44results about How to "Fully insulated" patented technology

An insulated clamp for securing a pipe to a conventional C-channel including first and second portions each having a recess associated therewith for receiving a portion of a pipe to be positioned therebetween, the first portion including a pair of flanges receivable within the C-channel, an expansion device positioned between the pair of flanges for moving the flanges into engagement with the C-channel, and a coupling mechanism for attaching the first and second portions to each other. The coupling mechanism is engageable with the expansion device to move the pair of flanges into their engaged position with the C-channel when the first and second clamp portions are attached to each other.

The invention particularly relates to a visualized experimental device for CHF research in a bidirectionally visible rectangular narrow channel, belonging to the field of flow boiling visualization research. The experimental device comprises fastening bolts, a graphite gasket, flanges, a heating plate, a wide-side quartz glass, a wide-sided bearing plate, a fluoro rubber gasket, a narrow-sided quartz glass, a narrow-sided bearing plate, a housing, a substrate, and a support column. The experimental device used in the invention is all quartz glass on three sides, therefore, the behaviors of generation, aggregation, growth and detachment of bubbles on the heating surface can be observed from the side, and parameters such as a bubble layer and liquid film thickness can be measured; the heating plate is slightly narrower than the base, therefore, the rectangular flow channel corner effect is avoided; the heating plate is shorter in axial direction than the substrate, therefore, the inlet and outlet effect is eliminated; the substrate is made of insulating ceramic material, so that the heating plate is completely insulated from other parts of the experimental section; three support columns are welded on the heating plate and fixed to the substrate, so as to avoid expansion deformation of the heating plate at high temperature; and the flow path gap can be changed by changing the thickness of the gasket between the wide-side quartz glass and the housing.

The invention discloses an electrolytic cell for preparing hydrogen-rich water. The electrolytic cell comprises a negative plate, a negative electrode frame, a proton exchange membrane, a positive electrode frame, a positive plate, a negative current collector and a positive current collector, wherein two sides of the proton exchange membrane are respectively coated with a hydrogen evolution catalyst and an oxygen evolution catalyst; the negative electrode frame and the positive electrode frame are of annular structures, are coaxially arranged on two sides of the proton exchange membrane and are used for clamping the proton exchange membrane; the negative current collector is nested in the negative electrode frame, and the positive current collector is nested in the positive electrode frame; a cavity between the negative plate and the positive plate is divided into a negative electrolysis chamber and a positive electrolysis chamber by the proton exchange membrane; a negative electrodewater inlet and a negative electrode water outlet are formed in the negative plate and are respectively used for inputting pure water into the negative electrolysis chamber and outputting hydrogen-rich water; and the positive plate is provided with an positive electrode water inlet and an positive electrode water outlet which are respectively used for inputting pure water and outputting oxygen-containing water into the positive electrolysis chamber.

The invention discloses an all-insulated outdoor ejection type fuse, which relates to the fuses of overhead insulated lines. The all-insulated outdoor ejection type fuse is composed of a first core body (A), a second core body (B) and auxiliary parts (C). For the fuse, the whole fuse is externally coated by insulating materials, and the fuse is insulated from the outside, so that the overhead insulated lines can realize real all-insulated state; upper and lower wiring terminals, upper and lower contacts, a fuse carrier and the like of the fuse are all insulated from the outside, so that accidents of electric discharge to external objects, such as tree branches and the like, caused by exposure of electrical parts of the fuse are avoided; when the fuse is in over-current situation, a fuse wire fuses, one part of the fuse is obviously separated from the main body, and an obvious disconnection point for line repair is ensured; and the all-insulated outdoor ejection type fuse can be a substitution product for realizing the miniaturization and the maintenance-free property of a high-voltage drop type fuse.

In a conditioning system for a manufacturing machine, in particular a machine tool, a machine tool framework is arranged inside a sealed casing. Ducts are arranged at machine tool regions to be thermally conditioned. The ducts comprise air flow outlets and are coupled to a conditioned air delivery manifold supplied by a conditioning device. Solenoid valves are provided at the outlets to control air flow.

The invention discloses a novel thermal-insulation metal material and a preparation method thereof. The novel thermal-insulation metal material comprises a first thermal-insulation layer, a second thermal-insulation layer and a metal material layer bonded between the first thermal-insulation layer and the second thermal-insulation layer, wherein the first thermal-insulation layer is an aluminum plated polyester film, and the second thermal-insulation layer is asbestos fiber. All elements added into the metal material layer are as follows in parts by weight: 30 to 40 parts of Al, 6 to 10 parts of Cu, 2 to 4 parts of Fe, 2 to 6 parts of Ti, 1 to 3 parts of Cr, 1 to 5 parts of Ni, 1 to 3 parts of C, 1 to 2 parts of Mo and unavoidable impurities. According to the novel thermal-insulation metal material, the metal material layer is wrapped by the first thermal-insulation layer and the second thermal-insulation layer; thus, a high temperature can be insulated completely, and the novel thermal-insulation metal material is good in thermal-insulation performance. Furthermore, the novel thermal-insulation material is simple in preparation technology and low in cost, and the thermal-insulation performance of the metal material is further improved by warming and heating the main metal raw materials before fusion and pouring.

An insulated clamp for securing a pipe to a conventional C-channel including first and second portions each having a recess associated therewith for receiving a portion of a pipe to be positioned therebetween, the first portion including a pair of flanges receivable within the C-channel, an expansion device positioned between the pair of flanges for moving the flanges into engagement with the C-channel, and a coupling mechanism for attaching the first and second portions to each other. The coupling mechanism is engageable with the expansion device to move the pair of flanges into their engaged position with the C-channel when the first and second clamp portions are attached to each other.

The invention discloses a thermal insulation metal composite, and relates to the technical field of metal materials. The thermal insulation metal composite comprises a metal composite layer and a thermal insulation layer; the metal composite layer is prepared from 20-30 parts of Al, 10-20 parts Ni, 20-30 parts of TiC, 5-10 parts of W, 3-5 parts of Cr, 2-5 parts of Co, 5-10 parts of Cu, 10-15 partsof Fe, 1-2 parts of Mo, 3-5 parts of NiCr and 1-3 parts of Cr3C2. The thermal insulation layer is a glass fiber material layer and a polyimide layer, and the glass fiber material is arranged betweenthe polyimide layer and the metal composite layer. The thermal insulation metal composite has the advantages that by arranging the thermal insulation layer, comprehensive isolation of high temperaturecan be achieved, the good thermal insulation performance, durability and non-stickiness are achieved, the high-temperature materials are not adhered, and the strength, tenacity and corrosion resistance of the composite are greatly improved.

The invention provides a transformer with a built-in cabin used for wind power generation, comprising an oil tank, an iron core, a three phase winding, an externally-introduced joint and an insulating system. The transformer with a built-in cabin used for wind power generation is characterized in that the transformer body is of a horizontal type; the iron core is a three-phase five-column iron core structure which is arranged in a horizontal type; the inner layer of the three phase winding is a low-voltage cylindrical winding which is used for paving oil passage stays after winding is completed, and then the high-voltage winding is wound simultaneously; the case of the oil tank is a frame which is formed by bent thick steel plates; the case of the oil tank is externally welded with rippleplates, is sealed by adhesive tapes together with the case cover; the externally-introduced joint is an elbow-type cable terminal plug-in connector; and the insulating system is a solid-liquid mixinginsulating system. The invention changes the structure of the current wind power generation transformer to meet the use requirement of the built-in cabin for wind power generation; and the invention is characterized by full insulation, full sealing, stable electric property, good mechanical performance, good weather resistance, convenient and reliable connection, dampproof and dustproof properties.

The invention provides a battery protection structure, a battery pack and an electric vehicle. The battery protection structure is applied to the battery pack, and the battery pack comprises a plurality of batteries and a cooling assembly; the battery protection structure comprises a blocking part and a heat dissipation part, the blocking part is used for blocking heat generated when the battery runs, and when the temperature reaches a set temperature interval, the material of the blocking part is subjected to chemical reaction to increase the equivalent heat capacity of the blocking part; and the heat dissipation part is in heat conduction connection with the cooling assembly, the heat dissipation part has anisotropic thermal characteristics, the in-plane equivalent thermal conductivity of the heat dissipation part is larger than 200 W / mK, and the in-plane equivalent thermal conductivity is 10 times or more of the thickness-direction equivalent thermal conductivity. According to the battery protection structure provided by the invention, when the battery runs to generate heat, the heat dissipation part quickly transmits part of heat to the cooling assembly, and the barrier part can increase and absorb part of heat through equivalent heat capacity, so that the total heat insulation amount of the barrier part is reduced, the heat insulation performance of the barrier part is improved, and the safety of the power battery is improved.

The invention discloses a method for preparing a low-loss heat-free aging iron powder core. By adding a high-temperature-resistant inorganic insulating agent and a high-temperature-resistant binder, in conjunction with a suitable insulating coating method, and through compression molding and high-temperature annealing processes, the The iron powder core magnetic core maintains the original magnetic properties at 200°C and 10,000 hours, and has no thermal aging phenomenon, which solves the thermal aging problem of ordinary iron powder cores. At the same time, the core loss is about 50% of ordinary iron powder cores. In the case of 100kHz and 100mT, the core loss is around 2000mw / cm3.

The invention provides a solid insulation ring main unit. The solid insulation ring main unit comprises a cabinet body, an operation panel, a top-end bus interface, a sealed isolation room, a solid-sealed polar pole and a fuse wire barrel; the solid-sealed polar pole and the fuse wire barrel are arranged in the sealed isolation room; and the fuse wire barrel is arranged in the horizontal direction so as to bring convenience to replacement of the fuse wire barrel. A front bearing frame in the fuse wire barrel comprises a base; a tulip contact is arranged at the interior of the base; a stressed spring is arranged at the periphery of the tulip contact; a rear support frame in the fuse wire barrel comprises a base; a C-shaped socket is arranged at the interior of the base; a stressed elastic sheet is arranged at the periphery of the C-shaped socket; the base is a silica gel insulating sleeve; the fuse wire barrel has such the structural design that can efficiently reduce generation of partial discharge and also can efficiently prevent moisture from entering the fuse wire barrel, so that the safety of long-term operation is improved. In addition, the solid insulation ring main unit provided by the invention has the advantages of being fully insulated, long in service life, free for maintenance, small in occupied space, safe and reliable, unaffected by the environment and the like.

The invention relates to a holding device for fastening a cast resin transformer winding relative to a transformer core having a support element and a receiving element attached to a tie rod. By fastening the support element to the receiving element attached to the tie rod, a cast resin transformer winding can be fixed rigidly and precisely centered relative to a transformer core. By attaching the receiving element directly on the tie rod, circulation in the lower region of the cast resin transformer winding or of an insulating cylinder also attached to the support element is ensured and thereby the thermal properties of a cast resin transformer winding produced in this way are improved. Furthermore a modular and thus simple design of the cast resin transformer is possible due to the possibility of connecting the receiving element to the tie rod by way of the support element.

The invention relates to a novel SF6 insulated vacuum load switch cabinet. A fully-sealed air tank is installed in the upper rear part of a cabinet body. Solid-sealed polar poles are installed in the middle of the cabinet body. An isolating knife switch component and a bus connection static contact are installed above each solid-sealed polar pole. A grounding switch is installed at the bottom of the air tank. An outlet casing is installed on the lower front plate of the air tank. A current transformer sleeves the outlet casing. The outer middle of the front plate of the air tank is equipped with an electromagnetic spring mechanism which is used for controlling series asynchronous linkage between the solid-sealed polar poles and the isolating knife switch components. The invention provides an SF6 insulated vacuum load switch cabinet which has the advantages of simple structure, small size, stable insulation performance, long service life and low manufacturing cost.

The invention provides a fireproof smoke-proof armored door. The armored door comprises a door sheet and a doorframe. One side of the door sheet is hinged with the doorframe; the door sheet comprisesa fireproof door core, a decorative back plate covering the back side of the fireproof door core, and a decorative face plate covering the front side of the fireproof door core; the edges of the backside of the door sheet is covered with a first edge profile which is provided with a first edge covering the position of the fireproof door core on the side face of the door sheet; the first edge is provided with a smoke-proof sealing strip; the smoke-proof sealing strip is provided with an exposed elastic edge; the edge of the front side of the door sheet is covered with a second edge profile which is provided with a second edge covering the position of the fireproof door core on the side face of the door sheet; the second edge is provided with an expanded sealing strip; and a gap is betweenthe first edge and the second edge. The armored door adopts a disconnected type edging design, disconnected thermal insulation effect is realized while the intensity of the door sheet is enhanced, aninstallation gap can be effectively sealed via application of the smoke-proof sealing strip, and flue gas is prevented from invading.

The invention discloses an insulation threshold device of an urban rail transit platform door system. The insulation threshold device comprises a platform side step plate (1), a platform side insulation isolation plate (3), a platform side threshold base plate (5), a rail side step plate (2), a rail side insulation isolation plate (4) and a rail side threshold base plate (6), wherein the platformside step plate (1), the platform side insulation isolation plate (3), and the platform side threshold base plate (5) are connected together through first screws and nuts and the rail side step plate(2), the rail side insulation isolation plate (4) and the rail side threshold base plate (6)are connected together through second screws and nuts. The platform side threshold base plate (5) is insulated and isolated from the platform side step plate (1) through the platform side insulation isolation plate (3), and an insulation sleeve (7) is arranged at the joint of the platform side threshold base plate (5), the platform side insulation isolation plate (3) and the platform side step plate (1) to completely insulate the outer surface of a platform threshold; the rail side threshold base plate(6) is insulated and isolated from the rail side step plate (2) through the rail side insulation isolation plate (4), and the insulation sleeve (7) is also arranged at the joint of the rail side threshold base plate (6), the rail side step plate (2) and the rail side insulation isolation plate (4), so that the outer surface of the rail threshold is completely insulated and the insulation thresholddevice has a self-insulation function.

The invention discloses a polypropylene thin film capacitor applicable to surface mounting. The polypropylene thin film capacitor comprises a polypropylene thin film capacitor core, a plastic shell and an encapsulating body which is arranged in the space between the polypropylene thin film capacitor core and the plastic shell in a filling way; the encapsulating body is formed by a prefabricated encapsulating material through an encapsulating way; the prefabricated encapsulating material is obtained by the steps of adding 10-80% of organic crystal type engineering plastic powder or granules into conventional encapsulating material by taking the conventional encapsulating material as a cardinal number, and then performing uniform stirring by a stirrer; and temperature clamp is realized by the thermal entropy value of the organic crystal type engineering plastic, so that heat conducted to the core at the moment of reflow soldering can be fully absorbed. By improving the encapsulating material and the capacitor structure, the effects of full heat insulation, heat absorption and uniform heating in the reflow soldering can be realized; therefore, the polypropylene thin film capacitor can be applicable to satisfying of the surface mounting technological requirement, particularly the lead-free surface mounting technological requirement; and the polypropylene thin film capacitor has the advantages of high temperature reflow soldering resistance, low cost, easy operation, high efficiency, high reliability and easy popularization.

The invention relates to a cable for a hand-held power tool, comprising at least one conductor element and at least one insulating element, said insulating element radially surrounding the conductor element. According to the invention, the conductor element is designed as a fiber, a thread, a cord, a belt or other textile forms, which consist essentially entirely of carbon nanotubes or graphene.

The invention provides a battery packaging method and a battery. The battery packaging method comprises the following steps: providing a to-be-packaged battery, wherein the to-be-packaged battery comprises a metal shell and an electrode arranged in the metal shell, and a gap is formed between the inner wall of the metal shell and the electrode; and filling the gap with a first filler and a secondfiller, so that the gap is filled with the first filler and the second filler, the inner wall and the electrode are separated through the first filler and the second filler, one of the first filler and the second filler is ceramic, and the other one of the first filler and the second filler is glass. The method is used for ensuring the safety of the battery and prolonging the service life of the battery.

The invention provides a laser cladding wire feeding device. The laser cladding wire feeding device comprises a motor, a motor installation flange, a driven wheel, a wire pressing wheel, a wire feeding wheel and a driving wheel, wherein the motor installation flange is installed on the motor; a motor shaft of the motor penetrates through the motor installation flange; a protruding shaft column isarranged on the motor installation flange; the driving wheel and the wire feeding wheel are coaxially installed on the motor shaft side by side and are driven by the motor shaft so as to rotate synchronously; the driven wheel and the wire pressing wheel are coaxially installed on the protruding shaft column side by side and rotate synchronously; the driven wheel and the driving wheel are in meshing transmission connection through a gear; and the driving wheel transmits rotation of the motor shaft to the driven wheel. The device provided by the invention is simple and clear in structure and easy to disassemble and assemble, the addition of the load of other mechanisms does not need to be considered during installation, the installation space of the whole mechanism is saved, the risks of metal wire bending and unsmooth wire feeding can be reduced, the wire feeding stability is improved, the wire replacement time is shortened, the production efficiency is improved, and the development ofthe laser cladding technology is promoted.

The invention relates to a falling film evaporator (1) comprising at least one evaporator pipe (3), the inner wall of which is designed to conduct a liquid, which has been introduced into the evaporator pipe (1), in the form of a film, and comprising a device for heating the evaporator pipe. In order to be able to uniformly and reliably control the temperature, the device for heating the evaporator pipe comprises a heating apparatus (5) which is externally mounted on the evaporator pipe (3).

The invention discloses a 48V BSG motor integrated inverter, which comprises a heat dissipation plate, wherein the upper end face of the heat dissipation plate is a bearing face, the lower end face of the heat dissipation plate is an assembling face, a capacitor module mounting groove is formed in the middle of the bearing face, two output screw rod receding holes are separately formed in the front of one end of the capacitor module mounting groove, flow channel openings are formed near the two output screw rod receding holes respectively, a flow channel cavity arranged around the capacitor module mounting groove is formed between the two flow channel openings in a communicated mode, a power module welding area is arranged on the bearing face above the flow channel cavity, a power module is welded to the power module welding area, a bracket is installed above the heat dissipation plate and made of an insulating material, and is provided with a capacitor module, and a PCB module is arranged below the heat dissipation plate. Through the integrated design of the heat dissipation plate, the power module, the bracket, the capacitor module and the PCB module, the structure compactness and shock resistance are both considered while the requirements of a 48V BSG motor inverter are met.

The invention relates to an easy-to-open inspection door of high-temperature airtight equipment. The inspection door comprises a door frame and a movable door, the door frame is installed on the outerside of an outlet of an equipment shell body, and the middle of the door frame is a hollow inspection door pipeline; the movable door is arranged on the outer portion of the inspection door pipeline,the movable door is hinged with the door frame, which is used for opening or closing the inspection door pipeline, and a thermal-protective layer is arranged on the portion, located on the outer sideof the inspection door pipeline, of the door frame; a sealing device is further arranged between the movable door and the door frame, and when the movable door is closed, the sealing device is used for sealing a gap between the movable door and the door frame. Three sealing structures are adopted, the first sealing structure adopts a custom-made hasp capable of resisting high temperature and highstrength, after the movable door is closed, a U-shaped foaming sealing strip is tightly pressed, the locking is firm, and the hasp can be conveniently opened; the second sealing structure adopts a wool felt capable of resisting high temperature, and dust generated in the process of transporting loose materials can be sealed; the third sealing structure adopts temperature-resistance and flexible asbestos, particle materials can be sealed, and the influence of high-temperature air in a cavity body on the previous two sealing measures is avoided.