58results about How to "Affect insulation" patented technology

The invention relates to cooling costume for distribution network hot-line work, which is characterized in that a phase-change material bag and a circular cooling water pipe are arranged in a mesh vest; the circular cooling water pipe is clamped between the phase-change material bag and the mesh vest; the circular cooling water pipe is provided with a cooling water pipe joint on the edge of the mesh vest; the cooling water pipe joint is connected to a circular cooling water joint on a cool storage tank through a connecting pipe; the cool storage tank comprises an ice storage box, a control module capable of controlling the circulation of cooling water, a water pump and a cell; the opening of the ice storage box is connected with the water pump; the water pump is connected to the circular cooling water joint; and the control end of the water pump is connected with the control module. According to the invention, the cooling costume is a device for reducing temperature in insulting costume when distribution network hot-line workers carry out maintenance operation at high-temperature/humidity weather; ice is used as cool storage material; circular cooling water is made as refrigeration source; the cold air of the circular cooling water and heat quantity in the insulating costume are absorbed by phase-change material; thus, heat comfort in the insulating costume is ensured.

The invention provides a preparation method of a lightweight and high strength thermal insulation foam composite material. The composite material is prepared by taking lightweight, high porosity and low thermal conductivity aerogel nanoparticles as the heterogeneous nucleation agent and thermal insulation particle additive, and adopting polymer PMMA as the matrix. The method consists of the steps of: (1) preparation of an aerogel/PMMA composite material; and (2) preparation of aerogel/PMMA foam composite material. The foam composite material prepared by the method provided by the invention has a density of 0.35-0.44g/cm<3>, a compression strength of 15.19-19.92MPa under normal temperature test conditions, bending strength of 15.53-22.24MPa, and thermal conductivity of 0.052-0.091W/(m.K), and the microstructure is controllable, the preparation process is simple and easy to operate, and the cost is low, the composite material can be used as a thermal insulation and structural material, and has wide application prospects in building energy-saving, aerospace and other fields.

The invention discloses a nano self-cleaning external wall paint and a production method thereof, relating to the technical field of chemical industry. The nano self-cleaning external wall paint comprises the following components in percentage by weight: 50-55% of nano silicon resin, 15-18% of titanium white, 13-16% of ultrafine coarse whiting powder, 2-2.5% of C12 alcohol ester, 0.3-1% of sodium polycarboxylate, 0.3-1% of polyether modified siloxane, 0.6-0.8% of 2-(2-hydroxy-3,5-ditert-butyl)-5-benzotriazole chloride, 0.2-0.3% of polyoxyethylene fatty acid ester, 0.5-1% of polyacrylate, 0.1-0.2% of 1,2-benzothiazolinyl-3-one, 0.8-1% of 2-(4-thiazolyl)benzimidazole and the balance of water. The invention can solve the problems of poor pollution resistance, high pollution tendency and dissatisfactory heat insulation effect in the coating.

The invention discloses a self-cleaning composite insulator. The insulator comprises an insulating rod, and a metal cap and an umbrella skirt which are arranged on the insulating rod; and the insulator further comprises: a cleaning device arranged above the umbrella skirt, a first driving device connected with the cleaning device and used for driving the cleaning device to move so as to clean thetop end of the umbrella skirt, and a second driving device installed on the metal cap and used for driving the cleaning device to move up and down so as to make contact with or be separated from the top end of the umbrella skirt. In the present invention, the second driving device is arranged on the metal cap; and, during sweeping, the second driving device drives the sweeping device to move downwards to make contact with the top ends of the umbrella skirts. The first driving device drives the sweeping device to rotate to sweep the top end of the umbrella skirt, when the insulator is not swept, the second driving device drives the sweeping device to move upwards to be separated from the top end of the umbrella skirt, the sweeping device is prevented from making contact with the umbrella skirt all the time to influence the insulativity of the insulator, and the insulator has a self-cleaning function and does not influence the insulativity of the insulator.

The invention discloses a composite environment-friendly flame retardant for ABS (Acrylonitrile Butadiene Styrene) and ABS flame-retardant plastic. The composite environment-friendly flame retardant for the ABS consists of the following components in parts by weight: 10-20 parts of trimethylsilyl methyl methylphosphonate, 30-50 parts of melamine cyanurate, 10-20 parts of zinc borate and 40-60 parts of magnesium hydroxide. The ABS flame-retardant plastic consists of the following components in parts by weight: 100 parts of ABS resin and 20-40 parts of composite environment-friendly flame retardant for the ABS. The composite environment-friendly flame retardant for the ABS contains no halogen, has high flame retardant function and excellent compatibility with the ABS, is not migrated, separated or extracted in the ABS, is easy to disperse uniformly, has high weather resistance and lasting property and is not decomposed in a high-temperature fusion and thermal forming processing project;the performance such as the thermal deformation temperature, the mechanical temperature and the electrical insulation of the prepared ABS flame-retardant plastic are not affected; and the plastic haslong-term flame retardancy.

The invention provides a cooling system of a power battery. The cooling system comprises a battery box, a battery body, and a temperature regulating device, and further comprises a temperature detection device and a controller, wherein the battery box has an airtight accommodation cavity, the battery body is arranged in the accommodation cavity, the temperature regulating device is arranged at oneside of the battery box and can regulate temperature in the accommodation cavity in an air cooling manner, the temperature detection device is used for detecting temperature in the accommodation cavity, and the controller is electrically connected with the temperature regulating device and the temperature detection device separately. According to the cooling system, the battery body is arranged in the battery box with the airtight accommodation cavity, and the temperature regulating device regulates temperature in the accommodation cavity in the air cooling manner, so that potential risks ofa liquid cooling technique are prevented, and technical problems of high cost and complex structure are solved; the temperature detection device and the controller electrically connected with the temperature detection device and the temperature regulating device separately are arranged so as to form a closed temperature regulating loop, therefore, temperature of the battery body is controllable, and the whole system has a simple structure and is low-cost.

The invention provides a polypropylene flame-retardant plastic. The plastic comprises the following components in parts by weight: 60-80 parts of polypropylene, 20-50 parts of polyethylene, 20-30 parts of terpene resin, 10-30 parts of polystyrene, 10-25 parts of acrylonitrile-butadiene rubber, 5-10 parts of dibutyl sebacate, 5-10 parts of polyimide, 10-20 parts of liquid paraffin, 10-15 parts of diantimony trioxide, 10-30 parts of nano-titanium oxide, 10-22 parts of zinc stearate, 20-40 parts of flame retardant, 0.1-0.3 part of antioxidant, 0.5-1 part of defoaming agent, and 1-3 parts of auxiliaries.

The invention belongs to the technical field of devices or special methods for cleaning electronic equipment, and particularly discloses a computer keyboard cleaning method which comprises the following steps: 1, preparing an air-jet mechanism, a hard pipeline, and a partition plate used for encircling a keycap; 2, fixedly mounting the air-jet mechanism between the keycap and a keyboard pressure-sensing element, fixedly mounting the partition plate in an opening of a keyboard housing, encircling the keycap by utilizing the partition plate, and fixedly mounting the hard pipeline under the keycap; 3, forming channels which communicate with the hard pipeline in the partition plate, a keyboard circuit board and the keyboard housing; 4, adding a hydrotreating naphthenic base distillate into thehard pipeline, and then starting up a water pump; and 5, knocking on the keycap, so that pressure is applied to the air-jet mechanism, air in the air-jet mechanism is jetted, dust in a keyboard is sprayed into the channels, and the dust entering the channels drops into the hard pipeline and flows away along with the hydrotreating naphthenic base distillate. In order to solve the problem that theinterior of a housing of conventional keyboard is hard to clean from outside, the computer keyboard cleaning method is provided.

The invention relates the manufacturing method and device of composite section bar coated with clad material, comprising the following steps: granulating the clad material, sending it into extrusion machine; the surface of section bar coated with clad material to form the composite material coated with clad material; after treating the composite material. The character is that the section bar and clad material are putted into die at the same time and integrated to one-shot form the composite section bar. The method and device have the advantages of saving force and improving the efficiency.

The invention discloses an integrated drive motor device for an automobile. The integrated drive motor device for the automobile comprises a left drive motor and a right drive motor, wherein the leftdrive motor is connected with a left transmission and the right drive motor is connected with a right transmission through a common end cover, a common bearing is arranged at the joint of the left drive motor and the left transmission and the joint of the right drive motor and the right transmission, and the common bearing is arranged on the common end cover; a left drive oil passage inside the left drive motor is connected with a left transmission oil passage inside the left transmission and a right drive oil passage inside the right drive motor is connected with a right transmission oil passage inside the right transmission through a lubricating oil passage arranged inside the common end cover. The integrated drive motor device for the automobile provided by the invention solves the problems that the combination and assembly of the drive motors and the transmissions are complicated, the coaxial compatibility is low and pipelines inside the automobile are distributed in disorder, andmeets the requirements of miniaturization and light weight.

The invention discloses an environmentally friendly anti-fog transparent thermal insulation nano glass coating, which is prepared from the following raw materials in parts by weight: 20 to 21 parts of nano tin antimony oxide, 0.2 to 0.3 part of dispersant SN-5040, 79 to 81 parts of waterborne polyurethane resin, 30 to 35 parts of deionized water, 40 to 50 parts of N,N'-Dimethyl formamide, 20 to 22 parts of 20% sulfuric acid solution, 20 to 22 parts of perfluorooctanoic acid, 3 to 4 parts of methyl methacrylate, 0.1 to 0.2 part of potassium persulfate, 3 to 3.5 parts of isocyanate, 0.7 to 0.9 part of hexadecyl phosphate, 0.1 to 0.2 part of diferrocene acetylene, and 0.7 to 0.8 part of nano sepiolite powder. According to the invention, the nano sepiolite powder is modified by using the hexadecyl phosphate and the diferrocene acetylene, so that the dispersity of the nano sepiolite powder is improved, harmful substances of the coating can be adsorbed to improve the environmental performance, and water molecules can be adsorbed so that the water molecules cannot condense, thus improving the anti-fog performance.

The invention discloses a stereoscopic voltage-reduction-type multipulse autotransformer rectifier, and belongs to the technical field of transformers. The stereoscopic voltage-reduction-type multipulse autotransformer rectifier comprises a transformer body, the transformer body comprises three coils which are stereoscopically distributed in a triangle shape, the surfaces of the coils are coated with epoxy resin insulation layers, and the epoxy resin insulation layers are filled with multiple U-shaped optical fiber light guide bars which are uniformly distributed; a triangular base is connected to the lower ends of the coils, three detection rings matched with the coils are arranged at the side, close to the coils, of the triangular base, a connecting plate is fixedly connected between every two detection rings, and assembly holes are punched in the connecting plates. By means of the stereoscopic voltage-reduction-type multipulse autotransformer rectifier, the resin insulation layers of a transformer can be automatically detected in real time through the light guide property of optical fibers, once the bad phenomena such as creepage and breakage occur, a technicist can be timely informed to conduct maintaining and overhauling, the running safety of the transformer is obviously improved, and the situation that the service life of the transformer body is seriously influenced by insulation breakdown cannot easily occur.

The invention discloses a wear-resistant transparent heat-insulation nano glass coating prepared from the following raw materials in parts by weight: 20-21 parts of nano antimony tin oxide, 0.2-0.3 part of a dispersant SN-5040, 79-81 parts of waterborne polyurethane resin, 30-35 parts of deionized water, 0.5-0.6 part of nano magnesium oxide, 40-50 parts of N,N'-dimethylformamide, 20-22 parts of a 20% sulfuric acid solution, 20-22 parts of perfluorooctanoic acid, 3-4 parts of methyl methacrylate, 0.1-0.2 part of potassium persulfate, 3-3.5 parts of isocyanate, 0.4-0.5 part of zinc stearate, and 0.7-0.9 part of a nano polytetrafluoroethylene micro-powder. Through use of nano magnesium oxide, the ultraviolet light transmittance is reduced, and the aging speed of the coating is retarded; through use of zinc stearate and the nano polytetrafluoroethylene micro-powder, lubrication and wear resistance of a coating film are improved, scratching is prevented, and staining is reduced.

The invention discloses a high-toughness transparent thermal insulation nano glass coating .The high-toughness transparent thermal insulation nano glass coating is prepared from, by weight, 20-21 parts of nano tin antimony oxide, 0.2-0.3 part of a dispersing agent SN-5040, 79-81 parts of waterborne polyurethane resin, 30-35 parts of deionized water, 0.6-0.8 part of cellulose acetate, 40-50 parts of N,N'-dimethyl formamide, 20-22 parts of a 20% sulfuric acid solution, 20-22 parts of perfluoro caprylic acid, 3-4 parts of methyl methacrylate, 0.1-0.2 part of potassium peroxodisulfate, 3-3.5 parts of isocyanate, 1.2-1.3 parts of nano rubber fiber and 0.2-0.3 part of ascorbic acid .The ascorbic acid is used for modifying the nano rubber fiber, the ageing resistance of the nano rubber fiber is improvd, and the dispersity of the nano rubber fiber is further improved, so that the toughness and adhesive force of the coating are improved, and the toughness and mildew resistance of the coating are improved due to the adoption of cellulose acetate .

The invention relates to a pressure finger and contact finger assembly tool, which comprises a support frame with an open end, wherein the open end of the support frame is provided with connecting holes used for being connected with process holes in the end face of a GIL conductor through bolts. The pressure finger and contact finger assembly tool further comprises a push plate used for pushing acontact finger pressing ring and a telescopic mechanism used for driving the push plate to move in a reciprocating manner along an axial direction of the GIL conductor. Compared with an installation mode of clinging to the surface of the conductor, the pressure finger and contact finger assembly tool can prevent damages to the surface of the conductor to affect the insulation performance of the conductor. In addition, the pressure finger and contact finger assembly tool also has good alignment performance, thereby enabling the push plate to accurately pushing the contact finger pressing ring,and ensuring an elastic retaining ring to be not interfered in the installation; direct connection is carried out through the bolts, thereby not only being firm and reliable, but also being very convenient to disassemble; and more importantly, the tool can realize fast assembly of the elastic retaining ring through a simple structure, so that the assembly efficiency is significantly improved, andthe assembly safety is relatively high.

The invention relates to flame-retardant foamed plastic. The plastic is prepared from, by weight, 50-100 parts of acrylonitrile, 30-60 parts of methacrylic acid, 1-5 parts of foaming agent, 0.5-1.5 parts of crosslinking agent, 0.1-0.5 part of flame retardant, 1-5 parts of lubricating agent and 1-5 parts of stabilizer. The plastic has good flame retardance, the thermal deformation temperature, mechanical temperature, electric insulation property and other performance of a prepared product are not influenced, and the plastic has long-term flame retardance and is friendly to the environment and suitable for large-scale production.

The invention discloses nano-indium modified transparent heat-insulating nano glass coating, made from the following materials according to parts by weight: 20-21 parts of nano antimony tin oxide, 0.2-0.3 part of dispersant SN-5040, 79-81 parts of waterborne polyurethane resin, 30-35 parts of deionized water, 40-50 parts of N,N'-dimethylformamide, 20-22 parts of 20% sulfuric acid solution, 20-22 parts of perfluoro caprylic acid, 3-4 parts of methyl methacrylate, 0.1-0.2 part of potassium persulfate, 3-3.5 parts of isocyanate, 0.7-0.9 part of nano-indium, 0.4-0.6 part of 10-undecylenic acid, and 0.4-0.6 part of ferrocenecarboxaldehyde. By using the nano-indium, 10-undecylenic acid and ferrocenecarboxaldehyde in mixture modifying, compatibility of the nano-indium with resin is improved, the nano-indium is dispersed more homogenously, a coating film is clearer, antioxidant performance of the nano-indium is improved, and the nano-indium is protected from affected clarity due to oxidative deterioration.