192results about How to "Improve rain resistance" patented technology

An LED lamp includes an illumination apparatus and a heat-dissipating waterproof cover. The illumination apparatus includes LED modules; and the heat-dissipating waterproof cover is configured to cover the LED modules. The heat-dissipating waterproof cover includes a plurality of drain members, and a gap is formed between every two drain members so as to increase the air convection, thereby increasing heat dissipation efficiency of the LED modules. Every two adjacent drain members are partially overlapping in vertical to prevent the intrusion of water.

The invention discloses a boiler flue gas treatment device. The boiler flue gas treatment device comprises a gas inlet pipe and a gas outlet pipe and is characterized in that the gas inlet pipe is horizontally arranged, and the right end of the gas inlet pipe communicates with a boiler smoke outlet; an ash discharging outlet is formed in the left end of the gas inlet pipe and is further provided with a plug through a bolt assembly; the gas outlet pipe is vertically arranged, and the lower end of the gas outlet pipe communicates with the upper end of the gas inlet pipe in a welding mode; a rotating shaft is vertically arranged on the lower portion of the inside of the gas outlet pipe, and an annular framework is arranged outside the upper end of the rotating shaft; the outer wall of the framework and the inside of the gas outlet pipe achieve motion sealing, and the inner wall of the framework is fixedly connected with the rotating shaft through a plurality of reinforcing ribs; and a filter cloth is arranged in a space formed between the reinforcing ribs and the framework. The novel structure is reasonable in design, using is convenient, dust in boiler tail gas can be removed, hazardous substances can be adsorbed, and the environment is protected; and the phenomenon that soot scaling happens to block the gas outlet pipe is avoided, the replacing frequency of the filter cloth is reduced, the replacing efficiency of an adsorbing material is improved, later maintenance by workers is facilitated, and the labor intensity is lowered.

The invention discloses an insecticide microcapsule suspension type liquid medicine fertilizer and a preparation method and application thereof.The insecticide microcapsule suspension type liquid medicine fertilizer is prepared from insecticide, an organic solvent, a cyst wall material, a pH adjusting agent I for preparing microcapsules, a nitrogen fertilizer, a phosphate fertilizer, a potash fertilizer, a micronutrient fertilizer, an emulsifying agent, a filler, a dispersing agent, a defoaming agent, a thickening agent, an antifreezing agent and water, wherein the pH adjusting agent I is acid.The raw materials further include a pH adjusting agent II for adjusting the pH value of the liquid medicine fertilizer, wherein the pH adjusting agent II is alkali.The average control effect of the insecticide microcapsule suspension type liquid medicine fertilizer on wheat aphid is 80.0% or above, meanwhile, the yield of eggplants can be increased, and the N, P and K unit nutrient partial productivity is improved.The insecticide microcapsule suspension type liquid medicine fertilizer is simple and reasonable in technology, reduces the material grinding size as much as possible, is low in energy consumption, suitable for industrial production and suitable for being adopted in a small area, and saves material resources, financial resources and labor force.

The invention discloses a control panel cabinet placed in open air. The control panel cabinet comprises a cabinet body and a cabinet door, wherein the upper end of the cabinet body is provided with an air outlet; a side face of the cabinet body is provided with an air inlet; the air inlet is covered by a dust-proof mesh; an exhaust fan is arranged on the air outlet; the top of the cabinet body is also provided with a V-shaped top cover; the edge part of the V-shaped top cover is provided with a horizontally inward edge plate; the V-shaped top cover is fixedly arranged at the upper end of the cabinet body; the edge part is circumferentially and uniformly provided with air holes. According to the control panel cabinet placed in open air, the heat in the control panel cabinet is discharged to the exterior of the cabinet body through the air holes formed in the edge plate; since the air holes are positioned in the inner side of the V-shaped top cover, the rainwater can be prevented from entering the cabinet body through the air holes, and the rain-proof performance is good; the exhaust fan can be used for quickly discharging the heat in the cabinet body, so the heat dissipation effect is good.

The invention belongs to the technical field of prefabricated bridge concrete pouring and particularly relates to a prefabricated bridge concrete pouring rainproof construction method and a device thereof. The invention solves the problem that the construction of the existing prefabricated bridge is seriously affected by rainy seasons. The device comprises a template rainproof awning, a hopper and a rainproof mobile pouring trolley, wherein the template rainproof awning comprises a template rainproof awning framework and a template rainproof awning roof; a hopper rainproof cap is arranged at the top of the hopper; the rainproof mobile pouring trolley comprises a walking trolley, a bracket platform, a receiving hopper, a fixed chute and a rotating chute. The method comprises the steps: covering the template rainproof awning, conveying concrete by using the hopper with the rainproof cap and pouring the concrete through the rainproof mobile pouring trolley. The prefabricated bridge concrete pouring rainproof construction method and the device thereof have the benefits that the rainproof pouring construction method of prefabricated bridge concrete through the bridge template rainproof awning, the rainproof mobile pouring platform and other tools is initiatively utilized, the problem of prefabricated bridge concrete pouring construction in rainy seasons is solved, and the construction quality of the prefabricated bridge concrete in the rainy seasons is ensured.

The invention discloses a PAA-TEOS-OA combined treatment-based finishing method for a polyester or polyamide hydrophobic fabric, and belongs to the technical field of functional textiles. A fabric is subjected to pretreatment by utilizing polyacrylic acid, so that the capability of the fabric in the aspect of reacting with a subsequent chemical reagent is improved, and a bridge function is achieved; tetraethyl orthosilicate is hydrolyzed and polycondensed under an acid or alkali condition, and particular matters are formed on the surface of the fabric, so that a function of roughening the fabric is achieved; long-chain alkane type octadecylamine can effectively reduce surface energy of the fabric, and meanwhile, the environment problem caused by perfluoronic compounds is avoided; in the finishing treatment, traditional soaking, rolling, baking and roasting processes are utilized, so that the homogeneity and the repeatability of products are good, and the cost is low; the polyacrylic acid, the tetraethyl orthosilicate and the octadecylamine, which are utilized in the whole finishing process, need to be utilized under weak acid and weak alkali conditions, and the baking temperature is low, so that the damage to the fabric is small; the finishing method can be applied to finishing a hydrophobic function of the polyester or polyamide fabric.

The invention discloses a multi-stage infrared radiation street lamp shade. The multi-stage infrared radiation street lamp shade is composed of a metal shell, a reflecting layer coating coated on theinner wall of the metal shell and an infrared radiation coating coated on the outer side of the metal shell. The reflective layer coating takes a polyaluminosilicate layer as a bottom reflective layerand takes a silicon carbide layer as an outer radiation layer; the infrared radiation coating takes a silicon carbide layer as a bottom layer and an insulating layer, and a graphitizable polymer layer as an upper layer and a rivet fixing layer, and spherical graphene penetrates through the two-layer structure. The multi-stage infrared radiation street lamp shade utilizes the wrinkled structure ofspherical graphene, and realizes multi-stage infrared rapid heat dissipation under the coacervation and combination action of macromolecules and the cooperation of small-molecule high-radiation inorganic particles. Meanwhile, the reflecting coating on the inner wall has the effects of high radiation and high reflection, and the heat transfer to the lamp shade is reduced. The two coatings are combined, so that the temperature of the lamp shade is greatly reduced, the service life of a street lamp is prolonged, and the energy consumption is reduced.

The invention provides a power distribution cabinet having the waterproof function. The power distribution cabinet comprises a power distribution cabinet body and a waterproof member, wherein the power distribution cabinet body comprises a base plate, side plates, a top plate, a back plate and a cabinet door, a surface of the base plate is symmetrically provided with side plate slots, the side plates comprise a left side plate and a right side plate, a bottom portion is in plugging matching with the side plate slots, a top portion is fixed with a top plugging plate towards an inner side, a front end of the left side plate is provided with an accommodation groove inwards, two sides of the back plate are provided with the left side plate and the right side plate, two ends of the top plate are provided with top plate slots plugged between the left side plate and the right side plate, one side of the cabinet door is rotatably connected with a telescoping rod, another side is vertically provided with a sealing projection, the telescoping rod is horizontally mounted in the accommodation groove, and the waterproof member comprises a telescoping member, a drainage plate and a waterproof cloth. The power distribution cabinet is advantaged in that a plugging structure is employed, so regular maintenance and dismounting are convenient; the excellent waterproof effect under the severe weather condition can be further realized, internal drying is kept, normal operation of components is guaranteed, the power distribution cabinet is convenient to produce and manufacture, and the power distribution cabinet is suitable for popularization and application.

The invention discloses a fog and haze removing street lamp. The fog and haze removing street lamp comprises a hollow lamp column main body, a light emitting device, a dust removing device, a power generating device and a dust collecting case, the light emitting device is fixed on the lamp column main body through a stand, the dust removing device comprises an air inlet, an air outlet, static blades arranged on the inner wall of the lamp column main body and a drawing fan arranged in the lamp column main body, and the static blades is insulated from the lamp column main body; and the power generating device comprises an dual axis all-around solar tracking device and a storage battery, wherein the dual axis all-around solar tracking device is located on the middle-upper portion of the lamp column main body and connected with an solar cell panel, and the storage battery is located in the lamp column main body; and the dust collecting case is located at the bottom of the lamp column main body and connected with the inner portion of the lamp column main body through a pipeline, the drawing fan is arranged in the dust collecting case, and a starting button is arranged on the dust collecting case. According to the fog and haze removing street lamp, a dust removing device is added in the lamp column main body, dust in air is absorbed through the static blades arranged on the inner wall of the lamp column main body, and the dust removing function is achieved.

The invention discloses an anti-ultraviolet finishing method, wherein a dispersive type ultraviolet absorbent is dissolved into water and prepared into a finishing liquid and the concentration of the dispersive type ultraviolet absorbent is 1-10% o.m.f; a reactive type ultraviolet absorbent is added to the finishing liquid and the concentration of the reactive type ultraviolet absorbent is 1-10% o.m.f; next, 10-80 g/L of sodium chloride is added to the finishing liquid; when the temperature of the finishing liquid is 30 DEG C, fabrics are put in the finishing liquid at a dyeing bath ratio of 1; (10-100); and then the temperature is increased to the range of 40-80 DEG C at a temperature rise rate of 0.5-2 DEG C/min; 0.5-2 g/L of sodium carbonate is added to the finishing liquid; heat is preserved for 20-40 min; furthermore, the temperature is increased to the range of 90-130 DEG C at the temperature rise rate of 0.5-2 DEG C/min and the heat is preserved for 20-60 min; after heat preservation is finished, thorough water washing and drying are performed. The technical scheme of the anti-ultraviolet finishing method is simple in process and convenient for operation, and has no special requirement for equipment; as a result, large-scale production can be realized just by using the conventional dyeing equipment.

The invention relates to a melamino-formaldehyde resin encapsulated acetamiprid microcapsule, and a preparation method thereof. The microcapsule is technically characterized by comprising the following components: melamine, a formaldehyde solution, acetamiprid, chloroform, an emulsifying agent, a dispersing agent, water, an acid catalyst and a base catalyst. The preparation method comprises the following steps of: putting melamine and the formaldehyde solution in a three-neck flask, adding the base catalyst and regulating, and heating to obtain a melamino-formaldehyde prepolymer; putting the acetamiprid, chloroform, the emulsifying agent, and water in a reaction flask, and stirring to obtain a pre-emulsification solution; mixing the pre-emulsification solution and the prepolymer, adding acid and catalyzing, and adding an appropriate amount of dispersing agent, raising temperature to 60 DEG C, reacting for three hours and stopping reaction; and washing a product by using water for multiple times, and suction-filtering and drying to obtain a microcapsule product. The encapsulation rate of the microcapsule is relatively high, sustained release time is long, pollution to environment is reduced, the preparation method is simple, wall materials are low in cost and the microcapsule is suitable for large-scale production and application.

The invention discloses a watermelon anticracking agent. The watermelon anticracking agent is prepared from 5-20 parts by weight of chitosan oligosaccharide, 10-30 parts by weight of polyvinyl alcohol, 10-30 parts by weight of methyl cellulose, 0.5-5 parts by weight of brassinolide, 20-50 parts by weight of higher fatty acid, 5-20 parts by weight of magnesium sulfate, 5-20 parts by weight of calcium nitrate, 1-5 parts by weight of borax, 1-5 parts by weight of organosilicon, 0.5-2 parts by weight of ammonium molybdate and 0.5-2 parts by weight of rare earth fertilizer. The watermelon anticracking agent can effectively prevent watermelon cracking and can be used as a yield increasing agent for muskmelons, Chinese dates, cherries, tomatoes and grapes. In use, the watermelon anticracking agent is diluted through water by 500-1000 times and then is sprayed to the whole plant 3-5 times in the whole growth period. The watermelon anticracking agent has excellent film formation and diffusivity, has good effects of temperature increasing, moisture retention, disease resistance, yield increasing and quality improvement and can effectively prevent and control watermelon cracking phenomenon.

The invention discloses a parking space charging pile, and belongs to the technical field of automobile charging. The parking space charging pile comprises a charging box arranged underground a parking space, the upper portion of the charging box is provided with a box cover device used for opening and closing the charging box, the inner wall of the charging box is provided with a control unit, the lower portion of the charging box is provided with a driving device, the driving device is connected with a charging pile head, the charging pile head is provided with a lifting mechanism, and the box cover device, the driving device and the charging pile head are electrically connected with the control unit. After an automobile is parked in the parking space, the charging pile head can extend out of the ground to charge the automobile provided with a matched vehicle-mounted charging interface, convenience and rapidness are achieved, excessive ground space is not occupied, and the whole charging pile is good in rainproof performance and capable of preventing external damage; intelligent equipment is remotely controlled, and the automation degree is high; conductors on the charging head are arranged downwards and are distributed on the circumference, so that the insulating property and the rainproof property are good, and fool-proof design optimization is facilitated; a limiting switch is arranged on a parking space wheel catch device, and safe use is guaranteed.

The invention discloses an electric vehicle charging pile capable of protecting cables, which includes a charging pile body, a base, rechargeable gun, Cable, charging gun mount, Protective stop doorsand controllers, A main body of that char pile is fixed on the base, A left and a right end surface of that char pile body are respectively provided with a first arc edge and a second arc edge, the first arc edge and the second arc edge are respectively provided with a first heat dissipation network and a second heat dissipation network, A right end surface of that char pile body is provided witha first groove, A second groove is formed at the first groove, A char gun fixing seat and a cable winding rod are arranged in the second groove, The protection stop door can be attached to the first groove and cover the second groove. The protection stop door is connected with a nut seat through a hinge lug, a hinge plate and a cross bar. A driving motor is fixed in the charging pile body. The rotating end of the driving motor is connected with a screw rod, and the screw rod is sleeved with a nut seat. The invention has the advantages of simple structure and strong practicability.

The invention relates to a water guiding groove of a waterproof cover. The water guiding groove is characterized in that the water groove comprises a first water guiding groove and two water guiding grooves respectively engaged to two sides of the first water guiding groove. All the water guiding grooves are installed on the edge of the root of the waterproof cover via bolts. The water guiding groove is advantageous in that the water guiding groove is used in the waterproof cover, and is simple in structure, convenient to assemble and disassemble, long in service lifetime and high in adjustable performance; positions of movable plates can be adjusted according to actual conditions, thereby achieving best waterproof effects; and the water guiding groove has a favorable guiding effect since it is capable of guiding and releasing rain to a regulated position, thereby protecting a device against a damage.

The invention relates to a method for performing ecological restoration on a steep rock slope through a soil fixing cage. The ecological restoration method comprises the following steps of (1) cleaning of the slope surface; (2), fixing of cross structures; (3), fabrication of plates; (4), installation of soil fixing grids; (5), laying of iron wire nets to form the soil fixing cage; (6), ejecting of foreign soil and sowing; (7) maintenance. The soil fixing cage is a cuboid composed of the prefabricated HDPE plates, the cross structures and the iron wire nets and is provided with holes staggeredto one another. By means of the method for performing ecological restoration on the steep rock slope through the soil fixing cage and the soil fixing cage provided by the invention, water and soil can be effectively maintained, falling off of a foreign soil layer is prevented, and rain water erosion resistance of the foreign soil layer is improved; and the problem of nutrient exchange necessary to plant growth can also be effectively solved, a platform and growth environment for stable growth of plants is provided, the implementation method is simple and easy to perform, the cycle is short, and the method can be well applied to the ecological restoration process of the steep rock slope.

The invention relates to the technical field of protective devices, and discloses a VR fitness sports helmet with good ventilation function, the VR fitness sports helmet comprises a protective helmet,the top of the protective helmet is fixedly connected with a support rod, and the top end of the support rod is fixedly connected with a protective plate. The sports helmet with the good ventilationfunction for VR fitness has the advantages that the ventilation function is good; by installing the protection plate, air hole can be covered, rainwater is prevented from entering the protective helmet from the air holes; a good rainproof effect can be achieved; by arranging a filter screen, mosquitoes can be prevented from entering the protective helmet from the air holes; the effect of protecting the head is achieved; by arranging a buffering inner layer, the protective helmet can be prevented from making direct contact with hair, ventilation and air permeability are better, meanwhile, external force can be buffered, damage caused by the external force to the head is reduced, when the face needs to be protected by goggles, rainwater is prevented from entering the sports helmet, the headis protected, and the head of an athlete is prevented from being wetted by the rainwater.