36results about How to "Insulation safety" patented technology

The invention discloses a high-strength insulation material pantograph which comprises a sliding plate mechanism, a lifting frame, a supporting frame, an under frame, a driving system and an insulated cable, wherein the sliding plate mechanism is a current collection mechanism of an elastic floating-support sliding plate, and can reduce the influence of the engine vibration and the electric network height oscillation on the current collection quality; the lifting frame and/or supporting frame are/is made of a high-strength insulation material, thereby having several times of the electrical insulation property required by the catenary system and needing no support insulators, and the collected current of the sliding plate is transmitted by a special insulated cable; the driving system drives a drive bolt by an automatic gear shifting motor, thereby lifting the pantograph at variable speeds; the insulated cable of the invention is a braided wire cladded by special insulation rubber; and the under frame of the invention is directly fixed on the vehicle top. The invention has the advantages of good current collection quality and safe and reliable insulation, and can be widely used in high speed and high power electric locomotives and motor train units.

The present invention discloses high energy all band infrared radiant heater. It contains square aluminum alloy frame with eudipleural trough in inner wall, infrared radiation reflector adopting ceramic fiber plate arranged in aluminum alloy frame, infrared origin adopting near infrared quartz heating pipe and intermediate far infrared corrugation resistance tape, respectively fit on infrared radiation reflector lower end surface, stainless steel protection network and poriform protection plate respectively fit on bottom and upper part of frame. Compared with current technology, said invention has following advantages 1, its wavelength covering near, intermediate and far three wave band, realizing wavelength and energy mutual matching and short heating starting time, heating up and temperature drop time <= 0.5 minute, 2, adopting high infrared reflectivity ceramic fiber as reflecting plate, reflectivity reaching more than 90 per cent, 3, aluminum alloy frame surface through black ceramics anodization, having unchanged shape, wear resistant, high temperature resistant, and energy collecting surface reflection effect.

The invention provides a novel damping type anti-vibration device comprising a steel wire cable, a hanger spring shock absorber and a gravity concrete foundation, wherein one end of the hanger springshock absorber is installed on the gravity concrete foundation, and the other end of the hanger spring shock absorber is installed at a lowest sag point of the sag of a conductive wire or fixed to a frame of a spacing bar on the conductive wire through the steel wire cable. According to the novel damping type anti-vibration device, the vibration of the conductive wire can be effectively prevented,especially the up and down vibration of the conductive wire can be suppressed, and the device has a simple structure and is suitable for a variety of conductive wires with different split numbers.

The invention provides an electric connector with shielding and self-locking functions applied in a 30kV high-voltage equipment system. The connector comprises a conductor component, an insulation component, a lock catch component and a shielding component. The shape and the structure of the electric connector are circular single-core direct-insertion locking type with a spring, a flange at a socket end can be vertically installed and connected with the outer surface of a device or a cavity, and a plug end is handheld or operated by an instrument to perform plug-in locking; with the maximum external dimension, and the electric connector can be held one hand, and can be plugged and pulled and rotated, and locked and unlocked by both hands; the electric connector has an electromagnetic interference shielding function, the working voltage and current of the electric connector are 30kVd.c., 30A; and the high-voltage insulation test of the electric connector is 50kV for 5mins. The electricconnector can achieve the good circuit contact in a severe environment such as an electromagnetic shielding pollution, is safe and reliable in insulation, continuous and stable in shielding, simple and compact in structure, easy and rapid in operation and convenient to repair and replace.

The invention relates to a method of insulating the operating surface and the inner surface of outer wall of workshop, and relative structure. Wherein, the method comprises: first, preparing the on-site reinforced concrete operating-layer floor (6) to form an air insulating slit (1) between the operating-layer floor (6) and the outer wall; and preparing a layer of cement sand slurry flat layer (2) above the operating-layer floor (6); then plating a layer of waterproof insulating layer (3) at the surface of cement sand slurry flat layer (2); adhering one insulating layer (4) on the surface of waterproof insulating layer (3); at last, adhering a insulating protective surface (5) at the inner side of outer wall. The structure comprises: there is an air insulating slit (1) between the operating-layer floor (6) and the outer wall; a cement sand slurry flat layer (2) between the operating-layer surface (6) and the waterproof insulating layer (3); an insulating layer (4) above the waterproof insulating layer (3); and an insulating protective layer (5) at the inner side of outer wall. The inventive operating layer is insulated and reliable.

The invention relates to a processing method of a novel composite silicone rubber solid insulated busbar. The processing method comprises the following steps: a. Pre-polish the conductive tube to be smooth without tip burrs, then wipe it clean with alcohol, and evenly apply the coupling agent on the conductive tube. On the tube, advance the oven for curve baking; b. Install the baked conductive tube on the tractor on the extruder to extrude silicone rubber. After the extrusion is completed, remove the conductive tube; c. Put the extruded tube The silicone rubber conductive tube is put into the dryer, and the temperature control is set for fluidized drying. After drying, the conductive tube is disassembled; d, making a semi-conductive layer; e, making a metal shielding layer; f, making a grounding layer; g, making a heat-shrinkable tube protective layer. The insulating bus bar of the present invention utilizes solid insulation and interface insulation to realize insulation, and does not need to be inflated at the processing site, and from the perspective of environmental protection, many cumbersome procedures are omitted.

The invention discloses a urinary surgery fumigating device which comprises a sitting plate, a fumigating sitting groove, a flexible net plate, a gas collecting cone pipe spraying nozzle, a sealing pipe sleeve, a gas guide pipe, a fumigating medicine cavity, a thermal insulation layer, a heater, a temperature control chip, a medicine changing opening and closing plug, a storage battery, an alarm,a fumigating switch, armrests, a chair plate, a connecting buckle, an auxiliary support, a folding shaft, a pillow, a shelf, chair legs, universal wheels and wheel locking plates. The armrests are fixedly arranged on the two sides of the sitting plate. Through the cooperative arrangement of the fumigating sitting groove, the gas collecting cone pipe spraying nozzle and the flexible net plate, fumigating gas is powerfully concentrated and directly reaches a fumigating part, the treatment efficiency is improved, and the optimum fumigating effect is achieved; under the effects of the thermal insulation layer and the constant-temperature chip outside the fumigating medicine cavity, safety and thermal insulation are achieved in better cooperation with fumigation; through the folding cooperationof the folding shaft, the connecting buckle and the auxiliary support, the sitting plate and the chair plate are parallel, the sitting and lying duplex fumigating effect is achieved, and the fumigating device is comfortable to use.

The invention discloses a bronze powder-nanometer zinc oxide filling-modified PA6/ABS composite thermal conductive plastic for LEDs and a preparation method thereof. The thermal conductive plastic employs a mixture of PA6 and ABS plastics and has excellent plasticity, durability and electric insulation performance; nanometer zinc oxide and bronze powder are used for thermal conduction modification of the plastics, and the filled composite plastics undergo melt spinning so as to prepare composite short fibers with high thermal conductivity; and conductive filling materials in the obtained composite short fibers are uniformly dispersed and the composite short fibers are more uniformly dispersed and bonded in later mixing and can form a uniform and stable heat transfer network, so the phenomenon of nonuniform heat transfer of plastics in traditional production methods can be improved and the utilization rate of the thermal conductive filling materials can be enhanced. Test results show that the composite thermal conductive plastic has excellent thermal conductivity, UV ageing resistance, insulating performance and safety and can be widely used in the field of heat dissipation of the LEDs.

The invention discloses an adaptor for single-core lines and a coaxial line. The adaptor for the single-core lines and the coaxial line comprises a first insulating flange, a first conductor flange, a first conductor connecting plate, a second insulating flange, a second conductor connecting plate, a second conductor flange and a third insulating flange, wherein the first insulating flange, the first conductor flange, the first conductor connecting plate, the second insulating flange, the second conductor connecting plate, the second conductor flange and the third insulating flange are connected in series onto the coaxial line; a connecting arm of the first conductor connecting plate and a connecting arm of the second conductor connecting plate are located on two opposite sides of the second insulating flange; copper wire bundles of an external braided conductor of the coaxial line are circumferentially dispersed, and further tightly clamped by the first conductor flange and the first conductor connecting plate in an opposite pressing way; copper wire bundles of a center conductor of the coaxial line are circumferentially dispersed, and further tightly clamped by the second conductor flange and the second conductor connecting plate in the opposite pressing way; during working, the current inflows from the external braided conductor of the coaxial line; the current is transmitted to one single-core line through the first conductor connecting plate; and after the loading, the current is transmitted to the second conductor connecting plate by the other single-core line, and further flows back to a power source through the center conductor of the coaxial line.

The invention provides a crude oil tank which comprises an oil tank main body and is characterized in that a plurality of groups of stirring mechanisms are fixedly mounted on the two sides of the bottom end of the oil tank main body at equal intervals; the oil tank is of a closed structure, a plurality of rotating shafts are arranged in the oil tank, and the rotating shafts are in one-to-one correspondence with the stirring mechanisms; stirring wheels are uniformly arranged on the rotating shaft; the rotating shafts extend downwards into the corresponding stirring mechanisms; and the stirringmechanisms drive the rotating shaft to rotate. Aiming at the defects in the prior art, the invention provides the crude oil tank to meet the requirements of crude oil flowing property.

The invention relates to a nano intelligent temp-controlled wall- heating device that comprises insulation material, heat-insulation damp-proof layer, first fire-retardant insulation layer, conducting wire face fabric, second fire-retardant insulation layer and wall decoration layer. The two ends of above-said layers are connected by connection pieces, which can be mounted on the wall to be heated. Advantages: advanced technology, strong operability, sanitary, convenient use, fire-retardant, safety and reliable.

The invention relates to a design and manufacturing method of a power transformer high voltage winding without generating partial discharge. The power transformer high voltage winding comprises a winding framework and a wire. The winding framework comprises an internal shell and a plurality of comb-shaped racks. The wire is sequentially wound in each sub winding embedding groove in a continuous lap taping mode from inside to outside, and N1 sub windings are formed, voltage borne by the sub windings and voltage among sub winding inner turns are limited, the whole winding can meet the condition that partial discharge is not generated, the compact high voltage winding is formed, the economy, safety and power supply reliability of long-term operation of a transformer are improved, the transformer manufacturing quality and production efficiency are improved as well, the comprehensive production and operation cost of the transformer is effectively lowered, and the power transformer high voltage winding has obvious social and economic benefits.

The invention provides a fault rapid detector and a detection method. The fault rapid detector comprises a power supply assembly, an operation indicating lamp and a detection branch. The power supplyassembly comprises a power supply switch for overload protection; the operation indicating lamp is electrically connected with the test branch; the detection branch is electrically connected with theswitching-on branch, the switching-off branch and the energy storage branch; the detection branch comprises a detection indicating lamp and a detection switch connected with the detection indicating lamp in parallel; the resistance value of the detection indicating lamp is not lower than 7/3 times of the resistance value of the detected branch circuit, wherein tested branch is a switching-on branch/switching-off branch/energy storage branch. According to the technical scheme provided by the embodiment of the invention, the on-off state of the detected branch can be directly observed through the indicating lamp, and the detected branch can be controlled to be under-voltage and cannot be started while the on-off state of the detected branch is detected by utilizing a series voltage divisionprinciple; then, the detection switches are closed in sequence, the corresponding detected branches can be controlled to be started in sequence, and when the power switch trips, it can be known that the detected branches are short-circuited.

The invention provides a silicon carbide-polyamide thermal conductive composite material for LED lamps. The composite material is prepared from, by weight, 6-200 parts of polyamide, 20-30 parts of micro-nano silicon carbide whiskers, 3-4 parts of sodium laurate, 3-4 parts of phosphite, 20-30 parts of carbon fibers, 50-60 parts of acetone, 80-100 parts of 60%-70% nitric acid, 3-4 parts of silane coupling agent A-171, 70-80 parts of 1%-3% of acetic acid aqueous solution, 15-20 parts of methylene di-p-phenyl diisocyanate, 20-25 parts of 2-hydroxypropyl methacrylate, 0.4-1 part of catalyst, 0.4-2 parts of polymerization inhibitor, 150-170 parts of tetrahydrofuran, 80-100 parts of methylbenzene and an appropriate amount of deionized water. According to the silicon carbide-polyamide thermal conductive composite material for the LED lamps, silicon carbide which is stable in chemical property, high in thermal conductivity, small in thermal expansion coefficient and good in wear-resisting property is used, and by means of the synergistic effect of silicon carbide and the carbon fibers, the thermal conduction property of the polyamide thermal conductive composite material is enhanced.