352results about How to "Achieve insulation" patented technology

The invention discloses a method for processing the surface of an attachment-resisting plate. The method comprises the following steps: providing an attachment-resisting plate with a smooth surface; patterning the attachment-resisting surface of the attachment-resisting plate with a smooth surface to form an uneven attachment-resisting surface; blasting the attachment-resisting surface; and meltallizing the attachment-resisting surface after blasting. The smooth surface of the attachment-resisting plate is subject to the patterning, the blasting and the meltallizing so that the surface of theattachment-resisting plate has corrosion resistance, rust prevention, abrasion resistance, lubrication, roughness, adsorption, insulation, heat insulation and other properties; the attachment-resisting surface of the attachment-resisting plate achieves even roughness; and the attachment-resisting plate can easily absorb target atoms or large-sized particles so that the target atoms or large-sizedparticles do not fall on a substrate, thereby increasing the sediment capability of the attachment-resisting plate, improving the cleanness of the inner wall of a sputtering machine, improving the filming rate of sputtering and prolonging the service life of the attachment-resisting plate.

The invention provides a trolley bus system and relates to the technical field of public transportation. The trolley bus system comprises a support, a track, a bus body and a power device. The support is erected over the road and extends in the length direction of the road. The track is erected on the upper surface of the support and extends in the extending direction of the support. The bus body is connected with the track and moves along the track relative to the support. The power device is arranged on the support and electrically connected with the bus body. A partition is arranged between the bus body and the road for vehicles on the road to run. According to the trolley bus system, the support is erected and paved with the track so that vehicles can run on the road surface and the space over the road respectively, and the transportation space of the city is developed. A power circuit is integrally fixed, and the disorder condition of the power circuit of a trolley bus is eradicated.

The invention discloses a distribution network construction and management system in villages, relating to an intelligent distribution network construction and management system in villages. The intelligent distribution network construction and management system in villages comprises a system master station, a communication network and a far-end field device, wherein the system master station comprises a communication unit, a main service system, a database platform, a remote meter reading unit, a monitoring unit, a management center and a customer service center; and the far-end field device comprises a distribution monitoring terminal, an intelligent residual current operated protective device, a reactive power compensating controller and an intelligent electric energy meter. The distribution network construction and management system provided by the invention can intelligently monitor and protect lines and equipment safety, automatically isolates and quickly restores faults, provides communication guarantee for power supply area all standing, precisely positions and navigates line equipment perambulation and service, and integrates various functions, thereby initiating a new mode for intelligent distribution network construction and management in villages and realizing the function of low-voltage remote meter reading and management of insulated intelligent village power grids with small volume, densely-covered points and short radius.

The invention relates to the electric receiving device of the electric vehicle. The current receiver for current in and return comprises the electric boots and the spring device, with two parallel parallelogram four linking bar structure and a separation structure, each four link structure made by the top and down lining bars hinged to the corresponding side plate and isolation plate, the separation structure composed of the air cylinder, air cylinder linking pole hinged to the cylinder piston end, lower linking brake bar with two rocker arms with the lower linking brake bar hinged to the lower linking bar pin shaft fixed to two side walls, one of the rocker arm hinged to the air cylinder linking bar, the other being the stop leaning against the low linking bar, each isolation plate bottom installed with an electric receiving boot, each four link bar structure having its top link bar connected to the said spring device. It solves the technical issues of current receiver contact or separation with the electric supply track smoothly, and the grounding issue of it.

a piezoactuator having at least one outer surface comprises a multilayer structure of at least one piezoelectric ceramic layer and at least two electrodes, with the at least one outer surface of the piezoactuator being coated with a passivation material.

The invention relates to Internet of things-based intelligent high-voltage switch cabinet. The Internet of things-based intelligent high-voltage switch cabinet comprises a high-voltage switch cabinet, and is characterized by comprising a sensor module, a radio frequency identification (RFID) module, a control mechanism, an on-site monitoring unit and an intelligent processing unit. In the Internet of things-based intelligent high-voltage switch cabinet, the conventional high-voltage switch cabinet is designed, so that the high-voltage switch cabinet is combined with intelligent unit; therefore, the intelligence of the high-voltage switch cabinet is realized in the true sense. The Internet of things-based intelligent high-voltage switch cabinet not only has the functions of the conventional high-voltage switch cabinet, but also has the functions of self-monitoring, self-diagnosis, self-action and the like.

The invention relates to the technical field of electromagnetic shielding materials, and in particular relates to an insulating polymer based electromagnetic shielding material and a preparation method thereof. The shielding material provided by the invention is of a multi-layer structure with five to seven layers, wherein the middle layer is a reflecting type shielding layer; a secondary outer layer consists of one or two wave-absorbing type shielding layers; the outermost layers are insulating layers. The wave-absorbing type shielding layers are in special functional distribution by controlling the thickness of each functional layer and filling different conductive filling materials into different layers with the combination of the curtain coating layering of the wave-absorbing type shielding layers, and the overall electromagnetic shielding property of the material can be conveniently adjusted. Due to design and construction of the insulating layers on two sides of the material, the defect that the insulation property is affected as the surface of the material is conductive is avoided. The insulating polymer based electromagnetic shielding material provided by the invention can be applied to the fields such as electronic appliances, microelectronic devices and chemical products which require that the material is insulating and has the electromagnetic shielding function.

This invention discloses a method for preparing symmetric gradient metal/ceramic composite. The method comprises: (1) sintering aluminum nitride ceramic at a low temperature by plasma-discharging sintering; (2) adding an appropriate amount of Cu powder into aluminum nitride coarse powder to improve its surface property; (3) preparing aluminum nitride symmetric porous gradient material, and infiltrating Cu into it at a low temperature. The method solves the problem of poor bonding between Cu and aluminum nitride ceramic, and can realize preparation of gradient composite with high temperature difference and poor compatibility. The composite has good insulation and thermal conductivity in the thickness direction and good planar electric conductivity, thus can be used as electric heater.

A coil sub-assy includes a coil plate which has an insulating film attached to at least one side thereof and an “I”-shaped portion to be inserted into a slot of a stator core. The plurality of coil plates forming coils of an identical phase are laminated in a thickness direction of the “I”-shaped portion. The coil plates opposite to each other are formed such that a shortest distance between end faces of the “I”-shaped portions in a width direction is longer than a shortest distance between end faces of the “I”-shaped portions in the thickness direction.

In a method and system for data and signal transfer between different sub-units of a medically-related system, in particular a CT system, digitized signals and digital data are transmitted together on a transmission line by means of serial multiplexing. The digitized signals and the digital data are transferred combined into individual packets having a length that is so small that the adherence to a predetermined updating rate of the signals is achieved. The expenditure for the wiring as well as for future expansions in medically-related systems can be significantly reduced.

The invention discloses a high temperature and high pressure corrosion electrochemical measuring device and a measuring method. The measuring device comprises a high pressure kettle heating jacket, a high pressure kettle body sleeved by the high pressure kettle heating jacket, and a high pressure kettle end cover fixed on the high pressure kettle body through a high pressure kettle fastening bolt, wherein a gas inlet, an exhaust port, a pressure gauge socket and a temperature measuring blind pipe socket are formed on the high pressure kettle end cover, and screw holes into which a reference electrode, a working electrode and an auxiliary electrode can be inserted are further formed on the high pressure kettle end cover; a gas inlet pipe at the gas inlet is provided with a gas inlet stop valve for opening/closing gas inletting; an exhaust pipe at the exhaust port is provided with a gas outlet stop valve for opening/closing the gassing; the invention further discloses the measuring method of the device; the measuring device is reliable and easy to realize, the problems that the high temperature and high pressure corrosion electrochemical measuring electrode is expensive in price, difficult in manufacturing and difficult in high temperature sealing are solved; the device disclosed by the invention is simple in manufacturing, good in sealing, and capable of meeting the corrosion electrochemical measurement in high temperature and high pressure environment.

Process for the formation of a spatial chip arrangement having several chips (32, 36, 37, 38, 39) arranged in several planes and electrically connected to one another, in which the chips are connected via their peripheral connection surfaces (33) to assigned conducting paths (23) of a conducting-path structure (24, 25) arranged on at least one carrier substrate (21, 22) by the chips being arranged transverse to the longitudinal extent of the carrier substrate.

The invention relates to the technical field of solid dead ring main units and discloses a solid dead ring main unit. The ring main unit comprises a cabinet body, cabinet doors, a door lock mechanism, a two-station mechanism, a three-station on-off operation mechanism and an embedded pole, wherein the embedded pole comprises an insulator, a two-station vacuum arc-extinguishing chamber, a three-station vacuum arc-extinguishing chamber, a first insulation draw bar and a second insulation draw bar. The ring main unit has the advantage of achieving full solid insulation of the embedded pole, and therefore full solid insulation of the solid dead ring main unit can be achieved and the solid insulation ring main unit can promote high-pressure switch equipment to develop towards miniaturization.

The invention relates to an organic silicon pouring sealant, a preparation method and application thereof. The organic silicon pouring sealant comprises a component A and a component B. The preparation method comprises the steps of: respectively preparing the component A and the component B according to the requirement of a formula, cooling to room temperature, during the application, and statically mixing the component A and the component B according to the weight ratio of 1: (1-1.2) for 20-30min to ensure that the component A is uniformly mixed with the component B to obtain the organic silicon pouring sealant. Compared with the prior art, the organic silicon pouring sealant has excellent applicability to various materials without metal corrosion, can achieve insulation, heat conductionand inflaming retarding requirements according to the requirements without damaging electronic components, has better operating performance, is easy to blend, and is suitable for encapsulation production application of a manual or general sealant injection device.

The invention discloses a back contact solar cell, including an n type silicon substrate, a P + doped region, an N + doped region, a passivation and anti-reflection layer, a positive electrode fine grid and a negative electrode fine grid as well as a positive electrode wire and a negative electrode wire. The positive electrode wire is arranged in the positive electrode fine grid the negative electrode fine grid. The contact part between the positive electrode wire and positive electrode fine grid is provided with a conductive material. The positive electrode wire at the contact part between the positive electrode wire and the negative electrode fine grid is wrapped with an insulating material. The negative electrode wire is arranged in the positive electrode fine grid and negative electrode fine grid. The contact part between the negative electrode wire and negative electrode fine grid is provided with a conductive material. The negative electrode wire at the contact part between the negative electrode wire and the positive electrode fine grid is wrapped with an insulating material. The back contact solar cell can reduce the influence of the fine grid on resistance, reduce the use amount of silver paste, increase the filling factor, and reduce the shielding effect of the back metal on the back of the incident light.

The invention discloses a bus duct with a fireproof alarming function. The bus duct comprises a first bus duct, a second bus duct is connectedly inserted into the first bus duct, first flame-retardantpartition plates are fixedly connected in the first bus duct, lateral sides of the first flame-retardant partition plates are provided with first through holes, first mica wrapping straps are arranged in first heat shrink tubes which are connectedly inserted into the first through holes, first conductors are arranged in the first mica wrapping straps, and two ends of each first conductor are fixedly connected with first connectors respectively. Second flame-retardant partition plates are fixedly connected in the second bus duct, and lateral sides of the second flame-retardant partition platesare provided with second through holes. By the first flame-retardant partition plates and the second flame-retardant partition plates, the four first conductors and four second conductors are separated, fire spreading to other conductors due to ignition of one conductor in short circuit is avoided, and accordingly fire control is realized, and fire spreading is further prevented.

The invention belongs to the technical field of battery manufacturing, and particularly relates to a battery top cover assembly structure. The battery top cover assembly structure comprises a first pole, a second pole and a top cover sheet, the first pole is provided with a first welding ring, the second pole is provided with a second welding ring, the top portion of the first pole is encapsulatedwith a first plastic piece matched with the first welding ring, the top portion of the second pole is encapsulated with a second plastic piece matched with the second welding ring, the first pole andthe second pole pass through the seal ring and are installed at the top cover sheet. By arranging an encapsulating structure of the top cover aluminum ring and the poles, the problem of generation ofa metal wire is solved, the safety of the battery is improved, the overcurrent capacity of the poles is ensured, and the production process is simplified, so that the production cost is reduced. Besides, the invention further discloses a battery top cover assembly method.

The invention provides a ground wire DC deicing method based on a discharge gap insulator. The ground wire DC deicing method based on the discharge gap insulator comprises the steps of (1) searching an ice-covered overhead ground wire; (2) connecting a piece of insulator between the overhead ground wire and an iron tower in series; (3) connecting a fitting or an arrester between the insulator and the iron tower in parallel; (4) shortcircuiting the tail end of a double-circuit insulation overhead ground wire of a discharge gap; (5) configuring a DC deicing device; (6) disconnecting the grounding of a head end and a tail end of the insulation overhead ground wire; (7) starting the DC deicing device; (8) closing the DC deicing device during ice shedding; (9) disconnecting and grounding the double-circuit insulation overhead ground wire; and (10) disconnecting and grounding the shortcircuited tail end of the double-circuit insulation overhead ground wire. The ground wire DC deicing method based on the discharge gap insulator has the advantages of effectively avoiding line breaking and tower collapse, improving the efficiency and the safety of ground wire deicing and greatly reducing the system capacity required by deicing.

The invention discloses a mineral insulated fireproof cable. The mineral insulated fireproof cable comprises a cable core, a magnesium oxide filling layer and a seamless copper pipe which are sequentially arranged from inside to outside; the cable core is a single-strand copper conductor, and the cable core and the copper pipe are coaxially arranged. The magnesium oxide filling layer is densely and seamlessly filled between the cable core and the copper pipe, the magnesium oxide filling layer comprises magnesium oxide powder and magnesium oxide pipe columns which are sequentially arranged at intervals along the axis direction of the cable core, and the magnesium oxide pipe columns are sleeved on the cable core. The mineral insulation fireproof cable comprises a cable core, a magnesium oxide filling layer and a seamless copper pipe which are sequentially arranged from inside to outside. The fireproof insulation characteristic is good. The magnesium oxide filling layer is densely and seamlessly filled between the cable core and the copper pipe to realize insulation, fire resistance and high temperature resistance of the cable, and the magnesium oxide filling layer belongs to an inorganic filling material, so that the problem of insulation aging does not exist, and the service life of the cable can be more than three times that of a common cable.

The invention relates to a robot track and a preparation method thereof, in particular to a casting polyurethane robot track with a framework made of aramid fiber and a preparation method thereof. High-strength aramid fiber or polyamide fiber is introduced as the framework in a track strong layer. A polyurethane elastomer is used as an overall casting layer in the robot track. When the casting polyurethane robot track with the framework made of the aramid fiber is prepared, a whole rope-shaped annular belt winding mode is adopted. The track polyurethane elastomer is made of polymer polyalcohol, polyisocyanate, a catalyst, a chain extender and a reinforcing agent. The aramid fiber is adopted as the material of the framework of the robot track, and the casting polyurethane elastomer is adopted as the carcass material of the robot track, so that the defects in all aspects of an existing metal track and a rubber track are overcome, the quality stability of the robot track is improved, and the service life of the robot track is prolonged. The preparation technology is simple, and production is easy.

There is disclosed an electrically operated valve using a motor disposed outside a hand valve body. The motor has a control means controlling its work. Using a driving mechanism connects and drives the valve stem for opening and closing the valve. A spacing means in the valve and a overtravel-limit switch is used for limiting rotation range of the valve stem. When the valve uses a ball valve, the said motor can use DC motor with a speed reducer is connected with the valve stem via a gear pair, a friction wheel pair or a belt driving device. A driven gear or a driven friction wheel on the valve stem uses a fan wheel.