190results about How to "Comfortable living environment" patented technology

The invention belongs to the technical field of smart home and discloses a home intelligent management system. The system comprises an old people home care indoor environment intelligent module, a community socialized service management intelligent module, an old people home care health management intelligent module, and a home care information service digital management platform. The system takesa computer cloud data center of community socialized service of old people home care as the core and old people's homes as service units; old people home care environment utilizes data collection anddata processing technology as system operation modules; the home care system design scheme integrates automatic control technology, security protection technology and audio / video technology, and canprovide better comprehensive services comprising service items of emergency assistance, information inquiry, telemedicine, community service, indoor homemaking service and the like for the old people;and the system has the advantages of wide application range, accuracy, operability and service comprehensiveness and the like, and can meet requirements of home-based care of the old people in an all-weather manner.

The invention discloses a modified self-insulating composite external wall material, and belongs to a gypsum building material. The material comprises the following components in percentage by weight: 75 to 84 percent of gel material, 0.2 to 1.5 percent of heat insulating material, 3 to 6 percent of modifying agent and 12 to 18 percent of water; the gel material consists of gypsum, fly ash, cement and lime, wherein the gypsum and the fly ash are in the majority; the heat insulating material is one or more of polyphenyl granules, rice hulls, straws, saw dust and expanded perlite; and the modifying agent is a common salt compound or a mixture of the common salt compound, aluminum powder and polyvinyl chloride (PVC) latex powder. The external wall material for manufacturing external wall building blocks or external wallboards by optimized proportion and modification treatment remarkably improves the comprehensive performance of water prevention, heat insulation, shock resistance and pressure resistance; and production and construction are convenient, the raw materials are easily obtained, industrial and agricultural byproducts are fully utilized, and environmentally-friendly and energy-saving requirements are met.

The invention discloses a method for cultivating ecological turtles in a rice field, relating to cultivating methods of turtles. The method is characterized by comprising the following steps of: selection of a rice field: selecting a parcel of the rice field which is convenient to nurse, has a good water source condition and is smooth in stream current and convenient in discharge and irrigation as a rice field for cultivating turtles; arrangement of an escape-preventing facility: constructing a bounding wall which is 50cm higher than the ground around the selected rice field by materials such as bricks, cement boards, wood boards and the like; ditching of turtle ditches: ditching turtle ditches in the rice field, or replacing the turtle ditches with strip ditches on edges of the rice field; putting of turtle fries: generally putting turtle fries which are more than 2 years old in the rice field, preferably putting 300-600 turtle fries in each mou of rice field, and additionally putting 50-60 parent turtles which are 6 years old in a ratio of female turtles to male turtles being 2:1 or 3:2 in each mou of rice field if young turtles need to be bred; feeding: feeding aquatic insects, tadpoles, little fishes, tubificidaes and the like to the young turtles as many as possible, and mainly feeding snails, little fishes, animal bodies, the internal organs of the animal bodies or vegetal fodders such as soybeans, corns and the like to adult turtles; and management of water quality: frequently filling fresh water and controlling a water level. By the invention, the growing and development of turtles in the rice field are fast; the rate of body weight gain is high; the turtles can loosen soil and catch pests for the rice field; and meanwhile, the cultivating of the turtles in the rice field is favorable for lowering production cost, improving economic benefit and achieving double benefits of cultivation of turtles in rice fields and coexistence of paddies and turtles.

The invention relates to a wood plastic material and particularly relates to a micro-foaming wood plastic composite sheet and a preparation method thereof. The method provided by the invention comprises the following steps: evenly mixing polyvinyl chloride, nano-montmorillonite, calcium carbonate powder, white oil, a heat stabilizer and mica powder are uniformly stirred; and then carrying out extruding pelletization to obtain modified plastic particles; and then uniformly stirring the modified plastic particles with wood meal, azobisformamide, a foaming regulator, chlorinated polyethylene andan ultraviolent absorbent, and performing extrusion and foaming formation to obtain the micro-foaming wood plastic sheet. The micro-foaming wood plastic sheet has high degree of mechanization and lowcost, is lower in density, less in plastic amount and more environmentally-friendly compared with plastic sheets, is lower in density and higher in impact strength compared with other wood plastic materials, is lower in weight and cost and more convenient in installation and maintenance compared with gypsum boards, aluminum pinch plates and the like, and also has an air purification function. Themicro-foaming wood plastic sheet can be manufactured into products, such as photo frames, picture frames, skirtings, hangers and pinch plates and the like, and is widely applied to plenty of occasions, such as halls, guest houses, small offices and the like.

The invention relates to a wood plastic composite material, in particular to a wood plastic composite plate capable of adsorbing toxic gas, and a preparation method thereof. The wood plastic composite plate is characterized by: adopting silane coupling agent modified wood flour as a raw material, mixing polyvinyl chloride, nano-magnesium oxide, active carbon and a heat stabilizer through stirringto obtain modified plastic particles; uniformly stirring the modified plastic particles, the modified wood flour, azobisformamide, a composite foaming agent, acrylic acid, chlorinated polyethylene and a ultraviolet absorber, followed by extruding, foaming and forming to obtain the wood plastic composite plate. The preparation method for the wood plastic composite plate is convenient. Compared to a common plastic plate, a gypsum board, a aluminum buckle plate and other wood plastic materials, the wood plastic composite plate provided by the present invention has characteristics of low density,light weight, high impact strength, low cost and toxic gas adsorbing, and can be made into a plurality of products such as photo frame, picture frame, ground pin line and the like, and can be widely applicable for a plurality of situations such as auditoriums and hotels, homes, office buildings, and the like.

The invention relates to an assessment test method and a device of a timber architecture room environment. The assessment test method includes that physical indexes of the timber architecture room environment and physiological indexes of a testee in the timber architecture room environment are synchronously tested, and physical index data and physiological index data are obtained, wherein the physical indexes include noise, lighting, a temperature and humidity, and the physiological indexes include electrocardio, a heart rate, respiration, a skin temperature, skin conductivity and surface myoelectricity of the testee; and statistic analysis is carried out on the physical index data and the physiological index data to obtain assessment test results. The invention further provides an assessment test device. According to the assessment test method, an assessment and / or comparation system of the timber architecture room environment is built, living environment, working environment and life quality of human beings are beneficially improved, and superiority of different kinds of timber architectures is beneficially and deeply developed.

The invention discloses an intelligent robot based on indoor environment sensing. The intelligent robot is composed of a personnel detecting module, an indoor environment detecting module, a management server and a display terminal. The management server is respectively connected with the personnel detecting module and the indoor environment detecting module and the display terminal are connected.According to the intelligent robot, a camera and a personnel infrared detector in the personnel detecting module are used for determining the number of people entering or going out of a room effectively so as to carry out statistics of the number of people in the room conveniently; with the personnel detecting module, the indoor environment detecting module, and the management server, household equipment is controlled effectively based on indoor personnel existence sensing and environmental parameters of each room; and thus energy sources are saved and the intelligent level is high, and thusa comfortable living environment is provided for the user.

The invention discloses a transparent nano-ATO thermal insulation coating for an exterior wall, which comprises the compositions in percentage by weight: 62.51 to 85.47 percent of polyurethane with the weight percent solid content of between 30 and 45 percent, 10.57 to 30.06 percent of ATO wet material with the weight percent solid content of between 10 and 30 percent, 3.41 to 5.46 percent of thickening agent WT-106, and 0.15 to 1.80 percent of conventional flatting agent. The invention also discloses a phase change heat storage microcapsule coating for an interior wall, which consists of 0.5 to 5 portions of phase change heat storage microcapsules and 3 to 20 portions of conventional adhesive, wherein the phase change heat storage microcapsules comprise the following compositions in percentage by weight: 400 to 800 portions of tridecyl alcohol, 0.5 to 15 portions of azodiisobutyronitrile, 1.2 to 15 portions of sorbitan monoglyceride, 80 to 230 portions of phenyl ethylene, and 50 to 150 portions of divinyl. The transparent nano-ATO thermal insulation coating can effectively solve the problem of thermal insulation of buildings.

The invention discloses an air cleaning door which comprises a door body 1, a door frame, hinges, an air cleaning device and a fan 8, wherein one side of the door body 1 is connected with the door frame through the hinges; a cavity 2 is formed inside the door body 1; the air cleaning device and the fan 8 are installed in the cavity 2; at least one air inlet 3 is formed in the front face of the door body 1; at least one air outlet 4 is formed in the back face of the door body 1; the air inlet 3 and the air outlet 4 are communicated with the cavity 2; the air cleaning device comprises a rough filtration layer 5, an activated carbon layer 6 and a high-density air filtering material layer 7; the rough filtration layer 5, the activated carbon layer 6 and the high-density air filtering material layer 7 are sequentially arranged between the air inlet 3 and the air outlet 4; the rough filtration layer is made of rough filtration paper; and the high-density air filtering material layer is formed by adopting an HEPA (high efficiency particulate air) filtrating screen. The air cleaning door can effectively solve the problems that existing air cleaning doors are poor in cleaning effect and cause loud noise.

The invention relates to the technical field of animal husbandry, and particularly relates to a Butterflybush flower duck green ecological breeding method. The Butterflybush flower duck green ecological breeding method specifically comprises the following steps: a duck-and-fish three-dimensional breeding platform is erected on the water, and by adding safe and original ecological Chinese medicine herb Butterflybush flowers, Caesalpinia minax Hance, gynostemma, and liquorice water boiled liquid into pollution-free feeds, disease prevention and cure can be carried out on ducks. Due to the facts that feed supplements are not used, use of antibiotics and veterinary drugs is avoided, output ducks are green products, duck meat can have slight Butterflybush flower flavor, and quality is improved greatly. Meanwhile, excrements discharged by the ducks are eaten by the fish fully. Due to the facts that the feed supplements are not used, the use of antibiotics and veterinary drugs is avoided, consequently water can be protected to the maximum, and the purpose of green ecological breeding can be achieved.

The invention relates to a lightweight plastic-wood composite sheet and a preparation method thereof. The preparation method comprises the following steps of: firstly stirring PVC particles and tribasic lead sulfate evenly in a stirred tank, and then adding wood flour, LDPE-g-GMA, hollow glass beads, chlorinated polyethylene, ethylene bisstearamide and hard fatty acid butyl ester to the tank, heating up and stirring evenly, cooling and taking out the mixture, and then stirring the mixture evenly with baking soda and citric acid at room temperature, extruding out and molding. The lightweight plastic-wood sheet has the advantages of convenient production and manufacture, high degree of mechanization in the production process, low production cost, low density, light weight, easy installation and maintenance, less use of timber and plastic, turning waste into treasure, being recyclable and not destroyed by insects, no aging and discoloration as well as cracking, no buckling deformation and high impact strength, with the function of adsorbing gas. The lightweight plastic-wood sheet can be applied to a plurality of occasions such as office buildings, hotels and home offices, can be made into products such as photo frames, picture frames, foot lines, and hoisting and fastening boards, and can also be used as suspended beams, pergolas, and the like.

The invention discloses a vibration-reducing and noise-reducing device for an elevator guiding track, comprising an elevator guiding track and a fixing board for fixing the guiding track; being characterized in that a flexible vibration-reducing device is provided between the guiding track and the wall body; the flexible vibration-reducing device is provided with a flexible vibration-reducing piece; the guiding track fixing board is directly connected to the vibration-reducing piece via a vibration-reducing supporting part; the flexible vibration-reducing piece is enveloped in a case; the vibration-reducing fixing case is fixed on the well wall body via the bolts. The invention reduces the vibration and noise via adding the flexible vibration-reducing device between the elevator guiding track and the wall; after the vibration of the guiding track is absorbed by the device, the vibration is delivered to the wall, which can completely solve the low frequency vibration noise caused by the guiding track vibration and giving the tenements a healthy and comfortable living environment.

The invention discloses an internet-based method for optimized monitoring of the living environment of old people. The internet-based method for optimized monitoring of the living environment of old people comprises the following steps: step one, collecting environmental information of the living environment of old people, and calculating a first environmental impact factor and a second environmental impact factor; step two, collecting the living area S of old people and the average age of old people; step three, normalizing and then inputting the environmental information and the living information of old people into a BP neural network model as an input layer; step four, carrying out optimized adjustment on the living environment of old people through training of the BP neural network model; and step five, inputting an optimized adjustment signal into a fuzzy controller to obtain an output vector group representing an optimized adjustment category, and outputting the output vector group as an adjusting answer. The living environment and the living information of old people are monitored, optimized adjustment and alarming are carried out when the environment changes, and optimizedmanagement of the living environment of old people is improved.

The invention provides a curtain cloth with a mosquito repellent effect. The curtain cloth with the mosquito repellent effect is composite shell fabric cloth. The shell fabric cloth comprises a surface layer, a middle layer and an inner layer, wherein the surface layer is a polyester fiber layer, the middle layer is a mosquito repellent fiber layer, the inner layer is a flax fiber layer, base materials of fiber strips which are in the middle layer and have the mosquito repellent effect are natural cotton strips, and quantitative spandex fiber is further blended inside the middle layer in a mixed mode. According to the curtain cloth with the mosquito repellent effect, material is selected in a reasonable mode, a scientific preparation method is utilized, the manufactured curtain cloth has the good mosquito repellent effect, and external mosquitoes and flies are effectively prevented from entering a room. Meanwhile, the curtain cloth with the mosquito repellent effect is scrape-resistant, bright in color, free of color fading and shrink-resistant. In addition, the curtain cloth with the mosquito repellent effect builds a comfortable daily life environment for people, and is particularly suitable for being used in summer.

The invention discloses a symbiotic ecological farming technology for paddy rice and soft-shelled turtles. The farming technology comprises the first step of selecting the paddy rice and the soft-shelled turtles, the second step of selecting and preparing a paddy field, the third step of planting paddy rice and stocking the soft-shelled turtles, the fourth step of performing feeding and management and the fifth step of harvesting paddy rice and catching the soft-shelled turtles. According to the symbiotic ecological farming technology for the paddy rice and the soft-shelled turtles, the soft-shelled turtles are farmed through a paddy field ecosystem, the paddy rice and the soft-shelled turtles grow together, the productive potential of the paddy rice field is fully tapped, the growth of the paddy rice is promoted through the soft-shelled turtles, the soft-shelled turtles are farmed through the paddy rice, the abundant harvest of both the paddy rice and the soft-shelled turtles is achieved, and economic benefits are increased.

The invention discloses an air purification system which comprises a controller, an air quality detection module A, an air humidity detection module A, an air quality detection module B, an air humidity detection module B, an air quality data display module, a display screen, an air inlet, an air compressor, a cleaning pipe, an electrostatic dust removal filtering layer, a deodorization filtering layer, an activated carbon filtering layer, an atomizer and a purified air outlet, wherein the air inlet, the air compressor, the cleaning pipe, the electrostatic dust removal filtering layer, the deodorization filtering layer, the activated carbon filtering layer, the atomizer and the purified air outlet are sequentially connected; the air quality detection module A, the air humidity detection module A, the air quality detection module B, the air humidity detection module B and the air quality data display module are all connected with the controller; the display screen is connected with the air quality data display module; the air quality detection module A is positioned at the air inlet; the air humidity detection module A is positioned at an air outlet of the activated carbon filtering layer; the air quality detection module B and the air humidity detection module B are connected with the air outlet of the atomizer. The air purification system has an automatic detection function, and is high in automation degree and purification efficiency.

The present invention relates to an adsorption and sound absorption structure, and preparation of a charcoal board-wood composite overlaid with a natural wood finish comprising the same, wherein a specific adsorption structure is provided to the wood material, which is a rear board and a surface board, so as to allow one surface or both surfaces of an activated carbon board or a charcoal board, a central board placed in a central layer of an activated carbon board-wood composite, to show adsorptive properties, thereby adsorbing the Radon gas escaping from a concrete wall or the base of a building onto the wall-side surface of the activated carbon board or the charcoal board through the control of a suitable minimum perforation rate and arrangement of the rear plate and the connection structure with a hidden wider adsorption chamber of the central board, and adsorbing various gases generated indoors onto the indoor-side surface of the activated carbon board through the structure of a wider adsorption chamber of the activated carbon board of the central board connected to the indoor-side surface using suitable line type grooving of the surface board while simultaneously enabling sound absorption.

The invention discloses environment-friendly fluorescent wallpaper with heat preservation and noise reduction functions. The wallpaper comprises a base layer and a pattern layer arranged on the base layer, and is characterized by further comprising an environmental protection material layer, an adhesive layer, a suede layer, a sand grain layer and a fluorescent layer, wherein the environmental protection material layer is arranged above the pattern layer, the adhesive layer is arranged above the environmental protection material layer, the suede layer is arranged above the adhesive layer, the sand grain layer is arranged above the suede layer, the fluorescent layer is arranged above the sand grain layer, the environmental protection material layer adopts one of pine twigs, weeds and dried fruit materials, the thickness of the fluorescent layer is 0.4 mm, the thickness of the sand grain layer is 0.2 mm, the thickness of the adhesive layer is 0.4 mm, the thickness of the suede layer is 0.3 mm, and the thickness of the base layer is 0.21 mm. The environment-friendly fluorescent wallpaper with the heat preservation and noise reduction functions has soft surface, comfortable suede feeling, good heat preservation effect, long service life and better glossiness, can absorb sound to reduce noise, can give out light at night and is beneficial to body health and indoor environment.

The invention discloses a yoga room air conditioner and a control method thereof. The current exercise picture body outlines of users in a yoga room are obtained and matched with the preset exercise outline, and the current sports event done by the users are determined; the number of the users is obtained according to images, and the final target air temperature is generated according to the sports event done by the users and the number of the users; and the air conditioner is controlled to run according to the final target air temperature, a more comfortable living environment can be obtained, and the experience feeling of the users is better.

The invention discloses an intelligent home security and protection system, and belongs to the technical field of Internet of Things and home security and protection. The intelligent home security and protection system comprises intelligent terminals, a master server, a intelligent gateway, an intelligent routing node, a control switch, a security and protection device and a plug seat; wherein the intelligent terminals comprises PADs, mobile phones and computers; the master server is connected and communicated with the intelligent terminals through the Internet; the intelligent gateway is connected and communicated with the master server; the intelligent routing node is connected and communicated with the intelligent gateway; the control switch is connected and communicated with the intelligent routing node; the security and protection device is electrically connected to the control switch; one end of the plug seat is connected to a power supply, while the other end is electrically connected to the security and protection device through wires. Through comprehensive protecting family property and personal security, the intelligent home security and protection system creates a fit and comfortable living condition.

The invention relates to wood-plastic composite materials, in particular to a nano modified wood-plastic composite plate and a preparation method thereof. The preparation method includes stirring polyvinyl chloride plastic particles, tribasic lead sulfate, nano kaolin, talcum powder, terpene resin, polyolefin elastomer, butyl stearate and oxidic polyethylene, then extruding and pelleting to obtain modified plastic particles; mechanically stirring and mixing the modified plastic particles, azodicarbonamide and wood powder again, and then melting, mixing, extruding and foaming by an extruder to obtain the nano modified wood-plastic composite plate. The nano modified wood-plastic composite plate is convenient to produce and manufacture, is high in mechanization degree and low in required labor during production and low in production cost, and further, is low in plastic usage, environment-friendly, low in density, excellent in impact resistance, long in service life and convenient to mount and maintain, has a certain function of air purifying, and can be widely applied to places such as high-end buildings, homes and offices.

The invention discloses an air conditioner control method. By acquiring the current distance between an air conditioner a user when the user uses a smart mobile terminal to send an air conditioner control command, the remaining time for the user to get home is calculated. According to comparison between the remaining time and a first preset time and according to the opening and closing state of doors and windows of a house of the user to control the operation of the air conditioner, a more comfortable living environment can be obtained, the user experience is better, and energy is saved.

The invention discloses an Internet of Things based intelligent dormitory system. The system comprises an MCU, a power supply module, a sensor module, an execution mechanism and a communication module. The power supply module is used for supplying power to the MCU; the power supply module, the sensor module, the execution mechanism and the communication module are all connected with the MCU; the sensor module comprises a humidity and temperature sensor, a rain sensor, an air quality sensor, a light sensor and a current transformer; the execution mechanism comprises an electric laundry rack, aventilation fan and a relay for controlling on and off of electric equipment; the MCU drives the electric laundry rack to automatically extend and retract through a motor; the ventilation fan is controlled by the MCU; the electric equipment includes at least one of a water dispenser, an electric cooker and an induction cooker. The Internet of Things based intelligent dormitory system is functionally versatile, easy to control and high in safety and reliability and has an antitheft function.

The invention provides a water system aldehyde catching agent capable of maintaining excellent aldehyde catching effect for a long time and construction material with aldehydes releasing inhibited. The principal components of the agent in the invention is adhesive of aldehyde condensative thermosetting resin; the construction material obtained by forming and solidifying has the adhesion of aldehyde catching agent which consists of the water based composition including polyamide, bisulfite and carbamide in 0.05-10g / m2 measured in solid state component relative to the surface area of the construction material.

The invention discloses a refrigerant circulating system. The refrigerant circulating system comprises a compressor (9), a condenser, an evaporator, a throttling device (15) and a four-way reversing valve; a pilot valve of the four-way reversing valve comprises a high-pressure pipeline A, a low pressure pipeline C, a first switching pipeline B and a second switching pipeline D; on the first station, the high pressure pipeline A is communicated with the second switching pipeline D, and the low pressure pipeline C is communicated with the first switching pipeline B; on the second station, the high pressure pipeline A is communicated with the first switching pipeline B, and the low pressure pipeline C is communicated with the second switching pipeline D; and a third station is further included, and at the third station, the high-pressure pipeline A is communicated with the first switching pipeline B and the low pressure pipeline C. By means of the system, the pressure of the high pressure side and the pressure of the low pressure side of the system can be fast balanced, the system is in a pressure equalization state, and therefore the purpose that high temperature refrigerants can be utilized to perform defrosting without switching the work states is achieved, the heating efficiency of the system is improved, and more comfortable living environment and office environment can be provided.

The present application provides an intelligent lighting control method based on the number of persons, which includes: counting the number of persons within the target area; dividing the target area into m detection sub-areas, and counting the number of the detection sub-areas where a person is present; selecting the lighting color of the indoor light fixture based on the number of persons within the target area; selecting the lighting mode of the indoor light fixture based on the number of the detection sub-areas where a person is present. The present application adjusts the lighting color, light display mode and illumination brightness of indoor light fixture by analyzing the number of persons within the target area and the degree of dispersion of indoor persons, thereby avoiding the trouble of switching light switch for users and improving the intelligence of the home lighting system, and greatly enhance the user experience, to provide users with a better quality, comfortable living environment.

The invention relates to a traditional Chinese medicine dreg composite material panel capable of slowly releasing traditional Chinese medicine flavor and a preparation method of the panel. The panel comprises a porous anti-aging surface layer, a slow-release middle layer and a mildew-proof bottom layer, wherein the slow-release middle layer is located between the porous anti-aging surface layer and the mildew-proof bottom layer; the porous anti-aging surface layer is prepared by the steps of mixing polyolefin plastic, a traditional Chinese medicine dreg, a foaming agent, an antioxidant, talcumpowder and chlorinated polyethylene, and carrying out extrusion and calendering; the slow-release middle layer is prepared by the steps of mixing polylactic acid, the polyolefin plastic, a flavoringagent, a plasticizer, acrylic acid grafted starch and the traditional Chinese medicine dreg, and carrying out extrusion and calendering; and the mildew-proof bottom layer is prepared by the steps of mixing the polyolefin plastic, the traditional Chinese medicine dreg, standard sand, a mildew-proof antibacterial agent and maleic anhydride, and carrying out extrusion and calendering. The panel is convenient to manufacture, low in cost, high in modulus and capable of resisting creep deformation, and the waste utilization of the traditional Chinese medicine dreg can be realized; and meanwhile, thepanel is capable of releasing a light and non-toxic natural fragrance and providing an environment-friendly and healthy living condition to customers and can be applied to the occasions of luxuriousoffice buildings and halls, house working and the like.

The invention provides a hotel reservation method and device and a hotel management method and device, and the device comprises an identification unit which is used for obtaining the identification information; a sending unit used for sending room booking information to the service, so that the server distributes a first room bound with the identification information and returns electric applianceinformation in the first room, and the room booking information comprises the identification information; a receiving unit used for receiving the electric appliance information returned by the server; and a selection unit used for selecting a target electric appliance from the electric appliance information and setting operation parameters for the target electric appliance. The sending unit is also used for sending an electric appliance control instruction to the server, so that the server controls the target electric appliance to operate according to the operation parameters, and the electric appliance control instruction comprises identification information, the target electric appliance and the operation parameters. When a user checks in a hotel, a comfortable living environment can becreated in advance, the user does not need to wait for equipment such as an air conditioner and a water heater to be heated or cooled, and therefore user experience is improved.

The invention provides an antibacterial and environment-friendly coating. The antibacterial and environment-friendly coating comprises the following components as raw materials in parts by weight: 25-32 parts of polyvinyl alcohol, 17-19 parts of a polyacrylate emulsion, 8-10 parts of nanometer attapulgite, 11-13 parts of nanometer kaolin, 12-15 parts of diatomite, 10-12 parts of a shell powder, 5-8 parts of a sepiolite powder, 2.5-3 parts of a Beitou stone powder, 0.5-1 part of nanometer titanium oxide, 1-1.5 parts of polyacrylamide, 6-8 parts of epoxy resin, 0.5-1 part of a mineral oil defoamer, 0.2-0.3 part of an ammonium polyacrylate dispersant, 0.1-0.2 part of carboxymethyl cellulose, 3-5 parts of coconut oil, 3.5-4 parts of a pine needle powder, 2.5-3.5 parts of naringenin, 1.5-2 parts of thyme, 1-2 parts of tamarind shells, 4.5-5.5 parts of callicarpa nudiflora, 3-4.5 parts of holly leaves, 1-2 parts of schizonepeta and 55-65 parts of deionized water.