64results about How to "Non-conductive" patented technology

A cross arm utility pole guarding device for preventing raptor nesting is described. The device includes housing of non-conductive, non-sticky, preferably clear material, having an ultra violet protective layer with a sloped top to prevent debris from accumulating at the top of the housing. The housing is preferably connected by screwing the sides of the housing into and parallel to the cross arms of the utility pole. The method of preventing raptor nesting is by attaching the housing as stated above, parallel to the cross arms of the utility pole.

Disclosed is an aerial sheave device for the installation and suspension of cable. The aerial sheave device includes a frame and a rotating wheel that coordinates with a locking cable guard. The device also includes a lockable side latch for affording access to the wheel area. The frame may be attached to a utility pole via a loop attached to the frame. The loop attaches to the frame via dome-inside-a-dome connection which allows the frame to also rotate 360 degrees. The dome-inside-a-dome connection includes a solid semispherical dome attached to the loop which fits inside a slightly larger semispherical dome shaped cavity of the frame.

The invention discloses a railway foreign body line invading monitoring and relates to a protective screening monitoring system which comprises a protective screening information collection system, a protective screening information analysis system and an alarming system. When the protective screening information analysis system confirms that a protective screening is broken and / or a dangerous degree is achieved, the alarming system sends an alarming signal and / or intelligence information in one mode or a plurality of modes.

The invention provides water-based metallic paint with a rustproof function for outer wall painting. The water-based metallic paint comprises the following components in parts by weight: 40-60% of silicone resin emulsion, 1-2% of film-forming agent, 10-20% of pearl pigment, 0.5-1% of flash-rust inhibitor, 0.3-0.6% of dispersant, 0.2-0.4% of wetting agent, 0.2-0.5% of defoaming agent, 0.3-1.0% of thickener, 0-5% of extinction powder and 25-35% of deionized water, wherein the silicone resin emulsion is water dilution type pure silicone resin emulsion, and the flash-rust inhibitor is modified zinc chelate. The water-based metallic paint provided by the invention has the advantages that the pure silicone resin emulsion is used as a film-forming agent, and meanwhile, the modified zinc chelate is added to the metallic paint and serves as the flash-rust inhibitor, so that a paint film has a good rustproof property, good stain resistance weather resistance and a very good decoration effect on outer walls and prolongs the service life of the walls relatively well. The invention aslo provides a preparation method with the rustproof function for the outer walls.

The invention provides a blended yarn of acrylic fiber, kapok fiber and cuprammonuium, which comprises the components in parts by weight: 45-55 parts of acrylic fiber, 25-35 parts of kapok fiber and 15-25 parts of cuprammonuium. The blended yarn of the acrylic fiber, the kapok fiber and the cuprammonuium is complementary in characteristics and exerts the advantages of the acrylic fiber, the kapok fiber and the cuprammonuium.

The invention relates to a monitoring system for debris flow disasters along railway tracks. The alarm system comprises a debris flow information acquisition system, a debris flow information analysis system and an alarm system. Alarm signals and / or intelligence information are / is emitted in one or more modes under the condition that the debris flow information analysis system determines occurrence of debris flow and / or grades of debris flow disasters.

The invention discloses a nanostructure composite LED (Light Emitting Diode) ceramic substrate and a manufacturing method thereof. The key steps of the manufacturing method are as follows: aluminum oxide with the purity of over 95% is taken as a primary ingredient, zinc oxide and magnesium oxide, which form semiconducting electronic ceramics of a particle boundary layer, are taken as secondary ingredients, and additionally, rare-earth elements and nano inorganic polymers, which can be used for improving the conductivity, electron mobility, intercalation and doping of the composite ceramic particle boundary layer, are taken as microscale ingredients; during manufacturing, pure water is taken as proportioning water; and the nanostructure composite LED ceramic substrate manufactured through a series of procedures and specific processes has the characteristics of nonconducting performance, antistatic performance, electromagnetic interference resistance, 0% of water immersion, longitudinal heat conductivity higher than transverse heat conductivity, two excellent heat dissipating modes, i.e., heat conduction and infrared radiation, and the like, has no any toxic components, and is environmentally-friendly, safe and especially suitable for being used as a high-power LED substrate.

This invention involves the chemical engineering and the surface processing technique fields .The invention provided a kind of steel rail that keeps subway from fan to flow to decay, the strength of insulating is 45.0V / mm-103.4V / mm; The specific resistance is 6.7*1013omega .cm- 5.8*1015omega .cm. The steel rail is made through putting on insulate coating and antisepsis eclipse coating outside it. The invention of steal rail's produce craft is simple and operating is simple too, The steal rail's surface layer from producing can cut off the leak that lead electric current lies in the subway circuit ,resolving the problem of dying decay, having a good market foreground.

The invention relates to a fuel cell membrane electrode interface structure characterization sample processing method, comprising the following steps of (1) placing a membrane electrode sample in a sealable sample cartridge; (2) placing the sample cartridge in a reaction vessel, sealing and vacuumizing the reaction vessel to an absolute pressure of 1.3-12 Pa for standing for 5-10 min; (3) inputting a liquid resin into the reaction vessel, wherein the input amount of the liquid resin is such that the membrane electrode sample is completely immersed in the liquid resin; (4) carrying out vacuum release, pressurizing the reaction vessel to 0.5-1.5 MPa for 30-60 min; (5) releasing the pressure of the reaction vessel to keep the resin in the sample cartridge; and (6) placing the sample cartridgein a high temperature environment to cure the resin, cutting the membrane electrode sample, smoothing the fracture surface, and observing by scanning electron microscopy. Compared with the prior art,the invention has the advantages of simple method, accurate structure and the like.

The invention relates to bumper paint with a silver powder effect and no shielding effect on an automobile radar and a preparation method of the bumper paint. The bumper paint is prepared from the following raw materials in parts by weight: 18-28 parts of wax assistant, 6-9 parts of acrylic resin, 2-5 parts of modified polyester, 5-6 parts of amino rheological agent, 40-45 parts of cellulose acetate, 0.2-0.5 parts of flatting agent, 8-10 parts of solvent, 6-9 parts of mica sheet and 0.2-0.5 parts of dispersant. Compared with the prior art, the paint adopts the special mica sheet with the silver powder effect as a pigment and shows various delicate, soft and glittering silver lusters through light reflection and transmission; at the same time, since the raw material is from the pure naturalmica sheet, the special mica sheet has the characteristics of no toxicity, high temperature resistance, acid-base resistance, light resistance, non-conductivity and the like and can completely replace an metal aluminum powder pigment; and the paint has no shielding effect on the automobile radar and can be directly applied to a bumper.

The invention discloses a cooling system of a server cabinet. The cooling system of the server cabinet comprises a cold water distribution control unit, a water division and collection device, a second cooler and a server cooling circuit; the cold water distribution control unit comprises a first cooler and a first water pump; the water division and collection device comprises a water divider and a water collector; the cooled medium pipeline side of the first cooler, the first water pump, the water divider, the water collector, the cooling medium pipeline side of the second cooler are connected through a pipeline to form a first circular pipeline; the cooled medium pipeline side of the second cooler and the server cooling circuit are connected through a pipeline to form a second circular pipeline; the cooling medium in the second circular pipeline is electronic fluoride liquid; and the cooling medium pipeline side of the first cooler is connected with a cooling medium source. The cooling system of the server cabinet is high in cooling efficiency, reduces damage risk of a terminal device inside the cabinet and improves the reliability of the whole cabinet system.

The invention discloses an electronic communication device with a metal shell and a processing method of the metal shell. The objective of the invention is to make the surface of an electronic communication device has an overall metal texture under the premise that antenna performance is not affected. The electronic communication device comprises the metal shell and a first non-conductive layer; the metal shell includes an insulation separation portion and a plurality of metal portions which are separated by the insulation separation portion; the first non-conductive layer is arranged at the outer surface of the insulation separation portion; and the first non-conductive layer includes an non-conductive layer which is formed by performing electrical conductivity-removing treatment on a first metal layer which is plated on the outer surface of the insulation separation portion. With the above technical schemes of the invention adopted, the surface of the electronic communication device has an overall metal texture under the premise that antenna performance is not affected.

The invention provides a preparation method of paper with magnetic characteristics, in particular to the paper with the magnetic characteristics, which is prepared by filling magnetic inorganic materials into the cell cavities of paper pulp fibers. The preparation method comprises the following steps of: firstly, smelting boron oxide, aluminum oxide, silicon oxide rare metal oxide and the like serving as raw materials at a high temperature to prepare magnetic inorganic material grains; and then, by utilizing a papermaking process, filling the magnetic inorganic material grains into cell cavities so as to prepare the paper with the magnetic characteristics. The paper prepared by the invention belongs to a renewable resource and has the magnetic characteristics including magnetic responding, magnetic recording and the like, so that the paper can be applied to special paper products needing special identification, such as invoice paper, packaging paper and handwriting paper. In the paper preparation process, special equipment is not needed, the operation is simple and the industrial production is easy to realize; and the magnetism is permanent so that the paper is not easy to degauss and cannot be counterfeited easily.

The invention discloses a novel automotive front and rear wall, and relates to the technical field of automobiles. The novel automotive front and rear wall comprises reinforcement layers (1) and resin layers (2). Five layers including the reinforcement layer (1), the resin layer (2), the reinforcement layer (1), the resin layer (2) and the reinforcement layer (1) are sequentially arranged from the outermost layer to the innermost layer of the novel automotive front and rear wall. Compared with an existing automotive front and rear wall made of ordinary glass fiber reinforced plastic materials, the novel automotive front and rear wall has the advantages that the novel automotive front and rear wall is high in strength, is light, non-conducting and corrosion-resistant and is difficult to deform and break under low impact, and the like.

A washing and centrifugally dewatering machine with transverse drive for mop is composed of a washing pail with water inlet and water outlet, a pair of the drive plate installed to the rotational axle of mop and the drive fork installed in said washing pail, which are engaged for driving the mop to rotate, a power unit with an output shaft connected to said drive fork, and a pair of supporting frames with the jamming hold for fastening the mop.

The invention relates to a decorative slab for whole house decoration, which is prepared from, by weight, 35-42 parts of wooden powder, 30-35 parts of polyvinyl chloride, 18-21 parts of light calciumpowder, 4-7 parts of heavy calcium powder, 2-3 parts of foaming adjusting agent, 1.5-2 parts of stabilizing agent, and 1-1.5 parts of additive. The slab manufactured by the formula is flame-retarding,acid and alkali resistant, heat resisting, wear resisting, crush resisting, waterproof and moistureproof, oil stain resisting, and has good processing performance and suitable softness; the slab is used for manufacturing ceiling, wall slab, floor, skirting line, furniture board, kitchen and bath boards; through 3D printing and film spraying and drying treatment, the decorative pictures of large,medium and small wall bodies can be manufactured, the whole house decoration is realized; the slab can be customized upon actual house dimension, the wall face is not required to treat during the decoration, thus no decoration residue generates; the slab can completely replace cement putty and waterproof coating to brush wall face, gypsum ceiling, solid wood floor, sandwich board, composite floor,wall face tile, and others; the decoration process is simple, a lot of labor forces are saved, the decoration cost is saved; the decorative slab is the extremely promising new building material at present and will become the first choice of the decoration material.

The invention discloses a high-intensity light-weight underwater vehicle composite material installation plate comprising embedded parts and a composite material plate, wherein the embedded parts and the composite material plate are prepared by using an integral once-forming method; each embedded part is a hexagonal frame, a rectangular frame or a lightened rectangular frame type embedded threaded part; the composite material plate is a laminate or a coreboard, a lightening hole is formed in the center of the composite material plate, a plurality of through holes are formed in the composite material plate, and the through holes are used for being cooperatively connected with the embedded parts via stainless steel threaded parts and titanium alloy threaded parts. According to the underwater vehicle composite material installation plate provided by the invention, the structure weight is reduced by 17% during a sample period; compared with the operation of embedding wire thread inserts by drilling holes in a metal plate, the composite material plate threaded part interfaces adopt embedded structures, so that the composite material installation plate is good in integrality, stable in technology and higher in intensity; and the composite material plate has the advantages of being non-conductive and resistant to corrosion.

The invention discloses an environmentally-friendly water-based wood sealer. The environmentally-friendly water-based wood sealer comprises a component A and a component B according to a weight ratioof 5-8. A preparation method of the environmentally-friendly water-based wood sealer comprises: (1) preparation of a component A solution: adding an aqueous acrylic resin emulsion into a container, and orderly adding a filler, a wetting agent, an anti-bleeding aid, an anti-settling agent and a defoamer into the container under the condition of medium-speed stirring, (2) preparation of a componentB solution: slowly adding tung oil into an alcohol solution under high-speed stirring, carrying out homogenization, and slowly adding the uniform solution into water containing a dispersant, (3) slowaddition of the B component solution into the component A solution under high-speed stirring and uniform mixing and (4) filtration with a filter net of 200 meshes. The preparation method is simple. The environmentally-friendly water-based wood sealer is environmentally friendly, safe and healthy, and has anti-corrosion and anti-bleeding ability.

The invention discloses a converter valve component, a converter valve and an external insulation test method of the converter valve. The converter valve component is assembled in the converter valveand used for simulating a thyristor in the converter valve, and the converter valve component comprises a first shell, an insulating cushion block and a second shell, wherein the first shell and the second shell are connected to form a closed space; and the insulating cushion block is fixed in the closed space. According to the invention, a silicon wafer of the thyristor is replaced by the insulating cushion block; the converter valve component for simulating the real thyristor in the converter valve is assembled in the converter valve to realize the external insulation test of the converter valve; and the insulation cushion block is non-conductive, so that in the external insulation test process of the converter valve, the thyristor is prevented from being broken down and damaged due to the application of over-high voltage.

The invention discloses a novel automotive front and rear wall, and relates to the technical field of automobiles. The novel automotive front and rear wall comprises reinforcement layers (1) and resin layers (2). The five layers including the reinforcement layer (1), the resin layer (2), the reinforcement layer (1), the resin layer (2) and the reinforcement layer (1) are sequentially arranged from the outermost layer to the innermost layer of the novel automotive front and rear wall. The novel automotive front and rear wall has the advantages that the novel automotive front and rear wall is high in strength as compared with an automotive front and rear wall which is made of common glass fiber reinforced plastic materials, is light, non-conducting and corrosion-resistant, and is difficult to deform and break under the condition of low impact, and the like.

The invention relates to a single point incremental forming hot air heating working table and a using method thereof, and belongs to the technical field of novel metal material processing. The singlepoint incremental forming hot air heating working table includes a base plate, wherein a supporting tube is arranged on the base plate, a supporting plate extending outwards is arranged on the circumferential part of the upper end of the supporting tube, a fixing plate provided with a mounting through opening is arranged on the supporting plate, a side edge air-out frame plate mounted on the supporting plate and used for supporting blank materials is arranged in the mounting through opening, a material pressing mechanism matched with the side air-out frame plate for pressing the blank materials is arranged on the upper side of the side air-out frame plate, a heating cavity is formed in the supporting tube, the lower part of the heating cavity is connected with a vent pipe, the vent pipe isinternally provided with a heating system and connected with a temperature control system, and a heat insulation structure is further arranged in the supporting tube. According to the single point incremental forming hot air heating system working table, cold air is blown in through an air blower, the air is heated by an electric resistance wire, heat exchange of panel veneers and the hot air isachieved, and the forming limit and forming precision in the process of forming are improved.

The invention discloses an ethanedithiol modified nano molybdenum disulfide for modifying a polysulfide sealant and a modification method thereof. The ethanedithiol modified nano molybdenum disulfideis sulfhydrylation nano molybdenum disulfide obtained by performing sulfhydrylation modification on ethanedithiol at a sulfur atom deletion site of lamellar molybdenum disulfide. The ethanedithiol modified nano molybdenum disulfide disclosed by the invention, as a reinforcing agent of the polysulfide sealant, is added to the raw material system of the polysulfide sealant so as to modify the polysulfide rubber in the raw material system, thus the mechanical property of the polysulfide sealant can be improved without destroying the insulation property.

The invention relates to a single railing body. The single railing body comprises an integrated stand column, wherein upper cross rods are integrally connected to the top end of the integrated stand column; a U-shaped connector is pre-buried in the bottom end of the integrated stand column; one end of each upper cross rod is a first connecting end, the other end of each upper cross rod is a secondconnecting end; and the first connecting end of one upper cross rod can be matched with the second connecting end of the other upper cross rod. The invention further provides a construction method ofa novel railing assembly type stair railing. The single railing body is simple in structure and convenient to use, factory prefabrication and on-site assembly are adopted, a welding machine gas cylinder and a grinding tool do not need to be used, and connection and mounting can be achieved only through assembly, and assembly is completed. The surface of the stair railing can be subjected to various treatment modes such as spraying and coating and oxidation, the surface color is diversified, the texture is high, and the defects of the market are overcome. The joints are connected through connecting pieces, the defect that a vertical pipe and a main pipe in a stainless steel handrail need to be connected through a manual grinding process can be overcome, and connection and mounting can be completed through assembly and bolts.

The invention discloses water-based environment-friendly gold powder paint and a preparation method thereof, and belongs to the technical field of paint. The paint comprises a fluorocarbon emulsion, acoalescing agent, an antifreezing agent, a dispersing agent, a wetting agent, an antifoaming agent, a pH regulator, an antiseptic bactericide, a functional pigment, an anti-settling thickener and water. The gold powder paint disclosed by the invention has the advantages of being good in flashing effect, strong in adhesive force, high in hardness, good in toughness, resistant to acids and alkalis,resistant to yellowing, excellent in weather resistance and short in drying time, common problems such as bubbles and particles are not easy to occur, a paint film is smooth and fine, meanwhile, extremely low VOC (volatile organic compounds), heavy metals and the like are in an undetected range, and the product is healthy, environment-friendly, non-toxic and tasteless, can keep a flashing effectfor a long time, has a lasting decorative effect, is suitable for industries such as petroleum, metallurgy, chemical engineering, electric power, trains, automobiles, ships, bridges, machine manufacturing, hardware and electrical equipment, municipal engineering, buildings, decoration, furniture and leather, and has an excellent decorative effect and base material protection.

The invention discloses an IGBT chip bonding area microstructure evolution characterization method. The method comprises the following steps: S1, obtaining a sample: preprocessing an IGBT module to obtain the sample; s2, preparing a sample to be etched: mounting the sample on an automatic grinding and polishing clamp, and then grinding the sample to obtain the sample to be etched; and S3, obtaining an etched sample to be characterized: determining a target area of the etched sample to be characterized. According to the invention, the method of etching the bonding area by using the focused ion beam is adopted for sample preparation, so that the EBSD acquisition efficiency is improved, the EBSD image without drift stretching is obtained, and the microstructure of the bonding area is effectively represented; meanwhile, the problems of signal drifting, image distortion and the like caused by the fact that epoxy resin is not conductive and exposed metal parts in devices are reduced in a traditional sample preparation method are solved. In addition, the automatic grinding and polishing clamp is arranged to fix the sample, and the surface flatness and the surface neatness effect of the ground and polished sample are improved.

The invention discloses an automatic umbrella, which comprises an umbrella rod, an umbrella handle, an upper disc, long ribs and an umbrella surface, wherein the lower section of the umbrella rod is provided with an umbrella unfolding press button, an umbrella unfolding press key and a lower leaf spring, the lower end of the umbrella rod is connected with the umbrella handle, the upper disc is fixedly sheathed on the upper section of the umbrella rod, the inner ends of the long ribs are pivoted on the upper disc, the umbrella surface is supported on the long ribs, the upper end of the umbrella rod passes through and connects the umbrella surface and is fixedly sheathed with an umbrella cap, wherein a middle disc, a sheathing element, an umbrella unfolding compression spring and a lower disc are sheathed and connected on the umbrella rod under the upper disc from top to bottom, the automatic umbrella also comprises support ribs and pull ribs, the outer ends of the support ribs are pivoted on the middle sections of the long ribs, the outer ends of the pull ribs are connected with the middle sections of the support ribs, the inner ends of the support ribs are pivoted with the sheathing element, the inner ends of the pull ribs are pivoted with the lower disc, an umbrella unfolding stretching spring is connected between the lower disc and the middle section position of the support ribs, and all of the umbrella handle, the umbrella rod, the upper disc, the middle disc, the lower disc, the long ribs, the support ribs, the pull ribs, the sheathing element, the umbrella unfolding press button, the umbrella unfolding press key and the umbrella cap are made of fiber glass materials. The framework structure of the invention is simple and firm, all main components adopt the fiber glass materials, and the invention has the advantages of firmness, rust resistance, inconductivity and no deformation.

The invention discloses an extinguishing method special for high-voltage switch cabinets. The method comprises the following steps that the high-voltage switch cabinets of a high-voltage substation are numbered in sequence according to positions and are divided into an overground high-voltage switch cabinet area, an adjacent cabinet body bottom cable channel area and an underground cable area; three clean gas extinguishing spray devices are installed on each high-voltage switch cabinet; when the temperature inside the cabinets reaches a first critical value, a temperature detector inside a certain cabinet triggers an alarm, and the corresponding clean gas extinguishing spray device is started; and when the temperature inside the cabinets reaches a second critical value, the corresponding three clean gas extinguishing spray devices are directly started and the alarm is started, and the spaces inside the cabinets, cables and cable channels at the bottoms of the adjacent cabinets are subjected to spray extinguishing. According to the method, the high-voltage indoor cabinets are numbered, the positions and adjacent information are recorded, network structural extinguishing is achieved,the fire behavior is controlled, and the method has the characteristics that starting is fast, and the extinguishing time is short.

The invention discloses a composite board structure. The composite board structure is formed by a fiber reinforced polymer / plastic layer and a wood layer through a mould pressing technology. Each basic unit of the composite board structure comprises an FRP (fiber reinforced polymer / plastic) sheet or lump and a flaky solid wood. The composite board structure can be formed into various shapes and can serve as a construction dale. In one embodiment, the composite board structure can be applied to surface boards of a heating floor and is attractive, high in mechanical strength, waterproof, light but hard, non-conducting and resistant to corrosion; being free from glue, the composite board structure cannot produce glue volatile substances due to high temperature during use, and accordingly good environmental friendliness is achieved. In the other embodiment, the composite board structure can be also applied to surface boards of a water heating floor, so that the environmental pollution problem that traditional glued wood boards are heated to enable a glued floor to produce organic solvent volatilization can be avoided.

The invention discloses a holothurian-culturing-cage protecting cover and a making method thereof, and relates to the technical field of holothurian culturing tool making. The making method includes the steps that moso bamboos, nylon yarns, fruits of cubeb litsea trees and China wood oil serve as main raw materials and are subjected to braided rope preparing, colloid preparing, permeating, drying and weaving. According to the holothurian-culturing-cage protecting cover and the making method, the moso bamboos, the nylon yarns, the fruits of cubeb litsea trees and the China wood oil serve as the main raw materials, braided ropes prepared from the moso bamboos and the nylon yarns are placed into colloid decocted by the China wood oil and the fruits of cubeb litsea trees for permeation, and effective ingredients in the China wood oil and the fruits of cubeb litsea trees are well adsorbed to the braided ropes and fixed into the braided ropes through drying; as the unique characteristics of the China wood oil are combined with the peculiar smell of the fruits of cubeb litsea trees, the made protecting cover is long in service life and easy to operate, shellfish organisms can be effectively prevented from being attached to idle culturing-cage walls, and the defect that time and labor are wasted when culturing cages are cleaned is overcome.