167results about How to "Avoid discharge phenomenon" patented technology

A mother board of liquid crystal display is prepared as setting liquid crystal layer between the first base plate and the second base plate on region of face plate, setting the first input circuit with the first and the second mother board input ends on each voltage region, setting multiple face plate regions on each voltage region, setting the first and the second wirings on each voltage region and electric-connecting them separately to the first and the second mother board input ends, setting the first and the second face plate ends on each face plate region and electric-connecting them to the first and the second wirings.

The invention provides an electrostatic air cleaner, comprising a series of corona generators and a collector which are mutually separate and parallel. A power supply provides potentials for the corona generators and the collector, thus a high-intensity electric field is formed in the space between the corona generators and the collector. The ength side and height side of each collector which are mutually vertical are used for regulating the flow direction of required fluid, and the width side is used for regulating the flow direction of required air. The collector adopts porous conductive material, the porous structure thereof is beneficial to absorbing massive dust, and cost is low.

The invention aims to provide a high-voltage plasma membrane switch and a manufacture method thereof and overcomes the defects that a high-voltage plasma membrane switch for an existing slapper plate detonator is high in trigger energy and poor in work stability. The technical scheme is as follows: the high-voltage plasma membrane switch comprises an insulation base, switch electrodes and a polyimide film, wherein the switch electrodes are distributed on the insulation base and are covered with the polyimide film; the switch electrodes comprise two trigger electrodes and two main electrodes; two trigger electrodes are connected through multiple layers of composite energetic bridge membranes; the main electrodes are positioned on the side surfaces of the bridge membranes and a switch gap is reserved among the main electrodes and the bridge membranes. The high-voltage switch has the advantages of low trigger energy, short response time, high temperature resistance and high insulation property and the like; the high-voltage switch is small in volume and can be easily integrated with an explode foil, so that the high-voltage switch is further applicable to a new-generation slapper plate detonator; further, in the manufacturing process, the magnetron sputtering and a mask process are adopted to deposite the multiple layers of composite energetic bridge membranes between the two trigger electrodes so as to connect the two trigger electrodes; the process flow is simple and is low in manufacture cost.

The invention relates to double-chamber differential pressure type microwave vacuum freeze drying equipment and belongs to the technical field of food and drug machines; the equipment essentially consists of a chamber body which is provided with a microwave magnetron, and a cold trap which captures the water vapor; a material bearing device is arranged in the chamber body which is divided into a first chamber and a second chamber by a transmission flow-separating plate; the magnetron is positioned in the first chamber, the relative vacuum degree of which is less than the discharge critical value; and the material bearing device is located in the second chamber which is linked with the cold trap through a shielding overflowing sheet. By adopting the microwave vacuum freeze drying equipment, not only can adequate microwave generation power and ideal vacuum degree be maintained, thereby ensuring the required drying rate, but also the generation of discharge phenomena can be avoided as the discharge boundary conditions are inhibited respectively in the first chamber and the second chamber.

The invention relates to equipment for preventing fall of high voltage line, which comprises an electric wire hanged on the top of poles, pulley blocks hanged on the poles, and a tensioning rope connected between the pulley blocks. A breaker is connected in series between the tensioning ropes; traction ropes are connected between the tensioning rope and the breaker; a net pocket is arranged between the poles and under the electric wire; and storage boxes are arranged below the pulley blocks. The invention also discloses a using method. According to the equipment for preventing fall of high voltage line and the using method, the possibility of electric wire breakage can be reduced, and an alarm occurs when the electric wire breaks, thus the electric wire is powered off, and the electric wire is gathered to prevent danger from the electric wire breaks, and falls on the ground.

The invention relates to a rectangular plane magnetically controlled sputtering cathode, which is provided with a target, a cathode component and a shielding case which is arranged on the periphery of the cathode component, wherein a magnetic circuit mechanism is fixedly arranged on a target seat and is located inside a cathode body, the target is fixedly arranged on the lower portion of the target seat, and the cathode is characterized in that a magnetic conductive plate is arranged on the periphery of the cathode component and located on the inner side and the outer side of the shielding case in a whole circumference mode. The cathode of the invention can effectively increase the stability of a sputtering process and can increase the availability ratio of the target.

The invention provides an anti-corona sphere for a power transmission line in a high altitude region, and belongs to the field of overhead mounting of electric wires or cables. The anti-corona sphere provided by the invention is suitable to be arranged on a suspension string yoke plate of the 330kV power transmission line in the high altitude region. By the anti-corona sphere, the end parts of the yoke plate, and bolts and pints at the top of a suspension clamp connected with the yoke plate are covered, an overall shielding function in the combination part of the yoke plate and the clamp is realized, the radius of curvature of a connecting part between the yoke plate and the suspension clamp is indirectly increased, the suspension clamp is endowed with a regular circular surface in shape, the field intensity distribution of the surface is effectively improved and the maximum field intensity of the surface is reduced, thereby suppressing the corona discharging of a tip and reducing the corona noises and corona loss of the power transmission line. The anti-corona sphere comprises a sphere shell, hanging plates, a mounting hole, hanging holes and a baffle plate. The anti-corona sphere provided by the invention is cast and molded from an aluminum alloy material, has a small volume, light weight and low manufacture cost, and is convenient to arrange.

The present invention provides a polymeric composition, a manufacturing method of a color filter with the polymeric composition, the color filter manufactured by the manufacturing method, and a liquid crystal display device with the color filter, wherein the polymeric composition at least comprises the following components: (a) colorant, (b) alkali-soluble resin, (c) polymeric compound with more than three polymeric groups, (d) polymerization initiator, (e) fluorine-containing surfactant, and (f) solvent. When the evaporation velocity of n-butyl acetate is set to 1, the evaporation velocity of the solvent is less than 0.34.

The present invention provides an electric valve. A stator (50) formed by a die is embedded on housing (20), a rotation stopping part is installed at the lower surface of the stator to prevent the relative rotation of the stator and the valve main body, and the stator has a yoke (54). The yoke has a circle ring panel portion (54A) and the ruled number of unguiform pole teeth (54C) separated in a ruled angle at the inner peripheral side of the circle ring panel portion for punching and folding. A communication spring (40) capable of elastic deformation up and down is installed between the exposure part (S) of the lower surface which is not coated by molding resin of each pole tooth and the rotation stopping part (30). The communication spring takes elastic linear materials with conductivity as raw materials and is bent to be a ring with a gap. Through adoption of the invention, the existing die of an stator or molding formation is not needed to be reformed and is able to restrain the discharge between the unexpected yoke and the housing, so that the bad influence on peripheral loops may be reduced even if the noise of high voltage is applied to a stator coil, and the manufacture cost and the cost of production may be reduced.

In a commutator (5) of a rotating electrical machine (1), each commutator segment (6) has a low resistance layer (61) made of a low resistance material and a high resistance layer (62) made of a high resistance material , wherein the resistivity of the high resistance material is higher than the resistivity of the low resistance material. The low resistance material contains a carbon material and a binder. The high resistance material contains a carbon material, a binder, and an inorganic substance such as boron nitride. The mixing ratio of the inorganic substance in the high resistance material is greater than 20wt%. Alternatively, the brushes (4) in contact with the commutator segments (6) may have a high resistance layer (42) and a low resistance layer (41).

The invention provides a diode chip and a processing technology thereof, relating to a semiconductor discrete device and a processing technology thereof. The invention can overcome discharge in detection and creepage phenomenon in use. A circle of glassy protective layer is arranged at the edge of a chip, the horizontal projection of the chip is of a closed shape with no corner; the side edge is provided with a circle of semi-insulating polycrystalline silicon (SIPOS) film; and the glassy protective layer covers 70-95% of the upper part of the SIPOS film. The processing technology provided bythe invention comprises the following steps: 1) graving a wafer split pattern; 2) passivating the SIPOS film; 3) processing the glassy protective layer; 4) photoengraving three times; 5) cleaning; 6)removing photoresist; 7) splitting to obtain the chip. By the adoption of the invention, the point discharge of a square chip can be effectively prevented and the withstand voltage capacity of a diode can be improved. Before passivation with glass, passivation with an SIPOS film is carried out to absorb movable ions on the surface of the chip, thus the stability can be enhanced and the withstand voltage capacity can be improved; meanwhile, the bottoms of grooves still remains the SIPOS film and an SIO2 film, thus preventing Au layer adhesion in Au evaporation.

The invention relates to a smelting distributing method utilizing nickel beads as a main raw material for a vacuum induction furnace. The smelting distributing method comprises the following steps: (I) cleaning a smelting crucible of the vacuum induction furnace; (II) starting loading after the crucible is inclined by 10-15 degrees; (III) putting partial nickel beads into the bottom of the crucible until the bottom of the crucible is full; (IV) flatly paving 50%+/-10% of Cr into the crucible; (V) adding the mixture of Ni and residual Cr into the crucible, wherein the area of Cr is 10%-25% of the flat paving area; rotating until the angle of the crucible is vertical to the horizontal direction; adding Ni beads, wherein the amount of the added Ni beads is more than 60% of the total added amount of Ni beads in the smelting process; and adding the residual Ni beads as a feed supplement in batches in the last stage of smelting; (VI)during distributing, tightly distributing materials at the bottom of crucible, and sparsely distributing materials at the middle upper part of the crucible; and (VII) adding easily-burnt elements including Al, Ti, B, Mg and Zr in the last stage of refining and an alloying stage. According to the smelting distributing method, an electric discharge phenomenon which appears on the surfaces of the Ni beads in the presence of induced current during smelting is avoided, and the phenomenon that the adjacent nickel beads are adhered after discharging is avoided.

The invention relates to a damper for 1000kV extra-high voltage alternative-current transmission lines in power sector, which comprises a cable clamp, two damper bodies, a steel strand and at least one preformed armor rod. The cable clamp and the steel strand are fixedly connected; the two damper bodies are respectively fixed on the two ends of the steel strand; the preformed armor rod fixes the cable clamp on a power transmission line; the cable clamp is in a sea horse shaped structure; the damper bodies are in a kirsite cucurbit shaped structure; and the connection position of the steel strand and the damper bodies is arranged on the sides of the fixing end damper heads of the damper bodies. Since the cable clamp is provided with a separation nail, the damper can be effectively connected with a power transmission cable; and hangers of the cable clamp, as well as corners of the cable clamp, which are used for fixing conduits, are designed in to an arc shape, thereby avoiding marginaldischarge; since the damper bodies made of kirsite are cast into a cucurbit shape, the specific gravity of the damper bodies is improved and the volume of the damper bodies is reduced; and since the connection between the windward side of the damper head at a cantilever end and the damper heads is designed into an arc shape and the size of the arc is controlled in a certain range, the marginal discharge can be avoided.

The invention discloses a spraying robot capable of achieving automatic cable feeding. The spraying robot capable of achieving automatic cable feeding comprises a rack, two sets of walking wheels, an equipotential contact device and an automatic nozzle mechanism; the two sets of walking wheels are rotationally connected to the middle of the rack; the equipotential contact device is fixed on the rack at the portion between the two sets of walking wheels; the automatic nozzle mechanism is arranged at the tail of the rack; the automatic nozzle mechanism comprises a fixed nozzle set and a floating nozzle set;, the fixed nozzle set is located right over the floating nozzle set; the fixed nozzle set and the floating nozzle set are driven by a lead screw driving mechanism to move mutually; and the two sets of walking wheels and the fixed nozzle set make contact with the upper surface of a cable. The spraying robot has the advantages that the automatic operation of the spraying robot is realized in a real sense, the automatic nozzle mechanism is automatically closed after the cable is hung, and the robot automatically walks and sprays the cable.

The invention relates to a cooling structure for a direct-current superconducting current limiter and an assembling method thereof. The cooling structure comprises a double-layer vacuumizing structureformed by a tank and an inlet-outlet line part connected to the upper portion of the tank, a magnetic body and cooling liquid are put into an inner layer of the double-layer vacuumizing structure, aninterlayer is a vacuum layer, a manhole is formed in the end of one side of the tank, and a lead angle is used in the connecting part between the tank and the inlet-outlet line part; a shielding shell and paperboards are also arranged on the inner layer of the double-layer vacuumizing structure, wherein the shielding shell is of a structure matched with an inner lay of the tank, a plurality of exhausting holes are formed in the upper portion of the shielding shell, and a plurality of liquid feeding holes are formed in the lower portion of the shielding shell; the paperboards are arranged on the outer side of the shielding shell and are of structures matched with the shielding shell, and the multiple layers of paperboards are sleeved. According to the cooling structure for the direct-current superconducting current limiter and the assembling method thereof, the bubble rising speed is increased, the liquid flow speed is increased, a superconducting magnet can be radiated, and the superconducting state is rapidly recovered; the outlet line part is of an extending rectangular structure, the distance between the shielding shell and the ground in a bubble forming area is increased during rapid cooling, it is avoided that the bubbles are discharged, and the problem of high-voltage alternating-current and direct-current insulation tolerance during rapid cooling is solved.

The invention relates to a bus-bar supporting insulator and a switch cabinet. The bus-bar supporting insulator comprises an insulating column and an insert; one end of the insulating column is used fixedly assembled on a switch cabinet body; two insulating protective wings are integrally formed at the other end of the insulating column; the two insulating protective wings and the insulating columndefine an installing groove for installing a bus-bar lap joint structure; the two insulating protective wings are used for realizing insulating protection for the bus-bar lap joint structure; the insert is embedded in the groove bottom of the installing groove; the insert is a threaded sleeve with internal threads and is matched with a threaded fastener to fixedly assemble the bus-bar lap joint structure in the installing groove, or the insert is a screw rod with external threads and is matched with a nut to fixedly assemble the bus-bar lap joint structure in the installing groove; the two insulating protective wings can realize insulation protection role for the bus-bar lap joint structure in the installation groove, an insulation distance between two phases is guaranteed; and the insulation column support the bus-bar lap joint structure, meanwhile, the threaded fastener or the nut is not exposed, and the discharge phenomenon of the threaded fastener or the nut is avoided.

The invention relates to an integrated VFTO measuring bus and a bus cylinder thereof. The VFTO measuring bus comprises a bus cylinder, a conducting rod arranged in the bus cylinder and a supporting insulator used for supporting the conducting rod. A VFTO measuring device is integrated on the bus cylinder, the bus cylinder is used for being in butt joint with a GIS/GIL bus, a supporting insulator is arranged in the bus cylinder, and the supporting insulator is used for supporting the conducting rod; and the VFTO measuring device is used for measuring the VFTO between the bus cylinder and the conducting rod. The integrated VFTO bus adopts an integrated structure and can be directly butted with a corresponding GIS/GIL bus during installation and can be directly connected with corresponding measurement equipment for measurement during measurement and is easy to operate and convenient to measure.

The invention provides an arc preventive switch, which comprises a shell, an anode connector, a cathode connector, a switch connector, a delay circuit, a first end and a second end, wherein the anode connector and the cathode connector are arranged on one end face of the shell, the switch connector is connected with one of the anode connector and the cathode connector when the switch connector is pressed, the length of the anode connector and the cathode connector projecting over the end face is larger than that of the switch connector projecting over the end face, the delay circuit is connected between the anode connector and the cathode connector, the first end is connected with the switch connector, the second end is connected with the other of the anode connector and the cathode connector, and the first end and the second end are connected with a direct-current power source. The arc preventive switch in an embodiment is simple in structure, low in cost and easy in realization.

An extendable-length encapsulating housing arrangement has a first and a second encapsulating housing (1a, 1b, 2a, 2b). The first encapsulating housing (1a, 1b) has a sliding face (5a, 5b), against which the second encapsulating housing (2a, 2b) bears.

The invention discloses a fuse with a thermal shrinkage insulation layer sleeving a fuse tube. A locking device is arranged at a top of an insulation porcelain body, a fuse wire is fixed with a binding post of a lower fuse tube, passes through an upper fuse tube and is fixed at an upper end of the insulation porcelain body by the locking device, the fuse wire is partially provided with a melting part having relatively small diameter at the middle of the fuse tube, fireproof caps are arranged at two ends of the melting part, thermal shrinkage insulation layers sleeves the fireproof caps and the fuse between the upper fuse tube and the lower fuse tube, a spring is arranged in an axial inner cavity between the upper fuse tube and the lower fuse tube, an impact head is fixedly arranged at the bottom of the lower fuse tube, and a plug is arranged at the bottom of the axial inner cavity of the insulation porcelain body. By the fuse with the thermal shrinkage insulation layer sleeving the fuse tube, the fuse after being melted can be enabled to be in an insulation state, and a discharge phenomenon caused by poor melting position is prevented; and moreover, the fuse tubes are used for directly compressing the spring, the sealing plug at the bottom of the insulation porcelain body is damaged by the impact head, and thus, the lower fuse tube can be enabled to reliably popped out.

The present invention discloses a lithium battery equalization discharge algorithm. The lithium battery equalization discharge algorithm comprises a lithium battery set including three lithium battery monomers, an MCU control module, a voltage stabilizing circuit, three groups of RC parallel circuits, a conduction control circuit, three groups of driving control circuits and a PWM regulation circuit. The algorithm concretely comprises the followings steps: the step A: a button switch in the conduction control circuit is started, and the MCU control module provides a high level from the conduction control circuit; the step B: when a load motor starts work, the load motor is subjected to soft starting; the step C: the limiting values of the falling speed of different lithium battery monomers are obtained according to M=L+K; the step D: the MCU control module emits PWM duty ratio regulation signals to ensure that M and L values consistently reach balance discharge; and the step E: the MCU control module detects whether the button switch presses down or not or the battery has been in over-charging state or not, and the discharge control is completed through disconnection. The operation is rapid, the discharge efficiency and the discharge stability are improved, the applicability is high and the practicality is good.

The invention discloses an efficient double-area electrostatic oil mist purifier. The purifier comprises charging area barbs, charging area grounding polar plates, dust collection area high-voltage polar plates, dust collection area grounding polar plates, fixing frames, shells, high-voltage fixing rods, grounding fixing rods, pull rings, spring electrodes, insulating terminals and insulating tubes. The two shells and the four outer frames form a cuboid area, the front portion of the area is a charging area and mainly comprises the charging area barbs and the grounding polar plates, and the rear portion of the area is a dust collection area and mainly comprises the dust collection area high-voltage polar plates and the grounding polar plates. The two areas are arranged separately, do not contact with each other and do not conduct electricity. Through the use of the insulating tubes and the polar plates with arc-shaped edges, the oil mist collecting area of the module and the working voltage of the dust collection area are greatly increased, so that the oil mist collecting efficiency of the module is improved.