storage box; a GSM control module is arranged inside the master controller; a light temperature and humidity monitor is arranged at an outlet of the irrigation device; and an electromagnetic relay switch is arranged at an outlet of a pipe of the irrigation device. The street lamp automatic rainwater collecting intelligent irrigation system has the beneficial effects that control is convenient; intelligent irrigation is achieved; irrigation of green belts on the two sides of a road can be effectively achieved; the manpower resource can be saved; and operation is convenient.

The invention relates to a double-sided adhesive tape, and specifically relates to the double-sided adhesive tape used for a solar cell assembly and a preparation method thereof. The double-sided adhesive tape comprises a substrate, an adhesive, a backlining and backlining glue, wherein the adhesive mainly comprises the following components of, by weight, 0.5-1 part of ammonium sulfate, 5-10 parts of methyl methacrylate, 55-65 parts of butyl acrylate, 20-30 parts of hydroxymethyl acrylamide, 1-2 parts of a composite emulsifier, 60-70 parts of a tackifying resin, 0.2-0.8 part of acrylic acid, 1-2 parts of hydroethyl methacrylate, 1-1.5 parts of 2-acrylamide-2-methylpro panesulfonic acid and 1-3 parts of 3-(methacryloxy)propyltrimethoxysilane. The preparation method comprises the steps of firstly pre-preparing a high-strength organosilicone and acrylate co-polymeric emulsion pressure-sensitive adhesive; and then performing operations of double roll reverse coating, drying, compositing, transferring and the like with a B-50 multifunctional coating machine, wherein both the font side and the back side of the backlining of the substrate are already coated by a layer of low-adhesivity backlining glue.

The invention relates to a waxberry fruit jelly, comprising fruit jelly material liquid and arbutus in syrup embedded in the fruit jelly material liquid; the arbutus in syrup is soaked in white sugar liquid with the sugar degree of 21-23 degrees; the fruit jelly material liquid comprises the following materials according to ratio by mass and white granulated sugar, citric acid, proper amount of sweetener, proper amount of antiseptic agent and water: 15%-30% of waxberry juice, 0.6%-1.2% of fruit jelly power, 10%-15% of high fructose corn syrup, 0.003%-0.006% of sodium citrate, proper amount ofwhite granulated sugar so that the sugar degree of the fruit jelly material liquid is 15.0-18.0 degrees, proper amount of citric acid so that the total acidity of the fruit jelly material liquid is 3.5-5.0 g / L, and the balance of water. The preparation method comprises the following steps: A, weighing and mixing materials; B, adding white granulated sugar to adjust the sugar degree of material liquid; C, filling and packing; D, bactericidal standing.

The invention discloses a film coating agent for wound surface treatment and a preparation method of the film coating agent. The film coating agent comprises chitosan, a film-forming material, a plasticizer and a solvent, wherein the plasticizer is glycerin with the amount accounting for 2-15% of the total weight of the film coating agent. The film coating agent has the advantages that the film coating agent is better in antibacterial effect, more convenient to use and better in waterproofness, is not limited by shapes and sizes of skin wound surfaces, does not affect normal limb movement and the like.

The invention discloses an air conditioning system startup and shutdown control device based on an indoor heat comfort state and a control method. The device comprises an indoor data acquisition device, an outdoor data acquisition device, a computation controller and an electric valve. The indoor data acquisition device and the outdoor data acquisition device respectively comprise a temperature sensor, a humidity sensor, a black-bulb temperature sensor and a wind speed sensor, are respectively connected with a data inlet end of the computation controller, and form linkage control together with the electric valve. The computation controller is loaded with an adaptive predicted mean vote computation and comparison program. The electric valve is connected with the computation controller through a data connecting line and is connected with an original air condition system control box through a conducting wire. The control method of the device disclosed by the invention comprises the steps of comparing with an adaptive predicted mean vote obtained by the computation controller, giving out, by the computation controller, an action instruction to the electric valve, and then controlling the startup and shutdown of an indoor air conditioning system and the turning-on and turning-off of the indoor data acquisition device and the outdoor data acquisition device.

The invention discloses a multifunctional door or a window with the functions of insulation, ventilation and purification, which can self-realize two-way ventilation in the closed state, namely discharge the indoor contaminated air out of a room and at the same time introduce purified air into the room. During the air exchanging process, the indoor air can fully carry out latent heat and sensible heat exchanges with the introduced air through an air exchange device arranged in the window or door frame, thus guaranteeing that indoor temperature and humidity do not change. Moreover, when influenza or SARS is epidemic, the invention can switch the two-way ventilation mode to an indoor air circulation mode which uses titanium apatite loaded by the air purification device in a bypass air chute and a visual light semiconductor diode catalyst to dynamically and actively sterilize and purify the indoor air so that various viruses and bacteria in the indoor air can be removed to protect human health. In addition, the invention can use a photovoltaic cell to provide power, thus saving energy and reducing emission.

The invention relates to a log door leaf and its manufacturing method, solves the problem of the paint cracking caused by contraction or expansion of transom and closure plate of door, including three steps: produce transom and closure plate of door by wood; pain each of them wholly; pain binder on the linking part of then, making leaf. There is sew for contraction remained on each linking part of each transom and closure plate of door, even if contraction or expansion happens somewhere, it will only affect the width of the sew, no to the whole appearance; the linking part of each transom and closure plate of door is strengthened by transversal cork, making the leaf stabler.

The invention relates to a novel metal clamp bolt for paving composite material floors, relating to a connection part for paving composite material floors. The metal clamp bolt comprises a horizontal plane, wherein two U-shaped connection parts are perpendicularly arranged in the middle of the horizontal plane; both end parts of the U-shaped connection part are respectively extended with a section to form a hook; and an arc shape is formed on the extended hook. The metal clamp bolt also comprises composite material floors. The horizontal plane of the metal clamp bolt is positioned at the bottom of the composite material floor. The arc-shaped hook at one side is just inserted in a clamp slot of the composite material floor, and the arc-shaped hook at the opposite side is provided with another composite material floor. The floors are paved successively, and the continuous repeated operation is carried out. The invention has the advantages of simple structure and convenient operation. Moreover, when the metal clamp bolt is paved between adjacent composite material floors, a U-shaped cushion space is left, and the adjacent composite material floors cannot touch each other. When the composite material floors swell or shrink during being heated or cooled, and only the metal clamp bolt can be compressed. The product cannot be compressed, deformed or damaged, and the integral beautiful appearance cannot be influenced.

The invention discloses a phase change microcapsule and a preparation method thereof. The phase change microcapsule comprises an oil-phase component and a water-phase component and is prepared by a free radical emulsion polymerization method; the oil-phase component comprises an alkane phase change material, a hydrophobic monofunctional vinyl monomer, a hydrophilic monofunctional vinyl monomer, a hydrophobic bifunctional vinyl monomer and an oil-soluble initiator; the water-phase component comprises an emulsifier, a suspending agent and deionized water; and the method comprises the following steps: mixing the oil-phase component with the water-phase component, and stirring at a high speed to prepare a uniform emulsion; and heating and stirring the emulsion, centrifugally filtering and separating the emulsion, washing with hot ethanol, separating and drying to constant weight to obtain phase change microcapsule powder. According to the preparation method, the vinyl monomer is adopted as a shell layer; no formaldehyde is released in use procedure; the phase change microcapsule is prepared by the free radical emulsion polymerization method; the phase change microcapsule is simple to operate, short in production cycle and simple in preparation process, and can be put into industrial production easily; the production cost is reduced; the particle size of the prepared phase change microcapsule is smaller than 10 microns; and the application range of the phase change microcapsule is expanded.