759results about How to "Play a thermal insulation effect" patented technology

The invention discloses a preparation method of a silica aerogel aqueous heat-insulating coating, and is characterized in that: prepared SiO2 microspheres are hydrophobic inside and hydrophilic outside; and the aerogel microspheres can be added into an aqueous coating carrier to prepare a good heat-insulating material. The main preparation method comprises the following steps of: before drying the prepared wet gel microspheres, performing surface modification by using an organic silane or an organic chlorosilane, so that the prepared wet gel microspheres are hydrophobic by grafting a large number of alkoxy groups or alkyl groups on the surfaces thereof, or directly preparing the hydrophobic wet gel microspheres; performing surface modification on the microspheres by using a hydrophilic silane coupling agent, and drying to obtain the SiO2 microspheres which are hydrophobic inside and hydrophilic outside; and adding the prepared microspheres into an aqueous coating for preparing the aqueous heat-insulating coating.

The invention belongs to the technical field of power battery systems for electric vehicles and in particular relates to a power battery thermal management system for an electric vehicle. The power battery thermal management system comprises a battery box, a lithium ion battery system, an air cooling system and a water cooling system, wherein the lithium ion battery system, the air cooling system and the water cooling system are installed in the battery box, the battery box is internally provided with a heat insulation device, and the heat insulation device is adhered to the inner wall of the battery box. According to the power battery thermal management system disclosed by the invention, as heat insulation is installed in the battery box as a thermal management mode of a battery system of the electric vehicle in a non-running state, and the air cooling system and the water cooling system are arranged as a thermal management mode of the battery system of the electric vehicle in a running state, the service life loss and the safety hidden dangers as the battery system of the electric vehicle is in high or low temperature environment for a long time can be reduced; the temperature in a battery pack is not too high or low when the vehicle runs, and the thermal management efficiency of the vehicle during running is also improved.

The invention discloses water montmorillonite nano composite heat insulating waterproof paint and a preparation method thereof. The water montmorillonite nano composite heat insulating waterproof paint comprises the following ingredients in percentage by mass: 30 to 35 percent of nano composite emulsion, 10 to 15 percent of polymer emulsion, 10 to 15 percent of rutile-type titanium pigment, 10 to15 percent of organic modified nano montmorillonite, 5 to 10 percent of nano oxide, 0.3 to 0.35 percent of pH adjusting agent, 0.50 to 0.65 percent of film-forming additive, 0.35 to 0.4 percent of elastic foam killer, 0.20 to 0.30 percent of wetting agent, 0.10 to 0.15 percent of dispersion agent, 0.50 to 0.65 percent of anti-freezing agent, 0.10 to 0.15 percent of sterilization antiseptic and 20to 25 percent of water. The water montmorillonite nano composite heat insulating waterproof paint not only has good compatibility, dispersion performance and good stability, but also has good water resistance, heat insulation, environmental protection, outdoor weather resistance and good adhesive attraction and has an antibacterial self-cleaning function.

The invention discloses a riser heating and insulating agent, which comprises the following components in percentage by weight: 5 to 35 percent of Al, 10 to 25 percent of AlN, 3 to 20 percent of low-carbon graphite, 5 to 25 percent of magnesia-alumina spinel, 5 to 15 percent of quartz, 10 to 30 percent of ferric oxide powder, 5 to 20 percent of corundum, 5 to 10 percent of organosilicon phlogopite, and 1 to 10 percent of MgO; and the riser heating and insulating agent is prepared by the following processes: crushing, pulverizing, mixing, pelletizing, drying, and the like. The riser heating and insulating agent has double effects of heating and insulating, and has good insulating effect. Because the riser heating and insulating agent has a granular appearance, dust and smoke are not generated in the using process, and the environment is not polluted. Due to the adoption of the low-carbon graphite, castings do not have carburizing phenomenon, and the molten steel is not polluted. The riser heating and insulating agent is particularly applied to open risers of low carbon steel large-scale steel castings and stainless steel castings with the weight of over 80 tons.

The invention discloses a multi-channel intelligent temperature-controlling device of polyase chain reaction micro-flow control chip, which comprises the following parts: three temperature sensors (3), three electric heat films (4), chip fixing device (1) and temperature collecting control device (2), wherein the chip fixing device is composed of three insulating areas (6), insulating groove (7) and pin on the insulating area with PCR micro-flow chip (5) on the surface of chip fixing device; the temperature collecting control device contains multi-path analog switch, A/D switcher, single chip set, D/A switcher, driving circuit and display.

The invention discloses a built-in and multi-cavity double steel plate and concrete filled steel tubular column combined shearing wall and a manufacturing method, and relates to the field of the construction technology. According to the built-in and multi-cavity double steel plate and concrete filled steel tubular column combined shearing wall, cast-in-place reinforced concrete, a steel plate shearing wall and a concrete filled steel tube are combined into the combined shearing wall. A plurality of transverse steel plates are arranged between the double steel plates to form a multi-cavity structure between the double steel plates. Bar-mat reinforcements formed by transversal distributed bars and longitudinal distributed bars arranged on the two sides of the combined multi-cavity steel plates are connected through stretching bars. Compared with an existing shearing wall, the built-in and multi-cavity double steel plate and concrete filled steel tubular column combined shearing wall has the advantages of being large in initial rigidity, high in bearing capacity, slow in bearing and rigidity attenuation, good in overall anti-seismic and energy consumption performance and relatively stable in later anti-seismic property of the wall.

The invention provides an underground ventilated premixing chicken house which comprises a gable wall, side walls, a roof and a floor. An inner room is further arranged in the middle of the chicken house, partition plates are arranged in the side walls and inner walls in a sealed mode, and an air inlet plate is arranged between the two inner walls. A plurality of fans and a plurality of air inlet windows are uniformly arranged on the inner top. A plurality of wet curtains and exhausting ports are formed in the side walls, and air outlet grooves are uniformly formed in the inner walls. An underground exhausting bin is arranged below the floor, an exhausting pipe and a fan are arranged on one side of the underground exhausting bin, and an air outlet is formed in the upper end of the exhausting pipe. The underground ventilated premixing chicken house has the advantages that fresh air about to enter the chicken house and air in the upper layer of the chicken house are premixed, the premixed air is uniformly discharged into the inner room through a pressure bin, vitiated air settling to the lower portion of the chicken house is smoothly discharged out through the underground exhausting bin and/or exhausting ports formed in the side walls, the vitiated air settling to the lower portion of the chicken house can be well discharged out, and overall air change in the chicken house is uniform.

The invention discloses an environment self-adaptation modularized intelligent building system suitable for the field. The environment self-adaptation modularized intelligent building system comprises a modularized-assembled building body structure, an assembled house unit bathroom, an assembled house integrated kitchen, an assembled house carbon fiber electric heating floor heating plate, a solar photovoltaic power generation system, a wind power generation system, a wind-solar complementary power system, a roof rainwater collecting system, an FRP digestion tank, a soilless cultivation sunshine vegetable greenhouse, a cooling water curtain and the like, wherein the wind-solar complementary power system is composed of the solar photovoltaic power generation system and the wind power generation system. Solar photovoltaic power generation can be achieved through the building system, energy of power generation can be used for cooling in summer and heating in winter, water resources of the nature can be recycled, and the modularized movable building system can reduce the environment pollution and material waste and can also reduce power supply cost and the like.

The invention provides a pre-mixing ventilating type chicken house which comprises a gable wall, side walls and a roof, wherein an inner room parallel to the side walls is further arranged at the middle part of the chicken house, and comprises inner walls parallel to the side walls and an inner roof; partitions are hermitically arranged between the side walls and the inner walls; an air intake plate is arranged between the two inner walls located below the inner roof; a pressure bin is formed between the inner roof and the air intake plate; a pre-mixing bin is formed between the inner roof and the roof; a plurality of fans and a plurality of air intake windows are uniformly formed in the inner roof; a plurality of air intake holes and a plurality of small air intake windows are uniformly formed in the air intake plate; a plurality of wet curtains and air exhaust openings are arranged on the side walls; and a plurality of air outlet slots are uniformly formed in the inner walls. The pre-mixing ventilating type chicken house has the beneficial effects that the pre-mixing ventilating type chicken house can premix fresh air entering the chicken house and air on the upper layer of the chicken house, and pre-mixed air can be uniformly discharged into the inner room through the pressure bin, so that contaminated air sinking in the lower part of the chicken house can be well discharged, and the overall air in the chicken house can be replaced uniformly.

The invention provides an OLED film encapsulating structure. The OLED film encapsulating structure comprises a substrate, a first inorganic blocking layer, an organic buffer layer and a second inorganic blocking layer, wherein the substrate is loaded with an OLED device, and the first inorganic blocking layer, the organic buffer layer and the second inorganic blocking layer sequentially cover on the OLED device; and the refraction rate of the first inorganic blocking layer gradually decreases from the OLED device to the organic buffer layer, the refraction rate of the organic buffer layer is lower than that of the first inorganic blocking layer, and the refraction rate of the second inorganic blocking layer is lower than that of the organic buffer layer. By changing the refraction rates ofthe first inorganic blocking layer, the organic buffer layer and the second inorganic blocking layer, the light emitting efficiency of the OLED device can be increased, the situation that external moisture and oxygen penetrate into the OLED device is prevented, the corrosion of internal structures of the OLED device is avoided, meanwhile, a thermal insulation effect is achieved, and thermal damage caused by a subsequent deposition process to the OLED device is prevented; and the organic buffer layer is capable of packaging large-particle foreign matters and simultaneously realizing controlled-release of stress generated during planarization, so that the service life of the device is prolonged.

The invention discloses a 300mm vertical oxidation furnace heat preservation barrel, which is characterized by being provided with a bottom quartz plate (1), intermediate quartz sheets (2), supporting rods (3) and a top quartz plate (4); a plurality of supporting rods are vertically and fixedly installed between the bottom quartz plate and the top quartz plates; a plurality of quartz sheets are transversely, uniformly and fixedly installed on the supporting rods at intervals; and the upper surface of the top quartz plate is provided with a fixing groove (4.1) which is used for fixing a quartz boat. The bottom quartz plate and the top quartz plate are in the shape of circular ring; the intermediate quartz sheets are in the shape of circular sheet, and the structure of the intermediate quartz sheets is an OP material layer (2.1) in the middle and a high-purity transparent quartz plate material coating layer (2.2) on the upper layer, lower layer and the periphery. The invention is applicable to the support and heat preservation of the quartz boat of a vertical oxidation furnace, has complete structure, good heat preservation effect and high cleanness, and can ensure the processing quality.

The invention discloses a roof greening method by using callisia repens, in particular to a growing method for planting callisia repens on roof. The procedures of the method are as follows: first, a water-resistant system, a drainage system and a root resistant layer are arranged on the roof and a matrix layer is paved on the roof; second, grass seeds of the callisia repens is planted on the matrix layer by using any one method of offshoots, broadcasting sowing method, cottage or greensward transplanting and paving method; third, root fixing water is watered and N fertilizer is fertilized once every fifteen days, and lawn is formed within one to two months. As an effective measure for solving the influence of urban development on the entironment and raising the urban afforestation rate, the invention uses the callisia repens on the roof greening, which has a resultful effect on the heat resistance, virescence and disaster prevention of room surface.

The invention relates to an automobile windscreen which comprises an outer layer windscreen and an inner layer windscreen, wherein a cavity is arranged between the outer layer windscreen and the inner layer windscreen, and transparent and heat insulation silicon dioxide aerogels are filled in the cavity. Compared with the prior art, the automobile windscreen has a good anti-fog performance and a strength close to that of the normal windscreen.

The invention belongs to the technical field of construction, and discloses an assembly type energy-saving building part structure based on a BIM. The structure comprises a wall plate and a BIM database cloud platform, a sensor and an RFID tag are embedded in the wall plate, a convex block is fixedly connected to one side of the wall plate, two connecting clamping grooves are formed in the outer surface of the convex block, a first clamping groove is formed in one side of the wall plate, two second clamping grooves are formed in the other side of the wall plate, and the second clamping groovesare symmetrically distributed about the first clamping groove. According to the assembly type energy-saving building part structure based on BIM, through a vertical rod, when two wall plates are detached, the vertical rod is lifted, clamping plates and the connecting clamping grooves are staggered, the convex block is drawn out, the effect of facilitating dismounting is achieved, the problems that the damage of invariant detaching and forced detaching caused by traditional connecting manners of welding, riveting and the like to a wall plate happens, , the wall plate can be damaged, and cannotbe used again, and resources are wasted are solved, and the effects of facilitating dismounting and circular use are achieved.

The invention discloses a continuous production and sintering device for a self-supported ceramic thin film, and relates to a ceramic thin film. The continuous production and sintering device is provided with a high-temperature furnace system and a sample conveying system. The high-temperature furnace system is provided with a furnace body, a heating device and a vacuum device. The furnace body is provided with a hearth, a heat insulation layer and a vacuum layer. The hearth is divided by the heat insulation layer into a sample introduction chamber, a sintering chamber, a cooling chamber and a sample collection chamber. The heating device is provided with a thermocouple and a temperature controller. The vacuum device is provided with an inner furnace vacuum pump and a vacuum layer vacuum pump. The sample conveying system is provided with a sample introduction chamber sample winding device, a sample conveying device and a sample collection chamber sample winding device. The sample introduction chamber sample winding device is provided with a film winding drum, a fixing rod, a bearing, a motor shaft gear, a bearing gear and a film winding drum motor. The sample conveying device is provided with a sample carrier table, a fixing rod, a bearing, a motor shaft gear, a bearing gear, a big gear wheel, a conveying device motor, a chain and a conveying belt. The sampling chamber sample winding device is provided with a film winding drum, a fixing rod, a bearing, a motor shaft gear, a bearing gear and a film winding drum motor.

The invention provides an automobile-mounted heating cup on an automobile, and belongs to the technical field of daily necessities. The technical problem that an existing automobile-mounted heating cup is prone to being burst open by air pressure in the heating process is solved. The automobile-mounted heating cup on the automobile comprises an inner cup body, an outer cup body and a cup cover, wherein the inner cup body and the outer cup body are in a cylindrical shape, the top of the inner cup body is provided with a cup mouth, the two ends of the outer cup body are provided with openings, the inner cup body is connected in the outer cup body in an inserted mode, and the inner cup body and the outer cup body are arranged coaxially; a heat preservation layer is arranged between the outer side face of the inner cup body and the inner side face of the outer cup body and covers the overlapping portions of the outer side face of the inner cup body and the inner side face of the outer cup body, an electric heating unit is arranged on the outer surface of the bottom of the inner cup body and used for heating the bottom of the inner cup body, and an air valve is arranged on the cup cover and can communicate the inside with the outside of the cup cover when air pressure in the cup cover is larger than a preset value. The heating cup can be prevented from being burst open in the heating process, liquid can be prevented from leaking through the air valve under the non-heating condition, the seal performance of the automobile-mounted heating cup is good, and the heat preservation effect is good.

The invention relates to the technical field of a refractory material and specifically relates to a preparation method for a heat-insulating type compact silicon brick. The quartz is modified with peach gum under the effect of microorganisms and the macromolecular monosaccharide decomposed from the peach gum is grafted onto the rock wool surface, so that the adhesiveness of the quartz and the rockwool is promoted; the mineralizing agents, including silicon nitride, ferroferric oxide, calcium oxide and aluminum oxide, are added, so that the transformation of the quartz can be accelerated, thesintering temperature is reduced, the sintering time is shortened, the silicon brick interior is effectively filled, a heat-insulating effect is achieved and the compactness and the heat insulation ofthe silicon brick are promoted; the ethyl orthosilicate, hydrochloric acid, absolute ethyl alcohol and deionized water are mixed and reacted for generating a self-prepared silica sol; a silane coupling agent KH-560 is used for modifying the self-prepared silica sol, so that the silicon dioxide is effectively filled into the silicon brick, the surface property and the reaction activity can be effectively improved, the porosity of the silicon brick can be reduced, the compactness and the heat insulation of the silicon brick can be further promoted and the application prospect is wide.

The invention relates to a connecting method of prefabricated composite multi-ribbed floor slabs and steel beams of an assembly type steel structure house. Ribbed beams and steel beams at the joints of the multi-ribbed floor slabs and the steel beams are cast in place, and the fire prevention effect of the connecting joints of steel columns and the steel beams and the fire prevention effect of the steel beams are achieved; the multi-ribbed floor slabs are filled with light materials, and the heat insulation effect is achieved; and prefabricated composite multi-ribbed floor slab components are produced in advance and mounted in the field, the field construction speed is increased, lots of revolving materials such as supporting steel tubes, battens, web filmed multilayer boards and bamboo plywood are reduced, the construction speed is increased, and the construction cost is lowered.

The invention discloses a functional gradient and density gradient concrete material for 3D printing and a preparation method thereof. The material consists of a density gradient layer and a thermal insulation layer, and is prepared from lightweight ceramsite aggregate, a thermal insulation material, cement, industrial waste residue, fine aggregate, a defoamer, a superplasticizer and water. According to the concrete material prepared with the method, the comfort of 3D printed concrete is greatly improved, self-weight is reduced and the interaction of the concrete material with external environments is enhanced.

The invention discloses a unidirectional heat dissipation module which comprises a heat sink and a two-way memory connector. The two-way memory connector is attached to a heat source, is disposed between the heat source and the heat sink, and can memorize and expansion and contraction. The two-way memory connector is connected to the heat source and the heat sink when memorizing expansion, and separates the heat source and the heat sink when memorizing contraction. In the unidirectional heat dissipation module of the present invention, the heat sink is selectively connected to the heat sourcethrough the two-way memory connector. When the heat source heats the two-way memory connector to reach the expansion critical temperature, the two-way memory connector is expanded to connect the heatsink with the heat source so as to dissipate the heat generated by the heat source. When the temperature of the two-way memory connector is lower than the contraction critical temperature, the two-waymemory connector contracts to disconnect the heat sink from the heat source, and thus the heat sink does not dissipate the heat of the heat source, and a heat preservation effect is provided for theheat source. Thus, the unidirectional heat dissipation module achieves unidirectional heat transfer between the heat source and the heat sink.

The invention provides an agricultural greenhouse system based on the Internet of Things. The agricultural greenhouse system comprises a collection module, a cloud server, a mobile device, a controller and a functional module, wherein the collection module detects various parameter information in a greenhouse; the cloud server is connected with the collection module and used for receiving the parameter information; the mobile device is connected with the cloud server through a wireless network and outputs a control instruction; the controller is set locally to receive the control instruction sent by the mobile device through the cloud server; the functional module responds to the control instruction to work. Therefore, the intelligent control over the greenhouse system is achieved, manpower resources are saved, and moreover, a rainwater collection device is arranged outside the greenhouse, so that water sources are saved.