37results about How to "Play the role of insect repellent" patented technology

The invention discloses a heat radiation system of electrical cabinets in a power distribution room. The heat radiation system comprises the power distribution room and the plurality of electrical cabinets in the power distribution room, wherein a rainproof roof is arranged on the top of the power distribution room; keels are arranged at the upper part of the power distribution room; suspended ceiling plates are connected below the keels; the power distribution room is divided into an upper space and a lower space by the suspended ceiling plates; an air-conditioning chamber is further formed in each electrical cabinet; the air-conditioning chambers are communicated with a connecting tube; an exhaust tube is correspondingly arranged above each electrical cabinet; the exhaust tubes penetrate through the suspended ceiling plates above the electrical cabinets so that the top parts of the exhaust tubes are positioned inside the upper space of the power distribution room; the bottom parts of the exhaust tubes are communicated with upper openings of corresponding electrical cabinets; a fan is further arranged on the ground of the power distribution room; the outlet tube of the fan is communicated with a blowing tube; the blowing tube is communicated with all air flues. As a plurality of heat radiation schemes are simultaneously implemented, the heat radiation effect is good, and normal operation of electrical elements inside the electrical cabinets of the power distribution room can be effectively ensured.

The invention discloses a method for cultivating selenium-rich guava fruit trees. The method includes the following steps of land selecting and orchard establishing, fertilizer and water managing, bagging, shaping and the like. Guavas cultivated with the method are good in taste, high in quality, beautiful in color and high in sweetness, the soluble solid, the sugar content and the sugar-acid ratio of guavas are obviously higher than the soluble solid, the sugar content and the sugar-acid ratio of marketed guavas, selenium-rich fertilizer is applied to guavas, guavas rich in selenium element are produced, and selenium-rich guavas are more beneficial to good health.

The invention provides a greenhouse planting method of long eggplants. The greenhouse planting method comprises the following steps: (1) selecting a land where solanaceae crops are not planted previously, and constructing a greenhouse, wherein an outer layer is a heat insulation layer, a middle layer is a sun-shading net layer and an inner layer is a 25-mesh insect-proof net; (2) treating seeds and sowing the seeds: selecting long eggplant seeds with full grains; 36 to 40 days after sowing the seeds, separating seedlings for the second time when four true leaves are unfolded; transplanting the seedlings to the greenhouse; (3) carrying out field planting: forming long eggplant ridges and Chinese angelica ridges, which are separated, and carrying out fertilizer and water management; (4) carrying out greenhouse management: coating a medicine layer on support columns before the field planting, and arranging atomizing machines of ethanol solution with the mass percent of 20 percent at four corners of the greenhouse; (5) carrying out pest and disease control. According to the greenhouse planting method of the long eggplants, the yield and quality of the long eggplants can be effectively improved, and the produced long eggplants have good disease resistance and quality; the use amount of fertilizer is reduced and the cost is balanced.

The invention discloses an inflation watering planter for plants, and belongs to the field of plant planting. The inflation watering planter for the plants comprises an outer container and inner containers. The inner containers are arranged in the outer container. The inflation watering planter is characterized in that at least two layers of partition plates are arranged in the middle of each inner container, each inner container is divided into cultivation cavities, water and fertilizer separation cavities and water storage cavities by each corresponding upper layer of partition plates and each corresponding lower layer of partition plates, water pipes extend into the water storage cavities and are communicated with the water and fertilizer separation cavities, and air pipes extend into the water storage cavities. The inflation watering planter has the advantages that the inflation watering planter is convenient to construct and management and is sanitary, water and fertilizers can be automatically circulated and can be saved, and favorable conditions can be provided with growth type preservation.

The invention provides a method for preparing an anti-crack log veneer. The method comprises the following steps: (1) cutting and peeling off log, placing the cut and peeled log in a cool and ventilate place, performing drying till the water content is 50-60%; (2) brushing two ends of the log with an anti-crack end-capping adhesive, performing curing at the room temperature, and performing rotary-cutting or slicing to obtain the log veneer. The anti-crack end-capping adhesive consists of a component A and a component B, wherein the component A comprises the following ingredients in parts by weight: 20-30 parts of active-hydrogen-containing resin, 3-8 parts of hydroxymethyl cellulose, 1-3 parts of an emulsifier, 1-3 parts of a defoamer, 5-10 parts of montmorillonite and 25-35 parts of ethyl acetate; the component B comprises the following components in parts by weight: 15-25 parts of isocyanate, 5-12 parts of modified rosin and 20-30 parts of ethyl acetate. The method for preparing the anti-crack log veneer is convenient to operate, the veneer has a good breakage prevention effect, the end-capping adhesive is high in bonding strength and low in probability of stripping, and meanwhile, the infested rate can be effectively reduced.

The invention discloses transparent glass paint and a preparation method thereof, and relates to the technical field of glass paint. The transparent glass paint is prepared from the following raw materials in parts: 100 to 120 parts of acrylic resin, 70 to 80 parts of epoxy polyurethane synthetic resin, 55 to 65 parts of ATO (Antimony Tin Oxide) powder, 35 to 45 parts of modified colloidal rheological thickener, 25 to 30 parts of ultraviolet absorbent, 15 to 20 parts of insect repellent, 10 to 15 parts of auxiliary and 200 to 220 parts of water. The transparent glass paint is high in light transmittance, low in heat transfer coefficient, good in heat insulation performance, is long in service life of a coating, is good in weathering resistance, and has the long-acting advantages of energy saving, self cleaning and attractiveness when being used on the glass of buildings.

The invention belongs to the technical field of food processing. Purposes of the invention are to solve the following existing problems: utilization rate of the hibiseu smanihot is low; majority parts of the hibiseu smanihot are discarded as wastes; yields of the red dates are large but the sales are poor, so that the red-date farmers encounter serious problems of high yields but low incomes; and wastes of the acorns are large. The invention provides a red-date food base material containing hibiseu smanihot-acorn powder and edible paper packing boxes prepared thereby. The red-date food base material is prepared by mixing the following raw materials: red date powder, whole-plant hibiseu smanihot powder, bitter and astringent taste-removed acorn powder, fresh ginger juice and water. The edible paper packing boxes are prepared by the following steps: mixing the red-date food base material with astragalus root powder and a flavoring powder or vegetables, bean curd residues and a flavoring powder; and extruding the mixture into packing boxes. The mixture of the whole-plant hibiseu smanihot powder and the red date pieces in the base material is sticky, flexible and tough, so that the base material can be easily shaped by extrusion; the acorn powder and the bean curd residues contain starch and proteins, so that the acorn powder and the bean curd residues act as supports in the edible paper packing boxes; and the fresh ginger juice is added into the base material so as to play a certain role of pest control. The prepared packing boxes can be used to partially replace glass bottles, plastic bottles and drug outer-packages; moreover, the packing boxes can be eaten or used as animal feeds.

The invention discloses a heat radiation system of electrical cabinets in a power distribution room. The heat radiation system comprises the power distribution room and the plurality of electrical cabinets in the power distribution room, wherein a rainproof roof is arranged on the top of the power distribution room; keels are arranged at the upper part of the power distribution room; suspended ceiling plates are connected below the keels; the power distribution room is divided into an upper space and a lower space by the suspended ceiling plates; an air-conditioning chamber is further formed in each electrical cabinet; the air-conditioning chambers are communicated with a connecting tube; an exhaust tube is correspondingly arranged above each electrical cabinet; the exhaust tubes penetrate through the suspended ceiling plates above the electrical cabinets so that the top parts of the exhaust tubes are positioned inside the upper space of the power distribution room; the bottom parts of the exhaust tubes are communicated with upper openings of corresponding electrical cabinets; a fan is further arranged on the ground of the power distribution room; the outlet tube of the fan is communicated with a blowing tube; the blowing tube is communicated with all air flues. As a plurality of heat radiation schemes are simultaneously implemented, the heat radiation effect is good, and normal operation of electrical elements inside the electrical cabinets of the power distribution room can be effectively ensured.

The invention discloses a cyclic deoxidation nitrogen-rich insect prevention device and method for a closed bin. The device comprises a separation and removal unit, the separation and removal unit isprovided with a first air inlet end, a first air outlet end and a second air outlet end, the first air inlet end is used for being communicated with the left end of the interior of the closed bin, thefirst air outlet end is used for being communicated with the right end of the interior of the closed bin, so that a closed and circulating loop is formed between the separation and removal unit and the closed bin, the second air outlet end is communicated with the outside of the closed bin, and the separation and removal unit is used for separating air in the closed bin and discharging oxygen separated from the air and other gases except the oxygen from the second air outlet end and the first air outlet end respectively. According to the cyclic deoxidation nitrogen-rich insect prevention device and method for the closed bin, the indirect nitrogen-filling insect prevention effect is achieved, the humidity in the closed bin is kept, and crop storage is facilitated.

The invention relates to the field of paeonia lactiflora pall planting, in particular to an insect prevention slow-release fertilizer recipe for paeonia lactiflora pall planting. The recipe comprises the following ingredients in percentage by mass: 25 to 40 percent of organic compound fertilizers, 6 to 15 percent of urea, 1 to 3 percent of clean liquid dung, 15 to 23 percent of slow-release materials, 8 to 12 percent of insect-proof materials and the balance of copper sulfate solution. The invention also discloses a preparation method of the insect prevention slow-release fertilizer recipe for paeonia lactiflora pall planting. The preparation method comprises the following steps of (1) putting one kind or several kinds of materials of sod calcareous soil, poultry dung, humus and traditional Chinese medicine slag into a stirrer; (2) filtering materials generated after the excrement still standing through a filtering screen to obtain clean liquid dung; (3) using a pulverizer for jointly pulverizing one kind or several kinds of materials of granite, gravel, marble, magmatite and sandstone; then, mixing wheat bran, mung bean paste, bean curd slag and alamo trees; uniformly mixing the mixture. The medical value of the paeonia lactiflora pall is maintained, and wide market application prospects are realized.

The invention belongs to the technical field of device for cultivating dendrobium huoshanense, in particular relates to a device for an indoor cultivation of dendrobium huoshanense. The device comprises a base, and upright pillars are arranged surrounding the base; detachable net separation plates are arranged on the base; cultivating frames without top surfaces are arranged on the net separationplates; a plurality of separation parts are detachably connected with the upper portions of the cultivating frames; distribution tubes are arranged under the separation parts, the cultivating frames are filled with gravels, and the seedlings of the dendrobium huoshanense are cultivated through circular arcs; the top surfaces of the upright pillars are covered with insect-proof nets; top caps are arranged on the insect-proof nets, and sprayers and illumination lamps are evenly arranged at the bottom of the top caps. Compared with the prior arts, the device for the indoor cultivation of the dendrobium huoshanense has the advantages that the device is easy to dismantle and install, the seedlings of the dendrobium huoshanense is capable of cultivating and collecting conveniently, and the production and quality of the dendrobium huoshanense cultivated by the device are significantly improved; meanwhile, the automation degree is high, the management and maintenance are easy to operate, and the effective utilization of the waste and the waste liquid can be achieved; meanwhile, the problem of high demand of growing environment of the dendrobium huoshanense can be solved.

The invention discloses a method for interplanting sugar canes with cantaloupes. The method comprises the steps of (1), seed selection; (2), seedling nursing: the cantaloupes adopt a method of nutritious bag seedling nursing; (3), soil preparation; (4), planting: disinfection is conducted by using prochloraz before the sugar canes are planted, a row of the cantaloupes are planted after every two rows of the sugar canes are planted, proper amount of farmyard manures are applied, and thin films covers the cantaloupes and the sugar canes; (5), management; (6), fertilizer application: humic acid hybrid fertilizers and foliar fertilizers are mainly applied: (7), cantaloupes harvesting, intertillage and fertilizer application; (8), sugar cane harvesting. According to the method, the sugar canesare interplanted with the cantaloupes, resource sharing of light, heat, soil, mulch films, fertilizers, water and the like is achieved, the loss and waste of the water and the fertilizer are reduced,the soil resource utilization rate is improved, and the income of farmers is improved; in addition, the quality of the cantaloupes can be significantly improved while it is ensured that the survival rate of the cantaloupes is good and the yield of the sugar canes is high and stable, the sugar content of the cantaloupes and the sugar canes is improved, and better economic benefits are achieved.

The invention provides a preparation method for moth-proof pinus sylvestris scrimber. The preparation method comprises the following steps that 1, a pinus sylvestris log is cut with a saw and peeled, end sealing glue is applied to the two ends of the log, a blank veneer is obtained through rotary cutting or slicing, and a veneer M with the water content of 6%-16% is obtained after the veneer is blanched, dyed and dried; 2, double-face adhesive applying, assembling and cold pressing are conducted on the veneer M obtained in the step 1, and the needed moth-proof pinus sylvestris scrimber is obtained, wherein an adhesive used in double-face adhesive applying in the step 2 is prepared from, by weight, 30-50 parts of polyvinyl acetate, 8-15 parts of camphor tree essential oil and 10-20 parts of polyvinyl alcohol. According to the preparation method for the moth-proof pinus sylvestris scrimber, pinus sylvestris is adopted as the log, the material is convenient to obtain, low in cost and easy to process, and meanwhile the prepared scrimber has a moth-proof effect; the method that the end sealing glue is applied to the two ends of the log is adopted, therefore, the condition that the log veneer is broken is effectively prevented, and then the quality of the scrimber is further improved.

The invention discloses an environment-friendly and tough insect-resistant semi-conductive cable in the technical field of insect-resistant ant semi-conductive cables. An aluminum alloy armoring tapeis fixedly arranged on the inner surface of a buffer water-blocking strip. An isolation sleeve is fixedly extruded on the inner wall of the aluminum alloy armoring tape. Three main copper conductors of the same structure are nested in the inner cavity of a wrapping belt. An inner semi-conductive shielding layer is fixedly extruded on the outer wall of each main copper conductor. An insulating shielding layer is fixedly extruded on the outer wall of each inner semi-conductive shielding layer. An outer semi-conductive shielding layer is fixedly extruded on the outer wall of each insulating shielding layer. A cross-linked polyethylene insulating layer is fixedly extruded on the outer wall of each outer semi-conductive shielding layer. A secondary copper conductor is nested between adjacent two cross-linked polyethylene insulating layers. An inner sheath is fixedly extruded on the outer wall of each secondary copper conductor. The hardness and compressive strength of the cable are improved. The cable is insect-resistant. The protectiveness of the cable is improved.

The invention discloses a cultivating method for hylocereus undulates. The method comprises the following steps: 1) selecting a scion; 2) selecting a rootstock; 3) performing grafting to obtain hylocereus undulates seedlings; 4) planting the hylocereus undulates: planting the hylocereus undulates seedlings in a greenhouse nursery; 5) performing planting management: applying a fertilizer for the first time before flower buds of the hylocereus undulates are differentiated; picking buds in the middle stage of flower bud differentiation and 1-3 days before a flowering stage; performing artificialpollination in the flowering stage; applying a fertilizer for the second time in the early stage of a fruit setting stage; and applying a fertilizer for the third time in the middle stage of the fruitsetting stage; and 6) bearing fruits. The cultivating method disclosed by the invention has a high fruiting rate, fruits are large and have good quality, and therefore the method improves a yield ofthe hylocereus undulates and increases planting benefits.

The invention provides a preparation method of a biological plant protection agent. The method comprises the following steps that S1, an actinomycete group, a nitrogen-fixing bacteria group, a photosynthetic bacteria group, a nitrate bacteria group, a lactic acid bacteria group, a yeast group, a phosphorus-dissolving bacteria group and a growth bacteria group are mixed uniformly according to the mass ratio of (13.8-14.3): (8.3-8.8): (15.8-16.3): (7-7.5): (17.7-18.2): (15.8-16.3): (7.5-8.0): (12-13) to form a microbial composite preparation; S2, kieselguhr, a natural plant material extract andthe microbial composite preparation are mixed and stirred according to the mass ratio of (85-88): (7.5-8.5): (5.5-6.5).

The invention discloses a solid wood composite door. The solid wood composite door comprises a door leaf (1) and a door panel (2), wherein the door leaf (1) comprises a left door frame (11) and a right door frame (12); the two door frames are perpendicularly fixed through an upper crosspiece (13), a middle crosspiece (14) and a lower crosspiece (15) in a joggle joint mode; the door panel (2) comprises an upper door panel (21) and a lower door panel (22); each door panel consists of three layers, namely, a solid wood jointed board layer 1 (201), a solid wood keel (202) and a solid wood jointedboard layer 2 (203); a cavity (204) is separated out of the door panel by a solid wood keel; and the cavity is filled with filler. The solid wood composite door is formed by combining all solid wood materials through a mortise and tenon joint structure, and solid wood is spliced, so that the wood door is firmer, is higher in the deformation resistance in all directions, and is longer in the service life. The filling cavity is built in the panel through the solid wood keel, and the cavity filler can play a role in fire prevention, heat insulation and sound insulation on the premise that the weight of the wood door is reduced.

The invention relates to a preparation method for insect preventing powder for rattan-weaved artware. The preparation method mainly comprises the following steps of: firstly preparing powder of root of kudzu vine, putting the powder in a bottle, igniting the powder, putting residual burned black particles in a bowl, adding 3 parts of edible oil and stirring the mixture for later use; adding epoxy resin and floral water in a stirrer, stirring the mixture to obtain a mixed solution, then heating and stirring the mixture, and taking out 70% of the mixed solution for later use; adding diethylenetriamine, tricresyl phosphate and butadiene-acrylonitrile rubber into the stirrer and continuously stirring the mixture with 30% of the mixed solution for 10 minutes to obtain a mixed solution II, adding essence into the mixed solution II, stirring and mixing the mixture, screening the mixture by a 200-mesh sieve, taking out a solid residue, adding the particles mixed with the edible oil, and burning the mixture obtained to obtain an insect preventing particle semi-product; and grinding the insect preventing particle semi-product, mixing the ground insect preventing particle semi-product with the 70% of the mixed solution, performing distillation till water is evaporated, taking out the residue, and performing granulation and crushing to obtain the insect preventing powder. The preparation method provided by the invention is colorless, tasteless and non-toxic, plays an insect-preventing role and does not corrode the artware.

The invention discloses a pollution-free planting method of selenium-rich citrus gonggan, and relates to the technical field of fruit tree planting. The method comprises the steps of when the flower season is ended, cutting a plurality of non-woven fabric strips in advance, respectively soaking the non-woven fabric strips in 2500-3000 times of 2.5% kung fu emulsifiable concentrate for preventing and treating citrus gonggan aphids and phylloxera, 1500-2500 times of 50% bromopropylate emulsifiable concentrate for red / yellow spiders and 3000 times of 2.5% deltamethrin emulsifiable concentrate forpreventing and treating yellow caterpillars and scorpionfly for 24-48 hours, and then respectively binding the non-woven fabric strips soaked with different medicinal liquids on citrus gonggan branches and trunks; when fruits of fruit trees grow to a half-ripe stage, removing the non-woven fabric strips, in the step 6, bound to the fruit trees, then smearing fruit tree body brushing essence on fruit tree waistbands in time for preventing autochthonism diseases and pests from climbing up the trees, cutting off disease and pest provision supply transportation lines on the trees, exhausting disease sources, and controlling plant physiological diseases and infectious disease reproduction. Pesticide and the like are prevented from being directly sprayed on the fruit trees, and the quality of citrus gonggan fruits is improved while insect prevention and expelling effects are achieved.

A preparation method of wicker handicraft insect prevention powder mainly comprises the following steps: preparing Radix Puerariae powder, placing the Radix Puerariae powder in a bottle, igniting the Radix Puerariae powder to obtain charred particles, placing the particles in a bowl, adding 3 parts of edible oil, and stirring the particles and the edible oil for later use; adding ethyl methyl ketone and toilet water into a stirrer, stirring ethyl methyl ketone and toilet water to obtain a mixed solution, heating and stirring the mixed solution, taking 70% of the mixed solution for later use; adding n-octyl acrylate, methacrylamide and nitrile butadiene rubber into the stirrer, continuously stirring the added substances and 30% of the mixed solution to obtain a mixed solution 2, adding an essence to the mixed solution 2, stirring and mixing the essence and the mixed solution 2, sieving the obtained mixture by a 200 mesh sieve, taking solid residues, adding the edible oil-containing particles, burning the solid residues and the particles to obtain semi-finished insect prevention powder; and crushing the semi-finished insect prevention powder, mixing the crushed powder with 70% of the mixed solution, distilling the obtained solution until water is eliminated, taking obtained residues, granulating the residues, and crushing the granulated residues to obtain the insect prevention powder. The insect prevention powder is colorless, odorless and nontoxic, has an insect prevention effect, and does not corrode handicrafts.

The invention belongs to the technical field of cooking utensils and relates to a steam valve assembly and a device with the steam valve assembly. The steam valve assembly comprises a steam valve body and a foam breaking structure; the steam valve body is provided with a steam valve cavity, an air inlet and an air outlet, wherein the air inlet and the air outlet are communicated with the steam valve cavity; and the foam breaking structure is connected to the steam valve body, is communicated with the air inlet and is suitable for breaking foam. With the steam valve assembly and the device with the steam valve assembly of the invention adopted, the foam passing through the foam breaking structure is punctured, so that the overflowing of the foam can be prevented.

The invention relates to a tea planting method. The tea planting method includes the steps: 1) planting field finishing; 2) transplanting; and 3) forest management. The tea planting method adopts thebase fertilizer which is mainly farmyard manure and traditional Chinese medicine slag, thus satisfying the nutritional demand for growth of tea trees, and avoiding pollution to soil and environment, caused by excessive use of chemical fertilizers. The tea planting method enables the traditional Chinese medicine slag to be turned into treasure from waste, and makes full use of the active ingredientremaining in the traditional Chinese medicine slag in the fertilizer, and can increase the content of the relevant beneficial ingredients in the crops through the absorption of the crops, thereby increasing the nutritional health value thereof.

The invention discloses a pomegranate dry rot control method. The method is used for orchard management within one growth cycle, in other words, the method comprises the steps of dry rot branches in a pomegranate orchard are removed and the orchard is cleaned in winter, soil turning and fertilization are carried out for laying a good foundation for the pomegranate growth and health in the next year, insecticide is sprayed before and after pomegranate sprouting and fruit setting, and therefore pomegranate output reduction, pomegranate quality lowering and rot caused during storage are avoided.

The invention provides a liftable stilt suitable for orchard operation, relates to the technical field of orchard management devices, and solves the problems that the height of most stilts is adjusted manually, the labor efficiency is reduced, the stability of the stilts is poor, and a slipping phenomenon easily occurs when a worker walks on the stilts. A liftable stilt suitable for orchard operation comprises a device box. A fixed bottom plate is installed in the middle of the interior of the device box, two sets of through grooves are formed in the upper end face of the device box, and the inner surfaces of side plates at the two ends of the device box are each provided with a T-shaped rail groove. According to the fruit tree fixing device, through the arrangement that the fixing shaft is clamped in the sleeve in a sliding mode, the position of the fixing shaft in the inner groove can be adjusted according to different heights of fruit trees, after the position of the fixing shaft is adjusted, a fastening bolt can penetrate through the fixing hole and the positioning hole to fix the fixing shaft in the inner groove of the sleeve, and rapid fixing of the fixing shaft is achieved; the operation is simple and convenient for workers to operate.

The invention discloses a pest-control fertilizer for plantation of Camellia nitidissima. The pest-control fertilizer comprises (by weight): 120-200 parts of humus soil, 40-80 parts of pig dung, 15-30parts of chicken manure, 20-40 parts of plant ash, 6-12 parts of a nitrogenous fertilizer, 8-15 parts of a phosphate fertilizer, 6-12 parts of a potash fertilizer, 0.3-0.8 part of an EM microbial agent, 1-5 parts of cane sugar, 5-15 parts of calcium superphosphate, 8-20 parts of ammonium sulfate, 0.5-1.5 parts of diammonium phosphate, 5-12 parts of folium syringae, and 0.3-1 part of Bacillus thuringiensis. The fertilizer of the invention has diversified functions, has high fertilizer efficiency, can control pest, has little toxicity, has little influence on quality of Camellia nitidissima, and has little destructive effect on the environment.

The invention discloses an electric furnace with a good cooling effect. The electric furnace comprises a furnace body; a furnace cavity is arranged in the furnace body; at least one air groove is formed in the furnace body; the furnace cavity is divided into at least two mounting cavities by the air grooves; the bottoms of the air grooves are provided with first air holes communicating with the air grooves in correspondence to the bottom plate of the furnace body; cooling fans are installed on the air grooves; through convection guide of the cooling fans, the first air holes communicate with the mounting cavities; through the structures of the air grooves and the fans, more spaces are provided for the furnace body; the first air holes are directly formed in the bottoms of the air grooves,so that no matter whether the first air holes are air inlets or air outlets, the cooling fans can rapidly communicate with the first air holes, and a cooling task can be rapidly completed; an air collecting cavity has a certain space, so that the effects of buffering and heat relieving can be formed, and cooling is further facilitated; and the air grooves have a certain height, so that the effectof isolating heat of heating assemblies is achieved, and the work and the service life of control assemblies cannot be influenced.

The invention discloses an outdoor intelligent high-low-voltage switch cabinet with an automatic protection function. The switch cabinet is characterized in that the cabinet comprises a cabinet body, an automatic protection device, a ventilation device and a rainproof cover. The automatic protection device is connected with a temperature and a humidity detection device inside the cabinet body. The rainproof cover is arranged on the top of the cabinet body; a solar cell panel is arranged on the surface of the rainproof cover and is connected with a storage battery inside the cabinet body to provide power for a fan. According to the provided outdoor intelligent high-low-voltage switch cabinet, the cabinet body can be monitored by the automatic protection device, a dangerous signal is sent out timely, and all loops in the switch cabinet can be disconnected, so that the losses are minimized; the solar cell panel is used for providing power for the storage battery and thus power can be provided for the ventilation device so as to reduce the temperature inside the switch cabinet irregularly, so that the service life of the switch cabinet is prolonged and the energy is saved; and with the rainproof cover, the service life of the switch cabinet is also prolonged.

The invention provides a negative ion antibacterial and mildew proof insect ant wood floor interface agent and a preparation method thereof, and relates to the field of building decoration materials.The agent is prepared from, by mass, 30-45 parts of acrylic emulsion, 17-26 parts of partsvinyl ethylene-ethylene copolymerization emulsion, 6-13 parts of waterborne epoxy resin emulsion, 3 -8 parts of water glass, 30-40 parts of calcium carbonate, 10-15 parts of kaolin, 3-10 parts of diatomaceous earth, 2-6 parts of rare earth, 4-10 parts of tourmaline powder, 1-4 parts of antibacterial and mildew proof agent, 1-4 parts of eucalyptus carbonized powder, 1-4 parts of camphor wood carbonized powder, 1-4 parts of Chinese prickly ash seed carbonized powder, 1-5 parts of methyl cellulose,1-4 partsof dispersing agent, 0.5-2 parts of defoaming agent, 2-7 parts of film forming agent and 30-60 parts of pure water.